fckxhtml.js
534 lines
| 16.5 KiB
| application/javascript
|
JavascriptLexer
|
r0 | /* | ||
* 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 == | ||||
* | ||||
* Defines the FCKXHtml object, responsible for the XHTML operations. | ||||
*/ | ||||
var FCKXHtml = new Object() ; | ||||
FCKXHtml.CurrentJobNum = 0 ; | ||||
FCKXHtml.GetXHTML = function( node, includeNode, format ) | ||||
{ | ||||
FCKDomTools.CheckAndRemovePaddingNode( FCKTools.GetElementDocument( node ), FCKConfig.EnterMode ) ; | ||||
FCKXHtmlEntities.Initialize() ; | ||||
// Set the correct entity to use for empty blocks. | ||||
this._NbspEntity = ( FCKConfig.ProcessHTMLEntities? 'nbsp' : '#160' ) ; | ||||
// Save the current IsDirty state. The XHTML processor may change the | ||||
// original HTML, dirtying it. | ||||
var bIsDirty = FCK.IsDirty() ; | ||||
// Special blocks are blocks of content that remain untouched during the | ||||
// process. It is used for SCRIPTs and STYLEs. | ||||
FCKXHtml.SpecialBlocks = new Array() ; | ||||
// Create the XML DOMDocument object. | ||||
this.XML = FCKTools.CreateXmlObject( 'DOMDocument' ) ; | ||||
// Add a root element that holds all child nodes. | ||||
this.MainNode = this.XML.appendChild( this.XML.createElement( 'xhtml' ) ) ; | ||||
FCKXHtml.CurrentJobNum++ ; | ||||
// var dTimer = new Date() ; | ||||
if ( includeNode ) | ||||
this._AppendNode( this.MainNode, node ) ; | ||||
else | ||||
this._AppendChildNodes( this.MainNode, node, false ) ; | ||||
// Get the resulting XHTML as a string. | ||||
var sXHTML = this._GetMainXmlString() ; | ||||
// alert( 'Time: ' + ( ( ( new Date() ) - dTimer ) ) + ' ms' ) ; | ||||
this.XML = null ; | ||||
// Safari adds xmlns="http://www.w3.org/1999/xhtml" to the root node (#963) | ||||
if ( FCKBrowserInfo.IsSafari ) | ||||
sXHTML = sXHTML.replace( /^<xhtml.*?>/, '<xhtml>' ) ; | ||||
// Strip the "XHTML" root node. | ||||
sXHTML = sXHTML.substr( 7, sXHTML.length - 15 ).Trim() ; | ||||
// According to the doctype set the proper end for self-closing tags | ||||
// HTML: <br> | ||||
// XHTML: Add a space, like <br/> -> <br /> | ||||
if (FCKConfig.DocType.length > 0 && FCKRegexLib.HtmlDocType.test( FCKConfig.DocType ) ) | ||||
sXHTML = sXHTML.replace( FCKRegexLib.SpaceNoClose, '>'); | ||||
else | ||||
sXHTML = sXHTML.replace( FCKRegexLib.SpaceNoClose, ' />'); | ||||
if ( FCKConfig.ForceSimpleAmpersand ) | ||||
sXHTML = sXHTML.replace( FCKRegexLib.ForceSimpleAmpersand, '&' ) ; | ||||
if ( format ) | ||||
sXHTML = FCKCodeFormatter.Format( sXHTML ) ; | ||||
// Now we put back the SpecialBlocks contents. | ||||
for ( var i = 0 ; i < FCKXHtml.SpecialBlocks.length ; i++ ) | ||||
{ | ||||
var oRegex = new RegExp( '___FCKsi___' + i ) ; | ||||
sXHTML = sXHTML.replace( oRegex, FCKXHtml.SpecialBlocks[i] ) ; | ||||
} | ||||
// Replace entities marker with the ampersand. | ||||
sXHTML = sXHTML.replace( FCKRegexLib.GeckoEntitiesMarker, '&' ) ; | ||||
// Restore the IsDirty state if it was not dirty. | ||||
if ( !bIsDirty ) | ||||
FCK.ResetIsDirty() ; | ||||
FCKDomTools.EnforcePaddingNode( FCKTools.GetElementDocument( node ), FCKConfig.EnterMode ) ; | ||||
return sXHTML ; | ||||
} | ||||
FCKXHtml._AppendAttribute = function( xmlNode, attributeName, attributeValue ) | ||||
{ | ||||
try | ||||
{ | ||||
if ( attributeValue == undefined || attributeValue == null ) | ||||
attributeValue = '' ; | ||||
else if ( attributeValue.replace ) | ||||
{ | ||||
if ( FCKConfig.ForceSimpleAmpersand ) | ||||
attributeValue = attributeValue.replace( /&/g, '___FCKAmp___' ) ; | ||||
