diff --git a/dist/ui-scroll-grid.js b/dist/ui-scroll-grid.js index a78a90e9..bfd0ea4b 100644 --- a/dist/ui-scroll-grid.js +++ b/dist/ui-scroll-grid.js @@ -1,7 +1,7 @@ /*! * angular-ui-scroll (uncompressed) * https://github.com/angular-ui/ui-scroll - * Version: 1.7.0-rc.5 -- 2017-11-10T00:53:20.545Z + * Version: 1.7.0-rc.5 -- 2017-11-10T01:00:29.941Z * License: MIT */ /******/ (function(modules) { // webpackBootstrap @@ -141,7 +141,7 @@ angular.module('ui.scroll.grid', []).directive('uiScrollTh', ['$log', '$timeout' // controller api methods this.applyLayout = function (layout) { - this.css = angular.extend({}, layout.css); + this.css = Object.assign({}, layout.css); this.mapTo = layout.mapTo; applyCss(this.header, this.css); }; @@ -269,7 +269,7 @@ angular.module('ui.scroll.grid', []).directive('uiScrollTh', ['$log', '$timeout' columns.forEach(function (column, index) { return result.push({ index: index, - css: angular.extend({}, column.css), + css: Object.assign({}, column.css), mapTo: column.mapTo }); }); diff --git a/dist/ui-scroll-grid.js.map b/dist/ui-scroll-grid.js.map index 2476bec1..9c506de8 100644 --- a/dist/ui-scroll-grid.js.map +++ b/dist/ui-scroll-grid.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///webpack/bootstrap 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y)) {\r\n return this;\r\n }\r\n let result = null;\r\n controller.forEachRow((row) =>\r\n result = insidePoint(row[this.id], x, y) ? this : result\r\n );\r\n return result;\r\n };\r\n\r\n this.applyCss = function(target) {\r\n applyCss(target, this.css);\r\n };\r\n\r\n // function definitions\r\n\r\n function insidePoint(element, x, y) {\r\n let offset = element.offset();\r\n if (x < offset.left || offset.left + element.outerWidth(true) < x)\r\n return false;\r\n if (y < offset.top || offset.top + element.outerHeight(true) < y)\r\n return false;\r\n return true;\r\n }\r\n\r\n function moveBefore(element, target) {\r\n element.detach();\r\n target.before(element);\r\n }\r\n\r\n function moveLast(element) {\r\n let parent = element.parent();\r\n element.detach();\r\n parent.append(element);\r\n }\r\n\r\n function applyCss(target, css) {\r\n target.removeAttr('style');\r\n for (let attr in css) {\r\n if (css.hasOwnProperty(attr)) {\r\n target.css(attr, css[attr]);\r\n }\r\n }\r\n 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exports\n \treturn __webpack_require__(__webpack_require__.s = 6);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap c375cae6a6936ee30930","angular.module('ui.scroll.grid', [])\r\n .directive('uiScrollTh', ['$log', '$timeout', function(console, $timeout) {\r\n\r\n function GridAdapter(controller) {\r\n\r\n this.getLayout = () => controller.getLayout();\r\n\r\n this.applyLayout = (layout) => controller.applyLayout(layout);\r\n\r\n this.columnFromPoint = (x, y) => controller.columnFromPoint(x, y);\r\n\r\n Object.defineProperty(this, 'columns', { get: () => controller.getColumns() });\r\n }\r\n\r\n function ColumnAdapter(controller, column) {\r\n\r\n this.css = function( /* attr, value */ ) {\r\n var attr = arguments[0];\r\n var value = arguments[1];\r\n if (arguments.length == 1) {\r\n return column.header.css(attr);\r\n }\r\n if (arguments.length == 2) {\r\n column.header.css(attr, value);\r\n controller.forEachRow((row) => row[column.id].css(attr, value));\r\n column.css[attr] = value;\r\n }\r\n };\r\n\r\n this.moveBefore = (index) => controller.moveBefore(column, index);\r\n\r\n this.exchangeWith = (index) => controller.exchangeWith(column, index);\r\n\r\n Object.defineProperty(this, 'columnId', { get: () => column.id });\r\n }\r\n\r\n function ColumnController(controller, columns, header) {\r\n\r\n this.header = header;\r\n this.css = {};\r\n this.mapTo = columns.length;\r\n this.id = columns.length;\r\n\r\n // controller api methods\r\n\r\n this.applyLayout = function(layout) {\r\n this.css = Object.assign({}, layout.css);\r\n this.mapTo = layout.mapTo;\r\n applyCss(this.header, this.css);\r\n };\r\n\r\n this.moveBefore = function(target) {\r\n if (target) {\r\n moveBefore(header, target.header);\r\n controller.forEachRow((row) => moveBefore(row[this.id], row[target.id]));\r\n } else {\r\n moveLast(header);\r\n controller.forEachRow((row) => moveLast(row[this.id]));\r\n }\r\n };\r\n\r\n this.columnFromPoint = function(x, y) {\r\n if (insidePoint(header, x, y)) {\r\n return this;\r\n }\r\n let result = null;\r\n controller.forEachRow((row) =>\r\n result = insidePoint(row[this.id], x, y) ? this : result\r\n );\r\n return result;\r\n };\r\n\r\n this.applyCss = function(target) {\r\n applyCss(target, this.css);\r\n };\r\n\r\n // function definitions\r\n\r\n function insidePoint(element, x, y) {\r\n let offset = element.offset();\r\n if (x < offset.left || offset.left + element.outerWidth(true) < x)\r\n return false;\r\n if (y < offset.top || offset.top + element.outerHeight(true) < y)\r\n return false;\r\n return true;\r\n }\r\n\r\n function moveBefore(element, target) {\r\n element.detach();\r\n target.before(element);\r\n }\r\n\r\n function moveLast(element) {\r\n let parent = element.parent();\r\n element.detach();\r\n parent.append(element);\r\n }\r\n\r\n function applyCss(target, css) {\r\n target.removeAttr('style');\r\n for (let attr in css) {\r\n if (css.hasOwnProperty(attr)) {\r\n target.css(attr, css[attr]);\r\n }\r\n }\r\n }\r\n\r\n }\r\n\r\n function GridController(scrollViewport) {\r\n let columns = [];\r\n let rowMap = new Map();\r\n\r\n $timeout(() => {\r\n scrollViewport.adapter.publicContext.gridAdapter = new GridAdapter(this);\r\n scrollViewport.adapter.transform = (scope, item) => transform(rowMap.get(scope), item);\r\n });\r\n\r\n this.registerColumn = function(header) {\r\n columns.push(new ColumnController(this, columns, header));\r\n };\r\n\r\n this.registerCell = function(scope, cell) {\r\n let row = rowMap.get(scope);\r\n if (!row) {\r\n row = [];\r\n rowMap.set(scope, row);\r\n }\r\n if (row.length >= columns.length) {\r\n return false;\r\n }\r\n row.push(cell);\r\n return true;\r\n };\r\n\r\n this.unregisterCell = function(scope, cell) {\r\n let row = rowMap.get(scope);\r\n let i = row.indexOf(cell);\r\n row.splice(i, 1);\r\n if (!row.length) {\r\n rowMap.delete(scope);\r\n }\r\n };\r\n\r\n this.forEachRow = function(callback) {\r\n rowMap.forEach(callback);\r\n };\r\n\r\n this.getColumns = function() {\r\n let result = [];\r\n columns.slice()\r\n .sort((a, b) => a.mapTo - b.mapTo)\r\n .forEach((column) => result.push(new ColumnAdapter(this, column)));\r\n return result;\r\n };\r\n\r\n this.getLayout = function() {\r\n let result = [];\r\n columns.forEach((column, index) => result.push({\r\n index: index,\r\n css: Object.assign({}, column.css),\r\n mapTo: column.mapTo\r\n }));\r\n return result;\r\n };\r\n\r\n this.applyLayout = function(layouts) {\r\n if (!layouts || layouts.length != columns.length) {\r\n throw new Error('Failed to apply layout - number of layouts should match number of columns');\r\n }\r\n layouts.forEach((layout, index) => columns[index].applyLayout(layout));\r\n transform(columns.map((column) => column.header));\r\n rowMap.forEach((row) => transform(row));\r\n };\r\n\r\n this.moveBefore = function(selected, target) {\r\n let index = target;\r\n\r\n if (target % 1 !== 0) {\r\n index = target ? columns[target.columnId].mapTo : columns.length;\r\n }\r\n if (index < 0 || index > columns.length) {\r\n return; // throw an error?\r\n }\r\n\r\n let mapTo = selected.mapTo,\r\n next = null;\r\n index -= mapTo < index ? 1 : 0;\r\n\r\n columns.forEach(c => {\r\n c.mapTo -= c.mapTo > mapTo ? 1 : 0;\r\n c.mapTo += c.mapTo >= index ? 1 : 0;\r\n next = c.mapTo === index + 1 ? c : next;\r\n });\r\n\r\n selected.mapTo = index;\r\n selected.moveBefore(next);\r\n };\r\n\r\n this.exchangeWith = function(selected, index) {\r\n if (index < 0 || index >= columns.length) {\r\n return;\r\n }\r\n columns.find(c => c.mapTo === index).mapTo = selected.mapTo;\r\n selected.mapTo = index;\r\n };\r\n\r\n this.columnFromPoint = function(x, y) {\r\n let column = columns.find(col => col.columnFromPoint(x, y));\r\n return column ? new ColumnAdapter(this, column) : undefined;\r\n };\r\n\r\n // function definitions\r\n\r\n function transform(row) {\r\n let parent = row[0].parent();\r\n let visible = [];\r\n\r\n row.forEach((cell, index) => {\r\n columns[index].applyCss(cell);\r\n visible[columns[index].mapTo] = row[index];\r\n row[index].detach();\r\n });\r\n\r\n visible.forEach(cell => parent.append(cell));\r\n }\r\n\r\n }\r\n\r\n return {\r\n require: ['^^uiScrollViewport'],\r\n restrict: 'A',\r\n link: ($scope, element, $attr, controllers) => {\r\n controllers[0].gridController = controllers[0].gridController || new GridController(controllers[0]);\r\n controllers[0].gridController.registerColumn(element);\r\n }\r\n };\r\n }])\r\n\r\n.directive('uiScrollTd', function() {\r\n return {\r\n require: ['?^^uiScrollViewport'],\r\n restrict: 'A',\r\n link: ($scope, element, $attr, controllers) => {\r\n if (!controllers[0]) {\r\n return;\r\n }\r\n let scope = $scope;\r\n let tdInitializer = $scope.uiScrollTdInitializer;\r\n if (!tdInitializer) {\r\n tdInitializer = $scope.uiScrollTdInitializer = {\r\n linking: true\r\n };\r\n }\r\n if (!tdInitializer.linking) {\r\n scope = tdInitializer.scope;\r\n }\r\n let gridController = controllers[0].gridController;\r\n if (gridController.registerCell(scope, element)) {\r\n $scope.$on('$destroy', () => gridController.unregisterCell(scope, element));\r\n }\r\n if (!tdInitializer.linking) {\r\n tdInitializer.onLink();\r\n }\r\n }\r\n };\r\n});\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll-grid.js"],"sourceRoot":""} \ No newline at end of file diff --git a/dist/ui-scroll-grid.min.js b/dist/ui-scroll-grid.min.js index 1b3b90c6..71ec0225 100644 --- a/dist/ui-scroll-grid.min.js +++ b/dist/ui-scroll-grid.min.js @@ -1,8 +1,8 @@ /*! * angular-ui-scroll (compressed) * https://github.com/angular-ui/ui-scroll - * Version: 1.7.0-rc.5 -- 2017-11-10T00:53:20.598Z + * Version: 1.7.0-rc.5 -- 2017-11-10T01:00:29.980Z * License: MIT */ -!function(t){function n(e){if(r[e])return r[e].exports;var o=r[e]={i:e,l:!1,exports:{}};return t[e].call(o.exports,o,o.exports,n),o.l=!0,o.exports}var r={};n.m=t,n.c=r,n.i=function(t){return t},n.d=function(t,r,e){n.o(t,r)||Object.defineProperty(t,r,{configurable:!1,enumerable:!0,get:e})},n.n=function(t){var r=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(r,"a",r),r},n.o=function(t,n){return Object.prototype.hasOwnProperty.call(t,n)},n.p="",n(n.s=6)}({6:function(t,n,r){"use strict";angular.module("ui.scroll.grid",[]).directive("uiScrollTh",["$log","$timeout",function(t,n){function r(t){this.getLayout=function(){return t.getLayout()},this.applyLayout=function(n){return t.applyLayout(n)},this.columnFromPoint=function(n,r){return t.columnFromPoint(n,r)},Object.defineProperty(this,"columns",{get:function(){return t.getColumns()}})}function e(t,n){this.css=function(){var r=arguments[0],e=arguments[1];if(1==arguments.length)return n.header.css(r);2==arguments.length&&(n.header.css(r,e),t.forEachRow(function(t){return t[n.id].css(r,e)}),n.css[r]=e)},this.moveBefore=function(r){return t.moveBefore(n,r)},this.exchangeWith=function(r){return t.exchangeWith(n,r)},Object.defineProperty(this,"columnId",{get:function(){return n.id}})}function o(t,n,r){function e(t,n,r){var e=t.offset();return!(n=c.length)&&(r.push(n),!0)},this.unregisterCell=function(t,n){var r=a.get(t),e=r.indexOf(n);r.splice(e,1),r.length||a.delete(t)},this.forEachRow=function(t){a.forEach(t)},this.getColumns=function(){var t=this,n=[];return c.slice().sort(function(t,n){return t.mapTo-n.mapTo}).forEach(function(r){return n.push(new e(t,r))}),n},this.getLayout=function(){var t=[];return c.forEach(function(n,r){return t.push({index:r,css:angular.extend({},n.css),mapTo:n.mapTo})}),t},this.applyLayout=function(t){if(!t||t.length!=c.length)throw new Error("Failed to apply layout - number of layouts should match number of columns");t.forEach(function(t,n){return c[n].applyLayout(t)}),i(c.map(function(t){return t.header})),a.forEach(function(t){return i(t)})},this.moveBefore=function(t,n){var r=n;if(n%1!=0&&(r=n?c[n.columnId].mapTo:c.length),!(r<0||r>c.length)){var e=t.mapTo,o=null;r-=ee?1:0,t.mapTo+=t.mapTo>=r?1:0,o=t.mapTo===r+1?t:o}),t.mapTo=r,t.moveBefore(o)}},this.exchangeWith=function(t,n){n<0||n>=c.length||(c.find(function(t){return t.mapTo===n}).mapTo=t.mapTo,t.mapTo=n)},this.columnFromPoint=function(t,n){var r=c.find(function(r){return r.columnFromPoint(t,n)});return r?new e(this,r):void 0}}return{require:["^^uiScrollViewport"],restrict:"A",link:function(t,n,r,e){e[0].gridController=e[0].gridController||new i(e[0]),e[0].gridController.registerColumn(n)}}}]).directive("uiScrollTd",function(){return{require:["?^^uiScrollViewport"],restrict:"A",link:function(t,n,r,e){if(e[0]){var o=t,i=t.uiScrollTdInitializer;i||(i=t.uiScrollTdInitializer={linking:!0}),i.linking||(o=i.scope);var u=e[0].gridController;u.registerCell(o,n)&&t.$on("$destroy",function(){return u.unregisterCell(o,n)}),i.linking||i.onLink()}}}})}}); +!function(t){function n(e){if(r[e])return r[e].exports;var o=r[e]={i:e,l:!1,exports:{}};return t[e].call(o.exports,o,o.exports,n),o.l=!0,o.exports}var r={};n.m=t,n.c=r,n.i=function(t){return t},n.d=function(t,r,e){n.o(t,r)||Object.defineProperty(t,r,{configurable:!1,enumerable:!0,get:e})},n.n=function(t){var r=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(r,"a",r),r},n.o=function(t,n){return Object.prototype.hasOwnProperty.call(t,n)},n.p="",n(n.s=6)}({6:function(t,n,r){"use strict";angular.module("ui.scroll.grid",[]).directive("uiScrollTh",["$log","$timeout",function(t,n){function r(t){this.getLayout=function(){return t.getLayout()},this.applyLayout=function(n){return t.applyLayout(n)},this.columnFromPoint=function(n,r){return t.columnFromPoint(n,r)},Object.defineProperty(this,"columns",{get:function(){return t.getColumns()}})}function e(t,n){this.css=function(){var r=arguments[0],e=arguments[1];if(1==arguments.length)return n.header.css(r);2==arguments.length&&(n.header.css(r,e),t.forEachRow(function(t){return t[n.id].css(r,e)}),n.css[r]=e)},this.moveBefore=function(r){return t.moveBefore(n,r)},this.exchangeWith=function(r){return t.exchangeWith(n,r)},Object.defineProperty(this,"columnId",{get:function(){return n.id}})}function o(t,n,r){function e(t,n,r){var e=t.offset();return!(n=c.length)&&(r.push(n),!0)},this.unregisterCell=function(t,n){var r=a.get(t),e=r.indexOf(n);r.splice(e,1),r.length||a.delete(t)},this.forEachRow=function(t){a.forEach(t)},this.getColumns=function(){var t=this,n=[];return c.slice().sort(function(t,n){return t.mapTo-n.mapTo}).forEach(function(r){return n.push(new e(t,r))}),n},this.getLayout=function(){var t=[];return c.forEach(function(n,r){return t.push({index:r,css:Object.assign({},n.css),mapTo:n.mapTo})}),t},this.applyLayout=function(t){if(!t||t.length!=c.length)throw new Error("Failed to apply layout - number of layouts should match number of columns");t.forEach(function(t,n){return c[n].applyLayout(t)}),i(c.map(function(t){return 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u.unregisterCell(o,n)}),i.linking||i.onLink()}}}})}}); //# sourceMappingURL=ui-scroll-grid.min.js.map \ No newline at end of file diff --git a/dist/ui-scroll-grid.min.js.map b/dist/ui-scroll-grid.min.js.map index 9fde0493..9dfee90b 100644 --- a/dist/ui-scroll-grid.min.js.map +++ b/dist/ui-scroll-grid.min.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///ui-scroll-grid.min.js","webpack:///webpack/bootstrap 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(cell, index) {\n columns[index].applyCss(cell);\n visible[columns[index].mapTo] = row[index];\n row[index].detach();\n });\n\n visible.forEach(function (cell) {\n return parent.append(cell);\n });\n }\n }\n\n return {\n require: ['^^uiScrollViewport'],\n restrict: 'A',\n link: function link($scope, element, $attr, controllers) {\n controllers[0].gridController = controllers[0].gridController || new GridController(controllers[0]);\n controllers[0].gridController.registerColumn(element);\n }\n };\n}]).directive('uiScrollTd', function () {\n return {\n require: ['?^^uiScrollViewport'],\n restrict: 'A',\n link: function link($scope, element, $attr, controllers) {\n if (!controllers[0]) {\n return;\n }\n var scope = $scope;\n var tdInitializer = $scope.uiScrollTdInitializer;\n if (!tdInitializer) {\n tdInitializer = $scope.uiScrollTdInitializer = {\n linking: true\n };\n }\n if (!tdInitializer.linking) {\n scope = tdInitializer.scope;\n }\n var gridController = controllers[0].gridController;\n if (gridController.registerCell(scope, element)) {\n $scope.$on('$destroy', function () {\n return gridController.unregisterCell(scope, element);\n });\n }\n if (!tdInitializer.linking) {\n tdInitializer.onLink();\n }\n }\n };\n});\n\n/***/ })\n\n/******/ });\n\n\n// WEBPACK FOOTER //\n// ui-scroll-grid.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 6);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 1ac29eb6a56dd53511e8","angular.module('ui.scroll.grid', [])\r\n .directive('uiScrollTh', ['$log', '$timeout', function(console, $timeout) {\r\n\r\n function GridAdapter(controller) {\r\n\r\n this.getLayout = () => controller.getLayout();\r\n\r\n this.applyLayout = (layout) => controller.applyLayout(layout);\r\n\r\n this.columnFromPoint = (x, y) => controller.columnFromPoint(x, y);\r\n\r\n Object.defineProperty(this, 'columns', { get: () => controller.getColumns() });\r\n }\r\n\r\n function ColumnAdapter(controller, column) {\r\n\r\n this.css = function( /* attr, value */ ) {\r\n var attr = arguments[0];\r\n var value = arguments[1];\r\n if (arguments.length == 1) {\r\n return column.header.css(attr);\r\n }\r\n if (arguments.length == 2) {\r\n column.header.css(attr, value);\r\n controller.forEachRow((row) => row[column.id].css(attr, value));\r\n column.css[attr] = value;\r\n }\r\n };\r\n\r\n this.moveBefore = (index) => controller.moveBefore(column, index);\r\n\r\n this.exchangeWith = (index) => controller.exchangeWith(column, index);\r\n\r\n Object.defineProperty(this, 'columnId', { get: () => column.id });\r\n }\r\n\r\n function ColumnController(controller, columns, header) {\r\n\r\n this.header = header;\r\n this.css = {};\r\n this.mapTo = columns.length;\r\n this.id = columns.length;\r\n\r\n // controller api methods\r\n\r\n this.applyLayout = function(layout) {\r\n this.css = Object.assign({}, layout.css);\r\n this.mapTo = layout.mapTo;\r\n applyCss(this.header, this.css);\r\n };\r\n\r\n this.moveBefore = function(target) {\r\n if (target) {\r\n moveBefore(header, target.header);\r\n controller.forEachRow((row) => moveBefore(row[this.id], row[target.id]));\r\n } else {\r\n moveLast(header);\r\n controller.forEachRow((row) => moveLast(row[this.id]));\r\n }\r\n };\r\n\r\n this.columnFromPoint = function(x, y) {\r\n if (insidePoint(header, x, y)) {\r\n return this;\r\n }\r\n let result = null;\r\n controller.forEachRow((row) =>\r\n result = insidePoint(row[this.id], x, y) ? this : result\r\n );\r\n return result;\r\n };\r\n\r\n this.applyCss = function(target) {\r\n applyCss(target, this.css);\r\n };\r\n\r\n // function definitions\r\n\r\n function insidePoint(element, x, y) {\r\n let offset = element.offset();\r\n if (x < offset.left || offset.left + element.outerWidth(true) < x)\r\n return false;\r\n if (y < offset.top || offset.top + element.outerHeight(true) < y)\r\n return false;\r\n return true;\r\n }\r\n\r\n function moveBefore(element, target) {\r\n element.detach();\r\n target.before(element);\r\n }\r\n\r\n function moveLast(element) {\r\n let parent = element.parent();\r\n element.detach();\r\n parent.append(element);\r\n }\r\n\r\n function applyCss(target, css) {\r\n target.removeAttr('style');\r\n for (let attr in css) {\r\n if (css.hasOwnProperty(attr)) {\r\n target.css(attr, css[attr]);\r\n }\r\n }\r\n }\r\n\r\n }\r\n\r\n function GridController(scrollViewport) {\r\n let columns = [];\r\n let rowMap = new Map();\r\n\r\n $timeout(() => {\r\n scrollViewport.adapter.publicContext.gridAdapter = new GridAdapter(this);\r\n scrollViewport.adapter.transform = (scope, item) => transform(rowMap.get(scope), item);\r\n });\r\n\r\n this.registerColumn = function(header) {\r\n columns.push(new ColumnController(this, columns, header));\r\n };\r\n\r\n this.registerCell = function(scope, cell) {\r\n let row = rowMap.get(scope);\r\n if (!row) {\r\n row = [];\r\n rowMap.set(scope, row);\r\n }\r\n if (row.length >= columns.length) {\r\n return false;\r\n }\r\n row.push(cell);\r\n return true;\r\n };\r\n\r\n this.unregisterCell = function(scope, cell) {\r\n let row = rowMap.get(scope);\r\n let i = row.indexOf(cell);\r\n row.splice(i, 1);\r\n if (!row.length) {\r\n rowMap.delete(scope);\r\n }\r\n };\r\n\r\n this.forEachRow = function(callback) {\r\n rowMap.forEach(callback);\r\n };\r\n\r\n this.getColumns = function() {\r\n let result = [];\r\n columns.slice()\r\n .sort((a, b) => a.mapTo - b.mapTo)\r\n .forEach((column) => result.push(new ColumnAdapter(this, column)));\r\n return result;\r\n };\r\n\r\n this.getLayout = function() {\r\n let result = [];\r\n columns.forEach((column, index) => result.push({\r\n index: index,\r\n css: Object.assign({}, column.css),\r\n mapTo: column.mapTo\r\n }));\r\n return result;\r\n };\r\n\r\n this.applyLayout = function(layouts) {\r\n if (!layouts || layouts.length != columns.length) {\r\n throw new Error('Failed to apply layout - number of layouts should match number of columns');\r\n }\r\n layouts.forEach((layout, index) => columns[index].applyLayout(layout));\r\n transform(columns.map((column) => column.header));\r\n rowMap.forEach((row) => transform(row));\r\n };\r\n\r\n this.moveBefore = function(selected, target) {\r\n let index = target;\r\n\r\n if (target % 1 !== 0) {\r\n index = target ? columns[target.columnId].mapTo : columns.length;\r\n }\r\n if (index < 0 || index > columns.length) {\r\n return; // throw an error?\r\n }\r\n\r\n let mapTo = selected.mapTo,\r\n next = null;\r\n index -= mapTo < index ? 1 : 0;\r\n\r\n columns.forEach(c => {\r\n c.mapTo -= c.mapTo > mapTo ? 1 : 0;\r\n c.mapTo += c.mapTo >= index ? 1 : 0;\r\n next = c.mapTo === index + 1 ? c : next;\r\n });\r\n\r\n selected.mapTo = index;\r\n selected.moveBefore(next);\r\n };\r\n\r\n this.exchangeWith = function(selected, index) {\r\n if (index < 0 || index >= columns.length) {\r\n return;\r\n }\r\n columns.find(c => c.mapTo === index).mapTo = selected.mapTo;\r\n selected.mapTo = index;\r\n };\r\n\r\n this.columnFromPoint = function(x, y) {\r\n let column = columns.find(col => col.columnFromPoint(x, y));\r\n return column ? new ColumnAdapter(this, column) : undefined;\r\n };\r\n\r\n // function definitions\r\n\r\n function transform(row) {\r\n let parent = row[0].parent();\r\n let visible = [];\r\n\r\n row.forEach((cell, index) => {\r\n columns[index].applyCss(cell);\r\n visible[columns[index].mapTo] = row[index];\r\n row[index].detach();\r\n });\r\n\r\n visible.forEach(cell => parent.append(cell));\r\n }\r\n\r\n }\r\n\r\n return {\r\n require: ['^^uiScrollViewport'],\r\n restrict: 'A',\r\n link: ($scope, element, $attr, controllers) => {\r\n controllers[0].gridController = controllers[0].gridController || new GridController(controllers[0]);\r\n controllers[0].gridController.registerColumn(element);\r\n }\r\n };\r\n }])\r\n\r\n.directive('uiScrollTd', function() {\r\n return {\r\n require: ['?^^uiScrollViewport'],\r\n restrict: 'A',\r\n link: ($scope, element, $attr, controllers) => {\r\n if (!controllers[0]) {\r\n return;\r\n }\r\n let scope = $scope;\r\n let tdInitializer = $scope.uiScrollTdInitializer;\r\n if (!tdInitializer) {\r\n tdInitializer = $scope.uiScrollTdInitializer = {\r\n linking: true\r\n };\r\n }\r\n if (!tdInitializer.linking) {\r\n scope = tdInitializer.scope;\r\n }\r\n let gridController = controllers[0].gridController;\r\n if (gridController.registerCell(scope, element)) {\r\n $scope.$on('$destroy', () => gridController.unregisterCell(scope, element));\r\n }\r\n if (!tdInitializer.linking) {\r\n tdInitializer.onLink();\r\n }\r\n }\r\n };\r\n});\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll-grid.js"],"sourceRoot":""} \ No newline at end of file diff --git a/dist/ui-scroll.js b/dist/ui-scroll.js index e1e2c1bc..fc2df2d0 100644 --- a/dist/ui-scroll.js +++ b/dist/ui-scroll.js @@ -1,7 +1,7 @@ /*! * angular-ui-scroll (uncompressed) * https://github.com/angular-ui/ui-scroll - * Version: 1.7.0-rc.5 -- 2017-11-10T00:53:20.545Z + * Version: 1.7.0-rc.5 -- 2017-11-10T01:00:29.941Z * License: MIT */ /******/ (function(modules) { // webpackBootstrap @@ -88,12 +88,15 @@ var _createClass = function () { function defineProperties(target, props) { for function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } var Adapter = function () { - function Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope) { + function Adapter($scope, $parse, $attr, viewport, buffer, doAdjust, reload) { _classCallCheck(this, Adapter); + this.$parse = $parse; + this.$attr = $attr; this.viewport = viewport; this.buffer = buffer; - this.adjustBuffer = adjustBuffer; + + this.doAdjust = doAdjust; this.reload = reload; this.isLoading = false; @@ -103,32 +106,32 @@ var Adapter = function () { this.startScope = viewportScope.$parent ? viewportScope : $scope; this.publicContext = {}; - this.assignAdapter($attr.adapter, $parse); - this.generatePublicContext($attr, $parse); + this.assignAdapter($attr.adapter); + this.generatePublicContext(); } _createClass(Adapter, [{ key: 'assignAdapter', - value: function assignAdapter(adapterAttr, $parse) { + value: function assignAdapter(adapterAttr) { if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\s+|\s+$/gm, ''))) { return; } var adapterOnScope = void 0; try { - $parse(adapterAttr).assign(this.startScope, {}); - adapterOnScope = $parse(adapterAttr)(this.startScope); + this.$parse(adapterAttr).assign(this.startScope, {}); + adapterOnScope = this.$parse(adapterAttr)(this.startScope); } catch (error) { error.message = 'Angular ui-scroll Adapter assignment exception.\n' + ('Can\'t parse "' + adapterAttr + '" expression.