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/* * FCKeditor - The text editor for Internet - http://www.fckeditor.net * Copyright (C) 2003-2010 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 ; }