Commit d8ce8c9ae4862804d35b54aee976d580545434b4

Fix faulty gitignore and add lib

  - Removed unwanted entries from .gitignore
  - Add js/lib: all library dependencies
.gitignore
(0 / 35)
  
1*.py[cod]
2
3# C extensions
4*.so
5
6# Packages
7*.egg
8*.egg-info
9dist
10build
11eggs
12parts
13bin
14var
15sdist
16develop-eggs
17.installed.cfg
18lib
19lib64
20
21# Installer logs
22pip-log.txt
23
24# Unit test / coverage reports
25.coverage
26.tox
27nosetests.xml
28
29# Translations
30*.mo
31
32# Mr Developer
33.mr.developer.cfg
34.project
35.pydevproject
361
372*.*~
js/lib/backbone.js
(1431 / 0)
  
1// Backbone.js 0.9.2
2
3// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
4// Backbone may be freely distributed under the MIT license.
5// For all details and documentation:
6// http://backbonejs.org
7
8(function(){
9
10 // Initial Setup
11 // -------------
12
13 // Save a reference to the global object (`window` in the browser, `global`
14 // on the server).
15 var root = this;
16
17 // Save the previous value of the `Backbone` variable, so that it can be
18 // restored later on, if `noConflict` is used.
19 var previousBackbone = root.Backbone;
20
21 // Create a local reference to slice/splice.
22 var slice = Array.prototype.slice;
23 var splice = Array.prototype.splice;
24
25 // The top-level namespace. All public Backbone classes and modules will
26 // be attached to this. Exported for both CommonJS and the browser.
27 var Backbone;
28 if (typeof exports !== 'undefined') {
29 Backbone = exports;
30 } else {
31 Backbone = root.Backbone = {};
32 }
33
34 // Current version of the library. Keep in sync with `package.json`.
35 Backbone.VERSION = '0.9.2';
36
37 // Require Underscore, if we're on the server, and it's not already present.
38 var _ = root._;
39 if (!_ && (typeof require !== 'undefined')) _ = require('underscore');
40
41 // For Backbone's purposes, jQuery, Zepto, or Ender owns the `$` variable.
42 var $ = root.jQuery || root.Zepto || root.ender;
43
44 // Set the JavaScript library that will be used for DOM manipulation and
45 // Ajax calls (a.k.a. the `$` variable). By default Backbone will use: jQuery,
46 // Zepto, or Ender; but the `setDomLibrary()` method lets you inject an
47 // alternate JavaScript library (or a mock library for testing your views
48 // outside of a browser).
49 Backbone.setDomLibrary = function(lib) {
50 $ = lib;
51 };
52
53 // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
54 // to its previous owner. Returns a reference to this Backbone object.
55 Backbone.noConflict = function() {
56 root.Backbone = previousBackbone;
57 return this;
58 };
59
60 // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
61 // will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
62 // set a `X-Http-Method-Override` header.
63 Backbone.emulateHTTP = false;
64
65 // Turn on `emulateJSON` to support legacy servers that can't deal with direct
66 // `application/json` requests ... will encode the body as
67 // `application/x-www-form-urlencoded` instead and will send the model in a
68 // form param named `model`.
69 Backbone.emulateJSON = false;
70
71 // Backbone.Events
72 // -----------------
73
74 // Regular expression used to split event strings
75 var eventSplitter = /\s+/;
76
77 // A module that can be mixed in to *any object* in order to provide it with
78 // custom events. You may bind with `on` or remove with `off` callback functions
79 // to an event; trigger`-ing an event fires all callbacks in succession.
80 //
81 // var object = {};
82 // _.extend(object, Backbone.Events);
83 // object.on('expand', function(){ alert('expanded'); });
84 // object.trigger('expand');
85 //
86 var Events = Backbone.Events = {
87
88 // Bind one or more space separated events, `events`, to a `callback`
89 // function. Passing `"all"` will bind the callback to all events fired.
90 on: function(events, callback, context) {
91
92 var calls, event, node, tail, list;
93 if (!callback) return this;
94 events = events.split(eventSplitter);
95 calls = this._callbacks || (this._callbacks = {});
96
97 // Create an immutable callback list, allowing traversal during
98 // modification. The tail is an empty object that will always be used
99 // as the next node.
100 while (event = events.shift()) {
101 list = calls[event];
102 node = list ? list.tail : {};
103 node.next = tail = {};
104 node.context = context;
105 node.callback = callback;
106 calls[event] = {tail: tail, next: list ? list.next : node};
107 }
108
109 return this;
110 },
111
112 // Remove one or many callbacks. If `context` is null, removes all callbacks
113 // with that function. If `callback` is null, removes all callbacks for the
114 // event. If `events` is null, removes all bound callbacks for all events.
115 off: function(events, callback, context) {
116 var event, calls, node, tail, cb, ctx;
117
118 // No events, or removing *all* events.
119 if (!(calls = this._callbacks)) return;
120 if (!(events || callback || context)) {
121 delete this._callbacks;
122 return this;
123 }
124
125 // Loop through the listed events and contexts, splicing them out of the
126 // linked list of callbacks if appropriate.
127 events = events ? events.split(eventSplitter) : _.keys(calls);
128 while (event = events.shift()) {
129 node = calls[event];
130 delete calls[event];
131 if (!node || !(callback || context)) continue;
132 // Create a new list, omitting the indicated callbacks.
133 tail = node.tail;
134 while ((node = node.next) !== tail) {
135 cb = node.callback;
136 ctx = node.context;
137 if ((callback && cb !== callback) || (context && ctx !== context)) {
138 this.on(event, cb, ctx);
139 }
140 }
141 }
142
143 return this;
144 },
145
146 // Trigger one or many events, firing all bound callbacks. Callbacks are
147 // passed the same arguments as `trigger` is, apart from the event name
148 // (unless you're listening on `"all"`, which will cause your callback to
149 // receive the true name of the event as the first argument).
150 trigger: function(events) {
151 var event, node, calls, tail, args, all, rest;
152 if (!(calls = this._callbacks)) return this;
153 all = calls.all;
154 events = events.split(eventSplitter);
155 rest = slice.call(arguments, 1);
156
157 // For each event, walk through the linked list of callbacks twice,
158 // first to trigger the event, then to trigger any `"all"` callbacks.
159 while (event = events.shift()) {
160 if (node = calls[event]) {
161 tail = node.tail;
162 while ((node = node.next) !== tail) {
163 node.callback.apply(node.context || this, rest);
164 }
165 }
166 if (node = all) {
167 tail = node.tail;
168 args = [event].concat(rest);
169 while ((node = node.next) !== tail) {
170 node.callback.apply(node.context || this, args);
171 }
172 }
173 }
174
175 return this;
176 }
177
178 };
179
180 // Aliases for backwards compatibility.
181 Events.bind = Events.on;
182 Events.unbind = Events.off;
183
184 // Backbone.Model
185 // --------------
186
187 // Create a new model, with defined attributes. A client id (`cid`)
188 // is automatically generated and assigned for you.
189 var Model = Backbone.Model = function(attributes, options) {
190 var defaults;
191 attributes || (attributes = {});
192 if (options && options.parse) attributes = this.parse(attributes);
193 if (defaults = getValue(this, 'defaults')) {
194 attributes = _.extend({}, defaults, attributes);
195 }
196 if (options && options.collection) this.collection = options.collection;
197 this.attributes = {};
198 this._escapedAttributes = {};
199 this.cid = _.uniqueId('c');
200 this.changed = {};
201 this._silent = {};
202 this._pending = {};
203 this.set(attributes, {silent: true});
204 // Reset change tracking.
205 this.changed = {};
206 this._silent = {};
207 this._pending = {};
208 this._previousAttributes = _.clone(this.attributes);
209 this.initialize.apply(this, arguments);
210 };
211
212 // Attach all inheritable methods to the Model prototype.
213 _.extend(Model.prototype, Events, {
214
215 // A hash of attributes whose current and previous value differ.
216 changed: null,
217
218 // A hash of attributes that have silently changed since the last time
219 // `change` was called. Will become pending attributes on the next call.
220 _silent: null,
221
222 // A hash of attributes that have changed since the last `'change'` event
223 // began.
224 _pending: null,
225
226 // The default name for the JSON `id` attribute is `"id"`. MongoDB and
227 // CouchDB users may want to set this to `"_id"`.
228 idAttribute: 'id',
229
230 // Initialize is an empty function by default. Override it with your own
231 // initialization logic.
232 initialize: function(){},
233
234 // Return a copy of the model's `attributes` object.
235 toJSON: function(options) {
236 return _.clone(this.attributes);
237 },
238
239 // Get the value of an attribute.
240 get: function(attr) {
241 return this.attributes[attr];
242 },
243
244 // Get the HTML-escaped value of an attribute.
245 escape: function(attr) {
246 var html;
247 if (html = this._escapedAttributes[attr]) return html;
248 var val = this.get(attr);
249 return this._escapedAttributes[attr] = _.escape(val == null ? '' : '' + val);
250 },
251
252 // Returns `true` if the attribute contains a value that is not null
253 // or undefined.
254 has: function(attr) {
255 return this.get(attr) != null;
256 },
257
258 // Set a hash of model attributes on the object, firing `"change"` unless
259 // you choose to silence it.
260 set: function(key, value, options) {
261 var attrs, attr, val;
262
263 // Handle both `"key", value` and `{key: value}` -style arguments.
264 if (_.isObject(key) || key == null) {
265 attrs = key;
266 options = value;
267 } else {
268 attrs = {};
269 attrs[key] = value;
270 }
271
272 // Extract attributes and options.
273 options || (options = {});
274 if (!attrs) return this;
275 if (attrs instanceof Model) attrs = attrs.attributes;
276 if (options.unset) for (attr in attrs) attrs[attr] = void 0;
277
278 // Run validation.
279 if (!this._validate(attrs, options)) return false;
280
281 // Check for changes of `id`.
282 if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
283
284 var changes = options.changes = {};
285 var now = this.attributes;
286 var escaped = this._escapedAttributes;
287 var prev = this._previousAttributes || {};
288
289 // For each `set` attribute...
290 for (attr in attrs) {
291 val = attrs[attr];
292
293 // If the new and current value differ, record the change.
294 if (!_.isEqual(now[attr], val) || (options.unset && _.has(now, attr))) {
295 delete escaped[attr];
296 (options.silent ? this._silent : changes)[attr] = true;
297 }
298
299 // Update or delete the current value.
300 options.unset ? delete now[attr] : now[attr] = val;
301
302 // If the new and previous value differ, record the change. If not,
303 // then remove changes for this attribute.
304 if (!_.isEqual(prev[attr], val) || (_.has(now, attr) != _.has(prev, attr))) {
305 this.changed[attr] = val;
306 if (!options.silent) this._pending[attr] = true;
307 } else {
308 delete this.changed[attr];
309 delete this._pending[attr];
310 }
311 }
312
313 // Fire the `"change"` events.
314 if (!options.silent) this.change(options);
315 return this;
316 },
317
318 // Remove an attribute from the model, firing `"change"` unless you choose
319 // to silence it. `unset` is a noop if the attribute doesn't exist.
320 unset: function(attr, options) {
321 (options || (options = {})).unset = true;
322 return this.set(attr, null, options);
323 },
324
325 // Clear all attributes on the model, firing `"change"` unless you choose
326 // to silence it.
327 clear: function(options) {
328 (options || (options = {})).unset = true;
329 return this.set(_.clone(this.attributes), options);
330 },
331
332 // Fetch the model from the server. If the server's representation of the
333 // model differs from its current attributes, they will be overriden,
334 // triggering a `"change"` event.
335 fetch: function(options) {
336 options = options ? _.clone(options) : {};
337 var model = this;
338 var success = options.success;
339 options.success = function(resp, status, xhr) {
340 if (!model.set(model.parse(resp, xhr), options)) return false;
341 if (success) success(model, resp);
342 };
343 options.error = Backbone.wrapError(options.error, model, options);
344 return (this.sync || Backbone.sync).call(this, 'read', this, options);
345 },
346
347 // Set a hash of model attributes, and sync the model to the server.
348 // If the server returns an attributes hash that differs, the model's
349 // state will be `set` again.
350 save: function(key, value, options) {
351 var attrs, current;
352
353 // Handle both `("key", value)` and `({key: value})` -style calls.
354 if (_.isObject(key) || key == null) {
355 attrs = key;
356 options = value;
357 } else {
358 attrs = {};
359 attrs[key] = value;
360 }
361 options = options ? _.clone(options) : {};
362
363 // If we're "wait"-ing to set changed attributes, validate early.
364 if (options.wait) {
365 if (!this._validate(attrs, options)) return false;
366 current = _.clone(this.attributes);
367 }
368
369 // Regular saves `set` attributes before persisting to the server.
370 var silentOptions = _.extend({}, options, {silent: true});
371 if (attrs && !this.set(attrs, options.wait ? silentOptions : options)) {
372 return false;
373 }
374
375 // After a successful server-side save, the client is (optionally)
376 // updated with the server-side state.
377 var model = this;
378 var success = options.success;
379 options.success = function(resp, status, xhr) {
380 var serverAttrs = model.parse(resp, xhr);
381 if (options.wait) {
382 delete options.wait;
383 serverAttrs = _.extend(attrs || {}, serverAttrs);
384 }
385 if (!model.set(serverAttrs, options)) return false;
386 if (success) {
387 success(model, resp);
388 } else {
389 model.trigger('sync', model, resp, options);
390 }
391 };
392
393 // Finish configuring and sending the Ajax request.
394 options.error = Backbone.wrapError(options.error, model, options);
395 var method = this.isNew() ? 'create' : 'update';
396 var xhr = (this.sync || Backbone.sync).call(this, method, this, options);
397 if (options.wait) this.set(current, silentOptions);
398 return xhr;
399 },
400
401 // Destroy this model on the server if it was already persisted.
402 // Optimistically removes the model from its collection, if it has one.
403 // If `wait: true` is passed, waits for the server to respond before removal.
404 destroy: function(options) {
405 options = options ? _.clone(options) : {};
406 var model = this;
407 var success = options.success;
408
409 var triggerDestroy = function() {
410 model.trigger('destroy', model, model.collection, options);
411 };
412
413 if (this.isNew()) {
414 triggerDestroy();
415 return false;
416 }
417
418 options.success = function(resp) {
419 if (options.wait) triggerDestroy();
420 if (success) {
421 success(model, resp);
422 } else {
423 model.trigger('sync', model, resp, options);
424 }
425 };
426
427 options.error = Backbone.wrapError(options.error, model, options);
428 var xhr = (this.sync || Backbone.sync).call(this, 'delete', this, options);
429 if (!options.wait) triggerDestroy();
430 return xhr;
431 },
432
433 // Default URL for the model's representation on the server -- if you're
434 // using Backbone's restful methods, override this to change the endpoint
435 // that will be called.
436 url: function() {
437 var base = getValue(this, 'urlRoot') || getValue(this.collection, 'url') || urlError();
438 if (this.isNew()) return base;
439 return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + encodeURIComponent(this.id);
440 },
441
442 // **parse** converts a response into the hash of attributes to be `set` on
443 // the model. The default implementation is just to pass the response along.
444 parse: function(resp, xhr) {
445 return resp;
446 },
447
448 // Create a new model with identical attributes to this one.
449 clone: function() {
450 return new this.constructor(this.attributes);
451 },
452
453 // A model is new if it has never been saved to the server, and lacks an id.
454 isNew: function() {
455 return this.id == null;
456 },
457
458 // Call this method to manually fire a `"change"` event for this model and
459 // a `"change:attribute"` event for each changed attribute.
460 // Calling this will cause all objects observing the model to update.
461 change: function(options) {
462 options || (options = {});
463 var changing = this._changing;
464 this._changing = true;
465
466 // Silent changes become pending changes.
467 for (var attr in this._silent) this._pending[attr] = true;
468
469 // Silent changes are triggered.
470 var changes = _.extend({}, options.changes, this._silent);
471 this._silent = {};
472 for (var attr in changes) {
473 this.trigger('change:' + attr, this, this.get(attr), options);
474 }
475 if (changing) return this;
476
477 // Continue firing `"change"` events while there are pending changes.
478 while (!_.isEmpty(this._pending)) {
479 this._pending = {};
480 this.trigger('change', this, options);
481 // Pending and silent changes still remain.
482 for (var attr in this.changed) {
483 if (this._pending[attr] || this._silent[attr]) continue;
484 delete this.changed[attr];
485 }
486 this._previousAttributes = _.clone(this.attributes);
487 }
488
489 this._changing = false;
490 return this;
491 },
492
493 // Determine if the model has changed since the last `"change"` event.
494 // If you specify an attribute name, determine if that attribute has changed.
495 hasChanged: function(attr) {
496 if (!arguments.length) return !_.isEmpty(this.changed);
497 return _.has(this.changed, attr);
498 },
499
500 // Return an object containing all the attributes that have changed, or
501 // false if there are no changed attributes. Useful for determining what
502 // parts of a view need to be updated and/or what attributes need to be
503 // persisted to the server. Unset attributes will be set to undefined.
504 // You can also pass an attributes object to diff against the model,
505 // determining if there *would be* a change.
506 changedAttributes: function(diff) {
507 if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
508 var val, changed = false, old = this._previousAttributes;
509 for (var attr in diff) {
510 if (_.isEqual(old[attr], (val = diff[attr]))) continue;
511 (changed || (changed = {}))[attr] = val;
512 }
513 return changed;
514 },
515
516 // Get the previous value of an attribute, recorded at the time the last
517 // `"change"` event was fired.
518 previous: function(attr) {
519 if (!arguments.length || !this._previousAttributes) return null;
520 return this._previousAttributes[attr];
521 },
522
523 // Get all of the attributes of the model at the time of the previous
524 // `"change"` event.
525 previousAttributes: function() {
526 return _.clone(this._previousAttributes);
527 },
528
529 // Check if the model is currently in a valid state. It's only possible to
530 // get into an *invalid* state if you're using silent changes.
