| 1 |
/*! elementor - v3.0.15 - 2020-12-20 */ |
| 2 |
// MarionetteJS (Backbone.Marionette) |
| 3 |
// ---------------------------------- |
| 4 |
// v2.4.5.e1 |
| 5 |
// Change Log: |
| 6 |
// e1: Fix - Compatibility with jQuery 3. (`Marionette.Region.reset`). |
| 7 |
// |
| 8 |
// Copyright (c)2016 Derick Bailey, Muted Solutions, LLC. |
| 9 |
// Distributed under MIT license |
| 10 |
// |
| 11 |
// http://marionettejs.com |
| 12 |
|
| 13 |
|
| 14 |
/*! |
| 15 |
* Includes BabySitter |
| 16 |
* https://github.com/marionettejs/backbone.babysitter/ |
| 17 |
* |
| 18 |
* Includes Wreqr |
| 19 |
* https://github.com/marionettejs/backbone.wreqr/ |
| 20 |
*/ |
| 21 |
|
| 22 |
|
| 23 |
(function(root, factory) { |
| 24 |
|
| 25 |
/* istanbul ignore next */ |
| 26 |
if (typeof define === 'function' && define.amd) { |
| 27 |
define(['backbone', 'underscore'], function(Backbone, _) { |
| 28 |
return (root.Marionette = root.Mn = factory(root, Backbone, _)); |
| 29 |
}); |
| 30 |
} else if (typeof exports !== 'undefined') { |
| 31 |
var Backbone = require('backbone'); |
| 32 |
var _ = require('underscore'); |
| 33 |
module.exports = factory(root, Backbone, _); |
| 34 |
} else { |
| 35 |
root.Marionette = root.Mn = factory(root, root.Backbone, root._); |
| 36 |
} |
| 37 |
|
| 38 |
}(this, function(root, Backbone, _) { |
| 39 |
'use strict'; |
| 40 |
|
| 41 |
/* istanbul ignore next */ |
| 42 |
// Backbone.BabySitter |
| 43 |
// ------------------- |
| 44 |
// v0.1.11 |
| 45 |
// |
| 46 |
// Copyright (c)2016 Derick Bailey, Muted Solutions, LLC. |
| 47 |
// Distributed under MIT license |
| 48 |
// |
| 49 |
// http://github.com/marionettejs/backbone.babysitter |
| 50 |
(function(Backbone, _) { |
| 51 |
"use strict"; |
| 52 |
var previousChildViewContainer = Backbone.ChildViewContainer; |
| 53 |
// BabySitter.ChildViewContainer |
| 54 |
// ----------------------------- |
| 55 |
// |
| 56 |
// Provide a container to store, retrieve and |
| 57 |
// shut down child views. |
| 58 |
Backbone.ChildViewContainer = function(Backbone, _) { |
| 59 |
// Container Constructor |
| 60 |
// --------------------- |
| 61 |
var Container = function(views) { |
| 62 |
this._views = {}; |
| 63 |
this._indexByModel = {}; |
| 64 |
this._indexByCustom = {}; |
| 65 |
this._updateLength(); |
| 66 |
_.each(views, this.add, this); |
| 67 |
}; |
| 68 |
// Container Methods |
| 69 |
// ----------------- |
| 70 |
_.extend(Container.prototype, { |
| 71 |
// Add a view to this container. Stores the view |
| 72 |
// by `cid` and makes it searchable by the model |
| 73 |
// cid (and model itself). Optionally specify |
| 74 |
// a custom key to store an retrieve the view. |
| 75 |
add: function(view, customIndex) { |
| 76 |
var viewCid = view.cid; |
| 77 |
// store the view |
| 78 |
this._views[viewCid] = view; |
| 79 |
// index it by model |
| 80 |
if (view.model) { |
| 81 |
this._indexByModel[view.model.cid] = viewCid; |
| 82 |
} |
| 83 |
// index by custom |
| 84 |
if (customIndex) { |
| 85 |
this._indexByCustom[customIndex] = viewCid; |
| 86 |
} |
| 87 |
this._updateLength(); |
| 88 |
return this; |
| 89 |
}, |
| 90 |
// Find a view by the model that was attached to |
| 91 |
// it. Uses the model's `cid` to find it. |
| 92 |
findByModel: function(model) { |
| 93 |
return this.findByModelCid(model.cid); |
| 94 |
}, |
| 95 |
// Find a view by the `cid` of the model that was attached to |
| 96 |
// it. Uses the model's `cid` to find the view `cid` and |
| 97 |
// retrieve the view using it. |
| 98 |
findByModelCid: function(modelCid) { |
| 99 |
var viewCid = this._indexByModel[modelCid]; |
| 100 |
return this.findByCid(viewCid); |
| 101 |
}, |
| 102 |
// Find a view by a custom indexer. |
| 103 |
findByCustom: function(index) { |
| 104 |
var viewCid = this._indexByCustom[index]; |
| 105 |
return this.findByCid(viewCid); |
| 106 |
}, |
| 107 |
// Find by index. This is not guaranteed to be a |
| 108 |
// stable index. |
| 109 |
findByIndex: function(index) { |
| 110 |
return _.values(this._views)[index]; |
| 111 |
}, |
| 112 |
// retrieve a view by its `cid` directly |
| 113 |
findByCid: function(cid) { |
| 114 |
return this._views[cid]; |
| 115 |
}, |
| 116 |
// Remove a view |
| 117 |
remove: function(view) { |
| 118 |
var viewCid = view.cid; |
| 119 |
// delete model index |
| 120 |
if (view.model) { |
| 121 |
delete this._indexByModel[view.model.cid]; |
| 122 |
} |
| 123 |
// delete custom index |
| 124 |
_.any(this._indexByCustom, function(cid, key) { |
| 125 |
if (cid === viewCid) { |
| 126 |
delete this._indexByCustom[key]; |
| 127 |
return true; |
| 128 |
} |
| 129 |
}, this); |
| 130 |
// remove the view from the container |
| 131 |
delete this._views[viewCid]; |
| 132 |
// update the length |
| 133 |
this._updateLength(); |
| 134 |
return this; |
| 135 |
}, |
| 136 |
// Call a method on every view in the container, |
| 137 |
// passing parameters to the call method one at a |
| 138 |
// time, like `function.call`. |
| 139 |
call: function(method) { |
| 140 |
this.apply(method, _.tail(arguments)); |
| 141 |
}, |
| 142 |
// Apply a method on every view in the container, |
| 143 |
// passing parameters to the call method one at a |
| 144 |
// time, like `function.apply`. |
| 145 |
apply: function(method, args) { |
| 146 |
_.each(this._views, function(view) { |
| 147 |
if (_.isFunction(view[method])) { |
| 148 |
view[method].apply(view, args || []); |
| 149 |
} |
| 150 |
}); |
| 151 |
}, |
| 152 |
// Update the `.length` attribute on this container |
| 153 |
_updateLength: function() { |
| 154 |
this.length = _.size(this._views); |
| 155 |
} |
| 156 |
}); |
| 157 |
// Borrowing this code from Backbone.Collection: |
| 158 |
// http://backbonejs.org/docs/backbone.html#section-106 |
| 159 |
// |
| 160 |
// Mix in methods from Underscore, for iteration, and other |
| 161 |
// collection related features. |
| 162 |
var methods = [ "forEach", "each", "map", "find", "detect", "filter", "select", "reject", "every", "all", "some", "any", "include", "contains", "invoke", "toArray", "first", "initial", "rest", "last", "without", "isEmpty", "pluck", "reduce" ]; |
| 163 |
_.each(methods, function(method) { |
| 164 |
Container.prototype[method] = function() { |
| 165 |
var views = _.values(this._views); |
| 166 |
var args = [ views ].concat(_.toArray(arguments)); |
| 167 |
return _[method].apply(_, args); |
| 168 |
}; |
| 169 |
}); |
| 170 |
// return the public API |
| 171 |
return Container; |
| 172 |
}(Backbone, _); |
| 173 |
Backbone.ChildViewContainer.VERSION = "0.1.11"; |
| 174 |
Backbone.ChildViewContainer.noConflict = function() { |
| 175 |
Backbone.ChildViewContainer = previousChildViewContainer; |
| 176 |
return this; |
| 177 |
}; |
| 178 |
return Backbone.ChildViewContainer; |
| 179 |
})(Backbone, _); |
| 180 |
|
| 181 |
/* istanbul ignore next */ |
| 182 |
// Backbone.Wreqr (Backbone.Marionette) |
| 183 |
// ---------------------------------- |
| 184 |
// v1.3.6 |
| 185 |
// |
| 186 |
// Copyright (c)2016 Derick Bailey, Muted Solutions, LLC. |
| 187 |
// Distributed under MIT license |
| 188 |
// |
| 189 |
// http://github.com/marionettejs/backbone.wreqr |
| 190 |
(function(Backbone, _) { |
| 191 |
"use strict"; |
| 192 |
var previousWreqr = Backbone.Wreqr; |
| 193 |
var Wreqr = Backbone.Wreqr = {}; |
| 194 |
Backbone.Wreqr.VERSION = "1.3.6"; |
| 195 |
Backbone.Wreqr.noConflict = function() { |
| 196 |
Backbone.Wreqr = previousWreqr; |
| 197 |
return this; |
| 198 |
}; |
| 199 |
// Handlers |
| 200 |
// -------- |
| 201 |
// A registry of functions to call, given a name |
| 202 |
Wreqr.Handlers = function(Backbone, _) { |
| 203 |
"use strict"; |
| 204 |
// Constructor |
| 205 |
// ----------- |
| 206 |
var Handlers = function(options) { |
| 207 |
this.options = options; |
| 208 |
this._wreqrHandlers = {}; |
| 209 |
if (_.isFunction(this.initialize)) { |
| 210 |
this.initialize(options); |
| 211 |
} |
| 212 |
}; |
| 213 |
Handlers.extend = Backbone.Model.extend; |
| 214 |
// Instance Members |
| 215 |
// ---------------- |
| 216 |
_.extend(Handlers.prototype, Backbone.Events, { |
| 217 |
// Add multiple handlers using an object literal configuration |
| 218 |
setHandlers: function(handlers) { |
| 219 |
_.each(handlers, function(handler, name) { |
| 220 |
var context = null; |
| 221 |
if (_.isObject(handler) && !_.isFunction(handler)) { |
| 222 |
context = handler.context; |
| 223 |
handler = handler.callback; |
| 224 |
} |
| 225 |
this.setHandler(name, handler, context); |
| 226 |
}, this); |
| 227 |
}, |
| 228 |
// Add a handler for the given name, with an |
| 229 |
// optional context to run the handler within |
| 230 |
setHandler: function(name, handler, context) { |
| 231 |
var config = { |
| 232 |
callback: handler, |
| 233 |
context: context |
| 234 |
}; |
| 235 |
this._wreqrHandlers[name] = config; |
| 236 |
this.trigger("handler:add", name, handler, context); |
| 237 |
}, |
| 238 |
// Determine whether or not a handler is registered |
| 239 |
hasHandler: function(name) { |
| 240 |
return !!this._wreqrHandlers[name]; |
| 241 |
}, |
| 242 |
// Get the currently registered handler for |
| 243 |
// the specified name. Throws an exception if |
| 244 |
// no handler is found. |
| 245 |
getHandler: function(name) { |
| 246 |
var config = this._wreqrHandlers[name]; |
| 247 |
if (!config) { |
| 248 |
return; |
| 249 |
} |
| 250 |
return function() { |
| 251 |
return config.callback.apply(config.context, arguments); |
| 252 |
}; |
| 253 |
}, |
| 254 |
// Remove a handler for the specified name |
| 255 |
removeHandler: function(name) { |
| 256 |
delete this._wreqrHandlers[name]; |
| 257 |
}, |
| 258 |
// Remove all handlers from this registry |
| 259 |
removeAllHandlers: function() { |
| 260 |
this._wreqrHandlers = {}; |
| 261 |
} |
| 262 |
}); |
| 263 |
return Handlers; |
| 264 |
}(Backbone, _); |
| 265 |
// Wreqr.CommandStorage |
| 266 |
// -------------------- |
| 267 |
// |
| 268 |
// Store and retrieve commands for execution. |
| 269 |
Wreqr.CommandStorage = function() { |
| 270 |
"use strict"; |
| 271 |
// Constructor function |
| 272 |
var CommandStorage = function(options) { |
| 273 |
this.options = options; |
| 274 |
this._commands = {}; |
| 275 |
if (_.isFunction(this.initialize)) { |
| 276 |
this.initialize(options); |
| 277 |
} |
| 278 |
}; |
| 279 |
// Instance methods |
| 280 |
_.extend(CommandStorage.prototype, Backbone.Events, { |
| 281 |
// Get an object literal by command name, that contains |
| 282 |
// the `commandName` and the `instances` of all commands |
| 283 |
// represented as an array of arguments to process |
| 284 |
getCommands: function(commandName) { |
| 285 |
var commands = this._commands[commandName]; |
| 286 |
// we don't have it, so add it |
| 287 |
if (!commands) { |
| 288 |
// build the configuration |
| 289 |
commands = { |
| 290 |
command: commandName, |
| 291 |
instances: [] |
| 292 |
}; |
| 293 |
// store it |
| 294 |
this._commands[commandName] = commands; |
| 295 |
} |
| 296 |
return commands; |
| 297 |
}, |
| 298 |
// Add a command by name, to the storage and store the |
| 299 |
// args for the command |
| 300 |
addCommand: function(commandName, args) { |
| 301 |
var command = this.getCommands(commandName); |
| 302 |
command.instances.push(args); |
| 303 |
}, |
| 304 |
// Clear all commands for the given `commandName` |
| 305 |
clearCommands: function(commandName) { |
| 306 |
var command = this.getCommands(commandName); |
| 307 |
command.instances = []; |
| 308 |
} |
| 309 |
}); |
| 310 |
return CommandStorage; |
| 311 |
}(); |
| 312 |
// Wreqr.Commands |
| 313 |
// -------------- |
| 314 |
// |
| 315 |
// A simple command pattern implementation. Register a command |
| 316 |
// handler and execute it. |
| 317 |
Wreqr.Commands = function(Wreqr, _) { |
| 318 |
"use strict"; |
| 319 |
return Wreqr.Handlers.extend({ |
| 320 |
// default storage type |
| 321 |
storageType: Wreqr.CommandStorage, |
| 322 |
constructor: function(options) { |
| 323 |
this.options = options || {}; |
| 324 |
this._initializeStorage(this.options); |
| 325 |
this.on("handler:add", this._executeCommands, this); |
| 326 |
Wreqr.Handlers.prototype.constructor.apply(this, arguments); |
| 327 |
}, |
| 328 |
// Execute a named command with the supplied args |
| 329 |
execute: function(name) { |
| 330 |
name = arguments[0]; |
| 331 |
var args = _.rest(arguments); |
| 332 |
if (this.hasHandler(name)) { |
| 333 |
this.getHandler(name).apply(this, args); |
| 334 |
} else { |
| 335 |
this.storage.addCommand(name, args); |
| 336 |
} |
| 337 |
}, |
| 338 |
// Internal method to handle bulk execution of stored commands |
| 339 |
_executeCommands: function(name, handler, context) { |
| 340 |
var command = this.storage.getCommands(name); |
| 341 |
// loop through and execute all the stored command instances |
| 342 |
_.each(command.instances, function(args) { |
| 343 |
handler.apply(context, args); |
| 344 |
}); |
| 345 |
this.storage.clearCommands(name); |
| 346 |
}, |
| 347 |
// Internal method to initialize storage either from the type's |
| 348 |
// `storageType` or the instance `options.storageType`. |
| 349 |
_initializeStorage: function(options) { |
| 350 |
var storage; |
| 351 |
var StorageType = options.storageType || this.storageType; |
| 352 |
if (_.isFunction(StorageType)) { |
| 353 |
storage = new StorageType(); |
| 354 |
} else { |
| 355 |
storage = StorageType; |
| 356 |
} |
| 357 |
this.storage = storage; |
| 358 |
} |
| 359 |
}); |
| 360 |
}(Wreqr, _); |
| 361 |
// Wreqr.RequestResponse |
| 362 |
// --------------------- |
| 363 |
// |
| 364 |
// A simple request/response implementation. Register a |
| 365 |
// request handler, and return a response from it |
| 366 |
Wreqr.RequestResponse = function(Wreqr, _) { |
| 367 |
"use strict"; |
| 368 |
return Wreqr.Handlers.extend({ |
| 369 |
request: function(name) { |
| 370 |
if (this.hasHandler(name)) { |
| 371 |
return this.getHandler(name).apply(this, _.rest(arguments)); |
| 372 |
} |
| 373 |
} |
| 374 |
}); |
| 375 |
}(Wreqr, _); |
| 376 |
// Event Aggregator |
| 377 |
// ---------------- |
| 378 |
// A pub-sub object that can be used to decouple various parts |
| 379 |
// of an application through event-driven architecture. |
| 380 |
Wreqr.EventAggregator = function(Backbone, _) { |
| 381 |
"use strict"; |
| 382 |
var EA = function() {}; |
| 383 |
// Copy the `extend` function used by Backbone's classes |
| 384 |
EA.extend = Backbone.Model.extend; |
| 385 |
// Copy the basic Backbone.Events on to the event aggregator |
| 386 |
_.extend(EA.prototype, Backbone.Events); |
| 387 |
return EA; |
| 388 |
}(Backbone, _); |
| 389 |
// Wreqr.Channel |
| 390 |
// -------------- |
| 391 |
// |
| 392 |
// An object that wraps the three messaging systems: |
| 393 |
// EventAggregator, RequestResponse, Commands |
| 394 |
Wreqr.Channel = function(Wreqr) { |
| 395 |
"use strict"; |
| 396 |
var Channel = function(channelName) { |
| 397 |
this.vent = new Backbone.Wreqr.EventAggregator(); |
| 398 |
this.reqres = new Backbone.Wreqr.RequestResponse(); |
| 399 |
this.commands = new Backbone.Wreqr.Commands(); |
| 400 |
this.channelName = channelName; |
| 401 |
}; |
| 402 |
_.extend(Channel.prototype, { |
| 403 |
// Remove all handlers from the messaging systems of this channel |
| 404 |
reset: function() { |
| 405 |
this.vent.off(); |
| 406 |
this.vent.stopListening(); |
| 407 |
this.reqres.removeAllHandlers(); |
| 408 |
this.commands.removeAllHandlers(); |
| 409 |
return this; |
| 410 |
}, |
| 411 |
// Connect a hash of events; one for each messaging system |
| 412 |
connectEvents: function(hash, context) { |
| 413 |
this._connect("vent", hash, context); |
| 414 |
return this; |
| 415 |
}, |
| 416 |
connectCommands: function(hash, context) { |
| 417 |
this._connect("commands", hash, context); |
| 418 |
return this; |
| 419 |
}, |
| 420 |
connectRequests: function(hash, context) { |
| 421 |
this._connect("reqres", hash, context); |
| 422 |
return this; |
| 423 |
}, |
| 424 |
// Attach the handlers to a given message system `type` |
| 425 |
_connect: function(type, hash, context) { |
| 426 |
if (!hash) { |
| 427 |
return; |
| 428 |
} |
| 429 |
context = context || this; |
| 430 |
var method = type === "vent" ? "on" : "setHandler"; |
| 431 |
_.each(hash, function(fn, eventName) { |
| 432 |
this[type][method](eventName, _.bind(fn, context)); |
| 433 |
}, this); |
| 434 |
} |
| 435 |
}); |
| 436 |
return Channel; |
| 437 |
}(Wreqr); |
| 438 |
// Wreqr.Radio |
| 439 |
// -------------- |
| 440 |
// |
| 441 |
// An object that lets you communicate with many channels. |
| 442 |
Wreqr.radio = function(Wreqr, _) { |
| 443 |
"use strict"; |
| 444 |
var Radio = function() { |
| 445 |
this._channels = {}; |
| 446 |
this.vent = {}; |
| 447 |
this.commands = {}; |
| 448 |
this.reqres = {}; |
| 449 |
this._proxyMethods(); |
| 450 |
}; |
| 451 |
_.extend(Radio.prototype, { |
| 452 |
channel: function(channelName) { |
| 453 |
if (!channelName) { |
| 454 |
throw new Error("Channel must receive a name"); |
| 455 |
} |
| 456 |
return this._getChannel(channelName); |
| 457 |
}, |
| 458 |
_getChannel: function(channelName) { |
| 459 |
var channel = this._channels[channelName]; |
| 460 |
if (!channel) { |
| 461 |
channel = new Wreqr.Channel(channelName); |
| 462 |
this._channels[channelName] = channel; |
| 463 |
} |
| 464 |
return channel; |
| 465 |
}, |
| 466 |
_proxyMethods: function() { |
| 467 |
_.each([ "vent", "commands", "reqres" ], function(system) { |
| 468 |
_.each(messageSystems[system], function(method) { |
| 469 |
this[system][method] = proxyMethod(this, system, method); |
| 470 |
}, this); |
| 471 |
}, this); |
| 472 |
} |
| 473 |
}); |
| 474 |
var messageSystems = { |
| 475 |
vent: [ "on", "off", "trigger", "once", "stopListening", "listenTo", "listenToOnce" ], |
| 476 |
commands: [ "execute", "setHandler", "setHandlers", "removeHandler", "removeAllHandlers" ], |
| 477 |
reqres: [ "request", "setHandler", "setHandlers", "removeHandler", "removeAllHandlers" ] |
| 478 |
}; |
| 479 |
var proxyMethod = function(radio, system, method) { |
| 480 |
return function(channelName) { |
| 481 |
var messageSystem = radio._getChannel(channelName)[system]; |
| 482 |
return messageSystem[method].apply(messageSystem, _.rest(arguments)); |
| 483 |
}; |
| 484 |
}; |
| 485 |
return new Radio(); |
| 486 |
}(Wreqr, _); |
| 487 |
return Backbone.Wreqr; |
| 488 |
})(Backbone, _); |
| 489 |
|
| 490 |
var previousMarionette = root.Marionette; |
| 491 |
var previousMn = root.Mn; |
| 492 |
|
| 493 |
var Marionette = Backbone.Marionette = {}; |
| 494 |
|
| 495 |
Marionette.VERSION = '2.4.5'; |
| 496 |
|
| 497 |
Marionette.noConflict = function() { |
| 498 |
root.Marionette = previousMarionette; |
| 499 |
root.Mn = previousMn; |
| 500 |
return this; |
| 501 |
}; |
| 502 |
|
| 503 |
Backbone.Marionette = Marionette; |
| 504 |
|
| 505 |
// Get the Deferred creator for later use |
| 506 |
Marionette.Deferred = Backbone.$.Deferred; |
| 507 |
|
| 508 |
/* jshint unused: false *//* global console */ |
| 509 |
|
| 510 |
// Helpers |
| 511 |
// ------- |
| 512 |
|
| 513 |
// Marionette.extend |
| 514 |
// ----------------- |
| 515 |
|
| 516 |
// Borrow the Backbone `extend` method so we can use it as needed |
| 517 |
Marionette.extend = Backbone.Model.extend; |
| 518 |
|
| 519 |
// Marionette.isNodeAttached |
| 520 |
// ------------------------- |
| 521 |
|
| 522 |
