1. Nikita Vasilyev
  2. soundcloud-playlist-maker

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Nikita Vasilyev  committed f981a57

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Files changed (31)

File README.md

View file
+# Soundcloud Playlist App
+
+## Story
+✓ Create playlists of any tracks on SoundCloud
+✓ Store, edit and delete the playlists
+✓ Play all the tracks in the playlist with one click or tap
+✓ A user should be able to give a playlist a title and description
+
+## Bonuses
+□ Bonus points if a user can easily undo the last 100 actions. (some work started)
+□ Bonus points if it works on latest Opera(✓)/Opera Mobile(□).
+□ Bonus points for a bookmarklet that helps you add the tracks to the playlist from SoundCloud pages.
+
+## TODO
+□ Add tracks by their name/artist. Implement suggestion box for `playlists__add-track-input`.
+□ Human friendly URLs
+□ Decent music player. Progress bar is a must.
+

File callback.html

View file
+<!DOCTYPE html>
+<html>
+<head><meta charset="utf-8">
+  <title>Connect with SoundCloud</title>
+</head>
+<body onload="window.opener.setTimeout(window.opener.SC.connectCallback, 1)"></body>
+</html>

File css/app.css

View file
+body {
+  margin: 0;
+  color: #222;
+  background: #F5F7FA;
+  font: 14px/1.4 "Lucida Grande","Lucida Sans Unicode","Lucida Sans",Garuda,Verdana,Tahoma,sans-serif;
+}
+
+textarea {
+  font: inherit;
+  box-sizing: border-box;
+}
+
+input,
+button {
+  font-size: 13px;
+  box-sizing: border-box;
+}
+
+.icon:hover,
+.icon:focus {
+  color: #a90000;
+}
+
+#list {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 25%;
+  bottom: 0;
+  background: rgb(234, 240, 248);
+  border-right: 1px solid #d0d5db;
+}
+#content {
+  position: absolute;
+  width: 72%;
+  left: 25%;
+  padding: 25px 1% 0 2%;
+  top: 0;
+  bottom: 0;
+}
+
+a {
+  color: #06C;
+  text-decoration: none;
+}

File css/editable.css

View file
+.editable {
+  background: transparent;
+  -webkit-user-modify: read-write-plaintext-only;
+}
+
+.editable:hover,
+.editable:focus {
+  background: #fff;
+  border-color: #AAA;
+}

