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Commit a1081622 authored by Ryan Eastridge's avatar Ryan Eastridge
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Remove thorax_require

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labs/dependency-examples/thorax_require/README.md deleted 100644 → 0
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Thorax + RequireJS TodoMVC
==========================
Unlike the vanilla Thorax and Thorax + Lumbar implementations, this example does not make use of the Thorax registry / named views and templates. The views are still assigned a name property for debugging and consistency (each view's element will be assigned a data-view-name HTML attribute), but each dependency is explicitly pulled in via `define` instead of being pulled in by the `view` or `template` helpers, or automatic assignment of templates to views when they share a name. For example in the require.js app:
# views/app.js
template: Handlebars.compile(appTemplate),
initialize: function() {
this.statsView = new StatsView;
}
# templates/app.handlebars
{{view statsView}}
In the Lumbar or vanilla Thorax implementations simply setting the name will auto assign the template of the same name, and the "stats" view can be included by name, rather than having to first initialize it.
# views/app.js
name: 'app'
# templates/app.handlebars
{{view "stats"}}
Thorax is flexible enough that the approach used in the require.js app will still work within lumbar or vanilla Thorax implementations, but the approach used in the require.js environment is the only one that will work with require.js
\ No newline at end of file
labs/dependency-examples/thorax_require/index.html deleted 100644 → 0
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Thorax + RequireJS • TodoMVC</title>
<link rel="stylesheet" href="../../../assets/base.css">
<script src="../../../assets/base.js"></script>
<script data-main="js/main" src="js/lib/require/require.js"></script>
<!--[if IE]>
<script src="../../../assets/ie.js"></script>
<![endif]-->
</head>
<body>
</body>
</html>
labs/dependency-examples/thorax_require/js/collections/todos.js deleted 100644 → 0
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define([
'underscore',
'backbone',
'lib/backbone/localstorage',
'models/todo'
], function( _, Backbone, Store, Todo ) {
var TodoList = Backbone.Collection.extend({
// Reference to this collection's model.
model: Todo,
// Save all of the todo items under the `"todos"` namespace.
localStorage: new Store('todos-backbone'),
// Filter down the list of all todo items that are finished.
completed: function() {
return this.filter(function( todo ) {
return todo.get('completed');
});
},
// Filter down the list to only todo items that are still not finished.
remaining: function() {
return this.without.apply( this, this.completed() );
},
// We keep the Todos in sequential order, despite being saved by unordered
// GUID in the database. This generates the next order number for new items.
nextOrder: function() {
if ( !this.length ) {
return 1;
}
return this.last().get('order') + 1;
},
// Todos are sorted by their original insertion order.
comparator: function( todo ) {
return todo.get('order');
}
});
return new TodoList();
});
labs/dependency-examples/thorax_require/js/common.js deleted 100644 → 0
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define([], function() {
return {
// Which filter are we using?
TodoFilter: '', // empty, active, completed
// What is the enter key constant?
ENTER_KEY: 13
};
});
labs/dependency-examples/thorax_require/js/lib/backbone/backbone.js deleted 100644 → 0
View file @ 23457d50
// 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(){var l=this,y=l.Backbone,z=Array.prototype.slice,A=Array.prototype.splice,g;g="undefined"!==typeof exports?exports:l.Backbone={};g.VERSION="0.9.2";var f=l._;!f&&"undefined"!==typeof require&&(f=require("underscore"));var i=l.jQuery||l.Zepto||l.ender;g.setDomLibrary=function(a){i=a};g.noConflict=function(){l.Backbone=y;return this};g.emulateHTTP=!1;g.emulateJSON=!1;var p=/\s+/,k=g.Events={on:function(a,b,c){var d,e,f,g,j;if(!b)return this;a=a.split(p);for(d=this._callbacks||(this._callbacks=
{});e=a.shift();)f=(j=d[e])?j.tail:{},f.next=g={},f.context=c,f.callback=b,d[e]={tail:g,next:j?j.next:f};return this},off:function(a,b,c){var d,e,h,g,j,q;if(e=this._callbacks){if(!a&&!b&&!c)return delete this._callbacks,this;for(a=a?a.split(p):f.keys(e);d=a.shift();)if(h=e[d],delete e[d],h&&(b||c))for(g=h.tail;(h=h.next)!==g;)if(j=h.callback,q=h.context,b&&j!==b||c&&q!==c)this.on(d,j,q);return this}},trigger:function(a){var b,c,d,e,f,g;if(!(d=this._callbacks))return this;f=d.all;a=a.split(p);for(g=
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{};this._pending={};this.set(a,{silent:!0});this.changed={};this._silent={};this._pending={};this._previousAttributes=f.clone(this.attributes);this.initialize.apply(this,arguments)};f.extend(o.prototype,k,{changed:null,_silent:null,_pending:null,idAttribute:"id",initialize:function(){},toJSON:function(){return f.clone(this.attributes)},get:function(a){return this.attributes[a]},escape:function(a){var b;if(b=this._escapedAttributes[a])return b;b=this.get(a);return this._escapedAttributes[a]=f.escape(null==
b?"":""+b)},has:function(a){return null!=this.get(a)},set:function(a,b,c){var d,e;f.isObject(a)||null==a?(d=a,c=b):(d={},d[a]=b);c||(c={});if(!d)return this;d instanceof o&&(d=d.attributes);if(c.unset)for(e in d)d[e]=void 0;if(!this._validate(d,c))return!1;this.idAttribute in d&&(this.id=d[this.idAttribute]);var b=c.changes={},h=this.attributes,g=this._escapedAttributes,j=this._previousAttributes||{};for(e in d){a=d[e];if(!f.isEqual(h[e],a)||c.unset&&f.has(h,e))delete g[e],(c.silent?this._silent:
b)[e]=!0;c.unset?delete h[e]:h[e]=a;!f.isEqual(j[e],a)||f.has(h,e)!=f.has(j,e)?(this.changed[e]=a,c.silent||(this._pending[e]=!0)):(delete this.changed[e],delete this._pending[e])}c.silent||this.change(c);return this},unset:function(a,b){(b||(b={})).unset=!0;return this.set(a,null,b)},clear:function(a){(a||(a={})).unset=!0;return this.set(f.clone(this.attributes),a)},fetch:function(a){var a=a?f.clone(a):{},b=this,c=a.success;a.success=function(d,e,f){if(!b.set(b.parse(d,f),a))return!1;c&&c(b,d)};
a.error=g.wrapError(a.error,b,a);return(this.sync||g.sync).call(this,"read",this,a)},save:function(a,b,c){var d,e;f.isObject(a)||null==a?(d=a,c=b):(d={},d[a]=b);c=c?f.clone(c):{};if(c.wait){if(!this._validate(d,c))return!1;e=f.clone(this.attributes)}a=f.extend({},c,{silent:!0});if(d&&!this.set(d,c.wait?a:c))return!1;var h=this,i=c.success;c.success=function(a,b,e){b=h.parse(a,e);if(c.wait){delete c.wait;b=f.extend(d||{},b)}if(!h.set(b,c))return false;i?i(h,a):h.trigger("sync",h,a,c)};c.error=g.wrapError(c.error,
h,c);b=this.isNew()?"create":"update";b=(this.sync||g.sync).call(this,b,this,c);c.wait&&this.set(e,a);return b},destroy:function(a){var a=a?f.clone(a):{},b=this,c=a.success,d=function(){b.trigger("destroy",b,b.collection,a)};if(this.isNew())return d(),!1;a.success=function(e){a.wait&&d();c?c(b,e):b.trigger("sync",b,e,a)};a.error=g.wrapError(a.error,b,a);var e=(this.sync||g.sync).call(this,"delete",this,a);a.wait||d();return e},url:function(){var a=n(this,"urlRoot")||n(this.collection,"url")||t();
return this.isNew()?a:a+("/"==a.charAt(a.length-1)?"":"/")+encodeURIComponent(this.id)},parse:function(a){return a},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return null==this.id},change:function(a){a||(a={});var b=this._changing;this._changing=!0;for(var c in this._silent)this._pending[c]=!0;var d=f.extend({},a.changes,this._silent);this._silent={};for(c in d)this.trigger("change:"+c,this,this.get(c),a);if(b)return this;for(;!f.isEmpty(this._pending);){this._pending=
{};this.trigger("change",this,a);for(c in this.changed)!this._pending[c]&&!this._silent[c]&&delete this.changed[c];this._previousAttributes=f.clone(this.attributes)}this._changing=!1;return this},hasChanged:function(a){return!arguments.length?!f.isEmpty(this.changed):f.has(this.changed,a)},changedAttributes:function(a){if(!a)return this.hasChanged()?f.clone(this.changed):!1;var b,c=!1,d=this._previousAttributes,e;for(e in a)if(!f.isEqual(d[e],b=a[e]))(c||(c={}))[e]=b;return c},previous:function(a){return!arguments.length||
!this._previousAttributes?null:this._previousAttributes[a]},previousAttributes:function(){return f.clone(this._previousAttributes)},isValid:function(){return!this.validate(this.attributes)},_validate:function(a,b){if(b.silent||!this.validate)return!0;var a=f.extend({},this.attributes,a),c=this.validate(a,b);if(!c)return!0;b&&b.error?b.error(this,c,b):this.trigger("error",this,c,b);return!1}});var r=g.Collection=function(a,b){b||(b={});b.model&&(this.model=b.model);b.comparator&&(this.comparator=b.comparator);
this._reset();this.initialize.apply(this,arguments);a&&this.reset(a,{silent:!0,parse:b.parse})};f.extend(r.prototype,k,{model:o,initialize:function(){},toJSON:function(a){return this.map(function(b){return b.toJSON(a)})},add:function(a,b){var c,d,e,g,i,j={},k={},l=[];b||(b={});a=f.isArray(a)?a.slice():[a];c=0;for(d=a.length;c<d;c++){if(!(e=a[c]=this._prepareModel(a[c],b)))throw Error("Can't add an invalid model to a collection");g=e.cid;i=e.id;j[g]||this._byCid[g]||null!=i&&(k[i]||this._byId[i])?
l.push(c):j[g]=k[i]=e}for(c=l.length;c--;)a.splice(l[c],1);c=0;for(d=a.length;c<d;c++)(e=a[c]).on("all",this._onModelEvent,this),this._byCid[e.cid]=e,null!=e.id&&(this._byId[e.id]=e);this.length+=d;A.apply(this.models,[null!=b.at?b.at:this.models.length,0].concat(a));this.comparator&&this.sort({silent:!0});if(b.silent)return this;c=0;for(d=this.models.length;c<d;c++)if(j[(e=this.models[c]).cid])b.index=c,e.trigger("add",e,this,b);return this},remove:function(a,b){var c,d,e,g;b||(b={});a=f.isArray(a)?
a.slice():[a];c=0;for(d=a.length;c<d;c++)if(g=this.getByCid(a[c])||this.get(a[c]))delete this._byId[g.id],delete this._byCid[g.cid],e=this.indexOf(g),this.models.splice(e,1),this.length--,b.silent||(b.index=e,g.trigger("remove",g,this,b)),this._removeReference(g);return this},push:function(a,b){a=this._prepareModel(a,b);this.add(a,b);return a},pop:function(a){var b=this.at(this.length-1);this.remove(b,a);return b},unshift:function(a,b){a=this._prepareModel(a,b);this.add(a,f.extend({at:0},b));return a},
shift:function(a){var b=this.at(0);this.remove(b,a);return b},get:function(a){return null==a?void 0:this._byId[null!=a.id?a.id:a]},getByCid:function(a){return a&&this._byCid[a.cid||a]},at:function(a){return this.models[a]},where:function(a){return f.isEmpty(a)?[]:this.filter(function(b){for(var c in a)if(a[c]!==b.get(c))return!1;return!0})},sort:function(a){a||(a={});if(!this.comparator)throw Error("Cannot sort a set without a comparator");var b=f.bind(this.comparator,this);1==this.comparator.length?