531 isValid: function() {
532 return !this.validate(this.attributes);
533 },
534
535 // Run validation against the next complete set of model attributes,
536 // returning `true` if all is well. If a specific `error` callback has
537 // been passed, call that instead of firing the general `"error"` event.
538 _validate: function(attrs, options) {
539 if (options.silent || !this.validate) return true;
540 attrs = _.extend({}, this.attributes, attrs);
541 var error = this.validate(attrs, options);
542 if (!error) return true;
543 if (options && options.error) {
544 options.error(this, error, options);
545 } else {
546 this.trigger('error', this, error, options);
547 }
548 return false;
549 }
550
551 });
552
553 // Backbone.Collection
554 // -------------------
555
556 // Provides a standard collection class for our sets of models, ordered
557 // or unordered. If a `comparator` is specified, the Collection will maintain
558 // its models in sort order, as they're added and removed.
559 var Collection = Backbone.Collection = function(models, options) {
560 options || (options = {});
561 if (options.model) this.model = options.model;
562 if (options.comparator) this.comparator = options.comparator;
563 this._reset();
564 this.initialize.apply(this, arguments);
565 if (models) this.reset(models, {silent: true, parse: options.parse});
566 };
567
568 // Define the Collection's inheritable methods.
569 _.extend(Collection.prototype, Events, {
570
571 // The default model for a collection is just a **Backbone.Model**.
572 // This should be overridden in most cases.
573 model: Model,
574
575 // Initialize is an empty function by default. Override it with your own
576 // initialization logic.
577 initialize: function(){},
578
579 // The JSON representation of a Collection is an array of the
580 // models' attributes.
581 toJSON: function(options) {
582 return this.map(function(model){ return model.toJSON(options); });
583 },
584
585 // Add a model, or list of models to the set. Pass **silent** to avoid
586 // firing the `add` event for every new model.
587 add: function(models, options) {
588 var i, index, length, model, cid, id, cids = {}, ids = {}, dups = [];
589 options || (options = {});
590 models = _.isArray(models) ? models.slice() : [models];
591
592 // Begin by turning bare objects into model references, and preventing
593 // invalid models or duplicate models from being added.
594 for (i = 0, length = models.length; i < length; i++) {
595 if (!(model = models[i] = this._prepareModel(models[i], options))) {
596 throw new Error("Can't add an invalid model to a collection");
597 }
598 cid = model.cid;
599 id = model.id;
600 if (cids[cid] || this._byCid[cid] || ((id != null) && (ids[id] || this._byId[id]))) {
601 dups.push(i);
602 continue;
603 }
604 cids[cid] = ids[id] = model;
605 }
606
607 // Remove duplicates.
608 i = dups.length;
609 while (i--) {
610 models.splice(dups[i], 1);
611 }
612
613 // Listen to added models' events, and index models for lookup by
614 // `id` and by `cid`.
615 for (i = 0, length = models.length; i < length; i++) {
616 (model = models[i]).on('all', this._onModelEvent, this);
617 this._byCid[model.cid] = model;
618 if (model.id != null) this._byId[model.id] = model;
619 }
620
621 // Insert models into the collection, re-sorting if needed, and triggering
622 // `add` events unless silenced.
623 this.length += length;
624 index = options.at != null ? options.at : this.models.length;
625 splice.apply(this.models, [index, 0].concat(models));
626 if (this.comparator) this.sort({silent: true});
627 if (options.silent) return this;
628 for (i = 0, length = this.models.length; i < length; i++) {
629 if (!cids[(model = this.models[i]).cid]) continue;
630 options.index = i;
631 model.trigger('add', model, this, options);
632 }
633 return this;
634 },
635
636 // Remove a model, or a list of models from the set. Pass silent to avoid
637 // firing the `remove` event for every model removed.
638 remove: function(models, options) {
639 var i, l, index, model;
640 options || (options = {});
641 models = _.isArray(models) ? models.slice() : [models];
642 for (i = 0, l = models.length; i < l; i++) {
643 model = this.getByCid(models[i]) || this.get(models[i]);
644 if (!model) continue;
645 delete this._byId[model.id];
646 delete this._byCid[model.cid];
647 index = this.indexOf(model);
648 this.models.splice(index, 1);
649 this.length--;
650 if (!options.silent) {
651 options.index = index;
652 model.trigger('remove', model, this, options);
653 }
654 this._removeReference(model);
655 }
656 return this;
657 },
658
659 // Add a model to the end of the collection.
660 push: function(model, options) {
661 model = this._prepareModel(model, options);
662 this.add(model, options);
663 return model;
664 },
665
666 // Remove a model from the end of the collection.
667 pop: function(options) {
668 var model = this.at(this.length - 1);
669 this.remove(model, options);
670 return model;
671 },
672
673 // Add a model to the beginning of the collection.
674 unshift: function(model, options) {
675 model = this._prepareModel(model, options);
676 this.add(model, _.extend({at: 0}, options));
677 return model;
678 },
679
680 // Remove a model from the beginning of the collection.
681 shift: function(options) {
682 var model = this.at(0);
683 this.remove(model, options);
684 return model;
685 },
686
687 // Get a model from the set by id.
688 get: function(id) {
689 if (id == null) return void 0;
690 return this._byId[id.id != null ? id.id : id];
691 },
692
693 // Get a model from the set by client id.
694 getByCid: function(cid) {
695 return cid && this._byCid[cid.cid || cid];
696 },
697
698 // Get the model at the given index.
699 at: function(index) {
700 return this.models[index];
701 },
702
703 // Return models with matching attributes. Useful for simple cases of `filter`.
704 where: function(attrs) {
705 if (_.isEmpty(attrs)) return [];
706 return this.filter(function(model) {
707 for (var key in attrs) {
708 if (attrs[key] !== model.get(key)) return false;
709 }
710 return true;
711 });
712 },
713
714 // Force the collection to re-sort itself. You don't need to call this under
715 // normal circumstances, as the set will maintain sort order as each item
716 // is added.
717 sort: function(options) {
718 options || (options = {});
719 if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
720 var boundComparator = _.bind(this.comparator, this);
721 if (this.comparator.length == 1) {
722 this.models = this.sortBy(boundComparator);
723 } else {
724 this.models.sort(boundComparator);
725 }
726 if (!options.silent) this.trigger('reset', this, options);
727 return this;
728 },
729
730 // Pluck an attribute from each model in the collection.
731 pluck: function(attr) {
732 return _.map(this.models, function(model){ return model.get(attr); });
733 },
734
735 // When you have more items than you want to add or remove individually,
736 // you can reset the entire set with a new list of models, without firing
737 // any `add` or `remove` events. Fires `reset` when finished.
738 reset: function(models, options) {
739 models || (models = []);
740 options || (options = {});
741 for (var i = 0, l = this.models.length; i < l; i++) {
742 this._removeReference(this.models[i]);
743 }
744 this._reset();
745 this.add(models, _.extend({silent: true}, options));
746 if (!options.silent) this.trigger('reset', this, options);
747 return this;
748 },
749
750 // Fetch the default set of models for this collection, resetting the
751 // collection when they arrive. If `add: true` is passed, appends the
752 // models to the collection instead of resetting.
753 fetch: function(options) {
754 options = options ? _.clone(options) : {};
755 if (options.parse === undefined) options.parse = true;
756 var collection = this;
757 var success = options.success;
758 options.success = function(resp, status, xhr) {
759 collection[options.add ? 'add' : 'reset'](collection.parse(resp, xhr), options);
760 if (success) success(collection, resp);
761 };
762 options.error = Backbone.wrapError(options.error, collection, options);
763 return (this.sync || Backbone.sync).call(this, 'read', this, options);
764 },
765
766 // Create a new instance of a model in this collection. Add the model to the
767 // collection immediately, unless `wait: true` is passed, in which case we
768 // wait for the server to agree.
769 create: function(model, options) {
770 var coll = this;
771 options = options ? _.clone(options) : {};
772 model = this._prepareModel(model, options);
773 if (!model) return false;
774 if (!options.wait) coll.add(model, options);
775 var success = options.success;
776 options.success = function(nextModel, resp, xhr) {
777 if (options.wait) coll.add(nextModel, options);
778 if (success) {
779 success(nextModel, resp);
780 } else {
781 nextModel.trigger('sync', model, resp, options);
782 }
783 };
784 model.save(null, options);
785 return model;
786 },
787
788 // **parse** converts a response into a list of models to be added to the
789 // collection. The default implementation is just to pass it through.
790 parse: function(resp, xhr) {
791 return resp;
792 },
793
794 // Proxy to _'s chain. Can't be proxied the same way the rest of the
795 // underscore methods are proxied because it relies on the underscore
796 // constructor.
797 chain: function () {
798 return _(this.models).chain();
799 },
800
801 // Reset all internal state. Called when the collection is reset.
802 _reset: function(options) {
803 this.length = 0;
804 this.models = [];
805 this._byId = {};
806 this._byCid = {};
807 },
808
809 // Prepare a model or hash of attributes to be added to this collection.
810 _prepareModel: function(model, options) {
811 options || (options = {});
812 if (!(model instanceof Model)) {
813 var attrs = model;
814 options.collection = this;
815 model = new this.model(attrs, options);
816 if (!model._validate(model.attributes, options)) model = false;
817 } else if (!model.collection) {
818 model.collection = this;
819 }
820 return model;
821 },
822
823 // Internal method to remove a model's ties to a collection.
824 _removeReference: function(model) {
825 if (this == model.collection) {
826 delete model.collection;
827 }
828 model.off('all', this._onModelEvent, this);
829 },
830
831 // Internal method called every time a model in the set fires an event.
832 // Sets need to update their indexes when models change ids. All other
833 // events simply proxy through. "add" and "remove" events that originate
834 // in other collections are ignored.
835 _onModelEvent: function(event, model, collection, options) {
836 if ((event == 'add' || event == 'remove') && collection != this) return;
837 if (event == 'destroy') {
838 this.remove(model, options);
839 }
840 if (model && event === 'change:' + model.idAttribute) {
841 delete this._byId[model.previous(model.idAttribute)];
842 this._byId[model.id] = model;
843 }
844 this.trigger.apply(this, arguments);
845 }
846
847 });
848
849 // Underscore methods that we want to implement on the Collection.
850 var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find',
851 'detect', 'filter', 'select', 'reject', 'every', 'all', 'some', 'any',
852 'include', 'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex',
853 'toArray', 'size', 'first', 'initial', 'rest', 'last', 'without', 'indexOf',
854 'shuffle', 'lastIndexOf', 'isEmpty', 'groupBy'];
855
856 // Mix in each Underscore method as a proxy to `Collection#models`.
857 _.each(methods, function(method) {
858 Collection.prototype[method] = function() {
859 return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
860 };
861 });
862
863 // Backbone.Router
864 // -------------------
865
866 // Routers map faux-URLs to actions, and fire events when routes are
867 // matched. Creating a new one sets its `routes` hash, if not set statically.
868 var Router = Backbone.Router = function(options) {
869 options || (options = {});
870 if (options.routes) this.routes = options.routes;
871 this._bindRoutes();
872 this.initialize.apply(this, arguments);
873 };
874
875 // Cached regular expressions for matching named param parts and splatted
876 // parts of route strings.
877 var namedParam = /:\w+/g;
878 var splatParam = /\*\w+/g;
879 var escapeRegExp = /[-[\]{}()+?.,\\^$|#\s]/g;
880
881 // Set up all inheritable **Backbone.Router** properties and methods.
882 _.extend(Router.prototype, Events, {
883
884 // Initialize is an empty function by default. Override it with your own
885 // initialization logic.
886 initialize: function(){},
887
888 // Manually bind a single named route to a callback. For example:
889 //
890 // this.route('search/:query/p:num', 'search', function(query, num) {
891 // ...
892 // });
893 //
894 route: function(route, name, callback) {
895 Backbone.history || (Backbone.history = new History);
896 if (!_.isRegExp(route)) route = this._routeToRegExp(route);
897 if (!callback) callback = this[name];
898 Backbone.history.route(route, _.bind(function(fragment) {
899 var args = this._extractParameters(route, fragment);
900 callback && callback.apply(this, args);
901 this.trigger.apply(this, ['route:' + name].concat(args));
902 Backbone.history.trigger('route', this, name, args);
903 }, this));
904 return this;
905 },
906
907 // Simple proxy to `Backbone.history` to save a fragment into the history.
908 navigate: function(fragment, options) {
909 Backbone.history.navigate(fragment, options);
910 },
911
912 // Bind all defined routes to `Backbone.history`. We have to reverse the
913 // order of the routes here to support behavior where the most general
914 // routes can be defined at the bottom of the route map.
915 _bindRoutes: function() {
916 if (!this.routes) return;
917 var routes = [];
918 for (var route in this.routes) {
919 routes.unshift([route, this.routes[route]]);
920 }
921 for (var i = 0, l = routes.length; i < l; i++) {
922 this.route(routes[i][0], routes[i][1], this[routes[i][1]]);
923 }
924 },
925
926 // Convert a route string into a regular expression, suitable for matching
927 // against the current location hash.
928 _routeToRegExp: function(route) {
929 route = route.replace(escapeRegExp, '\\$&')
930 .replace(namedParam, '([^\/]+)')
931 .replace(splatParam, '(.*?)');
932 return new RegExp('^' + route + '$');
933 },
934
935 // Given a route, and a URL fragment that it matches, return the array of
936 // extracted parameters.
937 _extractParameters: function(route, fragment) {
938 return route.exec(fragment).slice(1);
939 }
940
941 });
942
943 // Backbone.History
944 // ----------------
945
946 // Handles cross-browser history management, based on URL fragments. If the
947 // browser does not support `onhashchange`, falls back to polling.
948 var History = Backbone.History = function() {
949 this.handlers = [];
950 _.bindAll(this, 'checkUrl');
951 };
952
953 // Cached regex for cleaning leading hashes and slashes .
954 var routeStripper = /^[#\/]/;
955
956 // Cached regex for detecting MSIE.
957 var isExplorer = /msie [\w.]+/;
958
959 // Has the history handling already been started?
960 History.started = false;
961
962 // Set up all inheritable **Backbone.History** properties and methods.
963 _.extend(History.prototype, Events, {
964
965 // The default interval to poll for hash changes, if necessary, is
966 // twenty times a second.
967 interval: 50,
968
969 // Gets the true hash value. Cannot use location.hash directly due to bug
970 // in Firefox where location.hash will always be decoded.
971 getHash: function(windowOverride) {
972 var loc = windowOverride ? windowOverride.location : window.location;
973 var match = loc.href.match(/#(.*)$/);
974 return match ? match[1] : '';
975 },
976
977 // Get the cross-browser normalized URL fragment, either from the URL,
978 // the hash, or the override.
979 getFragment: function(fragment, forcePushState) {
980 if (fragment == null) {
981 if (this._hasPushState || forcePushState) {
982 fragment = window.location.pathname;
983 var search = window.location.search;
984 if (search) fragment += search;
985 } else {
986 fragment = this.getHash();
987 }
988 }
989 if (!fragment.indexOf(this.options.root)) fragment = fragment.substr(this.options.root.length);
990 return fragment.replace(routeStripper, '');
991 },
992
993 // Start the hash change handling, returning `true` if the current URL matches
994 // an existing route, and `false` otherwise.
995 start: function(options) {
996 if (History.started) throw new Error("Backbone.history has already been started");
997 History.started = true;
998
999 // Figure out the initial configuration. Do we need an iframe?
1000 // Is pushState desired ... is it available?
1001 this.options = _.extend({}, {root: '/'}, this.options, options);
1002 this._wantsHashChange = this.options.hashChange !== false;
1003 this._wantsPushState = !!this.options.pushState;
1004 this._hasPushState = !!(this.options.pushState && window.history && window.history.pushState);
1005 var fragment = this.getFragment();
1006 var docMode = document.documentMode;
1007 var oldIE = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
1008
1009 if (oldIE) {
1010 this.iframe = $('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
1011 this.navigate(fragment);
1012 }
1013
1014 // Depending on whether we're using pushState or hashes, and whether
1015 // 'onhashchange' is supported, determine how we check the URL state.
1016 if (this._hasPushState) {
1017 $(window).bind('popstate', this.checkUrl);
1018 } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
1019 $(window).bind('hashchange', this.checkUrl);
1020 } else if (this._wantsHashChange) {
1021 this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
1022 }
1023
1024 // Determine if we need to change the base url, for a pushState link
1025 // opened by a non-pushState browser.
1026 this.fragment = fragment;
1027 var loc = window.location;
1028 var atRoot = loc.pathname == this.options.root;
1029
1030 // If we've started off with a route from a `pushState`-enabled browser,
1031 // but we're currently in a browser that doesn't support it...
1032 if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
1033 this.fragment = this.getFragment(null, true);
1034 window.location.replace(this.options.root + '#' + this.fragment);
1035 // Return immediately as browser will do redirect to new url
1036 return true;
1037
1038 // Or if we've started out with a hash-based route, but we're currently
1039 // in a browser where it could be `pushState`-based instead...
1040 } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
1041 this.fragment = this.getHash().replace(routeStripper, '');
1042 window.history.replaceState({}, document.title, loc.protocol + '//' + loc.host + this.options.root + this.fragment);
1043 }
1044
1045 if (!this.options.silent) {
1046 return this.loadUrl();
1047 }
1048 },
1049
1050 // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
1051 // but possibly useful for unit testing Routers.
1052 stop: function() {
1053 $(window).unbind('popstate', this.checkUrl).unbind('hashchange', this.checkUrl);
1054 clearInterval(this._checkUrlInterval);
1055 History.started = false;
1056 },
1057
1058 // Add a route to be tested when the fragment changes. Routes added later
1059 // may override previous routes.
1060 route: function(route, callback) {
1061 this.handlers.unshift({route: route, callback: callback});
1062 },
1063
1064 // Checks the current URL to see if it has changed, and if it has,
1065 // calls `loadUrl`, normalizing across the hidden iframe.
