/*
 * 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_ie.js
 * This is the first part of the "FCK" object creation. This is the main
 * object that represents an editor instance.
 * (IE specific implementations)
 * 
 * Version:  2.0 RC3
 * Modified: 2005-03-02 08:58:17
 * 
 * File Authors:
 * Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

FCK.Description = "FCKeditor for Internet Explorer 5.5+" ;

// The behaviors should be pointed using the FullBasePath to avoid security
// errors when using a differente BaseHref.
FCK._BehaviorsStyle = 
'<style type="text/css" _fcktemp="true"> \
TABLE{ behavior: url(' + FCKConfig.FullBasePath + 'css/behaviors/showtableborders.htc) ; } \
A{ behavior: url(' + FCKConfig.FullBasePath + 'css/behaviors/anchors.htc) ; } \
INPUT{ behavior: url(' + FCKConfig.FullBasePath + 'css/behaviors/hiddenfield.htc) ; } \
</style>' ;

FCK.InitializeBehaviors = function( dontReturn )
{
// Set the focus to the editable area when clicking in the document area.
// TODO: The cursor must be positioned at the end.
this.EditorDocument.onmousedown = this.EditorDocument.onmouseup = function()
{
FCK.Focus() ;

FCK.EditorWindow.event.cancelBubble= true ;
FCK.EditorWindow.event.returnValue= false ;
}

// Intercept pasting operations
this.EditorDocument.body.onpaste = function()
{
if ( FCK.Status == FCK_STATUS_COMPLETE )
return FCK.Events.FireEvent( "OnPaste" ) ;
else
return false ;
}

// Disable Right-Click and shows the context menu.
this.EditorDocument.oncontextmenu = function()
{
var e = this.parentWindow.event ;
FCK.ShowContextMenu( e.screenX, e.screenY ) ;
return false ;
}
// Check if key strokes must be monitored.
if ( FCKConfig.UseBROnCarriageReturn || FCKConfig.TabSpaces > 0 )
{
// Build the "TAB" key replacement.
if ( FCKConfig.TabSpaces > 0 )
{
window.FCKTabHTML = '' ;
for ( i = 0 ; i < FCKConfig.TabSpaces ; i++ )
window.FCKTabHTML += "&nbsp;" ;
}

this.EditorDocument.onkeydown = function()
{
var e = FCK.EditorWindow.event ;

if ( e.keyCode == 13 && FCKConfig.UseBROnCarriageReturn )// ENTER
{
if ( (e.ctrlKey || e.altKey || e.shiftKey) )
return true ;
else
{
// We must ignore it if we are inside a List.
if ( FCK.EditorDocument.queryCommandState( 'InsertOrderedList' ) || FCK.EditorDocument.queryCommandState( 'InsertUnorderedList' ) )
return true ;

// Insert the <BR> (The &nbsp; must be also inserted to make it work)
FCK.InsertHtml("<br>&nbsp;") ;

// Remove the &nbsp;
var oRange = FCK.EditorDocument.selection.createRange() ;
oRange.moveStart('character',-1) ;
oRange.select() ;
FCK.EditorDocument.selection.clear() ;

return false ;
}
}
else if ( e.keyCode == 9 && FCKConfig.TabSpaces > 0 && !(e.ctrlKey || e.altKey || e.shiftKey) )// TAB
{
FCK.InsertHtml( window.FCKTabHTML ) ;
return false ;
}

return true ;
}
}

this.EditorDocument.ondblclick = function()
{
FCK.OnDoubleClick( FCK.EditorWindow.event.srcElement ) ;
FCK.EditorWindow.event.cancelBubble = true ;
}

// Catch cursor movements
this.EditorDocument.onselectionchange = function()
{
FCK.Events.FireEvent( "OnSelectionChange" ) ;
}

//Enable editing
//this.EditorDocument.body.contentEditable = true ;
}

FCK.Focus = function()
{
try
{
if ( FCK.EditMode == FCK_EDITMODE_WYSIWYG )
FCK.EditorDocument.body.focus() ;
else
document.getElementById('eSourceField').focus() ;
}
catch(e) {}
}

FCK.SetHTML = function( html, forceWYSIWYG )
{
if ( forceWYSIWYG || FCK.EditMode == FCK_EDITMODE_WYSIWYG )
{
// TODO: Wait stable version and remove the following commented lines.
// In IE, if you do document.body.innerHTML = '<p><hr></p>' it throws a "Unknow runtime error".
// To solve it we must add a fake (safe) tag before it, and then remove it.
// this.EditorDocument.body.innerHTML = '<div id="__fakeFCKRemove__">&nbsp;</div>' + html.replace( FCKRegexLib.AposEntity, '&#39;' ) ;
// this.EditorDocument.getElementById('__fakeFCKRemove__').removeNode(true) ;

this.EditorDocument.open() ;

if ( FCKConfig.FullPage )
{
var sExtraHtml = 
FCK._BehaviorsStyle +
'<link href="' + FCKConfig.FullBasePath + 'css/fck_internal.css' + '" rel="stylesheet" type="text/css" _fcktemp="true" />' ;

if ( FCK.TempBaseTag.length > 0 && !FCKRegexLib.HasBaseTag.test( html ) )
sExtraHtml += FCK.TempBaseTag ;

html = html.replace( FCKRegexLib.HeadCloser, sExtraHtml + '</head>' ) ;

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

sHtml += FCK._BehaviorsStyle ;
sHtml += FCK.TempBaseTag ;
sHtml += '</head><body>' + html  + '</body></html>' ;

this.EditorDocument.write( sHtml ) ;
}

this.EditorDocument.close() ;

this.InitializeBehaviors() ;
this.EditorDocument.body.contentEditable = true ;

this.Events.FireEvent( 'OnAfterSetHTML' ) ;

// TODO: Wait stable version and remove the following commented lines.
//this.EditorDocument.body.innerHTML = '' ;
//if ( html && html.length > 0 )
//this.EditorDocument.write( html ) ;

//this.EditorDocument.dir = FCKConfig.ContentLangDirection ;
}
else
document.getElementById('eSourceField').value = html ;
}

// TODO: Wait stable version and remove the following commented lines.
/*
FCK.CheckRelativeLinks = function()
{
// IE automatically change relative URLs to absolute, so we use a trick
// to solve this problem (the document base points to "fckeditor:".

for ( var i = 0 ; i < this.EditorDocument.links.length ; i++ )
{
var e = this.EditorDocument.links[i] ;

if ( e.href.startsWith( FCK.BaseUrl ) )
e.href = e.href.remove( 0, FCK.BaseUrl.length ) ;
}

for ( var i = 0 ; i < this.EditorDocument.images.length ; i++ )
{
var e = this.EditorDocument.images[i] ;

if ( e.src.startsWith( FCK.BaseUrl ) )
e.src = e.src.remove( 0, FCK.BaseUrl.length ) ;
}
}
*/

FCK.InsertHtml = function( html )
{
FCK.Focus() ;

// Gets the actual selection.
var oSel = FCK.EditorDocument.selection ;

// Deletes the actual selection contents.
if ( oSel.type.toLowerCase() != "none" )
oSel.clear() ;

// Inset the HTML.
oSel.createRange().pasteHTML( html ) ;
}

