83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
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/*
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* Ext JS Library 0.30
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* Copyright(c) 2006-2009, Ext JS, LLC.
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* licensing@extjs.com
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*
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* http://extjs.com/license
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*/
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Ext.tree.LocalTreeLoader = Ext.extend(Ext.tree.TreeLoader, {
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requestData : function(node, callback){
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if(this.fireEvent("beforeload", this, node, callback) !== false){
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var p = Ext.urlDecode(this.getParams(node));
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var response = this.dataFn(node);
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this.processResponse(response, node, callback);
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this.fireEvent("load", this, node, response);
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}else{
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// if the load is cancelled, make sure we notify
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// the node that we are done
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if(typeof callback == "function"){
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callback();
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}
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}
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},
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processResponse : function(o, node, callback){
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try {
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node.beginUpdate();
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for(var i = 0, len = o.length; i < len; i++){
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var n = this.createNode(o[i]);
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if(n){
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node.appendChild(n);
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}
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}
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node.endUpdate();
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if(typeof callback == "function"){
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callback(this, node);
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}
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}catch(e){
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this.handleFailure(response);
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}
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},
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load : function(node, callback){
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if(this.clearOnLoad){
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while(node.firstChild){
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node.removeChild(node.firstChild);
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}
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}
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if(this.doPreload(node)){ // preloaded json children
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if(typeof callback == "function"){
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callback();
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}
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}else if(this.dataFn||this.fn){
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this.requestData(node, callback);
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}
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}
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});
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/**
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* @cfg {air.File} directory
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* Initial directory to load the FileTree from
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*/
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Ext.air.FileTreeLoader = Ext.extend(Ext.tree.LocalTreeLoader, {
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extensionFilter: false,
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dataFn: function(currNode) {
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var currDir;
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if (currNode.attributes.url) {
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currDir = this.directory.resolvePath(currNode.attributes.url);
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} else {
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currDir = this.directory;
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}
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var files = [];
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var c = currDir.getDirectoryListing();
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for (i = 0; i < c.length; i++) {
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if (c[i].isDirectory || this.extensionFilter === false || this.extensionFilter === c[i].extension)
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files.push({
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text: c[i].name,
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url: c[i].url,
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extension: c[i].extension,
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leaf: !c[i].isDirectory
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});
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}
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return files;
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}
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});
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