3966 lines
130 KiB
JavaScript
3966 lines
130 KiB
JavaScript
/*! elementor - v3.0.15 - 2020-12-20 */
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// MarionetteJS (Backbone.Marionette)
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// ----------------------------------
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// v2.4.5.e1
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// Change Log:
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// e1: Fix - Compatibility with jQuery 3. (`Marionette.Region.reset`).
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//
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// Copyright (c)2016 Derick Bailey, Muted Solutions, LLC.
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// Distributed under MIT license
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//
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// http://marionettejs.com
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/*!
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* Includes BabySitter
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* https://github.com/marionettejs/backbone.babysitter/
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*
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* Includes Wreqr
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* https://github.com/marionettejs/backbone.wreqr/
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*/
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(function(root, factory) {
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/* istanbul ignore next */
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if (typeof define === 'function' && define.amd) {
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define(['backbone', 'underscore'], function(Backbone, _) {
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return (root.Marionette = root.Mn = factory(root, Backbone, _));
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});
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} else if (typeof exports !== 'undefined') {
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var Backbone = require('backbone');
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var _ = require('underscore');
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module.exports = factory(root, Backbone, _);
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} else {
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root.Marionette = root.Mn = factory(root, root.Backbone, root._);
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}
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}(this, function(root, Backbone, _) {
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'use strict';
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/* istanbul ignore next */
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// Backbone.BabySitter
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// -------------------
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// v0.1.11
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//
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// Copyright (c)2016 Derick Bailey, Muted Solutions, LLC.
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// Distributed under MIT license
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//
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// http://github.com/marionettejs/backbone.babysitter
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(function(Backbone, _) {
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"use strict";
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var previousChildViewContainer = Backbone.ChildViewContainer;
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// BabySitter.ChildViewContainer
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// -----------------------------
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//
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// Provide a container to store, retrieve and
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// shut down child views.
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Backbone.ChildViewContainer = function(Backbone, _) {
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// Container Constructor
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// ---------------------
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var Container = function(views) {
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this._views = {};
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this._indexByModel = {};
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this._indexByCustom = {};
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this._updateLength();
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_.each(views, this.add, this);
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};
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// Container Methods
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// -----------------
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_.extend(Container.prototype, {
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// Add a view to this container. Stores the view
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// by `cid` and makes it searchable by the model
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// cid (and model itself). Optionally specify
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// a custom key to store an retrieve the view.
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add: function(view, customIndex) {
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var viewCid = view.cid;
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// store the view
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this._views[viewCid] = view;
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// index it by model
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if (view.model) {
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this._indexByModel[view.model.cid] = viewCid;
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}
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// index by custom
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if (customIndex) {
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this._indexByCustom[customIndex] = viewCid;
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}
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this._updateLength();
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return this;
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},
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// Find a view by the model that was attached to
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// it. Uses the model's `cid` to find it.
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findByModel: function(model) {
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return this.findByModelCid(model.cid);
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},
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// Find a view by the `cid` of the model that was attached to
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// it. Uses the model's `cid` to find the view `cid` and
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// retrieve the view using it.
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findByModelCid: function(modelCid) {
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var viewCid = this._indexByModel[modelCid];
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return this.findByCid(viewCid);
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},
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// Find a view by a custom indexer.
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findByCustom: function(index) {
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var viewCid = this._indexByCustom[index];
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return this.findByCid(viewCid);
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},
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// Find by index. This is not guaranteed to be a
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// stable index.
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findByIndex: function(index) {
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return _.values(this._views)[index];
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},
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// retrieve a view by its `cid` directly
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findByCid: function(cid) {
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return this._views[cid];
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},
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// Remove a view
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remove: function(view) {
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var viewCid = view.cid;
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// delete model index
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if (view.model) {
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delete this._indexByModel[view.model.cid];
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}
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// delete custom index
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_.any(this._indexByCustom, function(cid, key) {
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if (cid === viewCid) {
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delete this._indexByCustom[key];
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return true;
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}
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}, this);
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// remove the view from the container
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delete this._views[viewCid];
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// update the length
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this._updateLength();
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return this;
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},
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// Call a method on every view in the container,
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// passing parameters to the call method one at a
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// time, like `function.call`.
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call: function(method) {
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this.apply(method, _.tail(arguments));
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},
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// Apply a method on every view in the container,
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// passing parameters to the call method one at a
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// time, like `function.apply`.
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apply: function(method, args) {
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_.each(this._views, function(view) {
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if (_.isFunction(view[method])) {
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view[method].apply(view, args || []);
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}
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});
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},
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// Update the `.length` attribute on this container
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_updateLength: function() {
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this.length = _.size(this._views);
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}
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});
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// Borrowing this code from Backbone.Collection:
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// http://backbonejs.org/docs/backbone.html#section-106
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//
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// Mix in methods from Underscore, for iteration, and other
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// collection related features.
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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" ];
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_.each(methods, function(method) {
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Container.prototype[method] = function() {
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var views = _.values(this._views);
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var args = [ views ].concat(_.toArray(arguments));
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return _[method].apply(_, args);
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};
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});
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// return the public API
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return Container;
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}(Backbone, _);
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Backbone.ChildViewContainer.VERSION = "0.1.11";
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Backbone.ChildViewContainer.noConflict = function() {
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Backbone.ChildViewContainer = previousChildViewContainer;
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return this;
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};
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return Backbone.ChildViewContainer;
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})(Backbone, _);
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/* istanbul ignore next */
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// Backbone.Wreqr (Backbone.Marionette)
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// ----------------------------------
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// v1.3.6
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//
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// Copyright (c)2016 Derick Bailey, Muted Solutions, LLC.