\n') + error.message; throw error; } - angular.extend(adapterOnScope, this.publicContext); + Object.assign(adapterOnScope, this.publicContext); this.publicContext = adapterOnScope; } }, { key: 'generatePublicContext', - value: function generatePublicContext($attr, $parse) { + value: function generatePublicContext() { var _this = this; // these methods will be accessible out of ui-scroll via user defined adapter @@ -142,7 +145,7 @@ var Adapter = function () { var _loop = function _loop(_i) { var property = void 0, - attr = $attr[publicProps[_i]]; + attr = _this.$attr[publicProps[_i]]; Object.defineProperty(_this, publicProps[_i], { get: function get() { return property; @@ -151,7 +154,7 @@ var Adapter = function () { property = value; _this.publicContext[publicProps[_i]] = value; if (attr) { - $parse(attr).assign(_this.startScope, value); + _this.$parse(attr).assign(_this.startScope, value); } } }); @@ -167,14 +170,14 @@ var Adapter = function () { return _this.disabled; }, set: function set(value) { - return !(_this.disabled = value) ? _this.adjustBuffer() : null; + return !(_this.disabled = value) ? _this.doAdjust() : null; } }); } }, { key: 'loading', value: function loading(value) { - this['isLoading'] = value; + this.isLoading = value; } }, { key: 'isBOF', @@ -195,7 +198,7 @@ var Adapter = function () { key: 'append', value: function append(newItems) { this.buffer.append(newItems); - this.adjustBuffer(); + this.doAdjust(); this.viewport.clipTop(); this.viewport.clipBottom(); } @@ -203,19 +206,19 @@ var Adapter = function () { key: 'prepend', value: function prepend(newItems) { this.buffer.prepend(newItems); - this.adjustBuffer(); + this.doAdjust(); this.viewport.clipTop(); this.viewport.clipBottom(); } }, { key: 'applyUpdates', value: function applyUpdates(arg1, arg2) { - if (angular.isFunction(arg1)) { + if (typeof arg1 === 'function') { this.applyUpdatesFunc(arg1); } else { this.applyUpdatesIndex(arg1, arg2); } - this.adjustBuffer(); + this.doAdjust(); } }, { key: 'applyUpdatesFunc', @@ -242,7 +245,7 @@ var Adapter = function () { } // out-of-buffer case: deletion may affect Paddings else if (index >= this.buffer.getAbsMinIndex() && index <= this.buffer.getAbsMaxIndex()) { - if (angular.isArray(newItems) && !newItems.length) { + if (Array.isArray(newItems) && !newItems.length) { this.viewport.removeCacheItem(index, index === this.buffer.minIndex); if (index === this.buffer.getAbsMinIndex()) { this.buffer.incrementMinIndex(); @@ -257,7 +260,7 @@ var Adapter = function () { value: function applyUpdate(wrapper, newItems) { var _this3 = this; - if (!angular.isArray(newItems)) { + if (!Array.isArray(newItems)) { return; } var position = this.buffer.indexOf(wrapper); @@ -335,10 +338,10 @@ Object.defineProperty(exports, "__esModule", { value: true }); exports.default = ScrollBuffer; -function ScrollBuffer(elementRoutines, bufferSize) { +function ScrollBuffer(elementRoutines, bufferSize, startIndex) { var buffer = Object.create(Array.prototype); - angular.extend(buffer, { + Object.assign(buffer, { size: bufferSize, reset: function reset(startIndex) { @@ -404,12 +407,11 @@ function ScrollBuffer(elementRoutines, bufferSize) { // removes elements from buffer remove: function remove(arg1, arg2) { - if (angular.isNumber(arg1)) { + if (Number.isInteger(arg1)) { // removes items from arg1 (including) through arg2 (excluding) for (var i = arg1; i < arg2; i++) { elementRoutines.removeElement(buffer[i]); } - return buffer.splice(arg1, arg2 - arg1); } // removes single item(wrapper) from the buffer @@ -478,6 +480,8 @@ function ScrollBuffer(elementRoutines, bufferSize) { } }); + buffer.reset(startIndex); + return buffer; } @@ -654,13 +658,14 @@ var JQLiteExtras = function () { prop = _top$left$direction[1], preserve = _top$left$direction[2]; + var isValueDefined = typeof value !== 'undefined'; if (isWindow(elem)) { - if (angular.isDefined(value)) { + if (isValueDefined) { return elem.scrollTo(self[preserve].call(self), value); } return prop in elem ? elem[prop] : elem.document.documentElement[method]; } else { - if (angular.isDefined(value)) { + if (isValueDefined) { elem[method] = value; } return elem[method]; @@ -825,8 +830,8 @@ var JQLiteExtras = function () { height: function height(value) { var self; self = this; - if (angular.isDefined(value)) { - if (angular.isNumber(value)) { + if (typeof value !== 'undefined') { + if (Number.isInteger(value)) { value = value + 'px'; } return css.call(self, 'height', value); @@ -937,7 +942,7 @@ function Viewport(elementRoutines, buffer, element, viewportController, $rootSco return viewport.outerHeight() * padding; // some extra space to initiate preload } - angular.extend(viewport, { + Object.assign(viewport, { getScope: function getScope() { return scope; }, @@ -1080,8 +1085,7 @@ function Viewport(elementRoutines, buffer, element, viewportController, $rootSco if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) { var diff = topPadding.height() - topPaddingHeightOld; viewport.scrollTop(viewport.scrollTop() + diff); - diff -= viewport.scrollTop(); - if (diff > 0) { + while ((diff -= viewport.scrollTop()) > 0) { bottomPadding.height(bottomPadding.height() + diff); viewport.scrollTop(viewport.scrollTop() + diff); } @@ -1332,17 +1336,18 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { var pending = []; var elementRoutines = new _elementRoutines2.default($injector, $q); - var buffer = new _buffer2.default(elementRoutines, bufferSize); + var buffer = new _buffer2.default(elementRoutines, bufferSize, startIndex); var viewport = new _viewport2.default(elementRoutines, buffer, element, viewportController, $rootScope, padding); - var adapter = new _adapter2.default(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope); + var adapter = new _adapter2.default($scope, $parse, $attr, viewport, buffer, doAdjust, reload); if (viewportController) { viewportController.adapter = adapter; } var isDatasourceValid = function isDatasourceValid() { - return angular.isObject(datasource) && angular.isFunction(datasource.get); + return Object.prototype.toString.call(datasource) === '[object Object]' && typeof datasource.get === 'function'; }; + datasource = $parse(datasourceName)($scope); // try to get datasource on scope if (!isDatasourceValid()) { datasource = $injector.get(datasourceName); // try to inject datasource as service @@ -1353,35 +1358,44 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { var onRenderHandlers = []; function onRenderHandlersRunner() { - if (onRenderHandlers.length) { - angular.forEach(onRenderHandlers, function (handler) { - return handler(); - }); - onRenderHandlers = []; - } + onRenderHandlers.forEach(function (handler) { + return handler.run(); + }); + onRenderHandlers = []; } - function preDefineIndexProperty(datasource, propName) { + function persistDatasourceIndex(datasource, propName) { var getter = void 0; // need to postpone min/maxIndexUser processing if the view is empty - if (datasource.hasOwnProperty(propName) && !buffer.length) { + if (Number.isInteger(datasource[propName])) { getter = datasource[propName]; - delete datasource[propName]; - onRenderHandlers.push(function () { - return datasource[propName] = getter; - }); + if (Number.isInteger(getter)) { + onRenderHandlers = onRenderHandlers.filter(function (handler) { + return handler.id !== propName; + }); + onRenderHandlers.push({ + id: propName, + run: function run() { + return datasource[propName] = getter; + } + }); + } } } - function defineIndexProperty(datasource, propName, propUserName) { + function defineDatasourceIndex(datasource, propName, propUserName) { var descriptor = Object.getOwnPropertyDescriptor(datasource, propName); if (descriptor && (descriptor.set || descriptor.get)) { return; } var getter = void 0; - preDefineIndexProperty(datasource, propName); + persistDatasourceIndex(datasource, propName); Object.defineProperty(datasource, propName, { set: function set(value) { getter = value; + if (pending.length && !buffer.length) { + persistDatasourceIndex(datasource, propName); + return; + } buffer[propUserName] = value; var topPaddingHeightOld = viewport.topDataPos(); viewport.adjustPaddings(); @@ -1395,8 +1409,8 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { }); } - defineIndexProperty(datasource, 'minIndex', 'minIndexUser'); - defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser'); + defineDatasourceIndex(datasource, 'minIndex', 'minIndexUser'); + defineDatasourceIndex(datasource, 'maxIndex', 'maxIndexUser'); var fetchNext = datasource.get.length !== 2 ? function (success) { return datasource.get(buffer.next, bufferSize, success); @@ -1418,14 +1432,14 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { }, success); }; - var run = function run() { + var initialize = function initialize() { var tryCount = 0; if (!viewport.applyContainerStyle()) { var timer = $interval(function () { tryCount++; if (viewport.applyContainerStyle()) { $interval.cancel(timer); - reload(); + doAdjust(); } if (tryCount * VIEWPORT_POLLING_INTERVAL >= MAX_VIEWPORT_DELAY) { $interval.cancel(timer); @@ -1433,7 +1447,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { } }, VIEWPORT_POLLING_INTERVAL); } else { - reload(); + doAdjust(); } }; @@ -1460,7 +1474,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { viewport.bind('mousewheel', wheelHandler); - run(); + initialize(); /* Private function definitions */ @@ -1485,7 +1499,9 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { startIndex = arguments[0]; } buffer.reset(startIndex); - adjustBuffer(); + persistDatasourceIndex(datasource, 'minIndex'); + persistDatasourceIndex(datasource, 'maxIndex'); + doAdjust(); } function isElementVisible(wrapper) { @@ -1495,14 +1511,14 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { function visibilityWatcher(wrapper) { if (isElementVisible(wrapper)) { buffer.forEach(function (item) { - if (angular.isFunction(item.unregisterVisibilityWatcher)) { + if (typeof item.unregisterVisibilityWatcher === 'function') { item.unregisterVisibilityWatcher(); delete item.unregisterVisibilityWatcher; } }); if (!pending.length) { $timeout(function () { - return adjustBuffer(); + return doAdjust(); }); } } @@ -1592,11 +1608,11 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { } function updatePaddings(rid, updates) { - // schedule another adjustBuffer after animation completion + // schedule another doAdjust after animation completion if (updates.animated.length) { $q.all(updates.animated).then(function () { viewport.adjustPaddings(); - adjustBuffer(rid); + doAdjust(rid); }); } else { viewport.adjustPaddings(); @@ -1640,7 +1656,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { return updates; } - function adjustBuffer(rid) { + function doAdjust(rid) { if (!rid) { // dismiss pending requests pending = []; @@ -1661,7 +1677,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { } } - function adjustBufferAfterFetch(rid) { + function doAdjustAfterFetch(rid) { var updates = processUpdates(); viewport.onAfterPrepend(updates); @@ -1686,7 +1702,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { if (pending[0]) { // scrolling down if (buffer.length && !viewport.shouldLoadBottom()) { - adjustBufferAfterFetch(rid); + doAdjustAfterFetch(rid); } else { fetchNext(function (result) { if (isInvalid(rid)) { @@ -1702,13 +1718,13 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { buffer.append(result); } - adjustBufferAfterFetch(rid); + doAdjustAfterFetch(rid); }); } } else { // scrolling up if (buffer.length && !viewport.shouldLoadTop()) { - adjustBufferAfterFetch(rid); + doAdjustAfterFetch(rid); } else { fetchPrevious(function (result) { if (isInvalid(rid)) { @@ -1727,7 +1743,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { buffer.prepend(result); } - adjustBufferAfterFetch(rid); + doAdjustAfterFetch(rid); }); } } diff --git a/dist/ui-scroll.js.map b/dist/ui-scroll.js.map index e72cc7af..43565de6 100644 --- a/dist/ui-scroll.js.map +++ b/dist/ui-scroll.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///webpack/bootstrap 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function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 140c80703d39e17cf82a","class Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let adapterOnScope;\r\n\r\n try {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n this.applyUpdatesFunc(arg1);\r\n } else {\r\n this.applyUpdatesIndex(arg1, arg2);\r\n }\r\n this.adjustBuffer();\r\n }\r\n\r\n applyUpdatesFunc(cb) {\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n }\r\n\r\n applyUpdatesIndex(index, newItems) {\r\n if (index % 1 !== 0) {\r\n throw new Error('applyUpdates - ' + index + ' is not a valid index (should be an integer)');\r\n }\r\n const _index = index - this.buffer.first;\r\n\r\n // apply updates only within buffer\r\n if (_index >= 0 && _index < this.buffer.length) {\r\n this.applyUpdate(this.buffer[_index], newItems);\r\n }\r\n // out-of-buffer case: deletion may affect Paddings\r\n else if(index >= this.buffer.getAbsMinIndex() && index <= this.buffer.getAbsMaxIndex()) {\r\n if(angular.isArray(newItems) && !newItems.length) {\r\n this.viewport.removeCacheItem(index, index === this.buffer.minIndex);\r\n if(index === this.buffer.getAbsMinIndex()) {\r\n this.buffer.incrementMinIndex();\r\n }\r\n else {\r\n this.buffer.decrementMaxIndex();\r\n }\r\n }\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n let position = this.buffer.indexOf(wrapper);\r\n if (!newItems.reverse().some(newItem => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop' && buffer.first === this.getAbsMinIndex()) {\r\n this.incrementMinIndex();\r\n }\r\n else {\r\n this.decrementMaxIndex();\r\n }\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n incrementMinIndex() {\r\n if(buffer.minIndexUser !== null) {\r\n if(buffer.minIndex > buffer.minIndexUser) {\r\n buffer.minIndexUser++;\r\n return;\r\n }\r\n if(buffer.minIndex === buffer.minIndexUser) {\r\n buffer.minIndexUser++;\r\n }\r\n }\r\n buffer.minIndex++;\r\n },\r\n\r\n decrementMaxIndex() {\r\n if(buffer.maxIndexUser !== null && buffer.maxIndex <= buffer.maxIndexUser) {\r\n buffer.maxIndexUser--;\r\n }\r\n buffer.maxIndex--;\r\n },\r\n\r\n getAbsMinIndex() {\r\n if(buffer.minIndexUser !== null) {\r\n return Math.min(buffer.minIndexUser, buffer.minIndex);\r\n }\r\n return buffer.minIndex;\r\n },\r\n\r\n getAbsMaxIndex() {\r\n if(buffer.maxIndexUser !== null) {\r\n return Math.max(buffer.maxIndexUser, buffer.maxIndex);\r\n }\r\n return buffer.maxIndex;\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding.element);\r\n element.after(bottomPadding.element);\r\n topPadding.height(0);\r\n bottomPadding.height(0);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (!container) {\r\n return true;\r\n }\r\n if(container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n return viewport.height() > 0;\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding.element);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding.element);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation based on items that are in buffer or that were in buffer once\r\n const visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n\r\n let topPaddingHeight = 0, topCount = 0;\r\n topPadding.cache.forEach(item => {\r\n if(item.index < buffer.first) {\r\n topPaddingHeight += item.height;\r\n topCount++;\r\n }\r\n });\r\n\r\n let bottomPaddingHeight = 0, bottomCount = 0;\r\n bottomPadding.cache.forEach(item => {\r\n if(item.index >= buffer.next) {\r\n bottomPaddingHeight += item.height;\r\n bottomCount++;\r\n }\r\n });\r\n\r\n const totalHeight = visibleItemsHeight + topPaddingHeight + bottomPaddingHeight;\r\n const averageItemHeight = totalHeight / (topCount + bottomCount + buffer.length);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeCacheItem(item, isTop) {\r\n topPadding.cache.remove(item, isTop);\r\n bottomPadding.cache.remove(item, isTop);\r\n },\r\n\r\n removeItem(item) {\r\n this.removeCacheItem(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(argument, _isTop) {\r\n const index = argument % 1 === 0 ? argument : argument.scope.$index;\r\n const isTop = argument % 1 === 0 ? _isTop : argument._op === 'isTop';\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(!isTop) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nfunction generateElement(template) {\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n let element;\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
');\r\n element = table.find('tr');\r\n break;\r\n case 'li':\r\n element = angular.element('
  • ');\r\n break;\r\n default:\r\n element = angular.element('
    ');\r\n }\r\n return element;\r\n}\r\n\r\nclass Padding {\r\n constructor(template) {\r\n this.element = generateElement(template);\r\n this.cache = new Cache();\r\n }\r\n\r\n height() {\r\n return this.element.height.apply(this.element, arguments);\r\n }\r\n}\r\n\r\nexport default Padding;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\r\nimport ElementRoutines from './modules/elementRoutines.js';\r\nimport ScrollBuffer from './modules/buffer.js';\r\nimport Viewport from './modules/viewport.js';\r\nimport Adapter from './modules/adapter.js';\r\n\r\nangular.module('ui.scroll', [])\r\n\r\n .service('jqLiteExtras', () => new JQLiteExtras())\r\n .run(['jqLiteExtras', (jqLiteExtras) =>\r\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\r\n ])\r\n\r\n .directive('uiScrollViewport', function () {\r\n return {\r\n restrict: 'A',\r\n controller: [\r\n '$scope',\r\n '$element',\r\n function (scope, element) {\r\n this.container = element;\r\n this.viewport = element;\r\n this.scope = scope;\r\n\r\n angular.forEach(element.children(), (child => {\r\n if (child.tagName.toLowerCase() === 'tbody') {\r\n this.viewport = angular.element(child);\r\n }\r\n }));\r\n\r\n return this;\r\n }\r\n ]\r\n };\r\n })\r\n\r\n .directive('uiScroll', [\r\n '$log',\r\n '$injector',\r\n '$rootScope',\r\n '$timeout',\r\n '$interval',\r\n '$q',\r\n '$parse',\r\n function (console, $injector, $rootScope, $timeout, $interval, $q, $parse) {\r\n\r\n return {\r\n require: ['?^uiScrollViewport'],\r\n restrict: 'A',\r\n transclude: 'element',\r\n priority: 1000,\r\n terminal: true,\r\n link: link\r\n };\r\n\r\n function link($scope, element, $attr, controllers, linker) {\r\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\r\n if (!match) {\r\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\r\n }\r\n\r\n function parseNumericAttr(value, defaultValue) {\r\n const result = $parse(value)($scope);\r\n return isNaN(result) ? defaultValue : result;\r\n }\r\n\r\n const BUFFER_MIN = 3;\r\n const BUFFER_DEFAULT = 10;\r\n const PADDING_MIN = 0.3;\r\n const PADDING_DEFAULT = 0.5;\r\n const MAX_VIEWPORT_DELAY = 500;\r\n const VIEWPORT_POLLING_INTERVAL = 50;\r\n\r\n let datasource = null;\r\n const itemName = match[1];\r\n const datasourceName = match[2];\r\n const viewportController = controllers[0];\r\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\r\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\r\n let startIndex = parseNumericAttr($attr.startIndex, 1);\r\n let ridActual = 0;// current data revision id\r\n let pending = [];\r\n\r\n const elementRoutines = new ElementRoutines($injector, $q);\r\n const buffer = new ScrollBuffer(elementRoutines, bufferSize);\r\n const viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\r\n const adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope);\r\n\r\n if (viewportController) {\r\n viewportController.adapter = adapter;\r\n }\r\n\r\n const isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\r\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\r\n if (!isDatasourceValid()) {\r\n datasource = $injector.get(datasourceName); // try to inject datasource as service\r\n if (!isDatasourceValid()) {\r\n throw new Error(datasourceName + ' is not a valid datasource');\r\n }\r\n }\r\n\r\n let onRenderHandlers = [];\r\n function onRenderHandlersRunner() {\r\n if(onRenderHandlers.length) {\r\n angular.forEach(onRenderHandlers, (handler) => handler());\r\n onRenderHandlers = [];\r\n }\r\n }\r\n function preDefineIndexProperty(datasource, propName) {\r\n let getter;\r\n // need to postpone min/maxIndexUser processing if the view is empty\r\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\r\n getter = datasource[propName];\r\n delete datasource[propName];\r\n onRenderHandlers.push(() => datasource[propName] = getter);\r\n }\r\n }\r\n\r\n function defineIndexProperty(datasource, propName, propUserName) {\r\n const descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\r\n if (descriptor && (descriptor.set || descriptor.get)) {\r\n return;\r\n }\r\n let getter;\r\n preDefineIndexProperty(datasource, propName);\r\n Object.defineProperty(datasource, propName, {\r\n set: (value) => {\r\n getter = value;\r\n buffer[propUserName] = value;\r\n const topPaddingHeightOld = viewport.topDataPos();\r\n viewport.adjustPaddings();\r\n if (propName === 'minIndex') {\r\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\r\n }\r\n },\r\n get: () => getter\r\n });\r\n }\r\n\r\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\r\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\r\n\r\n const fetchNext = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.next, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.next,\r\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const fetchPrevious = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.first - bufferSize,\r\n prepend: buffer.length ? buffer[0].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const run = () => {\r\n let tryCount = 0;\r\n if(!viewport.applyContainerStyle()) {\r\n const timer = $interval(() => {\r\n tryCount++;\r\n if(viewport.applyContainerStyle()) {\r\n $interval.cancel(timer);\r\n reload();\r\n }\r\n if(tryCount * VIEWPORT_POLLING_INTERVAL >= MAX_VIEWPORT_DELAY) {\r\n $interval.cancel(timer);\r\n throw Error(`ui-scroll directive requires a viewport with non-zero height in ${MAX_VIEWPORT_DELAY}ms`);\r\n }\r\n }, VIEWPORT_POLLING_INTERVAL);\r\n }\r\n else {\r\n reload();\r\n }\r\n };\r\n\r\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\r\n linker((clone, scope) => {\r\n viewport.createPaddingElements(clone[0]);\r\n // we do not include the clone in the DOM. It means that the nested directives will not\r\n // be able to reach the parent directives, but in this case it is intentional because we\r\n // created the clone to access the template tag name\r\n scope.$destroy();\r\n clone.remove();\r\n });\r\n\r\n $scope.$on('$destroy', () => {\r\n unbindEvents();\r\n viewport.unbind('mousewheel', wheelHandler);\r\n });\r\n\r\n viewport.bind('mousewheel', wheelHandler);\r\n\r\n run();\r\n\r\n /* Private function definitions */\r\n\r\n function isInvalid(rid) {\r\n return (rid && rid !== ridActual) || $scope.$$destroyed;\r\n }\r\n\r\n function bindEvents() {\r\n viewport.bind('resize', resizeAndScrollHandler);\r\n viewport.bind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function unbindEvents() {\r\n viewport.unbind('resize', resizeAndScrollHandler);\r\n viewport.unbind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function reload() {\r\n viewport.resetTopPadding();\r\n viewport.resetBottomPadding();\r\n if (arguments.length) {\r\n startIndex = arguments[0];\r\n }\r\n buffer.reset(startIndex);\r\n adjustBuffer();\r\n }\r\n\r\n function isElementVisible(wrapper) {\r\n return wrapper.element.height() && wrapper.element[0].offsetParent;\r\n }\r\n\r\n function visibilityWatcher(wrapper) {\r\n if (isElementVisible(wrapper)) {\r\n buffer.forEach((item) => {\r\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\r\n item.unregisterVisibilityWatcher();\r\n delete item.unregisterVisibilityWatcher;\r\n }\r\n });\r\n if (!pending.length) {\r\n $timeout(() => adjustBuffer());\r\n }\r\n }\r\n }\r\n\r\n function insertWrapperContent(wrapper, insertAfter) {\r\n createElement(wrapper, insertAfter, viewport.insertElement);\r\n if (!isElementVisible(wrapper)) {\r\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\r\n }\r\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\r\n }\r\n\r\n function createElement(wrapper, insertAfter, insertElement) {\r\n let promises = null;\r\n const sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\r\n linker((clone, scope) => {\r\n promises = insertElement(clone, sibling);\r\n wrapper.element = clone;\r\n wrapper.scope = scope;\r\n scope[itemName] = wrapper.item;\r\n });\r\n // ui-scroll-grid apply\r\n if (adapter.transform) {\r\n const tdInitializer = wrapper.scope.uiScrollTdInitializer;\r\n if (tdInitializer && tdInitializer.linking) {\r\n adapter.transform(wrapper.scope, wrapper.element);\r\n } else {\r\n wrapper.scope.uiScrollTdInitializer = {\r\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\r\n scope: wrapper.scope\r\n };\r\n }\r\n }\r\n return promises;\r\n }\r\n\r\n function updateDOM() {\r\n let promises = [];\r\n const toBePrepended = [];\r\n const toBeRemoved = [];\r\n const inserted = [];\r\n\r\n buffer.forEach((wrapper, i) => {\r\n switch (wrapper.op) {\r\n case 'prepend':\r\n toBePrepended.unshift(wrapper);\r\n break;\r\n case 'append':\r\n insertWrapperContent(wrapper, i);\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'insert':\r\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'remove':\r\n toBeRemoved.push(wrapper);\r\n }\r\n });\r\n\r\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\r\n\r\n if (toBePrepended.length)\r\n toBePrepended.forEach((wrapper) => {\r\n insertWrapperContent(wrapper);\r\n wrapper.op = 'none';\r\n });\r\n\r\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\r\n\r\n return {\r\n prepended: toBePrepended,\r\n removed: toBeRemoved,\r\n inserted: inserted,\r\n animated: promises\r\n };\r\n\r\n }\r\n\r\n function updatePaddings(rid, updates) {\r\n // schedule another adjustBuffer after animation completion\r\n if (updates.animated.length) {\r\n $q.all(updates.animated).then(() => {\r\n viewport.adjustPaddings();\r\n adjustBuffer(rid);\r\n });\r\n } else {\r\n viewport.adjustPaddings();\r\n }\r\n }\r\n\r\n function enqueueFetch(rid, updates) {\r\n if (viewport.shouldLoadBottom()) {\r\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n if (pending.push(true) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n } else if (viewport.shouldLoadTop()) {\r\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\r\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\r\n if (pending.push(false) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n }\r\n }\r\n\r\n function processUpdates() {\r\n const updates = updateDOM();\r\n\r\n // We need the item bindings to be processed before we can do adjustments\r\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\r\n\r\n updates.inserted.forEach(w => elementRoutines.showElement(w));\r\n updates.prepended.forEach(w => elementRoutines.showElement(w));\r\n return updates;\r\n }\r\n\r\n function adjustBuffer(rid) {\r\n if (!rid) { // dismiss pending requests\r\n pending = [];\r\n rid = ++ridActual;\r\n }\r\n\r\n const updates = processUpdates();\r\n\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n updatePaddings(rid, updates);\r\n enqueueFetch(rid);\r\n\r\n if (!pending.length) {\r\n adapter.calculateProperties();\r\n }\r\n }\r\n\r\n function 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function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap c375cae6a6936ee30930","class Adapter {\r\n\r\n constructor($scope, $parse, $attr, viewport, buffer, doAdjust, reload) {\r\n this.