Файл: fckeditor/editor/_source/internals/fcktools.js
Строк: 786
<?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.
*/
var FCKTools = new Object() ;
FCKTools.CreateBogusBR = function( targetDocument )
{
var eBR = targetDocument.createElement( 'br' ) ;
// eBR.setAttribute( '_moz_editor_bogus_node', 'TRUE' ) ;
eBR.setAttribute( 'type', '_moz' ) ;
return eBR ;
}
/**
* Fixes relative URL entries defined inside CSS styles by appending a prefix
* to them.
* @param (String) cssStyles The CSS styles definition possibly containing url()
* paths.
* @param (String) urlFixPrefix The prefix to append to relative URLs.
*/
FCKTools.FixCssUrls = function( urlFixPrefix, cssStyles )
{
if ( !urlFixPrefix || urlFixPrefix.length == 0 )
return cssStyles ;
return cssStyles.replace( /urls*(([s'"]*)(.*?)([s"']*))/g, function( match, opener, path, closer )
{
if ( /^/|^w?:/.test( path ) )
return match ;
else
return 'url(' + opener + urlFixPrefix + path + closer + ')' ;
} ) ;
}
FCKTools._GetUrlFixedCss = function( cssStyles, urlFixPrefix )
{
var match = cssStyles.match( /^([^|]+)|([sS]*)/ ) ;
if ( match )
return FCKTools.FixCssUrls( match[1], match[2] ) ;
else
return cssStyles ;
}
/**
* Appends a <link css> or <style> element to the document.
* @param (Object) documentElement The DOM document object to which append the
* stylesheet.
* @param (Variant) cssFileOrDef A String pointing to the CSS file URL or an
* Array with many CSS file URLs or the CSS definitions for the <style>
* element.
* @return {Array} An array containing all elements created in the target
* document. It may include <link> or <style> elements, depending on the
* value passed with cssFileOrDef.
*/
FCKTools.AppendStyleSheet = function( domDocument, cssFileOrArrayOrDef )
{
if ( !cssFileOrArrayOrDef )
return [] ;
if ( typeof( cssFileOrArrayOrDef ) == 'string' )
{
// Test if the passed argument is an URL.
if ( /[\/.][^{}]*$/.test( cssFileOrArrayOrDef ) )
{
// The string may have several URLs separated by comma.
return this.AppendStyleSheet( domDocument, cssFileOrArrayOrDef.split(',') ) ;
}
else
return [ this.AppendStyleString( domDocument, FCKTools._GetUrlFixedCss( cssFileOrArrayOrDef ) ) ] ;
}
else
{
var styles = [] ;
for ( var i = 0 ; i < cssFileOrArrayOrDef.length ; i++ )
styles.push( this._AppendStyleSheet( domDocument, cssFileOrArrayOrDef[i] ) ) ;
return styles ;
}
}
FCKTools.GetStyleHtml = (function()
{
var getStyle = function( styleDef, markTemp )
{
if ( styleDef.length == 0 )
return '' ;
var temp = markTemp ? ' _fcktemp="true"' : '' ;
return '<' + 'style type="text/css"' + temp + '>' + styleDef + '<' + '/style>' ;
}
var getLink = function( cssFileUrl, markTemp )
{
if ( cssFileUrl.length == 0 )
return '' ;
var temp = markTemp ? ' _fcktemp="true"' : '' ;
return '<' + 'link href="' + cssFileUrl + '" type="text/css" rel="stylesheet" ' + temp + '/>' ;
}
return function( cssFileOrArrayOrDef, markTemp )
{
if ( !cssFileOrArrayOrDef )
return '' ;
if ( typeof( cssFileOrArrayOrDef ) == 'string' )
{
// Test if the passed argument is an URL.
if ( /[\/.][^{}]*$/.test( cssFileOrArrayOrDef ) )
{
// The string may have several URLs separated by comma.
return this.GetStyleHtml( cssFileOrArrayOrDef.split(','), markTemp ) ;
}
else
return getStyle( this._GetUrlFixedCss( cssFileOrArrayOrDef ), markTemp ) ;
}
else
{
var html = '' ;
for ( var i = 0 ; i < cssFileOrArrayOrDef.length ; i++ )
html += getLink( cssFileOrArrayOrDef[i], markTemp ) ;
return html ;
}
}
})() ;
FCKTools.GetElementDocument = function ( element )
{
return element.ownerDocument || element.document ;
}
// Get the window object where the element is placed in.