1066 checkUrl: function(e) {
1067 var current = this.getFragment();
1068 if (current == this.fragment && this.iframe) current = this.getFragment(this.getHash(this.iframe));
1069 if (current == this.fragment) return false;
1070 if (this.iframe) this.navigate(current);
1071 this.loadUrl() || this.loadUrl(this.getHash());
1072 },
1073
1074 // Attempt to load the current URL fragment. If a route succeeds with a
1075 // match, returns `true`. If no defined routes matches the fragment,
1076 // returns `false`.
1077 loadUrl: function(fragmentOverride) {
1078 var fragment = this.fragment = this.getFragment(fragmentOverride);
1079 var matched = _.any(this.handlers, function(handler) {
1080 if (handler.route.test(fragment)) {
1081 handler.callback(fragment);
1082 return true;
1083 }
1084 });
1085 return matched;
1086 },
1087
1088 // Save a fragment into the hash history, or replace the URL state if the
1089 // 'replace' option is passed. You are responsible for properly URL-encoding
1090 // the fragment in advance.
1091 //
1092 // The options object can contain `trigger: true` if you wish to have the
1093 // route callback be fired (not usually desirable), or `replace: true`, if
1094 // you wish to modify the current URL without adding an entry to the history.
1095 navigate: function(fragment, options) {
1096 if (!History.started) return false;
1097 if (!options || options === true) options = {trigger: options};
1098 var frag = (fragment || '').replace(routeStripper, '');
1099 if (this.fragment == frag) return;
1100
1101 // If pushState is available, we use it to set the fragment as a real URL.
1102 if (this._hasPushState) {
1103 if (frag.indexOf(this.options.root) != 0) frag = this.options.root + frag;
1104 this.fragment = frag;
1105 window.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, frag);
1106
1107 // If hash changes haven't been explicitly disabled, update the hash
1108 // fragment to store history.
1109 } else if (this._wantsHashChange) {
1110 this.fragment = frag;
1111 this._updateHash(window.location, frag, options.replace);
1112 if (this.iframe && (frag != this.getFragment(this.getHash(this.iframe)))) {
1113 // Opening and closing the iframe tricks IE7 and earlier to push a history entry on hash-tag change.
1114 // When replace is true, we don't want this.
1115 if(!options.replace) this.iframe.document.open().close();
1116 this._updateHash(this.iframe.location, frag, options.replace);
1117 }
1118
1119 // If you've told us that you explicitly don't want fallback hashchange-
1120 // based history, then `navigate` becomes a page refresh.
1121 } else {
1122 window.location.assign(this.options.root + fragment);
1123 }
1124 if (options.trigger) this.loadUrl(fragment);
1125 },
1126
1127 // Update the hash location, either replacing the current entry, or adding
1128 // a new one to the browser history.
1129 _updateHash: function(location, fragment, replace) {
1130 if (replace) {
1131 location.replace(location.toString().replace(/(javascript:|#).*$/, '') + '#' + fragment);
1132 } else {
1133 location.hash = fragment;
1134 }
1135 }
1136 });
1137
1138 // Backbone.View
1139 // -------------
1140
1141 // Creating a Backbone.View creates its initial element outside of the DOM,
1142 // if an existing element is not provided...
1143 var View = Backbone.View = function(options) {
1144 this.cid = _.uniqueId('view');
1145 this._configure(options || {});
1146 this._ensureElement();
1147 this.initialize.apply(this, arguments);
1148 this.delegateEvents();
1149 };
1150
1151 // Cached regex to split keys for `delegate`.
1152 var delegateEventSplitter = /^(\S+)\s*(.*)$/;
1153
1154 // List of view options to be merged as properties.
1155 var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName'];
1156
1157 // Set up all inheritable **Backbone.View** properties and methods.
1158 _.extend(View.prototype, Events, {
1159
1160 // The default `tagName` of a View's element is `"div"`.
1161 tagName: 'div',
1162
1163 // jQuery delegate for element lookup, scoped to DOM elements within the
1164 // current view. This should be prefered to global lookups where possible.
1165 $: function(selector) {
1166 return this.$el.find(selector);
1167 },
1168
1169 // Initialize is an empty function by default. Override it with your own
1170 // initialization logic.
1171 initialize: function(){},
1172
1173 // **render** is the core function that your view should override, in order
1174 // to populate its element (`this.el`), with the appropriate HTML. The
1175 // convention is for **render** to always return `this`.
1176 render: function() {
1177 return this;
1178 },
1179
1180 // Remove this view from the DOM. Note that the view isn't present in the
1181 // DOM by default, so calling this method may be a no-op.
1182 remove: function() {
1183 this.$el.remove();
1184 return this;
1185 },
1186
1187 // For small amounts of DOM Elements, where a full-blown template isn't
1188 // needed, use **make** to manufacture elements, one at a time.
1189 //
1190 // var el = this.make('li', {'class': 'row'}, this.model.escape('title'));
1191 //
1192 make: function(tagName, attributes, content) {
1193 var el = document.createElement(tagName);
1194 if (attributes) $(el).attr(attributes);
1195 if (content) $(el).html(content);
1196 return el;
1197 },
1198
1199 // Change the view's element (`this.el` property), including event
1200 // re-delegation.
1201 setElement: function(element, delegate) {
1202 if (this.$el) this.undelegateEvents();
1203 this.$el = (element instanceof $) ? element : $(element);
1204 this.el = this.$el[0];
1205 if (delegate !== false) this.delegateEvents();
1206 return this;
1207 },
1208
1209 // Set callbacks, where `this.events` is a hash of
1210 //
1211 // *{"event selector": "callback"}*
1212 //
1213 // {
1214 // 'mousedown .title': 'edit',
1215 // 'click .button': 'save'
1216 // 'click .open': function(e) { ... }
1217 // }
1218 //
1219 // pairs. Callbacks will be bound to the view, with `this` set properly.
1220 // Uses event delegation for efficiency.
1221 // Omitting the selector binds the event to `this.el`.
1222 // This only works for delegate-able events: not `focus`, `blur`, and
1223 // not `change`, `submit`, and `reset` in Internet Explorer.
1224 delegateEvents: function(events) {
1225 if (!(events || (events = getValue(this, 'events')))) return;
1226 this.undelegateEvents();
1227 for (var key in events) {
1228 var method = events[key];
1229 if (!_.isFunction(method)) method = this[events[key]];
1230 if (!method) throw new Error('Method "' + events[key] + '" does not exist');
1231 var match = key.match(delegateEventSplitter);
1232 var eventName = match[1], selector = match[2];
1233 method = _.bind(method, this);
1234 eventName += '.delegateEvents' + this.cid;
1235 if (selector === '') {
1236 this.$el.bind(eventName, method);
1237 } else {
1238 this.$el.delegate(selector, eventName, method);
1239 }
1240 }
1241 },
1242
1243 // Clears all callbacks previously bound to the view with `delegateEvents`.
1244 // You usually don't need to use this, but may wish to if you have multiple
1245 // Backbone views attached to the same DOM element.
1246 undelegateEvents: function() {
1247 this.$el.unbind('.delegateEvents' + this.cid);
1248 },
1249
1250 // Performs the initial configuration of a View with a set of options.
1251 // Keys with special meaning *(model, collection, id, className)*, are
1252 // attached directly to the view.
1253 _configure: function(options) {
1254 if (this.options) options = _.extend({}, this.options, options);
1255 for (var i = 0, l = viewOptions.length; i < l; i++) {
1256 var attr = viewOptions[i];
1257 if (options[attr]) this[attr] = options[attr];
1258 }
1259 this.options = options;
1260 },
1261
1262 // Ensure that the View has a DOM element to render into.
1263 // If `this.el` is a string, pass it through `$()`, take the first
1264 // matching element, and re-assign it to `el`. Otherwise, create
1265 // an element from the `id`, `className` and `tagName` properties.
1266 _ensureElement: function() {
1267 if (!this.el) {
1268 var attrs = getValue(this, 'attributes') || {};
1269 if (this.id) attrs.id = this.id;
1270 if (this.className) attrs['class'] = this.className;
1271 this.setElement(this.make(this.tagName, attrs), false);
1272 } else {
1273 this.setElement(this.el, false);
1274 }
1275 }
1276
1277 });
1278
1279 // The self-propagating extend function that Backbone classes use.
1280 var extend = function (protoProps, classProps) {
1281 var child = inherits(this, protoProps, classProps);
1282 child.extend = this.extend;
1283 return child;
1284 };
1285
1286 // Set up inheritance for the model, collection, and view.
1287 Model.extend = Collection.extend = Router.extend = View.extend = extend;
1288
1289 // Backbone.sync
1290 // -------------
1291
1292 // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
1293 var methodMap = {
1294 'create': 'POST',
1295 'update': 'PUT',
1296 'delete': 'DELETE',
1297 'read': 'GET'
1298 };
1299
1300 // Override this function to change the manner in which Backbone persists
1301 // models to the server. You will be passed the type of request, and the
1302 // model in question. By default, makes a RESTful Ajax request
1303 // to the model's `url()`. Some possible customizations could be:
1304 //
1305 // * Use `setTimeout` to batch rapid-fire updates into a single request.
1306 // * Send up the models as XML instead of JSON.
1307 // * Persist models via WebSockets instead of Ajax.
1308 //
1309 // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
1310 // as `POST`, with a `_method` parameter containing the true HTTP method,
1311 // as well as all requests with the body as `application/x-www-form-urlencoded`
1312 // instead of `application/json` with the model in a param named `model`.
1313 // Useful when interfacing with server-side languages like **PHP** that make
1314 // it difficult to read the body of `PUT` requests.
1315 Backbone.sync = function(method, model, options) {
1316 var type = methodMap[method];
1317
1318 // Default options, unless specified.
1319 options || (options = {});
1320
1321 // Default JSON-request options.
1322 var params = {type: type, dataType: 'json'};
1323
1324 // Ensure that we have a URL.
1325 if (!options.url) {
1326 params.url = getValue(model, 'url') || urlError();
1327 }
1328
1329 // Ensure that we have the appropriate request data.
1330 if (!options.data && model && (method == 'create' || method == 'update')) {
1331 params.contentType = 'application/json';
1332 params.data = JSON.stringify(model.toJSON());
1333 }
1334
1335 // For older servers, emulate JSON by encoding the request into an HTML-form.
1336 if (Backbone.emulateJSON) {
1337 params.contentType = 'application/x-www-form-urlencoded';
1338 params.data = params.data ? {model: params.data} : {};
1339 }
1340
1341 // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
1342 // And an `X-HTTP-Method-Override` header.
1343 if (Backbone.emulateHTTP) {
1344 if (type === 'PUT' || type === 'DELETE') {
1345 if (Backbone.emulateJSON) params.data._method = type;
1346 params.type = 'POST';
1347 params.beforeSend = function(xhr) {
1348 xhr.setRequestHeader('X-HTTP-Method-Override', type);
1349 };
1350 }
1351 }
1352
1353 // Don't process data on a non-GET request.
1354 if (params.type !== 'GET' && !Backbone.emulateJSON) {
1355 params.processData = false;
1356 }
1357
1358 // Make the request, allowing the user to override any Ajax options.
1359 return $.ajax(_.extend(params, options));
1360 };
1361
1362 // Wrap an optional error callback with a fallback error event.
1363 Backbone.wrapError = function(onError, originalModel, options) {
1364 return function(model, resp) {
1365 resp = model === originalModel ? resp : model;
1366 if (onError) {
1367 onError(originalModel, resp, options);
1368 } else {
1369 originalModel.trigger('error', originalModel, resp, options);
1370 }
1371 };
1372 };
1373
1374 // Helpers
1375 // -------
1376
1377 // Shared empty constructor function to aid in prototype-chain creation.
1378 var ctor = function(){};
1379
1380 // Helper function to correctly set up the prototype chain, for subclasses.
1381 // Similar to `goog.inherits`, but uses a hash of prototype properties and
1382 // class properties to be extended.
1383 var inherits = function(parent, protoProps, staticProps) {
1384 var child;
1385
1386 // The constructor function for the new subclass is either defined by you
1387 // (the "constructor" property in your `extend` definition), or defaulted
1388 // by us to simply call the parent's constructor.
1389 if (protoProps && protoProps.hasOwnProperty('constructor')) {
1390 child = protoProps.constructor;
1391 } else {
1392 child = function(){ parent.apply(this, arguments); };
1393 }
1394
1395 // Inherit class (static) properties from parent.
1396 _.extend(child, parent);
1397
1398 // Set the prototype chain to inherit from `parent`, without calling
1399 // `parent`'s constructor function.
1400 ctor.prototype = parent.prototype;
1401 child.prototype = new ctor();
1402
1403 // Add prototype properties (instance properties) to the subclass,
1404 // if supplied.
1405 if (protoProps) _.extend(child.prototype, protoProps);
1406
1407 // Add static properties to the constructor function, if supplied.
1408 if (staticProps) _.extend(child, staticProps);
1409
1410 // Correctly set child's `prototype.constructor`.
1411 child.prototype.constructor = child;
1412
1413 // Set a convenience property in case the parent's prototype is needed later.
1414 child.__super__ = parent.prototype;
1415
1416 return child;
1417 };
1418
1419 // Helper function to get a value from a Backbone object as a property
1420 // or as a function.
1421 var getValue = function(object, prop) {
1422 if (!(object && object[prop])) return null;
1423 return _.isFunction(object[prop]) ? object[prop]() : object[prop];
1424 };
1425
1426 // Throw an error when a URL is needed, and none is supplied.
1427 var urlError = function() {
1428 throw new Error('A "url" property or function must be specified');
1429 };
1430
1431}).call(this);
js/lib/bootstrap.js
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1/* ===================================================
2 * bootstrap-transition.js v2.2.1
3 * http://twitter.github.com/bootstrap/javascript.html#transitions
4 * ===================================================
5 * Copyright 2012 Twitter, Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ========================================================== */
19
20
21!function ($) {
22
23 "use strict"; // jshint ;_;
24
25
26 /* CSS TRANSITION SUPPORT (http://www.modernizr.com/)
27 * ======================================================= */
28
29 $(function () {
30
31 $.support.transition = (function () {
32
33 var transitionEnd = (function () {
34
35 var el = document.createElement('bootstrap')
36 , transEndEventNames = {
37 'WebkitTransition' : 'webkitTransitionEnd'
38 , 'MozTransition' : 'transitionend'
39 , 'OTransition' : 'oTransitionEnd otransitionend'
40 , 'transition' : 'transitionend'
41 }
42 , name
43
44 for (name in transEndEventNames){
45 if (el.style[name] !== undefined) {
46 return transEndEventNames[name]
47 }
48 }
49
50 }())
51
52 return transitionEnd && {
53 end: transitionEnd
54 }
55
56 })()
57
58 })
59
60}(window.jQuery);/* ==========================================================
61 * bootstrap-alert.js v2.2.1
62 * http://twitter.github.com/bootstrap/javascript.html#alerts
63 * ==========================================================
64 * Copyright 2012 Twitter, Inc.
65 *
66 * Licensed under the Apache License, Version 2.0 (the "License");
67 * you may not use this file except in compliance with the License.
68 * You may obtain a copy of the License at
69 *
70 * http://www.apache.org/licenses/LICENSE-2.0
71 *
72 * Unless required by applicable law or agreed to in writing, software
73 * distributed under the License is distributed on an "AS IS" BASIS,
74 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
75 * See the License for the specific language governing permissions and
76 * limitations under the License.
77 * ========================================================== */
78
79
80!function ($) {
81
82 "use strict"; // jshint ;_;
83
84
85 /* ALERT CLASS DEFINITION
86 * ====================== */
87
88 var dismiss = '[data-dismiss="alert"]'
89 , Alert = function (el) {
90 $(el).on('click', dismiss, this.close)
91 }
92
93 Alert.prototype.close = function (e) {
94 var $this = $(this)
95 , selector = $this.attr('data-target')
96 , $parent
97
98 if (!selector) {
99 selector = $this.attr('href')
100 selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
101 }
102
103 $parent = $(selector)
104
105 e && e.preventDefault()
106
107 $parent.length || ($parent = $this.hasClass('alert') ? $this : $this.parent())
108
109 $parent.trigger(e = $.Event('close'))
110
111 if (e.isDefaultPrevented()) return
112
113 $parent.removeClass('in')
114
115 function removeElement() {
116 $parent
117 .trigger('closed')
118 .remove()
119 }
120
121 $.support.transition && $parent.hasClass('fade') ?
122 $parent.on($.support.transition.end, removeElement) :
123 removeElement()
124 }
125
126
127 /* ALERT PLUGIN DEFINITION
128 * ======================= */
129
130 $.fn.alert = function (option) {
131 return this.each(function () {
132 var $this = $(this)
133 , data = $this.data('alert')
134 if (!data) $this.data('alert', (data = new Alert(this)))
135 if (typeof option == 'string') data[option].call($this)
136 })
137 }
138
139 $.fn.alert.Constructor = Alert
140
141
142 /* ALERT DATA-API
143 * ============== */
144
145 $(document).on('click.alert.data-api', dismiss, Alert.prototype.close)
146
147}(window.jQuery);/* ============================================================
148 * bootstrap-button.js v2.2.1
149 * http://twitter.github.com/bootstrap/javascript.html#buttons
150 * ============================================================
151 * Copyright 2012 Twitter, Inc.
152 *
153 * Licensed under the Apache License, Version 2.0 (the "License");
154 * you may not use this file except in compliance with the License.
155 * You may obtain a copy of the License at
156 *
157 * http://www.apache.org/licenses/LICENSE-2.0
158 *
159 * Unless required by applicable law or agreed to in writing, software
160 * distributed under the License is distributed on an "AS IS" BASIS,
161 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
162 * See the License for the specific language governing permissions and
163 * limitations under the License.
