roojs-core.js

[roojs1] / Roo / Template.js

diff --git a/Roo/Template.js b/Roo/Template.js
index 7084170..f117c9a 100644 (file)
--- a/Roo/Template.js
+++ b/Roo/Template.js
@@ -16,17 +16,20 @@
 * Usage:
 <pre><code>
 var t = new Roo.Template({
-    * html : 
-    '&lt;div name="{id}"&gt;',
-        '&lt;span class="{cls}"&gt;{name:trim} {value:ellipsis(10)}&lt;/span&gt;',
-    '&lt;/div&gt;'
-);
+    html :  '&lt;div name="{id}"&gt;' + 
+        '&lt;span class="{cls}"&gt;{name:trim} {someval:this.myformat}{value:ellipsis(10)}&lt;/span&gt;' +
+        '&lt;/div&gt;',
+    myformat: function (value, allValues) {
+        return 'XX' + value;
+    }
+});
 t.append('some-element', {id: 'myid', cls: 'myclass', name: 'foo', value: 'bar'});
 </code></pre>
-* For more information see this blog post with examples: <a href="http://www.jackslocum.com/yui/2006/10/06/domhelper-create-elements-using-dom-html-fragments-or-templates/">DomHelper - Create Elements using DOM, HTML fragments and Templates</a>. 
+* For more information see this blog post with examples:
+*  <a href="http://www.cnitblog.com/seeyeah/archive/2011/12/30/38728.html/">DomHelper
+     - Create Elements using DOM, HTML fragments and Templates</a>. 
 * @constructor
 * @param {Object} cfg - Configuration object.
-* @param {String/Array} html 
 */
 Roo.Template = function(cfg){
     // BC!
@@ -43,23 +46,44 @@ Roo.Template = function(cfg){
         // bc
         this.html = cfg;
     }
-    
+    if (this.url) {
+        this.load();
+    }
     
 };
 Roo.Template.prototype = {
     
+    /**
+     * @cfg {Function} onLoad Called after the template has been loaded and complied (usually from a remove source)
+     */
+    onLoad : false,
+    
+    
+    /**
+     * @cfg {String} url  The Url to load the template from. beware if you are loading from a url, the data may not be ready if you use it instantly..
+     *                    it should be fixed so that template is observable...
+     */
+    url : false,
     /**
      * @cfg {String} html  The HTML fragment or an array of fragments to join("") or multiple arguments to join("")
      */
     html : '',
+    
+    
+    compiled : false,
+    loaded : false,
     /**
      * Returns an HTML fragment of this template with the specified values applied.
      * @param {Object} values The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'})
      * @return {String} The HTML fragment
      */
+    
+   
+    
     applyTemplate : function(values){
+        //Roo.log(["applyTemplate", values]);
         try {
-            
+           
             if(this.compiled){
                 return this.compiled(values);
             }
@@ -97,6 +121,40 @@ Roo.Template.prototype = {
          
     },
     
+    loading : false,
+      
+    load : function ()
+    {
+         
+        if (this.loading) {
+            return;
+        }
+        var _t = this;
+        
+        this.loading = true;
+        this.compiled = false;
+        
+        var cx = new Roo.data.Connection();
+        cx.request({
+            url : this.url,
+            method : 'GET',
+            success : function (response) {
+                _t.loading = false;
+                _t.url = false;
+                
+                _t.set(response.responseText,true);
+                _t.loaded = true;
+                if (_t.onLoad) {
+                    _t.onLoad();
+                }
+             },
+            failure : function(response) {
+                Roo.log("Template failed to load from " + _t.url);
+                _t.loading = false;
+            }
+        });
+    },
+
     /**
      * Sets the HTML used as the template and optionally compiles it.
      * @param {String} html
@@ -105,7 +163,7 @@ Roo.Template.prototype = {
      */
     set : function(html, compile){
         this.html = html;
-        this.compiled = null;
+        this.compiled = false;
         if(compile){
             this.compile();
         }