// Determine if `el` is a child of the document |
| 523 |
Marionette.isNodeAttached = function(el) { |
| 524 |
return Backbone.$.contains(document.documentElement, el); |
| 525 |
}; |
| 526 |
|
| 527 |
// Merge `keys` from `options` onto `this` |
| 528 |
Marionette.mergeOptions = function(options, keys) { |
| 529 |
if (!options) { return; } |
| 530 |
_.extend(this, _.pick(options, keys)); |
| 531 |
}; |
| 532 |
|
| 533 |
// Marionette.getOption |
| 534 |
// -------------------- |
| 535 |
|
| 536 |
// Retrieve an object, function or other value from a target |
| 537 |
// object or its `options`, with `options` taking precedence. |
| 538 |
Marionette.getOption = function(target, optionName) { |
| 539 |
if (!target || !optionName) { return; } |
| 540 |
if (target.options && (target.options[optionName] !== undefined)) { |
| 541 |
return target.options[optionName]; |
| 542 |
} else { |
| 543 |
return target[optionName]; |
| 544 |
} |
| 545 |
}; |
| 546 |
|
| 547 |
// Proxy `Marionette.getOption` |
| 548 |
Marionette.proxyGetOption = function(optionName) { |
| 549 |
return Marionette.getOption(this, optionName); |
| 550 |
}; |
| 551 |
|
| 552 |
// Similar to `_.result`, this is a simple helper |
| 553 |
// If a function is provided we call it with context |
| 554 |
// otherwise just return the value. If the value is |
| 555 |
// undefined return a default value |
| 556 |
Marionette._getValue = function(value, context, params) { |
| 557 |
if (_.isFunction(value)) { |
| 558 |
value = params ? value.apply(context, params) : value.call(context); |
| 559 |
} |
| 560 |
return value; |
| 561 |
}; |
| 562 |
|
| 563 |
// Marionette.normalizeMethods |
| 564 |
// ---------------------- |
| 565 |
|
| 566 |
// Pass in a mapping of events => functions or function names |
| 567 |
// and return a mapping of events => functions |
| 568 |
Marionette.normalizeMethods = function(hash) { |
| 569 |
return _.reduce(hash, function(normalizedHash, method, name) { |
| 570 |
if (!_.isFunction(method)) { |
| 571 |
method = this[method]; |
| 572 |
} |
| 573 |
if (method) { |
| 574 |
normalizedHash[name] = method; |
| 575 |
} |
| 576 |
return normalizedHash; |
| 577 |
}, {}, this); |
| 578 |
}; |
| 579 |
|
| 580 |
// utility method for parsing @ui. syntax strings |
| 581 |
// into associated selector |
| 582 |
Marionette.normalizeUIString = function(uiString, ui) { |
| 583 |
return uiString.replace(/@ui\.[a-zA-Z-_$0-9]*/g, function(r) { |
| 584 |
return ui[r.slice(4)]; |
| 585 |
}); |
| 586 |
}; |
| 587 |
|
| 588 |
// allows for the use of the @ui. syntax within |
| 589 |
// a given key for triggers and events |
| 590 |
// swaps the @ui with the associated selector. |
| 591 |
// Returns a new, non-mutated, parsed events hash. |
| 592 |
Marionette.normalizeUIKeys = function(hash, ui) { |
| 593 |
return _.reduce(hash, function(memo, val, key) { |
| 594 |
var normalizedKey = Marionette.normalizeUIString(key, ui); |
| 595 |
memo[normalizedKey] = val; |
| 596 |
return memo; |
| 597 |
}, {}); |
| 598 |
}; |
| 599 |
|
| 600 |
// allows for the use of the @ui. syntax within |
| 601 |
// a given value for regions |
| 602 |
// swaps the @ui with the associated selector |
| 603 |
Marionette.normalizeUIValues = function(hash, ui, properties) { |
| 604 |
_.each(hash, function(val, key) { |
| 605 |
if (_.isString(val)) { |
| 606 |
hash[key] = Marionette.normalizeUIString(val, ui); |
| 607 |
} else if (_.isObject(val) && _.isArray(properties)) { |
| 608 |
_.extend(val, Marionette.normalizeUIValues(_.pick(val, properties), ui)); |
| 609 |
/* Value is an object, and we got an array of embedded property names to normalize. */ |
| 610 |
_.each(properties, function(property) { |
| 611 |
var propertyVal = val[property]; |
| 612 |
if (_.isString(propertyVal)) { |
| 613 |
val[property] = Marionette.normalizeUIString(propertyVal, ui); |
| 614 |
} |
| 615 |
}); |
| 616 |
} |
| 617 |
}); |
| 618 |
return hash; |
| 619 |
}; |
| 620 |
|
| 621 |
// Mix in methods from Underscore, for iteration, and other |
| 622 |
// collection related features. |
| 623 |
// Borrowing this code from Backbone.Collection: |
| 624 |
// http://backbonejs.org/docs/backbone.html#section-121 |
| 625 |
Marionette.actAsCollection = function(object, listProperty) { |
| 626 |
var methods = ['forEach', 'each', 'map', 'find', 'detect', 'filter', |
| 627 |
'select', 'reject', 'every', 'all', 'some', 'any', 'include', |
| 628 |
'contains', 'invoke', 'toArray', 'first', 'initial', 'rest', |
| 629 |
'last', 'without', 'isEmpty', 'pluck']; |
| 630 |
|
| 631 |
_.each(methods, function(method) { |
| 632 |
object[method] = function() { |
| 633 |
var list = _.values(_.result(this, listProperty)); |
| 634 |
var args = [list].concat(_.toArray(arguments)); |
| 635 |
return _[method].apply(_, args); |
| 636 |
}; |
| 637 |
}); |
| 638 |
}; |
| 639 |
|
| 640 |
var deprecate = Marionette.deprecate = function(message, test) { |
| 641 |
if (_.isObject(message)) { |
| 642 |
message = ( |
| 643 |
message.prev + ' is going to be removed in the future. ' + |
| 644 |
'Please use ' + message.next + ' instead.' + |
| 645 |
(message.url ? ' See: ' + message.url : '') |
| 646 |
); |
| 647 |
} |
| 648 |
|
| 649 |
if ((test === undefined || !test) && !deprecate._cache[message]) { |
| 650 |
deprecate._warn('Deprecation warning: ' + message); |
| 651 |
deprecate._cache[message] = true; |
| 652 |
} |
| 653 |
}; |
| 654 |
|
| 655 |
deprecate._console = typeof console !== 'undefined' ? console : {}; |
| 656 |
deprecate._warn = function() { |
| 657 |
var warn = deprecate._console.warn || deprecate._console.log || function() {}; |
| 658 |
return warn.apply(deprecate._console, arguments); |
| 659 |
}; |
| 660 |
deprecate._cache = {}; |
| 661 |
|
| 662 |
/* jshint maxstatements: 14, maxcomplexity: 7 */ |
| 663 |
|
| 664 |
// Trigger Method |
| 665 |
// -------------- |
| 666 |
|
| 667 |
Marionette._triggerMethod = (function() { |
| 668 |
// split the event name on the ":" |
| 669 |
var splitter = /(^|:)(\w)/gi; |
| 670 |
|
| 671 |
// take the event section ("section1:section2:section3") |
| 672 |
// and turn it in to uppercase name |
| 673 |
function getEventName(match, prefix, eventName) { |
| 674 |
return eventName.toUpperCase(); |
| 675 |
} |
| 676 |
|
| 677 |
return function(context, event, args) { |
| 678 |
var noEventArg = arguments.length < 3; |
| 679 |
if (noEventArg) { |
| 680 |
args = event; |
| 681 |
event = args[0]; |
| 682 |
} |
| 683 |
|
| 684 |
// get the method name from the event name |
| 685 |
var methodName = 'on' + event.replace(splitter, getEventName); |
| 686 |
var method = context[methodName]; |
| 687 |
var result; |
| 688 |
|
| 689 |
// call the onMethodName if it exists |
| 690 |
if (_.isFunction(method)) { |
| 691 |
// pass all args, except the event name |
| 692 |
result = method.apply(context, noEventArg ? _.rest(args) : args); |
| 693 |
} |
| 694 |
|
| 695 |
// trigger the event, if a trigger method exists |
| 696 |
if (_.isFunction(context.trigger)) { |
| 697 |
if (noEventArg + args.length > 1) { |
| 698 |
context.trigger.apply(context, noEventArg ? args : [event].concat(_.drop(args, 0))); |
| 699 |
} else { |
| 700 |
context.trigger(event); |
| 701 |
} |
| 702 |
} |
| 703 |
|
| 704 |
return result; |
| 705 |
}; |
| 706 |
})(); |
| 707 |
|
| 708 |
// Trigger an event and/or a corresponding method name. Examples: |
| 709 |
// |
| 710 |
// `this.triggerMethod("foo")` will trigger the "foo" event and |
| 711 |
// call the "onFoo" method. |
| 712 |
// |
| 713 |
// `this.triggerMethod("foo:bar")` will trigger the "foo:bar" event and |
| 714 |
// call the "onFooBar" method. |
| 715 |
Marionette.triggerMethod = function(event) { |
| 716 |
return Marionette._triggerMethod(this, arguments); |
| 717 |
}; |
| 718 |
|
| 719 |
// triggerMethodOn invokes triggerMethod on a specific context |
| 720 |
// |
| 721 |
// e.g. `Marionette.triggerMethodOn(view, 'show')` |
| 722 |
// will trigger a "show" event or invoke onShow the view. |
| 723 |
Marionette.triggerMethodOn = function(context) { |
| 724 |
var fnc = _.isFunction(context.triggerMethod) ? |
| 725 |
context.triggerMethod : |
| 726 |
Marionette.triggerMethod; |
| 727 |
|
| 728 |
return fnc.apply(context, _.rest(arguments)); |
| 729 |
}; |
| 730 |
|
| 731 |
// DOM Refresh |
| 732 |
// ----------- |
| 733 |
|
| 734 |
// Monitor a view's state, and after it has been rendered and shown |
| 735 |
// in the DOM, trigger a "dom:refresh" event every time it is |
| 736 |
// re-rendered. |
| 737 |
|
| 738 |
Marionette.MonitorDOMRefresh = function(view) { |
| 739 |
if (view._isDomRefreshMonitored) { return; } |
| 740 |
view._isDomRefreshMonitored = true; |
| 741 |
|
| 742 |
// track when the view has been shown in the DOM, |
| 743 |
// using a Marionette.Region (or by other means of triggering "show") |
| 744 |
function handleShow() { |
| 745 |
view._isShown = true; |
| 746 |
triggerDOMRefresh(); |
| 747 |
} |
| 748 |
|
| 749 |
// track when the view has been rendered |
| 750 |
function handleRender() { |
| 751 |
view._isRendered = true; |
| 752 |
triggerDOMRefresh(); |
| 753 |
} |
| 754 |
|
| 755 |
// Trigger the "dom:refresh" event and corresponding "onDomRefresh" method |
| 756 |
function triggerDOMRefresh() { |
| 757 |
if (view._isShown && view._isRendered && Marionette.isNodeAttached(view.el)) { |
| 758 |
Marionette.triggerMethodOn(view, 'dom:refresh', view); |
| 759 |
} |
| 760 |
} |
| 761 |
|
| 762 |
view.on({ |
| 763 |
show: handleShow, |
| 764 |
render: handleRender |
| 765 |
}); |
| 766 |
}; |
| 767 |
|
| 768 |
/* jshint maxparams: 5 */ |
| 769 |
|
| 770 |
// Bind Entity Events & Unbind Entity Events |
| 771 |
// ----------------------------------------- |
| 772 |
// |
| 773 |
// These methods are used to bind/unbind a backbone "entity" (e.g. collection/model) |
| 774 |
// to methods on a target object. |
| 775 |
// |
| 776 |
// The first parameter, `target`, must have the Backbone.Events module mixed in. |
| 777 |
// |
| 778 |
// The second parameter is the `entity` (Backbone.Model, Backbone.Collection or |
| 779 |
// any object that has Backbone.Events mixed in) to bind the events from. |
| 780 |
// |
| 781 |
// The third parameter is a hash of { "event:name": "eventHandler" } |
| 782 |
// configuration. Multiple handlers can be separated by a space. A |
| 783 |
// function can be supplied instead of a string handler name. |
| 784 |
|
| 785 |
(function(Marionette) { |
| 786 |
'use strict'; |
| 787 |
|
| 788 |
// Bind the event to handlers specified as a string of |
| 789 |
// handler names on the target object |
| 790 |
function bindFromStrings(target, entity, evt, methods) { |
| 791 |
var methodNames = methods.split(/\s+/); |
| 792 |
|
| 793 |
_.each(methodNames, function(methodName) { |
| 794 |
|
| 795 |
var method = target[methodName]; |
| 796 |
if (!method) { |
| 797 |
throw new Marionette.Error('Method "' + methodName + |
| 798 |
'" was configured as an event handler, but does not exist.'); |
| 799 |
} |
| 800 |
|
| 801 |
target.listenTo(entity, evt, method); |
| 802 |
}); |
| 803 |
} |
| 804 |
|
| 805 |
// Bind the event to a supplied callback function |
| 806 |
function bindToFunction(target, entity, evt, method) { |
| 807 |
target.listenTo(entity, evt, method); |
| 808 |
} |
| 809 |
|
| 810 |
// Bind the event to handlers specified as a string of |
| 811 |
// handler names on the target object |
| 812 |
function unbindFromStrings(target, entity, evt, methods) { |
| 813 |
var methodNames = methods.split(/\s+/); |
| 814 |
|
| 815 |
_.each(methodNames, function(methodName) { |
| 816 |
var method = target[methodName]; |
| 817 |
target.stopListening(entity, evt, method); |
| 818 |
}); |
| 819 |
} |
| 820 |
|
| 821 |
// Bind the event to a supplied callback function |
| 822 |
function unbindToFunction(target, entity, evt, method) { |
| 823 |
target.stopListening(entity, evt, method); |
| 824 |
} |
| 825 |
|
| 826 |
// generic looping function |
| 827 |
function iterateEvents(target, entity, bindings, functionCallback, stringCallback) { |
| 828 |
if (!entity || !bindings) { return; } |
| 829 |
|
| 830 |
// type-check bindings |
| 831 |
if (!_.isObject(bindings)) { |
| 832 |
throw new Marionette.Error({ |
| 833 |
message: 'Bindings must be an object or function.', |
| 834 |
url: 'marionette.functions.html#marionettebindentityevents' |
| 835 |
}); |
| 836 |
} |
| 837 |
|
| 838 |
// allow the bindings to be a function |
| 839 |
bindings = Marionette._getValue(bindings, target); |
| 840 |
|
| 841 |
// iterate the bindings and bind them |
| 842 |
_.each(bindings, function(methods, evt) { |
| 843 |
|
| 844 |
// allow for a function as the handler, |
| 845 |
// or a list of event names as a string |
| 846 |
if (_.isFunction(methods)) { |
| 847 |
functionCallback(target, entity, evt, methods); |
| 848 |
} else { |
| 849 |
stringCallback(target, entity, evt, methods); |
| 850 |
} |
| 851 |
|
| 852 |
}); |
| 853 |
} |
| 854 |
|
| 855 |
// Export Public API |
| 856 |
Marionette.bindEntityEvents = function(target, entity, bindings) { |
| 857 |
iterateEvents(target, entity, bindings, bindToFunction, bindFromStrings); |
| 858 |
}; |
| 859 |
|
| 860 |
Marionette.unbindEntityEvents = function(target, entity, bindings) { |
| 861 |
iterateEvents(target, entity, bindings, unbindToFunction, unbindFromStrings); |
| 862 |
}; |
| 863 |
|
| 864 |
// Proxy `bindEntityEvents` |
| 865 |
Marionette.proxyBindEntityEvents = function(entity, bindings) { |
| 866 |
return Marionette.bindEntityEvents(this, entity, bindings); |
| 867 |
}; |
| 868 |
|
| 869 |
// Proxy `unbindEntityEvents` |
| 870 |
Marionette.proxyUnbindEntityEvents = function(entity, bindings) { |
| 871 |
return Marionette.unbindEntityEvents(this, entity, bindings); |
| 872 |
}; |
| 873 |
})(Marionette); |
| 874 |
|
| 875 |
|
| 876 |
// Error |
| 877 |
// ----- |
| 878 |
|
| 879 |
var errorProps = ['description', 'fileName', 'lineNumber', 'name', 'message', 'number']; |
| 880 |
|
| 881 |
Marionette.Error = Marionette.extend.call(Error, { |
| 882 |
urlRoot: 'http://marionettejs.com/docs/v' + Marionette.VERSION + '/', |
| 883 |
|
| 884 |
constructor: function(message, options) { |
| 885 |
if (_.isObject(message)) { |
| 886 |
options = message; |
| 887 |
message = options.message; |
| 888 |
} else if (!options) { |
| 889 |
options = {}; |
| 890 |
} |
| 891 |
|
| 892 |
var error = Error.call(this, message); |
| 893 |
_.extend(this, _.pick(error, errorProps), _.pick(options, errorProps)); |
| 894 |
|
| 895 |
this.captureStackTrace(); |
| 896 |
|
| 897 |
if (options.url) { |
| 898 |
this.url = this.urlRoot + options.url; |
| 899 |
} |
| 900 |
}, |
| 901 |
|
| 902 |
captureStackTrace: function() { |
| 903 |
if (Error.captureStackTrace) { |
| 904 |
Error.captureStackTrace(this, Marionette.Error); |
| 905 |
} |
| 906 |
}, |
| 907 |
|
| 908 |
toString: function() { |
| 909 |
return this.name + ': ' + this.message + (this.url ? ' See: ' + this.url : ''); |
| 910 |
} |
| 911 |
}); |
| 912 |
|
| 913 |
Marionette.Error.extend = Marionette.extend; |
| 914 |
|
| 915 |
// Callbacks |
| 916 |
// --------- |
| 917 |
|
| 918 |
// A simple way of managing a collection of callbacks |
| 919 |
// and executing them at a later point in time, using jQuery's |
| 920 |
// `Deferred` object. |
| 921 |
Marionette.Callbacks = function() { |
| 922 |
this._deferred = Marionette.Deferred(); |
| 923 |
this._callbacks = []; |
| 924 |
}; |
| 925 |
|
| 926 |
_.extend(Marionette.Callbacks.prototype, { |
| 927 |
|
| 928 |
// Add a callback to be executed. Callbacks added here are |
| 929 |
// guaranteed to execute, even if they are added after the |
| 930 |
// `run` method is called. |
| 931 |
add: function(callback, contextOverride) { |
| 932 |
var promise = _.result(this._deferred, 'promise'); |
| 933 |
|
| 934 |
this._callbacks.push({cb: callback, ctx: contextOverride}); |
| 935 |
|
| 936 |
promise.then(function(args) { |
| 937 |
if (contextOverride) { args.context = contextOverride; } |
| 938 |
callback.call(args.context, args.options); |
| 939 |
}); |
| 940 |
}, |
| 941 |
|
| 942 |
// Run all registered callbacks with the context specified. |
| 943 |
// Additional callbacks can be added after this has been run |
| 944 |
// and they will still be executed. |
| 945 |
run: function(options, context) { |
| 946 |
this._deferred.resolve({ |
| 947 |
options: options, |
| 948 |
context: context |
| 949 |
}); |
| 950 |
}, |
| 951 |
|
| 952 |
// Resets the list of callbacks to be run, allowing the same list |
| 953 |
// to be run multiple times - whenever the `run` method is called. |
| 954 |
reset: function() { |
| 955 |
var callbacks = this._callbacks; |
| 956 |
this._deferred = Marionette.Deferred(); |
| 957 |
this._callbacks = []; |
| 958 |
|
| 959 |
_.each(callbacks, function(cb) { |
| 960 |
this.add(cb.cb, cb.ctx); |
| 961 |
}, this); |
| 962 |
} |
| 963 |
}); |
| 964 |
|
| 965 |
// Controller |
| 966 |
// ---------- |
| 967 |
|
| 968 |
// A multi-purpose object to use as a controller for |
| 969 |
// modules and routers, and as a mediator for workflow |
| 970 |
// and coordination of other objects, views, and more. |
| 971 |
Marionette.Controller = function(options) { |
| 972 |
this.options = options || {}; |
| 973 |
|
| 974 |
if (_.isFunction(this.initialize)) { |
| 975 |
this.initialize(this.options); |
| 976 |
} |
| 977 |
}; |
| 978 |
|
| 979 |
Marionette.Controller.extend = Marionette.extend; |
| 980 |
|
| 981 |
// Controller Methods |
| 982 |
// -------------- |
| 983 |
|
| 984 |
// Ensure it can trigger events with Backbone.Events |
| 985 |
_.extend(Marionette.Controller.prototype, Backbone.Events, { |
| 986 |
destroy: function() { |
| 987 |
Marionette._triggerMethod(this, 'before:destroy', arguments); |
| 988 |
Marionette._triggerMethod(this, 'destroy', arguments); |
| 989 |
|
| 990 |
this.stopListening(); |
| 991 |
this.off(); |
| 992 |
return this; |
| 993 |
}, |
| 994 |
|
| 995 |
// import the `triggerMethod` to trigger events with corresponding |
| 996 |
// methods if the method exists |
| 997 |
triggerMethod: Marionette.triggerMethod, |
| 998 |
|
| 999 |
// A handy way to merge options onto the instance |
| 1000 |
mergeOptions: Marionette.mergeOptions, |
| 1001 |
|
| 1002 |
// Proxy `getOption` to enable getting options from this or this.options by name. |
| 1003 |
getOption: Marionette.proxyGetOption |
| 1004 |
|
| 1005 |
}); |
| 1006 |
|
| 1007 |
// Object |
| 1008 |
// ------ |
| 1009 |
|
| 1010 |
// A Base Class that other Classes should descend from. |
| 1011 |
// Object borrows many conventions and utilities from Backbone. |
| 1012 |
Marionette.Object = function(options) { |
| 1013 |
this.options = _.extend({}, _.result(this, 'options'), options); |
| 1014 |
|
| 1015 |
this.initialize.apply(this, arguments); |
| 1016 |
}; |
| 1017 |
|
| 1018 |
Marionette.Object.extend = Marionette.extend; |
| 1019 |
|
| 1020 |
// Object Methods |
| 1021 |
// -------------- |
| 1022 |
|
| 1023 |
// Ensure it can trigger events with Backbone.Events |
| 1024 |
_.extend(Marionette.Object.prototype, Backbone.Events, { |
| 1025 |
|
| 1026 |
//this is a noop method intended to be overridden by classes that extend from this base |
| 1027 |
initialize: function() {}, |
| 1028 |
|
| 1029 |
destroy: function(options) { |
| 1030 |
options = options || {}; |
| 1031 |
|
| 1032 |
this.triggerMethod('before:destroy', options); |
| 1033 |
this.triggerMethod('destroy', options); |
| 1034 |