this.models=this.sortBy(b):this.models.sort(b);a.silent||this.trigger("reset",this,a);return this},pluck:function(a){return f.map(this.models,function(b){return b.get(a)})},reset:function(a,b){a||(a=[]);b||(b={});for(var c=0,d=this.models.length;c<d;c++)this._removeReference(this.models[c]);this._reset();this.add(a,f.extend({silent:!0},b));b.silent||this.trigger("reset",this,b);return this},fetch:function(a){a=a?f.clone(a):{};void 0===a.parse&&(a.parse=!0);var b=this,c=a.success;a.success=function(d,
e,f){b[a.add?"add":"reset"](b.parse(d,f),a);c&&c(b,d)};a.error=g.wrapError(a.error,b,a);return(this.sync||g.sync).call(this,"read",this,a)},create:function(a,b){var c=this,b=b?f.clone(b):{},a=this._prepareModel(a,b);if(!a)return!1;b.wait||c.add(a,b);var d=b.success;b.success=function(e,f){b.wait&&c.add(e,b);d?d(e,f):e.trigger("sync",a,f,b)};a.save(null,b);return a},parse:function(a){return a},chain:function(){return f(this.models).chain()},_reset:function(){this.length=0;this.models=[];this._byId=
{};this._byCid={}},_prepareModel:function(a,b){b||(b={});a instanceof o?a.collection||(a.collection=this):(b.collection=this,a=new this.model(a,b),a._validate(a.attributes,b)||(a=!1));return a},_removeReference:function(a){this==a.collection&&delete a.collection;a.off("all",this._onModelEvent,this)},_onModelEvent:function(a,b,c,d){("add"==a||"remove"==a)&&c!=this||("destroy"==a&&this.remove(b,d),b&&a==="change:"+b.idAttribute&&(delete this._byId[b.previous(b.idAttribute)],this._byId[b.id]=b),this.trigger.apply(this,
arguments))}});f.each("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".split(","),function(a){r.prototype[a]=function(){return f[a].apply(f,[this.models].concat(f.toArray(arguments)))}});var u=g.Router=function(a){a||(a={});a.routes&&(this.routes=a.routes);this._bindRoutes();this.initialize.apply(this,arguments)},B=/:\w+/g,
C=/\*\w+/g,D=/[-[\]{}()+?.,\\^$|#\s]/g;f.extend(u.prototype,k,{initialize:function(){},route:function(a,b,c){g.history||(g.history=new m);f.isRegExp(a)||(a=this._routeToRegExp(a));c||(c=this[b]);g.history.route(a,f.bind(function(d){d=this._extractParameters(a,d);c&&c.apply(this,d);this.trigger.apply(this,["route:"+b].concat(d));g.history.trigger("route",this,b,d)},this));return this},navigate:function(a,b){g.history.navigate(a,b)},_bindRoutes:function(){if(this.routes){var a=[],b;for(b in this.routes)a.unshift([b,
this.routes[b]]);b=0;for(var c=a.length;b<c;b++)this.route(a[b][0],a[b][1],this[a[b][1]])}},_routeToRegExp:function(a){a=a.replace(D,"\\$&").replace(B,"([^/]+)").replace(C,"(.*?)");return RegExp("^"+a+"$")},_extractParameters:function(a,b){return a.exec(b).slice(1)}});var m=g.History=function(){this.handlers=[];f.bindAll(this,"checkUrl")},s=/^[#\/]/,E=/msie [\w.]+/;m.started=!1;f.extend(m.prototype,k,{interval:50,getHash:function(a){return(a=(a?a.location:window.location).href.match(/#(.*)$/))?a[1]:
""},getFragment:function(a,b){if(null==a)if(this._hasPushState||b){var a=window.location.pathname,c=window.location.search;c&&(a+=c)}else a=this.getHash();a.indexOf(this.options.root)||(a=a.substr(this.options.root.length));return a.replace(s,"")},start:function(a){if(m.started)throw Error("Backbone.history has already been started");m.started=!0;this.options=f.extend({},{root:"/"},this.options,a);this._wantsHashChange=!1!==this.options.hashChange;this._wantsPushState=!!this.options.pushState;this._hasPushState=
!(!this.options.pushState||!window.history||!window.history.pushState);var a=this.getFragment(),b=document.documentMode;if(b=E.exec(navigator.userAgent.toLowerCase())&&(!b||7>=b))this.iframe=i('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo("body")[0].contentWindow,this.navigate(a);this._hasPushState?i(window).bind("popstate",this.checkUrl):this._wantsHashChange&&"onhashchange"in window&&!b?i(window).bind("hashchange",this.checkUrl):this._wantsHashChange&&(this._checkUrlInterval=setInterval(this.checkUrl,
this.interval));this.fragment=a;a=window.location;b=a.pathname==this.options.root;if(this._wantsHashChange&&this._wantsPushState&&!this._hasPushState&&!b)return this.fragment=this.getFragment(null,!0),window.location.replace(this.options.root+"#"+this.fragment),!0;this._wantsPushState&&this._hasPushState&&b&&a.hash&&(this.fragment=this.getHash().replace(s,""),window.history.replaceState({},document.title,a.protocol+"//"+a.host+this.options.root+this.fragment));if(!this.options.silent)return this.loadUrl()},
stop:function(){i(window).unbind("popstate",this.checkUrl).unbind("hashchange",this.checkUrl);clearInterval(this._checkUrlInterval);m.started=!1},route:function(a,b){this.handlers.unshift({route:a,callback:b})},checkUrl:function(){var a=this.getFragment();a==this.fragment&&this.iframe&&(a=this.getFragment(this.getHash(this.iframe)));if(a==this.fragment)return!1;this.iframe&&this.navigate(a);this.loadUrl()||this.loadUrl(this.getHash())},loadUrl:function(a){var b=this.fragment=this.getFragment(a);return f.any(this.handlers,
function(a){if(a.route.test(b))return a.callback(b),!0})},navigate:function(a,b){if(!m.started)return!1;if(!b||!0===b)b={trigger:b};var c=(a||"").replace(s,"");this.fragment!=c&&(this._hasPushState?(0!=c.indexOf(this.options.root)&&(c=this.options.root+c),this.fragment=c,window.history[b.replace?"replaceState":"pushState"]({},document.title,c)):this._wantsHashChange?(this.fragment=c,this._updateHash(window.location,c,b.replace),this.iframe&&c!=this.getFragment(this.getHash(this.iframe))&&(b.replace||
this.iframe.document.open().close(),this._updateHash(this.iframe.location,c,b.replace))):window.location.assign(this.options.root+a),b.trigger&&this.loadUrl(a))},_updateHash:function(a,b,c){c?a.replace(a.toString().replace(/(javascript:|#).*$/,"")+"#"+b):a.hash=b}});var v=g.View=function(a){this.cid=f.uniqueId("view");this._configure(a||{});this._ensureElement();this.initialize.apply(this,arguments);this.delegateEvents()},F=/^(\S+)\s*(.*)$/,w="model,collection,el,id,attributes,className,tagName".split(",");
f.extend(v.prototype,k,{tagName:"div",$:function(a){return this.$el.find(a)},initialize:function(){},render:function(){return this},remove:function(){this.$el.remove();return this},make:function(a,b,c){a=document.createElement(a);b&&i(a).attr(b);c&&i(a).html(c);return a},setElement:function(a,b){this.$el&&this.undelegateEvents();this.$el=a instanceof i?a:i(a);this.el=this.$el[0];!1!==b&&this.delegateEvents();return this},delegateEvents:function(a){if(a||(a=n(this,"events"))){this.undelegateEvents();
for(var b in a){var c=a[b];f.isFunction(c)||(c=this[a[b]]);if(!c)throw Error('Method "'+a[b]+'" does not exist');var d=b.match(F),e=d[1],d=d[2],c=f.bind(c,this),e=e+(".delegateEvents"+this.cid);""===d?this.$el.bind(e,c):this.$el.delegate(d,e,c)}}},undelegateEvents:function(){this.$el.unbind(".delegateEvents"+this.cid)},_configure:function(a){this.options&&(a=f.extend({},this.options,a));for(var b=0,c=w.length;b<c;b++){var d=w[b];a[d]&&(this[d]=a[d])}this.options=a},_ensureElement:function(){if(this.el)this.setElement(this.el,
!1);else{var a=n(this,"attributes")||{};this.id&&(a.id=this.id);this.className&&(a["class"]=this.className);this.setElement(this.make(this.tagName,a),!1)}}});o.extend=r.extend=u.extend=v.extend=function(a,b){var c=G(this,a,b);c.extend=this.extend;return c};var H={create:"POST",update:"PUT","delete":"DELETE",read:"GET"};g.sync=function(a,b,c){var d=H[a];c||(c={});var e={type:d,dataType:"json"};c.url||(e.url=n(b,"url")||t());if(!c.data&&b&&("create"==a||"update"==a))e.contentType="application/json",
e.data=JSON.stringify(b.toJSON());g.emulateJSON&&(e.contentType="application/x-www-form-urlencoded",e.data=e.data?{model:e.data}:{});if(g.emulateHTTP&&("PUT"===d||"DELETE"===d))g.emulateJSON&&(e.data._method=d),e.type="POST",e.beforeSend=function(a){a.setRequestHeader("X-HTTP-Method-Override",d)};"GET"!==e.type&&!g.emulateJSON&&(e.processData=!1);return i.ajax(f.extend(e,c))};g.wrapError=function(a,b,c){return function(d,e){e=d===b?e:d;a?a(b,e,c):b.trigger("error",b,e,c)}};var x=function(){},G=function(a,
b,c){var d;d=b&&b.hasOwnProperty("constructor")?b.constructor:function(){a.apply(this,arguments)};f.extend(d,a);x.prototype=a.prototype;d.prototype=new x;b&&f.extend(d.prototype,b);c&&f.extend(d,c);d.prototype.constructor=d;d.__super__=a.prototype;return d},n=function(a,b){return!a||!a[b]?null:f.isFunction(a[b])?a[b]():a[b]},t=function(){throw Error('A "url" property or function must be specified');}}).call(this);
labs/dependency-examples/thorax_require/js/lib/backbone/localstorage.js deleted 100644 → 0
View file @ 23457d50
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labs/dependency-examples/thorax_require/js/lib/require/text.js deleted 100644 → 0
View file @ 23457d50
/**
* @license RequireJS text 2.0.1 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
* Available via the MIT or new BSD license.
* see: http://github.com/requirejs/text for details
*/
/*jslint regexp: true */
/*global require: false, XMLHttpRequest: false, ActiveXObject: false,
define: false, window: false, process: false, Packages: false,
java: false, location: false */
define(['module'], function (module) {
'use strict';
var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'],
xmlRegExp = /^\s*<\?xml(\s)+version=[\'\"](\d)*.(\d)*[\'\"](\s)*\?>/im,
bodyRegExp = /<body[^>]*>\s*([\s\S]+)\s*<\/body>/im,
hasLocation = typeof location !== 'undefined' && location.href,
defaultProtocol = hasLocation && location.protocol && location.protocol.replace(/\:/, ''),
defaultHostName = hasLocation && location.hostname,
defaultPort = hasLocation && (location.port || undefined),
buildMap = [],
masterConfig = (module.config && module.config()) || {},
text, fs;
text = {
version: '2.0.1',
strip: function (content) {
//Strips <?xml ...?> declarations so that external SVG and XML
//documents can be added to a document without worry. Also, if the string
//is an HTML document, only the part inside the body tag is returned.
if (content) {
content = content.replace(xmlRegExp, "");
var matches = content.match(bodyRegExp);
if (matches) {
content = matches[1];
}
} else {
content = "";
}
return content;
},
jsEscape: function (content) {
return content.replace(/(['\\])/g, '\\$1')
.replace(/[\f]/g, "\\f")
.replace(/[\b]/g, "\\b")
.replace(/[\n]/g, "\\n")
.replace(/[\t]/g, "\\t")
.replace(/[\r]/g, "\\r")
.replace(/[\u2028]/g, "\\u2028")
.replace(/[\u2029]/g, "\\u2029");
},
createXhr: masterConfig.createXhr || function () {
//Would love to dump the ActiveX crap in here. Need IE 6 to die first.
var xhr, i, progId;
if (typeof XMLHttpRequest !== "undefined") {
return new XMLHttpRequest();
} else if (typeof ActiveXObject !== "undefined") {
for (i = 0; i < 3; i += 1) {
progId = progIds[i];
try {
xhr = new ActiveXObject(progId);
} catch (e) {}
if (xhr) {
progIds = [progId]; // so faster next time
break;
}
}
}
return xhr;
},
/**
* Parses a resource name into its component parts. Resource names
* look like: module/name.ext!strip, where the !strip part is
* optional.
* @param {String} name the resource name
* @returns {Object} with properties "moduleName", "ext" and "strip"
* where strip is a boolean.
*/
parseName: function (name) {
var strip = false, index = name.indexOf("."),
modName = name.substring(0, index),
ext = name.substring(index + 1, name.length);
index = ext.indexOf("!");
if (index !== -1) {
//Pull off the strip arg.
strip = ext.substring(index + 1, ext.length);
strip = strip === "strip";
ext = ext.substring(0, index);
}
return {
moduleName: modName,
ext: ext,
strip: strip
};
},
xdRegExp: /^((\w+)\:)?\/\/([^\/\\]+)/,
/**
* Is an URL on another domain. Only works for browser use, returns
* false in non-browser environments. Only used to know if an
* optimized .js version of a text resource should be loaded
* instead.