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// Distributed under MIT license
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//
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// http://github.com/marionettejs/backbone.wreqr
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(function(Backbone, _) {
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"use strict";
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var previousWreqr = Backbone.Wreqr;
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var Wreqr = Backbone.Wreqr = {};
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Backbone.Wreqr.VERSION = "1.3.6";
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Backbone.Wreqr.noConflict = function() {
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Backbone.Wreqr = previousWreqr;
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return this;
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};
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// Handlers
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// --------
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// A registry of functions to call, given a name
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Wreqr.Handlers = function(Backbone, _) {
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"use strict";
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// Constructor
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// -----------
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var Handlers = function(options) {
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this.options = options;
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this._wreqrHandlers = {};
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if (_.isFunction(this.initialize)) {
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this.initialize(options);
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}
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};
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Handlers.extend = Backbone.Model.extend;
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// Instance Members
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// ----------------
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_.extend(Handlers.prototype, Backbone.Events, {
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// Add multiple handlers using an object literal configuration
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setHandlers: function(handlers) {
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_.each(handlers, function(handler, name) {
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var context = null;
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if (_.isObject(handler) && !_.isFunction(handler)) {
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context = handler.context;
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handler = handler.callback;
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}
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this.setHandler(name, handler, context);
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}, this);
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},
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// Add a handler for the given name, with an
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// optional context to run the handler within
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setHandler: function(name, handler, context) {
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var config = {
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callback: handler,
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context: context
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};
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this._wreqrHandlers[name] = config;
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this.trigger("handler:add", name, handler, context);
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},
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// Determine whether or not a handler is registered
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hasHandler: function(name) {
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return !!this._wreqrHandlers[name];
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},
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// Get the currently registered handler for
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// the specified name. Throws an exception if
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// no handler is found.
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getHandler: function(name) {
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var config = this._wreqrHandlers[name];
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if (!config) {
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return;
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}
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return function() {
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return config.callback.apply(config.context, arguments);
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};
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},
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// Remove a handler for the specified name
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removeHandler: function(name) {
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delete this._wreqrHandlers[name];
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},
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// Remove all handlers from this registry
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removeAllHandlers: function() {
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this._wreqrHandlers = {};
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}
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});
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return Handlers;
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}(Backbone, _);
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// Wreqr.CommandStorage
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// --------------------
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//
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// Store and retrieve commands for execution.
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Wreqr.CommandStorage = function() {
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"use strict";
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// Constructor function
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var CommandStorage = function(options) {
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this.options = options;
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this._commands = {};
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if (_.isFunction(this.initialize)) {
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this.initialize(options);
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}
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};
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// Instance methods
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_.extend(CommandStorage.prototype, Backbone.Events, {
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// Get an object literal by command name, that contains
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// the `commandName` and the `instances` of all commands
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// represented as an array of arguments to process
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getCommands: function(commandName) {
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var commands = this._commands[commandName];
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// we don't have it, so add it
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if (!commands) {
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// build the configuration
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commands = {
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command: commandName,
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instances: []
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};
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// store it
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this._commands[commandName] = commands;
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}
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return commands;
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},
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// Add a command by name, to the storage and store the
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// args for the command
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addCommand: function(commandName, args) {
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var command = this.getCommands(commandName);
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command.instances.push(args);
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},
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// Clear all commands for the given `commandName`
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clearCommands: function(commandName) {
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var command = this.getCommands(commandName);
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command.instances = [];
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}
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});
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return CommandStorage;
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}();
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// Wreqr.Commands
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// --------------
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//
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// A simple command pattern implementation. Register a command
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// handler and execute it.
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Wreqr.Commands = function(Wreqr, _) {
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"use strict";
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return Wreqr.Handlers.extend({
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// default storage type
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storageType: Wreqr.CommandStorage,
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constructor: function(options) {
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this.options = options || {};
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this._initializeStorage(this.options);
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this.on("handler:add", this._executeCommands, this);
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Wreqr.Handlers.prototype.constructor.apply(this, arguments);
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},
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// Execute a named command with the supplied args
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execute: function(name) {
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name = arguments[0];
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var args = _.rest(arguments);
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if (this.hasHandler(name)) {
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this.getHandler(name).apply(this, args);
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} else {
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this.storage.addCommand(name, args);
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}
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},
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// Internal method to handle bulk execution of stored commands
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_executeCommands: function(name, handler, context) {
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var command = this.storage.getCommands(name);
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// loop through and execute all the stored command instances
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_.each(command.instances, function(args) {
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handler.apply(context, args);
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});
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this.storage.clearCommands(name);
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},
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// Internal method to initialize storage either from the type's
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// `storageType` or the instance `options.storageType`.
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_initializeStorage: function(options) {
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var storage;
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var StorageType = options.storageType || this.storageType;
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if (_.isFunction(StorageType)) {
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storage = new StorageType();
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} else {
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storage = StorageType;
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}
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this.storage = storage;
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}
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});
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}(Wreqr, _);
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// Wreqr.RequestResponse
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// ---------------------
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//
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// A simple request/response implementation. Register a
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// request handler, and return a response from it
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Wreqr.RequestResponse = function(Wreqr, _) {
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"use strict";
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return Wreqr.Handlers.extend({
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request: function(name) {
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if (this.hasHandler(name)) {
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return this.getHandler(name).apply(this, _.rest(arguments));
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}
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}
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});
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}(Wreqr, _);
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// Event Aggregator
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// ----------------
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// A pub-sub object that can be used to decouple various parts
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// of an application through event-driven architecture.
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Wreqr.EventAggregator = function(Backbone, _) {
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"use strict";
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var EA = function() {};
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// Copy the `extend` function used by Backbone's classes
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EA.extend = Backbone.Model.extend;
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// Copy the basic Backbone.Events on to the event aggregator
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_.extend(EA.prototype, Backbone.Events);
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return EA;
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}(Backbone, _);
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// Wreqr.Channel
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// --------------
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//
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// An object that wraps the three messaging systems:
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// EventAggregator, RequestResponse, Commands
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Wreqr.Channel = function(Wreqr) {
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"use strict";
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var Channel = function(channelName) {
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this.vent = new Backbone.Wreqr.EventAggregator();
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this.reqres = new Backbone.Wreqr.RequestResponse();
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this.commands = new Backbone.Wreqr.Commands();
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this.channelName = channelName;
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};
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_.extend(Channel.prototype, {
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// Remove all handlers from the messaging systems of this channel
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reset: function() {
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this.vent.off();
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this.vent.stopListening();
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this.reqres.removeAllHandlers();
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this.commands.removeAllHandlers();
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return this;
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},
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// Connect a hash of events; one for each messaging system
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connectEvents: function(hash, context) {
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this._connect("vent", hash, context);
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return this;
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},
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connectCommands: function(hash, context) {
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this._connect("commands", hash, context);
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return this;
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},
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connectRequests: function(hash, context) {
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this._connect("reqres", hash, context);
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return this;
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},
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// Attach the handlers to a given message system `type`
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_connect: function(type, hash, context) {
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if (!hash) {
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return;
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}
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context = context || this;
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var method = type === "vent" ? "on" : "setHandler";
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_.each(hash, function(fn, eventName) {
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this[type][method](eventName, _.bind(fn, context));
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}, this);
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}
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});
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return Channel;
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}(Wreqr);
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// Wreqr.Radio
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// --------------
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//
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// An object that lets you communicate with many channels.
