WebRoot/FCKeditor/editor/_source/classes/fckkeystrokehandler.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 ==
 *
 * Control keyboard keystroke combinations.
 */

var FCKKeystrokeHandler = function( cancelCtrlDefaults )
{
	this.Keystrokes = new Object() ;
	this.CancelCtrlDefaults = ( cancelCtrlDefaults !== false ) ;
}

/*
 * Listen to keystroke events in an element or DOM document object.
 *		@target: The element or document to listen to keystroke events.
 */
FCKKeystrokeHandler.prototype.AttachToElement = function( target )
{
	// For newer browsers, it is enough to listen to the keydown event only.
	// Some browsers instead, don't cancel key events in the keydown, but in the
	// keypress. So we must do a longer trip in those cases.
	FCKTools.AddEventListenerEx( target, 'keydown', _FCKKeystrokeHandler_OnKeyDown, this ) ;
	if ( FCKBrowserInfo.IsGecko10 || FCKBrowserInfo.IsOpera || ( FCKBrowserInfo.IsGecko && FCKBrowserInfo.IsMac ) )
		FCKTools.AddEventListenerEx( target, 'keypress', _FCKKeystrokeHandler_OnKeyPress, this ) ;
}

/*
 * Sets a list of keystrokes. It can receive either a single array or "n"
 * arguments, each one being an array of 1 or 2 elemenst. The first element
 * is the keystroke combination, and the second is the value to assign to it.
 * If the second element is missing, the keystroke definition is removed.
 */
FCKKeystrokeHandler.prototype.SetKeystrokes = function()
{
	// Look through the arguments.
	for ( var i = 0 ; i < arguments.length ; i++ )
	{
		var keyDef = arguments[i] ;

		if ( typeof( keyDef[0] ) == 'object' )		// It is an array with arrays defining the keystrokes.
			this.SetKeystrokes.apply( this, keyDef ) ;
		else
		{