// Entities must be replaced in the attribute values. | ||||
attributeValue = attributeValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ; | ||||
} | ||||
// Create the attribute. | ||||
var oXmlAtt = this.XML.createAttribute( attributeName ) ; | ||||
oXmlAtt.value = attributeValue ; | ||||
// Set the attribute in the node. | ||||
xmlNode.attributes.setNamedItem( oXmlAtt ) ; | ||||
} | ||||
catch (e) | ||||
{} | ||||
} | ||||
FCKXHtml._AppendChildNodes = function( xmlNode, htmlNode, isBlockElement ) | ||||
{ | ||||
var oNode = htmlNode.firstChild ; | ||||
while ( oNode ) | ||||
{ | ||||
this._AppendNode( xmlNode, oNode ) ; | ||||
oNode = oNode.nextSibling ; | ||||
} | ||||
// Trim block elements. This is also needed to avoid Firefox leaving extra | ||||
// BRs at the end of them. | ||||
if ( isBlockElement && htmlNode.tagName && htmlNode.tagName.toLowerCase() != 'pre' ) | ||||
{ | ||||
FCKDomTools.TrimNode( xmlNode ) ; | ||||
if ( FCKConfig.FillEmptyBlocks ) | ||||
{ | ||||
var lastChild = xmlNode.lastChild ; | ||||
if ( lastChild && lastChild.nodeType == 1 && lastChild.nodeName == 'br' ) | ||||
this._AppendEntity( xmlNode, this._NbspEntity ) ; | ||||
} | ||||
} | ||||
// If the resulting node is empty. | ||||
if ( xmlNode.childNodes.length == 0 ) | ||||
{ | ||||
if ( isBlockElement && FCKConfig.FillEmptyBlocks ) | ||||
{ | ||||
this._AppendEntity( xmlNode, this._NbspEntity ) ; | ||||
return xmlNode ; | ||||
} | ||||
var sNodeName = xmlNode.nodeName ; | ||||
// Some inline elements are required to have something inside (span, strong, etc...). | ||||
if ( FCKListsLib.InlineChildReqElements[ sNodeName ] ) | ||||
return null ; | ||||
// We can't use short representation of empty elements that are not marked | ||||
// as empty in th XHTML DTD. | ||||
if ( !FCKListsLib.EmptyElements[ sNodeName ] ) | ||||
xmlNode.appendChild( this.XML.createTextNode('') ) ; | ||||
} | ||||
return xmlNode ; | ||||
} | ||||
FCKXHtml._AppendNode = function( xmlNode, htmlNode ) | ||||
{ | ||||
if ( !htmlNode ) | ||||
return false ; | ||||
switch ( htmlNode.nodeType ) | ||||
{ | ||||
// Element Node. | ||||
case 1 : | ||||
// If we detect a <br> inside a <pre> in Gecko, turn it into a line break instead. | ||||
// This is a workaround for the Gecko bug here: https://bugzilla.mozilla.org/show_bug.cgi?id=92921 | ||||
if ( FCKBrowserInfo.IsGecko | ||||
&& htmlNode.tagName.toLowerCase() == 'br' | ||||
&& htmlNode.parentNode.tagName.toLowerCase() == 'pre' ) | ||||
{ | ||||
var val = '\r' ; | ||||
if ( htmlNode == htmlNode.parentNode.firstChild ) | ||||
val += '\r' ; | ||||
return FCKXHtml._AppendNode( xmlNode, this.XML.createTextNode( val ) ) ; | ||||
} | ||||
// Here we found an element that is not the real element, but a | ||||
// fake one (like the Flash placeholder image), so we must get the real one. | ||||
if ( htmlNode.getAttribute('_fckfakelement') ) | ||||
return FCKXHtml._AppendNode( xmlNode, FCK.GetRealElement( htmlNode ) ) ; | ||||
// Ignore bogus BR nodes in the DOM. | ||||
if ( FCKBrowserInfo.IsGecko && | ||||
( htmlNode.hasAttribute('_moz_editor_bogus_node') || htmlNode.getAttribute( 'type' ) == '_moz' ) ) | ||||
{ | ||||
if ( htmlNode.nextSibling ) | ||||
return false ; | ||||
else | ||||
{ | ||||
htmlNode.removeAttribute( '_moz_editor_bogus_node' ) ; | ||||
htmlNode.removeAttribute( 'type' ) ; | ||||
} | ||||
} | ||||
// This is for elements that are instrumental to FCKeditor and | ||||
// must be removed from the final HTML. | ||||