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Wreqr.radio = function(Wreqr, _) {
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"use strict";
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var Radio = function() {
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this._channels = {};
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this.vent = {};
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this.commands = {};
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this.reqres = {};
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this._proxyMethods();
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};
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_.extend(Radio.prototype, {
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channel: function(channelName) {
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if (!channelName) {
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throw new Error("Channel must receive a name");
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}
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return this._getChannel(channelName);
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},
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_getChannel: function(channelName) {
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var channel = this._channels[channelName];
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if (!channel) {
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channel = new Wreqr.Channel(channelName);
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this._channels[channelName] = channel;
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}
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return channel;
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},
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_proxyMethods: function() {
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_.each([ "vent", "commands", "reqres" ], function(system) {
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_.each(messageSystems[system], function(method) {
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this[system][method] = proxyMethod(this, system, method);
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}, this);
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}, this);
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}
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});
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var messageSystems = {
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vent: [ "on", "off", "trigger", "once", "stopListening", "listenTo", "listenToOnce" ],
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commands: [ "execute", "setHandler", "setHandlers", "removeHandler", "removeAllHandlers" ],
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reqres: [ "request", "setHandler", "setHandlers", "removeHandler", "removeAllHandlers" ]
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};
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var proxyMethod = function(radio, system, method) {
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return function(channelName) {
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var messageSystem = radio._getChannel(channelName)[system];
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return messageSystem[method].apply(messageSystem, _.rest(arguments));
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};
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};
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return new Radio();
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}(Wreqr, _);
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return Backbone.Wreqr;
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})(Backbone, _);
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var previousMarionette = root.Marionette;
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var previousMn = root.Mn;
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var Marionette = Backbone.Marionette = {};
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Marionette.VERSION = '2.4.5';
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Marionette.noConflict = function() {
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root.Marionette = previousMarionette;
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root.Mn = previousMn;
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return this;
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};
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Backbone.Marionette = Marionette;
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// Get the Deferred creator for later use
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Marionette.Deferred = Backbone.$.Deferred;
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/* jshint unused: false *//* global console */
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// Helpers
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// -------
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// Marionette.extend
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// -----------------
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// Borrow the Backbone `extend` method so we can use it as needed
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Marionette.extend = Backbone.Model.extend;
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// Marionette.isNodeAttached
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// -------------------------
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// Determine if `el` is a child of the document
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Marionette.isNodeAttached = function(el) {
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return Backbone.$.contains(document.documentElement, el);
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};
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// Merge `keys` from `options` onto `this`
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Marionette.mergeOptions = function(options, keys) {
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if (!options) { return; }
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_.extend(this, _.pick(options, keys));
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};
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// Marionette.getOption
|
|
// --------------------
|
|
|
|
// Retrieve an object, function or other value from a target
|
|
// object or its `options`, with `options` taking precedence.
|
|
Marionette.getOption = function(target, optionName) {
|
|
if (!target || !optionName) { return; }
|
|
if (target.options && (target.options[optionName] !== undefined)) {
|
|
return target.options[optionName];
|
|
} else {
|
|
return target[optionName];
|
|
}
|
|
};
|
|
|
|
// Proxy `Marionette.getOption`
|
|
Marionette.proxyGetOption = function(optionName) {
|
|
return Marionette.getOption(this, optionName);
|
|
};
|
|
|
|
// Similar to `_.result`, this is a simple helper
|
|
// If a function is provided we call it with context
|
|
// otherwise just return the value. If the value is
|
|
// undefined return a default value
|
|
Marionette._getValue = function(value, context, params) {
|
|
if (_.isFunction(value)) {
|
|
value = params ? value.apply(context, params) : value.call(context);
|
|
}
|
|
return value;
|
|
};
|
|
|
|
// Marionette.normalizeMethods
|
|
// ----------------------
|
|
|
|
// Pass in a mapping of events => functions or function names
|
|
// and return a mapping of events => functions
|
|
Marionette.normalizeMethods = function(hash) {
|
|
return _.reduce(hash, function(normalizedHash, method, name) {
|
|
if (!_.isFunction(method)) {
|
|
method = this[method];
|
|
}
|
|
if (method) {
|
|
normalizedHash[name] = method;
|
|
}
|
|
return normalizedHash;
|
|
}, {}, this);
|
|
};
|
|
|
|
// utility method for parsing @ui. syntax strings
|
|
// into associated selector
|
|
Marionette.normalizeUIString = function(uiString, ui) {
|
|
return uiString.replace(/@ui\.[a-zA-Z-_$0-9]*/g, function(r) {
|
|
return ui[r.slice(4)];
|
|
});
|
|
};
|
|
|
|
// allows for the use of the @ui. syntax within
|
|
// a given key for triggers and events
|
|
// swaps the @ui with the associated selector.
|
|
// Returns a new, non-mutated, parsed events hash.
|
|
Marionette.normalizeUIKeys = function(hash, ui) {
|
|
return _.reduce(hash, function(memo, val, key) {
|
|
var normalizedKey = Marionette.normalizeUIString(key, ui);
|
|
memo[normalizedKey] = val;
|
|
return memo;
|
|
}, {});
|
|
};
|
|
|
|
// allows for the use of the @ui. syntax within
|
|
// a given value for regions
|
|
// swaps the @ui with the associated selector
|
|
Marionette.normalizeUIValues = function(hash, ui, properties) {
|
|
_.each(hash, function(val, key) {
|
|
if (_.isString(val)) {
|
|
hash[key] = Marionette.normalizeUIString(val, ui);
|
|
} else if (_.isObject(val) && _.isArray(properties)) {
|
|
_.extend(val, Marionette.normalizeUIValues(_.pick(val, properties), ui));
|
|
/* Value is an object, and we got an array of embedded property names to normalize. */
|
|
_.each(properties, function(property) {
|
|
var propertyVal = val[property];
|
|
if (_.isString(propertyVal)) {
|
|
val[property] = Marionette.normalizeUIString(propertyVal, ui);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
return hash;
|
|
};
|
|
|
|
// Mix in methods from Underscore, for iteration, and other
|
|
// collection related features.