$parse = $parse;\r\n this.$attr = $attr;\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n\r\n this.doAdjust = doAdjust;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter);\r\n this.generatePublicContext();\r\n }\r\n\r\n assignAdapter(adapterAttr) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let adapterOnScope;\r\n\r\n try {\r\n this.$parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = this.$parse(adapterAttr)(this.startScope);\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n Object.assign(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext() {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = this.$attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n this.$parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.doAdjust() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this.isLoading = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.doAdjust();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.doAdjust();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (typeof arg1 === 'function') {\r\n this.applyUpdatesFunc(arg1);\r\n } else {\r\n this.applyUpdatesIndex(arg1, arg2);\r\n }\r\n this.doAdjust();\r\n }\r\n\r\n applyUpdatesFunc(cb) {\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n }\r\n\r\n applyUpdatesIndex(index, newItems) {\r\n if (index % 1 !== 0) {\r\n throw new Error('applyUpdates - ' + index + ' is not a valid index (should be an integer)');\r\n }\r\n const _index = index - this.buffer.first;\r\n\r\n // apply updates only within buffer\r\n if (_index >= 0 && _index < this.buffer.length) {\r\n this.applyUpdate(this.buffer[_index], newItems);\r\n }\r\n // out-of-buffer case: deletion may affect Paddings\r\n else if(index >= this.buffer.getAbsMinIndex() && index <= this.buffer.getAbsMaxIndex()) {\r\n if(Array.isArray(newItems) && !newItems.length) {\r\n this.viewport.removeCacheItem(index, index === this.buffer.minIndex);\r\n if(index === this.buffer.getAbsMinIndex()) {\r\n this.buffer.incrementMinIndex();\r\n }\r\n else {\r\n this.buffer.decrementMaxIndex();\r\n }\r\n }\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!Array.isArray(newItems)) {\r\n return;\r\n }\r\n let position = this.buffer.indexOf(wrapper);\r\n if (!newItems.reverse().some(newItem => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize, startIndex) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n Object.assign(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (Number.isInteger(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop' && buffer.first === this.getAbsMinIndex()) {\r\n this.incrementMinIndex();\r\n }\r\n else {\r\n this.decrementMaxIndex();\r\n }\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n incrementMinIndex() {\r\n if(buffer.minIndexUser !== null) {\r\n if(buffer.minIndex > buffer.minIndexUser) {\r\n buffer.minIndexUser++;\r\n return;\r\n }\r\n if(buffer.minIndex === buffer.minIndexUser) {\r\n buffer.minIndexUser++;\r\n }\r\n }\r\n buffer.minIndex++;\r\n },\r\n\r\n decrementMaxIndex() {\r\n if(buffer.maxIndexUser !== null && buffer.maxIndex <= buffer.maxIndexUser) {\r\n buffer.maxIndexUser--;\r\n }\r\n buffer.maxIndex--;\r\n },\r\n\r\n getAbsMinIndex() {\r\n if(buffer.minIndexUser !== null) {\r\n return Math.min(buffer.minIndexUser, buffer.minIndex);\r\n }\r\n return buffer.minIndex;\r\n },\r\n\r\n getAbsMaxIndex() {\r\n if(buffer.maxIndexUser !== null) {\r\n return Math.max(buffer.maxIndexUser, buffer.maxIndex);\r\n }\r\n return buffer.maxIndex;\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n buffer.reset(startIndex);\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n const isValueDefined = typeof value !== 'undefined';\r\n if (isWindow(elem)) {\r\n if (isValueDefined) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (isValueDefined) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (typeof value !== 'undefined') {\r\n if (Number.isInteger(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n Object.assign(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding.element);\r\n element.after(bottomPadding.element);\r\n topPadding.height(0);\r\n bottomPadding.height(0);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (!container) {\r\n return true;\r\n }\r\n if(container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n return viewport.height() > 0;\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding.element);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding.element);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation based on items that are in buffer or that were in buffer once\r\n const visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n\r\n let topPaddingHeight = 0, topCount = 0;\r\n topPadding.cache.forEach(item => {\r\n if(item.index < buffer.first) {\r\n topPaddingHeight += item.height;\r\n topCount++;\r\n }\r\n });\r\n\r\n let bottomPaddingHeight = 0, bottomCount = 0;\r\n bottomPadding.cache.forEach(item => {\r\n if(item.index >= buffer.next) {\r\n bottomPaddingHeight += item.height;\r\n bottomCount++;\r\n }\r\n });\r\n\r\n const totalHeight = visibleItemsHeight + topPaddingHeight + bottomPaddingHeight;\r\n const averageItemHeight = totalHeight / (topCount + bottomCount + buffer.length);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n while((diff -= viewport.scrollTop()) > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeCacheItem(item, isTop) {\r\n topPadding.cache.remove(item, isTop);\r\n bottomPadding.cache.remove(item, isTop);\r\n },\r\n\r\n removeItem(item) {\r\n this.removeCacheItem(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(argument, _isTop) {\r\n const index = argument % 1 === 0 ? argument : argument.scope.$index;\r\n const isTop = argument % 1 === 0 ? _isTop : argument._op === 'isTop';\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(!isTop) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nfunction generateElement(template) {\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n let element;\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n element = table.find('tr');\r\n break;\r\n case 'li':\r\n element = angular.element('
  • ');\r\n break;\r\n default:\r\n element = angular.element('
    ');\r\n }\r\n return element;\r\n}\r\n\r\nclass Padding {\r\n constructor(template) {\r\n this.element = generateElement(template);\r\n this.cache = new Cache();\r\n }\r\n\r\n height() {\r\n return this.element.height.apply(this.element, arguments);\r\n }\r\n}\r\n\r\nexport default Padding;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\r\nimport ElementRoutines from './modules/elementRoutines.js';\r\nimport ScrollBuffer from './modules/buffer.js';\r\nimport Viewport from './modules/viewport.js';\r\nimport Adapter from './modules/adapter.js';\r\n\r\nangular.module('ui.scroll', [])\r\n\r\n .service('jqLiteExtras', () => new JQLiteExtras())\r\n .run(['jqLiteExtras', (jqLiteExtras) =>\r\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\r\n ])\r\n\r\n .directive('uiScrollViewport', function () {\r\n return {\r\n restrict: 'A',\r\n controller: [\r\n '$scope',\r\n '$element',\r\n function (scope, element) {\r\n this.container = element;\r\n this.viewport = element;\r\n this.scope = scope;\r\n\r\n angular.forEach(element.children(), child => {\r\n if (child.tagName.toLowerCase() === 'tbody') {\r\n this.viewport = angular.element(child);\r\n }\r\n });\r\n\r\n return this;\r\n }\r\n ]\r\n };\r\n })\r\n\r\n .directive('uiScroll', [\r\n '$log',\r\n '$injector',\r\n '$rootScope',\r\n '$timeout',\r\n '$interval',\r\n '$q',\r\n '$parse',\r\n function (console, $injector, $rootScope, $timeout, $interval, $q, $parse) {\r\n\r\n return {\r\n require: ['?^uiScrollViewport'],\r\n restrict: 'A',\r\n transclude: 'element',\r\n priority: 1000,\r\n terminal: true,\r\n link: link\r\n };\r\n\r\n function link($scope, element, $attr, controllers, linker) {\r\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\r\n if (!match) {\r\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\r\n }\r\n\r\n function parseNumericAttr(value, defaultValue) {\r\n const result = $parse(value)($scope);\r\n return isNaN(result) ? defaultValue : result;\r\n }\r\n\r\n const BUFFER_MIN = 3;\r\n const BUFFER_DEFAULT = 10;\r\n const PADDING_MIN = 0.3;\r\n const PADDING_DEFAULT = 0.5;\r\n const MAX_VIEWPORT_DELAY = 500;\r\n const VIEWPORT_POLLING_INTERVAL = 50;\r\n\r\n let datasource = null;\r\n const itemName = match[1];\r\n const datasourceName = match[2];\r\n const viewportController = controllers[0];\r\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\r\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\r\n let startIndex = parseNumericAttr($attr.startIndex, 1);\r\n let ridActual = 0; // current data revision id\r\n let pending = [];\r\n\r\n const elementRoutines = new ElementRoutines($injector, $q);\r\n const buffer = new ScrollBuffer(elementRoutines, bufferSize, startIndex);\r\n const viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\r\n const adapter = new Adapter($scope, $parse, $attr, viewport, buffer, doAdjust, reload);\r\n\r\n if (viewportController) {\r\n viewportController.adapter = adapter;\r\n }\r\n\r\n const isDatasourceValid = () =>\r\n Object.prototype.toString.call(datasource) === '[object Object]' && typeof datasource.get === 'function';\r\n\r\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\r\n if (!isDatasourceValid()) {\r\n datasource = $injector.get(datasourceName); // try to inject datasource as service\r\n if (!isDatasourceValid()) {\r\n throw new Error(datasourceName + ' is not a valid datasource');\r\n }\r\n }\r\n\r\n let onRenderHandlers = [];\r\n function onRenderHandlersRunner() {\r\n onRenderHandlers.forEach(handler => handler.run());\r\n onRenderHandlers = [];\r\n }\r\n function persistDatasourceIndex(datasource, propName) {\r\n let getter;\r\n // need to postpone min/maxIndexUser processing if the view is empty\r\n if(Number.isInteger(datasource[propName])) {\r\n getter = datasource[propName];\r\n if(Number.isInteger(getter)) {\r\n onRenderHandlers = onRenderHandlers.filter(handler => handler.id !== propName);\r\n onRenderHandlers.push({\r\n id: propName,\r\n run: () => datasource[propName] = getter\r\n });\r\n }\r\n }\r\n }\r\n\r\n function defineDatasourceIndex(datasource, propName, propUserName) {\r\n const descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\r\n if (descriptor && (descriptor.set || descriptor.get)) {\r\n return;\r\n }\r\n let getter;\r\n persistDatasourceIndex(datasource, propName);\r\n Object.defineProperty(datasource, propName, {\r\n set: (value) => {\r\n getter = value;\r\n if(pending.length && !buffer.length) {\r\n persistDatasourceIndex(datasource, propName);\r\n return;\r\n }\r\n buffer[propUserName] = value;\r\n const topPaddingHeightOld = viewport.topDataPos();\r\n viewport.adjustPaddings();\r\n if (propName === 'minIndex') {\r\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\r\n }\r\n },\r\n get: () => getter\r\n });\r\n }\r\n\r\n defineDatasourceIndex(datasource, 'minIndex', 'minIndexUser');\r\n defineDatasourceIndex(datasource, 'maxIndex', 'maxIndexUser');\r\n\r\n const fetchNext = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.next, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.next,\r\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const fetchPrevious = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.first - bufferSize,\r\n prepend: buffer.length ? buffer[0].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const initialize = () => {\r\n let tryCount = 0;\r\n if(!viewport.applyContainerStyle()) {\r\n const timer = $interval(() => {\r\n tryCount++;\r\n if(viewport.applyContainerStyle()) {\r\n $interval.cancel(timer);\r\n doAdjust();\r\n }\r\n if(tryCount * VIEWPORT_POLLING_INTERVAL >= MAX_VIEWPORT_DELAY) {\r\n $interval.cancel(timer);\r\n throw Error(`ui-scroll directive requires a viewport with non-zero height in ${MAX_VIEWPORT_DELAY}ms`);\r\n }\r\n }, VIEWPORT_POLLING_INTERVAL);\r\n }\r\n else {\r\n doAdjust();\r\n }\r\n };\r\n\r\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\r\n linker((clone, scope) => {\r\n viewport.createPaddingElements(clone[0]);\r\n // we do not include the clone in the DOM. It means that the nested directives will not\r\n // be able to reach the parent directives, but in this case it is intentional because we\r\n // created the clone to access the template tag name\r\n scope.$destroy();\r\n clone.remove();\r\n });\r\n\r\n $scope.$on('$destroy', () => {\r\n unbindEvents();\r\n viewport.unbind('mousewheel', wheelHandler);\r\n });\r\n\r\n viewport.bind('mousewheel', wheelHandler);\r\n\r\n initialize();\r\n\r\n /* Private function definitions */\r\n\r\n function isInvalid(rid) {\r\n return (rid && rid !== ridActual) || $scope.$$destroyed;\r\n }\r\n\r\n function bindEvents() {\r\n viewport.bind('resize', resizeAndScrollHandler);\r\n viewport.bind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function unbindEvents() {\r\n viewport.unbind('resize', resizeAndScrollHandler);\r\n viewport.unbind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function reload() {\r\n viewport.resetTopPadding();\r\n viewport.resetBottomPadding();\r\n if (arguments.length) {\r\n startIndex = arguments[0];\r\n }\r\n buffer.reset(startIndex);\r\n persistDatasourceIndex(datasource, 'minIndex');\r\n persistDatasourceIndex(datasource, 'maxIndex');\r\n doAdjust();\r\n }\r\n\r\n function isElementVisible(wrapper) {\r\n return wrapper.element.height() && wrapper.element[0].offsetParent;\r\n }\r\n\r\n function visibilityWatcher(wrapper) {\r\n if (isElementVisible(wrapper)) {\r\n buffer.forEach((item) => {\r\n if (typeof item.unregisterVisibilityWatcher === 'function') {\r\n item.unregisterVisibilityWatcher();\r\n delete item.unregisterVisibilityWatcher;\r\n }\r\n });\r\n if (!pending.length) {\r\n $timeout(() => doAdjust());\r\n }\r\n }\r\n }\r\n\r\n function insertWrapperContent(wrapper, insertAfter) {\r\n createElement(wrapper, insertAfter, viewport.insertElement);\r\n if (!isElementVisible(wrapper)) {\r\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\r\n }\r\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\r\n }\r\n\r\n function createElement(wrapper, insertAfter, insertElement) {\r\n let promises = null;\r\n const sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\r\n linker((clone, scope) => {\r\n promises = insertElement(clone, sibling);\r\n wrapper.element = clone;\r\n wrapper.scope = scope;\r\n scope[itemName] = wrapper.item;\r\n });\r\n // ui-scroll-grid apply\r\n if (adapter.transform) {\r\n const tdInitializer = wrapper.scope.uiScrollTdInitializer;\r\n if (tdInitializer && tdInitializer.linking) {\r\n adapter.transform(wrapper.scope, wrapper.element);\r\n } else {\r\n wrapper.scope.uiScrollTdInitializer = {\r\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\r\n scope: wrapper.scope\r\n };\r\n }\r\n }\r\n return promises;\r\n }\r\n\r\n function updateDOM() {\r\n let promises = [];\r\n const toBePrepended = [];\r\n const toBeRemoved = [];\r\n const inserted = [];\r\n\r\n buffer.forEach((wrapper, i) => {\r\n switch (wrapper.op) {\r\n case 'prepend':\r\n toBePrepended.unshift(wrapper);\r\n break;\r\n case 'append':\r\n insertWrapperContent(wrapper, i);\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'insert':\r\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'remove':\r\n toBeRemoved.push(wrapper);\r\n }\r\n });\r\n\r\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\r\n\r\n if (toBePrepended.length)\r\n toBePrepended.forEach((wrapper) => {\r\n insertWrapperContent(wrapper);\r\n wrapper.op = 'none';\r\n });\r\n\r\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\r\n\r\n return {\r\n prepended: toBePrepended,\r\n removed: toBeRemoved,\r\n inserted: inserted,\r\n animated: promises\r\n };\r\n\r\n }\r\n\r\n function updatePaddings(rid, updates) {\r\n // schedule another doAdjust after animation completion\r\n if (updates.animated.length) {\r\n $q.all(updates.animated).then(() => {\r\n viewport.adjustPaddings();\r\n doAdjust(rid);\r\n });\r\n } else {\r\n viewport.adjustPaddings();\r\n }\r\n }\r\n\r\n function enqueueFetch(rid, updates) {\r\n if (viewport.shouldLoadBottom()) {\r\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n if (pending.push(true) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n } else if (viewport.shouldLoadTop()) {\r\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\r\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\r\n if (pending.push(false) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n }\r\n }\r\n\r\n function processUpdates() {\r\n const updates = updateDOM();\r\n\r\n // We need the item bindings to be processed before we can do adjustments\r\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\r\n\r\n updates.inserted.forEach(w => elementRoutines.showElement(w));\r\n updates.prepended.forEach(w => elementRoutines.showElement(w));\r\n return updates;\r\n }\r\n\r\n function doAdjust(rid) {\r\n if (!rid) { // dismiss pending requests\r\n pending = [];\r\n rid = ++ridActual;\r\n }\r\n\r\n const updates = processUpdates();\r\n\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n updatePaddings(rid, updates);\r\n enqueueFetch(rid);\r\n\r\n if (!pending.length) {\r\n adapter.calculateProperties();\r\n }\r\n }\r\n\r\n function doAdjustAfterFetch(rid) {\r\n const updates = processUpdates();\r\n\r\n viewport.onAfterPrepend(updates);\r\n\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n updatePaddings(rid, updates);\r\n onRenderHandlersRunner();\r\n enqueueFetch(rid, updates);\r\n pending.shift();\r\n\r\n if (pending.length)\r\n fetch(rid);\r\n else {\r\n adapter.loading(false);\r\n bindEvents();\r\n adapter.calculateProperties();\r\n }\r\n }\r\n\r\n function fetch(rid) {\r\n if (pending[0]) {// scrolling down\r\n if (buffer.length && !viewport.shouldLoadBottom()) {\r\n doAdjustAfterFetch(rid);\r\n } else {\r\n fetchNext((result) => {\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n if (result.length < bufferSize) {\r\n buffer.eof = true;\r\n }\r\n\r\n if (result.length > 0) {\r\n viewport.clipTop();\r\n buffer.append(result);\r\n }\r\n\r\n doAdjustAfterFetch(rid);\r\n });\r\n }\r\n } else { // scrolling up\r\n if (buffer.length && !viewport.shouldLoadTop()) {\r\n doAdjustAfterFetch(rid);\r\n } else {\r\n 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this.buffer.prepend(newItems);\n this.adjustBuffer();\n this.viewport.clipTop();\n this.viewport.clipBottom();\n }\n }, {\n key: 'applyUpdates',\n value: function applyUpdates(arg1, arg2) {\n if (angular.isFunction(arg1)) {\n this.applyUpdatesFunc(arg1);\n } else {\n this.applyUpdatesIndex(arg1, arg2);\n }\n this.adjustBuffer();\n }\n }, {\n key: 'applyUpdatesFunc',\n value: function applyUpdatesFunc(cb) {\n var _this2 = this;\n\n this.buffer.slice(0).forEach(function (wrapper) {\n // we need to do it on the buffer clone, because buffer content\n // may change as we iterate through\n _this2.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\n });\n }\n }, {\n key: 'applyUpdatesIndex',\n value: function applyUpdatesIndex(index, newItems) {\n if (index % 1 !== 0) {\n throw new Error('applyUpdates - ' + index + ' is not a valid index (should be an integer)');\n }\n var _index = index - this.buffer.first;\n\n // apply updates only within buffer\n if (_index >= 0 && _index < this.buffer.length) {\n this.applyUpdate(this.buffer[_index], newItems);\n }\n // out-of-buffer case: deletion may affect Paddings\n else if (index >= this.buffer.getAbsMinIndex() && index <= this.buffer.getAbsMaxIndex()) {\n if (angular.isArray(newItems) && !newItems.length) {\n this.viewport.removeCacheItem(index, index === this.buffer.minIndex);\n if (index === this.buffer.getAbsMinIndex()) {\n this.buffer.incrementMinIndex();\n } else {\n this.buffer.decrementMaxIndex();\n }\n }\n }\n }\n }, {\n key: 'applyUpdate',\n value: function applyUpdate(wrapper, newItems) {\n var _this3 = this;\n\n if (!angular.isArray(newItems)) {\n return;\n }\n var position = this.buffer.indexOf(wrapper);\n if (!newItems.reverse().some(function (newItem) {\n return newItem === wrapper.item;\n })) {\n wrapper.op = 'remove';\n if (position === 0 && !newItems.length) {\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\n }\n }\n newItems.forEach(function (newItem) {\n if (newItem === wrapper.item) {\n position--;\n } else {\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\n _this3.buffer.insert(position + 1, newItem, position === -1);\n }\n });\n }\n }, {\n key: 'calculateProperties',\n value: function calculateProperties() {\n var rowTop = null,\n topHeight = 0;\n var topDone = false,\n bottomDone = false;\n var length = this.buffer.length;\n\n for (var i = 0; i < length; i++) {\n var item = this.buffer[i];\n var itemTop = item.element.offset().top;\n\n if (rowTop !== itemTop) {\n // a new row condition\n var itemHeight = item.element.outerHeight(true);\n var top = this.viewport.topDataPos() + topHeight + itemHeight;\n\n if (!topDone && top > this.viewport.topVisiblePos()) {\n topDone = true;\n this['topVisible'] = item.item;\n this['topVisibleElement'] = item.element;\n this['topVisibleScope'] = item.scope;\n }\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || i === length - 1 && this.isEOF())) {\n bottomDone = true;\n this['bottomVisible'] = item.item;\n this['bottomVisibleElement'] = item.element;\n this['bottomVisibleScope'] = item.scope;\n }\n topHeight += itemHeight;\n }\n rowTop = itemTop;\n\n if (topDone && bottomDone) {\n break;\n }\n }\n }\n }]);\n\n return Adapter;\n}();\n\nexports.default = Adapter;\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = ScrollBuffer;\nfunction ScrollBuffer(elementRoutines, bufferSize) {\n var buffer = Object.create(Array.prototype);\n\n angular.extend(buffer, {\n size: bufferSize,\n\n reset: function reset(startIndex) {\n buffer.remove(0, buffer.length);\n buffer.eof = false;\n buffer.bof = false;\n buffer.first = startIndex;\n buffer.next = startIndex;\n buffer.minIndex = startIndex;\n buffer.maxIndex = startIndex;\n buffer.minIndexUser = null;\n buffer.maxIndexUser = null;\n },\n append: function append(items) {\n items.forEach(function (item) {\n ++buffer.next;\n buffer.insert('append', item);\n });\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\n },\n prepend: function prepend(items) {\n items.reverse().forEach(function (item) {\n --buffer.first;\n buffer.insert('prepend', item);\n });\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\n },\n\n\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\n insert: function insert(operation, item, isTop) {\n var wrapper = {\n item: item\n };\n\n if (operation % 1 === 0) {\n // it is an insert\n wrapper.op = 'insert';\n buffer.splice(operation, 0, wrapper);\n if (isTop) {\n buffer.first--;\n } else {\n buffer.next++;\n }\n } else {\n wrapper.op = operation;\n switch (operation) {\n case 'append':\n buffer.push(wrapper);\n break;\n case 'prepend':\n buffer.unshift(wrapper);\n break;\n }\n }\n },\n\n\n // removes elements from buffer\n remove: function remove(arg1, arg2) {\n if (angular.isNumber(arg1)) {\n // removes items from arg1 (including) through arg2 (excluding)\n for (var i = arg1; i < arg2; i++) {\n elementRoutines.removeElement(buffer[i]);\n }\n\n return buffer.splice(arg1, arg2 - arg1);\n }\n // removes single item(wrapper) from the buffer\n buffer.splice(buffer.indexOf(arg1), 1);\n if (arg1._op === 'isTop' && buffer.first === this.getAbsMinIndex()) {\n this.incrementMinIndex();\n } else {\n this.decrementMaxIndex();\n }\n if (arg1._op === 'isTop') {\n buffer.first++;\n } else {\n buffer.next--;\n }\n if (!buffer.length) {\n buffer.first = 1;\n buffer.next = 1;\n }\n\n return elementRoutines.removeElementAnimated(arg1);\n },\n incrementMinIndex: function incrementMinIndex() {\n if (buffer.minIndexUser !== null) {\n if (buffer.minIndex > buffer.minIndexUser) {\n buffer.minIndexUser++;\n return;\n }\n if (buffer.minIndex === buffer.minIndexUser) {\n buffer.minIndexUser++;\n }\n }\n buffer.minIndex++;\n },\n decrementMaxIndex: function decrementMaxIndex() {\n if (buffer.maxIndexUser !== null && buffer.maxIndex <= buffer.maxIndexUser) {\n buffer.maxIndexUser--;\n }\n buffer.maxIndex--;\n },\n getAbsMinIndex: function getAbsMinIndex() {\n if (buffer.minIndexUser !== null) {\n return Math.min(buffer.minIndexUser, buffer.minIndex);\n }\n return buffer.minIndex;\n },\n getAbsMaxIndex: function getAbsMaxIndex() {\n if (buffer.maxIndexUser !== null) {\n return Math.max(buffer.maxIndexUser, buffer.maxIndex);\n }\n return buffer.maxIndex;\n },\n effectiveHeight: function effectiveHeight(elements) {\n if (!elements.length) {\n return 0;\n }\n var top = Number.MAX_VALUE;\n var bottom = Number.NEGATIVE_INFINITY;\n elements.forEach(function (wrapper) {\n if (wrapper.element[0].offsetParent) {\n // element style is not display:none\n top = Math.min(top, wrapper.element.offset().top);\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\n }\n });\n return Math.max(0, bottom - top);\n }\n });\n\n return buffer;\n}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar hideClassToken = 'ng-ui-scroll-hide';\n\nfunction addCSSRule(sheet, selector, rules, index) {\n if ('insertRule' in sheet) {\n sheet.insertRule(selector + '{' + rules + '}', index);\n } else if ('addRule' in sheet) {\n sheet.addRule(selector, rules, index);\n }\n}\n\nvar ElementRoutines = function () {\n function ElementRoutines($injector, $q) {\n _classCallCheck(this, ElementRoutines);\n\n this.