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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=1024" />
<title>Backbone introduction</title>
<!--<link href="http://fonts.googleapis.com/css?family=Open+Sans:regular,semibold,italic,italicsemibold|PT+Sans:400,700,400italic,700italic|PT+Serif:400,700,400italic,700italic" rel="stylesheet" />-->
<link href="css/backbone-pres.css" rel="stylesheet" />
<link rel="shortcut icon" href="favicon.png" />
<link href="css/shCore.css" rel="stylesheet" />
<link href="css/shCoreDefault.css" rel="stylesheet" />
<link href="css/shThemeDefault.css" rel="stylesheet" />
<script type="text/template" id="item-template">
<div class="view">
<input class="toggle" type="checkbox" <%= done ? 'checked="checked"' : '' %> />
<label><%= title %></label>
<a class="destroy">remove</a>
</div>
<input class="edit" type="text" value="<%= title %>" />
</script>
</head>
<body class="impress-not-supported">
<div class="fallback-message">
<p>Your browser <b>doesn't support the features required</b> by impress.js, so you are presented with a simplified version of this presentation.</p>
<p>For the best experience please use the latest <b>Chrome</b>, <b>Safari</b> or <b>Firefox</b> browser.</p>
</div>
<div id="impress">
<div id="overview" class="step slide invisible" data-x="5000" data-y="4000" data-scale="13">
</div>
<div id="landing" class="step slide" data-x="0" data-y="0">
<h1>Introduction to <a href="http://documentcloud.github.com/backbone/"><img src="backbone.png" alt="Backbone" /></a></h1>
</div>
<div id="sopragroup" class="step slide" data-x="1000" data-y="0">
<header>introduction</header>
<h1><img src="sopragroup.png" alt="Sopra Group" /></h1>
</div>
<div id="introduction-problem" class="step slide" data-x="2000" data-y="0">
<header>introduction</header>
<h2>The problem</h2>
<pre class="brush: html">
<div id="user123">
My name is
<span class="name">Foo</span>.
See my
<a
href="/user/123"
onclick="loadUserProfile(123);">
full profile
</a>.
</div>
</pre>
</div>
<div id="introduction-solution" class="step slide" data-x="3000" data-y="0">
<header>introduction</header>
<h2>One solution</h2>
<ul>
<li>Model:
<pre class="brush: js">
var user = { name: "foo", age: 54 }
</pre>
</li>
<li>View:
<pre class="brush: html">
<span>#{user.name}</span>
</pre>
</li>
<li>Controller:
<pre class="brush: js">
router.routes = { "user/:id": "user" }
router.on("route:user", function(id) {
// Display user
});
</pre>
</li>
</ul>
</div>
<div id="grounds-underscore" class="step slide" data-x="0" data-y="1000">
<header>dependencies</header>
<h2>JS plumbing: <a href="http://documentcloud.github.com/underscore/">Underscore</a></h2>
<pre class="brush: js">
// Collections and arrays
_.map({one: 1, two: 2}, function(num, key){
return num * 3;
});
_.union([1, 2, 3], [101, 2, 1, 10]);
// Functions
var f = _.memoize(function(n) {
return n < 2 ? n : f(n - 1) + f(n - 2);
});
// Objects
_.keys({one : 1, two : 2, three : 3});
</pre>
</div>
<div id="grounds-jquery" class="step slide" data-x="1000" data-y="1000">
<header>dependencies</header>
<h2>DOM plumbing: <a href="http://jquery.com/">jQuery</a> (or <a href="http://zeptojs.com/">Zepto</a>)</h2>
<pre class="brush: js">
// Selector
var t = $("#target")
// CSS
t.addClass("myClass yourClass");
// Events
t.click(function() { alert("Click!"); });
// AJAX
$.get('ajax/test.html', function(data) {
t.html(data);
});
</pre>
</div>
<div id="concepts-model-def" class="step slide" data-x="0" data-y="2000">
