Datenstand V1.0

ckeditor/_source/core/command.js

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+/*
+Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+
+CKEDITOR.command = function( editor, commandDefinition )
+{
+	this.uiItems = [];
+
+	this.exec = function( data )
+	{
+		if ( this.state == CKEDITOR.TRISTATE_DISABLED )
+			return false;
+
+		if ( this.editorFocus )     // Give editor focus if necessary (#4355).
+			editor.focus();
+
+		return ( commandDefinition.exec.call( this, editor, data ) !== false );
+	};
+
+	CKEDITOR.tools.extend( this, commandDefinition,
+		// Defaults
+		{
+			modes : { wysiwyg : 1 },
+			editorFocus : true,
+			state : CKEDITOR.TRISTATE_OFF
+		});
+
+	// Call the CKEDITOR.event constructor to initialize this instance.
+	CKEDITOR.event.call( this );
+};
+
+CKEDITOR.command.prototype =
+{
+	enable : function()
+	{
+		if ( this.state == CKEDITOR.TRISTATE_DISABLED )
+			this.setState( ( !this.preserveState || ( typeof this.previousState == 'undefined' ) ) ? CKEDITOR.TRISTATE_OFF : this.previousState );
+	},
+
+	disable : function()
+	{
+		this.setState( CKEDITOR.TRISTATE_DISABLED );
+	},
+
+	setState : function( newState )
+	{
+		// Do nothing if there is no state change.
+		if ( this.state == newState )
+			return false;
+
+		this.previousState = this.state;
+
+		// Set the new state.
+		this.state = newState;
+
+		// Fire the "state" event, so other parts of the code can react to the
+		// change.
+		this.fire( 'state' );
+
+		return true;
+	},
+
+	toggleState : function()
+	{
+		if ( this.state == CKEDITOR.TRISTATE_OFF )
+			this.setState( CKEDITOR.TRISTATE_ON );
+		else if ( this.state == CKEDITOR.TRISTATE_ON )
+			this.setState( CKEDITOR.TRISTATE_OFF );
+	}
+};
+
+CKEDITOR.event.implementOn( CKEDITOR.command.prototype, true );