this.stopListening(); |
| 1035 |
|
| 1036 |
return this; |
| 1037 |
}, |
| 1038 |
|
| 1039 |
// Import the `triggerMethod` to trigger events with corresponding |
| 1040 |
// methods if the method exists |
| 1041 |
triggerMethod: Marionette.triggerMethod, |
| 1042 |
|
| 1043 |
// A handy way to merge options onto the instance |
| 1044 |
mergeOptions: Marionette.mergeOptions, |
| 1045 |
|
| 1046 |
// Proxy `getOption` to enable getting options from this or this.options by name. |
| 1047 |
getOption: Marionette.proxyGetOption, |
| 1048 |
|
| 1049 |
// Proxy `bindEntityEvents` to enable binding view's events from another entity. |
| 1050 |
bindEntityEvents: Marionette.proxyBindEntityEvents, |
| 1051 |
|
| 1052 |
// Proxy `unbindEntityEvents` to enable unbinding view's events from another entity. |
| 1053 |
unbindEntityEvents: Marionette.proxyUnbindEntityEvents |
| 1054 |
}); |
| 1055 |
|
| 1056 |
/* jshint maxcomplexity: 16, maxstatements: 45, maxlen: 120 */ |
| 1057 |
|
| 1058 |
// Region |
| 1059 |
// ------ |
| 1060 |
|
| 1061 |
// Manage the visual regions of your composite application. See |
| 1062 |
// http://lostechies.com/derickbailey/2011/12/12/composite-js-apps-regions-and-region-managers/ |
| 1063 |
|
| 1064 |
Marionette.Region = Marionette.Object.extend({ |
| 1065 |
constructor: function(options) { |
| 1066 |
|
| 1067 |
// set options temporarily so that we can get `el`. |
| 1068 |
// options will be overriden by Object.constructor |
| 1069 |
this.options = options || {}; |
| 1070 |
this.el = this.getOption('el'); |
| 1071 |
|
| 1072 |
// Handle when this.el is passed in as a $ wrapped element. |
| 1073 |
this.el = this.el instanceof Backbone.$ ? this.el[0] : this.el; |
| 1074 |
|
| 1075 |
if (!this.el) { |
| 1076 |
throw new Marionette.Error({ |
| 1077 |
name: 'NoElError', |
| 1078 |
message: 'An "el" must be specified for a region.' |
| 1079 |
}); |
| 1080 |
} |
| 1081 |
|
| 1082 |
this.$el = this.getEl(this.el); |
| 1083 |
Marionette.Object.call(this, options); |
| 1084 |
}, |
| 1085 |
|
| 1086 |
// Displays a backbone view instance inside of the region. |
| 1087 |
// Handles calling the `render` method for you. Reads content |
| 1088 |
// directly from the `el` attribute. Also calls an optional |
| 1089 |
// `onShow` and `onDestroy` method on your view, just after showing |
| 1090 |
// or just before destroying the view, respectively. |
| 1091 |
// The `preventDestroy` option can be used to prevent a view from |
| 1092 |
// the old view being destroyed on show. |
| 1093 |
// The `forceShow` option can be used to force a view to be |
| 1094 |
// re-rendered if it's already shown in the region. |
| 1095 |
show: function(view, options) { |
| 1096 |
if (!this._ensureElement()) { |
| 1097 |
return; |
| 1098 |
} |
| 1099 |
|
| 1100 |
this._ensureViewIsIntact(view); |
| 1101 |
Marionette.MonitorDOMRefresh(view); |
| 1102 |
|
| 1103 |
var showOptions = options || {}; |
| 1104 |
var isDifferentView = view !== this.currentView; |
| 1105 |
var preventDestroy = !!showOptions.preventDestroy; |
| 1106 |
var forceShow = !!showOptions.forceShow; |
| 1107 |
|
| 1108 |
// We are only changing the view if there is a current view to change to begin with |
| 1109 |
var isChangingView = !!this.currentView; |
| 1110 |
|
| 1111 |
// Only destroy the current view if we don't want to `preventDestroy` and if |
| 1112 |
// the view given in the first argument is different than `currentView` |
| 1113 |
var _shouldDestroyView = isDifferentView && !preventDestroy; |
| 1114 |
|
| 1115 |
// Only show the view given in the first argument if it is different than |
| 1116 |
// the current view or if we want to re-show the view. Note that if |
| 1117 |
// `_shouldDestroyView` is true, then `_shouldShowView` is also necessarily true. |
| 1118 |
var _shouldShowView = isDifferentView || forceShow; |
| 1119 |
|
| 1120 |
if (isChangingView) { |
| 1121 |
this.triggerMethod('before:swapOut', this.currentView, this, options); |
| 1122 |
} |
| 1123 |
|
| 1124 |
if (this.currentView && isDifferentView) { |
| 1125 |
delete this.currentView._parent; |
| 1126 |
} |
| 1127 |
|
| 1128 |
if (_shouldDestroyView) { |
| 1129 |
this.empty(); |
| 1130 |
|
| 1131 |
// A `destroy` event is attached to the clean up manually removed views. |
| 1132 |
// We need to detach this event when a new view is going to be shown as it |
| 1133 |
// is no longer relevant. |
| 1134 |
} else if (isChangingView && _shouldShowView) { |
| 1135 |
this.currentView.off('destroy', this.empty, this); |
| 1136 |
} |
| 1137 |
|
| 1138 |
if (_shouldShowView) { |
| 1139 |
|
| 1140 |
// We need to listen for if a view is destroyed |
| 1141 |
// in a way other than through the region. |
| 1142 |
// If this happens we need to remove the reference |
| 1143 |
// to the currentView since once a view has been destroyed |
| 1144 |
// we can not reuse it. |
| 1145 |
view.once('destroy', this.empty, this); |
| 1146 |
|
| 1147 |
// make this region the view's parent, |
| 1148 |
// It's important that this parent binding happens before rendering |
| 1149 |
// so that any events the child may trigger during render can also be |
| 1150 |
// triggered on the child's ancestor views |
| 1151 |
view._parent = this; |
| 1152 |
this._renderView(view); |
| 1153 |
|
| 1154 |
if (isChangingView) { |
| 1155 |
this.triggerMethod('before:swap', view, this, options); |
| 1156 |
} |
| 1157 |
|
| 1158 |
this.triggerMethod('before:show', view, this, options); |
| 1159 |
Marionette.triggerMethodOn(view, 'before:show', view, this, options); |
| 1160 |
|
| 1161 |
if (isChangingView) { |
| 1162 |
this.triggerMethod('swapOut', this.currentView, this, options); |
| 1163 |
} |
| 1164 |
|
| 1165 |
// An array of views that we're about to display |
| 1166 |
var attachedRegion = Marionette.isNodeAttached(this.el); |
| 1167 |
|
| 1168 |
// The views that we're about to attach to the document |
| 1169 |
// It's important that we prevent _getNestedViews from being executed unnecessarily |
| 1170 |
// as it's a potentially-slow method |
| 1171 |
var displayedViews = []; |
| 1172 |
|
| 1173 |
var attachOptions = _.extend({ |
| 1174 |
triggerBeforeAttach: this.triggerBeforeAttach, |
| 1175 |
triggerAttach: this.triggerAttach |
| 1176 |
}, showOptions); |
| 1177 |
|
| 1178 |
if (attachedRegion && attachOptions.triggerBeforeAttach) { |
| 1179 |
displayedViews = this._displayedViews(view); |
| 1180 |
this._triggerAttach(displayedViews, 'before:'); |
| 1181 |
} |
| 1182 |
|
| 1183 |
this.attachHtml(view); |
| 1184 |
this.currentView = view; |
| 1185 |
|
| 1186 |
if (attachedRegion && attachOptions.triggerAttach) { |
| 1187 |
displayedViews = this._displayedViews(view); |
| 1188 |
this._triggerAttach(displayedViews); |
| 1189 |
} |
| 1190 |
|
| 1191 |
if (isChangingView) { |
| 1192 |
this.triggerMethod('swap', view, this, options); |
| 1193 |
} |
| 1194 |
|
| 1195 |
this.triggerMethod('show', view, this, options); |
| 1196 |
Marionette.triggerMethodOn(view, 'show', view, this, options); |
| 1197 |
|
| 1198 |
return this; |
| 1199 |
} |
| 1200 |
|
| 1201 |
return this; |
| 1202 |
}, |
| 1203 |
|
| 1204 |
triggerBeforeAttach: true, |
| 1205 |
triggerAttach: true, |
| 1206 |
|
| 1207 |
_triggerAttach: function(views, prefix) { |
| 1208 |
var eventName = (prefix || '') + 'attach'; |
| 1209 |
_.each(views, function(view) { |
| 1210 |
Marionette.triggerMethodOn(view, eventName, view, this); |
| 1211 |
}, this); |
| 1212 |
}, |
| 1213 |
|
| 1214 |
_displayedViews: function(view) { |
| 1215 |
return _.union([view], _.result(view, '_getNestedViews') || []); |
| 1216 |
}, |
| 1217 |
|
| 1218 |
_renderView: function(view) { |
| 1219 |
if (!view.supportsRenderLifecycle) { |
| 1220 |
Marionette.triggerMethodOn(view, 'before:render', view); |
| 1221 |
} |
| 1222 |
view.render(); |
| 1223 |
if (!view.supportsRenderLifecycle) { |
| 1224 |
Marionette.triggerMethodOn(view, 'render', view); |
| 1225 |
} |
| 1226 |
}, |
| 1227 |
|
| 1228 |
_ensureElement: function() { |
| 1229 |
if (!_.isObject(this.el)) { |
| 1230 |
this.$el = this.getEl(this.el); |
| 1231 |
this.el = this.$el[0]; |
| 1232 |
} |
| 1233 |
|
| 1234 |
if (!this.$el || this.$el.length === 0) { |
| 1235 |
if (this.getOption('allowMissingEl')) { |
| 1236 |
return false; |
| 1237 |
} else { |
| 1238 |
throw new Marionette.Error('An "el" ' + this.$el.selector + ' must exist in DOM'); |
| 1239 |
} |
| 1240 |
} |
| 1241 |
return true; |
| 1242 |
}, |
| 1243 |
|
| 1244 |
_ensureViewIsIntact: function(view) { |
| 1245 |
if (!view) { |
| 1246 |
throw new Marionette.Error({ |
| 1247 |
name: 'ViewNotValid', |
| 1248 |
message: 'The view passed is undefined and therefore invalid. You must pass a view instance to show.' |
| 1249 |
}); |
| 1250 |
} |
| 1251 |
|
| 1252 |
if (view.isDestroyed) { |
| 1253 |
throw new Marionette.Error({ |
| 1254 |
name: 'ViewDestroyedError', |
| 1255 |
message: 'View (cid: "' + view.cid + '") has already been destroyed and cannot be used.' |
| 1256 |
}); |
| 1257 |
} |
| 1258 |
}, |
| 1259 |
|
| 1260 |
// Override this method to change how the region finds the DOM |
| 1261 |
// element that it manages. Return a jQuery selector object scoped |
| 1262 |
// to a provided parent el or the document if none exists. |
| 1263 |
getEl: function(el) { |
| 1264 |
return Backbone.$(el, Marionette._getValue(this.options.parentEl, this)); |
| 1265 |
}, |
| 1266 |
|
| 1267 |
// Override this method to change how the new view is |
| 1268 |
// appended to the `$el` that the region is managing |
| 1269 |
attachHtml: function(view) { |
| 1270 |
this.$el.contents().detach(); |
| 1271 |
|
| 1272 |
this.el.appendChild(view.el); |
| 1273 |
}, |
| 1274 |
|
| 1275 |
// Destroy the current view, if there is one. If there is no |
| 1276 |
// current view, it does nothing and returns immediately. |
| 1277 |
empty: function(options) { |
| 1278 |
var view = this.currentView; |
| 1279 |
|
| 1280 |
var emptyOptions = options || {}; |
| 1281 |
var preventDestroy = !!emptyOptions.preventDestroy; |
| 1282 |
// If there is no view in the region |
| 1283 |
// we should not remove anything |
| 1284 |
if (!view) { return this; } |
| 1285 |
|
| 1286 |
view.off('destroy', this.empty, this); |
| 1287 |
this.triggerMethod('before:empty', view); |
| 1288 |
if (!preventDestroy) { |
| 1289 |
this._destroyView(); |
| 1290 |
} |
| 1291 |
this.triggerMethod('empty', view); |
| 1292 |
|
| 1293 |
// Remove region pointer to the currentView |
| 1294 |
delete this.currentView; |
| 1295 |
|
| 1296 |
if (preventDestroy) { |
| 1297 |
this.$el.contents().detach(); |
| 1298 |
} |
| 1299 |
|
| 1300 |
return this; |
| 1301 |
}, |
| 1302 |
|
| 1303 |
// call 'destroy' or 'remove', depending on which is found |
| 1304 |
// on the view (if showing a raw Backbone view or a Marionette View) |
| 1305 |
_destroyView: function() { |
| 1306 |
var view = this.currentView; |
| 1307 |
if (view.isDestroyed) { return; } |
| 1308 |
|
| 1309 |
if (!view.supportsDestroyLifecycle) { |
| 1310 |
Marionette.triggerMethodOn(view, 'before:destroy', view); |
| 1311 |
} |
| 1312 |
if (view.destroy) { |
| 1313 |
view.destroy(); |
| 1314 |
} else { |
| 1315 |
view.remove(); |
| 1316 |
|
| 1317 |
// appending isDestroyed to raw Backbone View allows regions |
| 1318 |
// to throw a ViewDestroyedError for this view |
| 1319 |
view.isDestroyed = true; |
| 1320 |
} |
| 1321 |
if (!view.supportsDestroyLifecycle) { |
| 1322 |
Marionette.triggerMethodOn(view, 'destroy', view); |
| 1323 |
} |
| 1324 |
}, |
| 1325 |
|
| 1326 |
// Attach an existing view to the region. This |
| 1327 |
// will not call `render` or `onShow` for the new view, |
| 1328 |
// and will not replace the current HTML for the `el` |
| 1329 |
// of the region. |
| 1330 |
attachView: function(view) { |
| 1331 |
if (this.currentView) { |
| 1332 |
delete this.currentView._parent; |
| 1333 |
} |
| 1334 |
view._parent = this; |
| 1335 |
this.currentView = view; |
| 1336 |
return this; |
| 1337 |
}, |
| 1338 |
|
| 1339 |
// Checks whether a view is currently present within |
| 1340 |
// the region. Returns `true` if there is and `false` if |
| 1341 |
// no view is present. |
| 1342 |
hasView: function() { |
| 1343 |
return !!this.currentView; |
| 1344 |
}, |
| 1345 |
|
| 1346 |
// Reset the region by destroying any existing view and |
| 1347 |
// clearing out the cached `$el`. The next time a view |
| 1348 |
// is shown via this region, the region will re-query the |
| 1349 |
// DOM for the region's `el`. |
| 1350 |
reset: function() { |
| 1351 |
this.empty(); |
| 1352 |
|
| 1353 |
if (this.$el) { |
| 1354 |
// 2020-12-20 Changed for compatibility with jQuery 3. |
| 1355 |
this.el = this.options.el; |
| 1356 |
} |
| 1357 |
|
| 1358 |
delete this.$el; |
| 1359 |
return this; |
| 1360 |
} |
| 1361 |
|
| 1362 |
}, |
| 1363 |
|
| 1364 |
// Static Methods |
| 1365 |
{ |
| 1366 |
|
| 1367 |
// Build an instance of a region by passing in a configuration object |
| 1368 |
// and a default region class to use if none is specified in the config. |
| 1369 |
// |
| 1370 |
// The config object should either be a string as a jQuery DOM selector, |
| 1371 |
// a Region class directly, or an object literal that specifies a selector, |
| 1372 |
// a custom regionClass, and any options to be supplied to the region: |
| 1373 |
// |
| 1374 |
// ```js |
| 1375 |
// { |
| 1376 |
// selector: "#foo", |
| 1377 |
// regionClass: MyCustomRegion, |
| 1378 |
// allowMissingEl: false |
| 1379 |
// } |
| 1380 |
// ``` |
| 1381 |
// |
| 1382 |
buildRegion: function(regionConfig, DefaultRegionClass) { |
| 1383 |
if (_.isString(regionConfig)) { |
| 1384 |
return this._buildRegionFromSelector(regionConfig, DefaultRegionClass); |
| 1385 |
} |
| 1386 |
|
| 1387 |
if (regionConfig.selector || regionConfig.el || regionConfig.regionClass) { |
| 1388 |
return this._buildRegionFromObject(regionConfig, DefaultRegionClass); |
| 1389 |
} |
| 1390 |
|
| 1391 |
if (_.isFunction(regionConfig)) { |
| 1392 |
return this._buildRegionFromRegionClass(regionConfig); |
| 1393 |
} |
| 1394 |
|
| 1395 |
throw new Marionette.Error({ |
| 1396 |
message: 'Improper region configuration type.', |
| 1397 |
url: 'marionette.region.html#region-configuration-types' |
| 1398 |
}); |
| 1399 |
}, |
| 1400 |
|
| 1401 |
// Build the region from a string selector like '#foo-region' |
| 1402 |
_buildRegionFromSelector: function(selector, DefaultRegionClass) { |
| 1403 |
return new DefaultRegionClass({el: selector}); |
| 1404 |
}, |
| 1405 |
|
| 1406 |
// Build the region from a configuration object |
| 1407 |
// ```js |
| 1408 |
// { selector: '#foo', regionClass: FooRegion, allowMissingEl: false } |
| 1409 |
// ``` |
| 1410 |
_buildRegionFromObject: function(regionConfig, DefaultRegionClass) { |
| 1411 |
var RegionClass = regionConfig.regionClass || DefaultRegionClass; |
| 1412 |
var options = _.omit(regionConfig, 'selector', 'regionClass'); |
| 1413 |
|
| 1414 |
if (regionConfig.selector && !options.el) { |
| 1415 |
options.el = regionConfig.selector; |
| 1416 |
} |
| 1417 |
|
| 1418 |
return new RegionClass(options); |
| 1419 |
}, |
| 1420 |
|
| 1421 |
// Build the region directly from a given `RegionClass` |
| 1422 |
_buildRegionFromRegionClass: function(RegionClass) { |
| 1423 |
return new RegionClass(); |
| 1424 |
} |
| 1425 |
}); |
| 1426 |
|
| 1427 |
// Region Manager |
| 1428 |
// -------------- |
| 1429 |
|
| 1430 |
// Manage one or more related `Marionette.Region` objects. |
| 1431 |
Marionette.RegionManager = Marionette.Controller.extend({ |
| 1432 |
constructor: function(options) { |
| 1433 |
this._regions = {}; |
| 1434 |
this.length = 0; |
| 1435 |
|
| 1436 |
Marionette.Controller.call(this, options); |
| 1437 |
|
| 1438 |
this.addRegions(this.getOption('regions')); |
| 1439 |
}, |
| 1440 |
|
| 1441 |
// Add multiple regions using an object literal or a |
| 1442 |
// function that returns an object literal, where |
| 1443 |
// each key becomes the region name, and each value is |
| 1444 |
// the region definition. |
| 1445 |
addRegions: function(regionDefinitions, defaults) { |
| 1446 |
regionDefinitions = Marionette._getValue(regionDefinitions, this, arguments); |
| 1447 |
|
| 1448 |
return _.reduce(regionDefinitions, function(regions, definition, name) { |
| 1449 |
if (_.isString(definition)) { |
| 1450 |
definition = {selector: definition}; |
| 1451 |
} |
| 1452 |
if (definition.selector) { |
| 1453 |
definition = _.defaults({}, definition, defaults); |
| 1454 |
} |
| 1455 |
|
| 1456 |
regions[name] = this.addRegion(name, definition); |
| 1457 |
return regions; |
| 1458 |
}, {}, this); |
| 1459 |
}, |
| 1460 |
|
| 1461 |
// Add an individual region to the region manager, |
| 1462 |
// and return the region instance |
| 1463 |
addRegion: function(name, definition) { |
| 1464 |
var region; |
| 1465 |
|
| 1466 |
if (definition instanceof Marionette.Region) { |
| 1467 |
region = definition; |
| 1468 |
} else { |
| 1469 |
region = Marionette.Region.buildRegion(definition, Marionette.Region); |
| 1470 |
} |
| 1471 |
|
| 1472 |
this.triggerMethod('before:add:region', name, region); |
| 1473 |
|
| 1474 |
region._parent = this; |
| 1475 |
this._store(name, region); |
| 1476 |
|
| 1477 |
this.triggerMethod('add:region', name, region); |
| 1478 |
return region; |
| 1479 |
}, |
| 1480 |
|
| 1481 |
// Get a region by name |
| 1482 |
get: function(name) { |
| 1483 |
return this._regions[name]; |
| 1484 |
}, |
| 1485 |
|
| 1486 |
// Gets all the regions contained within |
| 1487 |
// the `regionManager` instance. |
| 1488 |
getRegions: function() { |
| 1489 |
return _.clone(this._regions); |
| 1490 |
}, |
| 1491 |
|
| 1492 |
// Remove a region by name |
| 1493 |
removeRegion: function(name) { |
| 1494 |
var region = this._regions[name]; |
| 1495 |
this._remove(name, region); |
| 1496 |
|
| 1497 |
return region; |
| 1498 |
}, |
| 1499 |
|
| 1500 |
// Empty all regions in the region manager, and |
| 1501 |
// remove them |
| 1502 |
removeRegions: function() { |
| 1503 |
var regions = this.getRegions(); |
| 1504 |
_.each(this._regions, function(region, name) { |
| 1505 |
this._remove(name, region); |
| 1506 |
}, this); |
| 1507 |
|
| 1508 |
return regions; |
| 1509 |
}, |
| 1510 |
|
| 1511 |
// Empty all regions in the region manager, but |
| 1512 |
// leave them attached |
| 1513 |
emptyRegions: function() { |
| 1514 |
var regions = this.getRegions(); |
| 1515 |
_.invoke(regions, 'empty'); |
| 1516 |
return regions; |
| 1517 |
}, |
| 1518 |
|
| 1519 |
// Destroy all regions and shut down the region |
| 1520 |
// manager entirely |
| 1521 |
destroy: function() { |
| 1522 |
this.removeRegions(); |
| 1523 |
return Marionette.Controller.prototype.destroy.apply(this, arguments); |
| 1524 |
}, |
| 1525 |
|
| 1526 |
// internal method to store regions |
| 1527 |
_store: function(name, region) { |
| 1528 |
if (!this._regions[name]) { |
| 1529 |
this.length++; |
| 1530 |
} |
| 1531 |
|
| 1532 |
this._regions[name] = region; |
| 1533 |
}, |
| 1534 |
|
| 1535 |
// internal method to remove a region |
| 1536 |
_remove: function(name, region) { |
| 1537 |
this.triggerMethod('before:remove:region', name, region); |
| 1538 |
region.empty(); |
| 1539 |
region.stopListening(); |
| 1540 |
|
| 1541 |
delete region._parent; |
| 1542 |
delete this._regions[name]; |
| 1543 |
this.length--; |
| 1544 |
this.triggerMethod('remove:region', name, region); |
| 1545 |
} |
| 1546 |
}); |
| 1547 |
|
| 1548 |