* @param {String} url
* @returns Boolean
*/
useXhr: function (url, protocol, hostname, port) {
var match = text.xdRegExp.exec(url),
uProtocol, uHostName, uPort;
if (!match) {
return true;
}
uProtocol = match[2];
uHostName = match[3];
uHostName = uHostName.split(':');
uPort = uHostName[1];
uHostName = uHostName[0];
return (!uProtocol || uProtocol === protocol) &&
(!uHostName || uHostName.toLowerCase() === hostname.toLowerCase()) &&
((!uPort && !uHostName) || uPort === port);
},
finishLoad: function (name, strip, content, onLoad) {
content = strip ? text.strip(content) : content;
if (masterConfig.isBuild) {
buildMap[name] = content;
}
onLoad(content);
},
load: function (name, req, onLoad, config) {
//Name has format: some.module.filext!strip
//The strip part is optional.
//if strip is present, then that means only get the string contents
//inside a body tag in an HTML string. For XML/SVG content it means
//removing the <?xml ...?> declarations so the content can be inserted
//into the current doc without problems.
// Do not bother with the work if a build and text will
// not be inlined.
if (config.isBuild && !config.inlineText) {
onLoad();
return;
}
masterConfig.isBuild = config.isBuild;
var parsed = text.parseName(name),
nonStripName = parsed.moduleName + '.' + parsed.ext,
url = req.toUrl(nonStripName),
useXhr = (masterConfig.useXhr) ||
text.useXhr;
//Load the text. Use XHR if possible and in a browser.
if (!hasLocation || useXhr(url, defaultProtocol, defaultHostName, defaultPort)) {
text.get(url, function (content) {
text.finishLoad(name, parsed.strip, content, onLoad);
}, function (err) {
if (onLoad.error) {
onLoad.error(err);
}
});
} else {
//Need to fetch the resource across domains. Assume
//the resource has been optimized into a JS module. Fetch
//by the module name + extension, but do not include the
//!strip part to avoid file system issues.
req([nonStripName], function (content) {
text.finishLoad(parsed.moduleName + '.' + parsed.ext,
parsed.strip, content, onLoad);
});
}
},
write: function (pluginName, moduleName, write, config) {
if (buildMap.hasOwnProperty(moduleName)) {
var content = text.jsEscape(buildMap[moduleName]);
write.asModule(pluginName + "!" + moduleName,
"define(function () { return '" +
content +
"';});\n");
}
},
writeFile: function (pluginName, moduleName, req, write, config) {
var parsed = text.parseName(moduleName),
nonStripName = parsed.moduleName + '.' + parsed.ext,
//Use a '.js' file name so that it indicates it is a
//script that can be loaded across domains.
fileName = req.toUrl(parsed.moduleName + '.' +
parsed.ext) + '.js';
//Leverage own load() method to load plugin value, but only
//write out values that do not have the strip argument,
//to avoid any potential issues with ! in file names.
text.load(nonStripName, req, function (value) {
//Use own write() method to construct full module value.
//But need to create shell that translates writeFile's
//write() to the right interface.
var textWrite = function (contents) {
return write(fileName, contents);
};
textWrite.asModule = function (moduleName, contents) {
return write.asModule(moduleName, fileName, contents);
};
text.write(pluginName, nonStripName, textWrite, config);
}, config);
}
};
if (typeof process !== "undefined" &&
process.versions &&
!!process.versions.node) {
//Using special require.nodeRequire, something added by r.js.
fs = require.nodeRequire('fs');
text.get = function (url, callback) {
var file = fs.readFileSync(url, 'utf8');
//Remove BOM (Byte Mark Order) from utf8 files if it is there.
if (file.indexOf('\uFEFF') === 0) {
file = file.substring(1);
}
callback(file);
};
} else if (text.createXhr()) {
text.get = function (url, callback, errback) {
var xhr = text.createXhr();
xhr.open('GET', url, true);
//Allow overrides specified in config
if (masterConfig.onXhr) {
masterConfig.onXhr(xhr, url);
}
xhr.onreadystatechange = function (evt) {
var status, err;
//Do not explicitly handle errors, those should be
//visible via console output in the browser.
if (xhr.readyState === 4) {
status = xhr.status;
if (status > 399 && status < 600) {
//An http 4xx or 5xx error. Signal an error.
err = new Error(url + ' HTTP status: ' + status);
err.xhr = xhr;
errback(err);
} else {
callback(xhr.responseText);
}
}
};
xhr.send(null);
};
} else if (typeof Packages !== 'undefined') {
//Why Java, why is this so awkward?
text.get = function (url, callback) {
var encoding = "utf-8",
file = new java.io.File(url),
lineSeparator = java.lang.System.getProperty("line.separator"),
input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(file), encoding)),
stringBuffer, line,
content = '';
try {
stringBuffer = new java.lang.StringBuffer();
line = input.readLine();
// Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324
// http://www.unicode.org/faq/utf_bom.html
// Note that when we use utf-8, the BOM should appear as "EF BB BF", but it doesn't due to this bug in the JDK:
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058
if (line && line.length() && line.charAt(0) === 0xfeff) {
// Eat the BOM, since we've already found the encoding on this file,
// and we plan to concatenating this buffer with others; the BOM should
// only appear at the top of a file.
line = line.substring(1);
}
stringBuffer.append(line);
while ((line = input.readLine()) !== null) {
stringBuffer.append(lineSeparator);
stringBuffer.append(line);
}
//Make sure we return a JavaScript string and not a Java string.
content = String(stringBuffer.toString()); //String
} finally {
input.close();
}
callback(content);
};
}
return text;
});
labs/dependency-examples/thorax_require/js/lib/thorax.js deleted 100644 → 0
View file @ 23457d50
// Copyright (c) 2011-2012 @WalmartLabs
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
(function() {
var Thorax;
//support zepto.forEach on jQuery
if (!$.fn.forEach) {
$.fn.forEach = function(iterator, context) {
$.fn.each.call(this, function(index) {
iterator.call(context || this, this, index);
});
}
}
if (typeof exports !== 'undefined') {
Thorax = exports;
} else {
Thorax = this.Thorax = {};
}
Thorax.VERSION = '2.0.0b3';
var handlebarsExtension = 'handlebars',
handlebarsExtensionRegExp = new RegExp('\\.' + handlebarsExtension + '$'),
viewNameAttributeName = 'data-view-name',
viewCidAttributeName = 'data-view-cid',
viewPlaceholderAttributeName = 'data-view-tmp',
viewHelperAttributeName = 'data-view-helper',
elementPlaceholderAttributeName = 'data-element-tmp';
_.extend(Thorax, {
templatePathPrefix: '',
//view instances
_viewsIndexedByCid: {},
templates: {},
//view classes
Views: {},
//certain error prone pieces of code (on Android only it seems)
//are wrapped in a try catch block, then trigger this handler in
//the catch, with the name of the function or event that was
//trying to be executed. Override this with a custom handler
//to debug / log / etc
onException: function(name, err) {
throw err;
}
});
Thorax.Util = {
createRegistryWrapper: function(klass, hash) {
var $super = klass.extend;
klass.extend = function() {
var child = $super.apply(this, arguments);
if (child.prototype.name) {
hash[child.prototype.name] = child;
}
return child;
};
},
registryGet: function(object, type, name, ignoreErrors) {
if (type === 'templates') {
//append the template path prefix if it is missing
var pathPrefix = Thorax.templatePathPrefix;
if (pathPrefix && pathPrefix.length && name && name.substr(0, pathPrefix.length) !== pathPrefix) {
name = pathPrefix + name;
}
}
var target = object[type],
value;
if (name.match(/\./)) {
var bits = name.split(/\./);
name = bits.pop();
bits.forEach(function(key) {
target = target[key];
});
} else {
value = target[name];
}
if (!target && !ignoreErrors) {
throw new Error(type + ': ' + name + ' does not exist.');
} else {
var value = target[name];
if (type === 'templates' && typeof value === 'string') {
value = target[name] = Handlebars.compile(value);
}
return value;
}
},
getViewInstance: function(name, attributes) {
attributes['class'] && (attributes.className = attributes['class']);
attributes.tag && (attributes.tagName = attributes.tag);
if (typeof name === 'string') {
var klass = Thorax.Util.registryGet(Thorax, 'Views', name, false);
return klass.cid ? _.extend(klass, attributes || {}) : new klass(attributes);
} else if (typeof name === 'function') {
return new name(attributes);
} else {
return name;
}
},
getValue: function (object, prop) {
if (!(object && object[prop])) {
return null;
}
return _.isFunction(object[prop])
? object[prop].apply(object, Array.prototype.slice.call(arguments, 2))
: object[prop];
},
//'selector' is not present in $('<p></p>')
//TODO: investigage a better detection method
is$: function(obj) {
return typeof obj === 'object' && ('length' in obj);
},
expandToken: function(input, scope) {
if (input && input.indexOf && input.indexOf('{' + '{') >= 0) {
var re = /(?:\{?[^{]+)|(?:\{\{([^}]+)\}\})/g,
match,
ret = [];
function deref(token, scope) {
var segments = token.split('.'),
len = segments.length;
for (var i = 0; scope && i < len; i++) {
if (segments[i] !== 'this') {
scope = scope[segments[i]];
}
}
return scope;
}
while (match = re.exec(input)) {
if (match[1]) {
var params = match[1].split(/\s+/);
if (params.length > 1) {
var helper = params.shift();
params = params.map(function(param) { return deref(param, scope); });
if (Handlebars.helpers[helper]) {
ret.push(Handlebars.helpers[helper].apply(scope, params));
} else {
// If the helper is not defined do nothing
ret.push(match[0]);
}
} else {
ret.push(deref(params[0], scope));
}
} else {
ret.push(match[0]);
}
}
input = ret.join('');
}
return input;
},
tag: function(attributes, content, scope) {
var htmlAttributes = _.clone(attributes),
tag = htmlAttributes.tag || htmlAttributes.tagName || 'div';
if (htmlAttributes.tag) {
delete htmlAttributes.tag;
}
if (htmlAttributes.tagName) {
delete htmlAttributes.tagName;
}
return '<' + tag + ' ' + _.map(htmlAttributes, function(value, key) {
if (typeof value === 'undefined') {
return '';
}
var formattedValue = value;
if (scope) {
formattedValue = Thorax.Util.expandToken(value, scope);
}
return key + '="' + Handlebars.Utils.escapeExpression(formattedValue) + '"';
}).join(' ') + '>' + (typeof content === 'undefined' ? '' : content) + '</' + tag + '>';
},
htmlAttributesFromOptions: function(options) {
var htmlAttributes = {};
if (options.tag) {
htmlAttributes.tag = options.tag;
}
if (options.tagName) {
htmlAttributes.tagName = options.tagName;
}
if (options['class']) {
htmlAttributes['class'] = options['class'];
}
if (options.id) {
htmlAttributes.id = options.id;
}
return htmlAttributes;
},
_cloneEvents: function(source, target, key) {
source[key] = _.clone(target[key]);
//need to deep clone events array
_.each(source[key], function(value, _key) {
if (_.isArray(value)) {
target[key][_key] = _.clone(value);
}
});
}
};
Thorax.View = Backbone.View.extend({
constructor: function() {
var response = Thorax.View.__super__.constructor.apply(this, arguments);
if (this.model) {
//need to null this.model so setModel will not treat
//it as the old model and immediately return
var model = this.model;
this.model = null;
this.setModel(model);
}
return response;
},
_configure: function(options) {
this._modelEvents = [];
this._collectionEvents = [];
Thorax._viewsIndexedByCid[this.cid] = this;
this.children = {};
this._renderCount = 0;
//this.options is removed in Thorax.View, we merge passed
//properties directly with the view and template context
_.extend(this, options || {});
//compile a string if it is set as this.template
if (typeof this.template === 'string') {
this.template = Handlebars.compile(this.template);
} else if (this.name && !this.template) {
//fetch the template
this.template = Thorax.Util.registryGet(Thorax, 'templates', this.name, true);
}
//HelperView will not have mixins so need to check
this.constructor.mixins && _.each(this.constructor.mixins, applyMixin, this);
this.mixins && _.each(this.mixins, applyMixin, this);
//_events not present on HelperView
this.constructor._events && this.constructor._events.forEach(function(event) {
this.on.apply(this, event);
}, this);
if (this.events) {
_.each(Thorax.Util.getValue(this, 'events'), function(handler, eventName) {
this.on(eventName, handler, this);
}, this);
}
},
_ensureElement : function() {
Backbone.View.prototype._ensureElement.call(this);
if (this.name) {
this.$el.attr(viewNameAttributeName, this.name);
}
this.$el.attr(viewCidAttributeName, this.cid);
},
_addChild: function(view) {