|
|
// Borrowing this code from Backbone.Collection:
|
|
// http://backbonejs.org/docs/backbone.html#section-121
|
|
Marionette.actAsCollection = function(object, listProperty) {
|
|
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'];
|
|
|
|
_.each(methods, function(method) {
|
|
object[method] = function() {
|
|
var list = _.values(_.result(this, listProperty));
|
|
var args = [list].concat(_.toArray(arguments));
|
|
return _[method].apply(_, args);
|
|
};
|
|
});
|
|
};
|
|
|
|
var deprecate = Marionette.deprecate = function(message, test) {
|
|
if (_.isObject(message)) {
|
|
message = (
|
|
message.prev + ' is going to be removed in the future. ' +
|
|
'Please use ' + message.next + ' instead.' +
|
|
(message.url ? ' See: ' + message.url : '')
|
|
);
|
|
}
|
|
|
|
if ((test === undefined || !test) && !deprecate._cache[message]) {
|
|
deprecate._warn('Deprecation warning: ' + message);
|
|
deprecate._cache[message] = true;
|
|
}
|
|
};
|
|
|
|
deprecate._console = typeof console !== 'undefined' ? console : {};
|
|
deprecate._warn = function() {
|
|
var warn = deprecate._console.warn || deprecate._console.log || function() {};
|
|
return warn.apply(deprecate._console, arguments);
|
|
};
|
|
deprecate._cache = {};
|
|
|
|
/* jshint maxstatements: 14, maxcomplexity: 7 */
|
|
|
|
// Trigger Method
|
|
// --------------
|
|
|
|
Marionette._triggerMethod = (function() {
|
|
// split the event name on the ":"
|
|
var splitter = /(^|:)(\w)/gi;
|
|
|
|
// take the event section ("section1:section2:section3")
|
|
// and turn it in to uppercase name
|
|
function getEventName(match, prefix, eventName) {
|
|
return eventName.toUpperCase();
|
|
}
|
|
|
|
return function(context, event, args) {
|
|
var noEventArg = arguments.length < 3;
|
|
if (noEventArg) {
|
|
args = event;
|
|
event = args[0];
|
|
}
|
|
|
|
// get the method name from the event name
|
|
var methodName = 'on' + event.replace(splitter, getEventName);
|
|
var method = context[methodName];
|
|
var result;
|
|
|
|
// call the onMethodName if it exists
|
|
if (_.isFunction(method)) {
|
|
// pass all args, except the event name
|
|
result = method.apply(context, noEventArg ? _.rest(args) : args);
|
|
}
|
|
|
|
// trigger the event, if a trigger method exists
|
|
if (_.isFunction(context.trigger)) {
|
|
if (noEventArg + args.length > 1) {
|
|
context.trigger.apply(context, noEventArg ? args : [event].concat(_.drop(args, 0)));
|
|
} else {
|
|
context.trigger(event);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
};
|
|
})();
|
|
|
|
// Trigger an event and/or a corresponding method name. Examples:
|
|
//
|
|
// `this.triggerMethod("foo")` will trigger the "foo" event and
|
|
// call the "onFoo" method.
|
|
//
|
|
// `this.triggerMethod("foo:bar")` will trigger the "foo:bar" event and
|
|
// call the "onFooBar" method.
|
|
Marionette.triggerMethod = function(event) {
|
|
return Marionette._triggerMethod(this, arguments);
|
|
};
|
|
|
|
// triggerMethodOn invokes triggerMethod on a specific context
|
|
//
|
|
// e.g. `Marionette.triggerMethodOn(view, 'show')`
|
|
// will trigger a "show" event or invoke onShow the view.
|
|
Marionette.triggerMethodOn = function(context) {
|
|
var fnc = _.isFunction(context.triggerMethod) ?
|
|
context.triggerMethod :
|
|
Marionette.triggerMethod;
|
|
|
|
return fnc.apply(context, _.rest(arguments));
|
|
};
|
|
|
|
// DOM Refresh
|
|
// -----------
|
|
|
|
// Monitor a view's state, and after it has been rendered and shown
|
|
// in the DOM, trigger a "dom:refresh" event every time it is
|
|
// re-rendered.
|
|
|
|
Marionette.MonitorDOMRefresh = function(view) {
|
|
if (view._isDomRefreshMonitored) { return; }
|
|
view._isDomRefreshMonitored = true;
|
|
|
|
// track when the view has been shown in the DOM,
|
|
// using a Marionette.Region (or by other means of triggering "show")
|
|
function handleShow() {
|
|
view._isShown = true;
|
|
triggerDOMRefresh();
|
|
}
|
|
|
|
// track when the view has been rendered
|
|
function handleRender() {
|
|
view._isRendered = true;
|
|
triggerDOMRefresh();
|
|
}
|
|
|
|
// Trigger the "dom:refresh" event and corresponding "onDomRefresh" method
|
|
function triggerDOMRefresh() {
|
|
if (view._isShown && view._isRendered && Marionette.isNodeAttached(view.el)) {
|
|
Marionette.triggerMethodOn(view, 'dom:refresh', view);
|
|
}
|
|
}
|
|
|
|
view.on({
|
|
show: handleShow,
|
|
render: handleRender
|
|
});
|
|
};
|
|
|
|
/* jshint maxparams: 5 */
|
|
|
|
// Bind Entity Events & Unbind Entity Events
|
|
// -----------------------------------------
|
|
//
|
|
// These methods are used to bind/unbind a backbone "entity" (e.g. collection/model)
|
|
// to methods on a target object.
|
|
//
|
|
// The first parameter, `target`, must have the Backbone.Events module mixed in.
|
|
//
|
|
// The second parameter is the `entity` (Backbone.Model, Backbone.Collection or
|
|
// any object that has Backbone.Events mixed in) to bind the events from.
|
|
//
|
|
// The third parameter is a hash of { "event:name": "eventHandler" }
|
|
// configuration. Multiple handlers can be separated by a space. A
|
|
// function can be supplied instead of a string handler name.