Marionette.actAsCollection(Marionette.RegionManager.prototype, '_regions'); |
| 1549 |
|
| 1550 |
|
| 1551 |
// Template Cache |
| 1552 |
// -------------- |
| 1553 |
|
| 1554 |
// Manage templates stored in `<script>` blocks, |
| 1555 |
// caching them for faster access. |
| 1556 |
Marionette.TemplateCache = function(templateId) { |
| 1557 |
this.templateId = templateId; |
| 1558 |
}; |
| 1559 |
|
| 1560 |
// TemplateCache object-level methods. Manage the template |
| 1561 |
// caches from these method calls instead of creating |
| 1562 |
// your own TemplateCache instances |
| 1563 |
_.extend(Marionette.TemplateCache, { |
| 1564 |
templateCaches: {}, |
| 1565 |
|
| 1566 |
// Get the specified template by id. Either |
| 1567 |
// retrieves the cached version, or loads it |
| 1568 |
// from the DOM. |
| 1569 |
get: function(templateId, options) { |
| 1570 |
var cachedTemplate = this.templateCaches[templateId]; |
| 1571 |
|
| 1572 |
if (!cachedTemplate) { |
| 1573 |
cachedTemplate = new Marionette.TemplateCache(templateId); |
| 1574 |
this.templateCaches[templateId] = cachedTemplate; |
| 1575 |
} |
| 1576 |
|
| 1577 |
return cachedTemplate.load(options); |
| 1578 |
}, |
| 1579 |
|
| 1580 |
// Clear templates from the cache. If no arguments |
| 1581 |
// are specified, clears all templates: |
| 1582 |
// `clear()` |
| 1583 |
// |
| 1584 |
// If arguments are specified, clears each of the |
| 1585 |
// specified templates from the cache: |
| 1586 |
// `clear("#t1", "#t2", "...")` |
| 1587 |
clear: function() { |
| 1588 |
var i; |
| 1589 |
var args = _.toArray(arguments); |
| 1590 |
var length = args.length; |
| 1591 |
|
| 1592 |
if (length > 0) { |
| 1593 |
for (i = 0; i < length; i++) { |
| 1594 |
delete this.templateCaches[args[i]]; |
| 1595 |
} |
| 1596 |
} else { |
| 1597 |
this.templateCaches = {}; |
| 1598 |
} |
| 1599 |
} |
| 1600 |
}); |
| 1601 |
|
| 1602 |
// TemplateCache instance methods, allowing each |
| 1603 |
// template cache object to manage its own state |
| 1604 |
// and know whether or not it has been loaded |
| 1605 |
_.extend(Marionette.TemplateCache.prototype, { |
| 1606 |
|
| 1607 |
// Internal method to load the template |
| 1608 |
load: function(options) { |
| 1609 |
// Guard clause to prevent loading this template more than once |
| 1610 |
if (this.compiledTemplate) { |
| 1611 |
return this.compiledTemplate; |
| 1612 |
} |
| 1613 |
|
| 1614 |
// Load the template and compile it |
| 1615 |
var template = this.loadTemplate(this.templateId, options); |
| 1616 |
this.compiledTemplate = this.compileTemplate(template, options); |
| 1617 |
|
| 1618 |
return this.compiledTemplate; |
| 1619 |
}, |
| 1620 |
|
| 1621 |
// Load a template from the DOM, by default. Override |
| 1622 |
// this method to provide your own template retrieval |
| 1623 |
// For asynchronous loading with AMD/RequireJS, consider |
| 1624 |
// using a template-loader plugin as described here: |
| 1625 |
// https://github.com/marionettejs/backbone.marionette/wiki/Using-marionette-with-requirejs |
| 1626 |
loadTemplate: function(templateId, options) { |
| 1627 |
var $template = '#' === templateId.charAt(0) |
| 1628 |
? Backbone.$('script' + templateId) |
| 1629 |
: Backbone.$(templateId); |
| 1630 |
|
| 1631 |
if (!$template.length) { |
| 1632 |
throw new Marionette.Error({ |
| 1633 |
name: 'NoTemplateError', |
| 1634 |
message: 'Could not find template: "' + templateId + '"' |
| 1635 |
}); |
| 1636 |
} |
| 1637 |
return $template.html(); |
| 1638 |
}, |
| 1639 |
|
| 1640 |
// Pre-compile the template before caching it. Override |
| 1641 |
// this method if you do not need to pre-compile a template |
| 1642 |
// (JST / RequireJS for example) or if you want to change |
| 1643 |
// the template engine used (Handebars, etc). |
| 1644 |
compileTemplate: function(rawTemplate, options) { |
| 1645 |
return _.template(rawTemplate, options); |
| 1646 |
} |
| 1647 |
}); |
| 1648 |
|
| 1649 |
// Renderer |
| 1650 |
// -------- |
| 1651 |
|
| 1652 |
// Render a template with data by passing in the template |
| 1653 |
// selector and the data to render. |
| 1654 |
Marionette.Renderer = { |
| 1655 |
|
| 1656 |
// Render a template with data. The `template` parameter is |
| 1657 |
// passed to the `TemplateCache` object to retrieve the |
| 1658 |
// template function. Override this method to provide your own |
| 1659 |
// custom rendering and template handling for all of Marionette. |
| 1660 |
render: function(template, data) { |
| 1661 |
if (!template) { |
| 1662 |
throw new Marionette.Error({ |
| 1663 |
name: 'TemplateNotFoundError', |
| 1664 |
message: 'Cannot render the template since its false, null or undefined.' |
| 1665 |
}); |
| 1666 |
} |
| 1667 |
|
| 1668 |
var templateFunc = _.isFunction(template) ? template : Marionette.TemplateCache.get(template); |
| 1669 |
|
| 1670 |
return templateFunc(data); |
| 1671 |
} |
| 1672 |
}; |
| 1673 |
|
| 1674 |
|
| 1675 |
/* jshint maxlen: 114, nonew: false */ |
| 1676 |
// View |
| 1677 |
// ---- |
| 1678 |
|
| 1679 |
// The core view class that other Marionette views extend from. |
| 1680 |
Marionette.View = Backbone.View.extend({ |
| 1681 |
isDestroyed: false, |
| 1682 |
supportsRenderLifecycle: true, |
| 1683 |
supportsDestroyLifecycle: true, |
| 1684 |
|
| 1685 |
constructor: function(options) { |
| 1686 |
this.render = _.bind(this.render, this); |
| 1687 |
|
| 1688 |
options = Marionette._getValue(options, this); |
| 1689 |
|
| 1690 |
// this exposes view options to the view initializer |
| 1691 |
// this is a backfill since backbone removed the assignment |
| 1692 |
// of this.options |
| 1693 |
// at some point however this may be removed |
| 1694 |
this.options = _.extend({}, _.result(this, 'options'), options); |
| 1695 |
|
| 1696 |
this._behaviors = Marionette.Behaviors(this); |
| 1697 |
|
| 1698 |
Backbone.View.call(this, this.options); |
| 1699 |
|
| 1700 |
Marionette.MonitorDOMRefresh(this); |
| 1701 |
}, |
| 1702 |
|
| 1703 |
// Get the template for this view |
| 1704 |
// instance. You can set a `template` attribute in the view |
| 1705 |
// definition or pass a `template: "whatever"` parameter in |
| 1706 |
// to the constructor options. |
| 1707 |
getTemplate: function() { |
| 1708 |
return this.getOption('template'); |
| 1709 |
}, |
| 1710 |
|
| 1711 |
// Serialize a model by returning its attributes. Clones |
| 1712 |
// the attributes to allow modification. |
| 1713 |
serializeModel: function(model) { |
| 1714 |
return model.toJSON.apply(model, _.rest(arguments)); |
| 1715 |
}, |
| 1716 |
|
| 1717 |
// Mix in template helper methods. Looks for a |
| 1718 |
// `templateHelpers` attribute, which can either be an |
| 1719 |
// object literal, or a function that returns an object |
| 1720 |
// literal. All methods and attributes from this object |
| 1721 |
// are copies to the object passed in. |
| 1722 |
mixinTemplateHelpers: function(target) { |
| 1723 |
target = target || {}; |
| 1724 |
var templateHelpers = this.getOption('templateHelpers'); |
| 1725 |
templateHelpers = Marionette._getValue(templateHelpers, this); |
| 1726 |
return _.extend(target, templateHelpers); |
| 1727 |
}, |
| 1728 |
|
| 1729 |
// normalize the keys of passed hash with the views `ui` selectors. |
| 1730 |
// `{"@ui.foo": "bar"}` |
| 1731 |
normalizeUIKeys: function(hash) { |
| 1732 |
var uiBindings = _.result(this, '_uiBindings'); |
| 1733 |
return Marionette.normalizeUIKeys(hash, uiBindings || _.result(this, 'ui')); |
| 1734 |
}, |
| 1735 |
|
| 1736 |
// normalize the values of passed hash with the views `ui` selectors. |
| 1737 |
// `{foo: "@ui.bar"}` |
| 1738 |
normalizeUIValues: function(hash, properties) { |
| 1739 |
var ui = _.result(this, 'ui'); |
| 1740 |
var uiBindings = _.result(this, '_uiBindings'); |
| 1741 |
return Marionette.normalizeUIValues(hash, uiBindings || ui, properties); |
| 1742 |
}, |
| 1743 |
|
| 1744 |
// Configure `triggers` to forward DOM events to view |
| 1745 |
// events. `triggers: {"click .foo": "do:foo"}` |
| 1746 |
configureTriggers: function() { |
| 1747 |
if (!this.triggers) { return; } |
| 1748 |
|
| 1749 |
// Allow `triggers` to be configured as a function |
| 1750 |
var triggers = this.normalizeUIKeys(_.result(this, 'triggers')); |
| 1751 |
|
| 1752 |
// Configure the triggers, prevent default |
| 1753 |
// action and stop propagation of DOM events |
| 1754 |
return _.reduce(triggers, function(events, value, key) { |
| 1755 |
events[key] = this._buildViewTrigger(value); |
| 1756 |
return events; |
| 1757 |
}, {}, this); |
| 1758 |
}, |
| 1759 |
|
| 1760 |
// Overriding Backbone.View's delegateEvents to handle |
| 1761 |
// the `triggers`, `modelEvents`, and `collectionEvents` configuration |
| 1762 |
delegateEvents: function(events) { |
| 1763 |
this._delegateDOMEvents(events); |
| 1764 |
this.bindEntityEvents(this.model, this.getOption('modelEvents')); |
| 1765 |
this.bindEntityEvents(this.collection, this.getOption('collectionEvents')); |
| 1766 |
|
| 1767 |
_.each(this._behaviors, function(behavior) { |
| 1768 |
behavior.bindEntityEvents(this.model, behavior.getOption('modelEvents')); |
| 1769 |
behavior.bindEntityEvents(this.collection, behavior.getOption('collectionEvents')); |
| 1770 |
}, this); |
| 1771 |
|
| 1772 |
return this; |
| 1773 |
}, |
| 1774 |
|
| 1775 |
// internal method to delegate DOM events and triggers |
| 1776 |
_delegateDOMEvents: function(eventsArg) { |
| 1777 |
var events = Marionette._getValue(eventsArg || this.events, this); |
| 1778 |
|
| 1779 |
// normalize ui keys |
| 1780 |
events = this.normalizeUIKeys(events); |
| 1781 |
if (_.isUndefined(eventsArg)) {this.events = events;} |
| 1782 |
|
| 1783 |
var combinedEvents = {}; |
| 1784 |
|
| 1785 |
// look up if this view has behavior events |
| 1786 |
var behaviorEvents = _.result(this, 'behaviorEvents') || {}; |
| 1787 |
var triggers = this.configureTriggers(); |
| 1788 |
var behaviorTriggers = _.result(this, 'behaviorTriggers') || {}; |
| 1789 |
|
| 1790 |
// behavior events will be overriden by view events and or triggers |
| 1791 |
_.extend(combinedEvents, behaviorEvents, events, triggers, behaviorTriggers); |
| 1792 |
|
| 1793 |
Backbone.View.prototype.delegateEvents.call(this, combinedEvents); |
| 1794 |
}, |
| 1795 |
|
| 1796 |
// Overriding Backbone.View's undelegateEvents to handle unbinding |
| 1797 |
// the `triggers`, `modelEvents`, and `collectionEvents` config |
| 1798 |
undelegateEvents: function() { |
| 1799 |
Backbone.View.prototype.undelegateEvents.apply(this, arguments); |
| 1800 |
|
| 1801 |
this.unbindEntityEvents(this.model, this.getOption('modelEvents')); |
| 1802 |
this.unbindEntityEvents(this.collection, this.getOption('collectionEvents')); |
| 1803 |
|
| 1804 |
_.each(this._behaviors, function(behavior) { |
| 1805 |
behavior.unbindEntityEvents(this.model, behavior.getOption('modelEvents')); |
| 1806 |
behavior.unbindEntityEvents(this.collection, behavior.getOption('collectionEvents')); |
| 1807 |
}, this); |
| 1808 |
|
| 1809 |
return this; |
| 1810 |
}, |
| 1811 |
|
| 1812 |
// Internal helper method to verify whether the view hasn't been destroyed |
| 1813 |
_ensureViewIsIntact: function() { |
| 1814 |
if (this.isDestroyed) { |
| 1815 |
throw new Marionette.Error({ |
| 1816 |
name: 'ViewDestroyedError', |
| 1817 |
message: 'View (cid: "' + this.cid + '") has already been destroyed and cannot be used.' |
| 1818 |
}); |
| 1819 |
} |
| 1820 |
}, |
| 1821 |
|
| 1822 |
// Default `destroy` implementation, for removing a view from the |
| 1823 |
// DOM and unbinding it. Regions will call this method |
| 1824 |
// for you. You can specify an `onDestroy` method in your view to |
| 1825 |
// add custom code that is called after the view is destroyed. |
| 1826 |
destroy: function() { |
| 1827 |
if (this.isDestroyed) { return this; } |
| 1828 |
|
| 1829 |
var args = _.toArray(arguments); |
| 1830 |
|
| 1831 |
this.triggerMethod.apply(this, ['before:destroy'].concat(args)); |
| 1832 |
|
| 1833 |
// mark as destroyed before doing the actual destroy, to |
| 1834 |
// prevent infinite loops within "destroy" event handlers |
| 1835 |
// that are trying to destroy other views |
| 1836 |
this.isDestroyed = true; |
| 1837 |
this.triggerMethod.apply(this, ['destroy'].concat(args)); |
| 1838 |
|
| 1839 |
// unbind UI elements |
| 1840 |
this.unbindUIElements(); |
| 1841 |
|
| 1842 |
this.isRendered = false; |
| 1843 |
|
| 1844 |
// remove the view from the DOM |
| 1845 |
this.remove(); |
| 1846 |
|
| 1847 |
// Call destroy on each behavior after |
| 1848 |
// destroying the view. |
| 1849 |
// This unbinds event listeners |
| 1850 |
// that behaviors have registered for. |
| 1851 |
_.invoke(this._behaviors, 'destroy', args); |
| 1852 |
|
| 1853 |
return this; |
| 1854 |
}, |
| 1855 |
|
| 1856 |
bindUIElements: function() { |
| 1857 |
this._bindUIElements(); |
| 1858 |
_.invoke(this._behaviors, this._bindUIElements); |
| 1859 |
}, |
| 1860 |
|
| 1861 |
// This method binds the elements specified in the "ui" hash inside the view's code with |
| 1862 |
// the associated jQuery selectors. |
| 1863 |
_bindUIElements: function() { |
| 1864 |
if (!this.ui) { return; } |
| 1865 |
|
| 1866 |
// store the ui hash in _uiBindings so they can be reset later |
| 1867 |
// and so re-rendering the view will be able to find the bindings |
| 1868 |
if (!this._uiBindings) { |
| 1869 |
this._uiBindings = this.ui; |
| 1870 |
} |
| 1871 |
|
| 1872 |
// get the bindings result, as a function or otherwise |
| 1873 |
var bindings = _.result(this, '_uiBindings'); |
| 1874 |
|
| 1875 |
// empty the ui so we don't have anything to start with |
| 1876 |
this.ui = {}; |
| 1877 |
|
| 1878 |
// bind each of the selectors |
| 1879 |
_.each(bindings, function(selector, key) { |
| 1880 |
this.ui[key] = this.$(selector); |
| 1881 |
}, this); |
| 1882 |
}, |
| 1883 |
|
| 1884 |
// This method unbinds the elements specified in the "ui" hash |
| 1885 |
unbindUIElements: function() { |
| 1886 |
this._unbindUIElements(); |
| 1887 |
_.invoke(this._behaviors, this._unbindUIElements); |
| 1888 |
}, |
| 1889 |
|
| 1890 |
_unbindUIElements: function() { |
| 1891 |
if (!this.ui || !this._uiBindings) { return; } |
| 1892 |
|
| 1893 |
// delete all of the existing ui bindings |
| 1894 |
_.each(this.ui, function($el, name) { |
| 1895 |
delete this.ui[name]; |
| 1896 |
}, this); |
| 1897 |
|
| 1898 |
// reset the ui element to the original bindings configuration |
| 1899 |
this.ui = this._uiBindings; |
| 1900 |
delete this._uiBindings; |
| 1901 |
}, |
| 1902 |
|
| 1903 |
// Internal method to create an event handler for a given `triggerDef` like |
| 1904 |
// 'click:foo' |
| 1905 |
_buildViewTrigger: function(triggerDef) { |
| 1906 |
|
| 1907 |
var options = _.defaults({}, triggerDef, { |
| 1908 |
preventDefault: true, |
| 1909 |
stopPropagation: true |
| 1910 |
}); |
| 1911 |
|
| 1912 |
var eventName = _.isObject(triggerDef) ? options.event : triggerDef; |
| 1913 |
|
| 1914 |
return function(e) { |
| 1915 |
if (e) { |
| 1916 |
if (e.preventDefault && options.preventDefault) { |
| 1917 |
e.preventDefault(); |
| 1918 |
} |
| 1919 |
|
| 1920 |
if (e.stopPropagation && options.stopPropagation) { |
| 1921 |
e.stopPropagation(); |
| 1922 |
} |
| 1923 |
} |
| 1924 |
|
| 1925 |
var args = { |
| 1926 |
view: this, |
| 1927 |
model: this.model, |
| 1928 |
collection: this.collection |
| 1929 |
}; |
| 1930 |
|
| 1931 |
this.triggerMethod(eventName, args); |
| 1932 |
}; |
| 1933 |
}, |
| 1934 |
|
| 1935 |
setElement: function() { |
| 1936 |
var ret = Backbone.View.prototype.setElement.apply(this, arguments); |
| 1937 |
|
| 1938 |
// proxy behavior $el to the view's $el. |
| 1939 |
// This is needed because a view's $el proxy |
| 1940 |
// is not set until after setElement is called. |
| 1941 |
_.invoke(this._behaviors, 'proxyViewProperties', this); |
| 1942 |
|
| 1943 |
return ret; |
| 1944 |
}, |
| 1945 |
|
| 1946 |
// import the `triggerMethod` to trigger events with corresponding |
| 1947 |
// methods if the method exists |
| 1948 |
triggerMethod: function() { |
| 1949 |
var ret = Marionette._triggerMethod(this, arguments); |
| 1950 |
|
| 1951 |
this._triggerEventOnBehaviors(arguments); |
| 1952 |
this._triggerEventOnParentLayout(arguments[0], _.rest(arguments)); |
| 1953 |
|
| 1954 |
return ret; |
| 1955 |
}, |
| 1956 |
|
| 1957 |
_triggerEventOnBehaviors: function(args) { |
| 1958 |
var triggerMethod = Marionette._triggerMethod; |
| 1959 |
var behaviors = this._behaviors; |
| 1960 |
// Use good ol' for as this is a very hot function |
| 1961 |
for (var i = 0, length = behaviors && behaviors.length; i < length; i++) { |
| 1962 |
triggerMethod(behaviors[i], args); |
| 1963 |
} |
| 1964 |
}, |
| 1965 |
|
| 1966 |
_triggerEventOnParentLayout: function(eventName, args) { |
| 1967 |
var layoutView = this._parentLayoutView(); |
| 1968 |
if (!layoutView) { |
| 1969 |
return; |
| 1970 |
} |
| 1971 |
|
| 1972 |
// invoke triggerMethod on parent view |
| 1973 |
var eventPrefix = Marionette.getOption(layoutView, 'childViewEventPrefix'); |
| 1974 |
var prefixedEventName = eventPrefix + ':' + eventName; |
| 1975 |
var callArgs = [this].concat(args); |
| 1976 |
|
| 1977 |
Marionette._triggerMethod(layoutView, prefixedEventName, callArgs); |
| 1978 |
|
| 1979 |
// call the parent view's childEvents handler |
| 1980 |
var childEvents = Marionette.getOption(layoutView, 'childEvents'); |
| 1981 |
|
| 1982 |
// since childEvents can be an object or a function use Marionette._getValue |
| 1983 |
// to handle the abstaction for us. |
| 1984 |
childEvents = Marionette._getValue(childEvents, layoutView); |
| 1985 |
var normalizedChildEvents = layoutView.normalizeMethods(childEvents); |
| 1986 |
|
| 1987 |
if (normalizedChildEvents && _.isFunction(normalizedChildEvents[eventName])) { |
| 1988 |
normalizedChildEvents[eventName].apply(layoutView, callArgs); |
| 1989 |
} |
| 1990 |
}, |
| 1991 |
|
| 1992 |
// This method returns any views that are immediate |
| 1993 |
// children of this view |
| 1994 |
_getImmediateChildren: function() { |
| 1995 |
return []; |
| 1996 |
}, |
| 1997 |
|
| 1998 |
// Returns an array of every nested view within this view |
| 1999 |
_getNestedViews: function() { |
| 2000 |
var children = this._getImmediateChildren(); |
| 2001 |
|
| 2002 |
if (!children.length) { return children; } |
| 2003 |
|
| 2004 |
return _.reduce(children, function(memo, view) { |
| 2005 |
if (!view._getNestedViews) { return memo; } |
| 2006 |
return memo.concat(view._getNestedViews()); |
| 2007 |
}, children); |
| 2008 |
}, |
| 2009 |
|
| 2010 |
// Walk the _parent tree until we find a layout view (if one exists). |
| 2011 |
// Returns the parent layout view hierarchically closest to this view. |
| 2012 |
_parentLayoutView: function() { |
| 2013 |
var parent = this._parent; |
| 2014 |
|
| 2015 |
while (parent) { |
| 2016 |
if (parent instanceof Marionette.LayoutView) { |
| 2017 |
return parent; |
| 2018 |
} |
| 2019 |
parent = parent._parent; |
| 2020 |
} |
| 2021 |
}, |
| 2022 |
|
| 2023 |
// Imports the "normalizeMethods" to transform hashes of |
| 2024 |
// events=>function references/names to a hash of events=>function references |
| 2025 |
normalizeMethods: Marionette.normalizeMethods, |
| 2026 |
|
| 2027 |
// A handy way to merge passed-in options onto the instance |
| 2028 |
mergeOptions: Marionette.mergeOptions, |
| 2029 |
|
| 2030 |