File css/font-awesome.css

View file
+/*  Font Awesome
+    the iconic font designed for use with Twitter Bootstrap
+    -------------------------------------------------------
+    The full suite of pictographic icons, examples, and documentation
+    can be found at: http://fortawesome.github.com/Font-Awesome/
+
+    License
+    -------------------------------------------------------
+    The Font Awesome webfont, CSS, and LESS files are licensed under CC BY 3.0:
+    http://creativecommons.org/licenses/by/3.0/ A mention of
+    'Font Awesome - http://fortawesome.github.com/Font-Awesome' in human-readable
+    source code is considered acceptable attribution (most common on the web).
+    If human readable source code is not available to the end user, a mention in
+    an 'About' or 'Credits' screen is considered acceptable (most common in desktop
+    or mobile software).
+
+    Contact
+    -------------------------------------------------------
+    Email: dave@davegandy.com
+    Twitter: http://twitter.com/fortaweso_me
+    Work: http://lemonwi.se co-founder
+
+    */
+@font-face {
+  font-family: 'FontAwesome';
+  src: url('../font/fontawesome-webfont.eot');
+  src: url('../font/fontawesome-webfont.eot?#iefix') format('eot'), url('../font/fontawesome-webfont.woff') format('woff'), url('../font/fontawesome-webfont.ttf') format('truetype'), url('../font/fontawesome-webfont.otf') format('opentype'), url('../font/fontawesome-webfont.svg#FontAwesome') format('svg');
+  font-weight: normal;
+  font-style: normal;
+}
+/* sprites.less reset */
+.icon {
+  display: inline;
+  width: auto;
+  height: auto;
+  line-height: inherit;
+  vertical-align: baseline;
+  background-image: none;
+  background-position: 0% 0%;
+  background-repeat: repeat;
+}
+.icon {
+  display: block;
+}
+/*  Font Awesome styles
+    ------------------------------------------------------- */
+.icon:before, .icon:before {
+  font-family: FontAwesome;
+  font-weight: normal;
+  font-style: normal;
+  display: inline-block;
+  text-decoration: inherit;
+}
+a .icon, a .icon {
+  display: inline-block;
+  text-decoration: inherit;
+}
+/* makes the font 33% larger relative to the icon container */
+.icon-large:before {
+  vertical-align: top;
+  font-size: 1.3333333333333333em;
+}
+.btn .icon, .btn .icon {
+  /* keeps button heights with and without icons the same */
+
+  line-height: .9em;
+}
+li .icon, li .icon {
+  display: inline-block;
+  width: 1.25em;
+  text-align: center;
+}
+li .icon-large {
+  /* 1.5 increased font size for icon-large * 1.25 width */
+  width: 1.875em;
+}
+li.icon {
+  margin-left: 0;
+  list-style-type: none;
+}
+li.icon:before {
+  text-indent: -2em;
+  text-align: center;
+}
+li.icon-large:before, li.icon-large:before {
+  text-indent: -1.3333333333333333em;
+}
+/*  Font Awesome uses the Unicode Private Use Area (PUA) to ensure screen
+    readers do not read off random characters that represent icons */
+.icon-glass:before                { content: "\f000"; }
+.icon-music:before                { content: "\f001"; }
+.icon-search:before               { content: "\f002"; }
+.icon-envelope:before             { content: "\f003"; }
+.icon-heart:before                { content: "\f004"; }
+.icon-star:before                 { content: "\f005"; }
+.icon-star-empty:before           { content: "\f006"; }
+.icon-user:before                 { content: "\f007"; }
+.icon-film:before                 { content: "\f008"; }
+.icon-th-large:before             { content: "\f009"; }
+.icon-th:before                   { content: "\f00a"; }
+.icon-th-list:before              { content: "\f00b"; }
+.icon-ok:before                   { content: "\f00c"; }
+.icon-remove:before               { content: "\f00d"; }
+.icon-zoom-in:before              { content: "\f00e"; }
+
+.icon-zoom-out:before             { content: "\f010"; }
+.icon-off:before                  { content: "\f011"; }
+.icon-signal:before               { content: "\f012"; }
+.icon-cog:before                  { content: "\f013"; }
+.icon-trash:before                { content: "\f014"; }
+.icon-home:before                 { content: "\f015"; }
+.icon-file:before                 { content: "\f016"; }
+.icon-time:before                 { content: "\f017"; }
+.icon-road:before                 { content: "\f018"; }
+.icon-download-alt:before         { content: "\f019"; }
+.icon-download:before             { content: "\f01a"; }
+.icon-upload:before               { content: "\f01b"; }
+.icon-inbox:before                { content: "\f01c"; }
+.icon-play-circle:before          { content: "\f01d"; }
+.icon-repeat:before               { content: "\f01e"; }
+
+/* \f020 is not a valid unicode character. all shifted one down */
+.icon-refresh:before              { content: "\f021"; }
+.icon-list-alt:before             { content: "\f022"; }
+.icon-lock:before                 { content: "\f023"; }
+.icon-flag:before                 { content: "\f024"; }
+.icon-headphones:before           { content: "\f025"; }
+.icon-volume-off:before           { content: "\f026"; }
+.icon-volume-down:before          { content: "\f027"; }
+.icon-volume-up:before            { content: "\f028"; }
+.icon-qrcode:before               { content: "\f029"; }
+.icon-barcode:before              { content: "\f02a"; }
+.icon-tag:before                  { content: "\f02b"; }
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+.icon-book:before                 { content: "\f02d"; }
+.icon-bookmark:before             { content: "\f02e"; }
+.icon-print:before                { content: "\f02f"; }
+
+.icon-camera:before               { content: "\f030"; }
+.icon-font:before                 { content: "\f031"; }
+.icon-bold:before                 { content: "\f032"; }
+.icon-italic:before               { content: "\f033"; }
+.icon-text-height:before          { content: "\f034"; }
+.icon-text-width:before           { content: "\f035"; }
+.icon-align-left:before           { content: "\f036"; }
+.icon-align-center:before         { content: "\f037"; }
+.icon-align-right:before          { content: "\f038"; }
+.icon-align-justify:before        { content: "\f039"; }
+.icon-list:before                 { content: "\f03a"; }
+.icon-indent-left:before          { content: "\f03b"; }
+.icon-indent-right:before         { content: "\f03c"; }
+.icon-facetime-video:before       { content: "\f03d"; }
+.icon-picture:before              { content: "\f03e"; }
+
+.icon-pencil:before               { content: "\f040"; }
+.icon-map-marker:before           { content: "\f041"; }
+.icon-adjust:before               { content: "\f042"; }
+.icon-tint:before                 { content: "\f043"; }
+.icon-edit:before                 { content: "\f044"; }
+.icon-share:before                { content: "\f045"; }
+.icon-check:before                { content: "\f046"; }
+.icon-move:before                 { content: "\f047"; }
+.icon-step-backward:before        { content: "\f048"; }
+.icon-fast-backward:before        { content: "\f049"; }
+.icon-backward:before             { content: "\f04a"; }
+.icon-play:before                 { content: "\f04b"; }
+.icon-pause:before                { content: "\f04c"; }
+.icon-stop:before                 { content: "\f04d"; }
+.icon-forward:before              { content: "\f04e"; }
+
+.icon-fast-forward:before         { content: "\f050"; }
+.icon-step-forward:before         { content: "\f051"; }
+.icon-eject:before                { content: "\f052"; }
+.icon-chevron-left:before         { content: "\f053"; }
+.icon-chevron-right:before        { content: "\f054"; }
+.icon-plus-sign:before            { content: "\f055"; }
+.icon-minus-sign:before           { content: "\f056"; }
+.icon-remove-sign:before          { content: "\f057"; }
+.icon-ok-sign:before              { content: "\f058"; }
+.icon-question-sign:before        { content: "\f059"; }
+.icon-info-sign:before            { content: "\f05a"; }
+.icon-screenshot:before           { content: "\f05b"; }
+.icon-remove-circle:before        { content: "\f05c"; }
+.icon-ok-circle:before            { content: "\f05d"; }
+.icon-ban-circle:before           { content: "\f05e"; }
+
+.icon-arrow-left:before           { content: "\f060"; }
+.icon-arrow-right:before          { content: "\f061"; }
+.icon-arrow-up:before             { content: "\f062"; }
+.icon-arrow-down:before           { content: "\f063"; }
+.icon-share-alt:before            { content: "\f064"; }
+.icon-resize-full:before          { content: "\f065"; }
+.icon-resize-small:before         { content: "\f066"; }
+.icon-plus:before                 { content: "\f067"; }
+.icon-minus:before                { content: "\f068"; }
+.icon-asterisk:before             { content: "\f069"; }
+.icon-exclamation-sign:before     { content: "\f06a"; }
+.icon-gift:before                 { content: "\f06b"; }
+.icon-leaf:before                 { content: "\f06c"; }
+.icon-fire:before                 { content: "\f06d"; }
+.icon-eye-open:before             { content: "\f06e"; }
+
+.icon-eye-close:before            { content: "\f070"; }
+.icon-warning-sign:before         { content: "\f071"; }
+.icon-plane:before                { content: "\f072"; }
+.icon-calendar:before             { content: "\f073"; }
+.icon-random:before               { content: "\f074"; }
+.icon-comment:before              { content: "\f075"; }
+.icon-magnet:before               { content: "\f076"; }
+.icon-chevron-up:before           { content: "\f077"; }
+.icon-chevron-down:before         { content: "\f078"; }
+.icon-retweet:before              { content: "\f079"; }
+.icon-shopping-cart:before        { content: "\f07a"; }
+.icon-folder-close:before         { content: "\f07b"; }
+.icon-folder-open:before          { content: "\f07c"; }
+.icon-resize-vertical:before      { content: "\f07d"; }
+.icon-resize-horizontal:before    { content: "\f07e"; }
+
+.icon-bar-chart:before            { content: "\f080"; }
+.icon-twitter-sign:before         { content: "\f081"; }
+.icon-facebook-sign:before        { content: "\f082"; }
+.icon-camera-retro:before         { content: "\f083"; }
+.icon-key:before                  { content: "\f084"; }
+.icon-cogs:before                 { content: "\f085"; }
+.icon-comments:before             { content: "\f086"; }
+.icon-thumbs-up:before            { content: "\f087"; }
+.icon-thumbs-down:before          { content: "\f088"; }
+.icon-star-half:before            { content: "\f089"; }
+.icon-heart-empty:before          { content: "\f08a"; }
+.icon-signout:before              { content: "\f08b"; }
+.icon-linkedin-sign:before        { content: "\f08c"; }
+.icon-pushpin:before              { content: "\f08d"; }
+.icon-external-link:before        { content: "\f08e"; }
+
+.icon-signin:before               { content: "\f090"; }
+.icon-trophy:before               { content: "\f091"; }
+.icon-github-sign:before          { content: "\f092"; }
+.icon-upload-alt:before           { content: "\f093"; }
+.icon-lemon:before                { content: "\f094"; }
+.icon-phone:before                { content: "\f095"; }
+.icon-check-empty:before          { content: "\f096"; }
+.icon-bookmark-empty:before       { content: "\f097"; }
+.icon-phone-sign:before           { content: "\f098"; }
+.icon-twitter:before              { content: "\f099"; }
+.icon-facebook:before             { content: "\f09a"; }
+.icon-github:before               { content: "\f09b"; }
+.icon-unlock:before               { content: "\f09c"; }
+.icon-credit-card:before          { content: "\f09d"; }
+.icon-rss:before                  { content: "\f09e"; }
+
+.icon-hdd:before                  { content: "\f0a0"; }
+.icon-bullhorn:before             { content: "\f0a1"; }
+.icon-bell:before                 { content: "\f0a2"; }
+.icon-certificate:before          { content: "\f0a3"; }
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+.icon-hand-down:before            { content: "\f0a7"; }
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+.icon-globe:before                { content: "\f0ac"; }
+.icon-wrench:before               { content: "\f0ad"; }
+.icon-tasks:before                { content: "\f0ae"; }
+
+.icon-filter:before               { content: "\f0b0"; }
+.icon-briefcase:before            { content: "\f0b1"; }
+.icon-fullscreen:before           { content: "\f0b2"; }
+
+.icon-group:before                { content: "\f0c0"; }
+.icon-link:before                 { content: "\f0c1"; }
+.icon-cloud:before                { content: "\f0c2"; }
+.icon-beaker:before               { content: "\f0c3"; }
+.icon-cut:before                  { content: "\f0c4"; }
+.icon-copy:before                 { content: "\f0c5"; }
+.icon-paper-clip:before           { content: "\f0c6"; }
+.icon-save:before                 { content: "\f0c7"; }
+.icon-sign-blank:before           { content: "\f0c8"; }
+.icon-reorder:before              { content: "\f0c9"; }
+.icon-list-ul:before              { content: "\f0ca"; }
+.icon-list-ol:before              { content: "\f0cb"; }
+.icon-strikethrough:before        { content: "\f0cc"; }
+.icon-underline:before            { content: "\f0cd"; }
+.icon-table:before                { content: "\f0ce"; }
+
+.icon-magic:before                { content: "\f0d0"; }
+.icon-truck:before                { content: "\f0d1"; }
+.icon-pinterest:before            { content: "\f0d2"; }
+.icon-pinterest-sign:before       { content: "\f0d3"; }
+.icon-google-plus-sign:before     { content: "\f0d4"; }
+.icon-google-plus:before          { content: "\f0d5"; }
+.icon-money:before                { content: "\f0d6"; }
+.icon-caret-down:before           { content: "\f0d7"; }
+.icon-caret-up:before             { content: "\f0d8"; }
+.icon-caret-left:before           { content: "\f0d9"; }
+.icon-caret-right:before          { content: "\f0da"; }
+.icon-columns:before              { content: "\f0db"; }
+.icon-sort:before                 { content: "\f0dc"; }
+.icon-sort-down:before            { content: "\f0dd"; }
+.icon-sort-up:before              { content: "\f0de"; }
+
+.icon-envelope-alt:before         { content: "\f0e0"; }
+.icon-linkedin:before             { content: "\f0e1"; }
+.icon-undo:before                 { content: "\f0e2"; }
+.icon-legal:before                { content: "\f0e3"; }
+.icon-dashboard:before            { content: "\f0e4"; }
+.icon-comment-alt:before          { content: "\f0e5"; }
+.icon-comments-alt:before         { content: "\f0e6"; }
+.icon-bolt:before                 { content: "\f0e7"; }
+.icon-sitemap:before              { content: "\f0e8"; }
+.icon-umbrella:before             { content: "\f0e9"; }
+.icon-paste:before                { content: "\f0ea"; }
+
+.icon-user-md:before              { content: "\f200"; }

