/*
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2004 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/
 * 
 * File Name: fckcontextmenu_gecko.js
 * Context Menu operations. (Gecko specific implementations)
 * 
 * Version:  2.0 RC3
 * Modified: 2004-08-27 16:58:07
 * 
 * File Authors:
 * Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

// The Context Menu CSS must be added to the parent document.
FCKTools.AppendStyleSheet( window.parent.document, FCKConfig.SkinPath + 'fck_contextmenu.css' ) ;

FCKContextMenu.Show = function( x, y )
{
if ( ! this._Document )
{
this._Document = window.parent.document ;
}

// Create the context menu if needed.
if ( !this._IsLoaded ) 
{
this.Reload() ;
this._Div.style.zIndex = 10000 ;
this._Div.oncontextmenu = function() { return false ; }
}

this.RefreshState() ;

// Get the editor area and editor frames positions.
var oCoordsA = FCKTools.GetElementPosition( FCK.EditorWindow.frameElement ) ;
var oCoordsB = FCKTools.GetElementPosition( window.frameElement ) ;

x += oCoordsA.X + oCoordsB.X ;
y += oCoordsA.Y + oCoordsB.Y ;

// Verifies if the context menu is completely visible.
var iXSpace = x + this._Div.offsetWidth - this._Div.ownerDocument.defaultView.innerWidth ;
var iYSpace = y + this._Div.offsetHeight - this._Div.ownerDocument.defaultView.innerHeight ;

if ( iXSpace > 0 ) x -= this._Div.offsetWidth ;
if ( iYSpace > 0 ) y -= this._Div.offsetHeight ;

// Set the context menu DIV in the specified location.
this._Div.style.left= x + 'px' ;
this._Div.style.top= y + 'px' ;

// Watch the "OnClick" event for all windows to close the Context Menu.
var oActualWindow = FCK.EditorWindow ;
while ( oActualWindow )
{
oActualWindow.document.addEventListener( 'click', FCKContextMenu._OnDocumentClick, false ) ;
if ( oActualWindow != oActualWindow.parent )
oActualWindow = oActualWindow.parent ;
else if ( oActualWindow.opener == null ) 
oActualWindow = oActualWindow.opener ;
else
break ;
}

// Show it.
this._Div.style.visibility= '' ;
}

FCKContextMenu._OnDocumentClick = function( event )
{
var e = event.target ;
while ( e )
{
if ( e == FCKContextMenu._Div ) return ;
e = e.parentNode ;
}
FCKContextMenu.Hide() ;
}

FCKContextMenu.Hide = function()
{
this._Div.style.visibility = 'hidden' ;
this._Div.style.left = this._Div.style.top = '1px' ;
}