164 * ============================================================ */
165
166
167!function ($) {
168
169 "use strict"; // jshint ;_;
170
171
172 /* BUTTON PUBLIC CLASS DEFINITION
173 * ============================== */
174
175 var Button = function (element, options) {
176 this.$element = $(element)
177 this.options = $.extend({}, $.fn.button.defaults, options)
178 }
179
180 Button.prototype.setState = function (state) {
181 var d = 'disabled'
182 , $el = this.$element
183 , data = $el.data()
184 , val = $el.is('input') ? 'val' : 'html'
185
186 state = state + 'Text'
187 data.resetText || $el.data('resetText', $el[val]())
188
189 $el[val](data[state] || this.options[state])
190
191 // push to event loop to allow forms to submit
192 setTimeout(function () {
193 state == 'loadingText' ?
194 $el.addClass(d).attr(d, d) :
195 $el.removeClass(d).removeAttr(d)
196 }, 0)
197 }
198
199 Button.prototype.toggle = function () {
200 var $parent = this.$element.closest('[data-toggle="buttons-radio"]')
201
202 $parent && $parent
203 .find('.active')
204 .removeClass('active')
205
206 this.$element.toggleClass('active')
207 }
208
209
210 /* BUTTON PLUGIN DEFINITION
211 * ======================== */
212
213 $.fn.button = function (option) {
214 return this.each(function () {
215 var $this = $(this)
216 , data = $this.data('button')
217 , options = typeof option == 'object' && option
218 if (!data) $this.data('button', (data = new Button(this, options)))
219 if (option == 'toggle') data.toggle()
220 else if (option) data.setState(option)
221 })
222 }
223
224 $.fn.button.defaults = {
225 loadingText: 'loading...'
226 }
227
228 $.fn.button.Constructor = Button
229
230
231 /* BUTTON DATA-API
232 * =============== */
233
234 $(document).on('click.button.data-api', '[data-toggle^=button]', function (e) {
235 var $btn = $(e.target)
236 if (!$btn.hasClass('btn')) $btn = $btn.closest('.btn')
237 $btn.button('toggle')
238 })
239
240}(window.jQuery);/* ==========================================================
241 * bootstrap-carousel.js v2.2.1
242 * http://twitter.github.com/bootstrap/javascript.html#carousel
243 * ==========================================================
244 * Copyright 2012 Twitter, Inc.
245 *
246 * Licensed under the Apache License, Version 2.0 (the "License");
247 * you may not use this file except in compliance with the License.
248 * You may obtain a copy of the License at
249 *
250 * http://www.apache.org/licenses/LICENSE-2.0
251 *
252 * Unless required by applicable law or agreed to in writing, software
253 * distributed under the License is distributed on an "AS IS" BASIS,
254 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
255 * See the License for the specific language governing permissions and
256 * limitations under the License.
257 * ========================================================== */
258
259
260!function ($) {
261
262 "use strict"; // jshint ;_;
263
264
265 /* CAROUSEL CLASS DEFINITION
266 * ========================= */
267
268 var Carousel = function (element, options) {
269 this.$element = $(element)
270 this.options = options
271 this.options.slide && this.slide(this.options.slide)
272 this.options.pause == 'hover' && this.$element
273 .on('mouseenter', $.proxy(this.pause, this))
274 .on('mouseleave', $.proxy(this.cycle, this))
275 }
276
277 Carousel.prototype = {
278
279 cycle: function (e) {
280 if (!e) this.paused = false
281 this.options.interval
282 && !this.paused
283 && (this.interval = setInterval($.proxy(this.next, this), this.options.interval))
284 return this
285 }
286
287 , to: function (pos) {
288 var $active = this.$element.find('.item.active')
289 , children = $active.parent().children()
290 , activePos = children.index($active)
291 , that = this
292
293 if (pos > (children.length - 1) || pos < 0) return
294
295 if (this.sliding) {
296 return this.$element.one('slid', function () {
297 that.to(pos)
298 })
299 }
300
301 if (activePos == pos) {
302 return this.pause().cycle()
303 }
304
305 return this.slide(pos > activePos ? 'next' : 'prev', $(children[pos]))
306 }
307
308 , pause: function (e) {
309 if (!e) this.paused = true
310 if (this.$element.find('.next, .prev').length && $.support.transition.end) {
311 this.$element.trigger($.support.transition.end)
312 this.cycle()
313 }
314 clearInterval(this.interval)
315 this.interval = null
316 return this
317 }
318
319 , next: function () {
320 if (this.sliding) return
321 return this.slide('next')
322 }
323
324 , prev: function () {
325 if (this.sliding) return
326 return this.slide('prev')
327 }
328
329 , slide: function (type, next) {
330 var $active = this.$element.find('.item.active')
331 , $next = next || $active[type]()
332 , isCycling = this.interval
333 , direction = type == 'next' ? 'left' : 'right'
334 , fallback = type == 'next' ? 'first' : 'last'
335 , that = this
336 , e
337
338 this.sliding = true
339
340 isCycling && this.pause()
341
342 $next = $next.length ? $next : this.$element.find('.item')[fallback]()
343
344 e = $.Event('slide', {
345 relatedTarget: $next[0]
346 })
347
348 if ($next.hasClass('active')) return
349
350 if ($.support.transition && this.$element.hasClass('slide')) {
351 this.$element.trigger(e)
352 if (e.isDefaultPrevented()) return
353 $next.addClass(type)
354 $next[0].offsetWidth // force reflow
355 $active.addClass(direction)
356 $next.addClass(direction)
357 this.$element.one($.support.transition.end, function () {
358 $next.removeClass([type, direction].join(' ')).addClass('active')
359 $active.removeClass(['active', direction].join(' '))
360 that.sliding = false
361 setTimeout(function () { that.$element.trigger('slid') }, 0)
362 })
363 } else {
364 this.$element.trigger(e)
365 if (e.isDefaultPrevented()) return
366 $active.removeClass('active')
367 $next.addClass('active')
368 this.sliding = false
369 this.$element.trigger('slid')
370 }
371
372 isCycling && this.cycle()
373
374 return this
375 }
376
377 }
378
379
380 /* CAROUSEL PLUGIN DEFINITION
381 * ========================== */
382
383 $.fn.carousel = function (option) {
384 return this.each(function () {
385 var $this = $(this)
386 , data = $this.data('carousel')
387 , options = $.extend({}, $.fn.carousel.defaults, typeof option == 'object' && option)
388 , action = typeof option == 'string' ? option : options.slide
389 if (!data) $this.data('carousel', (data = new Carousel(this, options)))
390 if (typeof option == 'number') data.to(option)
391 else if (action) data[action]()
392 else if (options.interval) data.cycle()
393 })
394 }
395
396 $.fn.carousel.defaults = {
397 interval: 5000
398 , pause: 'hover'
399 }
400
401 $.fn.carousel.Constructor = Carousel
402
403
404 /* CAROUSEL DATA-API
405 * ================= */
406
407 $(document).on('click.carousel.data-api', '[data-slide]', function (e) {
408 var $this = $(this), href
409 , $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
410 , options = $.extend({}, $target.data(), $this.data())
411 $target.carousel(options)
412 e.preventDefault()
413 })
414
415}(window.jQuery);/* =============================================================
416 * bootstrap-collapse.js v2.2.1
417 * http://twitter.github.com/bootstrap/javascript.html#collapse
418 * =============================================================
419 * Copyright 2012 Twitter, Inc.
420 *
421 * Licensed under the Apache License, Version 2.0 (the "License");
422 * you may not use this file except in compliance with the License.
423 * You may obtain a copy of the License at
424 *
425 * http://www.apache.org/licenses/LICENSE-2.0
426 *
427 * Unless required by applicable law or agreed to in writing, software
428 * distributed under the License is distributed on an "AS IS" BASIS,
429 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
430 * See the License for the specific language governing permissions and
431 * limitations under the License.
432 * ============================================================ */
433
434
435!function ($) {
436
437 "use strict"; // jshint ;_;
438
439
440 /* COLLAPSE PUBLIC CLASS DEFINITION
441 * ================================ */
442
443 var Collapse = function (element, options) {
444 this.$element = $(element)
445 this.options = $.extend({}, $.fn.collapse.defaults, options)
446
447 if (this.options.parent) {
448 this.$parent = $(this.options.parent)
449 }
450
451 this.options.toggle && this.toggle()
452 }
453
454 Collapse.prototype = {
455
456 constructor: Collapse
457
458 , dimension: function () {
459 var hasWidth = this.$element.hasClass('width')
460 return hasWidth ? 'width' : 'height'
461 }
462
463 , show: function () {
464 var dimension
465 , scroll
466 , actives
467 , hasData
468
469 if (this.transitioning) return
470
471 dimension = this.dimension()
472 scroll = $.camelCase(['scroll', dimension].join('-'))
473 actives = this.$parent && this.$parent.find('> .accordion-group > .in')
474
475 if (actives && actives.length) {
476 hasData = actives.data('collapse')
477 if (hasData && hasData.transitioning) return
478 actives.collapse('hide')
479 hasData || actives.data('collapse', null)
480 }
481
482 this.$element[dimension](0)
483 this.transition('addClass', $.Event('show'), 'shown')
484 $.support.transition && this.$element[dimension](this.$element[0][scroll])
485 }
486
487 , hide: function () {
488 var dimension
489 if (this.transitioning) return
490 dimension = this.dimension()
491 this.reset(this.$element[dimension]())
492 this.transition('removeClass', $.Event('hide'), 'hidden')
493 this.$element[dimension](0)
494 }
495
496 , reset: function (size) {
497 var dimension = this.dimension()
498
499 this.$element
500 .removeClass('collapse')
501 [dimension](size || 'auto')
502 [0].offsetWidth
503
504 this.$element[size !== null ? 'addClass' : 'removeClass']('collapse')
505
506 return this
507 }
508
509 , transition: function (method, startEvent, completeEvent) {
510 var that = this
511 , complete = function () {
512 if (startEvent.type == 'show') that.reset()
513 that.transitioning = 0
514 that.$element.trigger(completeEvent)
515 }
516
517 this.$element.trigger(startEvent)
518
519 if (startEvent.isDefaultPrevented()) return
520
521 this.transitioning = 1
522
523 this.$element[method]('in')
524
525 $.support.transition && this.$element.hasClass('collapse') ?
526 this.$element.one($.support.transition.end, complete) :
527 complete()
528 }
529
530 , toggle: function () {
531 this[this.$element.hasClass('in') ? 'hide' : 'show']()
532 }
533
534 }
535
536
537 /* COLLAPSIBLE PLUGIN DEFINITION
538 * ============================== */
539
540 $.fn.collapse = function (option) {
541 return this.each(function () {
542 var $this = $(this)
543 , data = $this.data('collapse')
544 , options = typeof option == 'object' && option
545 if (!data) $this.data('collapse', (data = new Collapse(this, options)))
546 if (typeof option == 'string') data[option]()
547 })
548 }
549
550 $.fn.collapse.defaults = {
551 toggle: true
552 }
553
554 $.fn.collapse.Constructor = Collapse
555
556
557 /* COLLAPSIBLE DATA-API
558 * ==================== */
559
560 $(document).on('click.collapse.data-api', '[data-toggle=collapse]', function (e) {
561 var $this = $(this), href
562 , target = $this.attr('data-target')
563 || e.preventDefault()
564 || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') //strip for ie7
565 , option = $(target).data('collapse') ? 'toggle' : $this.data()
566 $this[$(target).hasClass('in') ? 'addClass' : 'removeClass']('collapsed')
567 $(target).collapse(option)
568 })
569
570}(window.jQuery);/* ============================================================
571 * bootstrap-dropdown.js v2.2.1
572 * http://twitter.github.com/bootstrap/javascript.html#dropdowns
573 * ============================================================
574 * Copyright 2012 Twitter, Inc.
575 *
576 * Licensed under the Apache License, Version 2.0 (the "License");
577 * you may not use this file except in compliance with the License.
578 * You may obtain a copy of the License at
579 *
580 * http://www.apache.org/licenses/LICENSE-2.0
581 *
582 * Unless required by applicable law or agreed to in writing, software
583 * distributed under the License is distributed on an "AS IS" BASIS,
584 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
585 * See the License for the specific language governing permissions and
586 * limitations under the License.
587 * ============================================================ */
588
589
590!function ($) {
591
592 "use strict"; // jshint ;_;
593
594
595 /* DROPDOWN CLASS DEFINITION
596 * ========================= */
597
598 var toggle = '[data-toggle=dropdown]'
599 , Dropdown = function (element) {
600 var $el = $(element).on('click.dropdown.data-api', this.toggle)
601 $('html').on('click.dropdown.data-api', function () {
602 $el.parent().removeClass('open')
603 })
604 }
605
606 Dropdown.prototype = {
607
608 constructor: Dropdown
609
610 , toggle: function (e) {
611 var $this = $(this)
612 , $parent
613 , isActive
614
615 if ($this.is('.disabled, :disabled')) return
616
617 $parent = getParent($this)
618
619 isActive = $parent.hasClass('open')
620
621 clearMenus()
622
623 if (!isActive) {
624 $parent.toggleClass('open')
625 $this.focus()
626 }
627
628 return false
629 }
630
631 , keydown: function (e) {
632 var $this
633 , $items
634 , $active
635 , $parent
636 , isActive
637 , index
638
639 if (!/(38|40|27)/.test(e.keyCode)) return
640
641 $this = $(this)
642
643 e.preventDefault()
644 e.stopPropagation()
645
646 if ($this.is('.disabled, :disabled')) return
647
648 $parent = getParent($this)
649
650 isActive = $parent.hasClass('open')
651
652 if (!isActive || (isActive && e.keyCode == 27)) return $this.click()
653
654 $items = $('[role=menu] li:not(.divider) a', $parent)
655
656 if (!$items.length) return
657
658 index = $items.index($items.filter(':focus'))
659
660 if (e.keyCode == 38 && index > 0) index-- // up
661 if (e.keyCode == 40 && index < $items.length - 1) index++ // down
662 if (!~index) index = 0
663
664 $items
665 .eq(index)
666 .focus()
667 }
668
669 }
670
671 function clearMenus() {
672 $(toggle).each(function () {
673 getParent($(this)).removeClass('open')
674 })
675 }
676
677 function getParent($this) {
678 var selector = $this.attr('data-target')
679 , $parent
680
681 if (!selector) {
682 selector = $this.attr('href')
683 selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
684 }
685
686 $parent = $(selector)
687 $parent.length || ($parent = $this.parent())
688
689 return $parent
690 }
691
692
693 /* DROPDOWN PLUGIN DEFINITION
694 * ========================== */
695
696 $.fn.dropdown = function (option) {
697 return this.each(function () {
698 var $this = $(this)
699 , data = $this.data('dropdown')
700 if (!data) $this.data('dropdown', (data = new Dropdown(this)))
701 if (typeof option == 'string') data[option].call($this)
702 })
703 }
704
705 $.fn.dropdown.Constructor = Dropdown
706
707
708 /* APPLY TO STANDARD DROPDOWN ELEMENTS
709 * =================================== */
710
711 $(document)
712 .on('click.dropdown.data-api touchstart.dropdown.data-api', clearMenus)
713 .on('click.dropdown touchstart.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
714 .on('click.dropdown.data-api touchstart.dropdown.data-api' , toggle, Dropdown.prototype.toggle)
715 .on('keydown.dropdown.data-api touchstart.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)
716
717}(window.jQuery);/* =========================================================
718 * bootstrap-modal.js v2.2.1
719 * http://twitter.github.com/bootstrap/javascript.html#modals
720 * =========================================================
721 * Copyright 2012 Twitter, Inc.
722 *
723 * Licensed under the Apache License, Version 2.0 (the "License");
724 * you may not use this file except in compliance with the License.
725 * You may obtain a copy of the License at
726 *
727 * http://www.apache.org/licenses/LICENSE-2.0
728 *
729 * Unless required by applicable law or agreed to in writing, software
730 * distributed under the License is distributed on an "AS IS" BASIS,
731 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
732 * See the License for the specific language governing permissions and
733 * limitations under the License.
734 * ========================================================= */
735
736
737!function ($) {
738
739 "use strict"; // jshint ;_;
740
741
742 /* MODAL CLASS DEFINITION
743 * ====================== */
744
745 var Modal = function (element, options) {
746 this.options = options
747 this.$element = $(element)
748 .delegate('[data-dismiss="modal"]', 'click.dismiss.modal', $.proxy(this.hide, this))
749 this.options.remote && this.$element.find('.modal-body').load(this.options.remote)
750 }
751
752 Modal.prototype = {
753
754 constructor: Modal
755
756 , toggle: function () {
757 return this[!this.isShown ? 'show' : 'hide']()
758 }
759
760 , show: function () {
761 var that = this
762 , e = $.Event('show')
763
764 this.$element.trigger(e)
765
766 if (this.isShown || e.isDefaultPrevented()) return
767
768 this.isShown = true
769
770 this.escape()
771
772 this.backdrop(function () {
773 var transition = $.support.transition && that.$element.hasClass('fade')
774
775 if (!that.$element.parent().length) {
776 that.$element.appendTo(document.body) //don't move modals dom position
777 }
778
779 that.$element
780 .show()
781
782 if (transition) {
783 that.$element[0].offsetWidth // force reflow
784 }
785
786 that.$element
787 .addClass('in')
788 .attr('aria-hidden', false)
789
790 that.enforceFocus()
791
792 transition ?
793 that.$element.one($.support.transition.end, function () { that.$element.focus().trigger('shown') }) :
794 that.$element.focus().trigger('shown')
795
796 })
797 }
798
799 , hide: function (e) {
800 e && e.preventDefault()
801
802 var that = this
803
804 e = $.Event('hide')
805
806 this.$element.trigger(e)
807
808 if (!this.isShown || e.isDefaultPrevented()) return
809
810 this.isShown = false
811
812 this.escape()
813
814 $(document).off('focusin.modal')
815
816 this.$element
817 .removeClass('in')
818 .attr('aria-hidden', true)
819
820 $.support.transition && this.$element.hasClass('fade') ?
