Файл: fckeditor/editor/_source/internals/fcktools_ie.js
Строк: 264
<?php
/*
* FCKeditor - The text editor for Internet - http://www.fckeditor.net
* Copyright (C) 2003-2008 Frederico Caldeira Knabben
*
* == BEGIN LICENSE ==
*
* Licensed under the terms of any of the following licenses at your
* choice:
*
* - GNU General Public License Version 2 or later (the "GPL")
* http://www.gnu.org/licenses/gpl.html
*
* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
* http://www.gnu.org/licenses/lgpl.html
*
* - Mozilla Public License Version 1.1 or later (the "MPL")
* http://www.mozilla.org/MPL/MPL-1.1.html
*
* == END LICENSE ==
*
* Utility functions. (IE version).
*/
FCKTools.CancelEvent = function( e )
{
return false ;
}
// Appends one or more CSS files to a document.
FCKTools._AppendStyleSheet = function( documentElement, cssFileUrl )
{
return documentElement.createStyleSheet( cssFileUrl ).owningElement ;
}
// Appends a CSS style string to a document.
FCKTools.AppendStyleString = function( documentElement, cssStyles )
{
if ( !cssStyles )
return null ;
var s = documentElement.createStyleSheet( "" ) ;
s.cssText = cssStyles ;
return s ;
}
// Removes all attributes and values from the element.
FCKTools.ClearElementAttributes = function( element )
{
element.clearAttributes() ;
}
FCKTools.GetAllChildrenIds = function( parentElement )
{
var aIds = new Array() ;
for ( var i = 0 ; i < parentElement.all.length ; i++ )
{
var sId = parentElement.all[i].id ;
if ( sId && sId.length > 0 )
aIds[ aIds.length ] = sId ;
}
return aIds ;
}
FCKTools.RemoveOuterTags = function( e )
{
e.insertAdjacentHTML( 'beforeBegin', e.innerHTML ) ;
e.parentNode.removeChild( e ) ;
}
FCKTools.CreateXmlObject = function( object )
{
var aObjs ;
switch ( object )
{
case 'XmlHttp' :
// Try the native XMLHttpRequest introduced with IE7.
if ( document.location.protocol != 'file:' )
try { return new XMLHttpRequest() ; } catch (e) {}
aObjs = [ 'MSXML2.XmlHttp', 'Microsoft.XmlHttp' ] ;
break ;
case 'DOMDocument' :
aObjs = [ 'MSXML2.DOMDocument', 'Microsoft.XmlDom' ] ;
break ;
}
for ( var i = 0 ; i < 2 ; i++ )
{
try { return new ActiveXObject( aObjs[i] ) ; }
catch (e)
{}
}
if ( FCKLang.NoActiveX )
{
alert( FCKLang.NoActiveX ) ;
FCKLang.NoActiveX = null ;
}
return null ;
}
FCKTools.DisableSelection = function( element )
{
element.unselectable = 'on' ;
var e, i = 0 ;
// The extra () is to avoid a warning with strict error checking. This is ok.
while ( (e = element.all[ i++ ]) )
{
switch ( e.tagName )
{
case 'IFRAME' :
case 'TEXTAREA' :
case 'INPUT' :
case 'SELECT' :
/* Ignore the above tags */
break ;
default :
e.unselectable = 'on' ;
}
}
}
FCKTools.GetScrollPosition = function( relativeWindow )
{
var oDoc = relativeWindow.document ;
// Try with the doc element.
var oPos = { X : oDoc.documentElement.scrollLeft, Y : oDoc.documentElement.scrollTop } ;
if ( oPos.X > 0 || oPos.Y > 0 )
return oPos ;
// If no scroll, try with the body.
return { X : oDoc.body.scrollLeft, Y : oDoc.body.scrollTop } ;
}
FCKTools.AddEventListener = function( sourceObject, eventName, listener )
{
sourceObject.attachEvent( 'on' + eventName, listener ) ;
}
FCKTools.RemoveEventListener = function( sourceObject, eventName, listener )
{
sourceObject.detachEvent( 'on' + eventName, listener ) ;
}
// Listeners attached with this function cannot be detached.
FCKTools.AddEventListenerEx = function( sourceObject, eventName, listener, paramsArray )
{
// Ok... this is a closures party, but is the only way to make it clean of memory leaks.
var o = new Object() ;
o.Source = sourceObject ;
o.Params = paramsArray || [] ; // Memory leak if we have DOM objects here.
o.Listener = function( ev )
{
return listener.apply( o.Source, [ ev ].concat( o.Params ) ) ;
}
if ( FCK.IECleanup )
FCK.IECleanup.AddItem( null, function() { o.Source = null ; o.Params = null ; } ) ;
sourceObject.attachEvent( 'on' + eventName, o.Listener ) ;
sourceObject = null ; // Memory leak cleaner (because of the above closure).
paramsArray = null ; // Memory leak cleaner (because of the above closure).
}
// Returns and object with the "Width" and "Height" properties.
FCKTools.GetViewPaneSize = function( win )
{
var oSizeSource ;
var oDoc = win.document.documentElement ;
if ( oDoc && oDoc.clientWidth ) // IE6 Strict Mode
oSizeSource = oDoc ;
else
oSizeSource = win.document.body ; // Other IEs
if ( oSizeSource )
return { Width : oSizeSource.clientWidth, Height : oSizeSource.clientHeight } ;
else
return { Width : 0, Height : 0 } ;
}
FCKTools.SaveStyles = function( element )
{
var data = FCKTools.ProtectFormStyles( element ) ;
var oSavedStyles = new Object() ;
if ( element.className.length > 0 )
{
oSavedStyles.Class = element.className ;
element.className = '' ;
}
var sInlineStyle = element.style.cssText ;
if ( sInlineStyle.length > 0 )
{
oSavedStyles.Inline = sInlineStyle ;
element.style.cssText = '' ;
}
FCKTools.RestoreFormStyles( element, data ) ;
return oSavedStyles ;
}
FCKTools.RestoreStyles = function( element, savedStyles )
{
var data = FCKTools.ProtectFormStyles( element ) ;
element.className = savedStyles.Class || '' ;
element.style.cssText = savedStyles.Inline || '' ;
FCKTools.RestoreFormStyles( element, data ) ;
}
FCKTools.RegisterDollarFunction = function( targetWindow )
{
targetWindow.$ = targetWindow.document.getElementById ;
}
FCKTools.AppendElement = function( target, elementName )
{
return target.appendChild( this.GetElementDocument( target ).createElement( elementName ) ) ;
}
// This function may be used by Regex replacements.
FCKTools.ToLowerCase = function( strValue )
{
return strValue.toLowerCase() ;
}
?>