Файл: fckeditor/editor/_source/internals/fcktools_gecko.js
Строк: 390
<?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. (Gecko version).
*/
FCKTools.CancelEvent = function( e )
{
if ( e )
e.preventDefault() ;
}
FCKTools.DisableSelection = function( element )
{
if ( FCKBrowserInfo.IsGecko )
element.style.MozUserSelect = 'none' ; // Gecko only.
else if ( FCKBrowserInfo.IsSafari )
element.style.KhtmlUserSelect = 'none' ; // WebKit only.
else
element.style.userSelect = 'none' ; // CSS3 (not supported yet).
}
// Appends a CSS file to a document.
FCKTools._AppendStyleSheet = function( documentElement, cssFileUrl )
{
var e = documentElement.createElement( 'LINK' ) ;
e.rel = 'stylesheet' ;
e.type = 'text/css' ;
e.href = cssFileUrl ;
documentElement.getElementsByTagName("HEAD")[0].appendChild( e ) ;
return e ;
}
// Appends a CSS style string to a document.
FCKTools.AppendStyleString = function( documentElement, cssStyles )
{
if ( !cssStyles )
return null ;
var e = documentElement.createElement( "STYLE" ) ;
e.appendChild( documentElement.createTextNode( cssStyles ) ) ;
documentElement.getElementsByTagName( "HEAD" )[0].appendChild( e ) ;
return e ;
}
// Removes all attributes and values from the element.
FCKTools.ClearElementAttributes = function( element )
{
// Loop throw all attributes in the element
for ( var i = 0 ; i < element.attributes.length ; i++ )
{
// Remove the element by name.
element.removeAttribute( element.attributes[i].name, 0 ) ; // 0 : Case Insensitive
}
}
// Returns an Array of strings with all defined in the elements inside another element.
FCKTools.GetAllChildrenIds = function( parentElement )
{
// Create the array that will hold all Ids.
var aIds = new Array() ;
// Define a recursive function that search for the Ids.
var fGetIds = function( parent )
{
for ( var i = 0 ; i < parent.childNodes.length ; i++ )
{
var sId = parent.childNodes[i].id ;
// Check if the Id is defined for the element.
if ( sId && sId.length > 0 ) aIds[ aIds.length ] = sId ;
// Recursive call.
fGetIds( parent.childNodes[i] ) ;
}
}
// Start the recursive calls.
fGetIds( parentElement ) ;
return aIds ;
}
// Replaces a tag with its contents. For example "<span>My <b>tag</b></span>"
// will be replaced with "My <b>tag</b>".
FCKTools.RemoveOuterTags = function( e )
{
var oFragment = e.ownerDocument.createDocumentFragment() ;
for ( var i = 0 ; i < e.childNodes.length ; i++ )
oFragment.appendChild( e.childNodes[i].cloneNode(true) ) ;
e.parentNode.replaceChild( oFragment, e ) ;
}
FCKTools.CreateXmlObject = function( object )
{
switch ( object )
{
case 'XmlHttp' :
return new XMLHttpRequest() ;
case 'DOMDocument' :
// Originaly, we were had the following here:
// return document.implementation.createDocument( '', '', null ) ;
// But that doesn't work if we're running under domain relaxation mode, so we need a workaround.
// See http://ajaxian.com/archives/xml-messages-with-cross-domain-json about the trick we're using.
var doc = ( new DOMParser() ).parseFromString( '<tmp></tmp>', 'text/xml' ) ;
FCKDomTools.RemoveNode( doc.firstChild ) ;
return doc ;
}
return null ;
}
FCKTools.GetScrollPosition = function( relativeWindow )
{
return { X : relativeWindow.pageXOffset, Y : relativeWindow.pageYOffset } ;
}
FCKTools.AddEventListener = function( sourceObject, eventName, listener )
{
sourceObject.addEventListener( eventName, listener, false ) ;
}
FCKTools.RemoveEventListener = function( sourceObject, eventName, listener )
{
sourceObject.removeEventListener( eventName, listener, false ) ;
}
// Listeners attached with this function cannot be detached.
FCKTools.AddEventListenerEx = function( sourceObject, eventName, listener, paramsArray )
{
sourceObject.addEventListener(
eventName,
function( e )
{
listener.apply( sourceObject, [ e ].concat( paramsArray || [] ) ) ;
},
false
) ;
}
// Returns and object with the "Width" and "Height" properties.
FCKTools.GetViewPaneSize = function( win )
{
return { Width : win.innerWidth, Height : win.innerHeight } ;
}
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.getAttribute( 'style' ) ;
if ( sInlineStyle && sInlineStyle.length > 0 )
{
oSavedStyles.Inline = sInlineStyle ;
element.setAttribute( 'style', '', 0 ) ; // 0 : Case Insensitive
}
FCKTools.RestoreFormStyles( element, data ) ;
return oSavedStyles ;
}
FCKTools.RestoreStyles = function( element, savedStyles )
{
var data = FCKTools.ProtectFormStyles( element ) ;
element.className = savedStyles.Class || '' ;
if ( savedStyles.Inline )
element.setAttribute( 'style', savedStyles.Inline, 0 ) ; // 0 : Case Insensitive
else
element.removeAttribute( 'style', 0 ) ;
FCKTools.RestoreFormStyles( element, data ) ;
}
FCKTools.RegisterDollarFunction = function( targetWindow )
{
targetWindow.$ = function( id )
{
return targetWindow.document.getElementById( id ) ;
} ;
}
FCKTools.AppendElement = function( target, elementName )
{
return target.appendChild( target.ownerDocument.createElement( elementName ) ) ;
}
// Get the coordinates of an element.
// @el : The element to get the position.
// @relativeWindow: The window to which we want the coordinates relative to.
FCKTools.GetElementPosition = function( el, relativeWindow )
{
// Initializes the Coordinates object that will be returned by the function.
var c = { X:0, Y:0 } ;
var oWindow = relativeWindow || window ;
var oOwnerWindow = FCKTools.GetElementWindow( el ) ;
var previousElement = null ;
// Loop throw the offset chain.
while ( el )
{
var sPosition = oOwnerWindow.getComputedStyle(el, '').position ;
// Check for non "static" elements.
// 'FCKConfig.FloatingPanelsZIndex' -- Submenus are under a positioned IFRAME.
if ( sPosition && sPosition != 'static' && el.style.zIndex != FCKConfig.FloatingPanelsZIndex )
break ;
/*
FCKDebug.Output( el.tagName + ":" + "offset=" + el.offsetLeft + "," + el.offsetTop + " "
+ "scroll=" + el.scrollLeft + "," + el.scrollTop ) ;
*/
c.X += el.offsetLeft - el.scrollLeft ;
c.Y += el.offsetTop - el.scrollTop ;
// Backtrack due to offsetParent's calculation by the browser ignores scrollLeft and scrollTop.
// Backtracking is not needed for Opera
if ( ! FCKBrowserInfo.IsOpera )
{
var scrollElement = previousElement ;
while ( scrollElement && scrollElement != el )
{
c.X -= scrollElement.scrollLeft ;
c.Y -= scrollElement.scrollTop ;
scrollElement = scrollElement.parentNode ;
}
}
previousElement = el ;
if ( el.offsetParent )
el = el.offsetParent ;
else
{
if ( oOwnerWindow != oWindow )
{
el = oOwnerWindow.frameElement ;
previousElement = null ;
if ( el )
oOwnerWindow = FCKTools.GetElementWindow( el ) ;
}
else
{
c.X += el.scrollLeft ;
c.Y += el.scrollTop ;
break ;
}
}
}
// Return the Coordinates object
return c ;
}
?>