821 this.hideWithTransition() :
822 this.hideModal()
823 }
824
825 , enforceFocus: function () {
826 var that = this
827 $(document).on('focusin.modal', function (e) {
828 if (that.$element[0] !== e.target && !that.$element.has(e.target).length) {
829 that.$element.focus()
830 }
831 })
832 }
833
834 , escape: function () {
835 var that = this
836 if (this.isShown && this.options.keyboard) {
837 this.$element.on('keyup.dismiss.modal', function ( e ) {
838 e.which == 27 && that.hide()
839 })
840 } else if (!this.isShown) {
841 this.$element.off('keyup.dismiss.modal')
842 }
843 }
844
845 , hideWithTransition: function () {
846 var that = this
847 , timeout = setTimeout(function () {
848 that.$element.off($.support.transition.end)
849 that.hideModal()
850 }, 500)
851
852 this.$element.one($.support.transition.end, function () {
853 clearTimeout(timeout)
854 that.hideModal()
855 })
856 }
857
858 , hideModal: function (that) {
859 this.$element
860 .hide()
861 .trigger('hidden')
862
863 this.backdrop()
864 }
865
866 , removeBackdrop: function () {
867 this.$backdrop.remove()
868 this.$backdrop = null
869 }
870
871 , backdrop: function (callback) {
872 var that = this
873 , animate = this.$element.hasClass('fade') ? 'fade' : ''
874
875 if (this.isShown && this.options.backdrop) {
876 var doAnimate = $.support.transition && animate
877
878 this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />')
879 .appendTo(document.body)
880
881 this.$backdrop.click(
882 this.options.backdrop == 'static' ?
883 $.proxy(this.$element[0].focus, this.$element[0])
884 : $.proxy(this.hide, this)
885 )
886
887 if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
888
889 this.$backdrop.addClass('in')
890
891 doAnimate ?
892 this.$backdrop.one($.support.transition.end, callback) :
893 callback()
894
895 } else if (!this.isShown && this.$backdrop) {
896 this.$backdrop.removeClass('in')
897
898 $.support.transition && this.$element.hasClass('fade')?
899 this.$backdrop.one($.support.transition.end, $.proxy(this.removeBackdrop, this)) :
900 this.removeBackdrop()
901
902 } else if (callback) {
903 callback()
904 }
905 }
906 }
907
908
909 /* MODAL PLUGIN DEFINITION
910 * ======================= */
911
912 $.fn.modal = function (option) {
913 return this.each(function () {
914 var $this = $(this)
915 , data = $this.data('modal')
916 , options = $.extend({}, $.fn.modal.defaults, $this.data(), typeof option == 'object' && option)
917 if (!data) $this.data('modal', (data = new Modal(this, options)))
918 if (typeof option == 'string') data[option]()
919 else if (options.show) data.show()
920 })
921 }
922
923 $.fn.modal.defaults = {
924 backdrop: true
925 , keyboard: true
926 , show: true
927 }
928
929 $.fn.modal.Constructor = Modal
930
931
932 /* MODAL DATA-API
933 * ============== */
934
935 $(document).on('click.modal.data-api', '[data-toggle="modal"]', function (e) {
936 var $this = $(this)
937 , href = $this.attr('href')
938 , $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) //strip for ie7
939 , option = $target.data('modal') ? 'toggle' : $.extend({ remote:!/#/.test(href) && href }, $target.data(), $this.data())
940
941 e.preventDefault()
942
943 $target
944 .modal(option)
945 .one('hide', function () {
946 $this.focus()
947 })
948 })
949
950}(window.jQuery);
951/* ===========================================================
952 * bootstrap-tooltip.js v2.2.1
953 * http://twitter.github.com/bootstrap/javascript.html#tooltips
954 * Inspired by the original jQuery.tipsy by Jason Frame
955 * ===========================================================
956 * Copyright 2012 Twitter, Inc.
957 *
958 * Licensed under the Apache License, Version 2.0 (the "License");
959 * you may not use this file except in compliance with the License.
960 * You may obtain a copy of the License at
961 *
962 * http://www.apache.org/licenses/LICENSE-2.0
963 *
964 * Unless required by applicable law or agreed to in writing, software
965 * distributed under the License is distributed on an "AS IS" BASIS,
966 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
967 * See the License for the specific language governing permissions and
968 * limitations under the License.
969 * ========================================================== */
970
971
972!function ($) {
973
974 "use strict"; // jshint ;_;
975
976
977 /* TOOLTIP PUBLIC CLASS DEFINITION
978 * =============================== */
979
980 var Tooltip = function (element, options) {
981 this.init('tooltip', element, options)
982 }
983
984 Tooltip.prototype = {
985
986 constructor: Tooltip
987
988 , init: function (type, element, options) {
989 var eventIn
990 , eventOut
991
992 this.type = type
993 this.$element = $(element)
994 this.options = this.getOptions(options)
995 this.enabled = true
996
997 if (this.options.trigger == 'click') {
998 this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
999 } else if (this.options.trigger != 'manual') {
1000 eventIn = this.options.trigger == 'hover' ? 'mouseenter' : 'focus'
1001 eventOut = this.options.trigger == 'hover' ? 'mouseleave' : 'blur'
1002 this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
1003 this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
1004 }
1005
1006 this.options.selector ?
1007 (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
1008 this.fixTitle()
1009 }
1010
1011 , getOptions: function (options) {
1012 options = $.extend({}, $.fn[this.type].defaults, options, this.$element.data())
1013
1014 if (options.delay && typeof options.delay == 'number') {
1015 options.delay = {
1016 show: options.delay
1017 , hide: options.delay
1018 }
1019 }
1020
1021 return options
1022 }
1023
1024 , enter: function (e) {
1025 var self = $(e.currentTarget)[this.type](this._options).data(this.type)
1026
1027 if (!self.options.delay || !self.options.delay.show) return self.show()
1028
1029 clearTimeout(this.timeout)
1030 self.hoverState = 'in'
1031 this.timeout = setTimeout(function() {
1032 if (self.hoverState == 'in') self.show()
1033 }, self.options.delay.show)
1034 }
1035
1036 , leave: function (e) {
1037 var self = $(e.currentTarget)[this.type](this._options).data(this.type)
1038
1039 if (this.timeout) clearTimeout(this.timeout)
1040 if (!self.options.delay || !self.options.delay.hide) return self.hide()
1041
1042 self.hoverState = 'out'
1043 this.timeout = setTimeout(function() {
1044 if (self.hoverState == 'out') self.hide()
1045 }, self.options.delay.hide)
1046 }
1047
1048 , show: function () {
1049 var $tip
1050 , inside
1051 , pos
1052 , actualWidth
1053 , actualHeight
1054 , placement
1055 , tp
1056
1057 if (this.hasContent() && this.enabled) {
1058 $tip = this.tip()
1059 this.setContent()
1060
1061 if (this.options.animation) {
1062 $tip.addClass('fade')
1063 }
1064
1065 placement = typeof this.options.placement == 'function' ?
1066 this.options.placement.call(this, $tip[0], this.$element[0]) :
1067 this.options.placement
1068
1069 inside = /in/.test(placement)
1070
1071 $tip
1072 .detach()
1073 .css({ top: 0, left: 0, display: 'block' })
1074 .insertAfter(this.$element)
1075
1076 pos = this.getPosition(inside)
1077
1078 actualWidth = $tip[0].offsetWidth
1079 actualHeight = $tip[0].offsetHeight
1080
1081 switch (inside ? placement.split(' ')[1] : placement) {
1082 case 'bottom':
1083 tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
1084 break
1085 case 'top':
1086 tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
1087 break
1088 case 'left':
1089 tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
1090 break
1091 case 'right':
1092 tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
1093 break
1094 }
1095
1096 $tip
1097 .offset(tp)
1098 .addClass(placement)
1099 .addClass('in')
1100 }
1101 }
1102
1103 , setContent: function () {
1104 var $tip = this.tip()
1105 , title = this.getTitle()
1106
1107 $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
1108 $tip.removeClass('fade in top bottom left right')
1109 }
1110
1111 , hide: function () {
1112 var that = this
1113 , $tip = this.tip()
1114
1115 $tip.removeClass('in')
1116
1117 function removeWithAnimation() {
1118 var timeout = setTimeout(function () {
1119 $tip.off($.support.transition.end).detach()
1120 }, 500)
1121
1122 $tip.one($.support.transition.end, function () {
1123 clearTimeout(timeout)
1124 $tip.detach()
1125 })
1126 }
1127
1128 $.support.transition && this.$tip.hasClass('fade') ?
1129 removeWithAnimation() :
1130 $tip.detach()
1131
1132 return this
1133 }
1134
1135 , fixTitle: function () {
1136 var $e = this.$element
1137 if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
1138 $e.attr('data-original-title', $e.attr('title') || '').removeAttr('title')
1139 }
1140 }
1141
1142 , hasContent: function () {
1143 return this.getTitle()
1144 }
1145
1146 , getPosition: function (inside) {
1147 return $.extend({}, (inside ? {top: 0, left: 0} : this.$element.offset()), {
1148 width: this.$element[0].offsetWidth
1149 , height: this.$element[0].offsetHeight
1150 })
1151 }
1152
1153 , getTitle: function () {
1154 var title
1155 , $e = this.$element
1156 , o = this.options
1157
1158 title = $e.attr('data-original-title')
1159 || (typeof o.title == 'function' ? o.title.call($e[0]) : o.title)
1160
1161 return title
1162 }
1163
1164 , tip: function () {
1165 return this.$tip = this.$tip || $(this.options.template)
1166 }
1167
1168 , validate: function () {
1169 if (!this.$element[0].parentNode) {
1170 this.hide()
1171 this.$element = null
1172 this.options = null
1173 }
1174 }
1175
1176 , enable: function () {
1177 this.enabled = true
1178 }
1179
1180 , disable: function () {
1181 this.enabled = false
1182 }
1183
1184 , toggleEnabled: function () {
1185 this.enabled = !this.enabled
1186 }
1187
1188 , toggle: function (e) {
1189 var self = $(e.currentTarget)[this.type](this._options).data(this.type)
1190 self[self.tip().hasClass('in') ? 'hide' : 'show']()
1191 }
1192
1193 , destroy: function () {
1194 this.hide().$element.off('.' + this.type).removeData(this.type)
1195 }
1196
1197 }
1198
1199
1200 /* TOOLTIP PLUGIN DEFINITION
1201 * ========================= */
1202
1203 $.fn.tooltip = function ( option ) {
1204 return this.each(function () {
1205 var $this = $(this)
1206 , data = $this.data('tooltip')
1207 , options = typeof option == 'object' && option
1208 if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
1209 if (typeof option == 'string') data[option]()
1210 })
1211 }
1212
1213 $.fn.tooltip.Constructor = Tooltip
1214
1215 $.fn.tooltip.defaults = {
1216 animation: true
1217 , placement: 'top'
1218 , selector: false
1219 , template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
1220 , trigger: 'hover'
1221 , title: ''
1222 , delay: 0
1223 , html: false
1224 }
1225
1226}(window.jQuery);/* ===========================================================
1227 * bootstrap-popover.js v2.2.1
1228 * http://twitter.github.com/bootstrap/javascript.html#popovers
1229 * ===========================================================
1230 * Copyright 2012 Twitter, Inc.
1231 *
1232 * Licensed under the Apache License, Version 2.0 (the "License");
1233 * you may not use this file except in compliance with the License.
1234 * You may obtain a copy of the License at
1235 *
1236 * http://www.apache.org/licenses/LICENSE-2.0
1237 *
1238 * Unless required by applicable law or agreed to in writing, software
1239 * distributed under the License is distributed on an "AS IS" BASIS,
1240 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1241 * See the License for the specific language governing permissions and
1242 * limitations under the License.
1243 * =========================================================== */
1244
1245
1246!function ($) {
1247
1248 "use strict"; // jshint ;_;
1249
1250
1251 /* POPOVER PUBLIC CLASS DEFINITION
1252 * =============================== */
1253
1254 var Popover = function (element, options) {
1255 this.init('popover', element, options)
1256 }
1257
1258
1259 /* NOTE: POPOVER EXTENDS BOOTSTRAP-TOOLTIP.js
1260 ========================================== */
1261
1262 Popover.prototype = $.extend({}, $.fn.tooltip.Constructor.prototype, {
1263
1264 constructor: Popover
1265
1266 , setContent: function () {
1267 var $tip = this.tip()
1268 , title = this.getTitle()
1269 , content = this.getContent()
1270
1271 $tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title)
1272 $tip.find('.popover-content > *')[this.options.html ? 'html' : 'text'](content)
1273
1274 $tip.removeClass('fade top bottom left right in')
1275 }
1276
1277 , hasContent: function () {
1278 return this.getTitle() || this.getContent()
1279 }
1280
1281 , getContent: function () {
1282 var content
1283 , $e = this.$element
1284 , o = this.options
1285
1286 content = $e.attr('data-content')
1287 || (typeof o.content == 'function' ? o.content.call($e[0]) : o.content)
1288
1289 return content
1290 }
1291
1292 , tip: function () {
1293 if (!this.$tip) {
1294 this.$tip = $(this.options.template)
1295 }
1296 return this.$tip
1297 }
1298
1299 , destroy: function () {
1300 this.hide().$element.off('.' + this.type).removeData(this.type)
1301 }
1302
1303 })
1304
1305
1306 /* POPOVER PLUGIN DEFINITION
1307 * ======================= */
1308
1309 $.fn.popover = function (option) {
1310 return this.each(function () {
1311 var $this = $(this)
1312 , data = $this.data('popover')
1313 , options = typeof option == 'object' && option
1314 if (!data) $this.data('popover', (data = new Popover(this, options)))
1315 if (typeof option == 'string') data[option]()
1316 })
1317 }
1318
1319 $.fn.popover.Constructor = Popover
1320
1321 $.fn.popover.defaults = $.extend({} , $.fn.tooltip.defaults, {
1322 placement: 'right'
1323 , trigger: 'click'
1324 , content: ''
1325 , template: '<div class="popover"><div class="arrow"></div><div class="popover-inner"><h3 class="popover-title"></h3><div class="popover-content"><p></p></div></div></div>'
1326 })
1327
1328}(window.jQuery);/* =============================================================
1329 * bootstrap-scrollspy.js v2.2.1
1330 * http://twitter.github.com/bootstrap/javascript.html#scrollspy
1331 * =============================================================
1332 * Copyright 2012 Twitter, Inc.
1333 *
1334 * Licensed under the Apache License, Version 2.0 (the "License");
1335 * you may not use this file except in compliance with the License.
1336 * You may obtain a copy of the License at
1337 *
1338 * http://www.apache.org/licenses/LICENSE-2.0
1339 *
1340 * Unless required by applicable law or agreed to in writing, software
1341 * distributed under the License is distributed on an "AS IS" BASIS,
1342 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1343 * See the License for the specific language governing permissions and
1344 * limitations under the License.
1345 * ============================================================== */
1346
1347
1348!function ($) {
1349
1350 "use strict"; // jshint ;_;
1351
1352
1353 /* SCROLLSPY CLASS DEFINITION
1354 * ========================== */
1355
1356 function ScrollSpy(element, options) {
1357 var process = $.proxy(this.process, this)
1358 , $element = $(element).is('body') ? $(window) : $(element)
1359 , href
1360 this.options = $.extend({}, $.fn.scrollspy.defaults, options)
1361 this.$scrollElement = $element.on('scroll.scroll-spy.data-api', process)
1362 this.selector = (this.options.target
1363 || ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
1364 || '') + ' .nav li > a'
1365 this.$body = $('body')
1366 this.refresh()
1367 this.process()
1368 }
1369
1370 ScrollSpy.prototype = {
1371
1372 constructor: ScrollSpy
1373
1374 , refresh: function () {
1375 var self = this
1376 , $targets
1377
1378 this.offsets = $([])
1379 this.targets = $([])
1380
1381 $targets = this.$body
1382 .find(this.selector)
1383 .map(function () {
1384 var $el = $(this)
1385 , href = $el.data('target') || $el.attr('href')
1386 , $href = /^#\w/.test(href) && $(href)
1387 return ( $href
1388 && $href.length
1389 && [[ $href.position().top, href ]] ) || null
1390 })
1391 .sort(function (a, b) { return a[0] - b[0] })
1392 .each(function () {
1393 self.offsets.push(this[0])
1394 self.targets.push(this[1])
1395 })
1396 }
1397
1398 , process: function () {
1399 var scrollTop = this.$scrollElement.scrollTop() + this.options.offset
1400 , scrollHeight = this.$scrollElement[0].scrollHeight || this.$body[0].scrollHeight
1401 , maxScroll = scrollHeight - this.$scrollElement.height()
1402 , offsets = this.offsets
1403 , targets = this.targets
1404 , activeTarget = this.activeTarget
1405 , i
1406
1407 if (scrollTop >= maxScroll) {
1408 return activeTarget != (i = targets.last()[0])
1409 && this.activate ( i )
1410 }
1411
1412 for (i = offsets.length; i--;) {
1413 activeTarget != targets[i]
1414 && scrollTop >= offsets[i]
1415 && (!offsets[i + 1] || scrollTop <= offsets[i + 1])
1416 && this.activate( targets[i] )
1417 }
1418 }
1419
1420 , activate: function (target) {
1421 var active
1422 , selector
1423
1424 this.activeTarget = target
1425
1426 $(this.selector)
1427 .parent('.active')
1428 .removeClass('active')
1429
1430 selector = this.selector
1431 + '[data-target="' + target + '"],'
1432 + this.selector + '[href="' + target + '"]'
1433
1434 active = $(selector)
1435 .parent('li')
1436 .addClass('active')
1437
1438 if (active.parent('.dropdown-menu').length) {
1439 active = active.closest('li.dropdown').addClass('active')
1440 }
1441
1442 active.trigger('activate')
1443 }
1444
1445 }
1446
1447
1448 /* SCROLLSPY PLUGIN DEFINITION
1449 * =========================== */
1450
1451 $.fn.scrollspy = function (option) {
1452 return this.each(function () {
1453 var $this = $(this)
1454 , data = $this.data('scrollspy')
1455 , options = typeof option == 'object' && option
1456 if (!data) $this.data('scrollspy', (data = new ScrollSpy(this, options)))
1457 if (typeof option == 'string') data[option]()
1458 })
1459 }
1460
1461 $.fn.scrollspy.Constructor = ScrollSpy
1462
1463 $.fn.scrollspy.defaults = {
1464 offset: 10
1465 }
1466
1467
1468 /* SCROLLSPY DATA-API
1469 * ================== */
1470
1471 $(window).on('load', function () {
1472 $('[data-spy="scroll"]').each(function () {
1473 var $spy = $(this)
1474 $spy.scrollspy($spy.data())
1475 })
1476 })
1477
1478}(window.jQuery);/* ========================================================
1479 * bootstrap-tab.js v2.2.1
1480 * http://twitter.github.com/bootstrap/javascript.html#tabs
1481 * ========================================================
1482 * Copyright 2012 Twitter, Inc.