|
|
|
|
(function(Marionette) {
|
|
'use strict';
|
|
|
|
// Bind the event to handlers specified as a string of
|
|
// handler names on the target object
|
|
function bindFromStrings(target, entity, evt, methods) {
|
|
var methodNames = methods.split(/\s+/);
|
|
|
|
_.each(methodNames, function(methodName) {
|
|
|
|
var method = target[methodName];
|
|
if (!method) {
|
|
throw new Marionette.Error('Method "' + methodName +
|
|
'" was configured as an event handler, but does not exist.');
|
|
}
|
|
|
|
target.listenTo(entity, evt, method);
|
|
});
|
|
}
|
|
|
|
// Bind the event to a supplied callback function
|
|
function bindToFunction(target, entity, evt, method) {
|
|
target.listenTo(entity, evt, method);
|
|
}
|
|
|
|
// Bind the event to handlers specified as a string of
|
|
// handler names on the target object
|
|
function unbindFromStrings(target, entity, evt, methods) {
|
|
var methodNames = methods.split(/\s+/);
|
|
|
|
_.each(methodNames, function(methodName) {
|
|
var method = target[methodName];
|
|
target.stopListening(entity, evt, method);
|
|
});
|
|
}
|
|
|
|
// Bind the event to a supplied callback function
|
|
function unbindToFunction(target, entity, evt, method) {
|
|
target.stopListening(entity, evt, method);
|
|
}
|
|
|
|
// generic looping function
|
|
function iterateEvents(target, entity, bindings, functionCallback, stringCallback) {
|
|
if (!entity || !bindings) { return; }
|
|
|
|
// type-check bindings
|
|
if (!_.isObject(bindings)) {
|
|
throw new Marionette.Error({
|
|
message: 'Bindings must be an object or function.',
|
|
url: 'marionette.functions.html#marionettebindentityevents'
|
|
});
|
|
}
|
|
|
|
// allow the bindings to be a function
|
|
bindings = Marionette._getValue(bindings, target);
|
|
|
|
// iterate the bindings and bind them
|
|
_.each(bindings, function(methods, evt) {
|
|
|
|
// allow for a function as the handler,
|
|
// or a list of event names as a string
|
|
if (_.isFunction(methods)) {
|
|
functionCallback(target, entity, evt, methods);
|
|
} else {
|
|
stringCallback(target, entity, evt, methods);
|
|
}
|
|
|
|
});
|
|
}
|
|
|
|
// Export Public API
|
|
Marionette.bindEntityEvents = function(target, entity, bindings) {
|
|
iterateEvents(target, entity, bindings, bindToFunction, bindFromStrings);
|
|
};
|
|
|
|
Marionette.unbindEntityEvents = function(target, entity, bindings) {
|
|
iterateEvents(target, entity, bindings, unbindToFunction, unbindFromStrings);
|
|
};
|
|
|
|
// Proxy `bindEntityEvents`
|
|
Marionette.proxyBindEntityEvents = function(entity, bindings) {
|
|
return Marionette.bindEntityEvents(this, entity, bindings);
|
|
};
|
|
|
|
// Proxy `unbindEntityEvents`
|
|
Marionette.proxyUnbindEntityEvents = function(entity, bindings) {
|
|
return Marionette.unbindEntityEvents(this, entity, bindings);
|
|
};
|
|
})(Marionette);
|
|
|
|
|
|
// Error
|
|
// -----
|
|
|
|
var errorProps = ['description', 'fileName', 'lineNumber', 'name', 'message', 'number'];
|
|
|
|
Marionette.Error = Marionette.extend.call(Error, {
|
|
urlRoot: 'http://marionettejs.com/docs/v' + Marionette.VERSION + '/',
|
|
|
|
constructor: function(message, options) {
|
|
if (_.isObject(message)) {
|
|
options = message;
|
|
message = options.message;
|
|
} else if (!options) {
|
|
options = {};
|
|
}
|
|
|
|
var error = Error.call(this, message);
|
|
_.extend(this, _.pick(error, errorProps), _.pick(options, errorProps));
|
|
|
|
this.captureStackTrace();
|
|
|
|
if (options.url) {
|
|
this.url = this.urlRoot + options.url;
|
|
}
|
|
},
|
|
|
|
captureStackTrace: function() {
|
|
if (Error.captureStackTrace) {
|
|
Error.captureStackTrace(this, Marionette.Error);
|
|
}
|
|
},
|
|
|
|
toString: function() {
|
|
return this.name + ': ' + this.message + (this.url ? ' See: ' + this.url : '');
|
|
}
|
|
});
|
|
|
|
Marionette.Error.extend = Marionette.extend;
|
|
|
|
// Callbacks
|
|
// ---------
|
|
|
|
// A simple way of managing a collection of callbacks
|
|
// and executing them at a later point in time, using jQuery's
|
|
// `Deferred` object.
|
|
Marionette.Callbacks = function() {
|
|
this._deferred = Marionette.Deferred();
|
|
this._callbacks = [];
|
|
};
|
|
|
|
_.extend(Marionette.Callbacks.prototype, {
|
|
|
|
// Add a callback to be executed. Callbacks added here are
|
|
// guaranteed to execute, even if they are added after the
|
|
// `run` method is called.
|
|
add: function(callback, contextOverride) {
|
|
var promise = _.result(this._deferred, 'promise');
|
|
|
|
this._callbacks.push({cb: callback, ctx: contextOverride});
|
|
|
|
promise.then(function(args) {
|
|
if (contextOverride) { args.context = contextOverride; }
|
|
callback.call(args.context, args.options);
|
|
});
|
|
},
|
|
|
|
// Run all registered callbacks with the context specified.
|
|
// Additional callbacks can be added after this has been run
|
|
// and they will still be executed.
|
|
run: function(options, context) {
|
|
this._deferred.resolve({
|
|
options: options,
|
|
context: context
|
|
});
|
|
},
|
|
|
|
// Resets the list of callbacks to be run, allowing the same list
|
|
// to be run multiple times - whenever the `run` method is called.
|
|
reset: function() {
|
|
var callbacks = this._callbacks;
|
|
this._deferred = Marionette.Deferred();
|
|
this._callbacks = [];
|
|
|
|
_.each(callbacks, function(cb) {
|
|
this.add(cb.cb, cb.ctx);
|
|
}, this);
|
|
}
|
|
});
|
|
|
|
// Controller
|
|
// ----------
|
|
|
|
// A multi-purpose object to use as a controller for
|
|
// modules and routers, and as a mediator for workflow
|
|
// and coordination of other objects, views, and more.
