Merge branch 't/11002' into major

CHANGES.md

@@ -6,6 +6,7 @@ CKEditor 4 Changelog
 New Features:
 
 * [#10855](http://dev.ckeditor.com/ticket/10855): Change extension of emotes in BBCode sample from GIF to PNG.
+* [#11002](http://dev.ckeditor.com/ticket/11002): Added option to disable widgets drag and drop support.
 * [#10430](http://dev.ckeditor.com/ticket/10430): Resolve dependence of image plugin if forms plugin.
 * [#10937](http://dev.ckeditor.com/ticket/10937): MathJax widget improvements:
   * loading indicator,

plugins/widget/plugin.js

@@ -770,6 +770,8 @@
 			 */
 			repository: widgetsRepo,
 
+			draggable: widgetDef.draggable !== false,
+
 			// WAAARNING: Overwrite widgetDef's priv object, because otherwise violent unicorn's gonna visit you.
 			_: {
 				downcastFn: ( widgetDef.downcast && typeof widgetDef.downcast == 'string' ) ?
@@ -2309,6 +2311,9 @@
 	}
 
 	function setupDragHandler( widget ) {
+		if ( !widget.draggable )
+			return;
+
 		var editor = widget.editor,
 			img = new CKEDITOR.dom.element( 'img', editor.document ),
 			container = new CKEDITOR.dom.element( 'span', editor.document );
@@ -2425,9 +2430,11 @@
 		if ( widgetDef.edit )
 			widget.on( 'edit', widgetDef.edit );
 
-		widget.on( 'data', function() {
-			positionDragHandler( widget );
-		}, null, null, 999 );
+		if ( widget.draggable ) {
+			widget.on( 'data', function() {
+				positionDragHandler( widget );
+			}, null, null, 999 );
+		}
 	}
 
 	function setupWidgetData( widget, startupData ) {
@@ -2716,6 +2723,13 @@
  * @property {String} button
  */
 
+/**
+ * Whether widget should be draggable. Defaults to `true`.
+ * If set to `false` drag handler will not be displayed when hovering widget.
+ *
+ * @property {Boolean} draggable
+ */
+
 /**
  * This is an abstract class that describes the definition of a widget's nested editable.
  * It is a type of values in the {@link CKEDITOR.plugins.widget.definition#editables} object.