File css/header.css

View file
+h1,
+.header__home {
+  font-family: "Interstate","Lucida Grande","Lucida Sans Unicode","Lucida Sans",Garuda,Verdana,sans-serif;
+}
+
+.header {
+  height: 16px;
+  background: #333;
+  font: 100 14px/16px "Interstate","Lucida Grande",Arial,sans-serif;
+  padding: 8px 16px;
+  color: #eee;
+  overflow: hidden;
+  border-bottom: 2px solid rgb(204, 204, 204);
+}
+.header__home {
+  font-size: 16px;
+  font-weight: normal;
+  color: #ff4500;
+  float: left;
+}
+.header__profile {
+  float: right;
+}

File css/list-item.css

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+.list-item {
+  white-space: nowrap;
+  position: relative;
+}
+
+.list-item__link {
+  padding: 2px 0 2px 16px;
+  display: block;
+  margin-right: -1px;
+  border-right: 1px solid transparent;
+}
+
+.list-item
+.list-item_active {}
+.list-item__link:focus,
+.list-item__link:hover {
+  color: black;
+  border-right-color: rgb(137, 164, 201);
+}
+
+.list-item_active .list-item__link {
+  color: #ff956c;
+  background: #555;
+  border-right: 1px solid #000;
+  margin-right: -1px;
+}
+
+.list-item__form {
+  margin: 0;
+}
+
+.list-item__input {
+  width: 98%;
+  box-sizing: border-box;
+}
+
+.list-item__input,
+.list-item_editing .list-item__text {
+  display: none;
+}
+
+.list-item_editing .list-item__input {
+  display: inline-block;
+}
+
+.list-item_editing .list-item__link {
+  cursor: pointer;
+}

File css/playlist.css

View file
+.playlist__meta {
+  width: 100%;
+  font: inherit;
+  background: inherit;
+  border-color: transparent;
+  margin-bottom: 1em;
+}
+.playlist__description {
+  width: 100%;
+  max-width: 520px;
+  vertical-align: top;
+  display: inline-block;
+  white-space: nowrap;
+}
+.playlist__save-meta {
+  visibility: hidden;
+}
+.playlist__description:focus + .playlist__save-meta,
+.playlist__save-meta:focus,
+.playlist__save-meta:hover {
+  visibility: visible;
+}
+
+.playlist__tracks {
+  padding: 0;
+  margin: 1em 0 1em;
+}
+.playlist__track {
+  list-style: none;
+}
+.playlist__track-play-pause,
+.playlist__delete-track {
+  cursor: pointer;
+}
+.playlists__add-track {
+  margin-bottom: 1em;
+}
+.playlists__add-track-input {
+  width: 100%;
+  max-width: 520px;
+}
+
+.playlist__description-placeholder {}

File css/playlists.css

View file
+.playlists {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.playlists__title {
+  padding: 16px 0 8px 16px;
+  margin: 0;
+  font-size: 12px;
+  letter-spacing: .2em;
+  text-transform: uppercase;
+  color: rgb(149, 165, 187);
+  font-weight: normal;
+}
+
+.playlists__add {
+  padding: 6px 6px 2px 16px;
+}
+.playlists__add-input {
+  width: 100%;
+}
+.playlists__add-track {}

File font/fontawesome-webfont.eot

Binary file added.

File font/fontawesome-webfont.svg

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Added
New image

File font/fontawesome-webfont.ttf

Binary file added.

File font/fontawesome-webfont.woff

Binary file added.

File index.html

View file
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Playlists</title>
+  <link rel="stylesheet" href="css/app.css">
+  <link rel="stylesheet" href="css/playlists.css">
+  <link rel="stylesheet" href="css/playlist.css">
+  <link rel="stylesheet" href="css/list-item.css">
+  <link rel="stylesheet" href="css/editable.css">
+  <link rel="stylesheet" href="css/font-awesome.css">
+  <!-- FIXME: include CSS from views -->
+  <script data-main="js/app" src="js/vendor/require.js"></script>
+</head>
+
+<body>
+  <div id="app">
+    <aside id="list" class="pane"></aside>
+    <div id="content" class="pane"></div>
+  </div>
+
+  <script type="text/x-handlebars-template" id="tpl-list">
+    <h2 class="playlists__title">Playlists</h2>
+    {{#if playlists }}
+    <ul id="playlist-list" class="playlists">
+      {{#each playlists}}
+        <li id="link_to_{{ id }}" class="list-item">
+          <a class="list-item__link" href='#{{ id }}'>
+            <span class="list-item__text">{{ title }}</span>
+            <form class="list-item__form" data-playlist-id="{{ id }}"><input class="list-item__input" name="title" value='{{ title }}'></form>
+          </a>
+        </li>
+      {{/each}}
+    </ul>
+    {{/if}}
+    <form class="playlists__add">
+      <input name="title" class="playlists__add-input" type="text" placeholder="New playlist" required>
+    </form>
+  </script>
+
+  <script type="text/x-handlebars-template" id="tpl-playlist">
+    <div class="playlist__meta">
+      <div class="playlist__description editable" contentEditable>{{{description}}}</div>
+      <button class="playlist__save-meta">Save</button>
+    </div>
+
+
+
+    {{# if tracks }}
+    <ul class="playlist__tracks">
+      {{#each tracks}}
+      <li class="playlist__track">
+        <a class="playlist__track-play-pause icon icon-play" id="track_{{ id }}" data-track-id="{{ id }}"></a>
+        <span class="track-title">{{title}}</span>
+        <a class="playlist__delete-track" data-track-id="{{ id }}">
+          <i class="icon icon-trash"></i>
+        </a>
+      </li>
+      {{/each}}
+    </ul>
+    {{/if}}
+    <form class="playlists__add-track">
+      <input name="track" class="playlists__add-track-input" type="text" placeholder="https://soundcloud.com/bas/spartz-thisisnotforeveryone" required>
+      <button>Add</button>
+    </form>
+    <button class="playlists__remove">Remove playlist</button>
+  </script>
+</body>
+</html>

File js/app.js

View file
+requirejs.config({
+  baseUrl: 'js/vendor',
+  paths: {app: '../app'},
+  shim: {
+    'underscore': ['jquery'],
+    'backbone': ['underscore'],
+    'backbone.localStorage': ['backbone'],
+    'handlebars': []
+  }
+});
+
+// Start the main app logic.
+requirejs(['app/Router', 'soundcloud-sdk'], function(Router) {
+  SC.initialize({
+    client_id: '40cb7f3bd24d40b339dea8923162ae20',
+    redirect_uri: location.href.replace(/[?#].*$/, '') + 'callback.html'
+  });
+
+  new Router();
+  Backbone.history.start();
+});

File js/app/ListView.js

View file
+define(['app/actionHistory', 'app/utils', 'backbone', 'handlebars'], function(actionHistory, utils) {
+
+  return Backbone.View.extend({
+
+    tagName: 'div',
+
+    template: Handlebars.compile($('#tpl-list').html()),
+
+    initialize: function() {
+      this.model.on('reset add change:title remove', this.render, this);
+    },
+
+    // Renders the playlist list template using the handlebars template
+    render: function() {
+      this.$el.html(this.template({
+        playlists: this.model.toJSON()
+      }));
+      return this;
+    },
+
+    events: {
+      'click .list-item__link': 'slowDoubleClick',
+      'dblclick .list-item__link': 'edit',
+      'submit .list-item__form': 'saveTitle',
+      'submit .playlists__add': 'addPlaylist'
+    },
+
+    _lastClickElement: null,
+
+    slowDoubleClick: function(event) {
+      var target = event.target;
+      if (target == this._lastClickElement) {
+        this.edit(event);
+      }
+      this._lastClickElement = target;
+    },
+
+    prevId: '',
+
+    show: function(id) {
+      console.log('prev', this.prevId, '  id', id);
+      if (this.prevId) {
+        console.log('prevModel', this.model.get(this.prevId));
+        $('#link_to_' + this.prevId).removeClass('list-item_active');
+      }
+
+      $('#link_to_' + id).addClass('list-item_active');
+      this.prevId = id;
+    },
+
+    edit: function(event) {
+      event.preventDefault();
+      $(event.target).closest('.list-item').addClass('list-item_editing').find('.list-item__input').focus();
+    },
+
+    saveTitle: function(event) {
+      event.preventDefault();
+      var target = $(event.target);
+      var id = target.data('playlist-id');
+      var model = this.model.get(id);
+      model.save('title', target.find('.list-item__input').val());
+    },
+
+    addPlaylist: function(event) {
+      event.preventDefault();
+      var input = this.$el.find('.playlists__add-input');
+      var data = utils.formToObject(event.target);
+
+      actionHistory.newAction(function() {
+        return this.model.create(data).id;
+      }, function(id) {
+        this.model.get(id).destroy();
+      }, this);
+
+      input.val('');
+      location.assign(this.$el.find('.list-item__link:last').attr('href')); // Select newly created item
+      //FIXME: fix circular dependencies and use backbone route
+    },
+
+    undo: function(event) {
+      //FIXME
+      event.preventDefault();
+      actionHistory.undo();
+      this.render();
+    }
+
+  });
+});