FCKTools.GetElementWindow = function( element )
{
return this.GetDocumentWindow( this.GetElementDocument( element ) ) ;
}
FCKTools.GetDocumentWindow = function( document )
{
// With Safari, there is not way to retrieve the window from the document, so we must fix it.
if ( FCKBrowserInfo.IsSafari && !document.parentWindow )
this.FixDocumentParentWindow( window.top ) ;
return document.parentWindow || document.defaultView ;
}
/*
This is a Safari specific function that fix the reference to the parent
window from the document object.
*/
FCKTools.FixDocumentParentWindow = function( targetWindow )
{
if ( targetWindow.document )
targetWindow.document.parentWindow = targetWindow ;
for ( var i = 0 ; i < targetWindow.frames.length ; i++ )
FCKTools.FixDocumentParentWindow( targetWindow.frames[i] ) ;
}
FCKTools.HTMLEncode = function( text )
{
if ( !text )
return '' ;
text = text.replace( /&/g, '&' ) ;
text = text.replace( /</g, '<' ) ;
text = text.replace( />/g, '>' ) ;
return text ;
}
FCKTools.HTMLDecode = function( text )
{
if ( !text )
return '' ;
text = text.replace( />/g, '>' ) ;
text = text.replace( /</g, '<' ) ;
text = text.replace( /&/g, '&' ) ;
return text ;
}
FCKTools._ProcessLineBreaksForPMode = function( oEditor, text, liState, node, strArray )
{
var closeState = 0 ;
var blockStartTag = "<p>" ;
var blockEndTag = "</p>" ;
var lineBreakTag = "<br />" ;
if ( liState )
{
blockStartTag = "<li>" ;
blockEndTag = "</li>" ;
closeState = 1 ;
}
// Are we currently inside a <p> tag now?
// If yes, close it at the next double line break.
while ( node && node != oEditor.FCK.EditorDocument.body )
{
if ( node.tagName.toLowerCase() == 'p' )
{
closeState = 1 ;
break;
}
node = node.parentNode ;
}
for ( var i = 0 ; i < text.length ; i++ )
{
var c = text.charAt( i ) ;
if ( c == 'r' )
continue ;
if ( c != 'n' )
{
strArray.push( c ) ;
continue ;
}
// Now we have encountered a line break.
// Check if the next character is also a line break.
var n = text.charAt( i + 1 ) ;
if ( n == 'r' )
{
i++ ;
n = text.charAt( i + 1 ) ;
}
if ( n == 'n' )
{
i++ ; // ignore next character - we have already processed it.
if ( closeState )
strArray.push( blockEndTag ) ;
strArray.push( blockStartTag ) ;
closeState = 1 ;
}
else
strArray.push( lineBreakTag ) ;
}
}
FCKTools._ProcessLineBreaksForDivMode = function( oEditor, text, liState, node, strArray )
{
var closeState = 0 ;
var blockStartTag = "<div>" ;
var blockEndTag = "</div>" ;
if ( liState )
{
blockStartTag = "<li>" ;
blockEndTag = "</li>" ;
closeState = 1 ;
}
// Are we currently inside a <div> tag now?
// If yes, close it at the next double line break.
while ( node && node != oEditor.FCK.EditorDocument.body )
{
if ( node.tagName.toLowerCase() == 'div' )
{
closeState = 1 ;
break ;
}
node = node.parentNode ;
}
for ( var i = 0 ; i < text.length ; i++ )
{
var c = text.charAt( i ) ;
if ( c == 'r' )
continue ;
if ( c != 'n' )
{
strArray.push( c ) ;
continue ;
}
if ( closeState )
{
if ( strArray[ strArray.length - 1 ] == blockStartTag )
{
// A div tag must have some contents inside for it to be visible.
