Drop support for passing a string to the title attribute, and drop support for deprecated attributes titlefont, titleposition, titleside, and titleoffset

draftlogs/7212_remove.md

@@ -0,0 +1 @@
+- Drop support for passing a string to the `title` attribute, and drop support for deprecated attributes `titlefont`, `titleposition`, `titleside`, and `titleoffset` [[#7212](https://github.com/plotly/plotly.js/pull/7212)]

src/components/colorbar/attributes.js

@@ -212,19 +212,10 @@ module.exports = overrideAll({
     title: {
         text: {
             valType: 'string',
-            description: [
-                'Sets the title of the color bar.',
-                'Note that before the existence of `title.text`, the title\'s',
-                'contents used to be defined as the `title` attribute itself.',
-                'This behavior has been deprecated.'
-            ].join(' ')
+            description: 'Sets the title of the color bar.'
         },
         font: fontAttrs({
-            description: [
-                'Sets this color bar\'s title font.',
-                'Note that the title\'s font used to be set',
-                'by the now deprecated `titlefont` attribute.'
-            ].join(' ')
+            description: 'Sets this color bar\'s title font.'
         }),
         side: {
             valType: 'enumerated',
@@ -234,29 +225,10 @@ module.exports = overrideAll({
                 'with respect to the color bar.',
                 'Defaults to *top* when `orientation` if *v* and ',
                 'defaults to *right* when `orientation` if *h*.',
-                'Note that the title\'s location used to be set',
-                'by the now deprecated `titleside` attribute.'
             ].join(' ')
         }
     },
 
     _deprecated: {
-        title: {
-            valType: 'string',
-            description: [
-                'Deprecated in favor of color bar\'s `title.text`.',
-                'Note that value of color bar\'s `title` is no longer a simple',
-                '*string* but a set of sub-attributes.'
-            ].join(' ')
-        },
-        titlefont: fontAttrs({
-            description: 'Deprecated in favor of color bar\'s `title.font`.'
-        }),
-        titleside: {
-            valType: 'enumerated',
-            values: ['right', 'top', 'bottom'],
-            dflt: 'top',
-            description: 'Deprecated in favor of color bar\'s `title.side`.'
-        }
     }
 }, 'colorbars', 'from-root');

src/components/titles/index.js

@@ -22,8 +22,8 @@ var SUBTITLE_PADDING_EM = 1.6;
  * @param {DOM element} gd - the graphDiv
  * @param {string} titleClass - the css class of this title
  * @param {object} options - how and what to draw
- *      propContainer - the layout object containing `title` and `titlefont`
- *          attributes that apply to this title
+ *      propContainer - the layout object containing the `title` attribute that 
+ *          applies to this title
  *      propName - the full name of the title property (for Plotly.relayout)
  *      [traceIndex] - include only if this property applies to one trace
  *          (such as a colorbar title) - then editing pipes to Plotly.restyle

src/plot_api/helpers.js

@@ -90,19 +90,6 @@ exports.cleanLayout = function(layout) {
                 delete ax.autotick;
             }
 
-            cleanTitle(ax);
-        } else if(polarAttrRegex && polarAttrRegex.test(key)) {
-            // modifications for polar
-
-            var polar = layout[key];
-            cleanTitle(polar.radialaxis);
-        } else if(ternaryAttrRegex && ternaryAttrRegex.test(key)) {
-            // modifications for ternary
-
-            var ternary = layout[key];
-            cleanTitle(ternary.aaxis);
-            cleanTitle(ternary.baxis);
-            cleanTitle(ternary.caxis);
         } else if(sceneAttrRegex && sceneAttrRegex.test(key)) {
             // modifications for 3D scenes
 
@@ -130,11 +117,6 @@ exports.cleanLayout = function(layout) {
 
                 delete scene.cameraposition;
             }
-
-            // clean axis titles
-            cleanTitle(scene.xaxis);
-            cleanTitle(scene.yaxis);
-            cleanTitle(scene.zaxis);
         }
     }
 
@@ -199,9 +181,6 @@ exports.cleanLayout = function(layout) {
         }
     }
 
-    // clean plot title
-    cleanTitle(layout);
-
     /*
      * Moved from rotate -> orbit for dragmode
      */
@@ -227,44 +206,6 @@ function cleanAxRef(container, attr) {
     }
 }
 
