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+<html>\r
+<head>\r
+ <title>The source code</title>\r
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
+</head>\r
+<body onload="prettyPrint();">\r
+ <pre class="prettyprint lang-js">
+//
+// Extend the XmlTreeLoader to set some custom TreeNode attributes specific to our application:
+//
+Ext.app.BookLoader = Ext.extend(Ext.ux.tree.XmlTreeLoader, {
+ processAttributes : function(attr){
+ if(attr.first){ // is it an author node?
+
+ // Set the node text that will show in the tree since our raw data does not include a text attribute:
+ attr.text = attr.first + ' ' + attr.last;
+
+ // Author icon, using the gender flag to choose a specific icon:
+ attr.iconCls = 'author-' + attr.gender;
+
+ // Override these values for our folder nodes because we are loading all data at once. If we were
+ // loading each node asynchronously (the default) we would not want to do this:
+ attr.loaded = true;
+ attr.expanded = true;
+ }
+ else if(attr.title){ // is it a book node?
+
+ // Set the node text that will show in the tree since our raw data does not include a text attribute:
+ attr.text = attr.title + ' (' + attr.published + ')';
+
+ // Book icon:
+ attr.iconCls = 'book';
+
+ // Tell the tree this is a leaf node. This could also be passed as an attribute in the original XML,
+ // but this example demonstrates that you can control this even when you cannot dictate the format of
+ // the incoming source XML:
+ attr.leaf = true;
+ }
+ }
+});
+
+Ext.onReady(function(){
+
+ var detailsText = '<i>Select a book to see more information...</i>';
+
+ var tpl = new Ext.Template(
+ '<h2 class="title">{title}</h2>',
+ '<p><b>Published</b>: {published}</p>',
+ '<p><b>Synopsis</b>: {innerText}</p>',
+ '<p><a href="{url}" target="_blank">Purchase from Amazon</a></p>'
+ );
+ tpl.compile();
+
+ new Ext.Panel({
+ title: 'Reading List',
+ renderTo: 'tree',
+ layout: 'border',
+ width: 500,
+ height: 500,
+ items: [{
+ xtype: 'treepanel',
+ id: 'tree-panel',
+ region: 'center',
+ margins: '2 2 0 2',
+ autoScroll: true,
+ rootVisible: false,
+ root: new Ext.tree.AsyncTreeNode(),
+
+ // Our custom TreeLoader:
+ loader: new Ext.app.BookLoader({
+ dataUrl:'xml-tree-data.xml'
+ }),
+
+ listeners: {
+ 'render': function(tp){
+ tp.getSelectionModel().on('selectionchange', function(tree, node){
+ var el = Ext.getCmp('details-panel').body;
+ if(node && node.leaf){
+ tpl.overwrite(el, node.attributes);
+ }else{
+ el.update(detailsText);
+ }
+ })
+ }
+ }
+ },{
+ region: 'south',
+ title: 'Book Details',
+ id: 'details-panel',
+ autoScroll: true,
+ collapsible: true,
+ split: true,
+ margins: '0 2 2 2',
+ cmargins: '2 2 2 2',
+ height: 220,
+ html: detailsText
+ }]
+ });
+});</pre> \r
+</body>\r
+</html>
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git.ithinksw.org / extjs.git / blobdiff