$animate = $injector.has && $injector.has('$animate') ? $injector.get('$animate') : null;\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\n this.$q = $q;\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\n }\n\n _createClass(ElementRoutines, [{\n key: 'hideElement',\n value: function hideElement(wrapper) {\n wrapper.element.addClass(hideClassToken);\n }\n }, {\n key: 'showElement',\n value: function showElement(wrapper) {\n wrapper.element.removeClass(hideClassToken);\n }\n }, {\n key: 'insertElement',\n value: function insertElement(newElement, previousElement) {\n previousElement.after(newElement);\n return [];\n }\n }, {\n key: 'removeElement',\n value: function removeElement(wrapper) {\n wrapper.element.remove();\n wrapper.scope.$destroy();\n return [];\n }\n }, {\n key: 'insertElementAnimated',\n value: function insertElementAnimated(newElement, previousElement) {\n if (!this.$animate) {\n return this.insertElement(newElement, previousElement);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n // no need for parent - previous element is never null\n this.$animate.enter(newElement, null, previousElement, function () {\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n // no need for parent - previous element is never null\n return [this.$animate.enter(newElement, null, previousElement)];\n }\n }, {\n key: 'removeElementAnimated',\n value: function removeElementAnimated(wrapper) {\n if (!this.$animate) {\n return this.removeElement(wrapper);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n this.$animate.leave(wrapper.element, function () {\n wrapper.scope.$destroy();\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n return [this.$animate.leave(wrapper.element).then(function () {\n return wrapper.scope.$destroy();\n })];\n }\n }]);\n\n return ElementRoutines;\n}();\n\nexports.default = ElementRoutines;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\n\nvar JQLiteExtras = function () {\n function JQLiteExtras() {\n _classCallCheck(this, JQLiteExtras);\n }\n\n _createClass(JQLiteExtras, [{\n key: 'registerFor',\n value: function registerFor(element) {\n var convertToPx = void 0,\n css = void 0,\n getStyle = void 0,\n isWindow = void 0;\n // angular implementation blows up if elem is the window\n css = angular.element.prototype.css;\n\n element.prototype.css = function (name, value) {\n var self = this;\n var elem = self[0];\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\n return css.call(self, name, value);\n }\n };\n\n // as defined in angularjs v1.0.5\n isWindow = function isWindow(obj) {\n return obj && obj.document && obj.location && obj.alert && obj.setInterval;\n };\n\n function scrollTo(self, direction, value) {\n var elem = self[0];\n\n var _top$left$direction = _slicedToArray({\n top: ['scrollTop', 'pageYOffset', 'scrollLeft'],\n left: ['scrollLeft', 'pageXOffset', 'scrollTop']\n }[direction], 3),\n method = _top$left$direction[0],\n prop = _top$left$direction[1],\n preserve = _top$left$direction[2];\n\n if (isWindow(elem)) {\n if (angular.isDefined(value)) {\n return elem.scrollTo(self[preserve].call(self), value);\n }\n return prop in elem ? elem[prop] : elem.document.documentElement[method];\n } else {\n if (angular.isDefined(value)) {\n elem[method] = value;\n }\n return elem[method];\n }\n }\n\n if (window.getComputedStyle) {\n getStyle = function getStyle(elem) {\n return window.getComputedStyle(elem, null);\n };\n convertToPx = function convertToPx(elem, value) {\n return parseFloat(value);\n };\n } else {\n getStyle = function getStyle(elem) {\n return elem.currentStyle;\n };\n convertToPx = function convertToPx(elem, value) {\n var left = void 0,\n result = void 0,\n rs = void 0,\n rsLeft = void 0,\n style = void 0;\n var core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\n var rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\n\n if (!rnumnonpx.test(value)) {\n return parseFloat(value);\n }\n\n // ported from JQuery\n style = elem.style;\n left = style.left;\n rs = elem.runtimeStyle;\n rsLeft = rs && rs.left;\n if (rs) {\n rs.left = style.left;\n }\n // put in the new values to get a computed style out\n style.left = value;\n result = style.pixelLeft;\n style.left = left;\n if (rsLeft) {\n rs.left = rsLeft;\n }\n return result;\n };\n }\n\n function getMeasurements(elem, measure) {\n var base = void 0,\n borderA = void 0,\n borderB = void 0,\n computedMarginA = void 0,\n computedMarginB = void 0,\n computedStyle = void 0,\n dirA = void 0,\n dirB = void 0,\n marginA = void 0,\n marginB = void 0,\n paddingA = void 0,\n paddingB = void 0;\n\n if (isWindow(elem)) {\n base = document.documentElement[{ height: 'clientHeight', width: 'clientWidth' }[measure]];\n\n return {\n base: base,\n padding: 0,\n border: 0,\n margin: 0\n };\n }\n\n // Start with offset property\n\n var _width$height$measure = _slicedToArray({\n width: [elem.offsetWidth, 'Left', 'Right'],\n height: [elem.offsetHeight, 'Top', 'Bottom']\n }[measure], 3);\n\n base = _width$height$measure[0];\n dirA = _width$height$measure[1];\n dirB = _width$height$measure[2];\n\n\n computedStyle = getStyle(elem);\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\n computedMarginA = computedStyle['margin' + dirA];\n computedMarginB = computedStyle['margin' + dirB];\n\n // I do not care for width for now, so this hack is irrelevant\n // if ( !supportsPercentMargin )\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\n marginA = convertToPx(elem, computedMarginA) || 0;\n marginB = convertToPx(elem, computedMarginB) || 0;\n\n return {\n base: base,\n padding: paddingA + paddingB,\n border: borderA + borderB,\n margin: marginA + marginB\n };\n }\n\n function getWidthHeight(elem, direction, measure) {\n var computedStyle = void 0,\n result = void 0;\n\n var measurements = getMeasurements(elem, direction);\n\n if (measurements.base > 0) {\n return {\n base: measurements.base - measurements.padding - measurements.border,\n outer: measurements.base,\n outerfull: measurements.base + measurements.margin\n }[measure];\n }\n\n // Fall back to computed then uncomputed css if necessary\n computedStyle = getStyle(elem);\n result = computedStyle[direction];\n\n if (result < 0 || result === null) {\n result = elem.style[direction] || 0;\n }\n\n // Normalize \"\", auto, and prepare for extra\n result = parseFloat(result) || 0;\n\n return {\n base: result - measurements.padding - measurements.border,\n outer: result,\n outerfull: result + measurements.padding + measurements.border + measurements.margin\n }[measure];\n }\n\n // define missing methods\n return angular.forEach({\n before: function before(newElem) {\n var children, elem, i, j, parent, ref, self;\n self = this;\n elem = self[0];\n parent = self.parent();\n children = parent.contents();\n if (children[0] === elem) {\n return parent.prepend(newElem);\n } else {\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\n if (children[i] === elem) {\n angular.element(children[i - 1]).after(newElem);\n return;\n }\n }\n throw new Error('invalid DOM structure ' + elem.outerHTML);\n }\n },\n height: function height(value) {\n var self;\n self = this;\n if (angular.isDefined(value)) {\n if (angular.isNumber(value)) {\n value = value + 'px';\n }\n return css.call(self, 'height', value);\n } else {\n return getWidthHeight(this[0], 'height', 'base');\n }\n },\n outerHeight: function outerHeight(option) {\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\n },\n outerWidth: function outerWidth(option) {\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\n },\n\n\n /*\r\n The offset setter method is not implemented\r\n */\n offset: function offset(value) {\n var docElem = void 0,\n win = void 0;\n var self = this;\n var box = {\n top: 0,\n left: 0\n };\n var elem = self[0];\n var doc = elem && elem.ownerDocument;\n\n if (arguments.length) {\n if (value === undefined) {\n return self;\n }\n // TODO: implement setter\n throw new Error('offset setter method is not implemented');\n }\n\n if (!doc) {\n return;\n }\n\n docElem = doc.documentElement;\n\n // TODO: Make sure it's not a disconnected DOM node\n\n if (elem.getBoundingClientRect != null) {\n box = elem.getBoundingClientRect();\n }\n\n win = doc.defaultView || doc.parentWindow;\n\n return {\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\n };\n },\n scrollTop: function scrollTop(value) {\n return scrollTo(this, 'top', value);\n },\n scrollLeft: function scrollLeft(value) {\n return scrollTo(this, 'left', value);\n }\n }, function (value, key) {\n if (!element.prototype[key]) {\n return element.prototype[key] = value;\n }\n });\n }\n }]);\n\n return JQLiteExtras;\n}();\n\nexports.default = JQLiteExtras;\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = Viewport;\n\nvar _padding = __webpack_require__(5);\n\nvar _padding2 = _interopRequireDefault(_padding);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\n var topPadding = null;\n var bottomPadding = null;\n var viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\n var container = viewportController && viewportController.container ? viewportController.container : undefined;\n var scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\n\n viewport.css({\n 'overflow-anchor': 'none',\n 'overflow-y': 'auto',\n 'display': 'block'\n });\n\n function bufferPadding() {\n return viewport.outerHeight() * padding; // some extra space to initiate preload\n }\n\n angular.extend(viewport, {\n getScope: function getScope() {\n return scope;\n },\n createPaddingElements: function createPaddingElements(template) {\n topPadding = new _padding2.default(template);\n bottomPadding = new _padding2.default(template);\n element.before(topPadding.element);\n element.after(bottomPadding.element);\n topPadding.height(0);\n bottomPadding.height(0);\n },\n applyContainerStyle: function applyContainerStyle() {\n if (!container) {\n return true;\n }\n if (container !== viewport) {\n viewport.css('height', window.getComputedStyle(container[0]).height);\n }\n return viewport.height() > 0;\n },\n bottomDataPos: function bottomDataPos() {\n var scrollHeight = viewport[0].scrollHeight;\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\n return scrollHeight - bottomPadding.height();\n },\n topDataPos: function topDataPos() {\n return topPadding.height();\n },\n bottomVisiblePos: function bottomVisiblePos() {\n return viewport.scrollTop() + viewport.outerHeight();\n },\n topVisiblePos: function topVisiblePos() {\n return viewport.scrollTop();\n },\n insertElement: function insertElement(e, sibling) {\n return elementRoutines.insertElement(e, sibling || topPadding.element);\n },\n insertElementAnimated: function insertElementAnimated(e, sibling) {\n return elementRoutines.insertElementAnimated(e, sibling || topPadding.element);\n },\n shouldLoadBottom: function shouldLoadBottom() {\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\n },\n clipBottom: function clipBottom() {\n // clip the invisible items off the bottom\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\n\n for (var i = buffer.length - 1; i >= 0; i--) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n bottomPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n buffer.eof = false;\n buffer.remove(buffer.length - overage, buffer.length);\n buffer.next -= overage;\n viewport.adjustPaddings();\n }\n },\n shouldLoadTop: function shouldLoadTop() {\n return !buffer.bof && viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding();\n },\n clipTop: function clipTop() {\n // clip the invisible items off the top\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\n\n for (var i = 0; i < buffer.length; i++) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n topPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n // we need to adjust top padding element before items are removed from top\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\n topPadding.height(topPadding.height() + overageHeight);\n buffer.bof = false;\n buffer.remove(0, overage);\n buffer.first += overage;\n }\n },\n adjustPaddings: function adjustPaddings() {\n if (!buffer.length) {\n return;\n }\n\n // precise heights calculation based on items that are in buffer or that were in buffer once\n var visibleItemsHeight = buffer.reduce(function (summ, item) {\n return summ + item.element.outerHeight(true);\n }, 0);\n\n var topPaddingHeight = 0,\n topCount = 0;\n topPadding.cache.forEach(function (item) {\n if (item.index < buffer.first) {\n topPaddingHeight += item.height;\n topCount++;\n }\n });\n\n var bottomPaddingHeight = 0,\n bottomCount = 0;\n bottomPadding.cache.forEach(function (item) {\n if (item.index >= buffer.next) {\n bottomPaddingHeight += item.height;\n bottomCount++;\n }\n });\n\n var totalHeight = visibleItemsHeight + topPaddingHeight + bottomPaddingHeight;\n var averageItemHeight = totalHeight / (topCount + bottomCount + buffer.length);\n\n // average heights calculation, items that have never been reached\n var adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\n var adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\n var topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\n var bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\n\n // paddings combine adjustment\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\n },\n onAfterMinIndexSet: function onAfterMinIndexSet(topPaddingHeightOld) {\n // additional scrollTop adjustment in case of datasource.minIndex external set\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\n var diff = topPadding.height() - topPaddingHeightOld;\n viewport.scrollTop(viewport.scrollTop() + diff);\n diff -= viewport.scrollTop();\n if (diff > 0) {\n bottomPadding.height(bottomPadding.height() + diff);\n viewport.scrollTop(viewport.scrollTop() + diff);\n }\n }\n },\n onAfterPrepend: function onAfterPrepend(updates) {\n if (!updates.prepended.length) return;\n var height = buffer.effectiveHeight(updates.prepended);\n var paddingHeight = topPadding.height() - height;\n if (paddingHeight >= 0) {\n topPadding.height(paddingHeight);\n } else {\n topPadding.height(0);\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\n }\n },\n resetTopPadding: function resetTopPadding() {\n topPadding.height(0);\n topPadding.cache.clear();\n },\n resetBottomPadding: function resetBottomPadding() {\n bottomPadding.height(0);\n bottomPadding.cache.clear();\n },\n removeCacheItem: function removeCacheItem(item, isTop) {\n topPadding.cache.remove(item, isTop);\n bottomPadding.cache.remove(item, isTop);\n },\n removeItem: function removeItem(item) {\n this.removeCacheItem(item);\n return buffer.remove(item);\n }\n });\n\n return viewport;\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n// Can't just extend the Array, due to Babel does not support built-in classes extending\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\nvar CacheProto = function () {\n function CacheProto() {\n _classCallCheck(this, CacheProto);\n }\n\n _createClass(CacheProto, [{\n key: 'add',\n value: function add(item) {\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === item.scope.$index) {\n this[i].height = item.element.outerHeight();\n return;\n }\n }\n this.push({\n index: item.scope.$index,\n height: item.element.outerHeight()\n });\n this.sort(function (a, b) {\n return a.index < b.index ? -1 : a.index > b.index ? 1 : 0;\n });\n }\n }, {\n key: 'remove',\n value: function remove(argument, _isTop) {\n var index = argument % 1 === 0 ? argument : argument.scope.$index;\n var isTop = argument % 1 === 0 ? _isTop : argument._op === 'isTop';\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === index) {\n this.splice(i, 1);\n break;\n }\n }\n if (!isTop) {\n for (var _i = this.length - 1; _i >= 0; _i--) {\n if (this[_i].index > index) {\n this[_i].index--;\n }\n }\n }\n }\n }, {\n key: 'clear',\n value: function clear() {\n this.length = 0;\n }\n }]);\n\n return CacheProto;\n}();\n\nfunction Cache() {\n var instance = [];\n instance.push.apply(instance, arguments);\n Object.setPrototypeOf(instance, Cache.prototype);\n return instance;\n}\nCache.prototype = Object.create(Array.prototype);\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(function (methodName) {\n return Cache.prototype[methodName] = CacheProto.prototype[methodName];\n});\n\nfunction generateElement(template) {\n if (template.nodeType !== Node.ELEMENT_NODE) {\n throw new Error('ui-scroll directive requires an Element node for templating the view');\n }\n var element = void 0;\n switch (template.tagName.toLowerCase()) {\n case 'dl':\n throw new Error('ui-scroll directive does not support <' + template.tagName + '> as a repeating tag: ' + template.outerHTML);\n case 'tr':\n var table = angular.element('
    ');\n element = table.find('tr');\n break;\n case 'li':\n element = angular.element('
  • ');\n break;\n default:\n element = angular.element('
    ');\n }\n return element;\n}\n\nvar Padding = function () {\n function Padding(template) {\n _classCallCheck(this, Padding);\n\n this.element = generateElement(template);\n this.cache = new Cache();\n }\n\n _createClass(Padding, [{\n key: 'height',\n value: function height() {\n return this.element.height.apply(this.element, arguments);\n }\n }]);\n\n return Padding;\n}();\n\nexports.default = Padding;\n\n/***/ }),\n/* 6 */,\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar _jqLiteExtras = __webpack_require__(3);\n\nvar _jqLiteExtras2 = _interopRequireDefault(_jqLiteExtras);\n\nvar _elementRoutines = __webpack_require__(2);\n\nvar _elementRoutines2 = _interopRequireDefault(_elementRoutines);\n\nvar _buffer = __webpack_require__(1);\n\nvar _buffer2 = _interopRequireDefault(_buffer);\n\nvar _viewport = __webpack_require__(4);\n\nvar _viewport2 = _interopRequireDefault(_viewport);\n\nvar _adapter = __webpack_require__(0);\n\nvar _adapter2 = _interopRequireDefault(_adapter);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nangular.module('ui.scroll', []).service('jqLiteExtras', function () {\n return new _jqLiteExtras2.default();\n}).run(['jqLiteExtras', function (jqLiteExtras) {\n return !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null;\n}]).directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: ['$scope', '$element', function (scope, element) {\n var _this = this;\n\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), function (child) {\n if (child.tagName.toLowerCase() === 'tbody') {\n _this.viewport = angular.element(child);\n }\n });\n\n return this;\n }]\n };\n}).directive('uiScroll', ['$log', '$injector', '$rootScope', '$timeout', '$interval', '$q', '$parse', function (console, $injector, $rootScope, $timeout, $interval, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n var match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n var result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n var BUFFER_MIN = 3;\n var BUFFER_DEFAULT = 10;\n var PADDING_MIN = 0.3;\n var PADDING_DEFAULT = 0.5;\n var MAX_VIEWPORT_DELAY = 500;\n var VIEWPORT_POLLING_INTERVAL = 50;\n\n var datasource = null;\n var itemName = match[1];\n var datasourceName = match[2];\n var viewportController = controllers[0];\n var bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n var padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n var startIndex = parseNumericAttr($attr.startIndex, 1);\n var ridActual = 0; // current data revision id\n var pending = [];\n\n var elementRoutines = new _elementRoutines2.default($injector, $q);\n var buffer = new _buffer2.default(elementRoutines, bufferSize);\n var viewport = new _viewport2.default(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n var adapter = new _adapter2.default(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n var isDatasourceValid = function isDatasourceValid() {\n return angular.isObject(datasource) && angular.isFunction(datasource.get);\n };\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n var onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if (onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, function (handler) {\n return handler();\n });\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n var getter = void 0;\n // need to postpone min/maxIndexUser processing if the view is empty\n if (datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(function () {\n return datasource[propName] = getter;\n });\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n var descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n var getter = void 0;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: function set(value) {\n getter = value;\n buffer[propUserName] = value;\n var topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: function get() {\n return getter;\n }\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n var fetchNext = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.next, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n var fetchPrevious = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.first - bufferSize, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n var run = function run() {\n var tryCount = 0;\n if (!viewport.applyContainerStyle()) {\n var timer = $interval(function () {\n tryCount++;\n if (viewport.applyContainerStyle()) {\n $interval.cancel(timer);\n reload();\n }\n if (tryCount * VIEWPORT_POLLING_INTERVAL >= MAX_VIEWPORT_DELAY) {\n $interval.cancel(timer);\n throw Error('ui-scroll directive requires a viewport with non-zero height in ' + MAX_VIEWPORT_DELAY + 'ms');\n }\n }, VIEWPORT_POLLING_INTERVAL);\n } else {\n reload();\n }\n };\n\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\n linker(function (clone, scope) {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', function () {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n run();\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return rid && rid !== ridActual || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach(function (item) {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(function () {\n return adjustBuffer();\n });\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(function () {\n return visibilityWatcher(wrapper);\n });\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n var promises = null;\n var sibling = insertAfter > 0 ? buffer[insertAfter - 1].element : undefined;\n linker(function (clone, scope) {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n var tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: function onLink() {\n return adapter.transform(wrapper.scope, wrapper.element);\n },\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n var promises = [];\n var toBePrepended = [];\n var toBeRemoved = [];\n var inserted = [];\n\n buffer.forEach(function (wrapper, i) {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach(function (wrapper) {\n return promises = promises.concat(viewport.removeItem(wrapper));\n });\n\n if (toBePrepended.length) toBePrepended.forEach(function (wrapper) {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach(function (item, i) {\n return item.scope.$index = buffer.first + i;\n });\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(function () {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if (!updates || buffer.effectiveHeight(updates.prepended) > 0 || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n var updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n updates.prepended.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n return updates;\n }\n\n function adjustBuffer(rid) {\n if (!rid) {\n // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n var updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n var updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length) fetch(rid);else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {\n // scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else {\n // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n var scrollTop = viewport[0].scrollTop;\n var yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if (scrollTop === 0 && !buffer.bof || scrollTop === yMax && !buffer.eof) {\n event.preventDefault();\n }\n }\n }\n }\n}]);\n\n/***/ })\n/******/ ]);\n\n\n// WEBPACK FOOTER //\n// ui-scroll.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 6271f9d990c977b86e49","class Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let adapterOnScope;\r\n\r\n try {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n this.applyUpdatesFunc(arg1);\r\n } else {\r\n this.applyUpdatesIndex(arg1, arg2);\r\n }\r\n this.adjustBuffer();\r\n }\r\n\r\n applyUpdatesFunc(cb) {\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n }\r\n\r\n applyUpdatesIndex(index, newItems) {\r\n if (index % 1 !== 0) {\r\n throw new Error('applyUpdates - ' + index + ' is not a valid index (should be an integer)');\r\n }\r\n const _index = index - this.buffer.first;\r\n\r\n // apply updates only within buffer\r\n if (_index >= 0 && _index < this.buffer.length) {\r\n this.applyUpdate(this.buffer[_index], newItems);\r\n }\r\n // out-of-buffer case: deletion may affect Paddings\r\n else if(index >= this.buffer.getAbsMinIndex() && index <= this.buffer.getAbsMaxIndex()) {\r\n if(angular.isArray(newItems) && !newItems.length) {\r\n this.viewport.removeCacheItem(index, index === this.buffer.minIndex);\r\n if(index === this.buffer.getAbsMinIndex()) {\r\n this.buffer.incrementMinIndex();\r\n }\r\n else {\r\n this.buffer.decrementMaxIndex();\r\n }\r\n }\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n let position = this.buffer.indexOf(wrapper);\r\n if (!newItems.reverse().some(newItem => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop' && buffer.first === this.getAbsMinIndex()) {\r\n this.incrementMinIndex();\r\n }\r\n else {\r\n this.decrementMaxIndex();\r\n }\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n incrementMinIndex() {\r\n if(buffer.minIndexUser !== null) {\r\n if(buffer.minIndex > buffer.minIndexUser) {\r\n buffer.minIndexUser++;\r\n return;\r\n }\r\n if(buffer.minIndex === buffer.minIndexUser) {\r\n buffer.minIndexUser++;\r\n }\r\n }\r\n buffer.minIndex++;\r\n },\r\n\r\n decrementMaxIndex() {\r\n if(buffer.maxIndexUser !== null && buffer.maxIndex <= buffer.maxIndexUser) {\r\n buffer.maxIndexUser--;\r\n }\r\n buffer.maxIndex--;\r\n },\r\n\r\n getAbsMinIndex() {\r\n if(buffer.minIndexUser !== null) {\r\n return Math.min(buffer.minIndexUser, buffer.minIndex);\r\n }\r\n return buffer.minIndex;\r\n },\r\n\r\n getAbsMaxIndex() {\r\n if(buffer.maxIndexUser !== null) {\r\n return Math.max(buffer.maxIndexUser, buffer.maxIndex);\r\n }\r\n return buffer.maxIndex;\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding.element);\r\n element.after(bottomPadding.element);\r\n topPadding.height(0);\r\n bottomPadding.height(0);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (!container) {\r\n return true;\r\n }\r\n if(container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n return viewport.height() > 0;\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding.element);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding.element);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation based on items that are in buffer or that were in buffer once\r\n const visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n\r\n let topPaddingHeight = 0, topCount = 0;\r\n topPadding.cache.forEach(item => {\r\n if(item.index < buffer.first) {\r\n topPaddingHeight += item.height;\r\n topCount++;\r\n }\r\n });\r\n\r\n let bottomPaddingHeight = 0, bottomCount = 0;\r\n bottomPadding.cache.forEach(item => {\r\n if(item.index >= buffer.next) {\r\n bottomPaddingHeight += item.height;\r\n bottomCount++;\r\n }\r\n });\r\n\r\n const totalHeight = visibleItemsHeight + topPaddingHeight + bottomPaddingHeight;\r\n const averageItemHeight = totalHeight / (topCount + bottomCount + buffer.length);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeCacheItem(item, isTop) {\r\n topPadding.cache.remove(item, isTop);\r\n bottomPadding.cache.remove(item, isTop);\r\n },\r\n\r\n removeItem(item) {\r\n this.removeCacheItem(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(argument, _isTop) {\r\n const index = argument % 1 === 0 ? argument : argument.scope.$index;\r\n const isTop = argument % 1 === 0 ? _isTop : argument._op === 'isTop';\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(!isTop) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nfunction generateElement(template) {\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n let element;\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n element = table.find('tr');\r\n break;\r\n case 'li':\r\n element = angular.element('