|
|
Marionette.Controller = function(options) {
|
|
this.options = options || {};
|
|
|
|
if (_.isFunction(this.initialize)) {
|
|
this.initialize(this.options);
|
|
}
|
|
};
|
|
|
|
Marionette.Controller.extend = Marionette.extend;
|
|
|
|
// Controller Methods
|
|
// --------------
|
|
|
|
// Ensure it can trigger events with Backbone.Events
|
|
_.extend(Marionette.Controller.prototype, Backbone.Events, {
|
|
destroy: function() {
|
|
Marionette._triggerMethod(this, 'before:destroy', arguments);
|
|
Marionette._triggerMethod(this, 'destroy', arguments);
|
|
|
|
this.stopListening();
|
|
this.off();
|
|
return this;
|
|
},
|
|
|
|
// import the `triggerMethod` to trigger events with corresponding
|
|
// methods if the method exists
|
|
triggerMethod: Marionette.triggerMethod,
|
|
|
|
// A handy way to merge options onto the instance
|
|
mergeOptions: Marionette.mergeOptions,
|
|
|
|
// Proxy `getOption` to enable getting options from this or this.options by name.
|
|
getOption: Marionette.proxyGetOption
|
|
|
|
});
|
|
|
|
// Object
|
|
// ------
|
|
|
|
// A Base Class that other Classes should descend from.
|
|
// Object borrows many conventions and utilities from Backbone.
|
|
Marionette.Object = function(options) {
|
|
this.options = _.extend({}, _.result(this, 'options'), options);
|
|
|
|
this.initialize.apply(this, arguments);
|
|
};
|
|
|
|
Marionette.Object.extend = Marionette.extend;
|
|
|
|
// Object Methods
|
|
// --------------
|
|
|
|
// Ensure it can trigger events with Backbone.Events
|
|
_.extend(Marionette.Object.prototype, Backbone.Events, {
|
|
|
|
//this is a noop method intended to be overridden by classes that extend from this base
|
|
initialize: function() {},
|
|
|
|
destroy: function(options) {
|
|
options = options || {};
|
|
|
|
this.triggerMethod('before:destroy', options);
|
|
this.triggerMethod('destroy', options);
|
|
this.stopListening();
|
|
|
|
return this;
|
|
},
|
|
|
|
// Import the `triggerMethod` to trigger events with corresponding
|
|
// methods if the method exists
|
|
triggerMethod: Marionette.triggerMethod,
|
|
|
|
// A handy way to merge options onto the instance
|
|
mergeOptions: Marionette.mergeOptions,
|
|
|
|
// Proxy `getOption` to enable getting options from this or this.options by name.
|
|
getOption: Marionette.proxyGetOption,
|
|
|
|
// Proxy `bindEntityEvents` to enable binding view's events from another entity.
|
|
bindEntityEvents: Marionette.proxyBindEntityEvents,
|
|
|
|
// Proxy `unbindEntityEvents` to enable unbinding view's events from another entity.
|
|
unbindEntityEvents: Marionette.proxyUnbindEntityEvents
|
|
});
|
|
|
|
/* jshint maxcomplexity: 16, maxstatements: 45, maxlen: 120 */
|
|
|
|
// Region
|
|
// ------
|
|
|
|
// Manage the visual regions of your composite application. See
|
|
// http://lostechies.com/derickbailey/2011/12/12/composite-js-apps-regions-and-region-managers/
|
|
|
|
Marionette.Region = Marionette.Object.extend({
|
|
constructor: function(options) {
|
|
|
|
// set options temporarily so that we can get `el`.
|
|
// options will be overriden by Object.constructor
|
|
this.options = options || {};
|
|
this.el = this.getOption('el');
|
|
|
|
// Handle when this.el is passed in as a $ wrapped element.
|
|
this.el = this.el instanceof Backbone.$ ? this.el[0] : this.el;
|
|
|
|
if (!this.el) {
|
|
throw new Marionette.Error({
|
|
name: 'NoElError',
|
|
message: 'An "el" must be specified for a region.'
|
|
});
|
|
}
|
|
|
|
this.$el = this.getEl(this.el);
|
|
Marionette.Object.call(this, options);
|
|
},
|
|
|
|
// Displays a backbone view instance inside of the region.
|
|
// Handles calling the `render` method for you. Reads content
|
|
// directly from the `el` attribute. Also calls an optional
|
|
// `onShow` and `onDestroy` method on your view, just after showing
|
|
// or just before destroying the view, respectively.
|
|
// The `preventDestroy` option can be used to prevent a view from
|
|
// the old view being destroyed on show.
|
|
// The `forceShow` option can be used to force a view to be
|
|
// re-rendered if it's already shown in the region.
|
|
show: function(view, options) {
|
|
if (!this._ensureElement()) {
|
|
return;
|
|
}
|
|
|
|
this._ensureViewIsIntact(view);
|
|
Marionette.MonitorDOMRefresh(view);
|
|
|
|
var showOptions = options || {};
|
|
var isDifferentView = view !== this.currentView;
|
|
var preventDestroy = !!showOptions.preventDestroy;
|
|
var forceShow = !!showOptions.forceShow;
|
|
|
|
// We are only changing the view if there is a current view to change to begin with
|
|
var isChangingView = !!this.currentView;
|
|
|
|
// Only destroy the current view if we don't want to `preventDestroy` and if
|
|
// the view given in the first argument is different than `currentView`
|
|
var _shouldDestroyView = isDifferentView && !preventDestroy;
|
|
|
|
// Only show the view given in the first argument if it is different than
|
|
// the current view or if we want to re-show the view. Note that if
|
|
// `_shouldDestroyView` is true, then `_shouldShowView` is also necessarily true.
|
|
var _shouldShowView = isDifferentView || forceShow;
|
|
|
|
if (isChangingView) {
|
|
this.triggerMethod('before:swapOut', this.currentView, this, options);
|
|
}
|
|
|
|
if (this.currentView && isDifferentView) {
|
|
delete this.currentView._parent;
|
|
}
|
|
|
|
if (_shouldDestroyView) {
|
|
this.empty();
|
|
|
|
// A `destroy` event is attached to the clean up manually removed views.
|
|
// We need to detach this event when a new view is going to be shown as it
|
|
// is no longer relevant.