strArray.push( " " ) ;
}
strArray.push( blockEndTag ) ;
}
strArray.push( blockStartTag ) ;
closeState = 1 ;
}
if ( closeState )
strArray.push( blockEndTag ) ;
}
FCKTools._ProcessLineBreaksForBrMode = function( oEditor, text, liState, node, strArray )
{
var closeState = 0 ;
var blockStartTag = "<br />" ;
var blockEndTag = "" ;
if ( liState )
{
blockStartTag = "<li>" ;
blockEndTag = "</li>" ;
closeState = 1 ;
}
for ( var i = 0 ; i < text.length ; i++ )
{
var c = text.charAt( i ) ;
if ( c == 'r' )
continue ;
if ( c != 'n' )
{
strArray.push( c ) ;
continue ;
}
if ( closeState && blockEndTag.length )
strArray.push ( blockEndTag ) ;
strArray.push( blockStartTag ) ;
closeState = 1 ;
}
}
FCKTools.ProcessLineBreaks = function( oEditor, oConfig, text )
{
var enterMode = oConfig.EnterMode.toLowerCase() ;
var strArray = [] ;
// Is the caret or selection inside an <li> tag now?
var liState = 0 ;
var range = new oEditor.FCKDomRange( oEditor.FCK.EditorWindow ) ;
range.MoveToSelection() ;
var node = range._Range.startContainer ;
while ( node && node.nodeType != 1 )
node = node.parentNode ;
if ( node && node.tagName.toLowerCase() == 'li' )
liState = 1 ;
if ( enterMode == 'p' )
this._ProcessLineBreaksForPMode( oEditor, text, liState, node, strArray ) ;
else if ( enterMode == 'div' )
this._ProcessLineBreaksForDivMode( oEditor, text, liState, node, strArray ) ;
else if ( enterMode == 'br' )
this._ProcessLineBreaksForBrMode( oEditor, text, liState, node, strArray ) ;
return strArray.join( "" ) ;
}
/**
* Adds an option to a SELECT element.
*/
FCKTools.AddSelectOption = function( selectElement, optionText, optionValue )
{
var oOption = FCKTools.GetElementDocument( selectElement ).createElement( "OPTION" ) ;
oOption.text = optionText ;
oOption.value = optionValue ;
selectElement.options.add(oOption) ;
return oOption ;
}
FCKTools.RunFunction = function( func, thisObject, paramsArray, timerWindow )
{
if ( func )
this.SetTimeout( func, 0, thisObject, paramsArray, timerWindow ) ;
}
FCKTools.SetTimeout = function( func, milliseconds, thisObject, paramsArray, timerWindow )
{
return ( timerWindow || window ).setTimeout(
function()
{
if ( paramsArray )
func.apply( thisObject, [].concat( paramsArray ) ) ;
else
func.apply( thisObject ) ;
},
milliseconds ) ;
}
FCKTools.SetInterval = function( func, milliseconds, thisObject, paramsArray, timerWindow )
{
return ( timerWindow || window ).setInterval(
function()
{
func.apply( thisObject, paramsArray || [] ) ;
},
milliseconds ) ;
}
FCKTools.ConvertStyleSizeToHtml = function( size )
{
return size.EndsWith( '%' ) ? size : parseInt( size, 10 ) ;
}
FCKTools.ConvertHtmlSizeToStyle = function( size )
{
return size.EndsWith( '%' ) ? size : ( size + 'px' ) ;
}
// START iCM MODIFICATIONS
// Amended to accept a list of one or more ascensor tag names
// Amended to check the element itself before working back up through the parent hierarchy
FCKTools.GetElementAscensor = function( element, ascensorTagNames )
{
// var e = element.parentNode ;
var e = element ;
var lstTags = "," + ascensorTagNames.toUpperCase() + "," ;
while ( e )
{
if ( lstTags.indexOf( "," + e.nodeName.toUpperCase() + "," ) != -1 )
return e ;
e = e.parentNode ;
}
return null ;
}
// END iCM MODIFICATIONS
FCKTools.CreateEventListener = function( func, params )
{
var f = function()
{
var aAllParams = [] ;
for ( var i = 0 ; i < arguments.length ; i++ )
aAllParams.push( arguments[i] ) ;
func.apply( this, aAllParams.concat( params ) ) ;
}
return f ;
}
FCKTools.IsStrictMode = function( document )
{
// There is no compatMode in Safari, but it seams that it always behave as
// CSS1Compat, so let's assume it as the default for that browser.
return ( 'CSS1Compat' == ( document.compatMode || ( FCKBrowserInfo.IsSafari ? 'CSS1Compat' : null ) ) ) ;
}
// Transforms a "arguments" object to an array.