File js/app/PlaylistCollection.js

View file
+define(['app/PlaylistModel', 'backbone.localStorage'], function(PlaylistModel) {
+
+  return Backbone.Collection.extend({
+    model: PlaylistModel,
+    localStorage: new Backbone.LocalStorage("playlists")
+  });
+
+});

File js/app/PlaylistModel.js

View file
+define(['app/TrackModel', 'backbone'], function(TrackModel) {
+
+  return Backbone.Model.extend({
+    defaults: function() {
+      return {
+        title: '',
+        description: 'My playlist',
+        isSelected: false,
+        tracks: []
+      };
+    },
+
+    initialize: function() {
+      this.save();
+
+      this.tracks = new (Backbone.Collection.extend({
+        model: TrackModel,
+
+        localStorage: new Backbone.LocalStorage('playlists-' + this.id + '-tracks')
+
+      }))();
+      this.tracks.fetch()
+    },
+
+    deepCopy: function() {
+      var json = this.toJSON();
+      json.tracks = this.tracks.toJSON();
+      return json;
+    }
+
+  });
+
+});

File js/app/PlaylistView.js

View file
+define(['app/actionHistory', 'backbone', 'handlebars'], function(actionHistory) {
+
+  return Backbone.View.extend({
+
+    tagName: 'div',
+
+    template: Handlebars.compile($('#tpl-playlist').html()),
+
+    initialize: function() {
+      this.model.bind('reset change', this.render, this);
+      this.model.bind('remove', this.renderEmpty, this);
+      this.model.tracks.bind('add change remove', this.render, this);
+    },
+
+    events: {
+      'click .playlists__remove': 'remove',
+      'click .playlist__save-meta': 'save',
+      'click .playlist__track-play-pause':  'playPauseTrack',
+      'click .playlist__delete-track':  'deleteTrack',
+      'submit .playlists__add-track': 'addTrack'
+    },
+
+    remove: function() {
+      this.model.destroy();
+    },
+
+    saveField: function(event) {
+      event.preventDefault();
+      var target = event.target;
+      var name = target.name;
+
+      actionHistory.newAction(function() {
+        var prevValue = this.model.get(name);
+        this.model.save(name, target.value);
+        return prevValue;
+      }, function (prevValue) {
+        this.model.save(name, prevValue);
+      }, this);
+    },
+
+    save: function(event) {
+      event.preventDefault();
+      var name = 'description';
+      var description = this.$el.find('.playlist__description').html();
+
+      actionHistory.newAction(function() {
+        var prevValue = this.model.get(name);
+        this.model.save(name, description);
+        return prevValue;
+      }, function(prevValue) {
+        this.model.save(name, prevValue);
+      }, this);
+    },
+
+    render: function() {
+      var obj = this.model.deepCopy();
+      // FIXME
+      //obj.has_history = (actionHistory.size() > 0);
+      //obj.history_length = actionHistory.size();
+      this.$el.html(this.template(obj));
+      return this;
+    },
+
+    renderEmpty: function() {
+      this.$el.html('');
+    },
+
+    deleteTrack: function (event) {
+      event.preventDefault();
+      var trackId = $(event.currentTarget).attr('data-track-id');
+      var track = this.model.tracks.get(trackId);
+
+      actionHistory.newAction(function() {
+        var prevValue = track.toJSON();
+        track.destroy();
+        return prevValue;
+      }, function (prevValue) {
+        this.model.tracks.create( prevValue );
+      }, this);
+    },
+
+    addTrack: function(event) {
+      event.preventDefault();
+      var target = event.target;
+
+      var value = target.track.value;
+      if (value.indexOf('http') != 0) {
+        return;
+      }
+
+      var that = this;
+
+      SC.get('/resolve', {url: value}, function(data, err) {
+        if (err == null && data.kind == 'track') {
+          target.value = '';
+
+          actionHistory.newAction(function() {
+            return this.model.tracks.create({
+              title: data.title,
+              trackId: data.id,
+              userId: data.user_id,
+              username: data.user.username}).id;
+          }, function (id) {
+            this.model.tracks.get(id).destroy();
+          }, that);
+        } else {
+          alert("404 Not found");
+          //TODO: nice error message
+        }
+      });
+    },
+
+    playPauseTrack: function(event) {
+      event.preventDefault();
+
+      var newTrackId = $(event.currentTarget).attr('data-track-id');
+      var track = this.model.tracks.get(newTrackId);
+      var trackIndex = this.model.tracks.indexOf(track);
+
+      if (this._currentTrackIndex == trackIndex) {
+        this._currentTrack.togglePause();
+      } else {
+        if (this._currentTrack != null && this._currentTrackIndex != null) {
+          this._currentTrack.pause();
+        }
+        this.playTracks(trackIndex);
+      }
+    },
+
+    _currentTrackIndex: null,
+    _currentTrack: null,
+
+    resetPlayPauseIcons: function() {
+      this.$el.find('.playlist__track-play-pause').removeClass('icon-pause').addClass('icon-play');
+    },
+
+    playTracks: function (startIndex) {
+      this._currentTrackIndex = startIndex;
+      this.resetPlayPauseIcons();
+
+      var track = this.model.tracks.at(this._currentTrackIndex);
+      var trackId = track.get("id");
+
+      var that = this;
+      SC.stream('/tracks/' + track.get('trackId'), {
+        autoPlay: true,
+
+        onplay: function() {
+          that._currentTrack = this;
+          that._setPause($('#track_'+trackId));
+        },
+
+        onpause: function() {
+          that._setPlay($('#track_'+trackId));
+        },
+
+        onfinish: function() {
+          var newIndex = that._currentTrackIndex + 1;
+          if (newIndex < that.model.tracks.length) {
+            that.playTracks(newIndex);
+          } else {
+            currentTrackIndex = null;
+            currentTrack = null;
+            that.resetPlayPauseIcons();
+          }
+        }
+
+      });
+    },
+
+    _setPlay: function(element) {
+      element.addClass('icon-play').removeClass('icon-pause');
+    },
+
+    _setPause: function(element) {
+      element.addClass('icon-pause').removeClass('icon-play');
+    },
+
+    undo: function(event) {
+      //FIXME: Implement
+      event.preventDefault();
+      actionHistory.undo();
+      this.render();
+    }
+
+  });
+
+});

File js/app/Router.js

View file
+define(['app/PlaylistCollection', 'app/ListView', 'app/PlaylistView', 'backbone'], function(PlaylistCollection, ListView, PlaylistView) {
+
+  return Backbone.Router.extend({
+
+    routes: {
+      '': 'playlists',
+      ':id': 'showPlaylist'
+    },
+
+    prevId: '',
+
+    initialize: function() {
+      this.playlistCollection = new PlaylistCollection;
+      this.listView = new ListView({model: this.playlistCollection});
+      this.playlistCollection.fetch();
+      $('#list').html(this.listView.render().el);
+    },
+
+    playlists: function() {
+      // Show first playlist, maybe?
+    },
+
+    showPlaylist: function(id) {
+      if (this.prevId === id) {
+        return;
+      }
+
+      var playlist = this.playlistCollection.get(id);
+      this.playlistView = new PlaylistView({model: playlist});
+      $('#content').html(this.playlistView.render().el);
+      this.listView.show(id);
+
+      this.prevId = id;
+    }
+  });
+
+});

File js/app/TrackModel.js

View file
+define(['backbone'], function() {
+
+  return Backbone.Model.extend({
+    defaults: function() {
+      return {
+        title: "",
+        trackId: 0,
+        userId: 0,
+        username: ""
+      };
+    }
+  });
+
+});