1483 *
1484 * Licensed under the Apache License, Version 2.0 (the "License");
1485 * you may not use this file except in compliance with the License.
1486 * You may obtain a copy of the License at
1487 *
1488 * http://www.apache.org/licenses/LICENSE-2.0
1489 *
1490 * Unless required by applicable law or agreed to in writing, software
1491 * distributed under the License is distributed on an "AS IS" BASIS,
1492 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1493 * See the License for the specific language governing permissions and
1494 * limitations under the License.
1495 * ======================================================== */
1496
1497
1498!function ($) {
1499
1500 "use strict"; // jshint ;_;
1501
1502
1503 /* TAB CLASS DEFINITION
1504 * ==================== */
1505
1506 var Tab = function (element) {
1507 this.element = $(element)
1508 }
1509
1510 Tab.prototype = {
1511
1512 constructor: Tab
1513
1514 , show: function () {
1515 var $this = this.element
1516 , $ul = $this.closest('ul:not(.dropdown-menu)')
1517 , selector = $this.attr('data-target')
1518 , previous
1519 , $target
1520 , e
1521
1522 if (!selector) {
1523 selector = $this.attr('href')
1524 selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
1525 }
1526
1527 if ( $this.parent('li').hasClass('active') ) return
1528
1529 previous = $ul.find('.active:last a')[0]
1530
1531 e = $.Event('show', {
1532 relatedTarget: previous
1533 })
1534
1535 $this.trigger(e)
1536
1537 if (e.isDefaultPrevented()) return
1538
1539 $target = $(selector)
1540
1541 this.activate($this.parent('li'), $ul)
1542 this.activate($target, $target.parent(), function () {
1543 $this.trigger({
1544 type: 'shown'
1545 , relatedTarget: previous
1546 })
1547 })
1548 }
1549
1550 , activate: function ( element, container, callback) {
1551 var $active = container.find('> .active')
1552 , transition = callback
1553 && $.support.transition
1554 && $active.hasClass('fade')
1555
1556 function next() {
1557 $active
1558 .removeClass('active')
1559 .find('> .dropdown-menu > .active')
1560 .removeClass('active')
1561
1562 element.addClass('active')
1563
1564 if (transition) {
1565 element[0].offsetWidth // reflow for transition
1566 element.addClass('in')
1567 } else {
1568 element.removeClass('fade')
1569 }
1570
1571 if ( element.parent('.dropdown-menu') ) {
1572 element.closest('li.dropdown').addClass('active')
1573 }
1574
1575 callback && callback()
1576 }
1577
1578 transition ?
1579 $active.one($.support.transition.end, next) :
1580 next()
1581
1582 $active.removeClass('in')
1583 }
1584 }
1585
1586
1587 /* TAB PLUGIN DEFINITION
1588 * ===================== */
1589
1590 $.fn.tab = function ( option ) {
1591 return this.each(function () {
1592 var $this = $(this)
1593 , data = $this.data('tab')
1594 if (!data) $this.data('tab', (data = new Tab(this)))
1595 if (typeof option == 'string') data[option]()
1596 })
1597 }
1598
1599 $.fn.tab.Constructor = Tab
1600
1601
1602 /* TAB DATA-API
1603 * ============ */
1604
1605 $(document).on('click.tab.data-api', '[data-toggle="tab"], [data-toggle="pill"]', function (e) {
1606 e.preventDefault()
1607 $(this).tab('show')
1608 })
1609
1610}(window.jQuery);/* =============================================================
1611 * bootstrap-typeahead.js v2.2.1
1612 * http://twitter.github.com/bootstrap/javascript.html#typeahead
1613 * =============================================================
1614 * Copyright 2012 Twitter, Inc.
1615 *
1616 * Licensed under the Apache License, Version 2.0 (the "License");
1617 * you may not use this file except in compliance with the License.
1618 * You may obtain a copy of the License at
1619 *
1620 * http://www.apache.org/licenses/LICENSE-2.0
1621 *
1622 * Unless required by applicable law or agreed to in writing, software
1623 * distributed under the License is distributed on an "AS IS" BASIS,
1624 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1625 * See the License for the specific language governing permissions and
1626 * limitations under the License.
1627 * ============================================================ */
1628
1629
1630!function($){
1631
1632 "use strict"; // jshint ;_;
1633
1634
1635 /* TYPEAHEAD PUBLIC CLASS DEFINITION
1636 * ================================= */
1637
1638 var Typeahead = function (element, options) {
1639 this.$element = $(element)
1640 this.options = $.extend({}, $.fn.typeahead.defaults, options)
1641 this.matcher = this.options.matcher || this.matcher
1642 this.sorter = this.options.sorter || this.sorter
1643 this.highlighter = this.options.highlighter || this.highlighter
1644 this.updater = this.options.updater || this.updater
1645 this.$menu = $(this.options.menu).appendTo('body')
1646 this.source = this.options.source
1647 this.shown = false
1648 this.listen()
1649 }
1650
1651 Typeahead.prototype = {
1652
1653 constructor: Typeahead
1654
1655 , select: function () {
1656 var val = this.$menu.find('.active').attr('data-value')
1657 this.$element
1658 .val(this.updater(val))
1659 .change()
1660 return this.hide()
1661 }
1662
1663 , updater: function (item) {
1664 return item
1665 }
1666
1667 , show: function () {
1668 var pos = $.extend({}, this.$element.offset(), {
1669 height: this.$element[0].offsetHeight
1670 })
1671
1672 this.$menu.css({
1673 top: pos.top + pos.height
1674 , left: pos.left
1675 })
1676
1677 this.$menu.show()
1678 this.shown = true
1679 return this
1680 }
1681
1682 , hide: function () {
1683 this.$menu.hide()
1684 this.shown = false
1685 return this
1686 }
1687
1688 , lookup: function (event) {
1689 var items
1690
1691 this.query = this.$element.val()
1692
1693 if (!this.query || this.query.length < this.options.minLength) {
1694 return this.shown ? this.hide() : this
1695 }
1696
1697 items = $.isFunction(this.source) ? this.source(this.query, $.proxy(this.process, this)) : this.source
1698
1699 return items ? this.process(items) : this
1700 }
1701
1702 , process: function (items) {
1703 var that = this
1704
1705 items = $.grep(items, function (item) {
1706 return that.matcher(item)
1707 })
1708
1709 items = this.sorter(items)
1710
1711 if (!items.length) {
1712 return this.shown ? this.hide() : this
1713 }
1714
1715 return this.render(items.slice(0, this.options.items)).show()
1716 }
1717
1718 , matcher: function (item) {
1719 return ~item.toLowerCase().indexOf(this.query.toLowerCase())
1720 }
1721
1722 , sorter: function (items) {
1723 var beginswith = []
1724 , caseSensitive = []
1725 , caseInsensitive = []
1726 , item
1727
1728 while (item = items.shift()) {
1729 if (!item.toLowerCase().indexOf(this.query.toLowerCase())) beginswith.push(item)
1730 else if (~item.indexOf(this.query)) caseSensitive.push(item)
1731 else caseInsensitive.push(item)
1732 }
1733
1734 return beginswith.concat(caseSensitive, caseInsensitive)
1735 }
1736
1737 , highlighter: function (item) {
1738 var query = this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&')
1739 return item.replace(new RegExp('(' + query + ')', 'ig'), function ($1, match) {
1740 return '<strong>' + match + '</strong>'
1741 })
1742 }
1743
1744 , render: function (items) {
1745 var that = this
1746
1747 items = $(items).map(function (i, item) {
1748 i = $(that.options.item).attr('data-value', item)
1749 i.find('a').html(that.highlighter(item))
1750 return i[0]
1751 })
1752
1753 items.first().addClass('active')
1754 this.$menu.html(items)
1755 return this
1756 }
1757
1758 , next: function (event) {
1759 var active = this.$menu.find('.active').removeClass('active')
1760 , next = active.next()
1761
1762 if (!next.length) {
1763 next = $(this.$menu.find('li')[0])
1764 }
1765
1766 next.addClass('active')
1767 }
1768
1769 , prev: function (event) {
1770 var active = this.$menu.find('.active').removeClass('active')
1771 , prev = active.prev()
1772
1773 if (!prev.length) {
1774 prev = this.$menu.find('li').last()
1775 }
1776
1777 prev.addClass('active')
1778 }
1779
1780 , listen: function () {
1781 this.$element
1782 .on('blur', $.proxy(this.blur, this))
1783 .on('keypress', $.proxy(this.keypress, this))
1784 .on('keyup', $.proxy(this.keyup, this))
1785
1786 if (this.eventSupported('keydown')) {
1787 this.$element.on('keydown', $.proxy(this.keydown, this))
1788 }
1789
1790 this.$menu
1791 .on('click', $.proxy(this.click, this))
1792 .on('mouseenter', 'li', $.proxy(this.mouseenter, this))
1793 }
1794
1795 , eventSupported: function(eventName) {
1796 var isSupported = eventName in this.$element
1797 if (!isSupported) {
1798 this.$element.setAttribute(eventName, 'return;')
1799 isSupported = typeof this.$element[eventName] === 'function'
1800 }
1801 return isSupported
1802 }
1803
1804 , move: function (e) {
1805 if (!this.shown) return
1806
1807 switch(e.keyCode) {
1808 case 9: // tab
1809 case 13: // enter
1810 case 27: // escape
1811 e.preventDefault()
1812 break
1813
1814 case 38: // up arrow
1815 e.preventDefault()
1816 this.prev()
1817 break
1818
1819 case 40: // down arrow
1820 e.preventDefault()
1821 this.next()
1822 break
1823 }
1824
1825 e.stopPropagation()
1826 }
1827
1828 , keydown: function (e) {
1829 this.suppressKeyPressRepeat = !~$.inArray(e.keyCode, [40,38,9,13,27])
1830 this.move(e)
1831 }
1832
1833 , keypress: function (e) {
1834 if (this.suppressKeyPressRepeat) return
1835 this.move(e)
1836 }
1837
1838 , keyup: function (e) {
1839 switch(e.keyCode) {
1840 case 40: // down arrow
1841 case 38: // up arrow
1842 case 16: // shift
1843 case 17: // ctrl
1844 case 18: // alt
1845 break
1846
1847 case 9: // tab
1848 case 13: // enter
1849 if (!this.shown) return
1850 this.select()
1851 break
1852
1853 case 27: // escape
1854 if (!this.shown) return
1855 this.hide()
1856 break
1857
1858 default:
1859 this.lookup()
1860 }
1861
1862 e.stopPropagation()
1863 e.preventDefault()
1864 }
1865
1866 , blur: function (e) {
1867 var that = this
1868 setTimeout(function () { that.hide() }, 150)
1869 }
1870
1871 , click: function (e) {
1872 e.stopPropagation()
1873 e.preventDefault()
1874 this.select()
1875 }
1876
1877 , mouseenter: function (e) {
1878 this.$menu.find('.active').removeClass('active')
1879 $(e.currentTarget).addClass('active')
1880 }
1881
1882 }
1883
1884
1885 /* TYPEAHEAD PLUGIN DEFINITION
1886 * =========================== */
1887
1888 $.fn.typeahead = function (option) {
1889 return this.each(function () {
1890 var $this = $(this)
1891 , data = $this.data('typeahead')
1892 , options = typeof option == 'object' && option
1893 if (!data) $this.data('typeahead', (data = new Typeahead(this, options)))
1894 if (typeof option == 'string') data[option]()
1895 })
1896 }
1897
1898 $.fn.typeahead.defaults = {
1899 source: []
1900 , items: 8
1901 , menu: '<ul class="typeahead dropdown-menu"></ul>'
1902 , item: '<li><a href="#"></a></li>'
1903 , minLength: 1
1904 }
1905
1906 $.fn.typeahead.Constructor = Typeahead
1907
1908
1909 /* TYPEAHEAD DATA-API
1910 * ================== */
1911
1912 $(document).on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) {
1913 var $this = $(this)
1914 if ($this.data('typeahead')) return
1915 e.preventDefault()
1916 $this.typeahead($this.data())
1917 })
1918
1919}(window.jQuery);
1920/* ==========================================================
1921 * bootstrap-affix.js v2.2.1
1922 * http://twitter.github.com/bootstrap/javascript.html#affix
1923 * ==========================================================
1924 * Copyright 2012 Twitter, Inc.
1925 *
1926 * Licensed under the Apache License, Version 2.0 (the "License");
1927 * you may not use this file except in compliance with the License.
1928 * You may obtain a copy of the License at
1929 *
1930 * http://www.apache.org/licenses/LICENSE-2.0
1931 *
1932 * Unless required by applicable law or agreed to in writing, software
1933 * distributed under the License is distributed on an "AS IS" BASIS,
1934 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1935 * See the License for the specific language governing permissions and
1936 * limitations under the License.
1937 * ========================================================== */
1938
1939
1940!function ($) {
1941
1942 "use strict"; // jshint ;_;
1943
1944
1945 /* AFFIX CLASS DEFINITION
1946 * ====================== */
1947
1948 var Affix = function (element, options) {
1949 this.options = $.extend({}, $.fn.affix.defaults, options)
1950 this.$window = $(window)
1951 .on('scroll.affix.data-api', $.proxy(this.checkPosition, this))
1952 .on('click.affix.data-api', $.proxy(function () { setTimeout($.proxy(this.checkPosition, this), 1) }, this))
1953 this.$element = $(element)
1954 this.checkPosition()
1955 }
1956
1957 Affix.prototype.checkPosition = function () {
1958 if (!this.$element.is(':visible')) return
1959
1960 var scrollHeight = $(document).height()
1961 , scrollTop = this.$window.scrollTop()
1962 , position = this.$element.offset()
1963 , offset = this.options.offset
1964 , offsetBottom = offset.bottom
1965 , offsetTop = offset.top
1966 , reset = 'affix affix-top affix-bottom'
1967 , affix
1968
1969 if (typeof offset != 'object') offsetBottom = offsetTop = offset
1970 if (typeof offsetTop == 'function') offsetTop = offset.top()
1971 if (typeof offsetBottom == 'function') offsetBottom = offset.bottom()
1972
1973 affix = this.unpin != null && (scrollTop + this.unpin <= position.top) ?
1974 false : offsetBottom != null && (position.top + this.$element.height() >= scrollHeight - offsetBottom) ?
1975 'bottom' : offsetTop != null && scrollTop <= offsetTop ?
1976 'top' : false
1977
1978 if (this.affixed === affix) return
1979
1980 this.affixed = affix
1981 this.unpin = affix == 'bottom' ? position.top - scrollTop : null
1982
1983 this.$element.removeClass(reset).addClass('affix' + (affix ? '-' + affix : ''))
1984 }
1985
1986
1987 /* AFFIX PLUGIN DEFINITION
1988 * ======================= */
1989
1990 $.fn.affix = function (option) {
1991 return this.each(function () {
1992 var $this = $(this)
1993 , data = $this.data('affix')
1994 , options = typeof option == 'object' && option
1995 if (!data) $this.data('affix', (data = new Affix(this, options)))
1996 if (typeof option == 'string') data[option]()
1997 })
1998 }
1999
2000 $.fn.affix.Constructor = Affix
2001
2002 $.fn.affix.defaults = {
2003 offset: 0
2004 }
2005
2006
2007 /* AFFIX DATA-API
2008 * ============== */
2009
2010 $(window).on('load', function () {
2011 $('[data-spy="affix"]').each(function () {
2012 var $spy = $(this)
2013 , data = $spy.data()
2014
2015 data.offset = data.offset || {}
2016
2017 data.offsetBottom && (data.offset.bottom = data.offsetBottom)
2018 data.offsetTop && (data.offset.top = data.offsetTop)
2019
2020 $spy.affix(data)
2021 })
2022 })
2023
2024
2025}(window.jQuery);
js/lib/jquery-1.8.0.min.js
(2 / 0)
  
1/*! jQuery v@1.8.0 jquery.com | jquery.org/license */
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(4 / 0)
  
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js/lib/underscore.js
(1200 / 0)
  
1// Underscore.js 1.4.2
2// http://underscorejs.org
3// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
4// Underscore may be freely distributed under the MIT license.
5
6(function() {
7
8 // Baseline setup
9 // --------------
10
11 // Establish the root object, `window` in the browser, or `global` on the server.
12 var root = this;
13
14 // Save the previous value of the `_` variable.
15 var previousUnderscore = root._;
16
17 // Establish the object that gets returned to break out of a loop iteration.
18 var breaker = {};
19
20 // Save bytes in the minified (but not gzipped) version:
21 var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
22
23 // Create quick reference variables for speed access to core prototypes.
24 var push = ArrayProto.push,
25 slice = ArrayProto.slice,
26 concat = ArrayProto.concat,
27 unshift = ArrayProto.unshift,
28 toString = ObjProto.toString,
29 hasOwnProperty = ObjProto.hasOwnProperty;
30
31 // All **ECMAScript 5** native function implementations that we hope to use
32 // are declared here.