// Proxy `getOption` to enable getting options from this or this.options by name. |
| 2031 |
getOption: Marionette.proxyGetOption, |
| 2032 |
|
| 2033 |
// Proxy `bindEntityEvents` to enable binding view's events from another entity. |
| 2034 |
bindEntityEvents: Marionette.proxyBindEntityEvents, |
| 2035 |
|
| 2036 |
// Proxy `unbindEntityEvents` to enable unbinding view's events from another entity. |
| 2037 |
unbindEntityEvents: Marionette.proxyUnbindEntityEvents |
| 2038 |
}); |
| 2039 |
|
| 2040 |
// Item View |
| 2041 |
// --------- |
| 2042 |
|
| 2043 |
// A single item view implementation that contains code for rendering |
| 2044 |
// with underscore.js templates, serializing the view's model or collection, |
| 2045 |
// and calling several methods on extended views, such as `onRender`. |
| 2046 |
Marionette.ItemView = Marionette.View.extend({ |
| 2047 |
|
| 2048 |
// Setting up the inheritance chain which allows changes to |
| 2049 |
// Marionette.View.prototype.constructor which allows overriding |
| 2050 |
constructor: function() { |
| 2051 |
Marionette.View.apply(this, arguments); |
| 2052 |
}, |
| 2053 |
|
| 2054 |
// Serialize the model or collection for the view. If a model is |
| 2055 |
// found, the view's `serializeModel` is called. If a collection is found, |
| 2056 |
// each model in the collection is serialized by calling |
| 2057 |
// the view's `serializeCollection` and put into an `items` array in |
| 2058 |
// the resulting data. If both are found, defaults to the model. |
| 2059 |
// You can override the `serializeData` method in your own view definition, |
| 2060 |
// to provide custom serialization for your view's data. |
| 2061 |
serializeData: function() { |
| 2062 |
if (!this.model && !this.collection) { |
| 2063 |
return {}; |
| 2064 |
} |
| 2065 |
|
| 2066 |
var args = [this.model || this.collection]; |
| 2067 |
if (arguments.length) { |
| 2068 |
args.push.apply(args, arguments); |
| 2069 |
} |
| 2070 |
|
| 2071 |
if (this.model) { |
| 2072 |
return this.serializeModel.apply(this, args); |
| 2073 |
} else { |
| 2074 |
return { |
| 2075 |
items: this.serializeCollection.apply(this, args) |
| 2076 |
}; |
| 2077 |
} |
| 2078 |
}, |
| 2079 |
|
| 2080 |
// Serialize a collection by serializing each of its models. |
| 2081 |
serializeCollection: function(collection) { |
| 2082 |
return collection.toJSON.apply(collection, _.rest(arguments)); |
| 2083 |
}, |
| 2084 |
|
| 2085 |
// Render the view, defaulting to underscore.js templates. |
| 2086 |
// You can override this in your view definition to provide |
| 2087 |
// a very specific rendering for your view. In general, though, |
| 2088 |
// you should override the `Marionette.Renderer` object to |
| 2089 |
// change how Marionette renders views. |
| 2090 |
render: function() { |
| 2091 |
this._ensureViewIsIntact(); |
| 2092 |
|
| 2093 |
this.triggerMethod('before:render', this); |
| 2094 |
|
| 2095 |
this._renderTemplate(); |
| 2096 |
this.isRendered = true; |
| 2097 |
this.bindUIElements(); |
| 2098 |
|
| 2099 |
this.triggerMethod('render', this); |
| 2100 |
|
| 2101 |
return this; |
| 2102 |
}, |
| 2103 |
|
| 2104 |
// Internal method to render the template with the serialized data |
| 2105 |
// and template helpers via the `Marionette.Renderer` object. |
| 2106 |
// Throws an `UndefinedTemplateError` error if the template is |
| 2107 |
// any falsely value but literal `false`. |
| 2108 |
_renderTemplate: function() { |
| 2109 |
var template = this.getTemplate(); |
| 2110 |
|
| 2111 |
// Allow template-less item views |
| 2112 |
if (template === false) { |
| 2113 |
return; |
| 2114 |
} |
| 2115 |
|
| 2116 |
if (!template) { |
| 2117 |
throw new Marionette.Error({ |
| 2118 |
name: 'UndefinedTemplateError', |
| 2119 |
message: 'Cannot render the template since it is null or undefined.' |
| 2120 |
}); |
| 2121 |
} |
| 2122 |
|
| 2123 |
// Add in entity data and template helpers |
| 2124 |
var data = this.mixinTemplateHelpers(this.serializeData()); |
| 2125 |
|
| 2126 |
// Render and add to el |
| 2127 |
var html = Marionette.Renderer.render(template, data, this); |
| 2128 |
this.attachElContent(html); |
| 2129 |
|
| 2130 |
return this; |
| 2131 |
}, |
| 2132 |
|
| 2133 |
// Attaches the content of a given view. |
| 2134 |
// This method can be overridden to optimize rendering, |
| 2135 |
// or to render in a non standard way. |
| 2136 |
// |
| 2137 |
// For example, using `innerHTML` instead of `$el.html` |
| 2138 |
// |
| 2139 |
// ```js |
| 2140 |
// attachElContent: function(html) { |
| 2141 |
// this.el.innerHTML = html; |
| 2142 |
// return this; |
| 2143 |
// } |
| 2144 |
// ``` |
| 2145 |
attachElContent: function(html) { |
| 2146 |
this.$el.html(html); |
| 2147 |
|
| 2148 |
return this; |
| 2149 |
} |
| 2150 |
}); |
| 2151 |
|
| 2152 |
/* jshint maxstatements: 20, maxcomplexity: 7 */ |
| 2153 |
|
| 2154 |
// Collection View |
| 2155 |
// --------------- |
| 2156 |
|
| 2157 |
// A view that iterates over a Backbone.Collection |
| 2158 |
// and renders an individual child view for each model. |
| 2159 |
Marionette.CollectionView = Marionette.View.extend({ |
| 2160 |
|
| 2161 |
// used as the prefix for child view events |
| 2162 |
// that are forwarded through the collectionview |
| 2163 |
childViewEventPrefix: 'childview', |
| 2164 |
|
| 2165 |
// flag for maintaining the sorted order of the collection |
| 2166 |
sort: true, |
| 2167 |
|
| 2168 |
// constructor |
| 2169 |
// option to pass `{sort: false}` to prevent the `CollectionView` from |
| 2170 |
// maintaining the sorted order of the collection. |
| 2171 |
// This will fallback onto appending childView's to the end. |
| 2172 |
// |
| 2173 |
// option to pass `{comparator: compFunction()}` to allow the `CollectionView` |
| 2174 |
// to use a custom sort order for the collection. |
| 2175 |
constructor: function(options) { |
| 2176 |
this.once('render', this._initialEvents); |
| 2177 |
this._initChildViewStorage(); |
| 2178 |
|
| 2179 |
Marionette.View.apply(this, arguments); |
| 2180 |
|
| 2181 |
this.on({ |
| 2182 |
'before:show': this._onBeforeShowCalled, |
| 2183 |
'show': this._onShowCalled, |
| 2184 |
'before:attach': this._onBeforeAttachCalled, |
| 2185 |
'attach': this._onAttachCalled |
| 2186 |
}); |
| 2187 |
this.initRenderBuffer(); |
| 2188 |
}, |
| 2189 |
|
| 2190 |
// Instead of inserting elements one by one into the page, |
| 2191 |
// it's much more performant to insert elements into a document |
| 2192 |
// fragment and then insert that document fragment into the page |
| 2193 |
initRenderBuffer: function() { |
| 2194 |
this._bufferedChildren = []; |
| 2195 |
}, |
| 2196 |
|
| 2197 |
startBuffering: function() { |
| 2198 |
this.initRenderBuffer(); |
| 2199 |
this.isBuffering = true; |
| 2200 |
}, |
| 2201 |
|
| 2202 |
endBuffering: function() { |
| 2203 |
// Only trigger attach if already shown and attached, otherwise Region#show() handles this. |
| 2204 |
var canTriggerAttach = this._isShown && Marionette.isNodeAttached(this.el); |
| 2205 |
var nestedViews; |
| 2206 |
|
| 2207 |
this.isBuffering = false; |
| 2208 |
|
| 2209 |
if (this._isShown) { |
| 2210 |
this._triggerMethodMany(this._bufferedChildren, this, 'before:show'); |
| 2211 |
} |
| 2212 |
if (canTriggerAttach && this._triggerBeforeAttach) { |
| 2213 |
nestedViews = this._getNestedViews(); |
| 2214 |
this._triggerMethodMany(nestedViews, this, 'before:attach'); |
| 2215 |
} |
| 2216 |
|
| 2217 |
this.attachBuffer(this, this._createBuffer()); |
| 2218 |
|
| 2219 |
if (canTriggerAttach && this._triggerAttach) { |
| 2220 |
nestedViews = this._getNestedViews(); |
| 2221 |
this._triggerMethodMany(nestedViews, this, 'attach'); |
| 2222 |
} |
| 2223 |
if (this._isShown) { |
| 2224 |
this._triggerMethodMany(this._bufferedChildren, this, 'show'); |
| 2225 |
} |
| 2226 |
this.initRenderBuffer(); |
| 2227 |
}, |
| 2228 |
|
| 2229 |
_triggerMethodMany: function(targets, source, eventName) { |
| 2230 |
var args = _.drop(arguments, 3); |
| 2231 |
|
| 2232 |
_.each(targets, function(target) { |
| 2233 |
Marionette.triggerMethodOn.apply(target, [target, eventName, target, source].concat(args)); |
| 2234 |
}); |
| 2235 |
}, |
| 2236 |
|
| 2237 |
// Configured the initial events that the collection view |
| 2238 |
// binds to. |
| 2239 |
_initialEvents: function() { |
| 2240 |
if (this.collection) { |
| 2241 |
this.listenTo(this.collection, 'add', this._onCollectionAdd); |
| 2242 |
this.listenTo(this.collection, 'remove', this._onCollectionRemove); |
| 2243 |
this.listenTo(this.collection, 'reset', this.render); |
| 2244 |
|
| 2245 |
if (this.getOption('sort')) { |
| 2246 |
this.listenTo(this.collection, 'sort', this._sortViews); |
| 2247 |
} |
| 2248 |
} |
| 2249 |
}, |
| 2250 |
|
| 2251 |
// Handle a child added to the collection |
| 2252 |
_onCollectionAdd: function(child, collection, opts) { |
| 2253 |
// `index` is present when adding with `at` since BB 1.2; indexOf fallback for < 1.2 |
| 2254 |
var index = opts.at !== undefined && (opts.index || collection.indexOf(child)); |
| 2255 |
|
| 2256 |
// When filtered or when there is no initial index, calculate index. |
| 2257 |
if (this.getOption('filter') || index === false) { |
| 2258 |
index = _.indexOf(this._filteredSortedModels(index), child); |
| 2259 |
} |
| 2260 |
|
| 2261 |
if (this._shouldAddChild(child, index)) { |
| 2262 |
this.destroyEmptyView(); |
| 2263 |
var ChildView = this.getChildView(child); |
| 2264 |
this.addChild(child, ChildView, index); |
| 2265 |
} |
| 2266 |
}, |
| 2267 |
|
| 2268 |
// get the child view by model it holds, and remove it |
| 2269 |
_onCollectionRemove: function(model) { |
| 2270 |
var view = this.children.findByModel(model); |
| 2271 |
this.removeChildView(view); |
| 2272 |
this.checkEmpty(); |
| 2273 |
}, |
| 2274 |
|
| 2275 |
_onBeforeShowCalled: function() { |
| 2276 |
// Reset attach event flags at the top of the Region#show() event lifecycle; if the Region's |
| 2277 |
// show() options permit onBeforeAttach/onAttach events, these flags will be set true again. |
| 2278 |
this._triggerBeforeAttach = this._triggerAttach = false; |
| 2279 |
this.children.each(function(childView) { |
| 2280 |
Marionette.triggerMethodOn(childView, 'before:show', childView); |
| 2281 |
}); |
| 2282 |
}, |
| 2283 |
|
| 2284 |
_onShowCalled: function() { |
| 2285 |
this.children.each(function(childView) { |
| 2286 |
Marionette.triggerMethodOn(childView, 'show', childView); |
| 2287 |
}); |
| 2288 |
}, |
| 2289 |
|
| 2290 |
// If during Region#show() onBeforeAttach was fired, continue firing it for child views |
| 2291 |
_onBeforeAttachCalled: function() { |
| 2292 |
this._triggerBeforeAttach = true; |
| 2293 |
}, |
| 2294 |
|
| 2295 |
// If during Region#show() onAttach was fired, continue firing it for child views |
| 2296 |
_onAttachCalled: function() { |
| 2297 |
this._triggerAttach = true; |
| 2298 |
}, |
| 2299 |
|
| 2300 |
// Render children views. Override this method to |
| 2301 |
// provide your own implementation of a render function for |
| 2302 |
// the collection view. |
| 2303 |
render: function() { |
| 2304 |
this._ensureViewIsIntact(); |
| 2305 |
this.triggerMethod('before:render', this); |
| 2306 |
this._renderChildren(); |
| 2307 |
this.isRendered = true; |
| 2308 |
this.triggerMethod('render', this); |
| 2309 |
return this; |
| 2310 |
}, |
| 2311 |
|
| 2312 |
// Reorder DOM after sorting. When your element's rendering |
| 2313 |
// do not use their index, you can pass reorderOnSort: true |
| 2314 |
// to only reorder the DOM after a sort instead of rendering |
| 2315 |
// all the collectionView |
| 2316 |
reorder: function() { |
| 2317 |
var children = this.children; |
| 2318 |
var models = this._filteredSortedModels(); |
| 2319 |
var anyModelsAdded = _.some(models, function(model) { |
| 2320 |
return !children.findByModel(model); |
| 2321 |
}); |
| 2322 |
|
| 2323 |
// If there are any new models added due to filtering |
| 2324 |
// We need to add child views |
| 2325 |
// So render as normal |
| 2326 |
if (anyModelsAdded) { |
| 2327 |
this.render(); |
| 2328 |
} else { |
| 2329 |
// get the DOM nodes in the same order as the models |
| 2330 |
var elsToReorder = _.map(models, function(model, index) { |
| 2331 |
var view = children.findByModel(model); |
| 2332 |
view._index = index; |
| 2333 |
return view.el; |
| 2334 |
}); |
| 2335 |
|
| 2336 |
// find the views that were children before but arent in this new ordering |
| 2337 |
var filteredOutViews = children.filter(function(view) { |
| 2338 |
return !_.contains(elsToReorder, view.el); |
| 2339 |
}); |
| 2340 |
|
| 2341 |
this.triggerMethod('before:reorder'); |
| 2342 |
|
| 2343 |
// since append moves elements that are already in the DOM, |
| 2344 |
// appending the elements will effectively reorder them |
| 2345 |
this._appendReorderedChildren(elsToReorder); |
| 2346 |
|
| 2347 |
// remove any views that have been filtered out |
| 2348 |
_.each(filteredOutViews, this.removeChildView, this); |
| 2349 |
this.checkEmpty(); |
| 2350 |
|
| 2351 |
this.triggerMethod('reorder'); |
| 2352 |
} |
| 2353 |
}, |
| 2354 |
|
| 2355 |
// Render view after sorting. Override this method to |
| 2356 |
// change how the view renders after a `sort` on the collection. |
| 2357 |
// An example of this would be to only `renderChildren` in a `CompositeView` |
| 2358 |
// rather than the full view. |
| 2359 |
resortView: function() { |
| 2360 |
if (Marionette.getOption(this, 'reorderOnSort')) { |
| 2361 |
this.reorder(); |
| 2362 |
} else { |
| 2363 |
this.render(); |
| 2364 |
} |
| 2365 |
}, |
| 2366 |
|
| 2367 |
// Internal method. This checks for any changes in the order of the collection. |
| 2368 |
// If the index of any view doesn't match, it will render. |
| 2369 |
_sortViews: function() { |
| 2370 |
var models = this._filteredSortedModels(); |
| 2371 |
|
| 2372 |
// check for any changes in sort order of views |
| 2373 |
var orderChanged = _.find(models, function(item, index) { |
| 2374 |
var view = this.children.findByModel(item); |
| 2375 |
return !view || view._index !== index; |
| 2376 |
}, this); |
| 2377 |
|
| 2378 |
if (orderChanged) { |
| 2379 |
this.resortView(); |
| 2380 |
} |
| 2381 |
}, |
| 2382 |
|
| 2383 |
// Internal reference to what index a `emptyView` is. |
| 2384 |
_emptyViewIndex: -1, |
| 2385 |
|
| 2386 |
// Internal method. Separated so that CompositeView can append to the childViewContainer |
| 2387 |
// if necessary |
| 2388 |
_appendReorderedChildren: function(children) { |
| 2389 |
this.$el.append(children); |
| 2390 |
}, |
| 2391 |
|
| 2392 |
// Internal method. Separated so that CompositeView can have |
| 2393 |
// more control over events being triggered, around the rendering |
| 2394 |
// process |
| 2395 |
_renderChildren: function() { |
| 2396 |
this.destroyEmptyView(); |
| 2397 |
this.destroyChildren({checkEmpty: false}); |
| 2398 |
|
| 2399 |
if (this.isEmpty(this.collection)) { |
| 2400 |
this.showEmptyView(); |
| 2401 |
} else { |
| 2402 |
this.triggerMethod('before:render:collection', this); |
| 2403 |
this.startBuffering(); |
| 2404 |
this.showCollection(); |
| 2405 |
this.endBuffering(); |
| 2406 |
this.triggerMethod('render:collection', this); |
| 2407 |
|
| 2408 |
// If we have shown children and none have passed the filter, show the empty view |
| 2409 |
if (this.children.isEmpty() && this.getOption('filter')) { |
| 2410 |
this.showEmptyView(); |
| 2411 |
} |
| 2412 |
} |
| 2413 |
}, |
| 2414 |
|
| 2415 |
// Internal method to loop through collection and show each child view. |
| 2416 |
showCollection: function() { |
| 2417 |
var ChildView; |
| 2418 |
|
| 2419 |
var models = this._filteredSortedModels(); |
| 2420 |
|
| 2421 |
_.each(models, function(child, index) { |
| 2422 |
ChildView = this.getChildView(child); |
| 2423 |
this.addChild(child, ChildView, index); |
| 2424 |
}, this); |
| 2425 |
}, |
| 2426 |
|
| 2427 |
// Allow the collection to be sorted by a custom view comparator |
| 2428 |
_filteredSortedModels: function(addedAt) { |
| 2429 |
var viewComparator = this.getViewComparator(); |
| 2430 |
var models = this.collection.models; |
| 2431 |
addedAt = Math.min(Math.max(addedAt, 0), models.length - 1); |
| 2432 |
|
| 2433 |
if (viewComparator) { |
| 2434 |
var addedModel; |
| 2435 |
// Preserve `at` location, even for a sorted view |
| 2436 |
if (addedAt) { |
| 2437 |
addedModel = models[addedAt]; |
| 2438 |
models = models.slice(0, addedAt).concat(models.slice(addedAt + 1)); |
| 2439 |
} |
| 2440 |
models = this._sortModelsBy(models, viewComparator); |
| 2441 |
if (addedModel) { |
| 2442 |
models.splice(addedAt, 0, addedModel); |
| 2443 |
} |
| 2444 |
} |
| 2445 |
|
| 2446 |
// Filter after sorting in case the filter uses the index |
| 2447 |
if (this.getOption('filter')) { |
| 2448 |
models = _.filter(models, function(model, index) { |
| 2449 |
return this._shouldAddChild(model, index); |
| 2450 |
}, this); |
| 2451 |
} |
| 2452 |
|
| 2453 |
return models; |
| 2454 |
}, |
| 2455 |
|
| 2456 |
_sortModelsBy: function(models, comparator) { |
| 2457 |
if (typeof comparator === 'string') { |
| 2458 |
return _.sortBy(models, function(model) { |
| 2459 |
return model.get(comparator); |
| 2460 |
}, this); |
| 2461 |
} else if (comparator.length === 1) { |
| 2462 |
return _.sortBy(models, comparator, this); |
| 2463 |
} else { |
| 2464 |
return models.sort(_.bind(comparator, this)); |
| 2465 |
} |
| 2466 |
}, |
| 2467 |
|
| 2468 |
// Internal method to show an empty view in place of |
| 2469 |
// a collection of child views, when the collection is empty |
| 2470 |
showEmptyView: function() { |
| 2471 |
var EmptyView = this.getEmptyView(); |
| 2472 |
|
| 2473 |
if (EmptyView && !this._showingEmptyView) { |
| 2474 |
this.triggerMethod('before:render:empty'); |
| 2475 |
|
| 2476 |
this._showingEmptyView = true; |
| 2477 |
var model = new Backbone.Model(); |
| 2478 |
this.addEmptyView(model, EmptyView); |
| 2479 |
|
| 2480 |
this.triggerMethod('render:empty'); |
| 2481 |
} |
| 2482 |
}, |
| 2483 |
|
| 2484 |
// Internal method to destroy an existing emptyView instance |
| 2485 |
// if one exists. Called when a collection view has been |
| 2486 |
// rendered empty, and then a child is added to the collection. |
| 2487 |
destroyEmptyView: function() { |
| 2488 |
if (this._showingEmptyView) { |
| 2489 |
this.triggerMethod('before:remove:empty'); |
| 2490 |
|
| 2491 |
this.destroyChildren(); |
| 2492 |
delete this._showingEmptyView; |
| 2493 |
|
| 2494 |
this.triggerMethod('remove:empty'); |
| 2495 |
} |
| 2496 |
}, |
| 2497 |
|
| 2498 |
// Retrieve the empty view class |
| 2499 |
getEmptyView: function() { |
| 2500 |
return this.getOption('emptyView'); |
| 2501 |
}, |
| 2502 |
|
| 2503 |
// Render and show the emptyView. Similar to addChild method |
| 2504 |
// but "add:child" events are not fired, and the event from |
| 2505 |
// emptyView are not forwarded |
| 2506 |
addEmptyView: function(child, EmptyView) { |
| 2507 |
// Only trigger attach if already shown, attached, and not buffering, otherwise endBuffer() or |
| 2508 |
// Region#show() handles this. |
| 2509 |
var canTriggerAttach = this._isShown && !this.isBuffering && Marionette.isNodeAttached(this.el); |
| 2510 |
var nestedViews; |
| 2511 |
|
| 2512 |
// get the emptyViewOptions, falling back to childViewOptions |
| 2513 |
var emptyViewOptions = this.getOption('emptyViewOptions') || |
| 2514 |
this.getOption('childViewOptions'); |
