FCKeditor/editor/_source/commandclasses/fckfitwindow.js

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/*
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2006 Frederico Caldeira Knabben
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 * 		http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 * 		http://www.fckeditor.net/
 * 
 * "Support Open Source software. What about a donation today?"
 * 
 * File Name: fckfitwindow.js
 * 	Stretch the editor to full window size and back.
 * 
 * File Authors:
 * 		Paul Moers (mail@saulmade.nl)
 * 		Thanks to Christian Fecteau (webmaster@christianfecteau.com)
 * 		Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

var FCKFitWindow = function()
{
	this.Name = 'FitWindow' ;
}

FCKFitWindow.prototype.Execute = function()
{
	var eEditorFrame		= window.frameElement ;
	var eEditorFrameStyle	= eEditorFrame.style ;

	var eMainWindow			= parent ;
	var eDocEl				= eMainWindow.document.documentElement ;
	var eBody				= eMainWindow.document.body ;
	var eBodyStyle			= eBody.style ;

	// No original style properties known? Go fullscreen.
	if ( !this.IsMaximized )
	{
		// Registering an event handler when the window gets resized.
		if( FCKBrowserInfo.IsIE )
			eMainWindow.attachEvent( 'onresize', FCKFitWindow_Resize ) ;
		else
			eMainWindow.addEventListener( 'resize', FCKFitWindow_Resize, true ) ;

		// Save the scrollbars position.
		this._ScrollPos = FCKTools.GetScrollPosition( eMainWindow ) ;
		
		// Save and reset the styles for the entire node tree. They could interfere in the result.
		var eParent = eEditorFrame ;
		while( eParent = eParent.parentNode )
		{
			if ( eParent.nodeType == 1 )
				eParent._fckSavedStyles = FCKTools.SaveStyles( eParent ) ;
		}		

		// Hide IE scrollbars (in strict mode).
		if ( FCKBrowserInfo.IsIE )
		{
			this.documentElementOverflow = eDocEl.style.overflow ;