/*
 * 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: fck_1_gecko.js
 * This is the first part of the "FCK" object creation. This is the main
 * object that represents an editor instance.
 * (Gecko specific implementations)
 * 
 * Version:  2.0 RC3
 * Modified: 2005-02-23 18:27:28
 * 
 * File Authors:
 * Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

FCK.Description = "FCKeditor for Gecko Browsers" ;

FCK.InitializeBehaviors = function()
{
// Disable Right-Click
var oOnContextMenu = function( e )
{
e.preventDefault() ;
FCK.ShowContextMenu( e.clientX, e.clientY ) ;
}
this.EditorDocument.addEventListener( 'contextmenu', oOnContextMenu, true ) ;

var oOnKeyDown = function( e )
{
if ( e.ctrlKey && !e.shiftKey && !e.altKey )
{
// Char 86/118 = V/v
if ( e.which == 86 || e.which == 118 )
{
if ( FCK.Status == FCK_STATUS_COMPLETE )
{
if ( !FCK.Events.FireEvent( "OnPaste" ) )
e.preventDefault() ;
}
else
e.preventDefault() ;
}
}
}
this.EditorDocument.addEventListener( 'keydown', oOnKeyDown, true ) ;

this.ExecOnSelectionChange = function()
{
FCK.Events.FireEvent( "OnSelectionChange" ) ;
}

this.ExecOnSelectionChangeTimer = function()
{
if ( FCK.LastOnChangeTimer )
window.clearTimeout( FCK.LastOnChangeTimer ) ;

FCK.LastOnChangeTimer = window.setTimeout( FCK.ExecOnSelectionChange, 100 ) ;
}

this.EditorDocument.addEventListener( 'mouseup', this.ExecOnSelectionChange, false ) ;

// On Gecko, firing the "OnSelectionChange" event on every key press started to be too much
// slow. So, a timer has been implemented to solve performance issues when tipying to quickly.
this.EditorDocument.addEventListener( 'keyup', this.ExecOnSelectionChangeTimer, false ) ;

this._DblClickListener = function( e )
{
FCK.OnDoubleClick( e.target ) ;
e.stopPropagation() ;
}

this.EditorDocument.addEventListener( 'dblclick', this._DblClickListener, true ) ;

this._OnLoad = function()
{
if ( this._FCK_HTML )
{
this.document.body.innerHTML = this._FCK_HTML ;
this._FCK_HTML = null ;
}
}

this.EditorWindow.addEventListener( 'load', this._OnLoad, true ) ;
}

FCK.MakeEditable = function()
{
this.EditorWindow.document.designMode = 'on' ;

// Tell Gecko to use or not the <SPAN> tag for the bold, italic and underline.
this.EditorWindow.document.execCommand( 'useCSS', false, !FCKConfig.GeckoUseSPAN ) ;
}

FCK.Focus = function()
{
try
{
FCK.EditorWindow.focus() ;
}
catch(e) {}
}

FCK.SetHTML = function( html, forceWYSIWYG )
{
if ( forceWYSIWYG || FCK.EditMode == FCK_EDITMODE_WYSIWYG )
{
// Gecko has a lot of bugs mainly when handling editing features.
// To avoid an Aplication Exception (that closes the browser!) we
// must first write the <HTML> contents with an empty body, and
// then insert the body contents.
// (Oh yes... it took me a lot of time to find out this workaround)

this.EditorDocument.open() ;

if ( FCKConfig.FullPage && FCKRegexLib.BodyContents.test( html ) )
{
// Add the <BASE> tag to the input HTML.
if ( FCK.TempBaseTag.length > 0 && !FCKRegexLib.HasBaseTag.test( html ) )
html = html.replace( FCKRegexLib.HeadCloser, FCK.TempBaseTag + '</head>' ) ;

html = html.replace( FCKRegexLib.HeadCloser, '<link href="' + FCKConfig.BasePath + 'css/fck_internal.css' + '" rel="stylesheet" type="text/css" _fcktemp="true" /></head>' ) ;

// Extract the BODY contents from the html.
var oMatch= html.match( FCKRegexLib.BodyContents ) ;
var sOpener= oMatch[1] ;// This is the HTML until the <body...> tag, inclusive.
var sContents= oMatch[2] ;// This is the BODY tag contents.
var sCloser= oMatch[3] ;// This is the HTML from the </body> tag, inclusive.

this.EditorDocument.write( sOpener + '&nbsp;' + sCloser ) ;
}
else
{
var sHtml = 
'<html dir="' + FCKConfig.ContentLangDirection + '">' + 
'<head><title></title>' +
'<link href="' + FCKConfig.EditorAreaCSS + '" rel="stylesheet" type="text/css" />' +
'<link href="' + FCKConfig.BasePath + 'css/fck_internal.css' + '" rel="stylesheet" type="text/css" _fcktemp="true" />' ;

sHtml += FCK.TempBaseTag ;

sHtml += '</head><body>&nbsp;</body></html>' ;

this.EditorDocument.write( sHtml ) ;
}

this.EditorDocument.close() ;

if ( this.EditorDocument.body )
this.EditorDocument.body.innerHTML = sContents ?  sContents : html ;
else
this.EditorWindow._FCK_HTML = sContents ?  sContents : html ;

// TODO: Wait stable version and remove the following commented lines.
// We must load the CSS style after setting the innerHTML to avoid an error.
// The body is not available is the style link tag is written inside the <html> tag.
//if ( !FCKConfig.FullPage )
//{
//FCKTools.AppendStyleSheet( this.EditorDocument, FCKConfig.EditorAreaCSS ) ;
//FCKTools.AppendStyleSheet( this.EditorDocument, FCKConfig.BasePath + 'css/fck_internal.css' ) ;
//}

this.InitializeBehaviors() ;

this.Events.FireEvent( 'OnAfterSetHTML' ) ;
}
else
document.getElementById('eSourceField').value = html ;
}