<header>concepts</header>
<h2>Model - definition</h2>
<pre class="brush: js; highlight: [1]" id="UserDefinition">
var User = Backbone.Model.extend({
// No definition of properties
// Default values
defaults: { age: 12 },
// Custom methods
addChild: function(u) {
alert(JSON.stringify(u.toJSON()));
}
});
</pre>
</div>
<div id="concepts-model-use" class="step slide" data-x="1000" data-y="2000">
<header>concepts</header>
<h2>Model - usage</h2>
<pre class="runnable brush: js; highlight: [5,8,14]" data-imports="UserDefinition">
// Create
var u = new User({ id: 123, name: 'Foo' });
// Read
alert(u.id);
alert(u.get('name'));
alert(u.has('name'));
// Write
u.set('name', 'Bar');
u.set({ name: 'Baz', age: 45 });
// Clean
u.unset('name');
u.clear();
// Methods
u.addChild(new User({ name: 'Bar' }));
</pre>
</div>
<div id="concepts-model-validation" class="step slide" data-x="2000" data-y="2000">
<header>concepts</header>
<h2>Model - validation</h2>
<pre class="runnable brush: js; highlight: [2,3,4,9,13]">
var User = Backbone.Model.extend({
validate: function(attrs) {
if (attrs.age < 0) {
return "Incorrect age"; }
}
});
var u = new User();
// General
u.on("error", function(m, e) { alert(e) });
u.set({ age: -123 });
// One shot
u.set({ age: -123 }, {
error: function(m, e) {
alert(e.toUpperCase()); }
});
</pre>
</div>
<div id="concepts-collection" class="step slide" data-x="3000" data-y="2000">
<header>concepts</header>
<h2>Collection - definition</h2>
<pre class="brush: js; highlight: [2]">
var UserList = Backbone.Collection.extend({
model: User
});
var users = new UserList([/* ... */]);
users.add(new User({ id: 123 });
var = users.create({ id: 456 });
users.get(456) == users.at(1);
users.remove(users.at(0));
// Underscore methods
var f = users.filter(function(user) {
return user.get('age') > 50;
});
</pre>
</div>
<div id="concepts-collection-ordered" class="step slide" data-x="4000" data-y="2000">
<header>concepts</header>
<h2>Collection - ordered</h2>
<pre class="brush: js; highlight: [4,5,6]">
var Players = Backbone.Collection.extend({
model: Player,
// Can also be a two-args comparator
comparator: function(player) {
return (- player.get('score'));
}
});
// Insert at correct place
players.add(new Player({ score: 5 }));
// Manually re-sort if model changes
players.at(0).set('score', 6);
players.sort();
</pre>
</div>
<div id="concepts-sync-model" class="step slide" data-x="5000" data-y="2000">
<header>concepts</header>
<h2>Sync - model</h2>
<pre class="runnable brush: js">
var User = Backbone.Model.extend({
urlRoot: '/api/users'
});
var u = new User({ name: 'Foo' });
u.save();// POST (new)
u = new User({ id: 123 });
u.fetch();// GET
u.save();// PUT (exists)
u.destroy(); // DELETE
</pre>
</div>
<div id="concepts-sync-collection" class="step slide" data-x="6000" data-y="2000">
<header>concepts</header>
<h2>Sync - collection</h2>
<pre class="runnable brush: js">
var Users = Backbone.Collection.extend({
// Can be a method!
url: '/api/user'
});
var u = new Users();
u.fetch();// GET all models in a JSON array
// Collection is used to build urls
u.add({ id: 678 })
alert(u.at(0).url());
</pre>
</div>
<div id="concepts-event" class="step slide" data-x="7000" data-y="2000">
<header>concepts</header>
<h2>Event</h2>
<pre class="brush: js">
user.on('change:score', /* ... */);
user.on('change', this.sort, this);
// Do not forget to cleanup!
user.off('change:score');
user.off(null, this.sort);
user.off(null, null, this);
user.trigger('custom', 'bar', 123);
// No events!