FCKTools.ArgumentsToArray = function( args, startIndex, maxLength )
{
startIndex = startIndex || 0 ;
maxLength = maxLength || args.length ;
var argsArray = new Array() ;
for ( var i = startIndex ; i < startIndex + maxLength && i < args.length ; i++ )
argsArray.push( args[i] ) ;
return argsArray ;
}
FCKTools.CloneObject = function( sourceObject )
{
var fCloneCreator = function() {} ;
fCloneCreator.prototype = sourceObject ;
return new fCloneCreator ;
}
// Appends a bogus <br> at the end of the element, if not yet available.
FCKTools.AppendBogusBr = function( element )
{
if ( !element )
return ;
var eLastChild = this.GetLastItem( element.getElementsByTagName('br') ) ;
if ( !eLastChild || ( eLastChild.getAttribute( 'type', 2 ) != '_moz' && eLastChild.getAttribute( '_moz_dirty' ) == null ) )
{
var doc = this.GetElementDocument( element ) ;
if ( FCKBrowserInfo.IsOpera )
element.appendChild( doc.createTextNode('') ) ;
else
element.appendChild( this.CreateBogusBR( doc ) ) ;
}
}
FCKTools.GetLastItem = function( list )
{
if ( list.length > 0 )
return list[ list.length - 1 ] ;
return null ;
}
FCKTools.GetDocumentPosition = function( w, node )
{
var x = 0 ;
var y = 0 ;
var curNode = node ;
var prevNode = null ;
var curWindow = FCKTools.GetElementWindow( curNode ) ;
while ( curNode && !( curWindow == w && ( curNode == w.document.body || curNode == w.document.documentElement ) ) )
{
x += curNode.offsetLeft - curNode.scrollLeft ;
y += curNode.offsetTop - curNode.scrollTop ;
if ( ! FCKBrowserInfo.IsOpera )
{
var scrollNode = prevNode ;
while ( scrollNode && scrollNode != curNode )
{
x -= scrollNode.scrollLeft ;
y -= scrollNode.scrollTop ;
scrollNode = scrollNode.parentNode ;
}
}
prevNode = curNode ;
if ( curNode.offsetParent )
curNode = curNode.offsetParent ;
else
{
if ( curWindow != w )
{
curNode = curWindow.frameElement ;
prevNode = null ;
if ( curNode )
curWindow = curNode.contentWindow.parent ;
}
else
curNode = null ;
}
}
// document.body is a special case when it comes to offsetTop and offsetLeft values.
// 1. It matters if document.body itself is a positioned element;
// 2. It matters is when we're in IE and the element has no positioned ancestor.
// Otherwise the values should be ignored.
if ( FCKDomTools.GetCurrentElementStyle( w.document.body, 'position') != 'static'
|| ( FCKBrowserInfo.IsIE && FCKDomTools.GetPositionedAncestor( node ) == null ) )
{
x += w.document.body.offsetLeft ;
y += w.document.body.offsetTop ;
}
return { "x" : x, "y" : y } ;
}
FCKTools.GetWindowPosition = function( w, node )
{
var pos = this.GetDocumentPosition( w, node ) ;
var scroll = FCKTools.GetScrollPosition( w ) ;
pos.x -= scroll.X ;
pos.y -= scroll.Y ;
return pos ;
}
FCKTools.ProtectFormStyles = function( formNode )
{
if ( !formNode || formNode.nodeType != 1 || formNode.tagName.toLowerCase() != 'form' )
return [] ;
var hijackRecord = [] ;
var hijackNames = [ 'style', 'className' ] ;
for ( var i = 0 ; i < hijackNames.length ; i++ )
{
var name = hijackNames[i] ;
if ( formNode.elements.namedItem( name ) )
{
var hijackNode = formNode.elements.namedItem( name ) ;
hijackRecord.push( [ hijackNode, hijackNode.nextSibling ] ) ;
formNode.removeChild( hijackNode ) ;
}
}
return hijackRecord ;
}
FCKTools.RestoreFormStyles = function( formNode, hijackRecord )
{
if ( !formNode || formNode.nodeType != 1 || formNode.tagName.toLowerCase() != 'form' )
return ;
if ( hijackRecord.length > 0 )
{
for ( var i = hijackRecord.length - 1 ; i >= 0 ; i-- )
{
var node = hijackRecord[i][0] ;
var sibling = hijackRecord[i][1] ;
if ( sibling )
formNode.insertBefore( node, sibling ) ;
else
formNode.appendChild( node ) ;
}
}
}
// Perform a one-step DFS walk.
