Ticket #4459: 4459_3.patch

_source/plugins/maximize/plugin.js

@@ -78 +78 @@
                 restoreFormStyles( data );
         }
 
-        function getResizeHandler( mainWindow, editor )
-        {
-                return function()
-                {
-                        var viewPaneSize = mainWindow.getViewPaneSize();
-                        editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
-                };
-        }
-
         function refreshCursor( editor )
         {
                 if ( editor.focusManager.hasFocus )
@@ -103 +94 @@
                 }
         }
 
+        /**
+         * Adding an iframe shim to this element, OR removing the existing one if already applied.
+         * Note: This will only affect IE version below 7.
+         */
+         function createIframeShim( element )
+        {
+                if ( !CKEDITOR.env.ie || CKEDITOR.env.version > 6 )
+                        return;
+
+                var shim = CKEDITOR.dom.element.createFromHtml( '<iframe frameborder="0" tabindex="-1"' +
+                                        ' src="javascript:' +
+                                           'void((function(){' +
+                                                   'document.open();' +
+                                                   ( CKEDITOR.env.isCustomDomain() ? 'document.domain=\'' + this.getDocument().$.domain + '\';' : '' ) +
+                                                   'document.close();' +
+                                           '})())"' +
+                                        ' style="display:block;position:absolute;z-index:-1;' +
+                                        'progid:DXImageTransform.Microsoft.Alpha(opacity=0);' +
+                                        '"></iframe>' );
+                return element.append( shim, true );
+        }
+
         CKEDITOR.plugins.add( 'maximize',
         {
                 init : function( editor )
@@ -118 +131 @@
                         // Saved scroll position for the outer window.
                         var outerScroll;
 
+                        var shim;
+
                         // Saved resize handler function.
-                        var resizeHandler = getResizeHandler( mainWindow, editor );
+                        function resizeHandler()
+                        {
+                                var viewPaneSize = mainWindow.getViewPaneSize();
+                                shim && shim.setStyles( { width : viewPaneSize.width + 'px', height : viewPaneSize.height + 'px' } );
+                                editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
+                        };
 
                         // Retain state after mode switches.
                         var savedState = CKEDITOR.TRISTATE_OFF;
@@ -196 +216 @@
                                                                         left : '0px',
                                                                         top : '0px'
                                                                 } );
-                                                        editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
 
+                                                        shim =  createIframeShim( container );          // IE6 select element penetration when maximized. (#4459)
+                                                        resizeHandler();
+
                                                         // Still not top left? Fix it. (Bug #174)
                                                         var offset = container.getDocumentPosition();
                                                         container.setStyles(
@@ -240 +262 @@
                                                         // Remove cke_maximized class.
                                                         container.removeClass( 'cke_maximized' );
 
+                                                        if ( shim )
+                                                        {
+                                                                shim.remove();
+                                                                shim = null;
+                                                        }
+
                                                         // Emit a resize event, because this time the size is modified in
                                                         // restoreStyles.
                                                         editor.fire( 'resize' );