X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/source/widgets/tree/AsyncTreeNode.js diff --git a/source/widgets/tree/AsyncTreeNode.js b/source/widgets/tree/AsyncTreeNode.js deleted file mode 100644 index 30fdb079..00000000 --- a/source/widgets/tree/AsyncTreeNode.js +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Ext JS Library 2.2.1 - * Copyright(c) 2006-2009, Ext JS, LLC. - * licensing@extjs.com - * - * http://extjs.com/license - */ - -/** - * @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){ - 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); - } - }.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])); - return; - } - } - Ext.tree.AsyncTreeNode.superclass.expand.call(this, deep, anim, callback); - }, - - /** - * Returns true if this node is currently loading - * @return {Boolean} - */ - isLoading : function(){ - return this.loading; - }, - - loadComplete : function(deep, anim, callback){ - this.loading = false; - this.loaded = true; - this.ui.afterLoad(this); - this.fireEvent("load", this); - this.expand(deep, anim, callback); - }, - - /** - * 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 - */ - reload : function(callback){ - 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); - } -}); - -Ext.tree.TreePanel.nodeTypes.async = Ext.tree.AsyncTreeNode; \ No newline at end of file