-/**
- * Cleans up old title attribute structure (flat) in favor of the new one (nested).
- *
- * @param {Object} titleContainer - an object potentially including deprecated title attributes
- */
-function cleanTitle(titleContainer) {
-    if(titleContainer) {
-        // title -> title.text
-        // (although title used to be a string attribute,
-        // numbers are accepted as well)
-        if(typeof titleContainer.title === 'string' || typeof titleContainer.title === 'number') {
-            titleContainer.title = {
-                text: titleContainer.title
-            };
-        }
-
-        rewireAttr('titlefont', 'font');
-        rewireAttr('titleposition', 'position');
-        rewireAttr('titleside', 'side');
-        rewireAttr('titleoffset', 'offset');
-    }
-
-    function rewireAttr(oldAttrName, newAttrName) {
-        var oldAttrSet = titleContainer[oldAttrName];
-        var newAttrSet = titleContainer.title && titleContainer.title[newAttrName];
-
-        if(oldAttrSet && !newAttrSet) {
-            // Ensure title object exists
-            if(!titleContainer.title) {
-                titleContainer.title = {};
-            }
-
-            titleContainer.title[newAttrName] = titleContainer[oldAttrName];
-            delete titleContainer[oldAttrName];
-        }
-    }
-}
-
 /*
  * cleanData: Make a few changes to the data for backward compatibility
  * before it gets used for anything. Modifies the data traces users provide.
@@ -467,13 +408,6 @@ exports.cleanData = function(data) {
             delete trace.autobiny;
             delete trace.ybins;
         }
-
-        cleanTitle(trace);
-        if(trace.colorbar) cleanTitle(trace.colorbar);
-        if(trace.marker && trace.marker.colorbar) cleanTitle(trace.marker.colorbar);
-        if(trace.line && trace.line.colorbar) cleanTitle(trace.line.colorbar);
-        if(trace.aaxis) cleanTitle(trace.aaxis);
-        if(trace.baxis) cleanTitle(trace.baxis);
     }
 };
 

src/plot_api/plot_api.js

@@ -1397,8 +1397,6 @@ function _restyle(gd, aobj, traces) {
     var eventData = Lib.extendDeepAll({}, aobj);
     var i;
 
-    cleanDeprecatedAttributeKeys(aobj);
-
     // initialize flags
     var flags = editTypes.traceFlags();
 
@@ -1700,49 +1698,6 @@ function _restyle(gd, aobj, traces) {
     };
 }
 
-/**
- * Converts deprecated attribute keys to
- * the current API to ensure backwards compatibility.
- *
- * This is needed for the update mechanism to determine which
- * subroutines to run based on the actual attribute
- * definitions (that don't include the deprecated ones).
- *
- * E.g. Maps {'xaxis.title': 'A chart'} to {'xaxis.title.text': 'A chart'}
- * and {titlefont: {...}} to {'title.font': {...}}.
- *
- * @param aobj
- */
-function cleanDeprecatedAttributeKeys(aobj) {
-    var oldAxisTitleRegex = Lib.counterRegex('axis', '\.title', false, false);
-    var colorbarRegex = /colorbar\.title$/;
-    var keys = Object.keys(aobj);
-    var i, key, value;
-
-    for(i = 0; i < keys.length; i++) {
-        key = keys[i];
-        value = aobj[key];
-
-        if((key === 'title' || oldAxisTitleRegex.test(key) || colorbarRegex.test(key)) &&
-          (typeof value === 'string' || typeof value === 'number')) {
-            replace(key, key.replace('title', 'title.text'));
-        } else if(key.indexOf('titlefont') > -1 && key.indexOf('grouptitlefont') === -1) {
-            replace(key, key.replace('titlefont', 'title.font'));
-        } else if(key.indexOf('titleposition') > -1) {
-            replace(key, key.replace('titleposition', 'title.position'));
-        } else if(key.indexOf('titleside') > -1) {
-            replace(key, key.replace('titleside', 'title.side'));
-        } else if(key.indexOf('titleoffset') > -1) {
-            replace(key, key.replace('titleoffset', 'title.offset'));
-        }
-    }
-
-    function replace(oldAttrStr, newAttrStr) {
-        aobj[newAttrStr] = aobj[oldAttrStr];
-        delete aobj[oldAttrStr];
-    }
-}
-
 /**
  * relayout: update layout attributes of an existing plot
  *
@@ -1926,7 +1881,6 @@ function _relayout(gd, aobj) {
 
     var arrayStr, i, j;
 
-    cleanDeprecatedAttributeKeys(aobj);
     keys = Object.keys(aobj);
 