| 2515 |
|
| 2516 |
if (_.isFunction(emptyViewOptions)) { |
| 2517 |
emptyViewOptions = emptyViewOptions.call(this, child, this._emptyViewIndex); |
| 2518 |
} |
| 2519 |
|
| 2520 |
// build the empty view |
| 2521 |
var view = this.buildChildView(child, EmptyView, emptyViewOptions); |
| 2522 |
|
| 2523 |
view._parent = this; |
| 2524 |
|
| 2525 |
// Proxy emptyView events |
| 2526 |
this.proxyChildEvents(view); |
| 2527 |
|
| 2528 |
view.once('render', function() { |
| 2529 |
// trigger the 'before:show' event on `view` if the collection view has already been shown |
| 2530 |
if (this._isShown) { |
| 2531 |
Marionette.triggerMethodOn(view, 'before:show', view); |
| 2532 |
} |
| 2533 |
|
| 2534 |
// Trigger `before:attach` following `render` to avoid adding logic and event triggers |
| 2535 |
// to public method `renderChildView()`. |
| 2536 |
if (canTriggerAttach && this._triggerBeforeAttach) { |
| 2537 |
nestedViews = this._getViewAndNested(view); |
| 2538 |
this._triggerMethodMany(nestedViews, this, 'before:attach'); |
| 2539 |
} |
| 2540 |
}, this); |
| 2541 |
|
| 2542 |
// Store the `emptyView` like a `childView` so we can properly remove and/or close it later |
| 2543 |
this.children.add(view); |
| 2544 |
this.renderChildView(view, this._emptyViewIndex); |
| 2545 |
|
| 2546 |
// Trigger `attach` |
| 2547 |
if (canTriggerAttach && this._triggerAttach) { |
| 2548 |
nestedViews = this._getViewAndNested(view); |
| 2549 |
this._triggerMethodMany(nestedViews, this, 'attach'); |
| 2550 |
} |
| 2551 |
// call the 'show' method if the collection view has already been shown |
| 2552 |
if (this._isShown) { |
| 2553 |
Marionette.triggerMethodOn(view, 'show', view); |
| 2554 |
} |
| 2555 |
}, |
| 2556 |
|
| 2557 |
// Retrieve the `childView` class, either from `this.options.childView` |
| 2558 |
// or from the `childView` in the object definition. The "options" |
| 2559 |
// takes precedence. |
| 2560 |
// This method receives the model that will be passed to the instance |
| 2561 |
// created from this `childView`. Overriding methods may use the child |
| 2562 |
// to determine what `childView` class to return. |
| 2563 |
getChildView: function(child) { |
| 2564 |
var childView = this.getOption('childView'); |
| 2565 |
|
| 2566 |
if (!childView) { |
| 2567 |
throw new Marionette.Error({ |
| 2568 |
name: 'NoChildViewError', |
| 2569 |
message: 'A "childView" must be specified' |
| 2570 |
}); |
| 2571 |
} |
| 2572 |
|
| 2573 |
return childView; |
| 2574 |
}, |
| 2575 |
|
| 2576 |
// Render the child's view and add it to the |
| 2577 |
// HTML for the collection view at a given index. |
| 2578 |
// This will also update the indices of later views in the collection |
| 2579 |
// in order to keep the children in sync with the collection. |
| 2580 |
addChild: function(child, ChildView, index) { |
| 2581 |
var childViewOptions = this.getOption('childViewOptions'); |
| 2582 |
childViewOptions = Marionette._getValue(childViewOptions, this, [child, index]); |
| 2583 |
|
| 2584 |
var view = this.buildChildView(child, ChildView, childViewOptions); |
| 2585 |
|
| 2586 |
// increment indices of views after this one |
| 2587 |
this._updateIndices(view, true, index); |
| 2588 |
|
| 2589 |
this.triggerMethod('before:add:child', view); |
| 2590 |
this._addChildView(view, index); |
| 2591 |
this.triggerMethod('add:child', view); |
| 2592 |
|
| 2593 |
view._parent = this; |
| 2594 |
|
| 2595 |
return view; |
| 2596 |
}, |
| 2597 |
|
| 2598 |
// Internal method. This decrements or increments the indices of views after the |
| 2599 |
// added/removed view to keep in sync with the collection. |
| 2600 |
_updateIndices: function(view, increment, index) { |
| 2601 |
if (!this.getOption('sort')) { |
| 2602 |
return; |
| 2603 |
} |
| 2604 |
|
| 2605 |
if (increment) { |
| 2606 |
// assign the index to the view |
| 2607 |
view._index = index; |
| 2608 |
} |
| 2609 |
|
| 2610 |
// update the indexes of views after this one |
| 2611 |
this.children.each(function(laterView) { |
| 2612 |
if (laterView._index >= view._index) { |
| 2613 |
laterView._index += increment ? 1 : -1; |
| 2614 |
} |
| 2615 |
}); |
| 2616 |
}, |
| 2617 |
|
| 2618 |
// Internal Method. Add the view to children and render it at |
| 2619 |
// the given index. |
| 2620 |
_addChildView: function(view, index) { |
| 2621 |
// Only trigger attach if already shown, attached, and not buffering, otherwise endBuffer() or |
| 2622 |
// Region#show() handles this. |
| 2623 |
var canTriggerAttach = this._isShown && !this.isBuffering && Marionette.isNodeAttached(this.el); |
| 2624 |
var nestedViews; |
| 2625 |
|
| 2626 |
// set up the child view event forwarding |
| 2627 |
this.proxyChildEvents(view); |
| 2628 |
|
| 2629 |
view.once('render', function() { |
| 2630 |
// trigger the 'before:show' event on `view` if the collection view has already been shown |
| 2631 |
if (this._isShown && !this.isBuffering) { |
| 2632 |
Marionette.triggerMethodOn(view, 'before:show', view); |
| 2633 |
} |
| 2634 |
|
| 2635 |
// Trigger `before:attach` following `render` to avoid adding logic and event triggers |
| 2636 |
// to public method `renderChildView()`. |
| 2637 |
if (canTriggerAttach && this._triggerBeforeAttach) { |
| 2638 |
nestedViews = this._getViewAndNested(view); |
| 2639 |
this._triggerMethodMany(nestedViews, this, 'before:attach'); |
| 2640 |
} |
| 2641 |
}, this); |
| 2642 |
|
| 2643 |
// Store the child view itself so we can properly remove and/or destroy it later |
| 2644 |
this.children.add(view); |
| 2645 |
this.renderChildView(view, index); |
| 2646 |
|
| 2647 |
// Trigger `attach` |
| 2648 |
if (canTriggerAttach && this._triggerAttach) { |
| 2649 |
nestedViews = this._getViewAndNested(view); |
| 2650 |
this._triggerMethodMany(nestedViews, this, 'attach'); |
| 2651 |
} |
| 2652 |
// Trigger `show` |
| 2653 |
if (this._isShown && !this.isBuffering) { |
| 2654 |
Marionette.triggerMethodOn(view, 'show', view); |
| 2655 |
} |
| 2656 |
}, |
| 2657 |
|
| 2658 |
// render the child view |
| 2659 |
renderChildView: function(view, index) { |
| 2660 |
if (!view.supportsRenderLifecycle) { |
| 2661 |
Marionette.triggerMethodOn(view, 'before:render', view); |
| 2662 |
} |
| 2663 |
view.render(); |
| 2664 |
if (!view.supportsRenderLifecycle) { |
| 2665 |
Marionette.triggerMethodOn(view, 'render', view); |
| 2666 |
} |
| 2667 |
this.attachHtml(this, view, index); |
| 2668 |
return view; |
| 2669 |
}, |
| 2670 |
|
| 2671 |
// Build a `childView` for a model in the collection. |
| 2672 |
buildChildView: function(child, ChildViewClass, childViewOptions) { |
| 2673 |
var options = _.extend({model: child}, childViewOptions); |
| 2674 |
var childView = new ChildViewClass(options); |
| 2675 |
Marionette.MonitorDOMRefresh(childView); |
| 2676 |
return childView; |
| 2677 |
}, |
| 2678 |
|
| 2679 |
// Remove the child view and destroy it. |
| 2680 |
// This function also updates the indices of |
| 2681 |
// later views in the collection in order to keep |
| 2682 |
// the children in sync with the collection. |
| 2683 |
removeChildView: function(view) { |
| 2684 |
if (!view) { return view; } |
| 2685 |
|
| 2686 |
this.triggerMethod('before:remove:child', view); |
| 2687 |
|
| 2688 |
if (!view.supportsDestroyLifecycle) { |
| 2689 |
Marionette.triggerMethodOn(view, 'before:destroy', view); |
| 2690 |
} |
| 2691 |
// call 'destroy' or 'remove', depending on which is found |
| 2692 |
if (view.destroy) { |
| 2693 |
view.destroy(); |
| 2694 |
} else { |
| 2695 |
view.remove(); |
| 2696 |
} |
| 2697 |
if (!view.supportsDestroyLifecycle) { |
| 2698 |
Marionette.triggerMethodOn(view, 'destroy', view); |
| 2699 |
} |
| 2700 |
|
| 2701 |
delete view._parent; |
| 2702 |
this.stopListening(view); |
| 2703 |
this.children.remove(view); |
| 2704 |
this.triggerMethod('remove:child', view); |
| 2705 |
|
| 2706 |
// decrement the index of views after this one |
| 2707 |
this._updateIndices(view, false); |
| 2708 |
|
| 2709 |
return view; |
| 2710 |
}, |
| 2711 |
|
| 2712 |
// check if the collection is empty |
| 2713 |
isEmpty: function() { |
| 2714 |
return !this.collection || this.collection.length === 0; |
| 2715 |
}, |
| 2716 |
|
| 2717 |
// If empty, show the empty view |
| 2718 |
checkEmpty: function() { |
| 2719 |
if (this.isEmpty(this.collection)) { |
| 2720 |
this.showEmptyView(); |
| 2721 |
} |
| 2722 |
}, |
| 2723 |
|
| 2724 |
// You might need to override this if you've overridden attachHtml |
| 2725 |
attachBuffer: function(collectionView, buffer) { |
| 2726 |
collectionView.$el.append(buffer); |
| 2727 |
}, |
| 2728 |
|
| 2729 |
// Create a fragment buffer from the currently buffered children |
| 2730 |
_createBuffer: function() { |
| 2731 |
var elBuffer = document.createDocumentFragment(); |
| 2732 |
_.each(this._bufferedChildren, function(b) { |
| 2733 |
elBuffer.appendChild(b.el); |
| 2734 |
}); |
| 2735 |
return elBuffer; |
| 2736 |
}, |
| 2737 |
|
| 2738 |
// Append the HTML to the collection's `el`. |
| 2739 |
// Override this method to do something other |
| 2740 |
// than `.append`. |
| 2741 |
attachHtml: function(collectionView, childView, index) { |
| 2742 |
if (collectionView.isBuffering) { |
| 2743 |
// buffering happens on reset events and initial renders |
| 2744 |
// in order to reduce the number of inserts into the |
| 2745 |
// document, which are expensive. |
| 2746 |
collectionView._bufferedChildren.splice(index, 0, childView); |
| 2747 |
} else { |
| 2748 |
// If we've already rendered the main collection, append |
| 2749 |
// the new child into the correct order if we need to. Otherwise |
| 2750 |
// append to the end. |
| 2751 |
if (!collectionView._insertBefore(childView, index)) { |
| 2752 |
collectionView._insertAfter(childView); |
| 2753 |
} |
| 2754 |
} |
| 2755 |
}, |
| 2756 |
|
| 2757 |
// Internal method. Check whether we need to insert the view into |
| 2758 |
// the correct position. |
| 2759 |
_insertBefore: function(childView, index) { |
| 2760 |
var currentView; |
| 2761 |
var findPosition = this.getOption('sort') && (index < this.children.length - 1); |
| 2762 |
if (findPosition) { |
| 2763 |
// Find the view after this one |
| 2764 |
currentView = this.children.find(function(view) { |
| 2765 |
return view._index === index + 1; |
| 2766 |
}); |
| 2767 |
} |
| 2768 |
|
| 2769 |
if (currentView) { |
| 2770 |
currentView.$el.before(childView.el); |
| 2771 |
return true; |
| 2772 |
} |
| 2773 |
|
| 2774 |
return false; |
| 2775 |
}, |
| 2776 |
|
| 2777 |
// Internal method. Append a view to the end of the $el |
| 2778 |
_insertAfter: function(childView) { |
| 2779 |
this.$el.append(childView.el); |
| 2780 |
}, |
| 2781 |
|
| 2782 |
// Internal method to set up the `children` object for |
| 2783 |
// storing all of the child views |
| 2784 |
_initChildViewStorage: function() { |
| 2785 |
this.children = new Backbone.ChildViewContainer(); |
| 2786 |
}, |
| 2787 |
|
| 2788 |
// Handle cleanup and other destroying needs for the collection of views |
| 2789 |
destroy: function() { |
| 2790 |
if (this.isDestroyed) { return this; } |
| 2791 |
|
| 2792 |
this.triggerMethod('before:destroy:collection'); |
| 2793 |
this.destroyChildren({checkEmpty: false}); |
| 2794 |
this.triggerMethod('destroy:collection'); |
| 2795 |
|
| 2796 |
return Marionette.View.prototype.destroy.apply(this, arguments); |
| 2797 |
}, |
| 2798 |
|
| 2799 |
// Destroy the child views that this collection view |
| 2800 |
// is holding on to, if any |
| 2801 |
destroyChildren: function(options) { |
| 2802 |
var destroyOptions = options || {}; |
| 2803 |
var shouldCheckEmpty = true; |
| 2804 |
var childViews = this.children.map(_.identity); |
| 2805 |
|
| 2806 |
if (!_.isUndefined(destroyOptions.checkEmpty)) { |
| 2807 |
shouldCheckEmpty = destroyOptions.checkEmpty; |
| 2808 |
} |
| 2809 |
|
| 2810 |
this.children.each(this.removeChildView, this); |
| 2811 |
|
| 2812 |
if (shouldCheckEmpty) { |
| 2813 |
this.checkEmpty(); |
| 2814 |
} |
| 2815 |
return childViews; |
| 2816 |
}, |
| 2817 |
|
| 2818 |
// Return true if the given child should be shown |
| 2819 |
// Return false otherwise |
| 2820 |
// The filter will be passed (child, index, collection) |
| 2821 |
// Where |
| 2822 |
// 'child' is the given model |
| 2823 |
// 'index' is the index of that model in the collection |
| 2824 |
// 'collection' is the collection referenced by this CollectionView |
| 2825 |
_shouldAddChild: function(child, index) { |
| 2826 |
var filter = this.getOption('filter'); |
| 2827 |
return !_.isFunction(filter) || filter.call(this, child, index, this.collection); |
| 2828 |
}, |
| 2829 |
|
| 2830 |
// Set up the child view event forwarding. Uses a "childview:" |
| 2831 |
// prefix in front of all forwarded events. |
| 2832 |
proxyChildEvents: function(view) { |
| 2833 |
var prefix = this.getOption('childViewEventPrefix'); |
| 2834 |
|
| 2835 |
// Forward all child view events through the parent, |
| 2836 |
// prepending "childview:" to the event name |
| 2837 |
this.listenTo(view, 'all', function() { |
| 2838 |
var args = _.toArray(arguments); |
| 2839 |
var rootEvent = args[0]; |
| 2840 |
var childEvents = this.normalizeMethods(_.result(this, 'childEvents')); |
| 2841 |
|
| 2842 |
args[0] = prefix + ':' + rootEvent; |
| 2843 |
args.splice(1, 0, view); |
| 2844 |
|
| 2845 |
// call collectionView childEvent if defined |
| 2846 |
if (typeof childEvents !== 'undefined' && _.isFunction(childEvents[rootEvent])) { |
| 2847 |
childEvents[rootEvent].apply(this, args.slice(1)); |
| 2848 |
} |
| 2849 |
|
| 2850 |
this.triggerMethod.apply(this, args); |
| 2851 |
}); |
| 2852 |
}, |
| 2853 |
|
| 2854 |
_getImmediateChildren: function() { |
| 2855 |
return _.values(this.children._views); |
| 2856 |
}, |
| 2857 |
|
| 2858 |
_getViewAndNested: function(view) { |
| 2859 |
// This will not fail on Backbone.View which does not have #_getNestedViews. |
| 2860 |
return [view].concat(_.result(view, '_getNestedViews') || []); |
| 2861 |
}, |
| 2862 |
|
| 2863 |
getViewComparator: function() { |
| 2864 |
return this.getOption('viewComparator'); |
| 2865 |
} |
| 2866 |
}); |
| 2867 |
|
| 2868 |
/* jshint maxstatements: 17, maxlen: 117 */ |
| 2869 |
|
| 2870 |
// Composite View |
| 2871 |
// -------------- |
| 2872 |
|
| 2873 |
// Used for rendering a branch-leaf, hierarchical structure. |
| 2874 |
// Extends directly from CollectionView and also renders an |
| 2875 |
// a child view as `modelView`, for the top leaf |
| 2876 |
Marionette.CompositeView = Marionette.CollectionView.extend({ |
| 2877 |
|
| 2878 |
// Setting up the inheritance chain which allows changes to |
| 2879 |
// Marionette.CollectionView.prototype.constructor which allows overriding |
| 2880 |
// option to pass '{sort: false}' to prevent the CompositeView from |
| 2881 |
// maintaining the sorted order of the collection. |
| 2882 |
// This will fallback onto appending childView's to the end. |
| 2883 |
constructor: function() { |
| 2884 |
Marionette.CollectionView.apply(this, arguments); |
| 2885 |
}, |
| 2886 |
|
| 2887 |
// Configured the initial events that the composite view |
| 2888 |
// binds to. Override this method to prevent the initial |
| 2889 |
// events, or to add your own initial events. |
| 2890 |
_initialEvents: function() { |
| 2891 |
|
| 2892 |
// Bind only after composite view is rendered to avoid adding child views |
| 2893 |
// to nonexistent childViewContainer |
| 2894 |
|
| 2895 |
if (this.collection) { |
| 2896 |
this.listenTo(this.collection, 'add', this._onCollectionAdd); |
| 2897 |
this.listenTo(this.collection, 'remove', this._onCollectionRemove); |
| 2898 |
this.listenTo(this.collection, 'reset', this._renderChildren); |
| 2899 |
|
| 2900 |
if (this.getOption('sort')) { |
| 2901 |
this.listenTo(this.collection, 'sort', this._sortViews); |
| 2902 |
} |
| 2903 |
} |
| 2904 |
}, |
| 2905 |
|
| 2906 |
// Retrieve the `childView` to be used when rendering each of |
| 2907 |
// the items in the collection. The default is to return |
| 2908 |
// `this.childView` or Marionette.CompositeView if no `childView` |
| 2909 |
// has been defined |
| 2910 |
getChildView: function(child) { |
| 2911 |
var childView = this.getOption('childView') || this.constructor; |
| 2912 |
|
| 2913 |
return childView; |
| 2914 |
}, |
| 2915 |
|
| 2916 |
// Serialize the model for the view. |
| 2917 |
// You can override the `serializeData` method in your own view |
| 2918 |
// definition, to provide custom serialization for your view's data. |
| 2919 |
serializeData: function() { |
| 2920 |
var data = {}; |
| 2921 |
|
| 2922 |
if (this.model) { |
| 2923 |
data = _.partial(this.serializeModel, this.model).apply(this, arguments); |
| 2924 |
} |
| 2925 |
|
| 2926 |
return data; |
| 2927 |
}, |
| 2928 |
|
| 2929 |
// Renders the model and the collection. |
| 2930 |
render: function() { |
| 2931 |
this._ensureViewIsIntact(); |
| 2932 |
this._isRendering = true; |
| 2933 |
this.resetChildViewContainer(); |
| 2934 |
|
| 2935 |
this.triggerMethod('before:render', this); |
| 2936 |
|
| 2937 |
this._renderTemplate(); |
| 2938 |
this._renderChildren(); |
| 2939 |
|
| 2940 |
this._isRendering = false; |
| 2941 |
this.isRendered = true; |
| 2942 |
this.triggerMethod('render', this); |
| 2943 |
return this; |
| 2944 |
}, |
| 2945 |
|
| 2946 |
_renderChildren: function() { |
| 2947 |
if (this.isRendered || this._isRendering) { |
| 2948 |
Marionette.CollectionView.prototype._renderChildren.call(this); |
| 2949 |
} |
| 2950 |
}, |
| 2951 |
|
| 2952 |
// Render the root template that the children |
| 2953 |
// views are appended to |
| 2954 |
_renderTemplate: function() { |
| 2955 |
var data = {}; |
| 2956 |
data = this.serializeData(); |
| 2957 |
data = this.mixinTemplateHelpers(data); |
| 2958 |
|
| 2959 |
this.triggerMethod('before:render:template'); |
| 2960 |
|
| 2961 |
var template = this.getTemplate(); |
| 2962 |
var html = Marionette.Renderer.render(template, data, this); |
| 2963 |
this.attachElContent(html); |
| 2964 |
|
| 2965 |
// the ui bindings is done here and not at the end of render since they |
| 2966 |
// will not be available until after the model is rendered, but should be |
| 2967 |
// available before the collection is rendered. |
| 2968 |
this.bindUIElements(); |
| 2969 |
this.triggerMethod('render:template'); |
| 2970 |
}, |
| 2971 |
|
| 2972 |
// Attaches the content of the root. |
| 2973 |
// This method can be overridden to optimize rendering, |
| 2974 |
// or to render in a non standard way. |
| 2975 |
// |
| 2976 |
// For example, using `innerHTML` instead of `$el.html` |
| 2977 |
// |
| 2978 |
// ```js |
| 2979 |
// attachElContent: function(html) { |
| 2980 |
// this.el.innerHTML = html; |
| 2981 |
// return this; |
| 2982 |
// } |
| 2983 |
// ``` |
| 2984 |
attachElContent: function(html) { |
| 2985 |
this.$el.html(html); |
| 2986 |
|
| 2987 |
return this; |
| 2988 |
}, |
| 2989 |
|
| 2990 |
// You might need to override this if you've overridden attachHtml |
| 2991 |
attachBuffer: function(compositeView, buffer) { |
| 2992 |
var $container = this.getChildViewContainer(compositeView); |
| 2993 |
$container.append(buffer); |
| 2994 |
}, |
| 2995 |
|
| 2996 |
// Internal method. Append a view to the end of the $el. |
| 2997 |
// Overidden from CollectionView to ensure view is appended to |
| 2998 |
// childViewContainer |
| 2999 |
_insertAfter: function(childView) { |
| 3000 |