this.children[view.cid] = view;
if (!view.parent) {
view.parent = this;
}
return view;
},
destroy: function(options) {
options = _.defaults(options || {}, {
children: true
});
this.trigger('destroyed');
delete Thorax._viewsIndexedByCid[this.cid];
_.each(this.children, function(child) {
if (options.children) {
child.parent = null;
child.destroy();
}
});
if (options.children) {
this.children = {};
}
},
render: function(output) {
if (typeof output === 'undefined' || (!_.isElement(output) && !Thorax.Util.is$(output) && !(output && output.el) && typeof output !== 'string' && typeof output !== 'function')) {
if (!this.template) {
//if the name was set after the view was created try one more time to fetch a template
if (this.name) {
this.template = Thorax.Util.registryGet(Thorax, 'templates', this.name, true);
}
if (!this.template) {
throw new Error('View ' + (this.name || this.cid) + '.render() was called with no content and no template set on the view.');
}
}
output = this.renderTemplate(this.template);
} else if (typeof output === 'function') {
output = this.renderTemplate(output);
}
//accept a view, string, Handlebars.SafeString or DOM element
this.html((output && output.el) || (output && output.string) || output);
++this._renderCount;
this.trigger('rendered');
return output;
},
context: function() {
return this;
},
_getContext: function(attributes) {
var data = _.extend({}, Thorax.Util.getValue(this, 'context'), attributes || {}, {
cid: _.uniqueId('t'),
yield: function() {
return data.fn && data.fn(data);
},
_view: this
});
return data;
},
renderTemplate: function(file, data, ignoreErrors) {
var template;
data = this._getContext(data);
if (typeof file === 'function') {
template = file;
} else {
template = this._loadTemplate(file);
}
if (!template) {
if (ignoreErrors) {
return ''
} else {
throw new Error('Unable to find template ' + file);
}
} else {
return template(data);
}
},
_loadTemplate: function(file, ignoreErrors) {
return Thorax.Util.registryGet(Thorax, 'templates', file, ignoreErrors);
},
ensureRendered: function() {
!this._renderCount && this.render();
},
html: function(html) {
if (typeof html === 'undefined') {
return this.el.innerHTML;
} else {
var element = this.$el.html(html);
this._appendViews();
this._appendElements();
return element;
}
}
});
Thorax.View.extend = function() {
var child = Backbone.View.extend.apply(this, arguments);
child.mixins = _.clone(this.mixins);
Thorax.Util._cloneEvents(this, child, '_events');
Thorax.Util._cloneEvents(this, child, '_modelEvents');
Thorax.Util._cloneEvents(this, child, '_collectionEvents');
return child;
};
Thorax.Util.createRegistryWrapper(Thorax.View, Thorax.Views);
//helpers
Handlebars.registerHelper('super', function() {
var parent = this._view.constructor && this._view.constructor.__super__;
if (parent) {
var template = parent.template;
if (!template) {
if (!parent.name) {
throw new Error('Cannot use super helper when parent has no name or template.');
}
template = Thorax.Util.registryGet(Thorax, 'templates', parent.name, false);
}
if (typeof template === 'string') {
template = Handlebars.compile(template);
}
return new Handlebars.SafeString(template(this));
} else {
return '';
}
});
Handlebars.registerHelper('template', function(name, options) {
var context = _.extend({fn: options && options.fn}, this, options ? options.hash : {});
var output = Thorax.View.prototype.renderTemplate.call(this._view, name, context);
return new Handlebars.SafeString(output);
});
//view helper
var viewTemplateOverrides = {};
Handlebars.registerHelper('view', function(view, options) {
if (arguments.length === 1) {
options = view;
view = Thorax.View;
}
var instance = Thorax.Util.getViewInstance(view, options ? options.hash : {}),
placeholder_id = instance.cid + '-' + _.uniqueId('placeholder');
this._view._addChild(instance);
this._view.trigger('child', instance);
if (options.fn) {
viewTemplateOverrides[placeholder_id] = options.fn;
}
var htmlAttributes = Thorax.Util.htmlAttributesFromOptions(options.hash);
htmlAttributes[viewPlaceholderAttributeName] = placeholder_id;
return new Handlebars.SafeString(Thorax.Util.tag.call(this, htmlAttributes));
});
Thorax.HelperView = Thorax.View.extend({
_ensureElement: function() {
Thorax.View.prototype._ensureElement.apply(this, arguments);
this.$el.attr(viewHelperAttributeName, this._helperName);
},
context: function() {
return this.parent.context.apply(this.parent, arguments);
}
});
//ensure nested inline helpers will always have this.parent
//set to the view containing the template
function getParent(parent) {
while (parent._helperName) {
parent = parent.parent;
}
return parent;
}
Handlebars.registerViewHelper = function(name, viewClass, callback) {
if (arguments.length === 2) {
options = {};
callback = arguments[1];
viewClass = Thorax.HelperView;
}
Handlebars.registerHelper(name, function() {
var args = _.toArray(arguments),
options = args.pop(),
viewOptions = {
template: options.fn,
inverse: options.inverse,
options: options.hash,
parent: getParent(this._view),
_helperName: name
};
options.hash.id && (viewOptions.id = options.hash.id);
options.hash['class'] && (viewOptions.className = options.hash['class']);
options.hash.className && (viewOptions.className = options.hash.className);
options.hash.tag && (viewOptions.tagName = options.hash.tag);
options.hash.tagName && (viewOptions.tagName = options.hash.tagName);
var instance = new viewClass(viewOptions);
args.push(instance);
this._view.children[instance.cid] = instance;
this._view.trigger.apply(this._view, ['helper', name].concat(args));
this._view.trigger.apply(this._view, ['helper:' + name].concat(args));
var htmlAttributes = Thorax.Util.htmlAttributesFromOptions(options.hash);
htmlAttributes[viewPlaceholderAttributeName] = instance.cid;
callback.apply(this, args);
return new Handlebars.SafeString(Thorax.Util.tag(htmlAttributes, ''));
});
var helper = Handlebars.helpers[name];
return helper;
};
//called from View.prototype.html()
Thorax.View.prototype._appendViews = function(scope, callback) {
(scope || this.$el).find('[' + viewPlaceholderAttributeName + ']').forEach(function(el) {
var placeholder_id = el.getAttribute(viewPlaceholderAttributeName),
cid = placeholder_id.replace(/\-placeholder\d+$/, ''),
view = this.children[cid];
//if was set with a helper
if (_.isFunction(view)) {
view = view.call(this._view);
}
if (view) {
//see if the view helper declared an override for the view
//if not, ensure the view has been rendered at least once
if (viewTemplateOverrides[placeholder_id]) {
view.render(viewTemplateOverrides[placeholder_id](view._getContext()));
} else {
view.ensureRendered();
}
$(el).replaceWith(view.el);
//TODO: jQuery has trouble with delegateEvents() when
//the child dom node is detached then re-attached
if (typeof jQuery !== 'undefined' && $ === jQuery) {
if (this._renderCount > 1) {
view.delegateEvents();
}
}
callback && callback(view.el);
}
}, this);
};
//element helper
Handlebars.registerHelper('element', function(element, options) {
var cid = _.uniqueId('element'),
htmlAttributes = Thorax.Util.htmlAttributesFromOptions(options.hash);
htmlAttributes[elementPlaceholderAttributeName] = cid;
this._view._elementsByCid || (this._view._elementsByCid = {});
this._view._elementsByCid[cid] = element;
return new Handlebars.SafeString(Thorax.Util.tag.call(this, htmlAttributes));
});
Thorax.View.prototype._appendElements = function(scope, callback) {
(scope || this.$el).find('[' + elementPlaceholderAttributeName + ']').forEach(function(el) {
var cid = el.getAttribute(elementPlaceholderAttributeName),
element = this._elementsByCid[cid];
if (_.isFunction(element)) {
element = element.call(this._view);
}
$(el).replaceWith(element);
callback && callback(element);
}, this);
};
//$(selector).view() helper
$.fn.view = function(options) {
options = _.defaults(options || {}, {
helper: true
});
var selector = '[' + viewCidAttributeName + ']';
if (!options.helper) {
selector += ':not([' + viewHelperAttributeName + '])';
}
var el = $(this).closest(selector);
return (el && Thorax._viewsIndexedByCid[el.attr(viewCidAttributeName)]) || false;
};
_.extend(Thorax.View, {
mixins: [],
mixin: function(mixin) {
this.mixins.push(mixin);
}
});
function applyMixin(mixin) {
if (_.isArray(mixin)) {
this.mixin.apply(this, mixin);
} else {
this.mixin(mixin);
}
}
var _destroy = Thorax.View.prototype.destroy,
_on = Thorax.View.prototype.on,
_delegateEvents = Thorax.View.prototype.delegateEvents;
_.extend(Thorax.View, {
_events: [],
on: function(eventName, callback) {
if (eventName === 'model' && typeof callback === 'object') {
return addEvents(this._modelEvents, callback);
}
if (eventName === 'collection' && typeof callback === 'object') {
return addEvents(this._collectionEvents, callback);
}
//accept on({"rendered": handler})
if (typeof eventName === 'object') {
_.each(eventName, function(value, key) {
this.on(key, value);
}, this);
} else {
//accept on({"rendered": [handler, handler]})
if (_.isArray(callback)) {
callback.forEach(function(cb) {
this._events.push([eventName, cb]);
}, this);
//accept on("rendered", handler)
} else {
this._events.push([eventName, callback]);
}
}
return this;
}
});
_.extend(Thorax.View.prototype, {
freeze: function(options) {
this.model && this._unbindModelEvents();
options = _.defaults(options || {}, {
dom: true,
children: true
});
this._eventArgumentsToUnbind && this._eventArgumentsToUnbind.forEach(function(args) {
args[0].off(args[1], args[2], args[3]);
});
this._eventArgumentsToUnbind = [];
this.off();
if (options.dom) {
this.undelegateEvents();
}
this.trigger('freeze');
if (options.children) {
_.each(this.children, function(child, id) {
child.freeze(options);
}, this);
}
},
destroy: function() {
var response = _destroy.apply(this, arguments);
this.freeze();
return response;
},
on: function(eventName, callback, context) {
if (eventName === 'model' && typeof callback === 'object') {
return addEvents(this._modelEvents, callback);
}
if (eventName === 'collection' && typeof callback === 'object') {
return addEvents(this._collectionEvents, callback);
}
if (typeof eventName === 'object') {
//accept on({"rendered": callback})
if (arguments.length === 1) {
_.each(eventName, function(value, key) {
this.on(key, value, this);
}, this);
//events on other objects to auto dispose of when view frozen
//on(targetObj, 'eventName', callback, context)
} else if (arguments.length > 1) {
if (!this._eventArgumentsToUnbind) {
this._eventArgumentsToUnbind = [];
}
var args = Array.prototype.slice.call(arguments);
this._eventArgumentsToUnbind.push(args);
args[0].on.apply(args[0], args.slice(1));
}
} else {
//accept on("rendered", callback, context)
//accept on("click a", callback, context)
(_.isArray(callback) ? callback : [callback]).forEach(function(callback) {
var params = eventParamsFromEventItem.call(this, eventName, callback, context || this);
if (params.type === 'DOM') {
//will call _addEvent during delegateEvents()
if (!this._eventsToDelegate) {
this._eventsToDelegate = [];
}
this._eventsToDelegate.push(params);
} else {
this._addEvent(params);
}
}, this);
}
return this;
},
delegateEvents: function(events) {
this.undelegateEvents();
if (events) {
if (_.isFunction(events)) {
events = events.call(this);
}
this._eventsToDelegate = [];
this.on(events);
}
this._eventsToDelegate && this._eventsToDelegate.forEach(this._addEvent, this);
},
//params may contain:
//- name
//- originalName
//- selector
//- type "view" || "DOM"
//- handler
_addEvent: function(params) {
if (params.type === 'view') {
params.name.split(/\s+/).forEach(function(name) {
_on.call(this, name, bindEventHandler.call(this, 'view-event:' + params.name, params.handler), params.context || this);
}, this);
} else {
var boundHandler = containHandlerToCurentView(bindEventHandler.call(this, 'dom-event:' + params.name, params.handler), this.cid);
if (params.selector) {
//TODO: determine why collection views and some nested views
//need defered event delegation
var name = params.name + '.delegateEvents' + this.cid;
if (typeof jQuery !== 'undefined' && $ === jQuery) {
_.defer(_.bind(function() {
this.$el.on(name, params.selector, boundHandler);
}, this));
} else {
this.$el.on(name, params.selector, boundHandler);
}
} else {
this.$el.on(name, boundHandler);
}
}
}
});
var eventSplitter = /^(\S+)(?:\s+(.+))?/;
var domEvents = [
'mousedown', 'mouseup', 'mousemove', 'mouseover', 'mouseout',
'touchstart', 'touchend', 'touchmove',
'click', 'dblclick',