if ( htmlNode.getAttribute('_fcktemp') ) | ||||
return false ; | ||||
// Get the element name. | ||||
var sNodeName = htmlNode.tagName.toLowerCase() ; | ||||
if ( FCKBrowserInfo.IsIE ) | ||||
{ | ||||
// IE doens't include the scope name in the nodeName. So, add the namespace. | ||||
if ( htmlNode.scopeName && htmlNode.scopeName != 'HTML' && htmlNode.scopeName != 'FCK' ) | ||||
sNodeName = htmlNode.scopeName.toLowerCase() + ':' + sNodeName ; | ||||
} | ||||
else | ||||
{ | ||||
if ( sNodeName.StartsWith( 'fck:' ) ) | ||||
sNodeName = sNodeName.Remove( 0,4 ) ; | ||||
} | ||||
// Check if the node name is valid, otherwise ignore this tag. | ||||
// If the nodeName starts with a slash, it is a orphan closing tag. | ||||
// On some strange cases, the nodeName is empty, even if the node exists. | ||||
if ( !FCKRegexLib.ElementName.test( sNodeName ) ) | ||||
return false ; | ||||
// The already processed nodes must be marked to avoid then to be duplicated (bad formatted HTML). | ||||
// So here, the "mark" is checked... if the element is Ok, then mark it. | ||||
if ( htmlNode._fckxhtmljob && htmlNode._fckxhtmljob == FCKXHtml.CurrentJobNum ) | ||||
return false ; | ||||
var oNode = this.XML.createElement( sNodeName ) ; | ||||
// Add all attributes. | ||||
FCKXHtml._AppendAttributes( xmlNode, htmlNode, oNode, sNodeName ) ; | ||||
htmlNode._fckxhtmljob = FCKXHtml.CurrentJobNum ; | ||||
// Tag specific processing. | ||||
var oTagProcessor = FCKXHtml.TagProcessors[ sNodeName ] ; | ||||
if ( oTagProcessor ) | ||||
oNode = oTagProcessor( oNode, htmlNode, xmlNode ) ; | ||||
else | ||||
oNode = this._AppendChildNodes( oNode, htmlNode, Boolean( FCKListsLib.NonEmptyBlockElements[ sNodeName ] ) ) ; | ||||
if ( !oNode ) | ||||
return false ; | ||||
xmlNode.appendChild( oNode ) ; | ||||
break ; | ||||
// Text Node. | ||||
case 3 : | ||||
if ( htmlNode.parentNode && htmlNode.parentNode.nodeName.IEquals( 'pre' ) ) | ||||
return this._AppendTextNode( xmlNode, htmlNode.nodeValue ) ; | ||||
return this._AppendTextNode( xmlNode, htmlNode.nodeValue.ReplaceNewLineChars(' ') ) ; | ||||
// Comment | ||||
case 8 : | ||||
// IE catches the <!DOTYPE ... > as a comment, but it has no | ||||
// innerHTML, so we can catch it, and ignore it. | ||||
if ( FCKBrowserInfo.IsIE && !htmlNode.innerHTML ) | ||||
break ; | ||||
try { xmlNode.appendChild( this.XML.createComment( htmlNode.nodeValue ) ) ; } | ||||
catch (e) { /* Do nothing... probably this is a wrong format comment. */ } | ||||
break ; | ||||
// Unknown Node type. | ||||
default : | ||||
xmlNode.appendChild( this.XML.createComment( "Element not supported - Type: " + htmlNode.nodeType + " Name: " + htmlNode.nodeName ) ) ; | ||||
break ; | ||||
} | ||||
return true ; | ||||
} | ||||
// Append an item to the SpecialBlocks array and returns the tag to be used. | ||||
FCKXHtml._AppendSpecialItem = function( item ) | ||||
{ | ||||
return '___FCKsi___' + FCKXHtml.SpecialBlocks.AddItem( item ) ; | ||||
} | ||||
FCKXHtml._AppendEntity = function( xmlNode, entity ) | ||||
{ | ||||
xmlNode.appendChild( this.XML.createTextNode( '#?-:' + entity + ';' ) ) ; | ||||
} | ||||
FCKXHtml._AppendTextNode = function( targetNode, textValue ) | ||||
{ | ||||
var bHadText = textValue.length > 0 ; | ||||
if ( bHadText ) | ||||
targetNode.appendChild( this.XML.createTextNode( textValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ) ) ; | ||||
return bHadText ; | ||||
} | ||||
// Retrieves a entity (internal format) for a given character. | ||||
