text: ﻿/*
   * FCKeditor - The text editor for internet
   * Copyright (C) 2003-2005 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: fckpanel_gecko.js
   * 	FCKPanel Class: Creates and manages floating panels in Gecko Browsers.
   * 
   * File Authors:
   * 		Frederico Caldeira Knabben (fredck@fckeditor.net)
   */
  
  var FCKPanel = function( parentWindow )
  {
  	this.IsRTL			= false ;
  	this.IsContextMenu	= false ;
  	this._IsOpened		= false ;
  	
  	if ( parentWindow )
  		this._Window = parentWindow ;
  	else
  	{
  		this._Window = window ;
  
  		while ( this._Window != window.top )
  		{
  			// Try/Catch must be used to avoit an error when using a frameset
  			// on a different domain:
  			// "Permission denied to get property HTMLDocument.Body".
  			try
  			{
  				if ( this._Window.parent.document.body.tagName == 'FRAMESET' )
  					break ;
  			} catch (e) { break ; }
  
  			this._Window = this._Window.parent ;
  		}
  	}
  	
  	var oIFrame = this._IFrame = this._Window.document.createElement('iframe') ; 
  	oIFrame.frameBorder			= '0';
  	oIFrame.scrolling			= 'no' ;
  	oIFrame.style.position		= 'absolute';
  	oIFrame.width = oIFrame.height = 0 ;
  	oIFrame.style.zIndex		= FCKConfig.FloatingPanelsZIndex ;
  
  	this._Window.document.body.appendChild( oIFrame ) ;
  	
  	this.Document = oIFrame.contentWindow.document ;
  
  	// Initialize the IFRAME document body.
  	this.Document.open() ;
  	this.Document.write( '<html><head></head><body><\/body><\/html>' ) ;
  	this.Document.close() ;
  
  	// Remove the default margins.
  	this.Document.body.style.margin = this.Document.body.style.padding = '0px' ;
  
  	this._IFrame.contentWindow.onblur = this.Hide ;
  	
  	oIFrame.contentWindow.Panel = this ;
  
  
  	// Create the main DIV that is used as the panel base.
  	this.PanelDiv = this.Document.body.appendChild( this.Document.createElement('DIV') ) ;
  	this.PanelDiv.className = 'FCK_Panel' ;
  	
  	this.EnableContextMenu( false ) ;
  	this.SetDirection( FCKLang.Dir ) ;
  }
  
  FCKPanel.prototype.EnableContextMenu = function( enabled )
  {
  	this.Document.oncontextmenu = enabled ? null : FCKTools.CancelEvent ;
  }
  
  FCKPanel.prototype.AppendStyleSheet = function( styleSheet )
  {
  	FCKTools.AppendStyleSheet( this.Document, styleSheet ) ;
  }
  
  FCKPanel.prototype.SetDirection = function( dir )
  {
  	this.IsRTL = ( dir == 'rtl' ) ;
  	this.Document.dir = dir ;
  
  	// The "float" property must be set so Firefox calculates the size correcly.
  	this.PanelDiv.style.cssFloat = ( dir == 'rtl' ? 'right' : 'left' ) ;
  }
  
  FCKPanel.prototype.Load = function()
  {
  	// This is a IE only need.
  }
  
  FCKPanel.prototype.Show = function( x, y, relElement, width, height )
  {
  	this.PanelDiv.style.width	= width ? width + 'px' : '' ;
  	this.PanelDiv.style.height	= height ? height + 'px' : '' ;
  
  	if ( !width )	this._IFrame.width	= 1 ;
  	if ( !height )	this._IFrame.height	= 1 ;
  
  	var oPos = FCKTools.GetElementPosition( relElement, this._Window ) ;
  
  	x += oPos.X ;
  	y += oPos.Y ;
  
  	if ( this.IsRTL )
  	{
  		if ( this.IsContextMenu )
  			x  = x - this.PanelDiv.offsetWidth + 1 ;
  		else if ( relElement )
  			x  = x + ( relElement.offsetWidth - this.PanelDiv.offsetWidth ) ;
  	}
  	else
  	{
  		if ( ( x + this.PanelDiv.offsetWidth ) > this._Window.document.body.clientWidth )
  			x -= x + this.PanelDiv.offsetWidth - this._Window.document.body.clientWidth ;
  	}
  	
  	if ( x < 0 )
  			x = 0 ;
  
  	// Set the context menu DIV in the specified location.
  	this._IFrame.style.left	= x + 'px' ;
  	this._IFrame.style.top	= y + 'px' ;
  	
  	var iWidth	= this.PanelDiv.offsetWidth ;
  	var iHeight	= this.PanelDiv.offsetHeight ;
  	
  	this._IFrame.width	= iWidth ;
  	this._IFrame.height = iHeight ;
  
  	// Move the focus to the IFRAME so we catch the "onblur".
  	this._IFrame.contentWindow.focus() ;
  
  	this._IsOpened = true ;
  }
  
  FCKPanel.prototype.Hide = function()
  {
  	var oPanel = this.Panel ? this.Panel : this ;
  	
  	if ( !oPanel._IsOpened )
  		return ;
  	
  	// It is better to set the sizes to 0, otherwise Firefox would have 
  	// rendering problems.
  	oPanel._IFrame.width = oPanel._IFrame.height = 0 ;
  	
  	if ( oPanel._OnHide )
  		oPanel._OnHide( oPanel ) ;
  
  	oPanel._IsOpened = false ;
  }
  
  FCKPanel.prototype.CheckIsOpened = function()
  {
  	return this._IsOpened ;
  }
  
  FCKPanel.prototype.AttachToOnHideEvent = function( targetFunction )
  {
  	this._OnHide = targetFunction ;
  }