|
|
} else if (isChangingView && _shouldShowView) {
|
|
this.currentView.off('destroy', this.empty, this);
|
|
}
|
|
|
|
if (_shouldShowView) {
|
|
|
|
// We need to listen for if a view is destroyed
|
|
// in a way other than through the region.
|
|
// If this happens we need to remove the reference
|
|
// to the currentView since once a view has been destroyed
|
|
// we can not reuse it.
|
|
view.once('destroy', this.empty, this);
|
|
|
|
// make this region the view's parent,
|
|
// It's important that this parent binding happens before rendering
|
|
// so that any events the child may trigger during render can also be
|
|
// triggered on the child's ancestor views
|
|
view._parent = this;
|
|
this._renderView(view);
|
|
|
|
if (isChangingView) {
|
|
this.triggerMethod('before:swap', view, this, options);
|
|
}
|
|
|
|
this.triggerMethod('before:show', view, this, options);
|
|
Marionette.triggerMethodOn(view, 'before:show', view, this, options);
|
|
|
|
if (isChangingView) {
|
|
this.triggerMethod('swapOut', this.currentView, this, options);
|
|
}
|
|
|
|
// An array of views that we're about to display
|
|
var attachedRegion = Marionette.isNodeAttached(this.el);
|
|
|
|
// The views that we're about to attach to the document
|
|
// It's important that we prevent _getNestedViews from being executed unnecessarily
|
|
// as it's a potentially-slow method
|
|
var displayedViews = [];
|
|
|
|
var attachOptions = _.extend({
|
|
triggerBeforeAttach: this.triggerBeforeAttach,
|
|
triggerAttach: this.triggerAttach
|
|
}, showOptions);
|
|
|
|
if (attachedRegion && attachOptions.triggerBeforeAttach) {
|
|
displayedViews = this._displayedViews(view);
|
|
this._triggerAttach(displayedViews, 'before:');
|
|
}
|
|
|
|
this.attachHtml(view);
|
|
this.currentView = view;
|
|
|
|
if (attachedRegion && attachOptions.triggerAttach) {
|
|
displayedViews = this._displayedViews(view);
|
|
this._triggerAttach(displayedViews);
|
|
}
|
|
|
|
if (isChangingView) {
|
|
this.triggerMethod('swap', view, this, options);
|
|
}
|
|
|
|
this.triggerMethod('show', view, this, options);
|
|
Marionette.triggerMethodOn(view, 'show', view, this, options);
|
|
|
|
return this;
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
triggerBeforeAttach: true,
|
|
triggerAttach: true,
|
|
|
|
_triggerAttach: function(views, prefix) {
|
|
var eventName = (prefix || '') + 'attach';
|
|
_.each(views, function(view) {
|
|
Marionette.triggerMethodOn(view, eventName, view, this);
|
|
}, this);
|
|
},
|
|
|
|
_displayedViews: function(view) {
|
|
return _.union([view], _.result(view, '_getNestedViews') || []);
|
|
},
|
|
|
|
_renderView: function(view) {
|
|
if (!view.supportsRenderLifecycle) {
|
|
Marionette.triggerMethodOn(view, 'before:render', view);
|
|
}
|
|
view.render();
|
|
if (!view.supportsRenderLifecycle) {
|
|
Marionette.triggerMethodOn(view, 'render', view);
|
|
}
|
|
},
|
|
|
|
_ensureElement: function() {
|
|
if (!_.isObject(this.el)) {
|
|
this.$el = this.getEl(this.el);
|
|
this.el = this.$el[0];
|
|
}
|
|
|
|
if (!this.$el || this.$el.length === 0) {
|
|
if (this.getOption('allowMissingEl')) {
|
|
return false;
|
|
} else {
|
|
throw new Marionette.Error('An "el" ' + this.$el.selector + ' must exist in DOM');
|
|
}
|
|
}
|
|
return true;
|
|
},
|
|
|
|
_ensureViewIsIntact: function(view) {
|
|
if (!view) {
|
|
throw new Marionette.Error({
|
|
name: 'ViewNotValid',
|
|
message: 'The view passed is undefined and therefore invalid. You must pass a view instance to show.'
|
|
});
|
|
}
|
|
|
|
if (view.isDestroyed) {
|
|
throw new Marionette.Error({
|
|
name: 'ViewDestroyedError',
|
|
message: 'View (cid: "' + view.cid + '") has already been destroyed and cannot be used.'
|
|
});
|
|
}
|
|
},
|
|
|
|
// Override this method to change how the region finds the DOM
|
|
// element that it manages. Return a jQuery selector object scoped
|
|
// to a provided parent el or the document if none exists.
|
|
getEl: function(el) {
|
|
return Backbone.$(el, Marionette._getValue(this.options.parentEl, this));
|
|
},
|
|
|
|
// Override this method to change how the new view is
|
|
// appended to the `$el` that the region is managing
|
|
attachHtml: function(view) {
|
|
this.$el.contents().detach();
|
|
|
|
this.el.appendChild(view.el);
|
|
},
|
|
|
|
// Destroy the current view, if there is one. If there is no
|
|
// current view, it does nothing and returns immediately.
|
|
empty: function(options) {
|
|
var view = this.currentView;
|
|
|
|
var emptyOptions = options || {};
|
|
var preventDestroy = !!emptyOptions.preventDestroy;
|
|
// If there is no view in the region
|
|
// we should not remove anything
|
|
if (!view) { return this; }
|
|
|
|
view.off('destroy', this.empty, this);
|
|
this.triggerMethod('before:empty', view);
|
|
if (!preventDestroy) {
|
|
this._destroyView();
|
|
}
|
|
this.triggerMethod('empty', view);
|
|
|
|
// Remove region pointer to the currentView
|
|
delete this.currentView;
|
|
|
|
if (preventDestroy) {
|
|
this.$el.contents().detach();
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
// call 'destroy' or 'remove', depending on which is found
|
|
// on the view (if showing a raw Backbone view or a Marionette View)
|
|
_destroyView: function() {
|
|
var view = this.currentView;
|
|
if (view.isDestroyed) { return; }
|
|
|
|
if (!view.supportsDestroyLifecycle) {
|
|
Marionette.triggerMethodOn(view, 'before:destroy', view);
|
|
}
|
|
if (view.destroy) {
|
|
view.destroy();
|
|
} else {
|
|
view.remove();
|
|
|
|
// appending isDestroyed to raw Backbone View allows regions
|
|
// to throw a ViewDestroyedError for this view
|
|
view.isDestroyed = true;
|
|
}
|
|
if (!view.supportsDestroyLifecycle) {
|
|
Marionette.triggerMethodOn(view, 'destroy', view);
|
|
}
|
|
},
|
|
|
|
// Attach an existing view to the region. This
|
|
// will not call `render` or `onShow` for the new view,
|
|
// and will not replace the current HTML for the `el`
|
|
// of the region.
