Roo/htmleditor/Tidy.js

diff --git a/Roo/htmleditor/Tidy.js b/Roo/htmleditor/Tidy.js
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+
+/**
+ * @class Roo.htmleditor.Tidy
+ * Tidy HTML 
+ * @cfg {Roo.HtmlEditorCore} core the editor.
+ * @constructor
+ * Create a new Filter.
+ * @param {Object} config Configuration options
+ */
+
+
+Roo.htmleditor.Tidy = function(cfg) {
+    Roo.apply(this, cfg);
+    
+    this.core.doc.body.innerHTML = this.tidy(this.core.doc.body, '');
+     
+}
+Roo.htmleditor.Tidy.prototype = {
+    
+    
+    wrap : function(s) {
+        return s.replace(/\n/g, " ").replace(/(?![^\n]{1,80}$)([^\n]{1,80})\s/g, '$1\n');
+    },
+
+    
+    /* ?? why ?? */
+    tidy : function(node, indent) {
+        
+       
+        //Roo.log(currentElement);
+       
+        var nodeName = node.nodeName;
+        //var tagName = Roo.util.Format.htmlEncode(currentElement.tagName);
+        var tagName = node.tagName; /// why encode tagname?
+        
+        if  (node.nodeType == 3) {
+            // text.
+            return indent === false ? node.nodeValue :
+                this.wrap(node.nodeValue.trim()).split("\n").join("\n" + indent)
+            
+        }
+        
+        if  (node.nodeType != 1) {
+            return '';
+        }
+        
+        
+        
+        if (node.tagName == 'BODY') {
+            
+            return this.cn(node, '');
+        }
+             
+             // Prints the node tagName, such as <A>, <IMG>, etc
+        var ret = (indent === false ? '' : indent ) + "<"+ node.node.tagName +  _this.attr(node) 
+        
+        // elements with no children..
+        if (['IMG', 'BR', 'HR', 'INPUT'].indexOf(tagName) > -1) {
+                return ret + '/>';
+        }
+        ret += '>';
+        
+        var cindent = indent + '  ';
+        if (['PRE', 'TEXTAREA', 'TD', 'A', 'SPAN'].indexOf(tagName) > -1) { // or code?
+            cindent = false;
+        }
+        
+        return ret +
+                this.cn(node, cindent )  +
+            '</' + node.tagName + '>' +
+            (indent === false ? '' : "\n");
+        
+    },
+    cn: function(node, indent)
+    {
+        var ret = [];
+        var allText = true;
+        var ar = Array.from(node.childNodes);
+        for (var i = 0 ; i < ar.length ; i++) {
+            ret.push(this.tidy(ar[i], indent));
+            if (ar[i].nodeType != 3) { //text
+                allText = false;
+            }
+        }
+        return ret.join('');
+    },
+    
+         
+        
+    attr : function(node)
+    {
+        var attr = [];
+        for(i = 0; i < node.attributes.length;i++) {
+            
+            // skip empty values?
+            if (!node.attributes.item(i).value.length) {
+                continue;
+            }
+            attr.push(  node.attributes.item(i).name + '="' +
+                    Roo.util.Format.htmlEncode(currentElement.attributes.item(i).value) + '"'
+            );
+        }
+        return attr.length ? (' ' + attr.join(' ') ) : '';
+        
+    }
+    
+    
+    
+}
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