function FCKXHtml_GetEntity( character ) | ||||
{ | ||||
// We cannot simply place the entities in the text, because the XML parser | ||||
// will translate & to &. So we use a temporary marker which is replaced | ||||
// in the end of the processing. | ||||
var sEntity = FCKXHtmlEntities.Entities[ character ] || ( '#' + character.charCodeAt(0) ) ; | ||||
return '#?-:' + sEntity + ';' ; | ||||
} | ||||
// An object that hold tag specific operations. | ||||
FCKXHtml.TagProcessors = | ||||
{ | ||||
a : function( node, htmlNode ) | ||||
{ | ||||
// Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1556878). | ||||
if ( htmlNode.innerHTML.Trim().length == 0 && !htmlNode.name ) | ||||
return false ; | ||||
var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ; | ||||
if ( sSavedUrl != null ) | ||||
FCKXHtml._AppendAttribute( node, 'href', sSavedUrl ) ; | ||||
// Anchors with content has been marked with an additional class, now we must remove it. | ||||
if ( FCKBrowserInfo.IsIE ) | ||||
{ | ||||
// Buggy IE, doesn't copy the name of changed anchors. | ||||
if ( htmlNode.name ) | ||||
FCKXHtml._AppendAttribute( node, 'name', htmlNode.name ) ; | ||||
} | ||||
node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; | ||||
return node ; | ||||
}, | ||||
area : function( node, htmlNode ) | ||||
{ | ||||
var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ; | ||||
if ( sSavedUrl != null ) | ||||
FCKXHtml._AppendAttribute( node, 'href', sSavedUrl ) ; | ||||
// IE ignores the "COORDS" and "SHAPE" attribute so we must add it manually. | ||||
if ( FCKBrowserInfo.IsIE ) | ||||
{ | ||||
if ( ! node.attributes.getNamedItem( 'coords' ) ) | ||||
{ | ||||
var sCoords = htmlNode.getAttribute( 'coords', 2 ) ; | ||||
if ( sCoords && sCoords != '0,0,0' ) | ||||
FCKXHtml._AppendAttribute( node, 'coords', sCoords ) ; | ||||
} | ||||
if ( ! node.attributes.getNamedItem( 'shape' ) ) | ||||
{ | ||||
var sShape = htmlNode.getAttribute( 'shape', 2 ) ; | ||||
if ( sShape && sShape.length > 0 ) | ||||
FCKXHtml._AppendAttribute( node, 'shape', sShape.toLowerCase() ) ; | ||||
} | ||||
} | ||||
return node ; | ||||
}, | ||||
body : function( node, htmlNode ) | ||||
{ | ||||
node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; | ||||
// Remove spellchecker attributes added for Firefox when converting to HTML code (Bug #1351). | ||||
node.removeAttribute( 'spellcheck' ) ; | ||||
return node ; | ||||
}, | ||||
// IE loses contents of iframes, and Gecko does give it back HtmlEncoded | ||||
// Note: Opera does lose the content and doesn't provide it in the innerHTML string | ||||
iframe : function( node, htmlNode ) | ||||
{ | ||||
var sHtml = htmlNode.innerHTML ; | ||||
// Gecko does give back the encoded html | ||||
if ( FCKBrowserInfo.IsGecko ) | ||||
sHtml = FCKTools.HTMLDecode( sHtml ); | ||||
// Remove the saved urls here as the data won't be processed as nodes | ||||
sHtml = sHtml.replace( /\s_fcksavedurl="[^"]*"/g, '' ) ; | ||||
node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( sHtml ) ) ) ; | ||||
return node ; | ||||
}, | ||||
img : function( node, htmlNode ) | ||||
{ | ||||
// The "ALT" attribute is required in XHTML. | ||||
if ( ! node.attributes.getNamedItem( 'alt' ) ) | ||||
FCKXHtml._AppendAttribute( node, 'alt', '' ) ; | ||||
var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ; | ||||
if ( sSavedUrl != null ) | ||||
FCKXHtml._AppendAttribute( node, 'src', sSavedUrl ) ; | ||||
// Bug #768 : If the width and height are defined inline CSS, | ||||
// don't define it again in the HTML attributes. | ||||