33 var
34 nativeForEach = ArrayProto.forEach,
35 nativeMap = ArrayProto.map,
36 nativeReduce = ArrayProto.reduce,
37 nativeReduceRight = ArrayProto.reduceRight,
38 nativeFilter = ArrayProto.filter,
39 nativeEvery = ArrayProto.every,
40 nativeSome = ArrayProto.some,
41 nativeIndexOf = ArrayProto.indexOf,
42 nativeLastIndexOf = ArrayProto.lastIndexOf,
43 nativeIsArray = Array.isArray,
44 nativeKeys = Object.keys,
45 nativeBind = FuncProto.bind;
46
47 // Create a safe reference to the Underscore object for use below.
48 var _ = function(obj) {
49 if (obj instanceof _) return obj;
50 if (!(this instanceof _)) return new _(obj);
51 this._wrapped = obj;
52 };
53
54 // Export the Underscore object for **Node.js**, with
55 // backwards-compatibility for the old `require()` API. If we're in
56 // the browser, add `_` as a global object via a string identifier,
57 // for Closure Compiler "advanced" mode.
58 if (typeof exports !== 'undefined') {
59 if (typeof module !== 'undefined' && module.exports) {
60 exports = module.exports = _;
61 }
62 exports._ = _;
63 } else {
64 root['_'] = _;
65 }
66
67 // Current version.
68 _.VERSION = '1.4.2';
69
70 // Collection Functions
71 // --------------------
72
73 // The cornerstone, an `each` implementation, aka `forEach`.
74 // Handles objects with the built-in `forEach`, arrays, and raw objects.
75 // Delegates to **ECMAScript 5**'s native `forEach` if available.
76 var each = _.each = _.forEach = function(obj, iterator, context) {
77 if (obj == null) return;
78 if (nativeForEach && obj.forEach === nativeForEach) {
79 obj.forEach(iterator, context);
80 } else if (obj.length === +obj.length) {
81 for (var i = 0, l = obj.length; i < l; i++) {
82 if (iterator.call(context, obj[i], i, obj) === breaker) return;
83 }
84 } else {
85 for (var key in obj) {
86 if (_.has(obj, key)) {
87 if (iterator.call(context, obj[key], key, obj) === breaker) return;
88 }
89 }
90 }
91 };
92
93 // Return the results of applying the iterator to each element.
94 // Delegates to **ECMAScript 5**'s native `map` if available.
95 _.map = _.collect = function(obj, iterator, context) {
96 var results = [];
97 if (obj == null) return results;
98 if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
99 each(obj, function(value, index, list) {
100 results[results.length] = iterator.call(context, value, index, list);
101 });
102 return results;
103 };
104
105 // **Reduce** builds up a single result from a list of values, aka `inject`,
106 // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
107 _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
108 var initial = arguments.length > 2;
109 if (obj == null) obj = [];
110 if (nativeReduce && obj.reduce === nativeReduce) {
111 if (context) iterator = _.bind(iterator, context);
112 return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
113 }
114 each(obj, function(value, index, list) {
115 if (!initial) {
116 memo = value;
117 initial = true;
118 } else {
119 memo = iterator.call(context, memo, value, index, list);
120 }
121 });
122 if (!initial) throw new TypeError('Reduce of empty array with no initial value');
123 return memo;
124 };
125
126 // The right-associative version of reduce, also known as `foldr`.
127 // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
128 _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
129 var initial = arguments.length > 2;
130 if (obj == null) obj = [];
131 if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
132 if (context) iterator = _.bind(iterator, context);
133 return arguments.length > 2 ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
134 }
135 var length = obj.length;
136 if (length !== +length) {
137 var keys = _.keys(obj);
138 length = keys.length;
139 }
140 each(obj, function(value, index, list) {
141 index = keys ? keys[--length] : --length;
142 if (!initial) {
143 memo = obj[index];
144 initial = true;
145 } else {
146 memo = iterator.call(context, memo, obj[index], index, list);
147 }
148 });
149 if (!initial) throw new TypeError('Reduce of empty array with no initial value');
150 return memo;
151 };
152
153 // Return the first value which passes a truth test. Aliased as `detect`.
154 _.find = _.detect = function(obj, iterator, context) {
155 var result;
156 any(obj, function(value, index, list) {
157 if (iterator.call(context, value, index, list)) {
158 result = value;
159 return true;
160 }
161 });
162 return result;
163 };
164
165 // Return all the elements that pass a truth test.
166 // Delegates to **ECMAScript 5**'s native `filter` if available.
167 // Aliased as `select`.
168 _.filter = _.select = function(obj, iterator, context) {
169 var results = [];
170 if (obj == null) return results;
171 if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
172 each(obj, function(value, index, list) {
173 if (iterator.call(context, value, index, list)) results[results.length] = value;
174 });
175 return results;
176 };
177
178 // Return all the elements for which a truth test fails.
179 _.reject = function(obj, iterator, context) {
180 var results = [];
181 if (obj == null) return results;
182 each(obj, function(value, index, list) {
183 if (!iterator.call(context, value, index, list)) results[results.length] = value;
184 });
185 return results;
186 };
187
188 // Determine whether all of the elements match a truth test.
189 // Delegates to **ECMAScript 5**'s native `every` if available.
190 // Aliased as `all`.
191 _.every = _.all = function(obj, iterator, context) {
192 iterator || (iterator = _.identity);
193 var result = true;
194 if (obj == null) return result;
195 if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
196 each(obj, function(value, index, list) {
197 if (!(result = result && iterator.call(context, value, index, list))) return breaker;
198 });
199 return !!result;
200 };
201
202 // Determine if at least one element in the object matches a truth test.
203 // Delegates to **ECMAScript 5**'s native `some` if available.
204 // Aliased as `any`.
205 var any = _.some = _.any = function(obj, iterator, context) {
206 iterator || (iterator = _.identity);
207 var result = false;
208 if (obj == null) return result;
209 if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
210 each(obj, function(value, index, list) {
211 if (result || (result = iterator.call(context, value, index, list))) return breaker;
212 });
213 return !!result;
214 };
215
216 // Determine if the array or object contains a given value (using `===`).
217 // Aliased as `include`.
218 _.contains = _.include = function(obj, target) {
219 var found = false;
220 if (obj == null) return found;
221 if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
222 found = any(obj, function(value) {
223 return value === target;
224 });
225 return found;
226 };
227
228 // Invoke a method (with arguments) on every item in a collection.
229 _.invoke = function(obj, method) {
230 var args = slice.call(arguments, 2);
231 return _.map(obj, function(value) {
232 return (_.isFunction(method) ? method : value[method]).apply(value, args);
233 });
234 };
235
236 // Convenience version of a common use case of `map`: fetching a property.
237 _.pluck = function(obj, key) {
238 return _.map(obj, function(value){ return value[key]; });
239 };
240
241 // Convenience version of a common use case of `filter`: selecting only objects
242 // with specific `key:value` pairs.
243 _.where = function(obj, attrs) {
244 if (_.isEmpty(attrs)) return [];
245 return _.filter(obj, function(value) {
246 for (var key in attrs) {
247 if (attrs[key] !== value[key]) return false;
248 }
249 return true;
250 });
251 };
252
253 // Return the maximum element or (element-based computation).
254 // Can't optimize arrays of integers longer than 65,535 elements.
255 // See: https://bugs.webkit.org/show_bug.cgi?id=80797
256 _.max = function(obj, iterator, context) {
257 if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
258 return Math.max.apply(Math, obj);
259 }
260 if (!iterator && _.isEmpty(obj)) return -Infinity;
261 var result = {computed : -Infinity};
262 each(obj, function(value, index, list) {
263 var computed = iterator ? iterator.call(context, value, index, list) : value;
264 computed >= result.computed && (result = {value : value, computed : computed});
265 });
266 return result.value;
267 };
268
269 // Return the minimum element (or element-based computation).
270 _.min = function(obj, iterator, context) {
271 if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
272 return Math.min.apply(Math, obj);
273 }
274 if (!iterator && _.isEmpty(obj)) return Infinity;
275 var result = {computed : Infinity};
276 each(obj, function(value, index, list) {
277 var computed = iterator ? iterator.call(context, value, index, list) : value;
278 computed < result.computed && (result = {value : value, computed : computed});
279 });
280 return result.value;
281 };
282
283 // Shuffle an array.
284 _.shuffle = function(obj) {
285 var rand;
286 var index = 0;
287 var shuffled = [];
288 each(obj, function(value) {
289 rand = _.random(index++);
290 shuffled[index - 1] = shuffled[rand];
291 shuffled[rand] = value;
292 });
293 return shuffled;
294 };
295
296 // An internal function to generate lookup iterators.
297 var lookupIterator = function(value) {
298 return _.isFunction(value) ? value : function(obj){ return obj[value]; };
299 };
300
301 // Sort the object's values by a criterion produced by an iterator.
302 _.sortBy = function(obj, value, context) {
303 var iterator = lookupIterator(value);
304 return _.pluck(_.map(obj, function(value, index, list) {
305 return {
306 value : value,
307 index : index,
308 criteria : iterator.call(context, value, index, list)
309 };
310 }).sort(function(left, right) {
311 var a = left.criteria;
312 var b = right.criteria;
313 if (a !== b) {
314 if (a > b || a === void 0) return 1;
315 if (a < b || b === void 0) return -1;
316 }
317 return left.index < right.index ? -1 : 1;
318 }), 'value');
319 };
320
321 // An internal function used for aggregate "group by" operations.
322 var group = function(obj, value, context, behavior) {
323 var result = {};
324 var iterator = lookupIterator(value);
325 each(obj, function(value, index) {
326 var key = iterator.call(context, value, index, obj);
327 behavior(result, key, value);
328 });
329 return result;
330 };
331
332 // Groups the object's values by a criterion. Pass either a string attribute
333 // to group by, or a function that returns the criterion.
334 _.groupBy = function(obj, value, context) {
335 return group(obj, value, context, function(result, key, value) {
336 (_.has(result, key) ? result[key] : (result[key] = [])).push(value);
337 });
338 };
339
340 // Counts instances of an object that group by a certain criterion. Pass
341 // either a string attribute to count by, or a function that returns the
342 // criterion.
343 _.countBy = function(obj, value, context) {
344 return group(obj, value, context, function(result, key, value) {
345 if (!_.has(result, key)) result[key] = 0;
346 result[key]++;
347 });
348 };
349
350 // Use a comparator function to figure out the smallest index at which
351 // an object should be inserted so as to maintain order. Uses binary search.
352 _.sortedIndex = function(array, obj, iterator, context) {
353 iterator = iterator == null ? _.identity : lookupIterator(iterator);
354 var value = iterator.call(context, obj);
355 var low = 0, high = array.length;
356 while (low < high) {
357 var mid = (low + high) >>> 1;
358 iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
359 }
360 return low;
361 };
362
363 // Safely convert anything iterable into a real, live array.
364 _.toArray = function(obj) {
365 if (!obj) return [];
366 if (obj.length === +obj.length) return slice.call(obj);
367 return _.values(obj);
368 };
369
370 // Return the number of elements in an object.
371 _.size = function(obj) {
372 return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
373 };
374
375 // Array Functions
376 // ---------------
377
378 // Get the first element of an array. Passing **n** will return the first N
379 // values in the array. Aliased as `head` and `take`. The **guard** check
380 // allows it to work with `_.map`.
381 _.first = _.head = _.take = function(array, n, guard) {
382 return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
383 };
384
385 // Returns everything but the last entry of the array. Especially useful on
386 // the arguments object. Passing **n** will return all the values in
387 // the array, excluding the last N. The **guard** check allows it to work with
388 // `_.map`.
389 _.initial = function(array, n, guard) {
390 return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
391 };
392
393 // Get the last element of an array. Passing **n** will return the last N
394 // values in the array. The **guard** check allows it to work with `_.map`.
395 _.last = function(array, n, guard) {
396 if ((n != null) && !guard) {
397 return slice.call(array, Math.max(array.length - n, 0));
398 } else {
399 return array[array.length - 1];
400 }
401 };
402
403 // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
404 // Especially useful on the arguments object. Passing an **n** will return
405 // the rest N values in the array. The **guard**
406 // check allows it to work with `_.map`.
407 _.rest = _.tail = _.drop = function(array, n, guard) {
408 return slice.call(array, (n == null) || guard ? 1 : n);
409 };
410
411 // Trim out all falsy values from an array.
412 _.compact = function(array) {
413 return _.filter(array, function(value){ return !!value; });
414 };
415
416 // Internal implementation of a recursive `flatten` function.
417 var flatten = function(input, shallow, output) {
418 each(input, function(value) {
419 if (_.isArray(value)) {
420 shallow ? push.apply(output, value) : flatten(value, shallow, output);
421 } else {
422 output.push(value);
423 }
424 });
425 return output;
426 };
427
428 // Return a completely flattened version of an array.
429 _.flatten = function(array, shallow) {
430 return flatten(array, shallow, []);
431 };
432
433 // Return a version of the array that does not contain the specified value(s).
434 _.without = function(array) {
435 return _.difference(array, slice.call(arguments, 1));
436 };
437
438 // Produce a duplicate-free version of the array. If the array has already
439 // been sorted, you have the option of using a faster algorithm.
440 // Aliased as `unique`.
441 _.uniq = _.unique = function(array, isSorted, iterator, context) {
442 var initial = iterator ? _.map(array, iterator, context) : array;
443 var results = [];
444 var seen = [];
445 each(initial, function(value, index) {
446 if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
447 seen.push(value);
448 results.push(array[index]);
449 }
450 });
451 return results;
452 };
453
454 // Produce an array that contains the union: each distinct element from all of
455 // the passed-in arrays.
456 _.union = function() {
457 return _.uniq(concat.apply(ArrayProto, arguments));
458 };
459
460 // Produce an array that contains every item shared between all the
461 // passed-in arrays.
462 _.intersection = function(array) {
463 var rest = slice.call(arguments, 1);
464 return _.filter(_.uniq(array), function(item) {
465 return _.every(rest, function(other) {
466 return _.indexOf(other, item) >= 0;
467 });
468 });
469 };
470
471 // Take the difference between one array and a number of other arrays.
472 // Only the elements present in just the first array will remain.
473 _.difference = function(array) {
474 var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
475 return _.filter(array, function(value){ return !_.contains(rest, value); });
476 };
477
478 // Zip together multiple lists into a single array -- elements that share
479 // an index go together.
480 _.zip = function() {
481 var args = slice.call(arguments);
482 var length = _.max(_.pluck(args, 'length'));
483 var results = new Array(length);
484 for (var i = 0; i < length; i++) {
485 results[i] = _.pluck(args, "" + i);
486 }
487 return results;
488 };
489
490 // Converts lists into objects. Pass either a single array of `[key, value]`
491 // pairs, or two parallel arrays of the same length -- one of keys, and one of
492 // the corresponding values.
493 _.object = function(list, values) {
494 var result = {};
495 for (var i = 0, l = list.length; i < l; i++) {
496 if (values) {
497 result[list[i]] = values[i];
498 } else {
499 result[list[i][0]] = list[i][1];
500 }
501 }
502 return result;
503 };
504
505 // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
506 // we need this function. Return the position of the first occurrence of an
507 // item in an array, or -1 if the item is not included in the array.
508 // Delegates to **ECMAScript 5**'s native `indexOf` if available.
509 // If the array is large and already in sort order, pass `true`
510 // for **isSorted** to use binary search.
511 _.indexOf = function(array, item, isSorted) {
512 if (array == null) return -1;
513 var i = 0, l = array.length;
514 if (isSorted) {
515 if (typeof isSorted == 'number') {
516 i = (isSorted < 0 ? Math.max(0, l + isSorted) : isSorted);
517 } else {
518 i = _.sortedIndex(array, item);
519 return array[i] === item ? i : -1;
520 }
521 }
522 if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
523 for (; i < l; i++) if (array[i] === item) return i;
524 return -1;
525 };
526
527 // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
528 _.lastIndexOf = function(array, item, from) {
529 if (array == null) return -1;
530 var hasIndex = from != null;
531 if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
532 return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
533 }
534 var i = (hasIndex ? from : array.length);
535 while (i--) if (array[i] === item) return i;
536 return -1;
537 };
538
539 // Generate an integer Array containing an arithmetic progression. A port of
540 // the native Python `range()` function. See
541 // [the Python documentation](http://docs.python.org/library/functions.html#range).
542 _.range = function(start, stop, step) {
543 if (arguments.length <= 1) {
544 stop = start || 0;
545 start = 0;
546 }
547 step = arguments[2] || 1;
548
549 var len = Math.max(Math.ceil((stop - start) / step), 0);
550 var idx = 0;
551 var range = new Array(len);
552
553 while(idx < len) {
554 range[idx++] = start;
555 start += step;
556 }
557
558 return range;
559 };
560
561 // Function (ahem) Functions
562 // ------------------
563
564 // Reusable constructor function for prototype setting.
565 var ctor = function(){};
566
567 // Create a function bound to a given object (assigning `this`, and arguments,
568 // optionally). Binding with arguments is also known as `curry`.
569 // Delegates to **ECMAScript 5**'s native `Function.bind` if available.
570 // We check for `func.bind` first, to fail fast when `func` is undefined.
571 _.bind = function bind(func, context) {
572 var bound, args;
573 if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
574 if (!_.isFunction(func)) throw new TypeError;
575 args = slice.call(arguments, 2);
576 return bound = function() {
577 if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
578 ctor.prototype = func.prototype;
579 var self = new ctor;
580 var result = func.apply(self, args.concat(slice.call(arguments)));
581 if (Object(result) === result) return result;
582 return self;
583 };
584 };
585
586 // Bind all of an object's methods to that object. Useful for ensuring that
587 // all callbacks defined on an object belong to it.
588 _.bindAll = function(obj) {
589 var funcs = slice.call(arguments, 1);
590 if (funcs.length == 0) funcs = _.functions(obj);
591 each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
592 return obj;
593 };
594
595 // Memoize an expensive function by storing its results.
596 _.memoize = function(func, hasher) {
597 var memo = {};
598 hasher || (hasher = _.identity);
599 return function() {
600 var key = hasher.apply(this, arguments);
601 return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
602 };
603 };
604
605 // Delays a function for the given number of milliseconds, and then calls
606 // it with the arguments supplied.
