Ticket #13524: 13524.3.diff

src/wp-admin/js/widgets.js

@@ -4 +4 @@
         var $document = $( document );
 
 wpWidgets = {
+        /**
+         * A closed Sidebar that gets a Widget dragged over it.
+         *
+         * @var element|null
+         */
+        hoveredSidebar: null,
 
         init : function() {
                 var rem, the_id,
@@ -94 +100 @@
                         helper: 'clone',
                         zIndex: 100,
                         containment: '#wpwrap',
+                        refreshPositions: true,
                         start: function( event, ui ) {
                                 var chooser = $(this).find('.widgets-chooser');
 
@@ -117 +124 @@
                         }
                 });
 
+                /**
+                 * Opens and closes previously closed Sidebars when Widgets are dragged over/out of them.
+                 */
+                sidebars.droppable( {
+                        tolerance: 'pointer',
+
+                        /**
+                         * Open Sidebar when a Widget gets dragged over it.
+                         *
+                         * @param event
+                         */
+                        over: function( event ) {
+                                var $wrap = $( event.target ).parent();
+
+                                if ( wpWidgets.hoveredSidebar && ! $wrap.is( wpWidgets.hoveredSidebar ) ) {
+                                        // Close the previous Sidebar as the Widget has been dragged onto another Sidebar.
+                                        wpWidgets.closeSidebar( event );
+                                }
+
+                                if ( $wrap.hasClass( 'closed' ) ) {
+                                        wpWidgets.hoveredSidebar = $wrap;
+                                        $wrap.removeClass( 'closed' );
+                                }
+                        },
+
+                        /**
+                         * Close Sidebar when the Widget gets dragged out of it.
+                         *
+                         * @param event
+                         */
+                        out: function( event ) {
+                                if ( wpWidgets.hoveredSidebar ) {
+                                        wpWidgets.closeSidebar( event );
+                                }
+                        }
+                } );
+
                 sidebars.sortable({
                         placeholder: 'widget-placeholder',
                         items: '> .widget',
@@ -148 +192 @@
                                         $widget = ui.item,
                                         id = the_id;
 
+                                // Reset the var to hold a previously closed sidebar.
+                                wpWidgets.hoveredSidebar = null;
+
                                 if ( $widget.hasClass('deleting') ) {
                                         wpWidgets.save( $widget, 1, 0, 1 ); // delete widget
                                         $widget.remove();
@@ -491 +538 @@
         clearWidgetSelection: function() {
                 $( '#widgets-left' ).removeClass( 'chooser' );
                 $( '.widget-in-question' ).removeClass( 'widget-in-question' );
+        },
+
+        /**
+         * Closes a Sidebar that was previously closed, but opened by dragging a Widget over it.
+         *
+         * Used when a Widget gets dragged in/out of the Sidebar and never dropped.
+         *
+         * @param sidebar
+         */
+        closeSidebar: function( sidebar ) {
+                this.hoveredSidebar.addClass( 'closed' );
+                $( sidebar.target ).css( 'min-height', '' );
+                this.hoveredSidebar = null;
         }
 };