File js/app/actionHistory.js

View file
+(function() {
+
+  //FIXME: not finished!
+
+  function ActionHistory() {
+    this.stack = [];
+  }
+
+  ActionHistory.prototype = {
+
+    newAction: function(doAction, undoAction, context) {
+      var i = this.stack.push({undoAction: undoAction, context: context});
+      this.stack[i - 1].doActionResult = doAction.call(context);
+    },
+
+    undo: function() {
+      if (this.stack.length > 0) {
+        var step = this.stack.pop();
+        step.undoAction.call(step.context, step.doActionResult);
+      }
+    },
+
+    size: function() {
+      return this.stack.length;
+    }
+
+  };
+
+  var actionHistory = new ActionHistory();
+
+  define(function() {
+    return actionHistory;
+  });
+
+})();
+

File js/app/login.js

View file
+SC.initialize({
+  client_id: '40cb7f3bd24d40b339dea8923162ae20',
+  redirect_uri: location.href.replace(/[?#].*$/, '') + 'callback.html'
+});
+
+
+var LoginView = Backbone.View.extend({
+  tagName: 'div',
+  template: Handlebars.compile($('#tpl-login').text()),
+
+  initialize: function() {
+
+  },
+
+  render: function() {
+    this.$el.html( this.template() );
+  },
+
+  events: {
+    click: 'login'
+  },
+
+  login: function() {
+    var that = this;
+    SC.connect(function() {
+      that.remove();
+      startApp();
+    });
+  }
+});
+
+
+if (SC.accessToken()){
+  startApp();
+} else {
+  $("#login").click(function(){
+    SC.connect(function(){
+      startApp();
+    });
+  });
+}

File js/app/utils.js

View file
+define(function() {
+
+  return {
+    formToObject: function(form) {
+      var result = {};
+      for (var i = 0; i < form.elements.length; i++) {
+        var input = form.elements[i];
+        var name = input.name;
+        if (!name) {
+          continue;
+        }
+        result[name] = input.value;
+      }
+      return result;
+    }
+  }
+
+});

