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Ignore whitespace Rev 1074 → Rev 1075

/trunk/api/fckeditor/editor/_source/internals/fcktools_gecko.js
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/*
* FCKeditor - The text editor for internet
* Copyright (C) 2003-2006 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/
*
* "Support Open Source software. What about a donation today?"
*
* File Name: fcktools_gecko.js
* Utility functions. (Gecko version).
*
* File Authors:
* Frederico Caldeira Knabben (fredck@fckeditor.net)
*/
 
// Constant for the Gecko Bogus Node.
var GECKO_BOGUS = FCKBrowserInfo.IsGecko ? '<br _moz_editor_bogus_node="TRUE">' : '' ;
 
FCKTools.CancelEvent = function( e )
{
if ( e )
e.preventDefault() ;
}
 
FCKTools.DisableSelection = function( element )
{
if ( FCKBrowserInfo.IsGecko )
element.style.MozUserSelect = 'none' ; // Gecko 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 ;
}
 
// 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 ;
}
 
FCKTools.RemoveOuterTags = function( e )
{
var oFragment = e.ownerDocument.createDocumentFragment() ;
for ( var i = 0 ; i < e.childNodes.length ; i++ )
oFragment.appendChild( e.childNodes[i] ) ;
e.parentNode.replaceChild( oFragment, e ) ;
}
 
FCKTools.CreateXmlObject = function( object )
{
switch ( object )
{
case 'XmlHttp' :
return new XMLHttpRequest() ;
case 'DOMDocument' :
return document.implementation.createDocument( '', '', null ) ;
}
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 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
}
 
return oSavedStyles ;
}
 
FCKTools.RestoreStyles = function( element, savedStyles )
{
element.className = savedStyles.Class || '' ;
 
if ( savedStyles.Inline )
element.setAttribute( 'style', savedStyles.Inline, 0 ) ; // 0 : Case Insensitive
else
element.removeAttribute( 'style', 0 ) ;
}
 
FCKTools.RegisterDollarFunction = function( targetWindow )
{
targetWindow.$ = function( id )
{
return this.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 ) ;
 
// 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 ;
 
c.X += el.offsetLeft - el.scrollLeft ;
c.Y += el.offsetTop - el.scrollTop ;
 
if ( el.offsetParent )
el = el.offsetParent ;
else
{
if ( oOwnerWindow != oWindow )
{
if ( el = oOwnerWindow.frameElement )
oOwnerWindow = FCKTools.GetElementWindow( el ) ;
}
else
{
c.X += el.scrollLeft ;
c.Y += el.scrollTop ;
break ;
}
}
}
 
// Return the Coordinates object
return c ;
}