607 _.delay = function(func, wait) {
608 var args = slice.call(arguments, 2);
609 return setTimeout(function(){ return func.apply(null, args); }, wait);
610 };
611
612 // Defers a function, scheduling it to run after the current call stack has
613 // cleared.
614 _.defer = function(func) {
615 return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
616 };
617
618 // Returns a function, that, when invoked, will only be triggered at most once
619 // during a given window of time.
620 _.throttle = function(func, wait) {
621 var context, args, timeout, throttling, more, result;
622 var whenDone = _.debounce(function(){ more = throttling = false; }, wait);
623 return function() {
624 context = this; args = arguments;
625 var later = function() {
626 timeout = null;
627 if (more) {
628 result = func.apply(context, args);
629 }
630 whenDone();
631 };
632 if (!timeout) timeout = setTimeout(later, wait);
633 if (throttling) {
634 more = true;
635 } else {
636 throttling = true;
637 result = func.apply(context, args);
638 }
639 whenDone();
640 return result;
641 };
642 };
643
644 // Returns a function, that, as long as it continues to be invoked, will not
645 // be triggered. The function will be called after it stops being called for
646 // N milliseconds. If `immediate` is passed, trigger the function on the
647 // leading edge, instead of the trailing.
648 _.debounce = function(func, wait, immediate) {
649 var timeout, result;
650 return function() {
651 var context = this, args = arguments;
652 var later = function() {
653 timeout = null;
654 if (!immediate) result = func.apply(context, args);
655 };
656 var callNow = immediate && !timeout;
657 clearTimeout(timeout);
658 timeout = setTimeout(later, wait);
659 if (callNow) result = func.apply(context, args);
660 return result;
661 };
662 };
663
664 // Returns a function that will be executed at most one time, no matter how
665 // often you call it. Useful for lazy initialization.
666 _.once = function(func) {
667 var ran = false, memo;
668 return function() {
669 if (ran) return memo;
670 ran = true;
671 memo = func.apply(this, arguments);
672 func = null;
673 return memo;
674 };
675 };
676
677 // Returns the first function passed as an argument to the second,
678 // allowing you to adjust arguments, run code before and after, and
679 // conditionally execute the original function.
680 _.wrap = function(func, wrapper) {
681 return function() {
682 var args = [func];
683 push.apply(args, arguments);
684 return wrapper.apply(this, args);
685 };
686 };
687
688 // Returns a function that is the composition of a list of functions, each
689 // consuming the return value of the function that follows.
690 _.compose = function() {
691 var funcs = arguments;
692 return function() {
693 var args = arguments;
694 for (var i = funcs.length - 1; i >= 0; i--) {
695 args = [funcs[i].apply(this, args)];
696 }
697 return args[0];
698 };
699 };
700
701 // Returns a function that will only be executed after being called N times.
702 _.after = function(times, func) {
703 if (times <= 0) return func();
704 return function() {
705 if (--times < 1) {
706 return func.apply(this, arguments);
707 }
708 };
709 };
710
711 // Object Functions
712 // ----------------
713
714 // Retrieve the names of an object's properties.
715 // Delegates to **ECMAScript 5**'s native `Object.keys`
716 _.keys = nativeKeys || function(obj) {
717 if (obj !== Object(obj)) throw new TypeError('Invalid object');
718 var keys = [];
719 for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
720 return keys;
721 };
722
723 // Retrieve the values of an object's properties.
724 _.values = function(obj) {
725 var values = [];
726 for (var key in obj) if (_.has(obj, key)) values.push(obj[key]);
727 return values;
728 };
729
730 // Convert an object into a list of `[key, value]` pairs.
731 _.pairs = function(obj) {
732 var pairs = [];
733 for (var key in obj) if (_.has(obj, key)) pairs.push([key, obj[key]]);
734 return pairs;
735 };
736
737 // Invert the keys and values of an object. The values must be serializable.
738 _.invert = function(obj) {
739 var result = {};
740 for (var key in obj) if (_.has(obj, key)) result[obj[key]] = key;
741 return result;
742 };
743
744 // Return a sorted list of the function names available on the object.
745 // Aliased as `methods`
746 _.functions = _.methods = function(obj) {
747 var names = [];
748 for (var key in obj) {
749 if (_.isFunction(obj[key])) names.push(key);
750 }
751 return names.sort();
752 };
753
754 // Extend a given object with all the properties in passed-in object(s).
755 _.extend = function(obj) {
756 each(slice.call(arguments, 1), function(source) {
757 for (var prop in source) {
758 obj[prop] = source[prop];
759 }
760 });
761 return obj;
762 };
763
764 // Return a copy of the object only containing the whitelisted properties.
765 _.pick = function(obj) {
766 var copy = {};
767 var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
768 each(keys, function(key) {
769 if (key in obj) copy[key] = obj[key];
770 });
771 return copy;
772 };
773
774 // Return a copy of the object without the blacklisted properties.
775 _.omit = function(obj) {
776 var copy = {};
777 var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
778 for (var key in obj) {
779 if (!_.contains(keys, key)) copy[key] = obj[key];
780 }
781 return copy;
782 };
783
784 // Fill in a given object with default properties.
785 _.defaults = function(obj) {
786 each(slice.call(arguments, 1), function(source) {
787 for (var prop in source) {
788 if (obj[prop] == null) obj[prop] = source[prop];
789 }
790 });
791 return obj;
792 };
793
794 // Create a (shallow-cloned) duplicate of an object.
795 _.clone = function(obj) {
796 if (!_.isObject(obj)) return obj;
797 return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
798 };
799
800 // Invokes interceptor with the obj, and then returns obj.
801 // The primary purpose of this method is to "tap into" a method chain, in
802 // order to perform operations on intermediate results within the chain.
803 _.tap = function(obj, interceptor) {
804 interceptor(obj);
805 return obj;
806 };
807
808 // Internal recursive comparison function for `isEqual`.
809 var eq = function(a, b, aStack, bStack) {
810 // Identical objects are equal. `0 === -0`, but they aren't identical.
811 // See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
812 if (a === b) return a !== 0 || 1 / a == 1 / b;
813 // A strict comparison is necessary because `null == undefined`.
814 if (a == null || b == null) return a === b;
815 // Unwrap any wrapped objects.
816 if (a instanceof _) a = a._wrapped;
817 if (b instanceof _) b = b._wrapped;
818 // Compare `[[Class]]` names.
819 var className = toString.call(a);
820 if (className != toString.call(b)) return false;
821 switch (className) {
822 // Strings, numbers, dates, and booleans are compared by value.
823 case '[object String]':
824 // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
825 // equivalent to `new String("5")`.
826 return a == String(b);
827 case '[object Number]':
828 // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
829 // other numeric values.
830 return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
831 case '[object Date]':
832 case '[object Boolean]':
833 // Coerce dates and booleans to numeric primitive values. Dates are compared by their
834 // millisecond representations. Note that invalid dates with millisecond representations
835 // of `NaN` are not equivalent.
836 return +a == +b;
837 // RegExps are compared by their source patterns and flags.
838 case '[object RegExp]':
839 return a.source == b.source &&
840 a.global == b.global &&
841 a.multiline == b.multiline &&
842 a.ignoreCase == b.ignoreCase;
843 }
844 if (typeof a != 'object' || typeof b != 'object') return false;
845 // Assume equality for cyclic structures. The algorithm for detecting cyclic
846 // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
847 var length = aStack.length;
848 while (length--) {
849 // Linear search. Performance is inversely proportional to the number of
850 // unique nested structures.
851 if (aStack[length] == a) return bStack[length] == b;
852 }
853 // Add the first object to the stack of traversed objects.
854 aStack.push(a);
855 bStack.push(b);
856 var size = 0, result = true;
857 // Recursively compare objects and arrays.
858 if (className == '[object Array]') {
859 // Compare array lengths to determine if a deep comparison is necessary.
860 size = a.length;
861 result = size == b.length;
862 if (result) {
863 // Deep compare the contents, ignoring non-numeric properties.
864 while (size--) {
865 if (!(result = eq(a[size], b[size], aStack, bStack))) break;
866 }
867 }
868 } else {
869 // Objects with different constructors are not equivalent, but `Object`s
870 // from different frames are.
871 var aCtor = a.constructor, bCtor = b.constructor;
872 if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
873 _.isFunction(bCtor) && (bCtor instanceof bCtor))) {
874 return false;
875 }
876 // Deep compare objects.
877 for (var key in a) {
878 if (_.has(a, key)) {
879 // Count the expected number of properties.
880 size++;
881 // Deep compare each member.
882 if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
883 }
884 }
885 // Ensure that both objects contain the same number of properties.
886 if (result) {
887 for (key in b) {
888 if (_.has(b, key) && !(size--)) break;
889 }
890 result = !size;
891 }
892 }
893 // Remove the first object from the stack of traversed objects.
894 aStack.pop();
895 bStack.pop();
896 return result;
897 };
898
899 // Perform a deep comparison to check if two objects are equal.
900 _.isEqual = function(a, b) {
901 return eq(a, b, [], []);
902 };
903
904 // Is a given array, string, or object empty?
905 // An "empty" object has no enumerable own-properties.
906 _.isEmpty = function(obj) {
907 if (obj == null) return true;
908 if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
909 for (var key in obj) if (_.has(obj, key)) return false;
910 return true;
911 };
912
913 // Is a given value a DOM element?
914 _.isElement = function(obj) {
915 return !!(obj && obj.nodeType === 1);
916 };
917
918 // Is a given value an array?
919 // Delegates to ECMA5's native Array.isArray
920 _.isArray = nativeIsArray || function(obj) {
921 return toString.call(obj) == '[object Array]';
922 };
923
924 // Is a given variable an object?
925 _.isObject = function(obj) {
926 return obj === Object(obj);
927 };
928
929 // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
930 each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
931 _['is' + name] = function(obj) {
932 return toString.call(obj) == '[object ' + name + ']';
933 };
934 });
935
936 // Define a fallback version of the method in browsers (ahem, IE), where
937 // there isn't any inspectable "Arguments" type.
938 if (!_.isArguments(arguments)) {
939 _.isArguments = function(obj) {
940 return !!(obj && _.has(obj, 'callee'));
941 };
942 }
943
944 // Optimize `isFunction` if appropriate.
945 if (typeof (/./) !== 'function') {
946 _.isFunction = function(obj) {
947 return typeof obj === 'function';
948 };
949 }
950
951 // Is a given object a finite number?
952 _.isFinite = function(obj) {
953 return _.isNumber(obj) && isFinite(obj);
954 };
955
956 // Is the given value `NaN`? (NaN is the only number which does not equal itself).
957 _.isNaN = function(obj) {
958 return _.isNumber(obj) && obj != +obj;
959 };
960
961 // Is a given value a boolean?
962 _.isBoolean = function(obj) {
963 return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
964 };
965
966 // Is a given value equal to null?
967 _.isNull = function(obj) {
968 return obj === null;
969 };
970
971 // Is a given variable undefined?
972 _.isUndefined = function(obj) {
973 return obj === void 0;
974 };
975
976 // Shortcut function for checking if an object has a given property directly
977 // on itself (in other words, not on a prototype).
978 _.has = function(obj, key) {
979 return hasOwnProperty.call(obj, key);
980 };
981
982 // Utility Functions
983 // -----------------
984
985 // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
986 // previous owner. Returns a reference to the Underscore object.
987 _.noConflict = function() {
988 root._ = previousUnderscore;
989 return this;
990 };
991
992 // Keep the identity function around for default iterators.
993 _.identity = function(value) {
994 return value;
995 };
996
997 // Run a function **n** times.
998 _.times = function(n, iterator, context) {
999 for (var i = 0; i < n; i++) iterator.call(context, i);
1000 };
1001
1002 // Return a random integer between min and max (inclusive).
1003 _.random = function(min, max) {
1004 if (max == null) {
1005 max = min;
1006 min = 0;
1007 }
1008 return min + (0 | Math.random() * (max - min + 1));
1009 };
1010
1011 // List of HTML entities for escaping.
1012 var entityMap = {
1013 escape: {
1014 '&': '&amp;',
1015 '<': '&lt;',
1016 '>': '&gt;',
1017 '"': '&quot;',
1018 "'": '&#x27;',
1019 '/': '&#x2F;'
1020 }
1021 };
1022 entityMap.unescape = _.invert(entityMap.escape);
1023
1024 // Regexes containing the keys and values listed immediately above.
1025 var entityRegexes = {
1026 escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
1027 unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
1028 };
1029
1030 // Functions for escaping and unescaping strings to/from HTML interpolation.
1031 _.each(['escape', 'unescape'], function(method) {
1032 _[method] = function(string) {
1033 if (string == null) return '';
1034 return ('' + string).replace(entityRegexes[method], function(match) {
1035 return entityMap[method][match];
1036 });
1037 };
1038 });
1039
1040 // If the value of the named property is a function then invoke it;
1041 // otherwise, return it.
1042 _.result = function(object, property) {
1043 if (object == null) return null;
1044 var value = object[property];
1045 return _.isFunction(value) ? value.call(object) : value;
1046 };
1047
1048 // Add your own custom functions to the Underscore object.
1049 _.mixin = function(obj) {
1050 each(_.functions(obj), function(name){
1051 var func = _[name] = obj[name];
1052 _.prototype[name] = function() {
1053 var args = [this._wrapped];
1054 push.apply(args, arguments);
1055 return result.call(this, func.apply(_, args));
1056 };
1057 });
1058 };
1059
1060 // Generate a unique integer id (unique within the entire client session).
1061 // Useful for temporary DOM ids.
1062 var idCounter = 0;
1063 _.uniqueId = function(prefix) {
1064 var id = idCounter++;
1065 return prefix ? prefix + id : id;
1066 };
1067
1068 // By default, Underscore uses ERB-style template delimiters, change the
1069 // following template settings to use alternative delimiters.
1070 _.templateSettings = {
1071 evaluate : /<%([\s\S]+?)%>/g,
1072 interpolate : /<%=([\s\S]+?)%>/g,
1073 escape : /<%-([\s\S]+?)%>/g
1074 };
1075
1076 // When customizing `templateSettings`, if you don't want to define an
1077 // interpolation, evaluation or escaping regex, we need one that is
1078 // guaranteed not to match.
1079 var noMatch = /(.)^/;
1080
1081 // Certain characters need to be escaped so that they can be put into a
1082 // string literal.
1083 var escapes = {
1084 "'": "'",
1085 '\\': '\\',
1086 '\r': 'r',
1087 '\n': 'n',
1088 '\t': 't',
1089 '\u2028': 'u2028',
1090 '\u2029': 'u2029'
1091 };
1092
1093 var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
1094
1095 // JavaScript micro-templating, similar to John Resig's implementation.
1096 // Underscore templating handles arbitrary delimiters, preserves whitespace,
1097 // and correctly escapes quotes within interpolated code.
1098 _.template = function(text, data, settings) {
1099 settings = _.defaults({}, settings, _.templateSettings);
1100
1101 // Combine delimiters into one regular expression via alternation.
1102 var matcher = new RegExp([
1103 (settings.escape || noMatch).source,
1104 (settings.interpolate || noMatch).source,
1105 (settings.evaluate || noMatch).source
1106 ].join('|') + '|$', 'g');
1107
1108 // Compile the template source, escaping string literals appropriately.
1109 var index = 0;
1110 var source = "__p+='";
1111 text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
1112 source += text.slice(index, offset)
1113 .replace(escaper, function(match) { return '\\' + escapes[match]; });
1114 source +=
1115 escape ? "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'" :
1116 interpolate ? "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'" :
1117 evaluate ? "';\n" + evaluate + "\n__p+='" : '';
1118 index = offset + match.length;
1119 });
1120 source += "';\n";
1121
1122 // If a variable is not specified, place data values in local scope.
1123 if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
1124
1125 source = "var __t,__p='',__j=Array.prototype.join," +
1126 "print=function(){__p+=__j.call(arguments,'');};\n" +
1127 source + "return __p;\n";
1128
1129 try {
1130 var render = new Function(settings.variable || 'obj', '_', source);
1131 } catch (e) {
1132 e.source = source;
1133 throw e;
1134 }
1135
1136 if (data) return render(data, _);
1137 var template = function(data) {
1138 return render.call(this, data, _);
1139 };
1140
1141 // Provide the compiled function source as a convenience for precompilation.
1142 template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
1143
1144 return template;
1145 };
1146
1147 // Add a "chain" function, which will delegate to the wrapper.
1148 _.chain = function(obj) {
1149 return _(obj).chain();
1150 };
1151
1152 // OOP
1153 // ---------------
1154 // If Underscore is called as a function, it returns a wrapped object that
1155 // can be used OO-style. This wrapper holds altered versions of all the
1156 // underscore functions. Wrapped objects may be chained.
1157
1158 // Helper function to continue chaining intermediate results.
1159 var result = function(obj) {
1160 return this._chain ? _(obj).chain() : obj;
1161 };
1162
1163 // Add all of the Underscore functions to the wrapper object.
1164 _.mixin(_);
1165
1166 // Add all mutator Array functions to the wrapper.
1167 each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
1168 var method = ArrayProto[name];
1169 _.prototype[name] = function() {
1170 var obj = this._wrapped;
1171 method.apply(obj, arguments);
1172 if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
1173 return result.call(this, obj);
1174 };
1175 });
1176
1177 // Add all accessor Array functions to the wrapper.
1178 each(['concat', 'join', 'slice'], function(name) {
1179 var method = ArrayProto[name];
1180 _.prototype[name] = function() {
1181 return result.call(this, method.apply(this._wrapped, arguments));
1182 };
1183 });
1184
1185 _.extend(_.prototype, {
1186
1187 // Start chaining a wrapped Underscore object.
1188 chain: function() {
1189 this._chain = true;
1190 return this;
1191 },
1192
1193 // Extracts the result from a wrapped and chained object.
1194 value: function() {
1195 return this._wrapped;
1196 }
1197
1198 });
1199
1200}).call(this);