user.set({ name: 'Foo'}, { silent: true });
</pre>
</div>
<div id="concepts-view-render" class="step slide" data-x="8000" data-y="2000">
<header>concepts</header>
<h2>View</h2>
<pre class="brush: js">
var UserView = Backbone.View.extend({
tagName: 'li',
events: { 'click .edit': 'openEdit' },
render: function() {
this.$el.text(this.model.get('name'));
return this;
}
});
var v = new UserView({
model: new User()
});
$('#users').append(v.render().$el);
v.remove();
</pre>
</div>
<div id="concepts-view-events" class="step slide" data-x="9000" data-y="2000">
<header>concepts</header>
<h2>View - listen to your model</h2>
<pre class="runnable brush: js; highlight: [3,4]" data-imports="UserDefinition">
var UserView = Backbone.View.extend({
initialize: function() {
this.model.on('change',
this.onChange, this);
},
onChange: function() {
alert('want to render UI again?');
}
});
var v = new UserView({
model: new User()
});
v.model.set('name', 'Foo');
</pre>
</div>
<div id="concepts-router" class="step slide" data-x="10000" data-y="2000">
<header>concepts</header>
<h2>Router</h2>
<pre class="brush: js; highlight: [2, 11, 14]">
var Workspace = Backbone.Router.extend({
routes: {
'help/:topic': 'help',
'search/*tokens': 'search'
},
help: function(topic) { /* ... */ },
search: function(tokens) { /* ... */ }
});
var w = new Workspace();
w.navigate('help/foo', { trigger: true });
Backbone.history.start({
pushState: true
});
</pre>
</div>
<div id="realuse-collectioninmodel" class="step slide" data-x="0" data-y="3000">
<header>in practice</header>
<h2><a href="http://backbonejs.org/#FAQ-nested">Collection as Model property</a></h2>
<pre class="brush: js">
var Mailbox = Backbone.Model.extend({
initialize: function() {
this.messages = new Messages;
this.messages.url = '/mailbox/'
+ this.id + '/messages';
this.messages.on("reset",
this.updateCounts);
},
/* ... */
});
var Inbox = new Mailbox;
Inbox.messages.fetch();
</pre>
<ul>
<li>Set and get does not work well (events)</li>
<li>Too simplistic? => plugins!</li>
</ul>
</div>
<div id="realuse-requirejs" class="step slide" data-x="1000" data-y="3000">
<header>in practice</header>
<h2><a href="https://github.com/jrburke/requirejs/wiki/Upgrading-to-RequireJS-2.0#wiki-shim">RequireJS 2.0</a></h2>
<pre class="brush: js highlight: [2]">
requirejs.config({
shim: {
'backbone': {
// Load those before Backbone
deps: ['underscore', 'jquery'],
// Use the global value
exports: 'Backbone'
},
}
});
</pre>
</div>
<div id="limitations-verbose" class="step slide" data-x="2000" data-y="3000">
<header>in practice</header>
<h2>Limitations</h2>
<ul>
<li>Verbose!</li>
<li>Microframework: more to do, but you're running free</li>
<li>Properties are listed by String so hard to refactor</li>
</ul>
</div>
<div id="limitations-onecollection" class="step slide" data-x="3000" data-y="3000">
<header>in practice</header>
<h2>Collection/Model relation</h2>
<pre class="runnable brush: js; highlight: [4,6,10,12]">
var m = new Backbone.Model({ id: 123 });
var Some = Backbone.Collection.extend({
url: '/some'
});
var s = new Some([m]);
alert(s.at(0).url());
var Others = Backbone.Collection.extend({
url: '/others'
});
var o = new Others([m]);
alert(o.at(0).url());
</pre>
</div>
<div id="sampleapp-model" class="step slide" data-x="0" data-y="4000">
<header>sample application</header>
<h2><a href="http://backbonejs.org/#examples-todos">Todo model</a></h2>
<pre id="TodoModel" class="brush: js">
var Todo = Backbone.Model.extend({
defaults: function() {
return {
title: "empty todo...",
order: Todos.nextOrder(),
done: false
};
},
toggle: function() {
this.save({done: !this.get("done")});
},
clear: function() {
this.destroy();
},
sync: LocalStorageSync
});
</pre>
</div>