'keyup', 'keydown', 'keypress',
'submit', 'change',
'focus', 'blur'
];
var domEventRegexp = new RegExp('^(' + domEvents.join('|') + ')');
function containHandlerToCurentView(handler, cid) {
return function(event) {
var view = $(event.target).view({helper: false});
if (view && view.cid == cid) {
handler(event);
}
}
}
function bindEventHandler(eventName, callback) {
var method = typeof callback === 'function' ? callback : this[callback];
if (!method) {
throw new Error('Event "' + callback + '" does not exist ' + (this.name || this.cid) + ':' + eventName);
}
return _.bind(function() {
try {
method.apply(this, arguments);
} catch (e) {
Thorax.onException('thorax-exception: ' + (this.name || this.cid) + ':' + eventName, e);
}
}, this);
}
function eventParamsFromEventItem(name, handler, context) {
var params = {
originalName: name,
handler: typeof handler === 'string' ? this[handler] : handler
};
if (name.match(domEventRegexp)) {
var match = eventSplitter.exec(name);
params.name = match[1];
params.type = 'DOM';
params.selector = match[2];
} else {
params.name = name;
params.type = 'view';
}
params.context = context;
return params;
}
var modelCidAttributeName = 'data-model-cid',
modelNameAttributeName = 'data-model-name';
Thorax.Model = Backbone.Model.extend({
isEmpty: function() {
return this.isPopulated();
},
isPopulated: function() {
// We are populated if we have attributes set
var attributes = _.clone(this.attributes);
var defaults = _.isFunction(this.defaults) ? this.defaults() : (this.defaults || {});
for (var default_key in defaults) {
if (attributes[default_key] != defaults[default_key]) {
return true;
}
delete attributes[default_key];
}
var keys = _.keys(attributes);
return keys.length > 1 || (keys.length === 1 && keys[0] !== 'id');
}
});
Thorax.Models = {};
Thorax.Util.createRegistryWrapper(Thorax.Model, Thorax.Models);
Thorax.View._modelEvents = [];
function addEvents(target, source) {
_.each(source, function(callback, eventName) {
if (_.isArray(callback)) {
callback.forEach(function(cb) {
target.push([eventName, cb]);
}, this);
} else {
target.push([eventName, callback]);
}
});
}
_.extend(Thorax.View.prototype, {
context: function() {
return _.extend({}, this, (this.model && this.model.attributes) || {});
},
_bindModelEvents: function() {
bindModelEvents.call(this, this.constructor._modelEvents);
bindModelEvents.call(this, this._modelEvents);
},
_unbindModelEvents: function() {
this.model.trigger('freeze');
unbindModelEvents.call(this, this.constructor._modelEvents);
unbindModelEvents.call(this, this._modelEvents);
},
setModel: function(model, options) {
var oldModel = this.model;
if (model === oldModel) {
return this;
}
oldModel && this._unbindModelEvents();
if (model) {
this.$el.attr(modelCidAttributeName, model.cid);
if (model.name) {
this.$el.attr(modelNameAttributeName, model.name);
}
this.model = model;
this._setModelOptions(options);
this._bindModelEvents(options);
this.model.trigger('set', this.model, oldModel);
if (Thorax.Util.shouldFetch(this.model, this._modelOptions)) {
var success = this._modelOptions.success;
this._loadModel(this.model, this._modelOptions);
} else {
//want to trigger built in event handler (render() + populate())
//without triggering event on model
this._onModelChange();
}
} else {
this._modelOptions = false;
this.model = false;
this._onModelChange();
this.$el.removeAttr(modelCidAttributeName);
this.$el.attr(modelNameAttributeName);
}
return this;
},
_onModelChange: function() {
if (!this._modelOptions || (this._modelOptions && this._modelOptions.render)) {
this.render();
}
},
_loadModel: function(model, options) {
model.fetch(options);
},
_setModelOptions: function(options) {
if (!this._modelOptions) {
this._modelOptions = {
fetch: true,
success: false,
render: true,
errors: true
};
}
_.extend(this._modelOptions, options || {});
return this._modelOptions;
}
});
function getEventCallback(callback, context) {
if (typeof callback === 'function') {
return callback;
} else {
return context[callback];
}
}
function bindModelEvents(events) {
events.forEach(function(event) {
//getEventCallback will resolve if it is a string or a method
//and return a method
this.model.on(event[0], getEventCallback(event[1], this), event[2] || this);
}, this);
}
function unbindModelEvents(events) {
events.forEach(function(event) {
this.model.off(event[0], getEventCallback(event[1], this), event[2] || this);
}, this);
}
Thorax.View.on({
model: {
error: function(model, errors){
if (this._modelOptions.errors) {
this.trigger('error', errors);
}
},
change: function() {
this._onModelChange();
}
}
});
Thorax.Util.shouldFetch = function(modelOrCollection, options) {
var getValue = Thorax.Util.getValue,
isCollection = !modelOrCollection.collection && modelOrCollection._byCid && modelOrCollection._byId;
url = (
(!modelOrCollection.collection && getValue(modelOrCollection, 'urlRoot')) ||
(modelOrCollection.collection && getValue(modelOrCollection.collection, 'url')) ||
(isCollection && getValue(modelOrCollection, 'url'))
);
return url && options.fetch && !(
(modelOrCollection.isPopulated && modelOrCollection.isPopulated()) ||
(isCollection
? Thorax.Collection && Thorax.Collection.prototype.isPopulated.call(modelOrCollection)
: Thorax.Model.prototype.isPopulated.call(modelOrCollection)
)
);
};
$.fn.model = function() {
var $this = $(this),
modelElement = $this.closest('[' + modelCidAttributeName + ']'),
modelCid = modelElement && modelElement.attr(modelCidAttributeName);
if (modelCid) {
var view = $this.view();
if (view && view.model && view.model.cid === modelCid) {
return view.model || false;
}
var collection = $this.collection(view);
if (collection) {
return collection._byCid[modelCid] || false;
}
}
return false;
};
var _fetch = Backbone.Collection.prototype.fetch,
_reset = Backbone.Collection.prototype.reset,
collectionCidAttributeName = 'data-collection-cid',
collectionNameAttributeName = 'data-collection-name',
collectionEmptyAttributeName = 'data-collection-empty',
modelCidAttributeName = 'data-model-cid',
modelNameAttributeName = 'data-model-name',
ELEMENT_NODE_TYPE = 1;
Thorax.Collection = Backbone.Collection.extend({
model: Thorax.Model || Backbone.Model,
isEmpty: function() {
if (this.length > 0) {
return false;
} else {
return this.length === 0 && this.isPopulated();
}
},
isPopulated: function() {
return this._fetched || this.length > 0 || (!this.length && !Thorax.Util.getValue(this, 'url'));
},
fetch: function(options) {
options = options || {};
var success = options.success;
options.success = function(collection, response) {
collection._fetched = true;
success && success(collection, response);
};
return _fetch.apply(this, arguments);
},
reset: function(models, options) {
this._fetched = !!models;
return _reset.call(this, models, options);
}
});
Thorax.Collections = {};
Thorax.Util.createRegistryWrapper(Thorax.Collection, Thorax.Collections);
Thorax.View._collectionEvents = [];
//collection view is meant to be initialized via the collection
//helper but can alternatively be initialized programatically
//constructor function handles this case, no logic except for
//super() call will be exectued when initialized via collection helper
Thorax.CollectionView = Thorax.HelperView.extend({
constructor: function(options) {
Thorax.CollectionView.__super__.constructor.call(this, options);
//collection helper will initialize this.options, so need to mimic
this.options || (this.options = {});
this.collection && this.setCollection(this.collection);
Thorax.CollectionView._optionNames.forEach(function(optionName) {
options[optionName] && (this.options[optionName] = options[optionName]);
}, this);
},
_setCollectionOptions: function(collection, options) {
return _.extend({
fetch: true,
success: false,
errors: true
}, options || {});
},
setCollection: function(collection, options) {
this.collection = collection;
if (collection) {
collection.cid = collection.cid || _.uniqueId('collection');
this.$el.attr(collectionCidAttributeName, collection.cid);
if (collection.name) {
this.$el.attr(collectionNameAttributeName, collection.name);
}
this.options = this._setCollectionOptions(collection, _.extend({}, this.options, options));
bindCollectionEvents.call(this, collection, this.parent._collectionEvents);
bindCollectionEvents.call(this, collection, this.parent.constructor._collectionEvents);
collection.trigger('set', collection);
if (Thorax.Util.shouldFetch(collection, this.options)) {
this._loadCollection(collection);
} else {
//want to trigger built in event handler (render())
//without triggering event on collection
this.reset();
}
}
return this;
},
_loadCollection: function(collection) {
collection.fetch(this.options);
},
//appendItem(model [,index])
//appendItem(html_string, index)
//appendItem(view, index)
appendItem: function(model, index, options) {
//empty item
if (!model) {
return;
}
var itemView;
options = options || {};
//if index argument is a view
if (index && index.el) {
index = this.$el.children().indexOf(index.el) + 1;
}
//if argument is a view, or html string
if (model.el || typeof model === 'string') {
itemView = model;
model = false;
} else {
index = index || this.collection.indexOf(model) || 0;
itemView = this.renderItem(model, index);
}
if (itemView) {
if (itemView.cid) {
this._addChild(itemView);
}
//if the renderer's output wasn't contained in a tag, wrap it in a div
//plain text, or a mixture of top level text nodes and element nodes
//will get wrapped
if (typeof itemView === 'string' && !itemView.match(/^\s*\</m)) {
itemView = '<div>' + itemView + '</div>'
}
var itemElement = itemView.el ? [itemView.el] : _.filter($(itemView), function(node) {
//filter out top level whitespace nodes
return node.nodeType === ELEMENT_NODE_TYPE;
});
if (model) {
$(itemElement).attr(modelCidAttributeName, model.cid);
}
var previousModel = index > 0 ? this.collection.at(index - 1) : false;
if (!previousModel) {
this.$el.prepend(itemElement);
} else {
//use last() as appendItem can accept multiple nodes from a template
var last = this.$el.find('[' + modelCidAttributeName + '="' + previousModel.cid + '"]').last();
last.after(itemElement);
}
this._appendViews(null, function(el) {
el.setAttribute(modelCidAttributeName, model.cid);
});
this._appendElements(null, function(el) {
el.setAttribute(modelCidAttributeName, model.cid);
});
if (!options.silent) {
this.parent.trigger('rendered:item', this, this.collection, model, itemElement, index);
}
applyItemVisiblityFilter.call(this, model);
}
return itemView;
},
//updateItem only useful if there is no item view, otherwise
//itemView.render() provideds the same functionality
updateItem: function(model) {
this.removeItem(model);
this.appendItem(model);
},
removeItem: function(model) {
var viewEl = this.$('[' + modelCidAttributeName + '="' + model.cid + '"]');
if (!viewEl.length) {
return false;
}
var viewCid = viewEl.attr(viewCidAttributeName);
if (this.children[viewCid]) {
delete this.children[viewCid];
}
viewEl.remove();
return true;
},
reset: function() {
this.render();
},
render: function() {
this.$el.empty();
if (this.collection) {
if (this.collection.isEmpty()) {
this.$el.attr(collectionEmptyAttributeName, true);
this.appendEmpty();
} else {
this.$el.removeAttr(collectionEmptyAttributeName);
this.collection.forEach(function(item, i) {
this.appendItem(item, i);
}, this);
}
this.parent.trigger('rendered:collection', this, this.collection);
applyVisibilityFilter.call(this);
}
++this._renderCount;
},
renderEmpty: function() {
var viewOptions = {};
if (this.options['empty-view']) {
if (this.options['empty-context']) {
viewOptions.context = _.bind(function() {
return (_.isFunction(this.options['empty-context'])
? this.options['empty-context']
: this.parent[this.options['empty-context']]
).call(this.parent);
}, this);
}
var view = Thorax.Util.getViewInstance(this.options['empty-view'], viewOptions);
if (this.options['empty-template']) {
view.render(this.renderTemplate(this.options['empty-template'], viewOptions.context ? viewOptions.context() : {}));
} else {
view.render();
}
return view;
} else {
var emptyTemplate = this.options['empty-template'] || (this.parent.name && this._loadTemplate(this.parent.name + '-empty', true));
var context;
if (this.options['empty-context']) {
context = (_.isFunction(this.options['empty-context'])
? this.options['empty-context']
: this.parent[this.options['empty-context']]
).call(this.parent);
} else {
context = {};
}