var $container = this.getChildViewContainer(this, childView); |
| 3001 |
$container.append(childView.el); |
| 3002 |
}, |
| 3003 |
|
| 3004 |
// Internal method. Append reordered childView'. |
| 3005 |
// Overidden from CollectionView to ensure reordered views |
| 3006 |
// are appended to childViewContainer |
| 3007 |
_appendReorderedChildren: function(children) { |
| 3008 |
var $container = this.getChildViewContainer(this); |
| 3009 |
$container.append(children); |
| 3010 |
}, |
| 3011 |
|
| 3012 |
// Internal method to ensure an `$childViewContainer` exists, for the |
| 3013 |
// `attachHtml` method to use. |
| 3014 |
getChildViewContainer: function(containerView, childView) { |
| 3015 |
if (!!containerView.$childViewContainer) { |
| 3016 |
return containerView.$childViewContainer; |
| 3017 |
} |
| 3018 |
|
| 3019 |
var container; |
| 3020 |
var childViewContainer = Marionette.getOption(containerView, 'childViewContainer'); |
| 3021 |
if (childViewContainer) { |
| 3022 |
|
| 3023 |
var selector = Marionette._getValue(childViewContainer, containerView); |
| 3024 |
|
| 3025 |
if (selector.charAt(0) === '@' && containerView.ui) { |
| 3026 |
container = containerView.ui[selector.substr(4)]; |
| 3027 |
} else { |
| 3028 |
container = containerView.$(selector); |
| 3029 |
} |
| 3030 |
|
| 3031 |
if (container.length <= 0) { |
| 3032 |
throw new Marionette.Error({ |
| 3033 |
name: 'ChildViewContainerMissingError', |
| 3034 |
message: 'The specified "childViewContainer" was not found: ' + containerView.childViewContainer |
| 3035 |
}); |
| 3036 |
} |
| 3037 |
|
| 3038 |
} else { |
| 3039 |
container = containerView.$el; |
| 3040 |
} |
| 3041 |
|
| 3042 |
containerView.$childViewContainer = container; |
| 3043 |
return container; |
| 3044 |
}, |
| 3045 |
|
| 3046 |
// Internal method to reset the `$childViewContainer` on render |
| 3047 |
resetChildViewContainer: function() { |
| 3048 |
if (this.$childViewContainer) { |
| 3049 |
this.$childViewContainer = undefined; |
| 3050 |
} |
| 3051 |
} |
| 3052 |
}); |
| 3053 |
|
| 3054 |
// Layout View |
| 3055 |
// ----------- |
| 3056 |
|
| 3057 |
// Used for managing application layoutViews, nested layoutViews and |
| 3058 |
// multiple regions within an application or sub-application. |
| 3059 |
// |
| 3060 |
// A specialized view class that renders an area of HTML and then |
| 3061 |
// attaches `Region` instances to the specified `regions`. |
| 3062 |
// Used for composite view management and sub-application areas. |
| 3063 |
Marionette.LayoutView = Marionette.ItemView.extend({ |
| 3064 |
regionClass: Marionette.Region, |
| 3065 |
|
| 3066 |
options: { |
| 3067 |
destroyImmediate: false |
| 3068 |
}, |
| 3069 |
|
| 3070 |
// used as the prefix for child view events |
| 3071 |
// that are forwarded through the layoutview |
| 3072 |
childViewEventPrefix: 'childview', |
| 3073 |
|
| 3074 |
// Ensure the regions are available when the `initialize` method |
| 3075 |
// is called. |
| 3076 |
constructor: function(options) { |
| 3077 |
options = options || {}; |
| 3078 |
|
| 3079 |
this._firstRender = true; |
| 3080 |
this._initializeRegions(options); |
| 3081 |
|
| 3082 |
Marionette.ItemView.call(this, options); |
| 3083 |
}, |
| 3084 |
|
| 3085 |
// LayoutView's render will use the existing region objects the |
| 3086 |
// first time it is called. Subsequent calls will destroy the |
| 3087 |
// views that the regions are showing and then reset the `el` |
| 3088 |
// for the regions to the newly rendered DOM elements. |
| 3089 |
render: function() { |
| 3090 |
this._ensureViewIsIntact(); |
| 3091 |
|
| 3092 |
if (this._firstRender) { |
| 3093 |
// if this is the first render, don't do anything to |
| 3094 |
// reset the regions |
| 3095 |
this._firstRender = false; |
| 3096 |
} else { |
| 3097 |
// If this is not the first render call, then we need to |
| 3098 |
// re-initialize the `el` for each region |
| 3099 |
this._reInitializeRegions(); |
| 3100 |
} |
| 3101 |
|
| 3102 |
return Marionette.ItemView.prototype.render.apply(this, arguments); |
| 3103 |
}, |
| 3104 |
|
| 3105 |
// Handle destroying regions, and then destroy the view itself. |
| 3106 |
destroy: function() { |
| 3107 |
if (this.isDestroyed) { return this; } |
| 3108 |
// #2134: remove parent element before destroying the child views, so |
| 3109 |
// removing the child views doesn't retrigger repaints |
| 3110 |
if (this.getOption('destroyImmediate') === true) { |
| 3111 |
this.$el.remove(); |
| 3112 |
} |
| 3113 |
this.regionManager.destroy(); |
| 3114 |
return Marionette.ItemView.prototype.destroy.apply(this, arguments); |
| 3115 |
}, |
| 3116 |
|
| 3117 |
showChildView: function(regionName, view, options) { |
| 3118 |
var region = this.getRegion(regionName); |
| 3119 |
return region.show.apply(region, _.rest(arguments)); |
| 3120 |
}, |
| 3121 |
|
| 3122 |
getChildView: function(regionName) { |
| 3123 |
return this.getRegion(regionName).currentView; |
| 3124 |
}, |
| 3125 |
|
| 3126 |
// Add a single region, by name, to the layoutView |
| 3127 |
addRegion: function(name, definition) { |
| 3128 |
var regions = {}; |
| 3129 |
regions[name] = definition; |
| 3130 |
return this._buildRegions(regions)[name]; |
| 3131 |
}, |
| 3132 |
|
| 3133 |
// Add multiple regions as a {name: definition, name2: def2} object literal |
| 3134 |
addRegions: function(regions) { |
| 3135 |
this.regions = _.extend({}, this.regions, regions); |
| 3136 |
return this._buildRegions(regions); |
| 3137 |
}, |
| 3138 |
|
| 3139 |
// Remove a single region from the LayoutView, by name |
| 3140 |
removeRegion: function(name) { |
| 3141 |
delete this.regions[name]; |
| 3142 |
return this.regionManager.removeRegion(name); |
| 3143 |
}, |
| 3144 |
|
| 3145 |
// Provides alternative access to regions |
| 3146 |
// Accepts the region name |
| 3147 |
// getRegion('main') |
| 3148 |
getRegion: function(region) { |
| 3149 |
return this.regionManager.get(region); |
| 3150 |
}, |
| 3151 |
|
| 3152 |
// Get all regions |
| 3153 |
getRegions: function() { |
| 3154 |
return this.regionManager.getRegions(); |
| 3155 |
}, |
| 3156 |
|
| 3157 |
// internal method to build regions |
| 3158 |
_buildRegions: function(regions) { |
| 3159 |
var defaults = { |
| 3160 |
regionClass: this.getOption('regionClass'), |
| 3161 |
parentEl: _.partial(_.result, this, 'el') |
| 3162 |
}; |
| 3163 |
|
| 3164 |
return this.regionManager.addRegions(regions, defaults); |
| 3165 |
}, |
| 3166 |
|
| 3167 |
// Internal method to initialize the regions that have been defined in a |
| 3168 |
// `regions` attribute on this layoutView. |
| 3169 |
_initializeRegions: function(options) { |
| 3170 |
var regions; |
| 3171 |
this._initRegionManager(); |
| 3172 |
|
| 3173 |
regions = Marionette._getValue(this.regions, this, [options]) || {}; |
| 3174 |
|
| 3175 |
// Enable users to define `regions` as instance options. |
| 3176 |
var regionOptions = this.getOption.call(options, 'regions'); |
| 3177 |
|
| 3178 |
// enable region options to be a function |
| 3179 |
regionOptions = Marionette._getValue(regionOptions, this, [options]); |
| 3180 |
|
| 3181 |
_.extend(regions, regionOptions); |
| 3182 |
|
| 3183 |
// Normalize region selectors hash to allow |
| 3184 |
// a user to use the @ui. syntax. |
| 3185 |
regions = this.normalizeUIValues(regions, ['selector', 'el']); |
| 3186 |
|
| 3187 |
this.addRegions(regions); |
| 3188 |
}, |
| 3189 |
|
| 3190 |
// Internal method to re-initialize all of the regions by updating the `el` that |
| 3191 |
// they point to |
| 3192 |
_reInitializeRegions: function() { |
| 3193 |
this.regionManager.invoke('reset'); |
| 3194 |
}, |
| 3195 |
|
| 3196 |
// Enable easy overriding of the default `RegionManager` |
| 3197 |
// for customized region interactions and business specific |
| 3198 |
// view logic for better control over single regions. |
| 3199 |
getRegionManager: function() { |
| 3200 |
return new Marionette.RegionManager(); |
| 3201 |
}, |
| 3202 |
|
| 3203 |
// Internal method to initialize the region manager |
| 3204 |
// and all regions in it |
| 3205 |
_initRegionManager: function() { |
| 3206 |
this.regionManager = this.getRegionManager(); |
| 3207 |
this.regionManager._parent = this; |
| 3208 |
|
| 3209 |
this.listenTo(this.regionManager, 'before:add:region', function(name) { |
| 3210 |
this.triggerMethod('before:add:region', name); |
| 3211 |
}); |
| 3212 |
|
| 3213 |
this.listenTo(this.regionManager, 'add:region', function(name, region) { |
| 3214 |
this[name] = region; |
| 3215 |
this.triggerMethod('add:region', name, region); |
| 3216 |
}); |
| 3217 |
|
| 3218 |
this.listenTo(this.regionManager, 'before:remove:region', function(name) { |
| 3219 |
this.triggerMethod('before:remove:region', name); |
| 3220 |
}); |
| 3221 |
|
| 3222 |
this.listenTo(this.regionManager, 'remove:region', function(name, region) { |
| 3223 |
delete this[name]; |
| 3224 |
this.triggerMethod('remove:region', name, region); |
| 3225 |
}); |
| 3226 |
}, |
| 3227 |
|
| 3228 |
_getImmediateChildren: function() { |
| 3229 |
return _.chain(this.regionManager.getRegions()) |
| 3230 |
.pluck('currentView') |
| 3231 |
.compact() |
| 3232 |
.value(); |
| 3233 |
} |
| 3234 |
}); |
| 3235 |
|
| 3236 |
|
| 3237 |
// Behavior |
| 3238 |
// -------- |
| 3239 |
|
| 3240 |
// A Behavior is an isolated set of DOM / |
| 3241 |
// user interactions that can be mixed into any View. |
| 3242 |
// Behaviors allow you to blackbox View specific interactions |
| 3243 |
// into portable logical chunks, keeping your views simple and your code DRY. |
| 3244 |
|
| 3245 |
Marionette.Behavior = Marionette.Object.extend({ |
| 3246 |
constructor: function(options, view) { |
| 3247 |
// Setup reference to the view. |
| 3248 |
// this comes in handle when a behavior |
| 3249 |
// wants to directly talk up the chain |
| 3250 |
// to the view. |
| 3251 |
this.view = view; |
| 3252 |
this.defaults = _.result(this, 'defaults') || {}; |
| 3253 |
this.options = _.extend({}, this.defaults, options); |
| 3254 |
// Construct an internal UI hash using |
| 3255 |
// the views UI hash and then the behaviors UI hash. |
| 3256 |
// This allows the user to use UI hash elements |
| 3257 |
// defined in the parent view as well as those |
| 3258 |
// defined in the given behavior. |
| 3259 |
this.ui = _.extend({}, _.result(view, 'ui'), _.result(this, 'ui')); |
| 3260 |
|
| 3261 |
Marionette.Object.apply(this, arguments); |
| 3262 |
}, |
| 3263 |
|
| 3264 |
// proxy behavior $ method to the view |
| 3265 |
// this is useful for doing jquery DOM lookups |
| 3266 |
// scoped to behaviors view. |
| 3267 |
$: function() { |
| 3268 |
return this.view.$.apply(this.view, arguments); |
| 3269 |
}, |
| 3270 |
|
| 3271 |
// Stops the behavior from listening to events. |
| 3272 |
// Overrides Object#destroy to prevent additional events from being triggered. |
| 3273 |
destroy: function() { |
| 3274 |
this.stopListening(); |
| 3275 |
|
| 3276 |
return this; |
| 3277 |
}, |
| 3278 |
|
| 3279 |
proxyViewProperties: function(view) { |
| 3280 |
this.$el = view.$el; |
| 3281 |
this.el = view.el; |
| 3282 |
} |
| 3283 |
}); |
| 3284 |
|
| 3285 |
/* jshint maxlen: 143 */ |
| 3286 |
// Behaviors |
| 3287 |
// --------- |
| 3288 |
|
| 3289 |
// Behaviors is a utility class that takes care of |
| 3290 |
// gluing your behavior instances to their given View. |
| 3291 |
// The most important part of this class is that you |
| 3292 |
// **MUST** override the class level behaviorsLookup |
| 3293 |
// method for things to work properly. |
| 3294 |
|
| 3295 |
Marionette.Behaviors = (function(Marionette, _) { |
| 3296 |
// Borrow event splitter from Backbone |
| 3297 |
var delegateEventSplitter = /^(\S+)\s*(.*)$/; |
| 3298 |
|
| 3299 |
function Behaviors(view, behaviors) { |
| 3300 |
|
| 3301 |
if (!_.isObject(view.behaviors)) { |
| 3302 |
return {}; |
| 3303 |
} |
| 3304 |
|
| 3305 |
// Behaviors defined on a view can be a flat object literal |
| 3306 |
// or it can be a function that returns an object. |
| 3307 |
behaviors = Behaviors.parseBehaviors(view, behaviors || _.result(view, 'behaviors')); |
| 3308 |
|
| 3309 |
// Wraps several of the view's methods |
| 3310 |
// calling the methods first on each behavior |
| 3311 |
// and then eventually calling the method on the view. |
| 3312 |
Behaviors.wrap(view, behaviors, _.keys(methods)); |
| 3313 |
return behaviors; |
| 3314 |
} |
| 3315 |
|
| 3316 |
var methods = { |
| 3317 |
behaviorTriggers: function(behaviorTriggers, behaviors) { |
| 3318 |
var triggerBuilder = new BehaviorTriggersBuilder(this, behaviors); |
| 3319 |
return triggerBuilder.buildBehaviorTriggers(); |
| 3320 |
}, |
| 3321 |
|
| 3322 |
behaviorEvents: function(behaviorEvents, behaviors) { |
| 3323 |
var _behaviorsEvents = {}; |
| 3324 |
|
| 3325 |
_.each(behaviors, function(b, i) { |
| 3326 |
var _events = {}; |
| 3327 |
var behaviorEvents = _.clone(_.result(b, 'events')) || {}; |
| 3328 |
|
| 3329 |
// Normalize behavior events hash to allow |
| 3330 |
// a user to use the @ui. syntax. |
| 3331 |
behaviorEvents = Marionette.normalizeUIKeys(behaviorEvents, getBehaviorsUI(b)); |
| 3332 |
|
| 3333 |
var j = 0; |
| 3334 |
_.each(behaviorEvents, function(behaviour, key) { |
| 3335 |
var match = key.match(delegateEventSplitter); |
| 3336 |
|
| 3337 |
// Set event name to be namespaced using the view cid, |
| 3338 |
// the behavior index, and the behavior event index |
| 3339 |
// to generate a non colliding event namespace |
| 3340 |
// http://api.jquery.com/event.namespace/ |
| 3341 |
var eventName = match[1] + '.' + [this.cid, i, j++, ' '].join(''); |
| 3342 |
var selector = match[2]; |
| 3343 |
|
| 3344 |
var eventKey = eventName + selector; |
| 3345 |
var handler = _.isFunction(behaviour) ? behaviour : b[behaviour]; |
| 3346 |
if (!handler) { return; } |
| 3347 |
_events[eventKey] = _.bind(handler, b); |
| 3348 |
}, this); |
| 3349 |
|
| 3350 |
_behaviorsEvents = _.extend(_behaviorsEvents, _events); |
| 3351 |
}, this); |
| 3352 |
|
| 3353 |
return _behaviorsEvents; |
| 3354 |
} |
| 3355 |
}; |
| 3356 |
|
| 3357 |
_.extend(Behaviors, { |
| 3358 |
|
| 3359 |
// Placeholder method to be extended by the user. |
| 3360 |
// The method should define the object that stores the behaviors. |
| 3361 |
// i.e. |
| 3362 |
// |
| 3363 |
// ```js |
| 3364 |
// Marionette.Behaviors.behaviorsLookup: function() { |
| 3365 |
// return App.Behaviors |
| 3366 |
// } |
| 3367 |
// ``` |
| 3368 |
behaviorsLookup: function() { |
| 3369 |
throw new Marionette.Error({ |
| 3370 |
message: 'You must define where your behaviors are stored.', |
| 3371 |
url: 'marionette.behaviors.html#behaviorslookup' |
| 3372 |
}); |
| 3373 |
}, |
| 3374 |
|
| 3375 |
// Takes care of getting the behavior class |
| 3376 |
// given options and a key. |
| 3377 |
// If a user passes in options.behaviorClass |
| 3378 |
// default to using that. Otherwise delegate |
| 3379 |
// the lookup to the users `behaviorsLookup` implementation. |
| 3380 |
getBehaviorClass: function(options, key) { |
| 3381 |
if (options.behaviorClass) { |
| 3382 |
return options.behaviorClass; |
| 3383 |
} |
| 3384 |
|
| 3385 |
// Get behavior class can be either a flat object or a method |
| 3386 |
return Marionette._getValue(Behaviors.behaviorsLookup, this, [options, key])[key]; |
| 3387 |
}, |
| 3388 |
|
| 3389 |
// Iterate over the behaviors object, for each behavior |
| 3390 |
// instantiate it and get its grouped behaviors. |
| 3391 |
parseBehaviors: function(view, behaviors) { |
| 3392 |
return _.chain(behaviors).map(function(options, key) { |
| 3393 |
var BehaviorClass = Behaviors.getBehaviorClass(options, key); |
| 3394 |
|
| 3395 |
var behavior = new BehaviorClass(options, view); |
| 3396 |
var nestedBehaviors = Behaviors.parseBehaviors(view, _.result(behavior, 'behaviors')); |
| 3397 |
|
| 3398 |
return [behavior].concat(nestedBehaviors); |
| 3399 |
}).flatten().value(); |
| 3400 |
}, |
| 3401 |
|
| 3402 |
// Wrap view internal methods so that they delegate to behaviors. For example, |
| 3403 |
// `onDestroy` should trigger destroy on all of the behaviors and then destroy itself. |
| 3404 |
// i.e. |
| 3405 |
// |
| 3406 |
// `view.delegateEvents = _.partial(methods.delegateEvents, view.delegateEvents, behaviors);` |
| 3407 |
wrap: function(view, behaviors, methodNames) { |
| 3408 |
_.each(methodNames, function(methodName) { |
| 3409 |
view[methodName] = _.partial(methods[methodName], view[methodName], behaviors); |
| 3410 |
}); |
| 3411 |
} |
| 3412 |
}); |
| 3413 |
|
| 3414 |
// Class to build handlers for `triggers` on behaviors |
| 3415 |
// for views |
| 3416 |
function BehaviorTriggersBuilder(view, behaviors) { |
| 3417 |
this._view = view; |
| 3418 |
this._behaviors = behaviors; |
| 3419 |
this._triggers = {}; |
| 3420 |
} |
| 3421 |
|
| 3422 |
_.extend(BehaviorTriggersBuilder.prototype, { |
| 3423 |
// Main method to build the triggers hash with event keys and handlers |
| 3424 |
buildBehaviorTriggers: function() { |
| 3425 |
_.each(this._behaviors, this._buildTriggerHandlersForBehavior, this); |
| 3426 |
return this._triggers; |
| 3427 |
}, |
| 3428 |
|
| 3429 |
// Internal method to build all trigger handlers for a given behavior |
| 3430 |
_buildTriggerHandlersForBehavior: function(behavior, i) { |
| 3431 |
var triggersHash = _.clone(_.result(behavior, 'triggers')) || {}; |
| 3432 |
|
| 3433 |
triggersHash = Marionette.normalizeUIKeys(triggersHash, getBehaviorsUI(behavior)); |
| 3434 |
|
| 3435 |
_.each(triggersHash, _.bind(this._setHandlerForBehavior, this, behavior, i)); |
| 3436 |
}, |
| 3437 |
|
| 3438 |
// Internal method to create and assign the trigger handler for a given |
| 3439 |
// behavior |
| 3440 |
_setHandlerForBehavior: function(behavior, i, eventName, trigger) { |
| 3441 |
// Unique identifier for the `this._triggers` hash |
| 3442 |
var triggerKey = trigger.replace(/^\S+/, function(triggerName) { |
| 3443 |
return triggerName + '.' + 'behaviortriggers' + i; |
| 3444 |
}); |
| 3445 |
|
| 3446 |
this._triggers[triggerKey] = this._view._buildViewTrigger(eventName); |
| 3447 |
} |
| 3448 |
}); |
| 3449 |
|
| 3450 |
function getBehaviorsUI(behavior) { |
| 3451 |
return behavior._uiBindings || behavior.ui; |
| 3452 |
} |
| 3453 |
|
| 3454 |
return Behaviors; |
| 3455 |
|
| 3456 |
})(Marionette, _); |
| 3457 |
|
| 3458 |
|
| 3459 |
// App Router |
| 3460 |
// ---------- |
| 3461 |
|
| 3462 |
// Reduce the boilerplate code of handling route events |
| 3463 |
// and then calling a single method on another object. |
| 3464 |
// Have your routers configured to call the method on |
| 3465 |
// your object, directly. |
| 3466 |
// |
| 3467 |
// Configure an AppRouter with `appRoutes`. |
| 3468 |
// |
| 3469 |
// App routers can only take one `controller` object. |
| 3470 |
// It is recommended that you divide your controller |
| 3471 |
// objects in to smaller pieces of related functionality |
| 3472 |
// and have multiple routers / controllers, instead of |
| 3473 |
// just one giant router and controller. |
| 3474 |
// |
| 3475 |
// You can also add standard routes to an AppRouter. |
| 3476 |
|
| 3477 |
Marionette.AppRouter = Backbone.Router.extend({ |
| 3478 |
|
| 3479 |
constructor: function(options) { |
| 3480 |
this.options = options || {}; |
| 3481 |
|
| 3482 |
Backbone.Router.apply(this, arguments); |
| 3483 |
|
| 3484 |
var appRoutes = this.getOption('appRoutes'); |
| 3485 |
