wangdaping
/
wp


			
				
					
						
						
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							<html>
	<head>
		<title>Testing dojox.dtl using a blog example</title>
		<script src="../../../dojo/dojo.js" djConfig="parseOnLoad: true, usePlainJson: true"></script>
		<script>
			dojo.require("dojox.dtl.widget");

			dojo.provide("demo");

			dojo.declare("demo.Blog", dojox.dtl._Widget,
			{
				buffer: dojox.dtl.render.html.sensitivity.NODE,
				constructor: function(props, node){
					this.contexts = {
						list: false,
						blogs: {},
						pages: {}
					}
					this.templates = {
						list: new dojox.dtl.HtmlTemplate(dojo.moduleUrl("dojox.dtl.demos.templates", "blog_list.html")),
						detail: new dojox.dtl.HtmlTemplate(dojo.moduleUrl("dojox.dtl.demos.templates", "blog_detail.html")),
						page: new dojox.dtl.HtmlTemplate(dojo.moduleUrl("dojox.dtl.demos.templates", "blog_page.html"))
					}
				},
				postCreate: function(){
					if(this.contexts.list){
						this.render(this.templates.list, this.contexts.list);
					}else{
						dojo.xhrGet({
							url: dojo.moduleUrl("dojox.dtl.demos.json.blog", "get_blog_list.json"),
							handleAs: "json"
						}).addCallback(this, "_loadList");
					}
				},
				_showList: function(obj){
					this.render(this.templates.list, this.contexts.list);
				},
				_showDetail: function(obj){
					var key = obj.target.className.substring(5);

					if(this.contexts.blogs[key]){
						this.render(this.templates.detail, this.contexts.blogs[key]);
					}else{
						dojo.xhrGet({
							url: dojo.moduleUrl("dojox.dtl.demos.json.blog", "get_blog_" + key + ".json"),
							handleAs: "json",
							load: function(data){
								data.key = key;
								return data;
							}
						}).addCallback(this, "_loadDetail");
					}
				},
				_showPage: function(obj){
					var key = obj.target.className.substring(5);

					if(this.contexts.pages[key]){
						this.render(this.templates.page, this.contexts.pages[key]);
					}else{
						dojo.xhrGet({
							url: dojo.moduleUrl("dojox.dtl.demos.json.blog", "get_page_" + key + ".json"),
							handleAs: "json",
							load: function(data){
								data.key = key;
								return data;
							}
						}).addCallback(this, "_loadPage");
					}
				},
				_loadList: function(data){
					this.contexts.list = new dojox.dtl.Context(data).extend({
						title: "Blog Posts",
						base: {
							url: dojo.moduleUrl("dojox.dtl.demos.templates", "blog_base.html"),
							shared: true
						}
					});
					this.render(this.templates.list, this.contexts.list);
				},
				_loadDetail: function(data){
					var context = {
						title: "Blog Post",
						blog: data
					}
					context.blog.date = new Date(context.blog.date);
					context.blog.title = this.contexts.list.get("blog_list", {})[data.key].title;
					this.contexts.blogs[data.key] = new dojox.dtl.Context(context).extend({
						base: {
							url: dojo.moduleUrl("dojox.dtl.demos.templates", "blog_base.html"),
							shared: true
						}
					});
					this.render(this.templates.detail, this.contexts.blogs[data.key]);
				},
				_loadPage: function(data){
					this.contexts.pages[data.key] = new dojox.dtl.Context(data).extend({
						base: {
							url: dojo.moduleUrl("dojox.dtl.demos.templates", "blog_base.html"),
							shared: true
						}
					});
					this.render(this.templates.page, this.contexts.pages[data.key]);
				}
			});

			dojo.require("dojo.parser");
		</script>
	</head>
	<body>
		<div dojoType="dojox.dtl.AttachPoint">
			<div dojoType="demo.Blog" />
		</div>
	</body>
</html>