return emptyTemplate && this.renderTemplate(emptyTemplate, context);
}
},
renderItem: function(model, i) {
if (this.options['item-view']) {
var viewOptions = {
model: model
};
//itemContext deprecated
if (this.options['item-context']) {
viewOptions.context = _.bind(function() {
return (_.isFunction(this.options['item-context'])
? this.options['item-context']
: this.parent[this.options['item-context']]
).call(this.parent, model, i);
}, this);
}
if (this.options['item-template']) {
viewOptions.template = this.options['item-template'];
}
var view = Thorax.Util.getViewInstance(this.options['item-view'], viewOptions);
view.ensureRendered();
return view;
} else {
var itemTemplate = this.options['item-template'] || (this.parent.name && this.parent._loadTemplate(this.parent.name + '-item', true));
if (!itemTemplate) {
throw new Error('collection helper in View: ' + (this.parent.name || this.parent.cid) + ' requires an item template.');
}
var context;
if (this.options['item-context']) {
context = (_.isFunction(this.options['item-context'])
? this.options['item-context']
: this.parent[this.options['item-context']]
).call(this.parent, model, i);
} else {
context = model.attributes;
}
return this.renderTemplate(itemTemplate, context);
}
},
appendEmpty: function() {
this.$el.empty();
var emptyContent = this.renderEmpty();
emptyContent && this.appendItem(emptyContent, 0, {
silent: true
});
this.parent.trigger('rendered:empty', this, this.collection);
}
});
Thorax.CollectionView._optionNames = [
'item-template',
'empty-template',
'item-view',
'empty-view',
'item-context',
'empty-context',
'filter'
];
function bindCollectionEvents(collection, events) {
events.forEach(function(event) {
this.on(collection, event[0], function() {
//getEventCallback will resolve if it is a string or a method
//and return a method
var args = _.toArray(arguments);
args.unshift(this);
return getEventCallback(event[1], this.parent).apply(this.parent, args);
}, this);
}, this);
}
function applyVisibilityFilter() {
if (this.options.filter) {
this.collection.forEach(function(model) {
applyItemVisiblityFilter.call(this, model);
}, this);
}
}
function applyItemVisiblityFilter(model) {
if (this.options.filter) {
$('[' + modelCidAttributeName + '="' + model.cid + '"]')[itemShouldBeVisible.call(this, model) ? 'show' : 'hide']();
}
}
function itemShouldBeVisible(model, i) {
return (typeof this.options.filter === 'string'
? this.parent[this.options.filter]
: this.options.filter).call(this.parent, model, this.collection.indexOf(model))
;
}
function handleChangeFromEmptyToNotEmpty() {
if (this.collection.length === 1) {
if(this.$el.length) {
this.$el.removeAttr(collectionEmptyAttributeName);
this.$el.empty();
}
}
}
function handleChangeFromNotEmptyToEmpty() {
if (this.collection.length === 0) {
if (this.$el.length) {
this.$el.attr(collectionEmptyAttributeName, true);
this.appendEmpty();
}
}
}
Thorax.View.on({
collection: {
filter: function(collectionView) {
applyVisibilityFilter.call(collectionView);
},
change: function(collectionView, model) {
//if we rendered with item views, model changes will be observed
//by the generated item view but if we rendered with templates
//then model changes need to be bound as nothing is watching
if (!collectionView.options['item-view']) {
collectionView.updateItem(model);
}
applyItemVisiblityFilter.call(collectionView, model);
},
add: function(collectionView, model, collection) {
handleChangeFromEmptyToNotEmpty.call(collectionView);
if (collectionView.$el.length) {
var index = collection.indexOf(model);
collectionView.appendItem(model, index);
}
},
remove: function(collectionView, model, collection) {
collectionView.$el.find('[' + modelCidAttributeName + '="' + model.cid + '"]').remove();
for (var cid in collectionView.children) {
if (collectionView.children[cid].model && collectionView.children[cid].model.cid === model.cid) {
collectionView.children[cid].destroy();
delete collectionView.children[cid];
break;
}
}
handleChangeFromNotEmptyToEmpty.call(collectionView);
},
reset: function(collectionView, collection) {
collectionView.reset();
},
error: function(collectionView, message) {
if (collectionView.options.errors) {
collectionView.trigger('error', message);
this.trigger('error', message);
}
}
}
});
Handlebars.registerViewHelper('collection', Thorax.CollectionView, function(collection, view) {
if (arguments.length === 1) {
view = collection;
collection = this._view.collection;
}
if (collection) {
//item-view and empty-view may also be passed, but have no defaults
_.extend(view.options, {
'item-template': view.template && view.template !== Handlebars.VM.noop ? view.template : view.options['item-template'],
'empty-template': view.inverse && view.inverse !== Handlebars.VM.noop ? view.inverse : view.options['empty-template'],
'item-context': view.options['item-context'] || view.parent.itemContext,
'empty-context': view.options['empty-context'] || view.parent.emptyContext,
filter: view.options['filter']
});
view.setCollection(collection);
}
});
//empty helper
Handlebars.registerViewHelper('empty', function(collection, view) {
var empty, noArgument;
if (arguments.length === 1) {
view = collection;
collection = false;
noArgument = true;
}
var _render = view.render;
view.render = function() {
if (noArgument) {
empty = !this.parent.model || (this.parent.model && !this.parent.model.isEmpty());
} else if (!collection) {
empty = true;
} else {
empty = collection.isEmpty();
}
if (empty) {
this.parent.trigger('rendered:empty', this, collection);
return _render.call(this, this.template);
} else {
return _render.call(this, this.inverse);
}
};
//no model binding is necessary as model.set() will cause re-render
if (collection) {
function collectionRemoveCallback() {
if (collection.length === 0) {
view.render();
}
}
function collectionAddCallback() {
if (collection.length === 1) {
view.render();
}
}
function collectionResetCallback() {
view.render();
}
view.on(collection, 'remove', collectionRemoveCallback);
view.on(collection, 'add', collectionAddCallback);
view.on(collection, 'reset', collectionResetCallback);
}
view.render();
});
//$(selector).collection() helper
$.fn.collection = function(view) {
var $this = $(this),
collectionElement = $this.closest('[' + collectionCidAttributeName + ']'),
collectionCid = collectionElement && collectionElement.attr(collectionCidAttributeName);
if (collectionCid) {
view = view || $this.view();
if (view) {
return view.collection;
}
}
return false;
};
var paramMatcher = /:(\w+)/g,
callMethodAttributeName = 'data-call-method';
Handlebars.registerHelper('url', function(url) {
var matches = url.match(paramMatcher),
context = this;
if (matches) {
url = url.replace(paramMatcher, function(match, key) {
return context[key] ? Thorax.Util.getValue(context, key) : match;
});
}
url = Thorax.Util.expandToken(url, context);
return (Backbone.history._hasPushState ? Backbone.history.options.root : '#') + url;
});
Handlebars.registerHelper('button', function(method, options) {
options.hash.tag = options.hash.tag || options.hash.tagName || 'button';
options.hash[callMethodAttributeName] = method;
return new Handlebars.SafeString(Thorax.Util.tag.call(this, options.hash, options.fn ? options.fn(this) : '', this));
});
Handlebars.registerHelper('link', function(url, options) {
options.hash.tag = options.hash.tag || options.hash.tagName || 'a';
options.hash.href = Handlebars.helpers.url.call(this, url);
options.hash[callMethodAttributeName] = '_anchorClick';
return new Handlebars.SafeString(Thorax.Util.tag.call(this, options.hash, options.fn ? options.fn(this) : '', this));
});
$(function() {
$(document).on('click', '[' + callMethodAttributeName + ']', function(event) {
var target = $(event.target),
view = target.view({helper: false}),
methodName = target.attr(callMethodAttributeName);
view[methodName].call(view, event);
});
});
Thorax.View.prototype._anchorClick = function(event) {
var target = $(event.currentTarget),
href = target.attr('href');
// Route anything that starts with # or / (excluding //domain urls)
if (href && (href[0] === '#' || (href[0] === '/' && href[1] !== '/'))) {
Backbone.history.navigate(href, {
trigger: true
});
event.preventDefault();
}
};
if (Thorax.View.prototype._setModelOptions) {
(function() {
var _onModelChange = Thorax.View.prototype._onModelChange,
_setModelOptions = Thorax.View.prototype._setModelOptions;
_.extend(Thorax.View.prototype, {
_onModelChange: function() {
var response = _onModelChange.call(this);
if (this._modelOptions.populate) {
this.populate(this.model.attributes);
}
return response;
},
_setModelOptions: function(options) {
if (!options) {
options = {};
}
if (!('populate' in options)) {
options.populate = true;
}
return _setModelOptions.call(this, options);
}
});
})();
}
_.extend(Thorax.View.prototype, {
//serializes a form present in the view, returning the serialized data
//as an object
//pass {set:false} to not update this.model if present
//can pass options, callback or event in any order
serialize: function() {
var callback, options, event;
//ignore undefined arguments in case event was null
for (var i = 0; i < arguments.length; ++i) {
if (typeof arguments[i] === 'function') {
callback = arguments[i];
} else if (typeof arguments[i] === 'object') {
if ('stopPropagation' in arguments[i] && 'preventDefault' in arguments[i]) {
event = arguments[i];
} else {
options = arguments[i];
}
}
}
if (event && !this._preventDuplicateSubmission(event)) {
return;
}
options = _.extend({
set: true,
validate: true
},options || {});
var attributes = options.attributes || {};
//callback has context of element
var view = this;
var errors = [];
eachNamedInput.call(this, options, function() {
var value = view._getInputValue(this, options, errors);
if (typeof value !== 'undefined') {
objectAndKeyFromAttributesAndName.call(this, attributes, this.name, {mode: 'serialize'}, function(object, key) {
if (!object[key]) {
object[key] = value;
} else if (_.isArray(object[key])) {
object[key].push(value);
} else {
object[key] = [object[key], value];
}
});
}
});
this.trigger('serialize', attributes, options);
if (options.validate) {
var validateInputErrors = this.validateInput(attributes);
if (validateInputErrors && validateInputErrors.length) {
errors = errors.concat(validateInputErrors);
}
this.trigger('validate', attributes, errors, options);
if (errors.length) {
this.trigger('error', errors);
return;
}
}
if (options.set && this.model) {
if (!this.model.set(attributes, {silent: true})) {
return false;
};
}
callback && callback.call(this, attributes, _.bind(resetSubmitState, this));
return attributes;
},
_preventDuplicateSubmission: function(event, callback) {
event.preventDefault();
var form = $(event.target);
if ((event.target.tagName || '').toLowerCase() !== 'form') {
// Handle non-submit events by gating on the form
form = $(event.target).closest('form');
}
if (!form.attr('data-submit-wait')) {
form.attr('data-submit-wait', 'true');
if (callback) {
callback.call(this, event);
}
return true;
} else {
return false;
}
},
//populate a form from the passed attributes or this.model if present
populate: function(attributes) {
var value, attributes = attributes || this._getContext(this.model);
//callback has context of element
eachNamedInput.call(this, {}, function() {
objectAndKeyFromAttributesAndName.call(this, attributes, this.name, {mode: 'populate'}, function(object, key) {
if (object && typeof (value = object[key]) !== 'undefined') {
//will only execute if we have a name that matches the structure in attributes
if (this.type === 'checkbox' && _.isBoolean(value)) {
this.checked = value;
} else if (this.type === 'checkbox' || this.type === 'radio') {
this.checked = value == this.value;
} else {
this.value = value;
}
}
});
});
this.trigger('populate', attributes);
},
//perform form validation, implemented by child class
validateInput: function(attributes, options, errors) {},
_getInputValue: function(input, options, errors) {
if (input.type === 'checkbox' || input.type === 'radio') {
if (input.checked) {
return input.value;
}
} else if (input.multiple === true) {
var values = [];
$('option',input).each(function(){
if (this.selected) {
values.push(this.value);
}
});
return values;
} else {
return input.value;
}
}
});
Thorax.View.on({
error: function() {
resetSubmitState.call(this);
// If we errored with a model we want to reset the content but leave the UI
// intact. If the user updates the data and serializes any overwritten data
// will be restored.