  • ');\r\n break;\r\n default:\r\n element = angular.element('
    ');\r\n }\r\n return element;\r\n}\r\n\r\nclass Padding {\r\n constructor(template) {\r\n this.element = generateElement(template);\r\n this.cache = new Cache();\r\n }\r\n\r\n height() {\r\n return this.element.height.apply(this.element, arguments);\r\n }\r\n}\r\n\r\nexport default Padding;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\r\nimport ElementRoutines from './modules/elementRoutines.js';\r\nimport ScrollBuffer from './modules/buffer.js';\r\nimport Viewport from './modules/viewport.js';\r\nimport Adapter from './modules/adapter.js';\r\n\r\nangular.module('ui.scroll', [])\r\n\r\n .service('jqLiteExtras', () => new JQLiteExtras())\r\n .run(['jqLiteExtras', (jqLiteExtras) =>\r\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\r\n ])\r\n\r\n .directive('uiScrollViewport', function () {\r\n return {\r\n restrict: 'A',\r\n controller: [\r\n '$scope',\r\n '$element',\r\n function (scope, element) {\r\n this.container = element;\r\n this.viewport = element;\r\n this.scope = scope;\r\n\r\n angular.forEach(element.children(), (child => {\r\n if (child.tagName.toLowerCase() === 'tbody') {\r\n this.viewport = angular.element(child);\r\n }\r\n }));\r\n\r\n return this;\r\n }\r\n ]\r\n };\r\n })\r\n\r\n .directive('uiScroll', [\r\n '$log',\r\n '$injector',\r\n '$rootScope',\r\n '$timeout',\r\n '$interval',\r\n '$q',\r\n '$parse',\r\n function (console, $injector, $rootScope, $timeout, $interval, $q, $parse) {\r\n\r\n return {\r\n require: ['?^uiScrollViewport'],\r\n restrict: 'A',\r\n transclude: 'element',\r\n priority: 1000,\r\n terminal: true,\r\n link: link\r\n };\r\n\r\n function link($scope, element, $attr, controllers, linker) {\r\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\r\n if (!match) {\r\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\r\n }\r\n\r\n function parseNumericAttr(value, defaultValue) {\r\n const result = $parse(value)($scope);\r\n return isNaN(result) ? defaultValue : result;\r\n }\r\n\r\n const BUFFER_MIN = 3;\r\n const BUFFER_DEFAULT = 10;\r\n const PADDING_MIN = 0.3;\r\n const PADDING_DEFAULT = 0.5;\r\n const MAX_VIEWPORT_DELAY = 500;\r\n const VIEWPORT_POLLING_INTERVAL = 50;\r\n\r\n let datasource = null;\r\n const itemName = match[1];\r\n const datasourceName = match[2];\r\n const viewportController = controllers[0];\r\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\r\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\r\n let startIndex = parseNumericAttr($attr.startIndex, 1);\r\n let ridActual = 0;// current data revision id\r\n let pending = [];\r\n\r\n const elementRoutines = new ElementRoutines($injector, $q);\r\n const buffer = new ScrollBuffer(elementRoutines, bufferSize);\r\n const viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\r\n const adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope);\r\n\r\n if (viewportController) {\r\n viewportController.adapter = adapter;\r\n }\r\n\r\n const isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\r\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\r\n if (!isDatasourceValid()) {\r\n datasource = $injector.get(datasourceName); // try to inject datasource as service\r\n if (!isDatasourceValid()) {\r\n throw new Error(datasourceName + ' is not a valid datasource');\r\n }\r\n }\r\n\r\n let onRenderHandlers = [];\r\n function onRenderHandlersRunner() {\r\n if(onRenderHandlers.length) {\r\n angular.forEach(onRenderHandlers, (handler) => handler());\r\n onRenderHandlers = [];\r\n }\r\n }\r\n function preDefineIndexProperty(datasource, propName) {\r\n let getter;\r\n // need to postpone min/maxIndexUser processing if the view is empty\r\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\r\n getter = datasource[propName];\r\n delete datasource[propName];\r\n onRenderHandlers.push(() => datasource[propName] = getter);\r\n }\r\n }\r\n\r\n function defineIndexProperty(datasource, propName, propUserName) {\r\n const descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\r\n if (descriptor && (descriptor.set || descriptor.get)) {\r\n return;\r\n }\r\n let getter;\r\n preDefineIndexProperty(datasource, propName);\r\n Object.defineProperty(datasource, propName, {\r\n set: (value) => {\r\n getter = value;\r\n buffer[propUserName] = value;\r\n const topPaddingHeightOld = viewport.topDataPos();\r\n viewport.adjustPaddings();\r\n if (propName === 'minIndex') {\r\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\r\n }\r\n },\r\n get: () => getter\r\n });\r\n }\r\n\r\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\r\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\r\n\r\n const fetchNext = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.next, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.next,\r\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const fetchPrevious = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.first - bufferSize,\r\n prepend: buffer.length ? buffer[0].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const run = () => {\r\n let tryCount = 0;\r\n if(!viewport.applyContainerStyle()) {\r\n const timer = $interval(() => {\r\n tryCount++;\r\n if(viewport.applyContainerStyle()) {\r\n $interval.cancel(timer);\r\n reload();\r\n }\r\n if(tryCount * VIEWPORT_POLLING_INTERVAL >= MAX_VIEWPORT_DELAY) {\r\n $interval.cancel(timer);\r\n throw Error(`ui-scroll directive requires a viewport with non-zero height in ${MAX_VIEWPORT_DELAY}ms`);\r\n }\r\n }, VIEWPORT_POLLING_INTERVAL);\r\n }\r\n else {\r\n reload();\r\n }\r\n };\r\n\r\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\r\n linker((clone, scope) => {\r\n viewport.createPaddingElements(clone[0]);\r\n // we do not include the clone in the DOM. It means that the nested directives will not\r\n // be able to reach the parent directives, but in this case it is intentional because we\r\n // created the clone to access the template tag name\r\n scope.$destroy();\r\n clone.remove();\r\n });\r\n\r\n $scope.$on('$destroy', () => {\r\n unbindEvents();\r\n viewport.unbind('mousewheel', wheelHandler);\r\n });\r\n\r\n viewport.bind('mousewheel', wheelHandler);\r\n\r\n run();\r\n\r\n /* Private function definitions */\r\n\r\n function isInvalid(rid) {\r\n return (rid && rid !== ridActual) || $scope.$$destroyed;\r\n }\r\n\r\n function bindEvents() {\r\n viewport.bind('resize', resizeAndScrollHandler);\r\n viewport.bind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function unbindEvents() {\r\n viewport.unbind('resize', resizeAndScrollHandler);\r\n viewport.unbind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function reload() {\r\n viewport.resetTopPadding();\r\n viewport.resetBottomPadding();\r\n if (arguments.length) {\r\n startIndex = arguments[0];\r\n }\r\n buffer.reset(startIndex);\r\n adjustBuffer();\r\n }\r\n\r\n function isElementVisible(wrapper) {\r\n return wrapper.element.height() && wrapper.element[0].offsetParent;\r\n }\r\n\r\n function visibilityWatcher(wrapper) {\r\n if (isElementVisible(wrapper)) {\r\n buffer.forEach((item) => {\r\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\r\n item.unregisterVisibilityWatcher();\r\n delete item.unregisterVisibilityWatcher;\r\n }\r\n });\r\n if (!pending.length) {\r\n $timeout(() => adjustBuffer());\r\n }\r\n }\r\n }\r\n\r\n function insertWrapperContent(wrapper, insertAfter) {\r\n createElement(wrapper, insertAfter, viewport.insertElement);\r\n if (!isElementVisible(wrapper)) {\r\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\r\n }\r\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\r\n }\r\n\r\n function createElement(wrapper, insertAfter, insertElement) {\r\n let promises = null;\r\n const sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\r\n linker((clone, scope) => {\r\n promises = insertElement(clone, sibling);\r\n wrapper.element = clone;\r\n wrapper.scope = scope;\r\n scope[itemName] = wrapper.item;\r\n });\r\n // ui-scroll-grid apply\r\n if (adapter.transform) {\r\n const tdInitializer = wrapper.scope.uiScrollTdInitializer;\r\n if (tdInitializer && tdInitializer.linking) {\r\n adapter.transform(wrapper.scope, wrapper.element);\r\n } else {\r\n wrapper.scope.uiScrollTdInitializer = {\r\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\r\n scope: wrapper.scope\r\n };\r\n }\r\n }\r\n return promises;\r\n }\r\n\r\n function updateDOM() {\r\n let promises = [];\r\n const toBePrepended = [];\r\n const toBeRemoved = [];\r\n const inserted = [];\r\n\r\n buffer.forEach((wrapper, i) => {\r\n switch (wrapper.op) {\r\n case 'prepend':\r\n toBePrepended.unshift(wrapper);\r\n break;\r\n case 'append':\r\n insertWrapperContent(wrapper, i);\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'insert':\r\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'remove':\r\n toBeRemoved.push(wrapper);\r\n }\r\n });\r\n\r\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\r\n\r\n if (toBePrepended.length)\r\n toBePrepended.forEach((wrapper) => {\r\n insertWrapperContent(wrapper);\r\n wrapper.op = 'none';\r\n });\r\n\r\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\r\n\r\n return {\r\n prepended: toBePrepended,\r\n removed: toBeRemoved,\r\n inserted: inserted,\r\n animated: promises\r\n };\r\n\r\n }\r\n\r\n function updatePaddings(rid, updates) {\r\n // schedule another adjustBuffer after animation completion\r\n if (updates.animated.length) {\r\n $q.all(updates.animated).then(() => {\r\n viewport.adjustPaddings();\r\n adjustBuffer(rid);\r\n });\r\n } else {\r\n viewport.adjustPaddings();\r\n }\r\n }\r\n\r\n function enqueueFetch(rid, updates) {\r\n if (viewport.shouldLoadBottom()) {\r\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n if (pending.push(true) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n } else if (viewport.shouldLoadTop()) {\r\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\r\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\r\n if (pending.push(false) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n }\r\n }\r\n\r\n function processUpdates() {\r\n const updates = updateDOM();\r\n\r\n // We need the item bindings to be processed before we can do adjustments\r\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\r\n\r\n updates.inserted.forEach(w => elementRoutines.showElement(w));\r\n updates.prepended.forEach(w => elementRoutines.showElement(w));\r\n return updates;\r\n }\r\n\r\n function adjustBuffer(rid) {\r\n if (!rid) { // dismiss pending requests\r\n pending = [];\r\n rid = ++ridActual;\r\n }\r\n\r\n const updates = processUpdates();\r\n\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n updatePaddings(rid, updates);\r\n enqueueFetch(rid);\r\n\r\n if (!pending.length) {\r\n adapter.calculateProperties();\r\n }\r\n }\r\n\r\n function 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_this.$parse(attr).assign(_this.startScope, value);\n }\n }\n });\n };\n\n for (var _i = publicProps.length - 1; _i >= 0; _i--) {\n _loop(_i);\n }\n\n // non-read-only public property\n Object.defineProperty(this.publicContext, 'disabled', {\n get: function get() {\n return _this.disabled;\n },\n set: function set(value) {\n return !(_this.disabled = value) ? _this.doAdjust() : null;\n }\n });\n }\n }, {\n key: 'loading',\n value: function loading(value) {\n this.isLoading = value;\n }\n }, {\n key: 'isBOF',\n value: function isBOF() {\n return this.buffer.bof;\n }\n }, {\n key: 'isEOF',\n value: function isEOF() {\n return this.buffer.eof;\n }\n }, {\n key: 'isEmpty',\n value: function isEmpty() {\n return !this.buffer.length;\n }\n }, {\n key: 'append',\n value: function append(newItems) {\n this.buffer.append(newItems);\n this.doAdjust();\n this.viewport.clipTop();\n this.viewport.clipBottom();\n }\n }, {\n key: 'prepend',\n value: function prepend(newItems) {\n this.buffer.prepend(newItems);\n this.doAdjust();\n this.viewport.clipTop();\n this.viewport.clipBottom();\n }\n }, {\n key: 'applyUpdates',\n value: function applyUpdates(arg1, arg2) {\n if (typeof arg1 === 'function') {\n this.applyUpdatesFunc(arg1);\n } else {\n this.applyUpdatesIndex(arg1, arg2);\n }\n this.doAdjust();\n }\n }, {\n key: 'applyUpdatesFunc',\n value: function applyUpdatesFunc(cb) {\n var _this2 = this;\n\n this.buffer.slice(0).forEach(function (wrapper) {\n // we need to do it on the buffer clone, because buffer content\n // may change as we iterate through\n _this2.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\n });\n }\n }, {\n key: 'applyUpdatesIndex',\n value: function applyUpdatesIndex(index, newItems) {\n if (index % 1 !== 0) {\n throw new Error('applyUpdates - ' + index + ' is not a valid index (should be an integer)');\n }\n var _index = index - this.buffer.first;\n\n // apply updates only within buffer\n if (_index >= 0 && _index < this.buffer.length) {\n this.applyUpdate(this.buffer[_index], newItems);\n }\n // out-of-buffer case: deletion may affect Paddings\n else if (index >= this.buffer.getAbsMinIndex() && index <= this.buffer.getAbsMaxIndex()) {\n if (Array.isArray(newItems) && !newItems.length) {\n this.viewport.removeCacheItem(index, index === this.buffer.minIndex);\n if (index === this.buffer.getAbsMinIndex()) {\n this.buffer.incrementMinIndex();\n } else {\n this.buffer.decrementMaxIndex();\n }\n }\n }\n }\n }, {\n key: 'applyUpdate',\n value: function applyUpdate(wrapper, newItems) {\n var _this3 = this;\n\n if (!Array.isArray(newItems)) {\n return;\n }\n var position = this.buffer.indexOf(wrapper);\n if (!newItems.reverse().some(function (newItem) {\n return newItem === wrapper.item;\n })) {\n wrapper.op = 'remove';\n if (position === 0 && !newItems.length) {\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\n }\n }\n newItems.forEach(function (newItem) {\n if (newItem === wrapper.item) {\n position--;\n } else {\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\n _this3.buffer.insert(position + 1, newItem, position === -1);\n }\n });\n }\n }, {\n key: 'calculateProperties',\n value: function calculateProperties() {\n var rowTop = null,\n topHeight = 0;\n var topDone = false,\n bottomDone = false;\n var length = this.buffer.length;\n\n for (var i = 0; i < length; i++) {\n var item = this.buffer[i];\n var itemTop = item.element.offset().top;\n\n if (rowTop !== itemTop) {\n // a new row condition\n var itemHeight = item.element.outerHeight(true);\n var top = this.viewport.topDataPos() + topHeight + itemHeight;\n\n if (!topDone && top > this.viewport.topVisiblePos()) {\n topDone = true;\n this['topVisible'] = item.item;\n this['topVisibleElement'] = item.element;\n this['topVisibleScope'] = item.scope;\n }\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || i === length - 1 && this.isEOF())) {\n bottomDone = true;\n this['bottomVisible'] = item.item;\n this['bottomVisibleElement'] = item.element;\n this['bottomVisibleScope'] = item.scope;\n }\n topHeight += itemHeight;\n }\n rowTop = itemTop;\n\n if (topDone && bottomDone) {\n break;\n }\n }\n }\n }]);\n\n return Adapter;\n}();\n\nexports.default = Adapter;\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = ScrollBuffer;\nfunction ScrollBuffer(elementRoutines, bufferSize, startIndex) {\n var buffer = Object.create(Array.prototype);\n\n Object.assign(buffer, {\n size: bufferSize,\n\n reset: function reset(startIndex) {\n buffer.remove(0, buffer.length);\n buffer.eof = false;\n buffer.bof = false;\n buffer.first = startIndex;\n buffer.next = startIndex;\n buffer.minIndex = startIndex;\n buffer.maxIndex = startIndex;\n buffer.minIndexUser = null;\n buffer.maxIndexUser = null;\n },\n append: function append(items) {\n items.forEach(function (item) {\n ++buffer.next;\n buffer.insert('append', item);\n });\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\n },\n prepend: function prepend(items) {\n items.reverse().forEach(function (item) {\n --buffer.first;\n buffer.insert('prepend', item);\n });\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\n },\n\n\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\n insert: function insert(operation, item, isTop) {\n var wrapper = {\n item: item\n };\n\n if (operation % 1 === 0) {\n // it is an insert\n wrapper.op = 'insert';\n buffer.splice(operation, 0, wrapper);\n if (isTop) {\n buffer.first--;\n } else {\n buffer.next++;\n }\n } else {\n wrapper.op = operation;\n switch (operation) {\n case 'append':\n buffer.push(wrapper);\n break;\n case 'prepend':\n buffer.unshift(wrapper);\n break;\n }\n }\n },\n\n\n // removes elements from buffer\n remove: function remove(arg1, arg2) {\n if (Number.isInteger(arg1)) {\n // removes items from arg1 (including) through arg2 (excluding)\n for (var i = arg1; i < arg2; i++) {\n elementRoutines.removeElement(buffer[i]);\n }\n return buffer.splice(arg1, arg2 - arg1);\n }\n // removes single item(wrapper) from the buffer\n buffer.splice(buffer.indexOf(arg1), 1);\n if (arg1._op === 'isTop' && buffer.first === this.getAbsMinIndex()) {\n this.incrementMinIndex();\n } else {\n this.decrementMaxIndex();\n }\n if (arg1._op === 'isTop') {\n buffer.first++;\n } else {\n buffer.next--;\n }\n if (!buffer.length) {\n buffer.first = 1;\n buffer.next = 1;\n }\n\n return elementRoutines.removeElementAnimated(arg1);\n },\n incrementMinIndex: function incrementMinIndex() {\n if (buffer.minIndexUser !== null) {\n if (buffer.minIndex > buffer.minIndexUser) {\n buffer.minIndexUser++;\n return;\n }\n if (buffer.minIndex === buffer.minIndexUser) {\n buffer.minIndexUser++;\n }\n }\n buffer.minIndex++;\n },\n decrementMaxIndex: function decrementMaxIndex() {\n if (buffer.maxIndexUser !== null && buffer.maxIndex <= buffer.maxIndexUser) {\n buffer.maxIndexUser--;\n }\n buffer.maxIndex--;\n },\n getAbsMinIndex: function getAbsMinIndex() {\n if (buffer.minIndexUser !== null) {\n return Math.min(buffer.minIndexUser, buffer.minIndex);\n }\n return buffer.minIndex;\n },\n getAbsMaxIndex: function getAbsMaxIndex() {\n if (buffer.maxIndexUser !== null) {\n return Math.max(buffer.maxIndexUser, buffer.maxIndex);\n }\n return buffer.maxIndex;\n },\n effectiveHeight: function effectiveHeight(elements) {\n if (!elements.length) {\n return 0;\n }\n var top = Number.MAX_VALUE;\n var bottom = Number.NEGATIVE_INFINITY;\n elements.forEach(function (wrapper) {\n if (wrapper.element[0].offsetParent) {\n // element style is not display:none\n top = Math.min(top, wrapper.element.offset().top);\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\n }\n });\n return Math.max(0, bottom - top);\n }\n });\n\n buffer.reset(startIndex);\n\n return buffer;\n}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar hideClassToken = 'ng-ui-scroll-hide';\n\nfunction addCSSRule(sheet, selector, rules, index) {\n if ('insertRule' in sheet) {\n sheet.insertRule(selector + '{' + rules + '}', index);\n } else if ('addRule' in sheet) {\n sheet.addRule(selector, rules, index);\n }\n}\n\nvar ElementRoutines = function () {\n function ElementRoutines($injector, $q) {\n _classCallCheck(this, ElementRoutines);\n\n this.$animate = $injector.has && $injector.has('$animate') ? $injector.get('$animate') : null;\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\n this.$q = $q;\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\n }\n\n _createClass(ElementRoutines, [{\n key: 'hideElement',\n value: function hideElement(wrapper) {\n wrapper.element.addClass(hideClassToken);\n }\n }, {\n key: 'showElement',\n value: function showElement(wrapper) {\n wrapper.element.removeClass(hideClassToken);\n }\n }, {\n key: 'insertElement',\n value: function insertElement(newElement, previousElement) {\n previousElement.after(newElement);\n return [];\n }\n }, {\n key: 'removeElement',\n value: function removeElement(wrapper) {\n wrapper.element.remove();\n wrapper.scope.$destroy();\n return [];\n }\n }, {\n key: 'insertElementAnimated',\n value: function insertElementAnimated(newElement, previousElement) {\n if (!this.$animate) {\n return this.insertElement(newElement, previousElement);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n // no need for parent - previous element is never null\n this.$animate.enter(newElement, null, previousElement, function () {\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n // no need for parent - previous element is never null\n return [this.$animate.enter(newElement, null, previousElement)];\n }\n }, {\n key: 'removeElementAnimated',\n value: function removeElementAnimated(wrapper) {\n if (!this.$animate) {\n return this.removeElement(wrapper);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n this.$animate.leave(wrapper.element, function () {\n wrapper.scope.$destroy();\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n return [this.$animate.leave(wrapper.element).then(function () {\n return wrapper.scope.$destroy();\n })];\n }\n }]);\n\n return ElementRoutines;\n}();\n\nexports.default = ElementRoutines;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\n\nvar JQLiteExtras = function () {\n function JQLiteExtras() {\n _classCallCheck(this, JQLiteExtras);\n }\n\n _createClass(JQLiteExtras, [{\n key: 'registerFor',\n value: function registerFor(element) {\n var convertToPx = void 0,\n css = void 0,\n getStyle = void 0,\n isWindow = void 0;\n // angular implementation blows up if elem is the window\n css = angular.element.prototype.css;\n\n element.prototype.css = function (name, value) {\n var self = this;\n var elem = self[0];\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\n return css.call(self, name, value);\n }\n };\n\n // as defined in angularjs v1.0.5\n isWindow = function isWindow(obj) {\n return obj && obj.document && obj.location && obj.alert && obj.setInterval;\n };\n\n function scrollTo(self, direction, value) {\n var elem = self[0];\n\n var _top$left$direction = _slicedToArray({\n top: ['scrollTop', 'pageYOffset', 'scrollLeft'],\n left: ['scrollLeft', 'pageXOffset', 'scrollTop']\n }[direction], 3),\n method = _top$left$direction[0],\n prop = _top$left$direction[1],\n preserve = _top$left$direction[2];\n\n var isValueDefined = typeof value !