Ticket #6020: 6020_4.patch

_source/plugins/clipboard/plugin.js

@@ -61 +61 @@
         var cutCopyCmd = function( type )
         {
                 this.type = type;
-                this.canUndo = ( this.type == 'cut' );          // We can't undo copy to clipboard.
+                this.canUndo = this.type == 'cut';              // We can't undo copy to clipboard.
+                this.startDisabled = true;
         };
 
         cutCopyCmd.prototype =
@@ -281 +282 @@
                 }
         }
 
+        var depressBeforeEvent;
+        function stateFromNamedCommand( command, editor )
+        {
+                // IE Bug: queryCommandEnabled('paste') fires also 'beforepaste(copy/cut)',
+                // guard to distinguish from the ordinary sources( either
+                // keyboard paste or execCommand ) (#4874).
+                CKEDITOR.env.ie && ( depressBeforeEvent = 1 );
+
+                var retval = editor.document.$.queryCommandEnabled( command ) ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED;
+                depressBeforeEvent = 0;
+                return retval;
+        }
+
+        var inReadOnly;
+        function setToolbarStates()
+        {
+                if ( this.mode != 'wysiwyg' )
+                        return;
+
+                this.getCommand( 'cut' ).setState( inReadOnly ? CKEDITOR.TRISTATE_DISABLED : stateFromNamedCommand( 'Cut', this ) );
+                this.getCommand( 'copy' ).setState( stateFromNamedCommand( 'Copy', this ) );
+                this.getCommand( 'paste' ).setState( inReadOnly ? CKEDITOR.TRISTATE_DISABLED :
+                                                CKEDITOR.env.webkit ? CKEDITOR.TRISTATE_OFF : stateFromNamedCommand( 'Paste', this ) );
+        }
+
         // Register the plugin.
         CKEDITOR.plugins.add( 'clipboard',
                 {
@@ -348 +374 @@
                                 editor.on( 'contentDom', function()
                                 {
                                         var body = editor.document.getBody();
-                                        body.on( ( (mode == 'text' && CKEDITOR.env.ie ) || CKEDITOR.env.webkit ) ? 'paste' : 'beforepaste',
+                                        body.on( ( ( mode == 'text' && CKEDITOR.env.ie ) || CKEDITOR.env.webkit ) ? 'paste' : 'beforepaste',
                                                 function( evt )
                                                 {
                                                         if ( depressBeforeEvent )
@@ -368 +394 @@
                                                 });
 
                                         body.on( 'beforecut', function() { !depressBeforeEvent && fixCut( editor ); } );
+
+                                        body.on( 'mouseup', setToolbarStates, editor );
+                                        editor.on( 'key', setToolbarStates, editor );
                                 });
 
+                                // For improved performance, we're checking the readOnly state on selectionChange instead of hooking a key event for that.
+                                editor.on( 'selectionChange', function( evt )
+                                {
+                                        inReadOnly = evt.data.selection.getCommonAncestor().isReadOnly();
+                                });
+
                                 // If the "contextmenu" plugin is loaded, register the listeners.
                                 if ( editor.contextMenu )
                                 {
-                                        var depressBeforeEvent;
-                                        function stateFromNamedCommand( command )
-                                        {
-                                                // IE Bug: queryCommandEnabled('paste') fires also 'beforepaste(copy/cut)',
-                                                // guard to distinguish from the ordinary sources( either
-                                                // keyboard paste or execCommand ) (#4874).
-                                                CKEDITOR.env.ie && ( depressBeforeEvent = 1 );
-
-                                                var retval = editor.document.$.queryCommandEnabled( command ) ? CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED;
-                                                depressBeforeEvent = 0;
-                                                return retval;
-                                        }
-
                                         editor.contextMenu.addListener( function( element, selection )
                                                 {
                                                         var readOnly = selection.getCommonAncestor().isReadOnly();
                                                         return {
-                                                                cut : !readOnly && stateFromNamedCommand( 'Cut' ),
-                                                                copy : stateFromNamedCommand( 'Copy' ),
-                                                                paste : !readOnly && ( CKEDITOR.env.webkit ? CKEDITOR.TRISTATE_OFF : stateFromNamedCommand( 'Paste' ) )
+                                                                cut : !readOnly && stateFromNamedCommand( 'Cut', editor ),
+                                                                copy : stateFromNamedCommand( 'Copy', editor ),
+                                                                paste : !readOnly && ( CKEDITOR.env.webkit ? CKEDITOR.TRISTATE_OFF : stateFromNamedCommand( 'Paste', editor ) )
                                                         };
                                                 });
                                 }