if (this.model && this.model.previousAttributes) {
this.model.set(this.model.previousAttributes(), {
silent: true
});
}
},
deactivated: function() {
resetSubmitState.call(this);
}
})
function eachNamedInput(options, iterator, context) {
var i = 0;
this.$('select,input,textarea', options.root || this.el).each(function() {
if (this.type !== 'button' && this.type !== 'cancel' && this.type !== 'submit' && this.name && this.name !== '') {
iterator.call(context || this, i, this);
++i;
}
});
}
//calls a callback with the correct object fragment and key from a compound name
function objectAndKeyFromAttributesAndName(attributes, name, options, callback) {
var key, i, object = attributes, keys = name.split('['), mode = options.mode;
for(i = 0; i < keys.length - 1; ++i) {
key = keys[i].replace(']','');
if (!object[key]) {
if (mode == 'serialize') {
object[key] = {};
} else {
return callback.call(this, false, key);
}
}
object = object[key];
}
key = keys[keys.length - 1].replace(']', '');
callback.call(this, object, key);
}
function resetSubmitState() {
this.$('form').removeAttr('data-submit-wait');
}
//Router
function initializeRouter() {
Backbone.history || (Backbone.history = new Backbone.History);
Backbone.history.on('route', onRoute, this);
//router does not have a built in destroy event
//but ViewController does
this.on('destroyed', function() {
Backbone.history.off('route', onRoute, this);
});
}
Thorax.Router = Backbone.Router.extend({
constructor: function() {
var response = Thorax.Router.__super__.constructor.apply(this, arguments);
initializeRouter.call(this);
return response;
},
route: function(route, name, callback) {
//add a route:before event that is fired before the callback is called
return Backbone.Router.prototype.route.call(this, route, name, function() {
this.trigger.apply(this, ['route:before', name].concat(Array.prototype.slice.call(arguments)));
return callback.apply(this, arguments);
});
}
});
Thorax.Routers = {};
Thorax.Util.createRegistryWrapper(Thorax.Router, Thorax.Routers);
function onRoute(router, name) {
if (this === router) {
this.trigger.apply(this, ['route'].concat(Array.prototype.slice.call(arguments, 1)));
}
}
//layout
var layoutCidAttributeName = 'data-layout-cid';
Thorax.LayoutView = Thorax.View.extend({
render: function(output) {
//TODO: fixme, lumbar inserts templates after JS, most of the time this is fine
//but Application will be created in init.js (unlike most views)
//so need to put this here so the template will be picked up
var layoutTemplate;
if (this.name) {
layoutTemplate = Thorax.Util.registryGet(Thorax, 'templates', this.name, true);
}
//a template is optional in a layout
if (output || this.template || layoutTemplate) {
//but if present, it must have embedded an element containing layoutCidAttributeName
var response = Thorax.View.prototype.render.call(this, output || this.template || layoutTemplate);
ensureLayoutViewsTargetElement.call(this);
return response;
} else {
ensureLayoutCid.call(this);
}
},
setView: function(view, options) {
options = _.extend({
scroll: true,
destroy: true
}, options || {});
if (typeof view === 'string') {
view = new (Thorax.Util.registryGet(Thorax, 'Views', view, false));
}
this.ensureRendered();
var oldView = this._view;
if (view == oldView){
return false;
}
if (options.destroy && view) {
view._shouldDestroyOnNextSetView = true;
}
this.trigger('change:view:start', view, oldView, options);
oldView && oldView.trigger('deactivated', options);
view && view.trigger('activated', options);
if (oldView && oldView.el && oldView.el.parentNode) {
oldView.$el.remove();
}
//make sure the view has been rendered at least once
view && this._addChild(view);
view && view.ensureRendered();
view && getLayoutViewsTargetElement.call(this).appendChild(view.el);
this._view = view;
oldView && (delete this.children[oldView.cid]);
oldView && oldView._shouldDestroyOnNextSetView && oldView.destroy();
this._view && this._view.trigger('ready', options);
this.trigger('change:view:end', view, oldView, options);
return view;
},
getView: function() {
return this._view;
}
});
Handlebars.registerHelper('layout', function(options) {
options.hash[layoutCidAttributeName] = this._view.cid;
return new Handlebars.SafeString(Thorax.Util.tag.call(this, options.hash, '', this));
});
function ensureLayoutCid() {
++this._renderCount;
//set the layoutCidAttributeName on this.$el if there was no template
this.$el.attr(layoutCidAttributeName, this.cid);
}
function ensureLayoutViewsTargetElement() {
if (!this.$('[' + layoutCidAttributeName + '="' + this.cid + '"]')[0]) {
throw new Error('No layout element found in ' + (this.name || this.cid));
}
}
function getLayoutViewsTargetElement() {
return this.$('[' + layoutCidAttributeName + '="' + this.cid + '"]')[0] || this.el[0] || this.el;
}
//ViewController
Thorax.ViewController = Thorax.LayoutView.extend({
constructor: function() {
var response = Thorax.ViewController.__super__.constructor.apply(this, arguments);
this._bindRoutes();
initializeRouter.call(this);
//set the ViewController as the view on the parent
//if a parent was specified
this.on('route:before', function(router, name) {
if (this.parent && this.parent.getView) {
if (this.parent.getView() !== this) {
this.parent.setView(this, {
destroy: false
});
}
}
}, this);
return response;
}
});
_.extend(Thorax.ViewController.prototype, Thorax.Router.prototype);
var loadStart = 'load:start',
loadEnd = 'load:end',
rootObject;
Thorax.setRootObject = function(obj) {
rootObject = obj;
};
Thorax.loadHandler = function(start, end) {
return function(message, background, object) {
var self = this;
function startLoadTimeout() {
clearTimeout(self._loadStart.timeout);
self._loadStart.timeout = setTimeout(function() {
try {
self._loadStart.run = true;
start.call(self, self._loadStart.message, self._loadStart.background, self._loadStart);
} catch(e) {
Thorax.onException('loadStart', e);
}
},
loadingTimeout*1000);
}
if (!self._loadStart) {
var loadingTimeout = self._loadingTimeoutDuration;
if (loadingTimeout === void 0) {
// If we are running on a non-view object pull the default timeout
loadingTimeout = Thorax.View.prototype._loadingTimeoutDuration;
}
self._loadStart = _.extend({
events: [],
timeout: 0,
message: message,
background: !!background
}, Backbone.Events);
startLoadTimeout();
} else {
clearTimeout(self._loadStart.endTimeout);
self._loadStart.message = message;
if (!background && self._loadStart.background) {
self._loadStart.background = false;
startLoadTimeout();
}
}
self._loadStart.events.push(object);
object.bind(loadEnd, function endCallback() {
object.off(loadEnd, endCallback);
var loadingEndTimeout = self._loadingTimeoutEndDuration;
if (loadingEndTimeout === void 0) {
// If we are running on a non-view object pull the default timeout
loadingEndTimeout = Thorax.View.prototype._loadingTimeoutEndDuration;
}
var events = self._loadStart.events,
index = events.indexOf(object);
if (index >= 0) {
events.splice(index, 1);
}
if (!events.length) {
self._loadStart.endTimeout = setTimeout(function() {
try {
if (!events.length) {
var run = self._loadStart.run;
if (run) {
// Emit the end behavior, but only if there is a paired start
end.call(self, self._loadStart.background, self._loadStart);
self._loadStart.trigger(loadEnd, self._loadStart);
}
// If stopping make sure we don't run a start
clearTimeout(self._loadStart.timeout);
self._loadStart = undefined;
}
} catch(e) {
Thorax.onException('loadEnd', e);
}
}, loadingEndTimeout * 1000);
}
});
};
};
/**
* Helper method for propagating load:start events to other objects.
*
* Forwards load:start events that occur on `source` to `dest`.
*/
Thorax.forwardLoadEvents = function(source, dest, once) {
function load(message, backgound, object) {
if (once) {
source.off(loadStart, load);
}
dest.trigger(loadStart, message, backgound, object);
}
source.on(loadStart, load);
return {
off: function() {
source.off(loadStart, load);
}
};
};
//
// Data load event generation
//
/**
* Mixing for generating load:start and load:end events.
*/
Thorax.mixinLoadable = function(target, useParent) {
_.extend(target, {
//loading config
_loadingClassName: 'loading',
_loadingTimeoutDuration: 0.33,
_loadingTimeoutEndDuration: 0.10,
// Propagates loading view parameters to the AJAX layer
onLoadStart: function(message, background, object) {
var that = useParent ? this.parent : this;
if (!that.nonBlockingLoad && !background && rootObject) {
rootObject.trigger(loadStart, message, background, object);
}
$(that.el).addClass(that._loadingClassName);
//used by loading helpers
if (that._loadingCallbacks) {
that._loadingCallbacks.forEach(function(callback) {
callback();
});
}
},
onLoadEnd: function(background, object) {
var that = useParent ? this.parent : this;
$(that.el).removeClass(that._loadingClassName);
//used by loading helpers
if (that._loadingCallbacks) {
that._loadingCallbacks.forEach(function(callback) {
callback();
});
}
}
});
};
Thorax.mixinLoadableEvents = function(target, useParent) {
_.extend(target, {
loadStart: function(message, background) {
var that = useParent ? this.parent : this;
that.trigger(loadStart, message, background, that);
},
loadEnd: function() {
var that = useParent ? this.parent : this;
that.trigger(loadEnd, that);
}
});
};
Thorax.mixinLoadable(Thorax.View.prototype);
Thorax.mixinLoadableEvents(Thorax.View.prototype);
Thorax.sync = function(method, dataObj, options) {
var self = this,
complete = options.complete;
options.complete = function() {
self._request = undefined;
self._aborted = false;
complete && complete.apply(this, arguments);
};
this._request = Backbone.sync.apply(this, arguments);
// TODO : Reevaluate this event... Seems too indepth to expose as an API
this.trigger('request', this._request);
return this._request;
};
function bindToRoute(callback, failback) {
var fragment = Backbone.history.getFragment(),
completed;
function finalizer(isCanceled) {
var same = fragment === Backbone.history.getFragment();
if (completed) {
// Prevent multiple execution, i.e. we were canceled but the success callback still runs
return;
}
if (isCanceled && same) {
// Ignore the first route event if we are running in newer versions of backbone
// where the route operation is a postfix operation.
return;
}
completed = true;
Backbone.history.off('route', resetLoader);
var args = Array.prototype.slice.call(arguments, 1);
if (!isCanceled && same) {
callback.apply(this, args);
} else {
failback && failback.apply(this, args);
}
}
var resetLoader = _.bind(finalizer, this, true);
Backbone.history.on('route', resetLoader);
return _.bind(finalizer, this, false);
}
function loadData(callback, failback, options) {
if (this.isPopulated()) {
return callback(this);
}
if (arguments.length === 2 && typeof failback !== 'function' && _.isObject(failback)) {
options = failback;
failback = false;
}
this.fetch(_.defaults({
success: bindToRoute(callback, failback && _.bind(failback, this, false)),
error: failback && _.bind(failback, this, true)
}, options));
}
function fetchQueue(options, $super) {
if (options.resetQueue) {
// WARN: Should ensure that loaders are protected from out of band data
// when using this option
this.fetchQueue = undefined;
}
if (!this.fetchQueue) {
// Kick off the request
this.fetchQueue = [options];
options = _.defaults({
success: flushQueue(this, this.fetchQueue, 'success'),
error: flushQueue(this, this.fetchQueue, 'error'),
complete: flushQueue(this, this.fetchQueue, 'complete')
}, options);
$super.call(this, options);
} else {
// Currently fetching. Queue and process once complete
this.fetchQueue.push(options);
}
}
function flushQueue(self, fetchQueue, handler) {
return function() {
var args = arguments;
// Flush the queue. Executes any callback handlers that
// may have been passed in the fetch options.