File js/vendor/backbone.js

View file
+//     Backbone.js 0.9.2
+
+//     (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
+//     Backbone may be freely distributed under the MIT license.
+//     For all details and documentation:
+//     http://backbonejs.org
+
+(function(){
+
+  // Initial Setup
+  // -------------
+
+  // Save a reference to the global object (`window` in the browser, `global`
+  // on the server).
+  var root = this;
+
+  // Save the previous value of the `Backbone` variable, so that it can be
+  // restored later on, if `noConflict` is used.
+  var previousBackbone = root.Backbone;
+
+  // Create a local reference to slice/splice.
+  var slice = Array.prototype.slice;
+  var splice = Array.prototype.splice;
+
+  // The top-level namespace. All public Backbone classes and modules will
+  // be attached to this. Exported for both CommonJS and the browser.
+  var Backbone;
+  if (typeof exports !== 'undefined') {
+    Backbone = exports;
+  } else {
+    Backbone = root.Backbone = {};
+  }
+
+  // Current version of the library. Keep in sync with `package.json`.
+  Backbone.VERSION = '0.9.2';
+
+  // Require Underscore, if we're on the server, and it's not already present.
+  var _ = root._;
+  if (!_ && (typeof require !== 'undefined')) _ = require('underscore');
+
+  // For Backbone's purposes, jQuery, Zepto, or Ender owns the `$` variable.
+  var $ = root.jQuery || root.Zepto || root.ender;
+
+  // Set the JavaScript library that will be used for DOM manipulation and
+  // Ajax calls (a.k.a. the `$` variable). By default Backbone will use: jQuery,
+  // Zepto, or Ender; but the `setDomLibrary()` method lets you inject an
+  // alternate JavaScript library (or a mock library for testing your views
+  // outside of a browser).
+  Backbone.setDomLibrary = function(lib) {
+    $ = lib;
+  };
+
+  // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
+  // to its previous owner. Returns a reference to this Backbone object.
+  Backbone.noConflict = function() {
+    root.Backbone = previousBackbone;
+    return this;
+  };
+
+  // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
+  // will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
+  // set a `X-Http-Method-Override` header.
+  Backbone.emulateHTTP = false;
+
+  // Turn on `emulateJSON` to support legacy servers that can't deal with direct
+  // `application/json` requests ... will encode the body as
+  // `application/x-www-form-urlencoded` instead and will send the model in a
+  // form param named `model`.
+  Backbone.emulateJSON = false;
+
+  // Backbone.Events
+  // -----------------
+
+  // Regular expression used to split event strings
+  var eventSplitter = /\s+/;
+
+  // A module that can be mixed in to *any object* in order to provide it with
+  // custom events. You may bind with `on` or remove with `off` callback functions
+  // to an event; trigger`-ing an event fires all callbacks in succession.
+  //
+  //     var object = {};
+  //     _.extend(object, Backbone.Events);
+  //     object.on('expand', function(){ alert('expanded'); });
+  //     object.trigger('expand');
+  //
+  var Events = Backbone.Events = {
+
+    // Bind one or more space separated events, `events`, to a `callback`
+    // function. Passing `"all"` will bind the callback to all events fired.
+    on: function(events, callback, context) {
+
+      var calls, event, node, tail, list;
+      if (!callback) return this;
+      events = events.split(eventSplitter);
+      calls = this._callbacks || (this._callbacks = {});
+
+      // Create an immutable callback list, allowing traversal during
+      // modification.  The tail is an empty object that will always be used
+      // as the next node.
+      while (event = events.shift()) {
+        list = calls[event];
+        node = list ? list.tail : {};
+        node.next = tail = {};
+        node.context = context;
+        node.callback = callback;
+        calls[event] = {tail: tail, next: list ? list.next : node};
+      }
+
+      return this;
+    },
+
+    // Remove one or many callbacks. If `context` is null, removes all callbacks
+    // with that function. If `callback` is null, removes all callbacks for the
+    // event. If `events` is null, removes all bound callbacks for all events.
+    off: function(events, callback, context) {
+      var event, calls, node, tail, cb, ctx;
+
+      // No events, or removing *all* events.
+      if (!(calls = this._callbacks)) return;
+      if (!(events || callback || context)) {
+        delete this._callbacks;
+        return this;
+      }
+
+      // Loop through the listed events and contexts, splicing them out of the
+      // linked list of callbacks if appropriate.
+      events = events ? events.split(eventSplitter) : _.keys(calls);
+      while (event = events.shift()) {
+        node = calls[event];
+        delete calls[event];
+        if (!node || !(callback || context)) continue;
+        // Create a new list, omitting the indicated callbacks.
+        tail = node.tail;
+        while ((node = node.next) !== tail) {
+          cb = node.callback;
+          ctx = node.context;
+          if ((callback && cb !== callback) || (context && ctx !== context)) {
+            this.on(event, cb, ctx);
+          }
+        }
+      }
+
+      return this;
+    },
+
+    // Trigger one or many events, firing all bound callbacks. Callbacks are
+    // passed the same arguments as `trigger` is, apart from the event name
+    // (unless you're listening on `"all"`, which will cause your callback to
+    // receive the true name of the event as the first argument).
+    trigger: function(events) {
+      var event, node, calls, tail, args, all, rest;
+      if (!(calls = this._callbacks)) return this;
+      all = calls.all;
+      events = events.split(eventSplitter);
+      rest = slice.call(arguments, 1);
+
+      // For each event, walk through the linked list of callbacks twice,
+      // first to trigger the event, then to trigger any `"all"` callbacks.
+      while (event = events.shift()) {
+        if (node = calls[event]) {
+          tail = node.tail;
+          while ((node = node.next) !== tail) {
+            node.callback.apply(node.context || this, rest);
+          }
+        }
+        if (node = all) {
+          tail = node.tail;
+          args = [event].concat(rest);
+          while ((node = node.next) !== tail) {
+            node.callback.apply(node.context || this, args);
+          }
+        }
+      }
+
+      return this;
+    }
+
+  };
+
+  // Aliases for backwards compatibility.
+  Events.bind   = Events.on;
+  Events.unbind = Events.off;
+
+  // Backbone.Model
+  // --------------
+
+  // Create a new model, with defined attributes. A client id (`cid`)
+  // is automatically generated and assigned for you.
+  var Model = Backbone.Model = function(attributes, options) {
+    var defaults;
+    attributes || (attributes = {});
+    if (options && options.parse) attributes = this.parse(attributes);
+    if (defaults = getValue(this, 'defaults')) {
+      attributes = _.extend({}, defaults, attributes);
+    }
+    if (options && options.collection) this.collection = options.collection;
+    this.attributes = {};
+    this._escapedAttributes = {};
+    this.cid = _.uniqueId('c');
+    this.changed = {};
+    this._silent = {};
+    this._pending = {};
+    this.set(attributes, {silent: true});
+    // Reset change tracking.
+    this.changed = {};
+    this._silent = {};
+    this._pending = {};
+    this._previousAttributes = _.clone(this.attributes);
+    this.initialize.apply(this, arguments);
+  };
+
+  // Attach all inheritable methods to the Model prototype.
+  _.extend(Model.prototype, Events, {
+
+    // A hash of attributes whose current and previous value differ.
+    changed: null,
+
+    // A hash of attributes that have silently changed since the last time
+    // `change` was called.  Will become pending attributes on the next call.
+    _silent: null,
+
+    // A hash of attributes that have changed since the last `'change'` event
+    // began.
+    _pending: null,
+
+    // The default name for the JSON `id` attribute is `"id"`. MongoDB and
+    // CouchDB users may want to set this to `"_id"`.
+    idAttribute: 'id',
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // Return a copy of the model's `attributes` object.
+    toJSON: function(options) {
+      return _.clone(this.attributes);
+    },
+
+    // Get the value of an attribute.
+    get: function(attr) {
+      return this.attributes[attr];
+    },
+
+    // Get the HTML-escaped value of an attribute.
+    escape: function(attr) {
+      var html;
+      if (html = this._escapedAttributes[attr]) return html;
+      var val = this.get(attr);
+      return this._escapedAttributes[attr] = _.escape(val == null ? '' : '' + val);
+    },
+
+    // Returns `true` if the attribute contains a value that is not null
+    // or undefined.
+    has: function(attr) {
+      return this.get(attr) != null;
+    },
+
+    // Set a hash of model attributes on the object, firing `"change"` unless
+    // you choose to silence it.
+    set: function(key, value, options) {
+      var attrs, attr, val;
+
+      // Handle both `"key", value` and `{key: value}` -style arguments.
+      if (_.isObject(key) || key == null) {
+        attrs = key;
+        options = value;
+      } else {
+        attrs = {};
+        attrs[key] = value;
+      }
+
+      // Extract attributes and options.
+      options || (options = {});
+      if (!attrs) return this;
+      if (attrs instanceof Model) attrs = attrs.attributes;
+      if (options.unset) for (attr in attrs) attrs[attr] = void 0;
+
+      // Run validation.
+      if (!this._validate(attrs, options)) return false;
+
+      // Check for changes of `id`.
+      if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
+
+      var changes = options.changes = {};
+      var now = this.attributes;
+      var escaped = this._escapedAttributes;
+      var prev = this._previousAttributes || {};
+
+      // For each `set` attribute...
+      for (attr in attrs) {
+        val = attrs[attr];
+
+        // If the new and current value differ, record the change.
+        if (!_.isEqual(now[attr], val) || (options.unset && _.has(now, attr))) {
+          delete escaped[attr];
+          (options.silent ? this._silent : changes)[attr] = true;
+        }
+
+        // Update or delete the current value.
+        options.unset ? delete now[attr] : now[attr] = val;
+
+        // If the new and previous value differ, record the change.  If not,
+        // then remove changes for this attribute.
+        if (!_.isEqual(prev[attr], val) || (_.has(now, attr) != _.has(prev, attr))) {
+          this.changed[attr] = val;
+          if (!options.silent) this._pending[attr] = true;
+        } else {
+          delete this.changed[attr];
+          delete this._pending[attr];
+        }
+      }
+
+      // Fire the `"change"` events.
+      if (!options.silent) this.change(options);
+      return this;
+    },
+
+    // Remove an attribute from the model, firing `"change"` unless you choose
+    // to silence it. `unset` is a noop if the attribute doesn't exist.
+    unset: function(attr, options) {
+      (options || (options = {})).unset = true;
+      return this.set(attr, null, options);
+    },
+
+    // Clear all attributes on the model, firing `"change"` unless you choose
+    // to silence it.
+    clear: function(options) {
+      (options || (options = {})).unset = true;
+      return this.set(_.clone(this.attributes), options);
+    },
+
+    // Fetch the model from the server. If the server's representation of the
+    // model differs from its current attributes, they will be overriden,
+    // triggering a `"change"` event.