== 'undefined';\n if (isWindow(elem)) {\n if (isValueDefined) {\n return elem.scrollTo(self[preserve].call(self), value);\n }\n return prop in elem ? elem[prop] : elem.document.documentElement[method];\n } else {\n if (isValueDefined) {\n elem[method] = value;\n }\n return elem[method];\n }\n }\n\n if (window.getComputedStyle) {\n getStyle = function getStyle(elem) {\n return window.getComputedStyle(elem, null);\n };\n convertToPx = function convertToPx(elem, value) {\n return parseFloat(value);\n };\n } else {\n getStyle = function getStyle(elem) {\n return elem.currentStyle;\n };\n convertToPx = function convertToPx(elem, value) {\n var left = void 0,\n result = void 0,\n rs = void 0,\n rsLeft = void 0,\n style = void 0;\n var core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\n var rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\n\n if (!rnumnonpx.test(value)) {\n return parseFloat(value);\n }\n\n // ported from JQuery\n style = elem.style;\n left = style.left;\n rs = elem.runtimeStyle;\n rsLeft = rs && rs.left;\n if (rs) {\n rs.left = style.left;\n }\n // put in the new values to get a computed style out\n style.left = value;\n result = style.pixelLeft;\n style.left = left;\n if (rsLeft) {\n rs.left = rsLeft;\n }\n return result;\n };\n }\n\n function getMeasurements(elem, measure) {\n var base = void 0,\n borderA = void 0,\n borderB = void 0,\n computedMarginA = void 0,\n computedMarginB = void 0,\n computedStyle = void 0,\n dirA = void 0,\n dirB = void 0,\n marginA = void 0,\n marginB = void 0,\n paddingA = void 0,\n paddingB = void 0;\n\n if (isWindow(elem)) {\n base = document.documentElement[{ height: 'clientHeight', width: 'clientWidth' }[measure]];\n\n return {\n base: base,\n padding: 0,\n border: 0,\n margin: 0\n };\n }\n\n // Start with offset property\n\n var _width$height$measure = _slicedToArray({\n width: [elem.offsetWidth, 'Left', 'Right'],\n height: [elem.offsetHeight, 'Top', 'Bottom']\n }[measure], 3);\n\n base = _width$height$measure[0];\n dirA = _width$height$measure[1];\n dirB = _width$height$measure[2];\n\n\n computedStyle = getStyle(elem);\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\n computedMarginA = computedStyle['margin' + dirA];\n computedMarginB = computedStyle['margin' + dirB];\n\n // I do not care for width for now, so this hack is irrelevant\n // if ( !supportsPercentMargin )\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\n marginA = convertToPx(elem, computedMarginA) || 0;\n marginB = convertToPx(elem, computedMarginB) || 0;\n\n return {\n base: base,\n padding: paddingA + paddingB,\n border: borderA + borderB,\n margin: marginA + marginB\n };\n }\n\n function getWidthHeight(elem, direction, measure) {\n var computedStyle = void 0,\n result = void 0;\n\n var measurements = getMeasurements(elem, direction);\n\n if (measurements.base > 0) {\n return {\n base: measurements.base - measurements.padding - measurements.border,\n outer: measurements.base,\n outerfull: measurements.base + measurements.margin\n }[measure];\n }\n\n // Fall back to computed then uncomputed css if necessary\n computedStyle = getStyle(elem);\n result = computedStyle[direction];\n\n if (result < 0 || result === null) {\n result = elem.style[direction] || 0;\n }\n\n // Normalize \"\", auto, and prepare for extra\n result = parseFloat(result) || 0;\n\n return {\n base: result - measurements.padding - measurements.border,\n outer: result,\n outerfull: result + measurements.padding + measurements.border + measurements.margin\n }[measure];\n }\n\n // define missing methods\n return angular.forEach({\n before: function before(newElem) {\n var children, elem, i, j, parent, ref, self;\n self = this;\n elem = self[0];\n parent = self.parent();\n children = parent.contents();\n if (children[0] === elem) {\n return parent.prepend(newElem);\n } else {\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\n if (children[i] === elem) {\n angular.element(children[i - 1]).after(newElem);\n return;\n }\n }\n throw new Error('invalid DOM structure ' + elem.outerHTML);\n }\n },\n height: function height(value) {\n var self;\n self = this;\n if (typeof value !== 'undefined') {\n if (Number.isInteger(value)) {\n value = value + 'px';\n }\n return css.call(self, 'height', value);\n } else {\n return getWidthHeight(this[0], 'height', 'base');\n }\n },\n outerHeight: function outerHeight(option) {\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\n },\n outerWidth: function outerWidth(option) {\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\n },\n\n\n /*\r\n The offset setter method is not implemented\r\n */\n offset: function offset(value) {\n var docElem = void 0,\n win = void 0;\n var self = this;\n var box = {\n top: 0,\n left: 0\n };\n var elem = self[0];\n var doc = elem && elem.ownerDocument;\n\n if (arguments.length) {\n if (value === undefined) {\n return self;\n }\n // TODO: implement setter\n throw new Error('offset setter method is not implemented');\n }\n\n if (!doc) {\n return;\n }\n\n docElem = doc.documentElement;\n\n // TODO: Make sure it's not a disconnected DOM node\n\n if (elem.getBoundingClientRect != null) {\n box = elem.getBoundingClientRect();\n }\n\n win = doc.defaultView || doc.parentWindow;\n\n return {\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\n };\n },\n scrollTop: function scrollTop(value) {\n return scrollTo(this, 'top', value);\n },\n scrollLeft: function scrollLeft(value) {\n return scrollTo(this, 'left', value);\n }\n }, function (value, key) {\n if (!element.prototype[key]) {\n return element.prototype[key] = value;\n }\n });\n }\n }]);\n\n return JQLiteExtras;\n}();\n\nexports.default = JQLiteExtras;\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = Viewport;\n\nvar _padding = __webpack_require__(5);\n\nvar _padding2 = _interopRequireDefault(_padding);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\n var topPadding = null;\n var bottomPadding = null;\n var viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\n var container = viewportController && viewportController.container ? viewportController.container : undefined;\n var scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\n\n viewport.css({\n 'overflow-anchor': 'none',\n 'overflow-y': 'auto',\n 'display': 'block'\n });\n\n function bufferPadding() {\n return viewport.outerHeight() * padding; // some extra space to initiate preload\n }\n\n Object.assign(viewport, {\n getScope: function getScope() {\n return scope;\n },\n createPaddingElements: function createPaddingElements(template) {\n topPadding = new _padding2.default(template);\n bottomPadding = new _padding2.default(template);\n element.before(topPadding.element);\n element.after(bottomPadding.element);\n topPadding.height(0);\n bottomPadding.height(0);\n },\n applyContainerStyle: function applyContainerStyle() {\n if (!container) {\n return true;\n }\n if (container !== viewport) {\n viewport.css('height', window.getComputedStyle(container[0]).height);\n }\n return viewport.height() > 0;\n },\n bottomDataPos: function bottomDataPos() {\n var scrollHeight = viewport[0].scrollHeight;\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\n return scrollHeight - bottomPadding.height();\n },\n topDataPos: function topDataPos() {\n return topPadding.height();\n },\n bottomVisiblePos: function bottomVisiblePos() {\n return viewport.scrollTop() + viewport.outerHeight();\n },\n topVisiblePos: function topVisiblePos() {\n return viewport.scrollTop();\n },\n insertElement: function insertElement(e, sibling) {\n return elementRoutines.insertElement(e, sibling || topPadding.element);\n },\n insertElementAnimated: function insertElementAnimated(e, sibling) {\n return elementRoutines.insertElementAnimated(e, sibling || topPadding.element);\n },\n shouldLoadBottom: function shouldLoadBottom() {\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\n },\n clipBottom: function clipBottom() {\n // clip the invisible items off the bottom\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\n\n for (var i = buffer.length - 1; i >= 0; i--) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n bottomPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n buffer.eof = false;\n buffer.remove(buffer.length - overage, buffer.length);\n buffer.next -= overage;\n viewport.adjustPaddings();\n }\n },\n shouldLoadTop: function shouldLoadTop() {\n return !buffer.bof && viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding();\n },\n clipTop: function clipTop() {\n // clip the invisible items off the top\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\n\n for (var i = 0; i < buffer.length; i++) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n topPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n // we need to adjust top padding element before items are removed from top\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\n topPadding.height(topPadding.height() + overageHeight);\n buffer.bof = false;\n buffer.remove(0, overage);\n buffer.first += overage;\n }\n },\n adjustPaddings: function adjustPaddings() {\n if (!buffer.length) {\n return;\n }\n\n // precise heights calculation based on items that are in buffer or that were in buffer once\n var visibleItemsHeight = buffer.reduce(function (summ, item) {\n return summ + item.element.outerHeight(true);\n }, 0);\n\n var topPaddingHeight = 0,\n topCount = 0;\n topPadding.cache.forEach(function (item) {\n if (item.index < buffer.first) {\n topPaddingHeight += item.height;\n topCount++;\n }\n });\n\n var bottomPaddingHeight = 0,\n bottomCount = 0;\n bottomPadding.cache.forEach(function (item) {\n if (item.index >= buffer.next) {\n bottomPaddingHeight += item.height;\n bottomCount++;\n }\n });\n\n var totalHeight = visibleItemsHeight + topPaddingHeight + bottomPaddingHeight;\n var averageItemHeight = totalHeight / (topCount + bottomCount + buffer.length);\n\n // average heights calculation, items that have never been reached\n var adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\n var adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\n var topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\n var bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\n\n // paddings combine adjustment\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\n },\n onAfterMinIndexSet: function onAfterMinIndexSet(topPaddingHeightOld) {\n // additional scrollTop adjustment in case of datasource.minIndex external set\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\n var diff = topPadding.height() - topPaddingHeightOld;\n viewport.scrollTop(viewport.scrollTop() + diff);\n while ((diff -= viewport.scrollTop()) > 0) {\n bottomPadding.height(bottomPadding.height() + diff);\n viewport.scrollTop(viewport.scrollTop() + diff);\n }\n }\n },\n onAfterPrepend: function onAfterPrepend(updates) {\n if (!updates.prepended.length) return;\n var height = buffer.effectiveHeight(updates.prepended);\n var paddingHeight = topPadding.height() - height;\n if (paddingHeight >= 0) {\n topPadding.height(paddingHeight);\n } else {\n topPadding.height(0);\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\n }\n },\n resetTopPadding: function resetTopPadding() {\n topPadding.height(0);\n topPadding.cache.clear();\n },\n resetBottomPadding: function resetBottomPadding() {\n bottomPadding.height(0);\n bottomPadding.cache.clear();\n },\n removeCacheItem: function removeCacheItem(item, isTop) {\n topPadding.cache.remove(item, isTop);\n bottomPadding.cache.remove(item, isTop);\n },\n removeItem: function removeItem(item) {\n this.removeCacheItem(item);\n return buffer.remove(item);\n }\n });\n\n return viewport;\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n// Can't just extend the Array, due to Babel does not support built-in classes extending\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\nvar CacheProto = function () {\n function CacheProto() {\n _classCallCheck(this, CacheProto);\n }\n\n _createClass(CacheProto, [{\n key: 'add',\n value: function add(item) {\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === item.scope.$index) {\n this[i].height = item.element.outerHeight();\n return;\n }\n }\n this.push({\n index: item.scope.$index,\n height: item.element.outerHeight()\n });\n this.sort(function (a, b) {\n return a.index < b.index ? -1 : a.index > b.index ? 1 : 0;\n });\n }\n }, {\n key: 'remove',\n value: function remove(argument, _isTop) {\n var index = argument % 1 === 0 ? argument : argument.scope.$index;\n var isTop = argument % 1 === 0 ? _isTop : argument._op === 'isTop';\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === index) {\n this.splice(i, 1);\n break;\n }\n }\n if (!isTop) {\n for (var _i = this.length - 1; _i >= 0; _i--) {\n if (this[_i].index > index) {\n this[_i].index--;\n }\n }\n }\n }\n }, {\n key: 'clear',\n value: function clear() {\n this.length = 0;\n }\n }]);\n\n return CacheProto;\n}();\n\nfunction Cache() {\n var instance = [];\n instance.push.apply(instance, arguments);\n Object.setPrototypeOf(instance, Cache.prototype);\n return instance;\n}\nCache.prototype = Object.create(Array.prototype);\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(function (methodName) {\n return Cache.prototype[methodName] = CacheProto.prototype[methodName];\n});\n\nfunction generateElement(template) {\n if (template.nodeType !== Node.ELEMENT_NODE) {\n throw new Error('ui-scroll directive requires an Element node for templating the view');\n }\n var element = void 0;\n switch (template.tagName.toLowerCase()) {\n case 'dl':\n throw new Error('ui-scroll directive does not support <' + template.tagName + '> as a repeating tag: ' + template.outerHTML);\n case 'tr':\n var table = angular.element('
    ');\n element = table.find('tr');\n break;\n case 'li':\n element = angular.element('
  • ');\n break;\n default:\n element = angular.element('
    ');\n }\n return element;\n}\n\nvar Padding = function () {\n function Padding(template) {\n _classCallCheck(this, Padding);\n\n this.element = generateElement(template);\n this.cache = new Cache();\n }\n\n _createClass(Padding, [{\n key: 'height',\n value: function height() {\n return this.element.height.apply(this.element, arguments);\n }\n }]);\n\n return Padding;\n}();\n\nexports.default = Padding;\n\n/***/ }),\n/* 6 */,\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar _jqLiteExtras = __webpack_require__(3);\n\nvar _jqLiteExtras2 = _interopRequireDefault(_jqLiteExtras);\n\nvar _elementRoutines = __webpack_require__(2);\n\nvar _elementRoutines2 = _interopRequireDefault(_elementRoutines);\n\nvar _buffer = __webpack_require__(1);\n\nvar _buffer2 = _interopRequireDefault(_buffer);\n\nvar _viewport = __webpack_require__(4);\n\nvar _viewport2 = _interopRequireDefault(_viewport);\n\nvar _adapter = __webpack_require__(0);\n\nvar _adapter2 = _interopRequireDefault(_adapter);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nangular.module('ui.scroll', []).service('jqLiteExtras', function () {\n return new _jqLiteExtras2.default();\n}).run(['jqLiteExtras', function (jqLiteExtras) {\n return !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null;\n}]).directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: ['$scope', '$element', function (scope, element) {\n var _this = this;\n\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), function (child) {\n if (child.tagName.toLowerCase() === 'tbody') {\n _this.viewport = angular.element(child);\n }\n });\n\n return this;\n }]\n };\n}).directive('uiScroll', ['$log', '$injector', '$rootScope', '$timeout', '$interval', '$q', '$parse', function (console, $injector, $rootScope, $timeout, $interval, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n var match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n var result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n var BUFFER_MIN = 3;\n var BUFFER_DEFAULT = 10;\n var PADDING_MIN = 0.3;\n var PADDING_DEFAULT = 0.5;\n var MAX_VIEWPORT_DELAY = 500;\n var VIEWPORT_POLLING_INTERVAL = 50;\n\n var datasource = null;\n var itemName = match[1];\n var datasourceName = match[2];\n var viewportController = controllers[0];\n var bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n var padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n var startIndex = parseNumericAttr($attr.startIndex, 1);\n var ridActual = 0; // current data revision id\n var pending = [];\n\n var elementRoutines = new _elementRoutines2.default($injector, $q);\n var buffer = new _buffer2.default(elementRoutines, bufferSize, startIndex);\n var viewport = new _viewport2.default(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n var adapter = new _adapter2.default($scope, $parse, $attr, viewport, buffer, doAdjust, reload);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n var isDatasourceValid = function isDatasourceValid() {\n return Object.prototype.toString.call(datasource) === '[object Object]' && typeof datasource.get === 'function';\n };\n\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n var onRenderHandlers = [];\n function onRenderHandlersRunner() {\n onRenderHandlers.forEach(function (handler) {\n return handler.run();\n });\n onRenderHandlers = [];\n }\n function persistDatasourceIndex(datasource, propName) {\n var getter = void 0;\n // need to postpone min/maxIndexUser processing if the view is empty\n if (Number.isInteger(datasource[propName])) {\n getter = datasource[propName];\n if (Number.isInteger(getter)) {\n onRenderHandlers = onRenderHandlers.filter(function (handler) {\n return handler.id !== propName;\n });\n onRenderHandlers.push({\n id: propName,\n run: function run() {\n return datasource[propName] = getter;\n }\n });\n }\n }\n }\n\n function defineDatasourceIndex(datasource, propName, propUserName) {\n var descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n var getter = void 0;\n persistDatasourceIndex(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: function set(value) {\n getter = value;\n if (pending.length && !buffer.length) {\n persistDatasourceIndex(datasource, propName);\n return;\n }\n buffer[propUserName] = value;\n var topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: function get() {\n return getter;\n }\n });\n }\n\n defineDatasourceIndex(datasource, 'minIndex', 'minIndexUser');\n defineDatasourceIndex(datasource, 'maxIndex', 'maxIndexUser');\n\n var fetchNext = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.next, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n var fetchPrevious = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.first - bufferSize, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n var initialize = function initialize() {\n var tryCount = 0;\n if (!viewport.applyContainerStyle()) {\n var timer = $interval(function () {\n tryCount++;\n if (viewport.applyContainerStyle()) {\n $interval.cancel(timer);\n doAdjust();\n }\n if (tryCount * VIEWPORT_POLLING_INTERVAL >= MAX_VIEWPORT_DELAY) {\n $interval.cancel(timer);\n throw Error('ui-scroll directive requires a viewport with non-zero height in ' + MAX_VIEWPORT_DELAY + 'ms');\n }\n }, VIEWPORT_POLLING_INTERVAL);\n } else {\n doAdjust();\n }\n };\n\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\n linker(function (clone, scope) {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', function () {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n initialize();\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return rid && rid !== ridActual || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n persistDatasourceIndex(datasource, 'minIndex');\n persistDatasourceIndex(datasource, 'maxIndex');\n doAdjust();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach(function (item) {\n if (typeof item.unregisterVisibilityWatcher === 'function') {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(function () {\n return doAdjust();\n });\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(function () {\n return visibilityWatcher(wrapper);\n });\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n var promises = null;\n var sibling = insertAfter > 0 ? buffer[insertAfter - 1].element : undefined;\n linker(function (clone, scope) {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n var tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: function onLink() {\n return adapter.transform(wrapper.scope, wrapper.element);\n },\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n var promises = [];\n var toBePrepended = [];\n var toBeRemoved = [];\n var inserted = [];\n\n buffer.forEach(function (wrapper, i) {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach(function (wrapper) {\n return promises = promises.concat(viewport.removeItem(wrapper));\n });\n\n if (toBePrepended.length) toBePrepended.forEach(function (wrapper) {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach(function (item, i) {\n return item.scope.$index = buffer.first + i;\n });\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n }\n\n function updatePaddings(rid, updates) {\n // schedule another doAdjust after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(function () {\n viewport.adjustPaddings();\n doAdjust(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if (!updates || buffer.effectiveHeight(updates.prepended) > 0 || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n var updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n updates.prepended.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n return updates;\n }\n\n function doAdjust(rid) {\n if (!rid) {\n // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n var updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function doAdjustAfterFetch(rid) {\n var updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length) fetch(rid);else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {\n // scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n doAdjustAfterFetch(rid);\n } else {\n fetchNext(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n doAdjustAfterFetch(rid);\n });\n }\n } else {\n // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n doAdjustAfterFetch(rid);\n } else {\n fetchPrevious(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n doAdjustAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n var scrollTop = viewport[0].scrollTop;\n var yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if (scrollTop === 0 && !buffer.bof || scrollTop === yMax && !buffer.eof) {\n event.preventDefault();\n }\n }\n }\n }\n}]);\n\n/***/ })\n/******/ ]);\n\n\n// WEBPACK FOOTER //\n// ui-scroll.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 1ac29eb6a56dd53511e8","class Adapter {\r\n\r\n constructor($scope, $parse, $attr, viewport, buffer, doAdjust, reload) {\r\n this.$parse = $parse;\r\n this.$attr = $attr;\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n\r\n this.doAdjust = doAdjust;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter);\r\n this.generatePublicContext();\r\n }\r\n\r\n assignAdapter(adapterAttr) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let adapterOnScope;\r\n\r\n try {\r\n this.$parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = this.$parse(adapterAttr)(this.startScope);\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n Object.assign(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext() {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = this.$attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n this.$parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.doAdjust() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this.isLoading = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.doAdjust();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.doAdjust();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (typeof arg1 === 'function') {\r\n this.applyUpdatesFunc(arg1);\r\n } else {\r\n this.applyUpdatesIndex(arg1, arg2);\r\n }\r\n this.doAdjust();\r\n }\r\n\r\n applyUpdatesFunc(cb) {\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n }\r\n\r\n applyUpdatesIndex(index, newItems) {\r\n if (index % 1 !== 0) {\r\n throw new Error('applyUpdates - ' + index + ' is not a valid index (should be an integer)');\r\n }\r\n const _index = index - this.buffer.first;\r\n\r\n // apply updates only within buffer\r\n if (_index >= 0 && _index < this.buffer.length) {\r\n this.applyUpdate(this.buffer[_index], newItems);\r\n }\r\n // out-of-buffer case: deletion may affect Paddings\r\n else if(index >= this.buffer.getAbsMinIndex() && index <= this.buffer.getAbsMaxIndex()) {\r\n if(Array.isArray(newItems) && !newItems.length) {\r\n this.viewport.removeCacheItem(index, index === this.buffer.minIndex);\r\n if(index === this.buffer.getAbsMinIndex()) {\r\n this.buffer.incrementMinIndex();\r\n }\r\n else {\r\n this.buffer.decrementMaxIndex();\r\n }\r\n }\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!Array.isArray(newItems)) {\r\n return;\r\n }\r\n let position = this.buffer.indexOf(wrapper);\r\n if (!newItems.reverse().some(newItem => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize, startIndex) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n Object.assign(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (Number.isInteger(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop' && buffer.first === this.getAbsMinIndex()) {\r\n this.incrementMinIndex();\r\n }\r\n else {\r\n this.decrementMaxIndex();\r\n }\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n incrementMinIndex() {\r\n if(buffer.minIndexUser !== null) {\r\n if(buffer.minIndex > buffer.minIndexUser) {\r\n buffer.minIndexUser++;\r\n return;\r\n }\r\n if(buffer.minIndex === buffer.minIndexUser) {\r\n buffer.minIndexUser++;\r\n }\r\n }\r\n buffer.minIndex++;\r\n },\r\n\r\n decrementMaxIndex() {\r\n if(buffer.maxIndexUser !== null && buffer.maxIndex <= buffer.maxIndexUser) {\r\n buffer.maxIndexUser--;\r\n }\r\n buffer.maxIndex--;\r\n },\r\n\r\n getAbsMinIndex() {\r\n if(buffer.minIndexUser !== null) {\r\n return Math.min(buffer.minIndexUser, buffer.minIndex);\r\n }\r\n return buffer.minIndex;\r\n },\r\n\r\n getAbsMaxIndex() {\r\n if(buffer.maxIndexUser !== null) {\r\n return Math.max(buffer.maxIndexUser, buffer.maxIndex);\r\n }\r\n return buffer.maxIndex;\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n buffer.reset(startIndex);\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n const isValueDefined = typeof value !== 'undefined';\r\n if (isWindow(elem)) {\r\n if (isValueDefined) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (isValueDefined) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (typeof value !== 'undefined') {\r\n if (Number.isInteger(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n Object.assign(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding.element);\r\n element.after(bottomPadding.element);\r\n topPadding.height(0);\r\n bottomPadding.height(0);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (!container) {\r\n return true;\r\n }\r\n if(container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n return viewport.height() > 0;\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding.element);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding.element);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation based on items that are in buffer or that were in buffer once\r\n const visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n\r\n let topPaddingHeight = 0, topCount = 0;\r\n topPadding.cache.forEach(item => {\r\n if(item.index < buffer.first) {\r\n topPaddingHeight += item.height;\r\n topCount++;\r\n }\r\n });\r\n\r\n let bottomPaddingHeight = 0, bottomCount = 0;\r\n bottomPadding.cache.forEach(item => {\r\n if(item.index >= buffer.next) {\r\n bottomPaddingHeight += item.height;\r\n bottomCount++;\r\n }\r\n });\r\n\r\n const totalHeight = visibleItemsHeight + topPaddingHeight + bottomPaddingHeight;\r\n const averageItemHeight = totalHeight / (topCount + bottomCount + buffer.length);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n while((diff -= viewport.scrollTop()) > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeCacheItem(item, isTop) {\r\n topPadding.cache.remove(item, isTop);\r\n bottomPadding.cache.remove(item, isTop);\r\n },\r\n\r\n removeItem(item) {\r\n this.removeCacheItem(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(argument, _isTop) {\r\n const index = argument % 1 === 0 ? argument : argument.scope.$index;\r\n const isTop = argument % 1 === 0 ? _isTop : argument._op === 'isTop';\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(!isTop) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nfunction generateElement(template) {\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n let element;\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n element = table.find('tr');\r\n break;\r\n case 'li':\r\n element = angular.element('