fetchQueue.forEach(function(options) {
if (options[handler]) {
options[handler].apply(this, args);
}
}, this);
// Reset the queue if we are still the active request
if (self.fetchQueue === fetchQueue) {
self.fetchQueue = undefined;
}
}
}
var klasses = [];
Thorax.Model && klasses.push(Thorax.Model);
Thorax.Collection && klasses.push(Thorax.Collection);
_.each(klasses, function(DataClass) {
var $fetch = DataClass.prototype.fetch;
Thorax.mixinLoadableEvents(DataClass.prototype, false);
_.extend(DataClass.prototype, {
sync: Thorax.sync,
fetch: function(options) {
options = options || {};
var self = this,
complete = options.complete;
options.complete = function() {
complete && complete.apply(this, arguments);
self.loadEnd();
};
self.loadStart(undefined, options.background);
return fetchQueue.call(this, options || {}, $fetch);
},
load: function(callback, failback, options) {
if (arguments.length === 2 && typeof failback !== 'function') {
options = failback;
failback = false;
}
options = options || {};
if (!options.background && !this.isPopulated() && rootObject) {
// Make sure that the global scope sees the proper load events here
// if we are loading in standalone mode
Thorax.forwardLoadEvents(this, rootObject, true);
}
var self = this;
loadData.call(this, callback,
function(isError) {
// Route changed, kill it
if (!isError) {
if (self._request) {
self._aborted = true;
self._request.abort();
}
}
failback && failback.apply && failback.apply(this, arguments);
},
options);
}
});
});
Thorax.Util.bindToRoute = bindToRoute;
if (Thorax.Router) {
Thorax.Router.bindToRoute = Thorax.Router.prototype.bindToRoute = bindToRoute;
}
//
// View load event handling
//
if (Thorax.Model) {
(function() {
// Propagates loading view parameters to the AJAX layer
var _setModelOptions = Thorax.View.prototype._setModelOptions;
Thorax.View.prototype._setModelOptions = function(options) {
return _setModelOptions.call(this, _.defaults({
ignoreErrors: this.ignoreFetchError,
background: this.nonBlockingLoad
}, options || {}));
};
})();
Thorax.View.prototype._loadModel = function(model, options) {
if (model.load) {
model.load(function() {
options.success && options.success(model);
}, options);
} else {
model.fetch(options);
}
};
}
if (Thorax.Collection) {
Thorax.mixinLoadable(Thorax.CollectionView.prototype);
Thorax.mixinLoadableEvents(Thorax.CollectionView.prototype);
// Propagates loading view parameters to the AJAX layer
var _setCollectionOptions = Thorax.CollectionView.prototype._setCollectionOptions;
Thorax.CollectionView.prototype._setCollectionOptions = function(collection, options) {
return _setCollectionOptions.call(this, collection, _.defaults({
ignoreErrors: this.ignoreFetchError,
background: this.nonBlockingLoad
}, options || {}));
};
Thorax.CollectionView.prototype._loadCollection = function(collection, options) {
if (collection.load) {
collection.load(function(){
options.success && options.success(collection);
}, options);
} else {
collection.fetch(options);
}
};
}
Thorax.View.on({
'load:start': Thorax.loadHandler(
function(message, background, object) {
this.onLoadStart(message, background, object);
},
function(background, object) {
this.onLoadEnd(object);
}),
collection: {
'load:start': function(collectionView, message, background, object) {
//this refers to the collection view, we want to trigger on
//the parent view which originally bound the collection
this.trigger(loadStart, message, background, object);
}
},
model: {
'load:start': function(message, background, object) {
this.trigger(loadStart, message, background, object);
}
}
});
// Helpers
Handlebars.registerViewHelper('loading', function(view) {
_render = view.render;
view.render = function() {
if (view.parent.$el.hasClass(view.parent._loadingClassName)) {
return _render.call(this, view.fn);
} else {
return _render.call(this, view.inverse);
}
};
var callback = _.bind(view.render, view);
view.parent._loadingCallbacks = view.parent._loadingCallbacks || [];
view.parent._loadingCallbacks.push(callback);
view.on('freeze', function() {
view.parent._loadingCallbacks = _.without(view.parent._loadingCallbacks, callback);
});
view.render();
});
//add "loading-view" and "loading-template" options to collection helper
Thorax.View.on('helper:collection', function(view) {
if (arguments.length === 2) {
view = arguments[1];
}
if (!view.collection) {
view.collection = view.parent.collection;
}
if (view.options['loading-view'] || view.options['loading-template']) {
var item;
var callback = Thorax.loadHandler(_.bind(function() {
if (view.collection.length === 0) {
view.$el.empty();
}
if (view.options['loading-view']) {
var instance = Thorax.Util.getViewInstance(view.options['loading-view'], {
collection: view.collection
});
view._addChild(instance);
if (view.options['loading-template']) {
instance.render(view.options['loading-template']);
} else {
instance.render();
}
item = instance;
} else {
item = view.renderTemplate(view.options['loading-template'], {
collection: view.collection
});
}
view.appendItem(item, view.collection.length);
view.$el.children().last().attr('data-loading-element', view.collection.cid);
}, this), _.bind(function() {
view.$el.find('[data-loading-element="' + view.collection.cid + '"]').remove();
}, this));
view.on(view.collection, 'load:start', callback);
}
});
if (Thorax.CollectionView) {
Thorax.CollectionView._optionNames.push('loading-template');
Thorax.CollectionView._optionNames.push('loading-view');
}
})();
labs/dependency-examples/thorax_require/js/main.js deleted 100644 → 0
View file @ 23457d50
// Require.js allows us to configure shortcut alias
require.config({
// The shim config allows us to configure dependencies for
// scripts that do not call define() to register a module
shim: {
'underscore': {
exports: '_'
},
'backbone': {
deps: [
'underscore',
'jquery'
],
exports: 'Backbone'
},
'thorax': {
deps: [
'underscore',
'backbone',
'jquery',
'handlebars'
],
exports: 'Thorax'
}
},
paths: {
jquery: 'lib/jquery/jquery.min',
underscore: '../../../../assets/lodash.min',
backbone: 'lib/backbone/backbone',
handlebars: '../../../../assets/handlebars.min',
thorax: 'lib/thorax',
text: 'lib/require/text'
}
});
require([
'views/app',
'routers/todomvc'
], function( AppView, TodoMVCRouter ) {
// Initialize routing and start Backbone.history()
new TodoMVCRouter();
// Initialize the application view
var view = new AppView();
$('body').append(view.el);
Backbone.history.start();
});
labs/dependency-examples/thorax_require/js/models/todo.js deleted 100644 → 0
View file @ 23457d50
define([
'underscore',
'backbone',
'common'
], function( _, Backbone, Common ) {
return Backbone.Model.extend({
// Default attributes for the todo
// and ensure that each todo created has `title` and `completed` keys.
defaults: {
title: '',
completed: false
},
// Toggle the `completed` state of this todo item.
toggle: function() {
this.save({
completed: !this.get('completed')
});
},
isVisible: function () {
var isCompleted = this.get('completed');
if (Common.TodoFilter === '') {
return true;
} else if (Common.TodoFilter === 'completed') {
return isCompleted;
} else if (Common.TodoFilter === 'active') {
return !isCompleted;
}
}
});
});
labs/dependency-examples/thorax_require/js/routers/todomvc.js deleted 100644 → 0
View file @ 23457d50
define([
'jquery',
'backbone',
'thorax',
'collections/todos',
'common'
], function( $, Backbone, Thorax, Todos, Common ) {
return Thorax.Router.extend({
routes: {
"": "setFilter",
":filter": "setFilter"
},
setFilter: function( param ) {
// Set the current filter to be used
Common.TodoFilter = param ? param.trim().replace(/^\//, '') : '';
// Thorax listens for a `filter` event which will
// force the collection to re-filter
Todos.trigger('filter');
}
});
});
labs/dependency-examples/thorax_require/js/templates/app.handlebars deleted 100644 → 0
View file @ 23457d50
<section id="todoapp">
<header id="header">
<h1>todos</h1>
<input id="new-todo" placeholder="What needs to be done?" autofocus>
</header>
{{^empty todosCollection}}
<section id="main">
<input id="toggle-all" type="checkbox">
<label for="toggle-all">Mark all as complete</label>
{{#collection todosCollection filter="filterTodoItem" item-view=todoItemView tag="ul" id="todo-list"}}
<div class="view">
<input class="toggle" type="checkbox" {{#if completed}}checked{{/if}}>
<label>{{title}}</label>
<button class="destroy"></button>
</div>
<input class="edit" value="{{title}}">
{{/collection}}
</section>
{{view statsView}}
{{/empty}}
</section>
<div id="info">
<p>Double-click to edit a todo</p>
<p>Written by <a href="https://github.com/addyosmani">Addy Osmani</a> &amp; <a href="https://github.com/beastridge">Ryan Eastridge</a></p>
<p>Part of <a href="http://todomvc.com">TodoMVC</a></p>
</div>
labs/dependency-examples/thorax_require/js/templates/stats.handlebars deleted 100644 → 0
View file @ 23457d50
<span id="todo-count"><strong>{{remaining}}</strong> {{itemText}} left</span>
<ul id="filters">
<li>
{{#link "/" class="selected"}}All{{/link}}
</li>
<li>
{{#link "/active"}}Active{{/link}}
</li>
<li>
{{#link "/completed"}}Completed{{/link}}
</li>
</ul>
{{#if completed}}
<button id="clear-completed">Clear completed ({{completed}})</button>
{{/if}}
labs/dependency-examples/thorax_require/js/views/app.js deleted 100644 → 0
View file @ 23457d50
define([
'jquery',
'underscore',
'backbone',
'thorax',
'collections/todos',
'views/todo-item',
'views/stats',
'text!templates/app.handlebars',
'common'
], function( $, _, Backbone, Thorax, Todos, TodoItemView, StatsView, appTemplate, Common ) {
return Thorax.View.extend({
// In a require.js application the name is primarily for
// consistency and debugging purposes
name: 'app',
template: Handlebars.compile(appTemplate),
// Delegated events for creating new items, and clearing completed ones.
events: {
'keypress #new-todo': 'createOnEnter',
'click #toggle-all': 'toggleAllComplete',
// The collection helper in the template will bind the collection
// to the view. Any events in this hash will be bound to the
// collection.
collection: {
all: 'toggleToggleAllButton'
},
rendered: 'toggleToggleAllButton'
},
// Unless the "context" method is overriden any attributes on the view
// will be availble to the context / scope of the template, make the
// global Todos collection available to the template.
// Load any preexisting todos that might be saved in *localStorage*.
initialize: function() {
this.todoItemView = TodoItemView;
this.statsView = new StatsView;
this.todosCollection = Todos;
this.todosCollection.fetch();
this.render();
},
toggleToggleAllButton: function() {
this.$('#toggle-all').attr('checked', !this.todosCollection.remaining().length);
},
// This function is specified in the collection helper as the filter
// and will be called each time a model changes, or for each item
// when the collection is rendered
filterTodoItem: function(model) {
return model.isVisible();
},
// Generate the attributes for a new Todo item.
newAttributes: function() {
return {
title: this.$('#new-todo').val().trim(),
order: Todos.nextOrder(),
completed: false
};
},
// If you hit return in the main input field, create new **Todo** model,
// persisting it to *localStorage*.
createOnEnter: function( e ) {
if ( e.which !== Common.ENTER_KEY || !this.$('#new-todo').val().trim() ) {
return;
}
Todos.create( this.newAttributes() );
this.$('#new-todo').val('');
},
toggleAllComplete: function() {
var completed = this.$('#toggle-all')[0].checked;
Todos.each(function( todo ) {
todo.save({
'completed': completed
});
});
}
});
});
labs/dependency-examples/thorax_require/js/views/stats.js deleted 100644 → 0
View file @ 23457d50
define([
'jquery',
'underscore',
'backbone',
'thorax',
'collections/todos',
'text!templates/stats.handlebars',
'common'
], function( $, _, Backbone, Thorax, Todos, statsTemplate, Common ) {
return Thorax.View.extend({
name: 'stats',
tagName: 'footer',
id: 'footer',
template: Handlebars.compile(statsTemplate),
events: {
'click #clear-completed': 'clearCompleted',
// The "rendered" event is triggered by Thorax each time render()
// is called and the result of the template has been appended
// to the View's $el
rendered: 'highlightFilter'
},
initialize: function() {
// Whenever the Todos collection changes re-render the stats
// render() needs to be called with no arguments, otherwise calling
// it with arguments will insert the arguments as content
Todos.on('all', _.debounce(function() {
this.render();
}), this);
},
// Clear all completed todo items, destroying their models.
clearCompleted: function() {
_.each( Todos.completed(), function( todo ) {
todo.destroy();
});
return false;
},
// Each time the stats view is rendered this function will
// be called to generate the context / scope that the template
// will be called with. "context" defaults to "return this"
context: function() {
var remaining = Todos.remaining().length;
return {
itemText: remaining === 1 ? 'item' : 'items',
completed: Todos.completed().length,
remaining: remaining
};
},
// Highlight which filter will appear to be active
highlightFilter: function() {
this.$('#filters li a')
.removeClass('selected')
.filter('[href="#/' + ( Common.TodoFilter || '' ) + '"]')
.addClass('selected');
}
});
});
\ No newline at end of file
labs/dependency-examples/thorax_require/js/views/todo-item.js deleted 100644 → 0
View file @ 23457d50
define([
'jquery',
'underscore',
'backbone',
'thorax',
'common'
], function( $, _, Backbone, Common ) {
// This view has no template assigned in the class definition
// as it will recieve the capture block from the collection
// helper in templates/app.handlebars as it's template
return Thorax.View.extend({
name: 'todo-item',
//... is a list tag.
tagName: 'li',
// The DOM events specific to an item.
events: {
'click .toggle': 'toggleCompleted',
'dblclick label': 'edit',
'click .destroy': 'clear',
'keypress .edit': 'updateOnEnter',
'blur .edit': 'close',
// The "rendered" event is triggered by Thorax each time render()
// is called and the result of the template has been appended
// to the View's $el
rendered: function() {
this.$el.toggleClass( 'completed', this.model.get('completed') );
}
},
// Toggle the `"completed"` state of the model.
toggleCompleted: function() {
this.model.toggle();
},
// Switch this view into `"editing"` mode, displaying the input field.
edit: function() {
this.$el.addClass('editing');
this.$('.edit').focus();
},
// Close the `"editing"` mode, saving changes to the todo.
close: function() {
var value = this.$('.edit').val().trim();
if ( value ) {
this.model.save({ title: value });
} else {
this.clear();
}
this.$el.removeClass('editing');
},
// If you hit `enter`, we're through editing the item.
updateOnEnter: function( e ) {
if ( e.which === Common.ENTER_KEY ) {
this.close();
}
},
// Remove the item, destroy the model from *localStorage* and delete its view.
clear: function() {
this.model.destroy();
}
});
});
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