+    fetch: function(options) {
+      options = options ? _.clone(options) : {};
+      var model = this;
+      var success = options.success;
+      options.success = function(resp, status, xhr) {
+        if (!model.set(model.parse(resp, xhr), options)) return false;
+        if (success) success(model, resp);
+      };
+      options.error = Backbone.wrapError(options.error, model, options);
+      return (this.sync || Backbone.sync).call(this, 'read', this, options);
+    },
+
+    // Set a hash of model attributes, and sync the model to the server.
+    // If the server returns an attributes hash that differs, the model's
+    // state will be `set` again.
+    save: function(key, value, options) {
+      var attrs, current;
+
+      // Handle both `("key", value)` and `({key: value})` -style calls.
+      if (_.isObject(key) || key == null) {
+        attrs = key;
+        options = value;
+      } else {
+        attrs = {};
+        attrs[key] = value;
+      }
+      options = options ? _.clone(options) : {};
+
+      // If we're "wait"-ing to set changed attributes, validate early.
+      if (options.wait) {
+        if (!this._validate(attrs, options)) return false;
+        current = _.clone(this.attributes);
+      }
+
+      // Regular saves `set` attributes before persisting to the server.
+      var silentOptions = _.extend({}, options, {silent: true});
+      if (attrs && !this.set(attrs, options.wait ? silentOptions : options)) {
+        return false;
+      }
+
+      // After a successful server-side save, the client is (optionally)
+      // updated with the server-side state.
+      var model = this;
+      var success = options.success;
+      options.success = function(resp, status, xhr) {
+        var serverAttrs = model.parse(resp, xhr);
+        if (options.wait) {
+          delete options.wait;
+          serverAttrs = _.extend(attrs || {}, serverAttrs);
+        }
+        if (!model.set(serverAttrs, options)) return false;
+        if (success) {
+          success(model, resp);
+        } else {
+          model.trigger('sync', model, resp, options);
+        }
+      };
+
+      // Finish configuring and sending the Ajax request.
+      options.error = Backbone.wrapError(options.error, model, options);
+      var method = this.isNew() ? 'create' : 'update';
+      var xhr = (this.sync || Backbone.sync).call(this, method, this, options);
+      if (options.wait) this.set(current, silentOptions);
+      return xhr;
+    },
+
+    // Destroy this model on the server if it was already persisted.
+    // Optimistically removes the model from its collection, if it has one.
+    // If `wait: true` is passed, waits for the server to respond before removal.
+    destroy: function(options) {
+      options = options ? _.clone(options) : {};
+      var model = this;
+      var success = options.success;
+
+      var triggerDestroy = function() {
+        model.trigger('destroy', model, model.collection, options);
+      };
+
+      if (this.isNew()) {
+        triggerDestroy();
+        return false;
+      }
+
+      options.success = function(resp) {
+        if (options.wait) triggerDestroy();
+        if (success) {
+          success(model, resp);
+        } else {
+          model.trigger('sync', model, resp, options);
+        }
+      };
+
+      options.error = Backbone.wrapError(options.error, model, options);
+      var xhr = (this.sync || Backbone.sync).call(this, 'delete', this, options);
+      if (!options.wait) triggerDestroy();
+      return xhr;
+    },
+
+    // Default URL for the model's representation on the server -- if you're
+    // using Backbone's restful methods, override this to change the endpoint
+    // that will be called.
+    url: function() {
+      var base = getValue(this, 'urlRoot') || getValue(this.collection, 'url') || urlError();
+      if (this.isNew()) return base;
+      return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + encodeURIComponent(this.id);
+    },
+
+    // **parse** converts a response into the hash of attributes to be `set` on
+    // the model. The default implementation is just to pass the response along.
+    parse: function(resp, xhr) {
+      return resp;
+    },
+
+    // Create a new model with identical attributes to this one.
+    clone: function() {
+      return new this.constructor(this.attributes);
+    },
+
+    // A model is new if it has never been saved to the server, and lacks an id.
+    isNew: function() {
+      return this.id == null;
+    },
+
+    // Call this method to manually fire a `"change"` event for this model and
+    // a `"change:attribute"` event for each changed attribute.
+    // Calling this will cause all objects observing the model to update.
+    change: function(options) {
+      options || (options = {});
+      var changing = this._changing;
+      this._changing = true;
+
+      // Silent changes become pending changes.
+      for (var attr in this._silent) this._pending[attr] = true;
+
+      // Silent changes are triggered.
+      var changes = _.extend({}, options.changes, this._silent);
+      this._silent = {};
+      for (var attr in changes) {
+        this.trigger('change:' + attr, this, this.get(attr), options);
+      }
+      if (changing) return this;
+
+      // Continue firing `"change"` events while there are pending changes.
+      while (!_.isEmpty(this._pending)) {
+        this._pending = {};
+        this.trigger('change', this, options);
+        // Pending and silent changes still remain.
+        for (var attr in this.changed) {
+          if (this._pending[attr] || this._silent[attr]) continue;
+          delete this.changed[attr];
+        }
+        this._previousAttributes = _.clone(this.attributes);
+      }
+
+      this._changing = false;
+      return this;
+    },
+
+    // Determine if the model has changed since the last `"change"` event.
+    // If you specify an attribute name, determine if that attribute has changed.
+    hasChanged: function(attr) {
+      if (!arguments.length) return !_.isEmpty(this.changed);
+      return _.has(this.changed, attr);
+    },
+
+    // Return an object containing all the attributes that have changed, or
+    // false if there are no changed attributes. Useful for determining what
+    // parts of a view need to be updated and/or what attributes need to be
+    // persisted to the server. Unset attributes will be set to undefined.
+    // You can also pass an attributes object to diff against the model,
+    // determining if there *would be* a change.
+    changedAttributes: function(diff) {
+      if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
+      var val, changed = false, old = this._previousAttributes;
+      for (var attr in diff) {
+        if (_.isEqual(old[attr], (val = diff[attr]))) continue;
+        (changed || (changed = {}))[attr] = val;
+      }
+      return changed;
+    },
+
+    // Get the previous value of an attribute, recorded at the time the last
+    // `"change"` event was fired.
+    previous: function(attr) {
+      if (!arguments.length || !this._previousAttributes) return null;
+      return this._previousAttributes[attr];
+    },
+
+    // Get all of the attributes of the model at the time of the previous
+    // `"change"` event.
+    previousAttributes: function() {
+      return _.clone(this._previousAttributes);
+    },
+
+    // Check if the model is currently in a valid state. It's only possible to
+    // get into an *invalid* state if you're using silent changes.
+    isValid: function() {
+      return !this.validate(this.attributes);
+    },
+
+    // Run validation against the next complete set of model attributes,
+    // returning `true` if all is well. If a specific `error` callback has
+    // been passed, call that instead of firing the general `"error"` event.
+    _validate: function(attrs, options) {
+      if (options.silent || !this.validate) return true;
+      attrs = _.extend({}, this.attributes, attrs);
+      var error = this.validate(attrs, options);
+      if (!error) return true;
+      if (options && options.error) {
+        options.error(this, error, options);
+      } else {
+        this.trigger('error', this, error, options);
+      }
+      return false;
+    }
+
+  });
+
+  // Backbone.Collection
+  // -------------------
+
+  // Provides a standard collection class for our sets of models, ordered
+  // or unordered. If a `comparator` is specified, the Collection will maintain
+  // its models in sort order, as they're added and removed.
+  var Collection = Backbone.Collection = function(models, options) {
+    options || (options = {});
+    if (options.model) this.model = options.model;
+    if (options.comparator) this.comparator = options.comparator;
+    this._reset();
+    this.initialize.apply(this, arguments);
+    if (models) this.reset(models, {silent: true, parse: options.parse});
+  };
+
+  // Define the Collection's inheritable methods.
+  _.extend(Collection.prototype, Events, {
+
+    // The default model for a collection is just a **Backbone.Model**.
+    // This should be overridden in most cases.
+    model: Model,
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // The JSON representation of a Collection is an array of the
+    // models' attributes.
+    toJSON: function(options) {
+      return this.map(function(model){ return model.toJSON(options); });
+    },
+
+    // Add a model, or list of models to the set. Pass **silent** to avoid
+    // firing the `add` event for every new model.
+    add: function(models, options) {
+      var i, index, length, model, cid, id, cids = {}, ids = {}, dups = [];
+      options || (options = {});
+      models = _.isArray(models) ? models.slice() : [models];
+
+      // Begin by turning bare objects into model references, and preventing
+      // invalid models or duplicate models from being added.
+      for (i = 0, length = models.length; i < length; i++) {
+        if (!(model = models[i] = this._prepareModel(models[i], options))) {
+          throw new Error("Can't add an invalid model to a collection");
+        }
+        cid = model.cid;
+        id = model.id;
+        if (cids[cid] || this._byCid[cid] || ((id != null) && (ids[id] || this._byId[id]))) {
+          dups.push(i);
+          continue;
+        }
+        cids[cid] = ids[id] = model;
+      }
+
+      // Remove duplicates.
+      i = dups.length;
+      while (i--) {
+        models.splice(dups[i], 1);
+      }
+
+      // Listen to added models' events, and index models for lookup by
+      // `id` and by `cid`.
+      for (i = 0, length = models.length; i < length; i++) {
+        (model = models[i]).on('all', this._onModelEvent, this);
+        this._byCid[model.cid] = model;
+        if (model.id != null) this._byId[model.id] = model;
+      }
+
+      // Insert models into the collection, re-sorting if needed, and triggering
+      // `add` events unless silenced.
+      this.length += length;
+      index = options.at != null ? options.at : this.models.length;
+      splice.apply(this.models, [index, 0].concat(models));
+      if (this.comparator) this.sort({silent: true});
+      if (options.silent) return this;
+      for (i = 0, length = this.models.length; i < length; i++) {
+        if (!cids[(model = this.models[i]).cid]) continue;
+        options.index = i;
+        model.trigger('add', model, this, options);
+      }
+      return this;
+    },
+
+    // Remove a model, or a list of models from the set. Pass silent to avoid
+    // firing the `remove` event for every model removed.
+    remove: function(models, options) {
+      var i, l, index, model;
+      options || (options = {});
+      models = _.isArray(models) ? models.slice() : [models];
+      for (i = 0, l = models.length; i < l; i++) {
