http://dojotoolkit.org/documentation/tutorials/1.8/recipes/custom_widget/
目录结构:
最终效果:
关键代码:
index.htm
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <Meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> <script type="text/javascript" src="js/dojo/dojo.js"> </script> <link href="js/custom/AuthorWidget/css/AuthorWidget.css" rel="stylesheet"/> <script type="text/javascript"> require(["dojo/request","dojo/dom","dojo/_base/array","custom/AuthorWidget","dojo/domReady!"],function(request,dom,arrayUtil,AuthorWidget){ // Load up our authors var def = request("authors.json",{ handleAs: "json" }); // Once ready,process the authors def.then(function(authors){ // Get a reference to our container var authorContainer = dom.byId("authorContainer"); arrayUtil.forEach(authors,function(author){ // Create our widget and place it var widget = new AuthorWidget(author).placeAt(authorContainer); }); }); }); </script> </head> <body> <div id="authorContainer"></div> </body> </html>
AuthorWidget.html
<div> <h3 data-dojo-attach-point="nameNode">${name}</h3> <img class="${baseClass}Avatar" src="" data-dojo-attach-point="avatarNode"> <p data-dojo-attach-point="bioNode">${!bio}</p> </div>
AuthorWidget.js
//custom/AuthorWidget.js define(["dojo/_base/declare","dijit/_WidgetBase","dijit/_TemplatedMixin","dojo/text!./AuthorWidget/templates/AuthorWidget.html","dojo/dom-style","dojo/_base/fx","dojo/_base/lang","dojo/on"],function(declare,WidgetBase,TemplatedMixin,template,domStyle,baseFx,lang,on){ return declare([WidgetBase,TemplatedMixin],{ name: "No Name",avatar: require.toUrl("custom/AuthorWidget/images/defaultAvatar.gif"),bio: "",templateString: template,baseClass: "authorWidget",mouseAnim: null,baseBackgroundColor: "#fff",mouseBackgroundColor: "#def",postCreate: function(){ // Get a DOM node reference for the root of our widget try{ var domNode = this.domNode; // Run any parent postCreate processes - can be done at any point this.inherited(arguments); domStyle.set(domNode,"backgroundColor",this.baseBackgroundColor); //way #1 var that = this; on(domNode,"mouseenter",function (e) { //console.log(this===domNode); //true //console.log(that); //widget that._changeBackground(that.mouseBackgroundColor); }); //way#2 on(domNode,"mouseleave",lang.hitch(this,function (e) { //console.log(this===domNode); //false this._changeBackground(this.baseBackgroundColor); })); }catch(e){ console.log("error:",e); } },_changeBackground: function(toCol) { // If we have an animation,stop it if (this.mouseAnim) { this.mouseAnim.stop(); } // Set up the new animation this.mouseAnim = baseFx.animateProperty({ node: this.domNode,properties: { backgroundColor: toCol },onEnd: lang.hitch(this,function() { // Clean up our mouseAnim property this.mouseAnim = null; }) }).play(); },_setAvatarAttr: function(av){ if(av != ""){ this._set("avatar",av); this.avatarNode.src = av; } } }); } );
authors.json
[ { "name": "Kitten","avatar": "includes/authors/kitten.jpg","bio": "Brian Arnold is a software engineer at SitePen,Inc.,..." },{ "name": "Cyper","avatar": "includes/authors/cyper.jpg","bio": "Cyper is a software engineer at SitePen,{ "name": "sb","avatar": "includes/authors/sb.gif","bio": "sb is b,..." } ]