<div id="sampleapp-list" class="step slide" data-x="1000" data-y="4000">
<header>sample application</header>
<h2><a href="http://backbonejs.org/#examples-todos">Todo collection</a></h2>
<pre id="TodoList" data-imports="TodoModel" class="brush: js">
var TodoList = Backbone.Collection.extend({
model: Todo,
nextOrder: function() {
if (!this.length) return 1;
return this.last().get('order') + 1;
},
comparator: function(todo) {
return todo.get('order');
},
localStorage: new Store("todos"),
sync: LocalStorageSync
});
var Todos = new TodoList;
</pre>
</div>
<div id="sampleapp-view" class="step slide" data-x="2000" data-y="4000">
<header>sample application</header>
<h2><a href="http://backbonejs.org/#examples-todos">Todo item view</a></h2>
<div class="small">
<pre id="TodoView" data-imports="TodoList" class="brush: js">
var TodoView = Backbone.View.extend({
tagName: "li",
template: _.template($('#item-template').html()),
events: {
"click .toggle" : "toggleDone",
"click a.destroy" : "clear",
},
initialize: function() {
this.model.bind('change', this.render, this);
this.model.bind('destroy', this.remove, this);
},
render: function() {
this.$el.html(this.template(this.model.toJSON()));
this.$el.toggleClass('done', this.model.get('done'));
return this;
},
toggleDone: function() { this.model.toggle(); },
clear: function() { this.model.clear(); }
});
</pre>
</div>
</div>
<div id="sampleapp-template" class="step slide" data-x="3000" data-y="4000">
<header>sample application</header>
<h2><a href="http://backbonejs.org/#examples-todos">Todo item view template</a></h2>
<pre id="TodoTemplate" class="brush: html">
<script type="text/template"
id="item-template">
<div class="view">
<input
class="toggle"
type="checkbox"
<%= done?'checked="checked"':'' %>
/>
<label><%= title %></label>
<a class="destroy"></a>
</div>
<input
class="edit"
type="text"
value="<%= title %>"
/>
</script>
</pre>
</div>
<div id="sampleapp-app" class="step slide" data-x="4000" data-y="4000">
<header>sample application</header>
<h2><a href="http://backbonejs.org/#examples-todos">Todo Application</a></h2>
<div class="small">
<pre id="TodoApp" data-imports="TodoView" class="brush: js">
var AppView = Backbone.View.extend({
events: {
"keypress #new-todo": "createOnEnter",
"click #clearall": "clearAll",
},
initialize: function() {
this.input = this.$("#new-todo");
Todos.bind('add', this.addOne, this);
Todos.bind('reset', function() { Todos.each(this.addOne); }, this);
Todos.fetch();
},
addOne: function(todo) {
var view = new TodoView({model: todo});
this.$("#todo-list").append(view.render().el);
},
createOnEnter: function(e) {
if (e.keyCode != 13 || !this.input.val()) return;
Todos.create({title: this.input.val()});
this.input.val('');
},
clearAll: function() {
_.each(Todos.filter(function() { return true; }),
function(todo){ todo.clear(); });
return false;
},
});
</pre>
</div>
</div>
<div id="sampleapp-running" class="step slide" data-x="5000" data-y="4000">
<header>sample application</header>
<h2><a href="http://backbonejs.org/#examples-todos">Todo Running</a></h2>
<pre id="TodoRunning" data-imports="TodoApp" class="runnable brush: js">
var App = new AppView({el: $("#todoapp")});
</pre>
<div id="todoapp">
<input id="new-todo" type="text" placeholder="What needs to be done?">
<ul id="todo-list"></ul>
<a id="clearall">Clear!</a>
</div>
</div>
<div id="competitors-spine" class="step slide" data-x="0" data-y="5000">
<header>competitors</header>
<h2><a href="http://spinejs.com/docs/classes">Spine</a></h2>
<pre class="brush: js">
var Contact = Spine.Model.sub();
Contact.configure("Contact",
"name", "email");
Contact.extend( Spine.Model.Ajax );
var contact = new Contact({
name: "Sven Svensson",
