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/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dijit._editor.html"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit._editor.html"] = true;
dojo.provide("dijit._editor.html");
dojo.getObject("_editor", true, dijit);
dijit._editor.escapeXml=function(/*String*/str, /*Boolean?*/noSingleQuotes){
// summary:
// Adds escape sequences for special characters in XML: &<>"'
// Optionally skips escapes for single quotes
str = str.replace(/&/gm, "&").replace(/</gm, "<").replace(/>/gm, ">").replace(/"/gm, """);
if(!noSingleQuotes){
str = str.replace(/'/gm, "'");
}
return str; // string
};
dijit._editor.getNodeHtml=function(/* DomNode */node){
var output;
switch(node.nodeType){
case 1: //element node
var lName = node.nodeName.toLowerCase();
if(!lName || lName.charAt(0) == "/"){
// IE does some strange things with malformed HTML input, like
// treating a close tag </span> without an open tag <span>, as
// a new tag with tagName of /span. Corrupts output HTML, remove
// them. Other browsers don't prefix tags that way, so will
// never show up.
return "";
}
output = '<' + lName;
//store the list of attributes and sort it to have the
//attributes appear in the dictionary order
var attrarray = [];
var attr;
if(dojo.isIE && node.outerHTML){
var s = node.outerHTML;
s = s.substr(0, s.indexOf('>'))
.replace(/(['"])[^"']*\1/g, ''); //to make the following regexp safe
var reg = /(\b\w+)\s?=/g;
var m, key;
while((m = reg.exec(s))){
key = m[1];
if(key.substr(0,3) != '_dj'){
if(key == 'src' || key == 'href'){
if(node.getAttribute('_djrealurl')){
attrarray.push([key,node.getAttribute('_djrealurl')]);
continue;
}
}
var val, match;
switch(key){
case 'style':
val = node.style.cssText.toLowerCase();
break;
case 'class':
val = node.className;
break;
case 'width':
if(lName === "img"){
// This somehow gets lost on IE for IMG tags and the like
// and we have to find it in outerHTML, known IE oddity.
match=/width=(\S+)/i.exec(s);
if(match){
val = match[1];
}
break;
}
case 'height':
if(lName === "img"){
// This somehow gets lost on IE for IMG tags and the like
// and we have to find it in outerHTML, known IE oddity.
match=/height=(\S+)/i.exec(s);
if(match){
val = match[1];
}
break;
}
default:
val = node.getAttribute(key);
}
if(val != null){
attrarray.push([key, val.toString()]);
}
}
}
}else{
var i = 0;
while((attr = node.attributes[i++])){
//ignore all attributes starting with _dj which are
//internal temporary attributes used by the editor
var n = attr.name;
if(n.substr(0,3) != '_dj' /*&&
(attr.specified == undefined || attr.specified)*/){
var v = attr.value;
if(n == 'src' || n == 'href'){
if(node.getAttribute('_djrealurl')){
v = node.getAttribute('_djrealurl');
}
}
attrarray.push([n,v]);
}
}
}
attrarray.sort(function(a,b){
return a[0] < b[0] ? -1 : (a[0] == b[0] ? 0 : 1);
});
var j = 0;
while((attr = attrarray[j++])){
output += ' ' + attr[0] + '="' +
(dojo.isString(attr[1]) ? dijit._editor.escapeXml(attr[1], true) : attr[1]) + '"';
}
if(lName === "script"){
// Browsers handle script tags differently in how you get content,
// but innerHTML always seems to work, so insert its content that way
// Yes, it's bad to allow script tags in the editor code, but some people
// seem to want to do it, so we need to at least return them right.
// other plugins/filters can strip them.
output += '>' + node.innerHTML +'</' + lName + '>';
}else{
if(node.childNodes.length){
output += '>' + dijit._editor.getChildrenHtml(node)+'</' + lName +'>';
}else{
switch(lName){
case 'br':
case 'hr':
case 'img':
case 'input':
case 'base':
case 'meta':
case 'area':
case 'basefont':
// These should all be singly closed
output += ' />';
break;
default:
// Assume XML style separate closure for everything else.
output += '></' + lName + '>';
}
}
}
break;
case 4: // cdata
case 3: // text
// FIXME:
output = dijit._editor.escapeXml(node.nodeValue, true);
break;
case 8: //comment
// FIXME:
output = '<!--' + dijit._editor.escapeXml(node.nodeValue, true) + '-->';
break;
default:
output = "<!-- Element not recognized - Type: " + node.nodeType + " Name: " + node.nodeName + "-->";
}
return output;
};
dijit._editor.getChildrenHtml = function(/* DomNode */dom){
// summary:
// Returns the html content of a DomNode and children
var out = "";
if(!dom){ return out; }
var nodes = dom["childNodes"] || dom;
//IE issue.
//If we have an actual node we can check parent relationships on for IE,
//We should check, as IE sometimes builds invalid DOMS. If no parent, we can't check
//And should just process it and hope for the best.
var checkParent = !dojo.isIE || nodes !== dom;
var node, i = 0;
while((node = nodes[i++])){
//IE is broken. DOMs are supposed to be a tree. But in the case of malformed HTML, IE generates a graph
//meaning one node ends up with multiple references (multiple parents). This is totally wrong and invalid, but
//such is what it is. We have to keep track and check for this because otherise the source output HTML will have dups.
//No other browser generates a graph. Leave it to IE to break a fundamental DOM rule. So, we check the parent if we can
//If we can't, nothing more we can do other than walk it.
if(!checkParent || node.parentNode == dom){
out += dijit._editor.getNodeHtml(node);
}
}
return out; // String
};
}
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