var controller = this._getController(); |
| 3486 |
this.processAppRoutes(controller, appRoutes); |
| 3487 |
this.on('route', this._processOnRoute, this); |
| 3488 |
}, |
| 3489 |
|
| 3490 |
// Similar to route method on a Backbone Router but |
| 3491 |
// method is called on the controller |
| 3492 |
appRoute: function(route, methodName) { |
| 3493 |
var controller = this._getController(); |
| 3494 |
this._addAppRoute(controller, route, methodName); |
| 3495 |
}, |
| 3496 |
|
| 3497 |
// process the route event and trigger the onRoute |
| 3498 |
// method call, if it exists |
| 3499 |
_processOnRoute: function(routeName, routeArgs) { |
| 3500 |
// make sure an onRoute before trying to call it |
| 3501 |
if (_.isFunction(this.onRoute)) { |
| 3502 |
// find the path that matches the current route |
| 3503 |
var routePath = _.invert(this.getOption('appRoutes'))[routeName]; |
| 3504 |
this.onRoute(routeName, routePath, routeArgs); |
| 3505 |
} |
| 3506 |
}, |
| 3507 |
|
| 3508 |
// Internal method to process the `appRoutes` for the |
| 3509 |
// router, and turn them in to routes that trigger the |
| 3510 |
// specified method on the specified `controller`. |
| 3511 |
processAppRoutes: function(controller, appRoutes) { |
| 3512 |
if (!appRoutes) { return; } |
| 3513 |
|
| 3514 |
var routeNames = _.keys(appRoutes).reverse(); // Backbone requires reverted order of routes |
| 3515 |
|
| 3516 |
_.each(routeNames, function(route) { |
| 3517 |
this._addAppRoute(controller, route, appRoutes[route]); |
| 3518 |
}, this); |
| 3519 |
}, |
| 3520 |
|
| 3521 |
_getController: function() { |
| 3522 |
return this.getOption('controller'); |
| 3523 |
}, |
| 3524 |
|
| 3525 |
_addAppRoute: function(controller, route, methodName) { |
| 3526 |
var method = controller[methodName]; |
| 3527 |
|
| 3528 |
if (!method) { |
| 3529 |
throw new Marionette.Error('Method "' + methodName + '" was not found on the controller'); |
| 3530 |
} |
| 3531 |
|
| 3532 |
this.route(route, methodName, _.bind(method, controller)); |
| 3533 |
}, |
| 3534 |
|
| 3535 |
mergeOptions: Marionette.mergeOptions, |
| 3536 |
|
| 3537 |
// Proxy `getOption` to enable getting options from this or this.options by name. |
| 3538 |
getOption: Marionette.proxyGetOption, |
| 3539 |
|
| 3540 |
triggerMethod: Marionette.triggerMethod, |
| 3541 |
|
| 3542 |
bindEntityEvents: Marionette.proxyBindEntityEvents, |
| 3543 |
|
| 3544 |
unbindEntityEvents: Marionette.proxyUnbindEntityEvents |
| 3545 |
}); |
| 3546 |
|
| 3547 |
// Application |
| 3548 |
// ----------- |
| 3549 |
|
| 3550 |
// Contain and manage the composite application as a whole. |
| 3551 |
// Stores and starts up `Region` objects, includes an |
| 3552 |
// event aggregator as `app.vent` |
| 3553 |
Marionette.Application = Marionette.Object.extend({ |
| 3554 |
constructor: function(options) { |
| 3555 |
this._initializeRegions(options); |
| 3556 |
this._initCallbacks = new Marionette.Callbacks(); |
| 3557 |
this.submodules = {}; |
| 3558 |
_.extend(this, options); |
| 3559 |
this._initChannel(); |
| 3560 |
Marionette.Object.apply(this, arguments); |
| 3561 |
}, |
| 3562 |
|
| 3563 |
// Command execution, facilitated by Backbone.Wreqr.Commands |
| 3564 |
execute: function() { |
| 3565 |
this.commands.execute.apply(this.commands, arguments); |
| 3566 |
}, |
| 3567 |
|
| 3568 |
// Request/response, facilitated by Backbone.Wreqr.RequestResponse |
| 3569 |
request: function() { |
| 3570 |
return this.reqres.request.apply(this.reqres, arguments); |
| 3571 |
}, |
| 3572 |
|
| 3573 |
// Add an initializer that is either run at when the `start` |
| 3574 |
// method is called, or run immediately if added after `start` |
| 3575 |
// has already been called. |
| 3576 |
addInitializer: function(initializer) { |
| 3577 |
this._initCallbacks.add(initializer); |
| 3578 |
}, |
| 3579 |
|
| 3580 |
// kick off all of the application's processes. |
| 3581 |
// initializes all of the regions that have been added |
| 3582 |
// to the app, and runs all of the initializer functions |
| 3583 |
start: function(options) { |
| 3584 |
this.triggerMethod('before:start', options); |
| 3585 |
this._initCallbacks.run(options, this); |
| 3586 |
this.triggerMethod('start', options); |
| 3587 |
}, |
| 3588 |
|
| 3589 |
// Add regions to your app. |
| 3590 |
// Accepts a hash of named strings or Region objects |
| 3591 |
// addRegions({something: "#someRegion"}) |
| 3592 |
// addRegions({something: Region.extend({el: "#someRegion"}) }); |
| 3593 |
addRegions: function(regions) { |
| 3594 |
return this._regionManager.addRegions(regions); |
| 3595 |
}, |
| 3596 |
|
| 3597 |
// Empty all regions in the app, without removing them |
| 3598 |
emptyRegions: function() { |
| 3599 |
return this._regionManager.emptyRegions(); |
| 3600 |
}, |
| 3601 |
|
| 3602 |
// Removes a region from your app, by name |
| 3603 |
// Accepts the regions name |
| 3604 |
// removeRegion('myRegion') |
| 3605 |
removeRegion: function(region) { |
| 3606 |
return this._regionManager.removeRegion(region); |
| 3607 |
}, |
| 3608 |
|
| 3609 |
// Provides alternative access to regions |
| 3610 |
// Accepts the region name |
| 3611 |
// getRegion('main') |
| 3612 |
getRegion: function(region) { |
| 3613 |
return this._regionManager.get(region); |
| 3614 |
}, |
| 3615 |
|
| 3616 |
// Get all the regions from the region manager |
| 3617 |
getRegions: function() { |
| 3618 |
return this._regionManager.getRegions(); |
| 3619 |
}, |
| 3620 |
|
| 3621 |
// Create a module, attached to the application |
| 3622 |
module: function(moduleNames, moduleDefinition) { |
| 3623 |
|
| 3624 |
// Overwrite the module class if the user specifies one |
| 3625 |
var ModuleClass = Marionette.Module.getClass(moduleDefinition); |
| 3626 |
|
| 3627 |
var args = _.toArray(arguments); |
| 3628 |
args.unshift(this); |
| 3629 |
|
| 3630 |
// see the Marionette.Module object for more information |
| 3631 |
return ModuleClass.create.apply(ModuleClass, args); |
| 3632 |
}, |
| 3633 |
|
| 3634 |
// Enable easy overriding of the default `RegionManager` |
| 3635 |
// for customized region interactions and business-specific |
| 3636 |
// view logic for better control over single regions. |
| 3637 |
getRegionManager: function() { |
| 3638 |
return new Marionette.RegionManager(); |
| 3639 |
}, |
| 3640 |
|
| 3641 |
// Internal method to initialize the regions that have been defined in a |
| 3642 |
// `regions` attribute on the application instance |
| 3643 |
_initializeRegions: function(options) { |
| 3644 |
var regions = _.isFunction(this.regions) ? this.regions(options) : this.regions || {}; |
| 3645 |
|
| 3646 |
this._initRegionManager(); |
| 3647 |
|
| 3648 |
// Enable users to define `regions` in instance options. |
| 3649 |
var optionRegions = Marionette.getOption(options, 'regions'); |
| 3650 |
|
| 3651 |
// Enable region options to be a function |
| 3652 |
if (_.isFunction(optionRegions)) { |
| 3653 |
optionRegions = optionRegions.call(this, options); |
| 3654 |
} |
| 3655 |
|
| 3656 |
// Overwrite current regions with those passed in options |
| 3657 |
_.extend(regions, optionRegions); |
| 3658 |
|
| 3659 |
this.addRegions(regions); |
| 3660 |
|
| 3661 |
return this; |
| 3662 |
}, |
| 3663 |
|
| 3664 |
// Internal method to set up the region manager |
| 3665 |
_initRegionManager: function() { |
| 3666 |
this._regionManager = this.getRegionManager(); |
| 3667 |
this._regionManager._parent = this; |
| 3668 |
|
| 3669 |
this.listenTo(this._regionManager, 'before:add:region', function() { |
| 3670 |
Marionette._triggerMethod(this, 'before:add:region', arguments); |
| 3671 |
}); |
| 3672 |
|
| 3673 |
this.listenTo(this._regionManager, 'add:region', function(name, region) { |
| 3674 |
this[name] = region; |
| 3675 |
Marionette._triggerMethod(this, 'add:region', arguments); |
| 3676 |
}); |
| 3677 |
|
| 3678 |
this.listenTo(this._regionManager, 'before:remove:region', function() { |
| 3679 |
Marionette._triggerMethod(this, 'before:remove:region', arguments); |
| 3680 |
}); |
| 3681 |
|
| 3682 |
this.listenTo(this._regionManager, 'remove:region', function(name) { |
| 3683 |
delete this[name]; |
| 3684 |
Marionette._triggerMethod(this, 'remove:region', arguments); |
| 3685 |
}); |
| 3686 |
}, |
| 3687 |
|
| 3688 |
// Internal method to setup the Wreqr.radio channel |
| 3689 |
_initChannel: function() { |
| 3690 |
this.channelName = _.result(this, 'channelName') || 'global'; |
| 3691 |
this.channel = _.result(this, 'channel') || Backbone.Wreqr.radio.channel(this.channelName); |
| 3692 |
this.vent = _.result(this, 'vent') || this.channel.vent; |
| 3693 |
this.commands = _.result(this, 'commands') || this.channel.commands; |
| 3694 |
this.reqres = _.result(this, 'reqres') || this.channel.reqres; |
| 3695 |
} |
| 3696 |
}); |
| 3697 |
|
| 3698 |
/* jshint maxparams: 9 */ |
| 3699 |
|
| 3700 |
// Module |
| 3701 |
// ------ |
| 3702 |
|
| 3703 |
// A simple module system, used to create privacy and encapsulation in |
| 3704 |
// Marionette applications |
| 3705 |
Marionette.Module = function(moduleName, app, options) { |
| 3706 |
this.moduleName = moduleName; |
| 3707 |
this.options = _.extend({}, this.options, options); |
| 3708 |
// Allow for a user to overide the initialize |
| 3709 |
// for a given module instance. |
| 3710 |
this.initialize = options.initialize || this.initialize; |
| 3711 |
|
| 3712 |
// Set up an internal store for sub-modules. |
| 3713 |
this.submodules = {}; |
| 3714 |
|
| 3715 |
this._setupInitializersAndFinalizers(); |
| 3716 |
|
| 3717 |
// Set an internal reference to the app |
| 3718 |
// within a module. |
| 3719 |
this.app = app; |
| 3720 |
|
| 3721 |
if (_.isFunction(this.initialize)) { |
| 3722 |
this.initialize(moduleName, app, this.options); |
| 3723 |
} |
| 3724 |
}; |
| 3725 |
|
| 3726 |
Marionette.Module.extend = Marionette.extend; |
| 3727 |
|
| 3728 |
// Extend the Module prototype with events / listenTo, so that the module |
| 3729 |
// can be used as an event aggregator or pub/sub. |
| 3730 |
_.extend(Marionette.Module.prototype, Backbone.Events, { |
| 3731 |
|
| 3732 |
// By default modules start with their parents. |
| 3733 |
startWithParent: true, |
| 3734 |
|
| 3735 |
// Initialize is an empty function by default. Override it with your own |
| 3736 |
// initialization logic when extending Marionette.Module. |
| 3737 |
initialize: function() {}, |
| 3738 |
|
| 3739 |
// Initializer for a specific module. Initializers are run when the |
| 3740 |
// module's `start` method is called. |
| 3741 |
addInitializer: function(callback) { |
| 3742 |
this._initializerCallbacks.add(callback); |
| 3743 |
}, |
| 3744 |
|
| 3745 |
// Finalizers are run when a module is stopped. They are used to teardown |
| 3746 |
// and finalize any variables, references, events and other code that the |
| 3747 |
// module had set up. |
| 3748 |
addFinalizer: function(callback) { |
| 3749 |
this._finalizerCallbacks.add(callback); |
| 3750 |
}, |
| 3751 |
|
| 3752 |
// Start the module, and run all of its initializers |
| 3753 |
start: function(options) { |
| 3754 |
// Prevent re-starting a module that is already started |
| 3755 |
if (this._isInitialized) { return; } |
| 3756 |
|
| 3757 |
// start the sub-modules (depth-first hierarchy) |
| 3758 |
_.each(this.submodules, function(mod) { |
| 3759 |
// check to see if we should start the sub-module with this parent |
| 3760 |
if (mod.startWithParent) { |
| 3761 |
mod.start(options); |
| 3762 |
} |
| 3763 |
}); |
| 3764 |
|
| 3765 |
// run the callbacks to "start" the current module |
| 3766 |
this.triggerMethod('before:start', options); |
| 3767 |
|
| 3768 |
this._initializerCallbacks.run(options, this); |
| 3769 |
this._isInitialized = true; |
| 3770 |
|
| 3771 |
this.triggerMethod('start', options); |
| 3772 |
}, |
| 3773 |
|
| 3774 |
// Stop this module by running its finalizers and then stop all of |
| 3775 |
// the sub-modules for this module |
| 3776 |
stop: function() { |
| 3777 |
// if we are not initialized, don't bother finalizing |
| 3778 |
if (!this._isInitialized) { return; } |
| 3779 |
this._isInitialized = false; |
| 3780 |
|
| 3781 |
this.triggerMethod('before:stop'); |
| 3782 |
|
| 3783 |
// stop the sub-modules; depth-first, to make sure the |
| 3784 |
// sub-modules are stopped / finalized before parents |
| 3785 |
_.invoke(this.submodules, 'stop'); |
| 3786 |
|
| 3787 |
// run the finalizers |
| 3788 |
this._finalizerCallbacks.run(undefined, this); |
| 3789 |
|
| 3790 |
// reset the initializers and finalizers |
| 3791 |
this._initializerCallbacks.reset(); |
| 3792 |
this._finalizerCallbacks.reset(); |
| 3793 |
|
| 3794 |
this.triggerMethod('stop'); |
| 3795 |
}, |
| 3796 |
|
| 3797 |
// Configure the module with a definition function and any custom args |
| 3798 |
// that are to be passed in to the definition function |
| 3799 |
addDefinition: function(moduleDefinition, customArgs) { |
| 3800 |
this._runModuleDefinition(moduleDefinition, customArgs); |
| 3801 |
}, |
| 3802 |
|
| 3803 |
// Internal method: run the module definition function with the correct |
| 3804 |
// arguments |
| 3805 |
_runModuleDefinition: function(definition, customArgs) { |
| 3806 |
// If there is no definition short circut the method. |
| 3807 |
if (!definition) { return; } |
| 3808 |
|
| 3809 |
// build the correct list of arguments for the module definition |
| 3810 |
var args = _.flatten([ |
| 3811 |
this, |
| 3812 |
this.app, |
| 3813 |
Backbone, |
| 3814 |
Marionette, |
| 3815 |
Backbone.$, _, |
| 3816 |
customArgs |
| 3817 |
]); |
| 3818 |
|
| 3819 |
definition.apply(this, args); |
| 3820 |
}, |
| 3821 |
|
| 3822 |
// Internal method: set up new copies of initializers and finalizers. |
| 3823 |
// Calling this method will wipe out all existing initializers and |
| 3824 |
// finalizers. |
| 3825 |
_setupInitializersAndFinalizers: function() { |
| 3826 |
this._initializerCallbacks = new Marionette.Callbacks(); |
| 3827 |
this._finalizerCallbacks = new Marionette.Callbacks(); |
| 3828 |
}, |
| 3829 |
|
| 3830 |
// import the `triggerMethod` to trigger events with corresponding |
| 3831 |
// methods if the method exists |
| 3832 |
triggerMethod: Marionette.triggerMethod |
| 3833 |
}); |
| 3834 |
|
| 3835 |
// Class methods to create modules |
| 3836 |
_.extend(Marionette.Module, { |
| 3837 |
|
| 3838 |
// Create a module, hanging off the app parameter as the parent object. |
| 3839 |
create: function(app, moduleNames, moduleDefinition) { |
| 3840 |
var module = app; |
| 3841 |
|
| 3842 |
// get the custom args passed in after the module definition and |
| 3843 |
// get rid of the module name and definition function |
| 3844 |
var customArgs = _.drop(arguments, 3); |
| 3845 |
|
| 3846 |
// Split the module names and get the number of submodules. |
| 3847 |
// i.e. an example module name of `Doge.Wow.Amaze` would |
| 3848 |
// then have the potential for 3 module definitions. |
| 3849 |
moduleNames = moduleNames.split('.'); |
| 3850 |
var length = moduleNames.length; |
| 3851 |
|
| 3852 |
// store the module definition for the last module in the chain |
| 3853 |
var moduleDefinitions = []; |
| 3854 |
moduleDefinitions[length - 1] = moduleDefinition; |
| 3855 |
|
| 3856 |
// Loop through all the parts of the module definition |
| 3857 |
_.each(moduleNames, function(moduleName, i) { |
| 3858 |
var parentModule = module; |
| 3859 |
module = this._getModule(parentModule, moduleName, app, moduleDefinition); |
| 3860 |
this._addModuleDefinition(parentModule, module, moduleDefinitions[i], customArgs); |
| 3861 |
}, this); |
| 3862 |
|
| 3863 |
// Return the last module in the definition chain |
| 3864 |
return module; |
| 3865 |
}, |
| 3866 |
|
| 3867 |
_getModule: function(parentModule, moduleName, app, def, args) { |
| 3868 |
var options = _.extend({}, def); |
| 3869 |
var ModuleClass = this.getClass(def); |
| 3870 |
|
| 3871 |
// Get an existing module of this name if we have one |
| 3872 |
var module = parentModule[moduleName]; |
| 3873 |
|
| 3874 |
if (!module) { |
| 3875 |
// Create a new module if we don't have one |
| 3876 |
module = new ModuleClass(moduleName, app, options); |
| 3877 |
parentModule[moduleName] = module; |
| 3878 |
// store the module on the parent |
| 3879 |
parentModule.submodules[moduleName] = module; |
| 3880 |
} |
| 3881 |
|
| 3882 |
return module; |
| 3883 |
}, |
| 3884 |
|
| 3885 |
// ## Module Classes |
| 3886 |
// |
| 3887 |
// Module classes can be used as an alternative to the define pattern. |
| 3888 |
// The extend function of a Module is identical to the extend functions |
| 3889 |
// on other Backbone and Marionette classes. |
| 3890 |
// This allows module lifecyle events like `onStart` and `onStop` to be called directly. |
| 3891 |
getClass: function(moduleDefinition) { |
| 3892 |
var ModuleClass = Marionette.Module; |
| 3893 |
|
| 3894 |
if (!moduleDefinition) { |
| 3895 |
return ModuleClass; |
| 3896 |
} |
| 3897 |
|
| 3898 |
// If all of the module's functionality is defined inside its class, |
| 3899 |
// then the class can be passed in directly. `MyApp.module("Foo", FooModule)`. |
| 3900 |
if (moduleDefinition.prototype instanceof ModuleClass) { |
| 3901 |
return moduleDefinition; |
| 3902 |
} |
| 3903 |
|
| 3904 |
return moduleDefinition.moduleClass || ModuleClass; |
| 3905 |
}, |
| 3906 |
|
| 3907 |
// Add the module definition and add a startWithParent initializer function. |
| 3908 |
// This is complicated because module definitions are heavily overloaded |
| 3909 |
// and support an anonymous function, module class, or options object |
| 3910 |
_addModuleDefinition: function(parentModule, module, def, args) { |
| 3911 |
var fn = this._getDefine(def); |
| 3912 |
var startWithParent = this._getStartWithParent(def, module); |
| 3913 |
|
| 3914 |
if (fn) { |
| 3915 |
module.addDefinition(fn, args); |
| 3916 |
} |
| 3917 |
|
| 3918 |
this._addStartWithParent(parentModule, module, startWithParent); |
| 3919 |
}, |
| 3920 |
|
| 3921 |
_getStartWithParent: function(def, module) { |
| 3922 |
var swp; |
| 3923 |
|
| 3924 |
if (_.isFunction(def) && (def.prototype instanceof Marionette.Module)) { |
| 3925 |
swp = module.constructor.prototype.startWithParent; |
| 3926 |
return _.isUndefined(swp) ? true : swp; |
| 3927 |
} |
| 3928 |
|
| 3929 |
if (_.isObject(def)) { |
| 3930 |
swp = def.startWithParent; |
| 3931 |
return _.isUndefined(swp) ? true : swp; |
| 3932 |
} |
| 3933 |
|
| 3934 |
return true; |
| 3935 |
}, |
| 3936 |
|
| 3937 |
_getDefine: function(def) { |
| 3938 |
if (_.isFunction(def) && !(def.prototype instanceof Marionette.Module)) { |
| 3939 |
return def; |
| 3940 |
} |
| 3941 |
|
| 3942 |
if (_.isObject(def)) { |
| 3943 |
return def.define; |
| 3944 |
} |
| 3945 |
|
| 3946 |
return null; |
| 3947 |
}, |
| 3948 |
|
| 3949 |
_addStartWithParent: function(parentModule, module, startWithParent) { |
| 3950 |
module.startWithParent = module.startWithParent && startWithParent; |
| 3951 |
|
| 3952 |
if (!module.startWithParent || !!module.startWithParentIsConfigured) { |
| 3953 |
return; |
| 3954 |
} |
| 3955 |
|
| 3956 |
module.startWithParentIsConfigured = true; |
| 3957 |
|
| 3958 |
parentModule.addInitializer(function(options) { |
| 3959 |
if (module.startWithParent) { |
| 3960 |
module.start(options); |
| 3961 |
} |
| 3962 |
}); |
| 3963 |
} |
| 3964 |
}); |
| 3965 |
|
| 3966 |
|
| 3967 |
return Marionette; |
| 3968 |
})); |
| 3969 |
|