email: "sven@example.com"
});
contact.name = "John Johnson";
contact.save();
</pre>
<a href="http://hjortureh.tumblr.com/post/22117245794/spine-js-vs-backbone-js">Source</a>
</div>
<div id="competitors-knockout" class="step slide" data-x="1000" data-y="5000">
<header>competitors</header>
<h2><a href="http://knockoutjs.com/">Knockout</a></h2>
<pre class="brush: js">
function AppViewModel() {
this.name = ko.observable("Name");
this.capitalize = function() {
this.name(this.name().toUpperCase());
};
this.save = function() {
/* server sync is manual */
}
}
ko.applyBindings(new AppViewModel());
</pre>
<pre class="brush: html">
<input data-bind="value: name" />
<p data-bind="text: name">name</p>
<button data-bind="click: capitalize">
Capitalize
</button>
</pre>
</div>
<div id="competitors-mojito" class="step slide" data-x="2000" data-y="5000">
<header>competitors</header>
<h2><a href="http://developer.yahoo.com/cocktails/mojito/">Mojito</a></h2>
<ul>
<li>Also handles server side (Node.js)</li>
<li>Command line tool (à-la Rails, Zend, ...)</li>
<li>Heavier but maybe more production ready</li>
</ul>
</div>
<div id="ecosystem-developers" class="step slide" data-x="0" data-y="6000">
<header>ecosystem</header>
<h2><a href="https://en.wikipedia.org/wiki/DocumentCloud">Developers</a></h2>
<ul>
<li>DocumentCloud: searching, analyzing, annotation and publication of primary source documents</li>
<li>Young (2009)</li>
<li>Ruby On Rails enjoyers</li>
<li>Backbone is their main javascript contribution</li>
</ul>
<img alt="DocumentCloud homepage" src="documentcloud.png" />
</div>
<div id="ecosystem-extensions" class="step slide" data-x="1000" data-y="6000">
<header>ecosystem</header>
<h2>Extensions</h2>
<ul>
<li>Create forms? <a href="https://github.com/powmedia/backbone-forms">go</a></li>
<li>Save and restore states? <a href="https://github.com/derickbailey/backbone.memento">go</a></li>
<li>Enforce a workflow? <a href="https://github.com/kendagriff/workflow.js">go</a></li>
<li>Work offline and sync later? <a href="https://github.com/Ask11/backbone.offline">go</a></li>
<li>Want a more explicit relational model? <a href="https://github.com/PaulUithol/Backbone-relational">go</a></li>
<li>Find more on <a href="https://github.com/documentcloud/backbone/wiki/Extensions%2C-Plugins%2C-Resources">the wiki</a></li>
</ul>
</div>
<div id="ecosystem-usage" class="step slide" data-x="2000" data-y="6000">
<header>ecosystem</header>
<h2>Usage</h2>
<ul>
<li><a href="http://www.documentcloud.org/public/#search/">DocumentCloud</a> (creator of Backbone)</li>
<li><a href="http://engineering.foursquare.com/2011/12/08/web-sites-are-clients-too/">Foursquare</a></li>
<li><a href="http://www.walmart.com/">Walmart</a> (for the mobile app - only official evidence I found is their contributions)</li>
<li><a href="http://devblog.joindiaspora.com/2012/01/10/client-side-re-write-oh-my/">Diaspora</a> (open source decentralized social network)</li>
<li>And many more, see <a href="http://documentcloud.github.com/backbone/#examples">official site</a> and <a href="https://github.com/documentcloud/backbone/wiki/Projects-and-Companies-using-Backbone">wiki</a></li>
</ul>
</div>
<div id="about" class="step slide" data-x="0" data-y="7000">
<h2>About</h2>
<ul>
<li><a href="https://twitter.com/mathbruyen/">Written by Mathieu Bruyen</a></li>
<li>slideshow using <a href="http://bartaz.github.com/impress.js">impress.js</a></li>
<li>syntax highligthing via <a href="http://alexgorbatchev.com/SyntaxHighlighter">SyntaxHighlighter</a></li>
<li>Underscore code examples from Underscore's homepage</li>
<li>jQuery code examples from jQuery's documentation</li>
</ul>
</div>
</div>
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