  • ');\r\n break;\r\n default:\r\n element = angular.element('
    ');\r\n }\r\n return element;\r\n}\r\n\r\nclass Padding {\r\n constructor(template) {\r\n this.element = generateElement(template);\r\n this.cache = new Cache();\r\n }\r\n\r\n height() {\r\n return this.element.height.apply(this.element, arguments);\r\n }\r\n}\r\n\r\nexport default Padding;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\r\nimport ElementRoutines from './modules/elementRoutines.js';\r\nimport ScrollBuffer from './modules/buffer.js';\r\nimport Viewport from './modules/viewport.js';\r\nimport Adapter from './modules/adapter.js';\r\n\r\nangular.module('ui.scroll', [])\r\n\r\n .service('jqLiteExtras', () => new JQLiteExtras())\r\n .run(['jqLiteExtras', (jqLiteExtras) =>\r\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\r\n ])\r\n\r\n .directive('uiScrollViewport', function () {\r\n return {\r\n restrict: 'A',\r\n controller: [\r\n '$scope',\r\n '$element',\r\n function (scope, element) {\r\n this.container = element;\r\n this.viewport = element;\r\n this.scope = scope;\r\n\r\n angular.forEach(element.children(), child => {\r\n if (child.tagName.toLowerCase() === 'tbody') {\r\n this.viewport = angular.element(child);\r\n }\r\n });\r\n\r\n return this;\r\n }\r\n ]\r\n };\r\n })\r\n\r\n .directive('uiScroll', [\r\n '$log',\r\n '$injector',\r\n '$rootScope',\r\n '$timeout',\r\n '$interval',\r\n '$q',\r\n '$parse',\r\n function (console, $injector, $rootScope, $timeout, $interval, $q, $parse) {\r\n\r\n return {\r\n require: ['?^uiScrollViewport'],\r\n restrict: 'A',\r\n transclude: 'element',\r\n priority: 1000,\r\n terminal: true,\r\n link: link\r\n };\r\n\r\n function link($scope, element, $attr, controllers, linker) {\r\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\r\n if (!match) {\r\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\r\n }\r\n\r\n function parseNumericAttr(value, defaultValue) {\r\n const result = $parse(value)($scope);\r\n return isNaN(result) ? defaultValue : result;\r\n }\r\n\r\n const BUFFER_MIN = 3;\r\n const BUFFER_DEFAULT = 10;\r\n const PADDING_MIN = 0.3;\r\n const PADDING_DEFAULT = 0.5;\r\n const MAX_VIEWPORT_DELAY = 500;\r\n const VIEWPORT_POLLING_INTERVAL = 50;\r\n\r\n let datasource = null;\r\n const itemName = match[1];\r\n const datasourceName = match[2];\r\n const viewportController = controllers[0];\r\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\r\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\r\n let startIndex = parseNumericAttr($attr.startIndex, 1);\r\n let ridActual = 0; // current data revision id\r\n let pending = [];\r\n\r\n const elementRoutines = new ElementRoutines($injector, $q);\r\n const buffer = new ScrollBuffer(elementRoutines, bufferSize, startIndex);\r\n const viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\r\n const adapter = new Adapter($scope, $parse, $attr, viewport, buffer, doAdjust, reload);\r\n\r\n if (viewportController) {\r\n viewportController.adapter = adapter;\r\n }\r\n\r\n const isDatasourceValid = () =>\r\n Object.prototype.toString.call(datasource) === '[object Object]' && typeof datasource.get === 'function';\r\n\r\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\r\n if (!isDatasourceValid()) {\r\n datasource = $injector.get(datasourceName); // try to inject datasource as service\r\n if (!isDatasourceValid()) {\r\n throw new Error(datasourceName + ' is not a valid datasource');\r\n }\r\n }\r\n\r\n let onRenderHandlers = [];\r\n function onRenderHandlersRunner() {\r\n onRenderHandlers.forEach(handler => handler.run());\r\n onRenderHandlers = [];\r\n }\r\n function persistDatasourceIndex(datasource, propName) {\r\n let getter;\r\n // need to postpone min/maxIndexUser processing if the view is empty\r\n if(Number.isInteger(datasource[propName])) {\r\n getter = datasource[propName];\r\n if(Number.isInteger(getter)) {\r\n onRenderHandlers = onRenderHandlers.filter(handler => handler.id !== propName);\r\n onRenderHandlers.push({\r\n id: propName,\r\n run: () => datasource[propName] = getter\r\n });\r\n }\r\n }\r\n }\r\n\r\n function defineDatasourceIndex(datasource, propName, propUserName) {\r\n const descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\r\n if (descriptor && (descriptor.set || descriptor.get)) {\r\n return;\r\n }\r\n let getter;\r\n persistDatasourceIndex(datasource, propName);\r\n Object.defineProperty(datasource, propName, {\r\n set: (value) => {\r\n getter = value;\r\n if(pending.length && !buffer.length) {\r\n persistDatasourceIndex(datasource, propName);\r\n return;\r\n }\r\n buffer[propUserName] = value;\r\n const topPaddingHeightOld = viewport.topDataPos();\r\n viewport.adjustPaddings();\r\n if (propName === 'minIndex') {\r\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\r\n }\r\n },\r\n get: () => getter\r\n });\r\n }\r\n\r\n defineDatasourceIndex(datasource, 'minIndex', 'minIndexUser');\r\n defineDatasourceIndex(datasource, 'maxIndex', 'maxIndexUser');\r\n\r\n const fetchNext = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.next, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.next,\r\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const fetchPrevious = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.first - bufferSize,\r\n prepend: buffer.length ? buffer[0].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const initialize = () => {\r\n let tryCount = 0;\r\n if(!viewport.applyContainerStyle()) {\r\n const timer = $interval(() => {\r\n tryCount++;\r\n if(viewport.applyContainerStyle()) {\r\n $interval.cancel(timer);\r\n doAdjust();\r\n }\r\n if(tryCount * VIEWPORT_POLLING_INTERVAL >= MAX_VIEWPORT_DELAY) {\r\n $interval.cancel(timer);\r\n throw Error(`ui-scroll directive requires a viewport with non-zero height in ${MAX_VIEWPORT_DELAY}ms`);\r\n }\r\n }, VIEWPORT_POLLING_INTERVAL);\r\n }\r\n else {\r\n doAdjust();\r\n }\r\n };\r\n\r\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\r\n linker((clone, scope) => {\r\n viewport.createPaddingElements(clone[0]);\r\n // we do not include the clone in the DOM. It means that the nested directives will not\r\n // be able to reach the parent directives, but in this case it is intentional because we\r\n // created the clone to access the template tag name\r\n scope.$destroy();\r\n clone.remove();\r\n });\r\n\r\n $scope.$on('$destroy', () => {\r\n unbindEvents();\r\n viewport.unbind('mousewheel', wheelHandler);\r\n });\r\n\r\n viewport.bind('mousewheel', wheelHandler);\r\n\r\n initialize();\r\n\r\n /* Private function definitions */\r\n\r\n function isInvalid(rid) {\r\n return (rid && rid !== ridActual) || $scope.$$destroyed;\r\n }\r\n\r\n function bindEvents() {\r\n viewport.bind('resize', resizeAndScrollHandler);\r\n viewport.bind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function unbindEvents() {\r\n viewport.unbind('resize', resizeAndScrollHandler);\r\n viewport.unbind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function reload() {\r\n viewport.resetTopPadding();\r\n viewport.resetBottomPadding();\r\n if (arguments.length) {\r\n startIndex = arguments[0];\r\n }\r\n buffer.reset(startIndex);\r\n persistDatasourceIndex(datasource, 'minIndex');\r\n persistDatasourceIndex(datasource, 'maxIndex');\r\n doAdjust();\r\n }\r\n\r\n function isElementVisible(wrapper) {\r\n return wrapper.element.height() && wrapper.element[0].offsetParent;\r\n }\r\n\r\n function visibilityWatcher(wrapper) {\r\n if (isElementVisible(wrapper)) {\r\n buffer.forEach((item) => {\r\n if (typeof item.unregisterVisibilityWatcher === 'function') {\r\n item.unregisterVisibilityWatcher();\r\n delete item.unregisterVisibilityWatcher;\r\n }\r\n });\r\n if (!pending.length) {\r\n $timeout(() => doAdjust());\r\n }\r\n }\r\n }\r\n\r\n function insertWrapperContent(wrapper, insertAfter) {\r\n createElement(wrapper, insertAfter, viewport.insertElement);\r\n if (!isElementVisible(wrapper)) {\r\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\r\n }\r\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\r\n }\r\n\r\n function createElement(wrapper, insertAfter, insertElement) {\r\n let promises = null;\r\n const sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\r\n linker((clone, scope) => {\r\n promises = insertElement(clone, sibling);\r\n wrapper.element = clone;\r\n wrapper.scope = scope;\r\n scope[itemName] = wrapper.item;\r\n });\r\n // ui-scroll-grid apply\r\n if (adapter.transform) {\r\n const tdInitializer = wrapper.scope.uiScrollTdInitializer;\r\n if (tdInitializer && tdInitializer.linking) {\r\n adapter.transform(wrapper.scope, wrapper.element);\r\n } else {\r\n wrapper.scope.uiScrollTdInitializer = {\r\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\r\n scope: wrapper.scope\r\n };\r\n }\r\n }\r\n return promises;\r\n }\r\n\r\n function updateDOM() {\r\n let promises = [];\r\n const toBePrepended = [];\r\n const toBeRemoved = [];\r\n const inserted = [];\r\n\r\n buffer.forEach((wrapper, i) => {\r\n switch (wrapper.op) {\r\n case 'prepend':\r\n toBePrepended.unshift(wrapper);\r\n break;\r\n case 'append':\r\n insertWrapperContent(wrapper, i);\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'insert':\r\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'remove':\r\n toBeRemoved.push(wrapper);\r\n }\r\n });\r\n\r\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\r\n\r\n if (toBePrepended.length)\r\n toBePrepended.forEach((wrapper) => {\r\n insertWrapperContent(wrapper);\r\n wrapper.op = 'none';\r\n });\r\n\r\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\r\n\r\n return {\r\n prepended: toBePrepended,\r\n removed: toBeRemoved,\r\n inserted: inserted,\r\n animated: promises\r\n };\r\n\r\n }\r\n\r\n function updatePaddings(rid, updates) {\r\n // schedule another doAdjust after animation completion\r\n if (updates.animated.length) {\r\n $q.all(updates.animated).then(() => {\r\n viewport.adjustPaddings();\r\n doAdjust(rid);\r\n });\r\n } else {\r\n viewport.adjustPaddings();\r\n }\r\n }\r\n\r\n function enqueueFetch(rid, updates) {\r\n if (viewport.shouldLoadBottom()) {\r\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n if (pending.push(true) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n } else if (viewport.shouldLoadTop()) {\r\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\r\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\r\n if (pending.push(false) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n }\r\n }\r\n\r\n function processUpdates() {\r\n const updates = updateDOM();\r\n\r\n // We need the item bindings to be processed before we can do adjustments\r\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\r\n\r\n updates.inserted.forEach(w => elementRoutines.showElement(w));\r\n updates.prepended.forEach(w => elementRoutines.showElement(w));\r\n return updates;\r\n }\r\n\r\n function doAdjust(rid) {\r\n if (!rid) { // dismiss pending requests\r\n pending = [];\r\n rid = ++ridActual;\r\n }\r\n\r\n const updates = processUpdates();\r\n\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n updatePaddings(rid, updates);\r\n enqueueFetch(rid);\r\n\r\n if (!pending.length) {\r\n adapter.calculateProperties();\r\n }\r\n }\r\n\r\n function doAdjustAfterFetch(rid) {\r\n const updates = processUpdates();\r\n\r\n viewport.onAfterPrepend(updates);\r\n\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n updatePaddings(rid, updates);\r\n onRenderHandlersRunner();\r\n enqueueFetch(rid, updates);\r\n pending.shift();\r\n\r\n if (pending.length)\r\n fetch(rid);\r\n else {\r\n adapter.loading(false);\r\n bindEvents();\r\n adapter.calculateProperties();\r\n }\r\n }\r\n\r\n function fetch(rid) {\r\n if (pending[0]) {// scrolling down\r\n if (buffer.length && !viewport.shouldLoadBottom()) {\r\n doAdjustAfterFetch(rid);\r\n } else {\r\n fetchNext((result) => {\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n if (result.length < bufferSize) {\r\n buffer.eof = true;\r\n }\r\n\r\n if (result.length > 0) {\r\n viewport.clipTop();\r\n buffer.append(result);\r\n }\r\n\r\n doAdjustAfterFetch(rid);\r\n });\r\n }\r\n } else { // scrolling up\r\n if (buffer.length && !viewport.shouldLoadTop()) {\r\n doAdjustAfterFetch(rid);\r\n } else {\r\n fetchPrevious((result) => {\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n if (result.length < bufferSize) {\r\n buffer.bof = true;\r\n // log 'bof is reached'\r\n }\r\n\r\n if (result.length > 0) {\r\n if (buffer.length) {\r\n viewport.clipBottom();\r\n }\r\n buffer.prepend(result);\r\n }\r\n\r\n doAdjustAfterFetch(rid);\r\n });\r\n }\r\n }\r\n }\r\n\r\n function resizeAndScrollHandler() {\r\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\r\n\r\n enqueueFetch(ridActual);\r\n\r\n if (pending.length) {\r\n unbindEvents();\r\n } else {\r\n adapter.calculateProperties();\r\n !$scope.$$phase && $scope.$digest();\r\n }\r\n }\r\n }\r\n\r\n function wheelHandler(event) {\r\n if (!adapter.disabled) {\r\n const scrollTop = viewport[0].scrollTop;\r\n const yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\r\n\r\n if ((scrollTop === 0 && !buffer.bof) || (scrollTop === yMax && !buffer.eof)) {\r\n event.preventDefault();\r\n }\r\n }\r\n }\r\n }\r\n\r\n }\r\n ]);\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll.js"],"sourceRoot":""} \ No newline at end of file diff --git a/src/modules/adapter.js b/src/modules/adapter.js index 358c1ae7..42b138d7 100644 --- a/src/modules/adapter.js +++ b/src/modules/adapter.js @@ -1,9 +1,12 @@ class Adapter { - constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope) { + constructor($scope, $parse, $attr, viewport, buffer, doAdjust, reload) { + this.$parse = $parse; + this.$attr = $attr; this.viewport = viewport; this.buffer = buffer; - this.adjustBuffer = adjustBuffer; + + this.doAdjust = doAdjust; this.reload = reload; this.isLoading = false; @@ -13,19 +16,19 @@ class Adapter { this.startScope = viewportScope.$parent ? viewportScope : $scope; this.publicContext = {}; - this.assignAdapter($attr.adapter, $parse); - this.generatePublicContext($attr, $parse); + this.assignAdapter($attr.adapter); + this.generatePublicContext(); } - assignAdapter(adapterAttr, $parse) { + assignAdapter(adapterAttr) { if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\s+|\s+$/gm, ''))) { return; } let adapterOnScope; try { - $parse(adapterAttr).assign(this.startScope, {}); - adapterOnScope = $parse(adapterAttr)(this.startScope); + this.$parse(adapterAttr).assign(this.startScope, {}); + adapterOnScope = this.$parse(adapterAttr)(this.startScope); } catch (error) { error.message = `Angular ui-scroll Adapter assignment exception.\n` + @@ -34,11 +37,11 @@ class Adapter { throw error; } - angular.extend(adapterOnScope, this.publicContext); + Object.assign(adapterOnScope, this.publicContext); this.publicContext = adapterOnScope; } - generatePublicContext($attr, $parse) { + generatePublicContext() { // these methods will be accessible out of ui-scroll via user defined adapter const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty']; for (let i = publicMethods.length - 1; i >= 0; i--) { @@ -48,14 +51,14 @@ class Adapter { // these read-only props will be accessible out of ui-scroll via user defined adapter const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope']; for (let i = publicProps.length - 1; i >= 0; i--) { - let property, attr = $attr[publicProps[i]]; + let property, attr = this.$attr[publicProps[i]]; Object.defineProperty(this, publicProps[i], { get: () => property, set: (value) => { property = value; this.publicContext[publicProps[i]] = value; if (attr) { - $parse(attr).assign(this.startScope, value); + this.$parse(attr).assign(this.startScope, value); } } }); @@ -64,12 +67,12 @@ class Adapter { // non-read-only public property Object.defineProperty(this.publicContext, 'disabled', { get: () => this.disabled, - set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null + set: (value) => (!(this.disabled = value)) ? this.doAdjust() : null }); } loading(value) { - this['isLoading'] = value; + this.isLoading = value; } isBOF() { @@ -86,25 +89,25 @@ class Adapter { append(newItems) { this.buffer.append(newItems); - this.adjustBuffer(); + this.doAdjust(); this.viewport.clipTop(); this.viewport.clipBottom(); } prepend(newItems) { this.buffer.prepend(newItems); - this.adjustBuffer(); + this.doAdjust(); this.viewport.clipTop(); this.viewport.clipBottom(); } applyUpdates(arg1, arg2) { - if (angular.isFunction(arg1)) { + if (typeof arg1 === 'function') { this.applyUpdatesFunc(arg1); } else { this.applyUpdatesIndex(arg1, arg2); } - this.adjustBuffer(); + this.doAdjust(); } applyUpdatesFunc(cb) { @@ -127,7 +130,7 @@ class Adapter { } // out-of-buffer case: deletion may affect Paddings else if(index >= this.buffer.getAbsMinIndex() && index <= this.buffer.getAbsMaxIndex()) { - if(angular.isArray(newItems) && !newItems.length) { + if(Array.isArray(newItems) && !newItems.length) { this.viewport.removeCacheItem(index, index === this.buffer.minIndex); if(index === this.buffer.getAbsMinIndex()) { this.buffer.incrementMinIndex(); @@ -140,7 +143,7 @@ class Adapter { } applyUpdate(wrapper, newItems) { - if (!angular.isArray(newItems)) { + if (!Array.isArray(newItems)) { return; } let position = this.buffer.indexOf(wrapper); diff --git a/src/modules/buffer.js b/src/modules/buffer.js index f42cff2b..03a79a88 100644 --- a/src/modules/buffer.js +++ b/src/modules/buffer.js @@ -1,7 +1,7 @@ -export default function ScrollBuffer(elementRoutines, bufferSize) { +export default function ScrollBuffer(elementRoutines, bufferSize, startIndex) { const buffer = Object.create(Array.prototype); - angular.extend(buffer, { + Object.assign(buffer, { size: bufferSize, reset(startIndex) { @@ -67,12 +67,11 @@ export default function ScrollBuffer(elementRoutines, bufferSize) { // removes elements from buffer remove(arg1, arg2) { - if (angular.isNumber(arg1)) { + if (Number.isInteger(arg1)) { // removes items from arg1 (including) through arg2 (excluding) for (let i = arg1; i < arg2; i++) { elementRoutines.removeElement(buffer[i]); } - return buffer.splice(arg1, arg2 - arg1); } // removes single item(wrapper) from the buffer @@ -149,5 +148,7 @@ export default function ScrollBuffer(elementRoutines, bufferSize) { }); + buffer.reset(startIndex); + return buffer; } \ No newline at end of file diff --git a/src/modules/jqLiteExtras.js b/src/modules/jqLiteExtras.js index 44abf9da..7705db92 100644 --- a/src/modules/jqLiteExtras.js +++ b/src/modules/jqLiteExtras.js @@ -42,13 +42,14 @@ export default class JQLiteExtras { ] }[direction]; + const isValueDefined = typeof value !== 'undefined'; if (isWindow(elem)) { - if (angular.isDefined(value)) { + if (isValueDefined) { return elem.scrollTo(self[preserve].call(self), value); } return (prop in elem) ? elem[prop] : elem.document.documentElement[method]; } else { - if (angular.isDefined(value)) { + if (isValueDefined) { elem[method] = value; } return elem[method]; @@ -197,8 +198,8 @@ export default class JQLiteExtras { height (value){ var self; self = this; - if (angular.isDefined(value)) { - if (angular.isNumber(value)) { + if (typeof value !== 'undefined') { + if (Number.isInteger(value)) { value = value + 'px'; } return css.call(self, 'height', value); diff --git a/src/modules/viewport.js b/src/modules/viewport.js index 3d384f79..7939c18a 100644 --- a/src/modules/viewport.js +++ b/src/modules/viewport.js @@ -17,7 +17,7 @@ export default function Viewport(elementRoutines, buffer, element, viewportContr return viewport.outerHeight() * padding; // some extra space to initiate preload } - angular.extend(viewport, { + Object.assign(viewport, { getScope() { return scope; }, @@ -170,8 +170,7 @@ export default function Viewport(elementRoutines, buffer, element, viewportContr if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) { let diff = topPadding.height() - topPaddingHeightOld; viewport.scrollTop(viewport.scrollTop() + diff); - diff -= viewport.scrollTop(); - if(diff > 0) { + while((diff -= viewport.scrollTop()) > 0) { bottomPadding.height(bottomPadding.height() + diff); viewport.scrollTop(viewport.scrollTop() + diff); } diff --git a/src/ui-scroll-grid.js b/src/ui-scroll-grid.js index 2aef2430..e5737a33 100644 --- a/src/ui-scroll-grid.js +++ b/src/ui-scroll-grid.js @@ -44,7 +44,7 @@ angular.module('ui.scroll.grid', []) // controller api methods this.applyLayout = function(layout) { - this.css = angular.extend({}, layout.css); + this.css = Object.assign({}, layout.css); this.mapTo = layout.mapTo; applyCss(this.header, this.css); }; @@ -158,7 +158,7 @@ angular.module('ui.scroll.grid', []) let result = []; columns.forEach((column, index) => result.push({ index: index, - css: angular.extend({}, column.css), + css: Object.assign({}, column.css), mapTo: column.mapTo })); return result; diff --git a/src/ui-scroll.js b/src/ui-scroll.js index 1dc0ff03..5f03fd61 100644 --- a/src/ui-scroll.js +++ b/src/ui-scroll.js @@ -22,11 +22,11 @@ angular.module('ui.scroll', []) this.viewport = element; this.scope = scope; - angular.forEach(element.children(), (child => { + angular.forEach(element.children(), child => { if (child.tagName.toLowerCase() === 'tbody') { this.viewport = angular.element(child); } - })); + }); return this; } @@ -78,19 +78,21 @@ angular.module('ui.scroll', []) const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT)); const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT)); let startIndex = parseNumericAttr($attr.startIndex, 1); - let ridActual = 0;// current data revision id + let ridActual = 0; // current data revision id let pending = []; const elementRoutines = new ElementRoutines($injector, $q); - const buffer = new ScrollBuffer(elementRoutines, bufferSize); + const buffer = new ScrollBuffer(elementRoutines, bufferSize, startIndex); const viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding); - const adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, $scope); + const adapter = new Adapter($scope, $parse, $attr, viewport, buffer, doAdjust, reload); if (viewportController) { viewportController.adapter = adapter; } - const isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get); + const isDatasourceValid = () => + Object.prototype.toString.call(datasource) === '[object Object]' && typeof datasource.get === 'function'; + datasource = $parse(datasourceName)($scope); // try to get datasource on scope if (!isDatasourceValid()) { datasource = $injector.get(datasourceName); // try to inject datasource as service @@ -101,31 +103,38 @@ angular.module('ui.scroll', []) let onRenderHandlers = []; function onRenderHandlersRunner() { - if(onRenderHandlers.length) { - angular.forEach(onRenderHandlers, (handler) => handler()); - onRenderHandlers = []; - } + onRenderHandlers.forEach(handler => handler.run()); + onRenderHandlers = []; } - function preDefineIndexProperty(datasource, propName) { + function persistDatasourceIndex(datasource, propName) { let getter; // need to postpone min/maxIndexUser processing if the view is empty - if(datasource.hasOwnProperty(propName) && !buffer.length) { + if(Number.isInteger(datasource[propName])) { getter = datasource[propName]; - delete datasource[propName]; - onRenderHandlers.push(() => datasource[propName] = getter); + if(Number.isInteger(getter)) { + onRenderHandlers = onRenderHandlers.filter(handler => handler.id !== propName); + onRenderHandlers.push({ + id: propName, + run: () => datasource[propName] = getter + }); + } } } - function defineIndexProperty(datasource, propName, propUserName) { + function defineDatasourceIndex(datasource, propName, propUserName) { const descriptor = Object.getOwnPropertyDescriptor(datasource, propName); if (descriptor && (descriptor.set || descriptor.get)) { return; } let getter; - preDefineIndexProperty(datasource, propName); + persistDatasourceIndex(datasource, propName); Object.defineProperty(datasource, propName, { set: (value) => { getter = value; + if(pending.length && !buffer.length) { + persistDatasourceIndex(datasource, propName); + return; + } buffer[propUserName] = value; const topPaddingHeightOld = viewport.topDataPos(); viewport.adjustPaddings(); @@ -137,8 +146,8 @@ angular.module('ui.scroll', []) }); } - defineIndexProperty(datasource, 'minIndex', 'minIndexUser'); - defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser'); + defineDatasourceIndex(datasource, 'minIndex', 'minIndexUser'); + defineDatasourceIndex(datasource, 'maxIndex', 'maxIndexUser'); const fetchNext = (datasource.get.length !