Merge branch 't/11811b'

Author: Piotr Jasiun

CHANGES.md

@@ -29,6 +29,7 @@ Fixed Issues:
 * [#11798](http://dev.ckeditor.com/ticket/11798): Fixed: Inserting non-editable element inside a table cell breaks the table badly.
 * [#11793](http://dev.ckeditor.com/ticket/11793): Fixed: Drop down is not "on" when clicking it while editor is blurred.
 * [#11850](http://dev.ckeditor.com/ticket/11850): Fixed: Filter downcasting fake object to element it replaced is not applied if fake object element is non-editable.
+* [#11811](http://dev.ckeditor.com/ticket/11811): Fixed: Widget's data are not encoded correctly when passed to attribute.
 
 Other changes:
 

plugins/widget/plugin.js

@@ -1868,7 +1868,7 @@
 								element = upcasted;
 
 							// Set initial data attr with data from upcast method.
-							element.attributes[ 'data-cke-widget-data' ] = JSON.stringify( data );
+							element.attributes[ 'data-cke-widget-data' ] = encodeURIComponent( JSON.stringify( data ) );
 							element.attributes[ 'data-cke-widget-upcasted' ] = 1;
 
 							toBeWrapped.push( [ element, upcast[ 1 ] ] );
@@ -3091,7 +3091,7 @@
 		var widgetDataAttr = widget.element.data( 'cke-widget-data' );
 
 		if ( widgetDataAttr )
-			widget.setData( JSON.parse( widgetDataAttr ) );
+			widget.setData( JSON.parse( decodeURIComponent( widgetDataAttr ) ) );
 		if ( startupData )
 			widget.setData( startupData );
 
@@ -3116,7 +3116,7 @@
 	}
 
 	function writeDataToElement( widget ) {
-		widget.element.data( 'cke-widget-data', JSON.stringify( widget.data ) );
+		widget.element.data( 'cke-widget-data', encodeURIComponent( JSON.stringify( widget.data ) ) );
 	}
 
 	//