1094 fix a new layout action error

Author: SilinMykola

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewLayoutTemplateDialog.java

@@ -122,7 +122,7 @@ public static void open(
      * Fire generation process if all fields are valid.
      */
     private void onOK() {
-        if (validateFormFields() && isUnderscoreCorrect()) {
+        if (validateFormFields()) {
             final String[] layoutNameParts = getLayoutNameParts();
             new LayoutXmlTemplateGenerator(
                     new LayoutXmlData(
@@ -188,51 +188,11 @@ private String[] getLayoutNameParts() {
             actionName = layoutNameParts[2];
         }
 
-        return new String[]{routeName, controllerName, actionName};
-    }
-
-    /**
-     * Check is count of underscore is correct in layout name.
-     *
-     * @return boolean
-     */
-    private boolean isUnderscoreCorrect() {
-        final String name = layoutName.getText().trim();
-
-        if (name.contains("_")) {
-            final int count = countUnderscore(name);
-
-            if (count != 0 && count != 2) {
-                DialogFieldErrorUtil.showErrorMessageForField(
-                        layoutName,
-                        layoutNameErrorMessage,
-                        new ValidatorBundle()
-                                .message("validator.layoutNameUnderscoreQtyInvalid")
-                );
-
-                return false;
-            }
+        if (layoutNameParts.length == 2 || layoutNameParts.length > 3) { // NOPMD
+            routeName = layoutName.getText().trim();
         }
 
-        return true;
-    }
-
-    /**
-     * Count underscore symbols in string.
-     *
-     * @param name String
-     * @return int
-     */
-    private int countUnderscore(final String name) {
-        int count = 0;
-
-        for (int i = 0; i < name.length(); i++) {
-            if (name.charAt(i) == '_') { //NOPMD
-                count++;
-            }
-        }
-
-        return count;
+        return new String[]{routeName, controllerName, actionName};
     }
 
     /**

src/com/magento/idea/magento2plugin/util/RegExUtil.java

@@ -50,7 +50,7 @@ public class RegExUtil {
             = "(\\d+)\\.(\\d+)\\.(\\d+)[a-zA-Z0-9_\\-]*";
 
     public static final String LAYOUT_NAME
-            = "^([a-zA-Z0-9]+){1,}(_[a-zA-Z0-9]+){0,2}";
+            = "^([a-zA-Z0-9]+){1}(_[a-zA-Z0-9]+){0,}";
 
     public static class Magento {