if ( htmlNode.style.width ) | ||||
node.removeAttribute( 'width' ) ; | ||||
if ( htmlNode.style.height ) | ||||
node.removeAttribute( 'height' ) ; | ||||
return node ; | ||||
}, | ||||
// Fix orphaned <li> nodes (Bug #503). | ||||
li : function( node, htmlNode, targetNode ) | ||||
{ | ||||
// If the XML parent node is already a <ul> or <ol>, then add the <li> as usual. | ||||
if ( targetNode.nodeName.IEquals( ['ul', 'ol'] ) ) | ||||
return FCKXHtml._AppendChildNodes( node, htmlNode, true ) ; | ||||
var newTarget = FCKXHtml.XML.createElement( 'ul' ) ; | ||||
// Reset the _fckxhtmljob so the HTML node is processed again. | ||||
htmlNode._fckxhtmljob = null ; | ||||
// Loop through all sibling LIs, adding them to the <ul>. | ||||
do | ||||
{ | ||||
FCKXHtml._AppendNode( newTarget, htmlNode ) ; | ||||
// Look for the next element following this <li>. | ||||
do | ||||
{ | ||||
htmlNode = FCKDomTools.GetNextSibling( htmlNode ) ; | ||||
} while ( htmlNode && htmlNode.nodeType == 3 && htmlNode.nodeValue.Trim().length == 0 ) | ||||
} while ( htmlNode && htmlNode.nodeName.toLowerCase() == 'li' ) | ||||
return newTarget ; | ||||
}, | ||||
// Fix nested <ul> and <ol>. | ||||
ol : function( node, htmlNode, targetNode ) | ||||
{ | ||||
if ( htmlNode.innerHTML.Trim().length == 0 ) | ||||
return false ; | ||||
var ePSibling = targetNode.lastChild ; | ||||
if ( ePSibling && ePSibling.nodeType == 3 ) | ||||
ePSibling = ePSibling.previousSibling ; | ||||
if ( ePSibling && ePSibling.nodeName.toUpperCase() == 'LI' ) | ||||
{ | ||||
htmlNode._fckxhtmljob = null ; | ||||
FCKXHtml._AppendNode( ePSibling, htmlNode ) ; | ||||
return false ; | ||||
} | ||||
node = FCKXHtml._AppendChildNodes( node, htmlNode ) ; | ||||
return node ; | ||||
}, | ||||
pre : function ( node, htmlNode ) | ||||
{ | ||||
var firstChild = htmlNode.firstChild ; | ||||
if ( firstChild && firstChild.nodeType == 3 ) | ||||
node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( '\r\n' ) ) ) ; | ||||
FCKXHtml._AppendChildNodes( node, htmlNode, true ) ; | ||||
return node ; | ||||
}, | ||||
script : function( node, htmlNode ) | ||||
{ | ||||
// The "TYPE" attribute is required in XHTML. | ||||
if ( ! node.attributes.getNamedItem( 'type' ) ) | ||||
FCKXHtml._AppendAttribute( node, 'type', 'text/javascript' ) ; | ||||
node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( htmlNode.text ) ) ) ; | ||||
return node ; | ||||
}, | ||||
span : function( node, htmlNode ) | ||||
{ | ||||
// Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1084404). | ||||
if ( htmlNode.innerHTML.length == 0 ) | ||||
return false ; | ||||
node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; | ||||
return node ; | ||||
}, | ||||
style : function( node, htmlNode ) | ||||
{ | ||||
// The "TYPE" attribute is required in XHTML. | ||||
if ( ! node.attributes.getNamedItem( 'type' ) ) | ||||
FCKXHtml._AppendAttribute( node, 'type', 'text/css' ) ; | ||||
var cssText = htmlNode.innerHTML ; | ||||
if ( FCKBrowserInfo.IsIE ) // Bug #403 : IE always appends a \r\n to the beginning of StyleNode.innerHTML | ||||
cssText = cssText.replace( /^(\r\n|\n|\r)/, '' ) ; | ||||
node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( cssText ) ) ) ; | ||||
return node ; | ||||
}, | ||||
title : function( node, htmlNode ) | ||||
{ | ||||
node.appendChild( FCKXHtml.XML.createTextNode( FCK.EditorDocument.title ) ) ; | ||||
return node ; | ||||
} | ||||
} ; | ||||
FCKXHtml.TagProcessors.ul = FCKXHtml.TagProcessors.ol ; | ||||