== 2) ? (success) => datasource.get(buffer.next, bufferSize, success) : @@ -160,14 +169,14 @@ angular.module('ui.scroll', []) }, success); }; - const run = () => { + const initialize = () => { let tryCount = 0; if(!viewport.applyContainerStyle()) { const timer = $interval(() => { tryCount++; if(viewport.applyContainerStyle()) { $interval.cancel(timer); - reload(); + doAdjust(); } if(tryCount * VIEWPORT_POLLING_INTERVAL >= MAX_VIEWPORT_DELAY) { $interval.cancel(timer); @@ -176,7 +185,7 @@ angular.module('ui.scroll', []) }, VIEWPORT_POLLING_INTERVAL); } else { - reload(); + doAdjust(); } }; @@ -203,7 +212,7 @@ angular.module('ui.scroll', []) viewport.bind('mousewheel', wheelHandler); - run(); + initialize(); /* Private function definitions */ @@ -228,7 +237,9 @@ angular.module('ui.scroll', []) startIndex = arguments[0]; } buffer.reset(startIndex); - adjustBuffer(); + persistDatasourceIndex(datasource, 'minIndex'); + persistDatasourceIndex(datasource, 'maxIndex'); + doAdjust(); } function isElementVisible(wrapper) { @@ -238,13 +249,13 @@ angular.module('ui.scroll', []) function visibilityWatcher(wrapper) { if (isElementVisible(wrapper)) { buffer.forEach((item) => { - if (angular.isFunction(item.unregisterVisibilityWatcher)) { + if (typeof item.unregisterVisibilityWatcher === 'function') { item.unregisterVisibilityWatcher(); delete item.unregisterVisibilityWatcher; } }); if (!pending.length) { - $timeout(() => adjustBuffer()); + $timeout(() => doAdjust()); } } } @@ -327,11 +338,11 @@ angular.module('ui.scroll', []) } function updatePaddings(rid, updates) { - // schedule another adjustBuffer after animation completion + // schedule another doAdjust after animation completion if (updates.animated.length) { $q.all(updates.animated).then(() => { viewport.adjustPaddings(); - adjustBuffer(rid); + doAdjust(rid); }); } else { viewport.adjustPaddings(); @@ -371,7 +382,7 @@ angular.module('ui.scroll', []) return updates; } - function adjustBuffer(rid) { + function doAdjust(rid) { if (!rid) { // dismiss pending requests pending = []; rid = ++ridActual; @@ -391,7 +402,7 @@ angular.module('ui.scroll', []) } } - function adjustBufferAfterFetch(rid) { + function doAdjustAfterFetch(rid) { const updates = processUpdates(); viewport.onAfterPrepend(updates); @@ -417,7 +428,7 @@ angular.module('ui.scroll', []) function fetch(rid) { if (pending[0]) {// scrolling down if (buffer.length && !viewport.shouldLoadBottom()) { - adjustBufferAfterFetch(rid); + doAdjustAfterFetch(rid); } else { fetchNext((result) => { if (isInvalid(rid)) { @@ -433,12 +444,12 @@ angular.module('ui.scroll', []) buffer.append(result); } - adjustBufferAfterFetch(rid); + doAdjustAfterFetch(rid); }); } } else { // scrolling up if (buffer.length && !viewport.shouldLoadTop()) { - adjustBufferAfterFetch(rid); + doAdjustAfterFetch(rid); } else { fetchPrevious((result) => { if (isInvalid(rid)) { @@ -457,7 +468,7 @@ angular.module('ui.scroll', []) buffer.prepend(result); } - adjustBufferAfterFetch(rid); + doAdjustAfterFetch(rid); }); } } diff --git a/test/BasicSetupSpec.js b/test/BasicSetupSpec.js index dbbd6621..d732b31d 100644 --- a/test/BasicSetupSpec.js +++ b/test/BasicSetupSpec.js @@ -1,4 +1,4 @@ -/*global describe, beforeEach, module, inject, it, spyOn, expect, $, runTest */ +/*global describe, beforeEach, module, inject, it, spyOn, expect, $, runTest, Helper */ describe('uiScroll', function() { 'use strict'; @@ -53,11 +53,11 @@ describe('uiScroll', function() { var topPadding = viewport.children()[0]; expect(topPadding.tagName.toLowerCase()).toBe('div'); - expect(angular.element(topPadding).css('height')).toBe('0px'); + expect(Helper.getTopPadding(viewport)).toBe(0); var bottomPadding = viewport.children()[1]; expect(bottomPadding.tagName.toLowerCase()).toBe('div'); - expect(angular.element(bottomPadding).css('height')).toBe('0px'); + expect(Helper.getBottomPadding(viewport)).toBe(0); } ); }); diff --git a/test/BasicTestsSpec.js b/test/BasicTestsSpec.js index 31f069c0..01789725 100644 --- a/test/BasicTestsSpec.js +++ b/test/BasicTestsSpec.js @@ -1,4 +1,4 @@ -/*global describe, beforeEach, module, inject, it, spyOn, expect, runTest */ +/*global describe, beforeEach, module, inject, it, spyOn, expect, runTest, Helper */ describe('uiScroll', function () { 'use strict'; @@ -119,8 +119,8 @@ describe('uiScroll', function () { var itemsWithPaddings = itemsLoaded + 2; expect(viewport.children().length).toBe(itemsWithPaddings); expect(viewport.scrollTop()).toBe(0); - expect(viewport.children().css('height')).toBe('0px'); - expect(angular.element(viewport.children()[itemsWithPaddings - 1]).css('height')).toBe('0px'); + expect(Helper.getTopPadding(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); for (var i = 1; i < itemsLoaded; i++) { var row = viewport.children()[i]; @@ -160,8 +160,8 @@ describe('uiScroll', function () { inject(function () { expect(viewport.children().length).toBe(itemsWithPaddings); expect(viewport.scrollTop()).toBe(100); - expect(viewport.children().css('height')).toBe('0px'); - expect(angular.element(viewport.children()[itemsWithPaddings-1]).css('height')).toBe('0px'); + expect(Helper.getTopPadding(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); for (var i = 1; i < itemsLoaded; i++) { var row = viewport.children()[i]; @@ -208,8 +208,8 @@ describe('uiScroll', function () { expect(viewport.children().length).toBe(itemsWithPaddings); expect(viewport.scrollTop()).toBe(280); - expect(viewport.children().css('height')).toBe('160px'); - expect(angular.element(viewport.children()[itemsWithPaddings-1]).css('height')).toBe('0px'); + expect(Helper.getTopPadding(viewport)).toBe(160); + expect(Helper.getBottomPadding(viewport)).toBe(0); for (var i = 1; i <= itemsLoaded; i++) { var row = viewport.children()[i]; @@ -263,8 +263,8 @@ describe('uiScroll', function () { expect(viewport.children().length).toBe(itemsWithPaddings); expect(viewport.scrollTop()).toBe(0); - expect(viewport.children().css('height')).toBe('0px'); - expect(angular.element(viewport.children()[itemsWithPaddings-1]).css('height')).toBe('280px'); + expect(Helper.getTopPadding(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(280); for (var i = 1; i <= itemsLoaded; i++) { var row = viewport.children()[i]; @@ -511,13 +511,11 @@ describe('uiScroll', function () { it('should calculate top padding element\'s height during scroll down', function () { runTest(scrollSettings, function (viewport) { - var topPaddingElement = angular.element(viewport.children()[0]); - // scroll down + expectation for(var i = 0; i < 6; i++) { viewport.scrollTop(5000); viewport.trigger('scroll'); - expect(topPaddingElement.height()).toBe(itemHeight * bufferSize * (i + 1)); + expect(Helper.getTopPadding(viewport)).toBe(itemHeight * bufferSize * (i + 1)); } } ); @@ -526,13 +524,11 @@ describe('uiScroll', function () { it('should calculate bottom padding element\'s height during scroll up', function () { runTest(scrollSettings, function (viewport) { - var bottomPaddingElement = angular.element(viewport.children()[viewport.children().length - 1]); - // scroll up + expectation for(var i = 0; i < 6; i++) { viewport.scrollTop(-5000); viewport.trigger('scroll'); - expect(bottomPaddingElement.height()).toBe(itemHeight * bufferSize * (i + 1)); + expect(Helper.getBottomPadding(viewport)).toBe(itemHeight * bufferSize * (i + 1)); } } @@ -542,9 +538,6 @@ describe('uiScroll', function () { it('should calculate both padding elements heights during scroll down and up', function () { runTest(scrollSettings, function (viewport) { - var topPaddingElement = angular.element(viewport.children()[0]); - var bottomPaddingElement = angular.element(viewport.children()[viewport.children().length - 1]); - var scrollDelta = itemHeight * bufferSize; var i, scrollIteration = 7; @@ -552,24 +545,24 @@ describe('uiScroll', function () { for(i = 0; i < scrollIteration; i++) { viewport.scrollTop(viewport.scrollTop() + scrollDelta); viewport.trigger('scroll'); - expect(topPaddingElement.height()).toBe(itemHeight * bufferSize * (i + 1)); - expect(bottomPaddingElement.height()).toBe(0); + expect(Helper.getTopPadding(viewport)).toBe(itemHeight * bufferSize * (i + 1)); + expect(Helper.getBottomPadding(viewport)).toBe(0); } // scroll up + expectation for(i = 0; i < scrollIteration; i++) { viewport.scrollTop(viewport.scrollTop() - scrollDelta); viewport.trigger('scroll'); - expect(topPaddingElement.height()).toBe(itemHeight * bufferSize * (scrollIteration - i - 1)); - expect(bottomPaddingElement.height()).toBe(itemHeight * bufferSize * (i + 1)); + expect(Helper.getTopPadding(viewport)).toBe(itemHeight * bufferSize * (scrollIteration - i - 1)); + expect(Helper.getBottomPadding(viewport)).toBe(itemHeight * bufferSize * (i + 1)); } // further scroll up + expectation for(i = scrollIteration; i < 2*scrollIteration; i++) { viewport.scrollTop(viewport.scrollTop() - scrollDelta); viewport.trigger('scroll'); - expect(topPaddingElement.height()).toBe(0); - expect(bottomPaddingElement.height()).toBe(itemHeight * bufferSize * (i + 1)); + expect(Helper.getTopPadding(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(itemHeight * bufferSize * (i + 1)); } } ); diff --git a/test/PaddingsSpec.js b/test/PaddingsSpec.js index c170498d..5cb241eb 100644 --- a/test/PaddingsSpec.js +++ b/test/PaddingsSpec.js @@ -1,4 +1,4 @@ -/*global describe, beforeEach, module, it, expect, runTest */ +/*global describe, beforeEach, module, it, expect, runTest, Helper */ describe('uiScroll Paddings spec.', () => { 'use strict'; @@ -32,18 +32,6 @@ describe('uiScroll Paddings spec.', () => { datasource.maxIndex = datasource.max; } - function getBottomPaddingHeight(viewport) { - const viewportChildren = viewport.children(); - const bottomPadding = viewportChildren[viewportChildren.length - 1]; - return parseInt(angular.element(bottomPadding).css('height'), 10); - } - - function getTopPaddingHeight(viewport) { - const viewportChildren = viewport.children(); - const topPadding = viewportChildren[0]; - return parseInt(angular.element(topPadding).css('height'), 10); - } - function scrollBottom(viewport, count = 1) { for (var i = 0; i < count; i++) { viewport.scrollTop(99999); @@ -116,11 +104,11 @@ describe('uiScroll Paddings spec.', () => { scrollBottom(viewport, MAX); outside && scrollTop(viewport); - const initialBottomHeight = getBottomPaddingHeight(viewport); + const initialBottomHeight = Helper.getBottomPadding(viewport); removeItem(datasource, datasource.max); scope.adapter.applyUpdates(itemsCount, []); - outside && expect(getBottomPaddingHeight(viewport)).toBe(initialBottomHeight - itemHeight); + outside && expect(Helper.getBottomPadding(viewport)).toBe(initialBottomHeight - itemHeight); !outside && scrollTop(viewport); scrollBottom(viewport, MAX); @@ -142,12 +130,12 @@ describe('uiScroll Paddings spec.', () => { scrollBottom(viewport, MAX); outside && scrollTop(viewport); - const initialBottomHeight = getBottomPaddingHeight(viewport); + const initialBottomHeight = Helper.getBottomPadding(viewport); removeItem(datasource, datasource.max); scope.adapter.applyUpdates(itemsCount, []); removeItem(datasource, datasource.max); scope.adapter.applyUpdates(itemsCount - 1, []); - outside && expect(getBottomPaddingHeight(viewport)).toBe(initialBottomHeight - itemHeight * 2); + outside && expect(Helper.getBottomPadding(viewport)).toBe(initialBottomHeight - itemHeight * 2); !outside && scrollTop(viewport); scrollBottom(viewport, MAX); @@ -169,10 +157,10 @@ describe('uiScroll Paddings spec.', () => { scrollBottom(viewport, MAX); outside && scrollTop(viewport); - const initialBottomHeight = getBottomPaddingHeight(viewport); + const initialBottomHeight = Helper.getBottomPadding(viewport); removeItem(datasource, datasource.max - 1); scope.adapter.applyUpdates(itemsCount - 1, []); - outside && expect(getBottomPaddingHeight(viewport)).toBe(initialBottomHeight - itemHeight); + outside && expect(Helper.getBottomPadding(viewport)).toBe(initialBottomHeight - itemHeight); !outside && scrollTop(viewport); scrollBottom(viewport, MAX); @@ -194,16 +182,16 @@ describe('uiScroll Paddings spec.', () => { outside && scrollBottom(viewport, MAX); - const initialTopHeight = getTopPaddingHeight(viewport); + const initialTopHeight = Helper.getTopPadding(viewport); removeItem(datasource, datasource.min); scope.adapter.applyUpdates(1, []); - outside && expect(getTopPaddingHeight(viewport)).toBe(initialTopHeight - itemHeight); + outside && expect(Helper.getTopPadding(viewport)).toBe(initialTopHeight - itemHeight); !outside && scrollBottom(viewport, MAX); - expect(getBottomPaddingHeight(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); scrollTop(viewport); - expect(getTopPaddingHeight(viewport)).toBe(0); + expect(Helper.getTopPadding(viewport)).toBe(0); checkRow(viewport, 1, '2: item2'); } ) @@ -220,18 +208,18 @@ describe('uiScroll Paddings spec.', () => { outside && scrollBottom(viewport, MAX); - const initialTopHeight = getTopPaddingHeight(viewport); + const initialTopHeight = Helper.getTopPadding(viewport); removeItem(datasource, datasource.min); scope.adapter.applyUpdates(1, []); removeItem(datasource, datasource.min); scope.adapter.applyUpdates(2, []); - outside && expect(getTopPaddingHeight(viewport)).toBe(initialTopHeight - itemHeight * 2); + outside && expect(Helper.getTopPadding(viewport)).toBe(initialTopHeight - itemHeight * 2); !outside && scrollBottom(viewport, MAX); - expect(getBottomPaddingHeight(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); scrollTop(viewport); - expect(getTopPaddingHeight(viewport)).toBe(0); + expect(Helper.getTopPadding(viewport)).toBe(0); checkRow(viewport, 1, '3: item3'); } ) @@ -248,16 +236,16 @@ describe('uiScroll Paddings spec.', () => { outside && scrollBottom(viewport, MAX); - const initialTopHeight = getTopPaddingHeight(viewport); + const initialTopHeight = Helper.getTopPadding(viewport); removeItem(datasource, datasource.min + 1); scope.adapter.applyUpdates(2, []); - outside && expect(getTopPaddingHeight(viewport)).toBe(initialTopHeight - itemHeight * 1); + outside && expect(Helper.getTopPadding(viewport)).toBe(initialTopHeight - itemHeight * 1); !outside && scrollBottom(viewport, MAX); - expect(getBottomPaddingHeight(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); scrollTop(viewport); - expect(getTopPaddingHeight(viewport)).toBe(0); + expect(Helper.getTopPadding(viewport)).toBe(0); checkRow(viewport, 1, '1: item1'); checkRow(viewport, 2, '2: item3'); } @@ -337,11 +325,11 @@ describe('uiScroll Paddings spec.', () => { scope.adapter.applyUpdates(2, []); scrollBottom(viewport, MAX); - expect(getBottomPaddingHeight(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); checkRowBack(viewport, 1, (itemsCount - 1) + ': item' + itemsCount); scrollTop(viewport); - expect(getTopPaddingHeight(viewport)).toBe(0); + expect(Helper.getTopPadding(viewport)).toBe(0); checkRow(viewport, 1, '1: item1'); checkRow(viewport, 2, '2: item3'); } @@ -359,11 +347,11 @@ describe('uiScroll Paddings spec.', () => { scope.adapter.applyUpdates(19, []); scrollBottom(viewport); - expect(getBottomPaddingHeight(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); checkRowBack(viewport, 1, (itemsCount - 1) + ': item' + itemsCount); scrollTop(viewport); - expect(getTopPaddingHeight(viewport)).toBe(0); + expect(Helper.getTopPadding(viewport)).toBe(0); } ) ) @@ -379,11 +367,11 @@ describe('uiScroll Paddings spec.', () => { scope.adapter.applyUpdates(1, []); scrollBottom(viewport, MAX); - expect(getBottomPaddingHeight(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); checkRowBack(viewport, 1, itemsCount + ': item' + itemsCount); scrollTop(viewport); - expect(getTopPaddingHeight(viewport)).toBe(0); + expect(Helper.getTopPadding(viewport)).toBe(0); checkRow(viewport, 1, '2: item2'); checkRow(viewport, 2, '3: item3'); } @@ -401,11 +389,11 @@ describe('uiScroll Paddings spec.', () => { scope.adapter.applyUpdates(itemsCount, []); scrollBottom(viewport, MAX); - expect(getBottomPaddingHeight(viewport)).toBe(0); + expect(Helper.getBottomPadding(viewport)).toBe(0); checkRowBack(viewport, 1, (itemsCount - 1) + ': item' + (itemsCount - 1)); scrollTop(viewport); - expect(getTopPaddingHeight(viewport)).toBe(0); + expect(Helper.getTopPadding(viewport)).toBe(0); checkRow(viewport, 1, '1: item1'); checkRow(viewport, 2, '2: item2'); } diff --git a/test/UserIndicesSpec.js b/test/UserIndicesSpec.js new file mode 100644 index 00000000..28be1832 --- /dev/null +++ b/test/UserIndicesSpec.js @@ -0,0 +1,178 @@ +/*global describe, beforeEach, module, inject, it, expect, runTest, Helper */ +describe('uiScroll main/max indices', function() { + 'use strict'; + + let datasource; + beforeEach(module('ui.scroll')); + beforeEach(module('ui.scroll.test.datasources')); + + const injectDatasource = (datasourceToken) => + beforeEach( + inject([datasourceToken, function(_datasource) { + datasource = _datasource; + }]) + ); + + const viewportHeight = 120; + const itemHeight = 20; + const bufferSize = 3; + const userMinIndex = -99; // for 100 items + const userMaxIndex = 100; + + const scrollSettings = { + datasource: 'myInfiniteDatasource', + viewportHeight: viewportHeight, + itemHeight: itemHeight, + bufferSize: bufferSize, + adapter: 'adapter' + }; + + describe('Setting\n', () => { + injectDatasource('myInfiniteDatasource'); + + it('should set up bottom padding element\'s height after user max index is set', () => + runTest(scrollSettings, + (viewport) => { + expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); + + datasource.maxIndex = userMaxIndex; + + const virtualItemsAmount = userMaxIndex - (viewportHeight / itemHeight) - bufferSize; + expect(Helper.getBottomPadding(viewport)).toBe(itemHeight * virtualItemsAmount); + expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); + } + ) + ); + + it('should set up top padding element\'s height after user min index is set', () => + runTest(scrollSettings, + (viewport) => { + expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); + + datasource.minIndex = userMinIndex; + + const virtualItemsAmount = (-1) * userMinIndex - bufferSize + 1; + expect(Helper.getTopPadding(viewport)).toBe(itemHeight * virtualItemsAmount); + expect(viewport.scrollTop()).toBe(itemHeight * ((-1) * userMinIndex + 1)); + } + ) + ); + + }); + + describe('Pre-setting\n', () => { + injectDatasource('myInfiniteDatasource'); + + it('should work with maxIndex pre-set on datasource', () => { + datasource.maxIndex = userMaxIndex; + runTest(scrollSettings, + (viewport) => { + const virtualItemsAmount = userMaxIndex - (viewportHeight / itemHeight) - bufferSize; + expect(Helper.getBottomPadding(viewport)).toBe(itemHeight * virtualItemsAmount); + expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); + } + ); + }); + + it('should work with minIndex pre-set on datasource', () => { + datasource.minIndex = userMinIndex; + runTest(scrollSettings, + (viewport) => { + const virtualItemsAmount = (-1) * userMinIndex - bufferSize + 1; + expect(Helper.getTopPadding(viewport)).toBe(itemHeight * virtualItemsAmount); + expect(viewport.scrollTop()).toBe(itemHeight * ((-1) * userMinIndex + 1)); + } + ); + }); + + it('should work when the viewport is big enough to include more than 1 pack of item (last)', () => { + const viewportHeight = 450; + const _topItemsCount = Math.round(viewportHeight * 0.5 / itemHeight); + const _topPackCount = Math.ceil(_topItemsCount / bufferSize); + const _minIndex = (-1) * _topPackCount * bufferSize + 1; // one additinal adjustment should occur + datasource.minIndex = _minIndex; + datasource.maxIndex = userMaxIndex; + runTest(Object.assign({}, scrollSettings, { viewportHeight }), + (viewport) => { + expect(Helper.getTopPadding(viewport)).toBe(0); + expect(viewport.scrollTop()).toBe(_topPackCount * bufferSize * itemHeight); + } + ); + }); + + it('should work when the viewport is big enough to include more than 1 pack of item (first)', () => { + const viewportHeight = 450; + const _topItemsCount = Math.round(viewportHeight * 0.5 / itemHeight); + const _topPackCount = Math.ceil(_topItemsCount / bufferSize); + let _minIndex = -1; // ~9 additinal adjustments should occur + datasource.minIndex = _minIndex; + datasource.maxIndex = userMaxIndex; + runTest(Object.assign({}, scrollSettings, { viewportHeight }), + (viewport) => { + expect(Helper.getTopPadding(viewport)).toBe(0); + expect(viewport.scrollTop()).toBe(_topPackCount * bufferSize * itemHeight); + } + ); + }); + + }); + + describe('Reload\n', () => { + injectDatasource('myResponsiveDatasource'); + beforeEach(() => { + datasource.min = userMinIndex; + datasource.max = userMaxIndex; + datasource.init(); + }); + + it('should persist user maxIndex after reload', () => { + datasource.maxIndex = userMaxIndex; + runTest(Object.assign({}, scrollSettings, { datasource: 'myResponsiveDatasource' }), + (viewport, scope) => { + scope.adapter.reload(); + const virtualItemsAmount = userMaxIndex - (viewportHeight / itemHeight) - bufferSize; + expect(Helper.getBottomPadding(viewport)).toBe(itemHeight * virtualItemsAmount); + expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); + } + ); + }); + + it('should persist user minIndex after reload', () => { + datasource.minIndex = userMinIndex; + runTest(Object.assign({}, scrollSettings, { datasource: 'myResponsiveDatasource' }), + (viewport, scope) => { + scope.adapter.reload(); + const virtualItemsAmount = (-1) * userMinIndex - bufferSize + 1; + expect(Helper.getTopPadding(viewport)).toBe(itemHeight * virtualItemsAmount); + expect(viewport.scrollTop()).toBe(itemHeight * ((-1) * userMinIndex + 1)); + } + ); + }); + + it('should apply new user minIndex and maxIndex after reload', () => { + const startIndex = 10; + const add = 50; + const minIndexNew = userMinIndex - add; + const maxIndexNew = userMaxIndex + add; + datasource.minIndex = userMinIndex; + datasource.maxIndex = userMaxIndex; + runTest(Object.assign({}, scrollSettings, { datasource: 'myResponsiveDatasource', startIndex }), + (viewport, scope) => { + const _scrollTop = viewport.scrollTop(); + + scope.adapter.reload(startIndex); + datasource.min = minIndexNew; + datasource.max = maxIndexNew; + datasource.minIndex = minIndexNew; + datasource.maxIndex = maxIndexNew; + + expect(Helper.getTopPadding(viewport)).toBe(itemHeight * ((-1) * minIndexNew + startIndex - bufferSize)); + expect(Helper.getBottomPadding(viewport)).toBe(itemHeight * (maxIndexNew - startIndex + 1 - (viewportHeight / itemHeight) - bufferSize)); + expect(viewport.scrollTop()).toBe(_scrollTop + itemHeight * add); + } + ); + }); + + }); + +}); \ No newline at end of file diff --git a/test/UserIndiciesSpec.js b/test/UserIndiciesSpec.js deleted file mode 100644 index 3ebc0e6b..00000000 --- a/test/UserIndiciesSpec.js +++ /dev/null @@ -1,94 +0,0 @@ -/*global describe, beforeEach, module, inject, it, expect, runTest */ -describe('uiScroll main/max indices', function() { - 'use strict'; - - beforeEach(module('ui.scroll')); - beforeEach(module('ui.scroll.test.datasources')); - - describe('user min and max indexes', function() { - var viewportHeight = 120; - var itemHeight = 20; - var bufferSize = 3; - var userMinIndex = -99; // for 100 items - var userMaxIndex = 100; - - var scrollSettings = { - datasource: 'myInfiniteDatasource', - viewportHeight: viewportHeight, - itemHeight: itemHeight, - bufferSize: bufferSize - }; - - it('should calculate bottom padding element\'s height after user max index is set', function() { - var setMaxIndex; - inject(function(myInfiniteDatasource) { - setMaxIndex = function() { - myInfiniteDatasource.maxIndex = userMaxIndex; - }; - }); - runTest(scrollSettings, - function(viewport) { - var bottomPaddingElement = angular.element(viewport.children()[viewport.children().length - 1]); - expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); - - setMaxIndex(); - - var virtualItemsAmount = userMaxIndex - (viewportHeight / itemHeight) - bufferSize; - expect(bottomPaddingElement.height()).toBe(itemHeight * virtualItemsAmount); - expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); - } - ); - }); - - it('should calculate top padding element\'s height after user min index is set', function() { - var setMinIndex; - inject(function(myInfiniteDatasource) { - setMinIndex = function() { - myInfiniteDatasource.minIndex = userMinIndex; - }; - }); - runTest(scrollSettings, - function(viewport) { - var topPaddingElement = angular.element(viewport.children()[0]); - expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); - - setMinIndex(); - - var virtualItemsAmount = (-1) * userMinIndex - bufferSize + 1; - expect(topPaddingElement.height()).toBe(itemHeight * virtualItemsAmount); - expect(viewport.scrollTop()).toBe(itemHeight * ((-1) * userMinIndex + 1)); - } - ); - }); - - it('should work with maxIndex pre-set on datasource', function() { - inject(function(myInfiniteDatasource) { - myInfiniteDatasource.maxIndex = userMaxIndex; - }); - runTest(scrollSettings, - function(viewport) { - var bottomPaddingElement = angular.element(viewport.children()[viewport.children().length - 1]); - var virtualItemsAmount = userMaxIndex - (viewportHeight / itemHeight) - bufferSize; - expect(bottomPaddingElement.height()).toBe(itemHeight * virtualItemsAmount); - expect(viewport.scrollTop()).toBe(itemHeight * bufferSize); - } - ); - }); - - it('should work with minIndex pre-set on datasource', function() { - inject(function(myInfiniteDatasource) { - myInfiniteDatasource.minIndex = userMinIndex; - }); - runTest(scrollSettings, - function(viewport) { - var topPaddingElement = angular.element(viewport.children()[0]); - var virtualItemsAmount = (-1) * userMinIndex - bufferSize + 1; - expect(topPaddingElement.height()).toBe(itemHeight * virtualItemsAmount); - expect(viewport.scrollTop()).toBe(itemHeight * ((-1) * userMinIndex + 1)); - } - ); - }); - - }); - -}); \ No newline at end of file diff --git a/test/config/karma.conf.files.js b/test/config/karma.conf.files.js index eb1a1549..e89da37c 100644 --- a/test/config/karma.conf.files.js +++ b/test/config/karma.conf.files.js @@ -7,6 +7,7 @@ var files = [ '../misc/test.css', '../misc/datasources.js', '../misc/scaffolding*.js', + '../misc/helpers.js', '../*Spec.js', { pattern: scrollerPath + '*.js.map', diff --git a/test/misc/datasources.js b/test/misc/datasources.js index b1831fa7..4330d17e 100644 --- a/test/misc/datasources.js +++ b/test/misc/datasources.js @@ -188,14 +188,13 @@ angular.module('ui.scroll.test.datasources', []) ]) - .factory('myResponsiveDatasource', [ - '$log', '$timeout', '$rootScope', - function() { + .factory('myResponsiveDatasource', function() { var datasource = { data: [], min: 1, max: 30, init: function() { + this.data = []; for (var i = this.min; i <= this.max; i++) { this.data.push('item' + i); } @@ -218,4 +217,4 @@ angular.module('ui.scroll.test.datasources', []) datasource.init(); return datasource; } - ]); \ No newline at end of file + ); \ No newline at end of file diff --git a/test/misc/helpers.js b/test/misc/helpers.js new file mode 100644 index 00000000..c2380cd5 --- /dev/null +++ b/test/misc/helpers.js @@ -0,0 +1,15 @@ +const Helper = { + + getTopPadding(viewport) { + const viewportChildren = viewport.children(); + const topPadding = viewportChildren[0]; + return parseInt(topPadding.style.height, 10); + }, + + getBottomPadding: (viewport) => { + const viewportChildren = viewport.children(); + const bottomPadding = viewportChildren[viewportChildren.length - 1]; + return parseInt(bottomPadding.style.height, 10); + } + +}; \ No newline at end of file