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FCKeditor/editor/_source/commandclasses/fckshowblocks.js

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+/*
+ * FCKeditor - The text editor for Internet - http://www.fckeditor.net
+ * Copyright (C) 2003-2007 Frederico Caldeira Knabben
+ *
+ * == BEGIN LICENSE ==
+ *
+ * Licensed under the terms of any of the following licenses at your
+ * choice:
+ *
+ *  - GNU General Public License Version 2 or later (the "GPL")
+ *    http://www.gnu.org/licenses/gpl.html
+ *
+ *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
+ *    http://www.gnu.org/licenses/lgpl.html
+ *
+ *  - Mozilla Public License Version 1.1 or later (the "MPL")
+ *    http://www.mozilla.org/MPL/MPL-1.1.html
+ *
+ * == END LICENSE ==
+ *
+ * FCKShowBlockCommand Class: the "Show Blocks" command.
+ */
+
+var FCKShowBlockCommand = function( name, defaultState )
+{
+	this.Name = name ;
+	if ( defaultState != undefined )
+		this._SavedState = defaultState ;
+	else
+		this._SavedState = null ;
+}
+
+FCKShowBlockCommand.prototype.Execute = function()
+{
+	var state = this.GetState() ;
+
+	if ( state == FCK_TRISTATE_DISABLED )
+		return ;
+
+	var body = FCK.EditorDocument.body ;
+
+	if ( state == FCK_TRISTATE_ON )
+		body.className = body.className.replace( /(^| )FCK__ShowBlocks/g, '' ) ;
+	else
+		body.className += ' FCK__ShowBlocks' ;
+
+	FCK.Events.FireEvent( 'OnSelectionChange' ) ;
+}
+
+FCKShowBlockCommand.prototype.GetState = function()
+{
+	if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
+		return FCK_TRISTATE_DISABLED ;
+
+	// On some cases FCK.EditorDocument.body is not yet available
+	if ( !FCK.EditorDocument )
+		return FCK_TRISTATE_OFF ;
+
+	if ( /FCK__ShowBlocks(?:\s|$)/.test( FCK.EditorDocument.body.className ) )
+		return FCK_TRISTATE_ON ;
+
+	return FCK_TRISTATE_OFF ;
+}
+
+FCKShowBlockCommand.prototype.SaveState = function()
+{
+	this._SavedState = this.GetState() ;
+}
+
+FCKShowBlockCommand.prototype.RestoreState = function()
+{
+	if ( this._SavedState != null && this.GetState() != this._SavedState )
+		this.Execute() ;
+}