     // look for 'allaxes', split out into all axes

src/plots/cartesian/layout_attributes.js

@@ -207,20 +207,11 @@ module.exports = {
         text: {
             valType: 'string',
             editType: 'ticks',
-            description: [
-                'Sets the title of this axis.',
-                'Note that before the existence of `title.text`, the title\'s',
-                'contents used to be defined as the `title` attribute itself.',
-                'This behavior has been deprecated.'
-            ].join(' ')
+            description: 'Sets the title of this axis.'
         },
         font: fontAttrs({
             editType: 'ticks',
-            description: [
-                'Sets this axis\' title font.',
-                'Note that the title\'s font used to be customized',
-                'by the now deprecated `titlefont` attribute.'
-            ].join(' ')
+            description: 'Sets this axis\' title font.'
         }),
         standoff: {
             valType: 'number',
@@ -1250,20 +1241,5 @@ module.exports = {
                 'Set `tickmode` to *linear* for `autotick` *false*.'
             ].join(' ')
         },
-        title: {
-            valType: 'string',
-            editType: 'ticks',
-            description: [
-                'Value of `title` is no longer a simple *string* but a set of sub-attributes.',
-                'To set the axis\' title, please use `title.text` now.'
-            ].join(' ')
-        },
-        titlefont: fontAttrs({
-            editType: 'ticks',
-            description: [
-                'Former `titlefont` is now the sub-attribute `font` of `title`.',
-                'To customize title font properties, please use `title.font` now.'
-            ].join(' ')
-        })
     }
 };

src/plots/cartesian/tick_label_defaults.js

@@ -27,7 +27,7 @@ module.exports = function handleTickLabelDefaults(containerIn, containerOut, coe
         var position = containerOut.ticklabelposition || '';
         var dfltFontColor = position.indexOf('inside') !== -1 ?
             contrast(options.bgColor) :
-            // as with titlefont.color, inherit axis.color only if one was
+            // as with title.font.color, inherit axis.color only if one was
             // explicitly provided
             (contColor && contColor !== layoutAttributes.color.dflt) ?
             contColor : font.color;

src/plots/gl3d/layout/axis_attributes.js

@@ -122,7 +122,5 @@ module.exports = overrideAll({
     zerolinecolor: axesAttrs.zerolinecolor,
     zerolinewidth: axesAttrs.zerolinewidth,
     _deprecated: {
-        title: axesAttrs._deprecated.title,
-        titlefont: axesAttrs._deprecated.titlefont
     }
 }, 'plot', 'from-root');

src/plots/layout_attributes.js

@@ -26,20 +26,11 @@ module.exports = {
         text: {
             valType: 'string',
             editType: 'layoutstyle',
-            description: [
-                'Sets the plot\'s title.',
-                'Note that before the existence of `title.text`, the title\'s',
-                'contents used to be defined as the `title` attribute itself.',
-                'This behavior has been deprecated.'
-            ].join(' ')
+            description: 'Sets the plot\'s title.'
         },
         font: fontAttrs({
             editType: 'layoutstyle',
-            description: [
-                'Sets the title font.',
-                'Note that the title\'s font used to be customized',
-                'by the now deprecated `titlefont` attribute.'
-            ].join(' ')
+            description: 'Sets the title font.'
         }),
         subtitle: {
             text: {
@@ -461,20 +452,5 @@ module.exports = {
         editType: 'none'
     }),
     _deprecated: {
-        title: {
-            valType: 'string',
-            editType: 'layoutstyle',
-            description: [
-                'Value of `title` is no longer a simple *string* but a set of sub-attributes.',
-                'To set the contents of the title, please use `title.text` now.'
-            ].join(' ')
-        },
-        titlefont: fontAttrs({
-            editType: 'layoutstyle',
-            description: [
-                'Former `titlefont` is now the sub-attribute `font` of `title`.',
-                'To customize title font properties, please use `title.font` now.'
-            ].join(' ')
-        })
     }
 };

src/plots/polar/layout_attributes.js

@@ -148,8 +148,6 @@ var radialAxisAttrs = {
     editType: 'calc',
 
     _deprecated: {
-        title: axesAttrs._deprecated.title,
-        titlefont: axesAttrs._deprecated.titlefont
     }
 };
 

src/plots/ternary/layout_attributes.js

@@ -63,8 +63,6 @@ var ternaryAxesAttrs = {
         ].join(' ')
     },
     _deprecated: {
-        title: axesAttrs._deprecated.title,
-        titlefont: axesAttrs._deprecated.titlefont
     }
 };