FCKTools.GetNextNode = function( node, limitNode )
{
if ( node.firstChild )
return node.firstChild ;
else if ( node.nextSibling )
return node.nextSibling ;
else
{
var ancestor = node.parentNode ;
while ( ancestor )
{
if ( ancestor == limitNode )
return null ;
if ( ancestor.nextSibling )
return ancestor.nextSibling ;
else
ancestor = ancestor.parentNode ;
}
}
return null ;
}
FCKTools.GetNextTextNode = function( textnode, limitNode, checkStop )
{
node = this.GetNextNode( textnode, limitNode ) ;
if ( checkStop && node && checkStop( node ) )
return null ;
while ( node && node.nodeType != 3 )
{
node = this.GetNextNode( node, limitNode ) ;
if ( checkStop && node && checkStop( node ) )
return null ;
}
return node ;
}
/**
* Merge all objects passed by argument into a single object.
*/
FCKTools.Merge = function()
{
var args = arguments ;
var o = args[0] ;
for ( var i = 1 ; i < args.length ; i++ )
{
var arg = args[i] ;
for ( var p in arg )
o[p] = arg[p] ;
}
return o ;
}
/**
* Check if the passed argument is a real Array. It may not working when
* calling it cross windows.
*/
FCKTools.IsArray = function( it )
{
return ( it instanceof Array ) ;
}
/**
* Appends a "length" property to an object, containing the number of
* properties available on it, excluded the append property itself.
*/
FCKTools.AppendLengthProperty = function( targetObject, propertyName )
{
var counter = 0 ;
for ( var n in targetObject )
counter++ ;
return targetObject[ propertyName || 'length' ] = counter ;
}
/**
* Gets the browser parsed version of a css text (style attribute value). On
* some cases, the browser makes changes to the css text, returning a different
* value. For example, hexadecimal colors get transformed to rgb().
*/
FCKTools.NormalizeCssText = function( unparsedCssText )
{
// Injects the style in a temporary span object, so the browser parses it,
// retrieving its final format.
var tempSpan = document.createElement( 'span' ) ;
tempSpan.style.cssText = unparsedCssText ;
return tempSpan.style.cssText ;
}
/**
* Binding the "this" reference to an object for a function.
*/
FCKTools.Bind = function( subject, func )
{
return function(){ return func.apply( subject, arguments ) ; } ;
}
/**
* Retrieve the correct "empty iframe" URL for the current browser, which
* causes the minimum fuzz (e.g. security warnings in HTTPS, DNS error in
* IE5.5, etc.) for that browser, making the iframe ready to DOM use whithout
* having to loading an external file.
*/
FCKTools.GetVoidUrl = function()
{
if ( FCK_IS_CUSTOM_DOMAIN )
return "javascript: void( function(){" +
"document.open();" +
"document.write('<html><head><title></title></head><body></body></html>');" +
"document.domain = '" + FCK_RUNTIME_DOMAIN + "';" +
"document.close();" +
"}() ) ;";
if ( FCKBrowserInfo.IsIE )
{
if ( FCKBrowserInfo.IsIE7 || !FCKBrowserInfo.IsIE6 )
return "" ; // IE7+ / IE5.5
else
return "javascript: '';" ; // IE6+
}
return "javascript: void(0);" ; // All other browsers.
}
FCKTools.ResetStyles = function( element )
{
element.style.cssText = 'margin:0;' +
'padding:0;' +
'border:0;' +
'background-color:transparent;' +
'background-image:none;' ;
}
?>