+        model = this.getByCid(models[i]) || this.get(models[i]);
+        if (!model) continue;
+        delete this._byId[model.id];
+        delete this._byCid[model.cid];
+        index = this.indexOf(model);
+        this.models.splice(index, 1);
+        this.length--;
+        if (!options.silent) {
+          options.index = index;
+          model.trigger('remove', model, this, options);
+        }
+        this._removeReference(model);
+      }
+      return this;
+    },
+
+    // Add a model to the end of the collection.
+    push: function(model, options) {
+      model = this._prepareModel(model, options);
+      this.add(model, options);
+      return model;
+    },
+
+    // Remove a model from the end of the collection.
+    pop: function(options) {
+      var model = this.at(this.length - 1);
+      this.remove(model, options);
+      return model;
+    },
+
+    // Add a model to the beginning of the collection.
+    unshift: function(model, options) {
+      model = this._prepareModel(model, options);
+      this.add(model, _.extend({at: 0}, options));
+      return model;
+    },
+
+    // Remove a model from the beginning of the collection.
+    shift: function(options) {
+      var model = this.at(0);
+      this.remove(model, options);
+      return model;
+    },
+
+    // Get a model from the set by id.
+    get: function(id) {
+      if (id == null) return void 0;
+      return this._byId[id.id != null ? id.id : id];
+    },
+
+    // Get a model from the set by client id.
+    getByCid: function(cid) {
+      return cid && this._byCid[cid.cid || cid];
+    },
+
+    // Get the model at the given index.
+    at: function(index) {
+      return this.models[index];
+    },
+
+    // Return models with matching attributes. Useful for simple cases of `filter`.
+    where: function(attrs) {
+      if (_.isEmpty(attrs)) return [];
+      return this.filter(function(model) {
+        for (var key in attrs) {
+          if (attrs[key] !== model.get(key)) return false;
+        }
+        return true;
+      });
+    },
+
+    // Force the collection to re-sort itself. You don't need to call this under
+    // normal circumstances, as the set will maintain sort order as each item
+    // is added.
+    sort: function(options) {
+      options || (options = {});
+      if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
+      var boundComparator = _.bind(this.comparator, this);
+      if (this.comparator.length == 1) {
+        this.models = this.sortBy(boundComparator);
+      } else {
+        this.models.sort(boundComparator);
+      }
+      if (!options.silent) this.trigger('reset', this, options);
+      return this;
+    },
+
+    // Pluck an attribute from each model in the collection.
+    pluck: function(attr) {
+      return _.map(this.models, function(model){ return model.get(attr); });
+    },
+
+    // When you have more items than you want to add or remove individually,
+    // you can reset the entire set with a new list of models, without firing
+    // any `add` or `remove` events. Fires `reset` when finished.
+    reset: function(models, options) {
+      models  || (models = []);
+      options || (options = {});
+      for (var i = 0, l = this.models.length; i < l; i++) {
+        this._removeReference(this.models[i]);
+      }
+      this._reset();
+      this.add(models, _.extend({silent: true}, options));
+      if (!options.silent) this.trigger('reset', this, options);
+      return this;
+    },
+
+    // Fetch the default set of models for this collection, resetting the
+    // collection when they arrive. If `add: true` is passed, appends the
+    // models to the collection instead of resetting.
+    fetch: function(options) {
+      options = options ? _.clone(options) : {};
+      if (options.parse === undefined) options.parse = true;
+      var collection = this;
+      var success = options.success;
+      options.success = function(resp, status, xhr) {
+        collection[options.add ? 'add' : 'reset'](collection.parse(resp, xhr), options);
+        if (success) success(collection, resp);
+      };
+      options.error = Backbone.wrapError(options.error, collection, options);
+      return (this.sync || Backbone.sync).call(this, 'read', this, options);
+    },
+
+    // Create a new instance of a model in this collection. Add the model to the
+    // collection immediately, unless `wait: true` is passed, in which case we
+    // wait for the server to agree.
+    create: function(model, options) {
+      var coll = this;
+      options = options ? _.clone(options) : {};
+      model = this._prepareModel(model, options);
+      if (!model) return false;
+      if (!options.wait) coll.add(model, options);
+      var success = options.success;
+      options.success = function(nextModel, resp, xhr) {
+        if (options.wait) coll.add(nextModel, options);
+        if (success) {
+          success(nextModel, resp);
+        } else {
+          nextModel.trigger('sync', model, resp, options);
+        }
+      };
+      model.save(null, options);
+      return model;
+    },
+
+    // **parse** converts a response into a list of models to be added to the
+    // collection. The default implementation is just to pass it through.
+    parse: function(resp, xhr) {
+      return resp;
+    },
+
+    // Proxy to _'s chain. Can't be proxied the same way the rest of the
+    // underscore methods are proxied because it relies on the underscore
+    // constructor.
+    chain: function() {
+      return _(this.models).chain();
+    },
+
+    // Reset all internal state. Called when the collection is reset.
+    _reset: function(options) {
+      this.length = 0;
+      this.models = [];
+      this._byId  = {};
+      this._byCid = {};
+    },
+
+    // Prepare a model or hash of attributes to be added to this collection.
+    _prepareModel: function(model, options) {
+      options || (options = {});
+      if (!(model instanceof Model)) {
+        var attrs = model;
+        options.collection = this;
+        model = new this.model(attrs, options);
+        if (!model._validate(model.attributes, options)) model = false;
+      } else if (!model.collection) {
+        model.collection = this;
+      }
+      return model;
+    },
+
+    // Internal method to remove a model's ties to a collection.
+    _removeReference: function(model) {
+      if (this == model.collection) {
+        delete model.collection;
+      }
+      model.off('all', this._onModelEvent, this);
+    },
+
+    // Internal method called every time a model in the set fires an event.
+    // Sets need to update their indexes when models change ids. All other
+    // events simply proxy through. "add" and "remove" events that originate
+    // in other collections are ignored.
+    _onModelEvent: function(event, model, collection, options) {
+      if ((event == 'add' || event == 'remove') && collection != this) return;
+      if (event == 'destroy') {
+        this.remove(model, options);
+      }
+      if (model && event === 'change:' + model.idAttribute) {
+        delete this._byId[model.previous(model.idAttribute)];
+        this._byId[model.id] = model;
+      }
+      this.trigger.apply(this, arguments);
+    }
+
+  });
+
+  // Underscore methods that we want to implement on the Collection.
+  var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find',
+    'detect', 'filter', 'select', 'reject', 'every', 'all', 'some', 'any',
+    'include', 'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex',
+    'toArray', 'size', 'first', 'initial', 'rest', 'last', 'without', 'indexOf',
+    'shuffle', 'lastIndexOf', 'isEmpty', 'groupBy'];
+
+  // Mix in each Underscore method as a proxy to `Collection#models`.
+  _.each(methods, function(method) {
+    Collection.prototype[method] = function() {
+      return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
+    };
+  });
+
+  // Backbone.Router
+  // -------------------
+
+  // Routers map faux-URLs to actions, and fire events when routes are
+  // matched. Creating a new one sets its `routes` hash, if not set statically.
+  var Router = Backbone.Router = function(options) {
+    options || (options = {});
+    if (options.routes) this.routes = options.routes;
+    this._bindRoutes();
+    this.initialize.apply(this, arguments);
+  };
+
+  // Cached regular expressions for matching named param parts and splatted
+  // parts of route strings.
+  var namedParam    = /:\w+/g;
+  var splatParam    = /\*\w+/g;
+  var escapeRegExp  = /[-[\]{}()+?.,\\^$|#\s]/g;
+
+  // Set up all inheritable **Backbone.Router** properties and methods.
+  _.extend(Router.prototype, Events, {
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize: function(){},
+
+    // Manually bind a single named route to a callback. For example:
+    //
+    //     this.route('search/:query/p:num', 'search', function(query, num) {
+    //       ...
+    //     });
+    //
+    route: function(route, name, callback) {
+      Backbone.history || (Backbone.history = new History);
+      if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+      if (!callback) callback = this[name];
+      Backbone.history.route(route, _.bind(function(fragment) {
+        var args = this._extractParameters(route, fragment);
+        callback && callback.apply(this, args);
+        this.trigger.apply(this, ['route:' + name].concat(args));
+        Backbone.history.trigger('route', this, name, args);
+      }, this));
+      return this;
+    },
+
+    // Simple proxy to `Backbone.history` to save a fragment into the history.
+    navigate: function(fragment, options) {
+      Backbone.history.navigate(fragment, options);
+    },
+
+    // Bind all defined routes to `Backbone.history`. We have to reverse the
+    // order of the routes here to support behavior where the most general
+    // routes can be defined at the bottom of the route map.
+    _bindRoutes: function() {
+      if (!this.routes) return;
+      var routes = [];
+      for (var route in this.routes) {
+        routes.unshift([route, this.routes[route]]);
+      }
+      for (var i = 0, l = routes.length; i < l; i++) {
+        this.route(routes[i][0], routes[i][1], this[routes[i][1]]);
+      }
+    },
+
+    // Convert a route string into a regular expression, suitable for matching
+    // against the current location hash.
+    _routeToRegExp: function(route) {
+      route = route.replace(escapeRegExp, '\\$&')
+                   .replace(namedParam, '([^\/]+)')
+                   .replace(splatParam, '(.*?)');
+      return new RegExp('^' + route + '$');
+    },
+
+    // Given a route, and a URL fragment that it matches, return the array of
+    // extracted parameters.
+    _extractParameters: function(route, fragment) {
+      return route.exec(fragment).slice(1);
+    }
+
+  });
+
+  // Backbone.History
+  // ----------------
+
+  // Handles cross-browser history management, based on URL fragments. If the
+  // browser does not support `onhashchange`, falls back to polling.
+  var History = Backbone.History = function() {
+    this.handlers = [];
+    _.bindAll(this, 'checkUrl');
+  };
+
+  // Cached regex for cleaning leading hashes and slashes .
+  var routeStripper = /^[#\/]/;
+
+  // Cached regex for detecting MSIE.
+  var isExplorer = /msie [\w.]+/;
+
+  // Has the history handling already been started?
+  History.started = false;
+
+  // Set up all inheritable **Backbone.History** properties and methods.
+  _.extend(History.prototype, Events, {
+
+    // The default interval to poll for hash changes, if necessary, is
+    // twenty times a second.
+    interval: 50,
+
+    // Gets the true hash value. Cannot use location.hash directly due to bug
+    // in Firefox where location.hash will always be decoded.