+++ /dev/null
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-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <title>The source code</title>
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
-</head>
-<body onload="prettyPrint();">
- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-<div id="cls-Ext.tree.AsyncTreeNode"></div>/**
- * @class Ext.tree.AsyncTreeNode
- * @extends Ext.tree.TreeNode
- * @cfg {TreeLoader} loader A TreeLoader to be used by this node (defaults to the loader defined on the tree)
- * @constructor
- * @param {Object/String} attributes The attributes/config for the node or just a string with the text for the node
- */
- Ext.tree.AsyncTreeNode = function(config){
- this.loaded = config && config.loaded === true;
- this.loading = false;
- Ext.tree.AsyncTreeNode.superclass.constructor.apply(this, arguments);
- /**
- * @event beforeload
- * Fires before this node is loaded, return false to cancel
- * @param {Node} this This node
- */
- this.addEvents('beforeload', 'load');
- /**
- * @event load
- * Fires when this node is loaded
- * @param {Node} this This node
- */
- /**
- * The loader used by this node (defaults to using the tree's defined loader)
- * @type TreeLoader
- * @property loader
- */
-};
-Ext.extend(Ext.tree.AsyncTreeNode, Ext.tree.TreeNode, {
- expand : function(deep, anim, callback, scope){
- if(this.loading){ // if an async load is already running, waiting til it's done
- var timer;
- var f = function(){
- if(!this.loading){ // done loading
- clearInterval(timer);
- this.expand(deep, anim, callback, scope);
- }
- }.createDelegate(this);
- timer = setInterval(f, 200);
- return;
- }
- if(!this.loaded){
- if(this.fireEvent("beforeload", this) === false){
- return;
- }
- this.loading = true;
- this.ui.beforeLoad(this);
- var loader = this.loader || this.attributes.loader || this.getOwnerTree().getLoader();
- if(loader){
- loader.load(this, this.loadComplete.createDelegate(this, [deep, anim, callback, scope]), this);
- return;
- }
- }
- Ext.tree.AsyncTreeNode.superclass.expand.call(this, deep, anim, callback, scope);
- },
-
- /**
- * Returns true if this node is currently loading
- * @return {Boolean}
- */
- isLoading : function(){
- return this.loading;
- },
-
- loadComplete : function(deep, anim, callback, scope){
- this.loading = false;
- this.loaded = true;
- this.ui.afterLoad(this);
- this.fireEvent("load", this);
- this.expand(deep, anim, callback, scope);
- },
-
- /**
- * Returns true if this node has been loaded
- * @return {Boolean}
- */
- isLoaded : function(){
- return this.loaded;
- },
-
- hasChildNodes : function(){
- if(!this.isLeaf() && !this.loaded){
- return true;
- }else{
- return Ext.tree.AsyncTreeNode.superclass.hasChildNodes.call(this);
- }
- },
-
- /**
- * Trigger a reload for this node
- * @param {Function} callback
- * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the callback is executed. Defaults to this Node.
- */
- reload : function(callback, scope){
- this.collapse(false, false);
- while(this.firstChild){
- this.removeChild(this.firstChild).destroy();
- }
- this.childrenRendered = false;
- this.loaded = false;
- if(this.isHiddenRoot()){
- this.expanded = false;
- }
- this.expand(false, false, callback, scope);
- }
-});
-
-Ext.tree.TreePanel.nodeTypes.async = Ext.tree.AsyncTreeNode;</pre>
-</body>
-</html>
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git.ithinksw.org / extjs.git / blobdiff