|
|
attachView: function(view) {
|
|
if (this.currentView) {
|
|
delete this.currentView._parent;
|
|
}
|
|
view._parent = this;
|
|
this.currentView = view;
|
|
return this;
|
|
},
|
|
|
|
// Checks whether a view is currently present within
|
|
// the region. Returns `true` if there is and `false` if
|
|
// no view is present.
|
|
hasView: function() {
|
|
return !!this.currentView;
|
|
},
|
|
|
|
// Reset the region by destroying any existing view and
|
|
// clearing out the cached `$el`. The next time a view
|
|
// is shown via this region, the region will re-query the
|
|
// DOM for the region's `el`.
|
|
reset: function() {
|
|
this.empty();
|
|
|
|
if (this.$el) {
|
|
// 2020-12-20 Changed for compatibility with jQuery 3.
|
|
this.el = this.options.el;
|
|
}
|
|
|
|
delete this.$el;
|
|
return this;
|
|
}
|
|
|
|
},
|
|
|
|
// Static Methods
|
|
{
|
|
|
|
// Build an instance of a region by passing in a configuration object
|
|
// and a default region class to use if none is specified in the config.
|
|
//
|
|
// The config object should either be a string as a jQuery DOM selector,
|
|
// a Region class directly, or an object literal that specifies a selector,
|
|
// a custom regionClass, and any options to be supplied to the region:
|
|
//
|
|
// ```js
|
|
// {
|
|
// selector: "#foo",
|
|
// regionClass: MyCustomRegion,
|
|
// allowMissingEl: false
|
|
// }
|
|
// ```
|
|
//
|
|
buildRegion: function(regionConfig, DefaultRegionClass) {
|
|
if (_.isString(regionConfig)) {
|
|
return this._buildRegionFromSelector(regionConfig, DefaultRegionClass);
|
|
}
|
|
|
|
if (regionConfig.selector || regionConfig.el || regionConfig.regionClass) {
|
|
return this._buildRegionFromObject(regionConfig, DefaultRegionClass);
|
|
}
|
|
|
|
if (_.isFunction(regionConfig)) {
|
|
return this._buildRegionFromRegionClass(regionConfig);
|
|
}
|
|
|
|
throw new Marionette.Error({
|
|
message: 'Improper region configuration type.',
|
|
url: 'marionette.region.html#region-configuration-types'
|
|
});
|
|
},
|
|
|
|
// Build the region from a string selector like '#foo-region'
|
|
_buildRegionFromSelector: function(selector, DefaultRegionClass) {
|
|
return new DefaultRegionClass({el: selector});
|
|
},
|
|
|
|
// Build the region from a configuration object
|
|
// ```js
|
|
// { selector: '#foo', regionClass: FooRegion, allowMissingEl: false }
|
|
// ```
|
|
_buildRegionFromObject: function(regionConfig, DefaultRegionClass) {
|
|
var RegionClass = regionConfig.regionClass || DefaultRegionClass;
|
|
var options = _.omit(regionConfig, 'selector', 'regionClass');
|
|
|
|
if (regionConfig.selector && !options.el) {
|
|
options.el = regionConfig.selector;
|
|
}
|
|
|
|
return new RegionClass(options);
|
|
},
|
|
|
|
// Build the region directly from a given `RegionClass`
|
|
_buildRegionFromRegionClass: function(RegionClass) {
|
|
return new RegionClass();
|
|
}
|
|
});
|
|
|
|
// Region Manager
|
|
// --------------
|
|
|
|
// Manage one or more related `Marionette.Region` objects.
|
|
Marionette.RegionManager = Marionette.Controller.extend({
|
|
constructor: function(options) {
|
|
this._regions = {};
|
|
this.length = 0;
|
|
|
|
Marionette.Controller.call(this, options);
|
|
|
|
this.addRegions(this.getOption('regions'));
|
|
},
|
|
|
|
// Add multiple regions using an object literal or a
|
|
// function that returns an object literal, where
|
|
// each key becomes the region name, and each value is
|
|
// the region definition.
|
|
addRegions: function(regionDefinitions, defaults) {
|
|
regionDefinitions = Marionette._getValue(regionDefinitions, this, arguments);
|
|
|
|
return _.reduce(regionDefinitions, function(regions, definition, name) {
|
|
if (_.isString(definition)) {
|
|
definition = {selector: definition};
|
|
}
|
|
if (definition.selector) {
|
|
definition = _.defaults({}, definition, defaults);
|
|
}
|
|
|
|
regions[name] = this.addRegion(name, definition);
|
|
return regions;
|
|
}, {}, this);
|
|
},
|
|
|
|
// Add an individual region to the region manager,
|
|
// and return the region instance
|
|
addRegion: function(name, definition) {
|
|
var region;
|
|
|
|
if (definition instanceof Marionette.Region) {
|
|
region = definition;
|
|
} else {
|
|
region = Marionette.Region.buildRegion(definition, Marionette.Region);
|
|
}
|
|
|
|
this.triggerMethod('before:add:region', name, region);
|
|
|
|
region._parent = this;
|
|
this._store(name, region);
|
|
|
|
this.triggerMethod('add:region', name, region);
|
|
return region;
|
|
},
|
|
|
|
// Get a region by name
|
|
get: function(name) {
|
|
return this._regions[name];
|
|
},
|
|
|
|
// Gets all the regions contained within
|
|
// the `regionManager` instance.
|
|
getRegions: function() {
|
|
return _.clone(this._regions);
|
|
},
|
|
|
|
// Remove a region by name
|
|
removeRegion: function(name) {
|
|
var region = this._regions[name];
|
|
this._remove(name, region);
|
|
|
|
return region;
|
|
},
|
|
|
|
// Empty all regions in the region manager, and
|
|
// remove them
|
|
removeRegions: function() {
|
|
var regions = this.getRegions();
|
|
_.each(this._regions, function(region, name) {
|
|
this._remove(name, region);
|
|
}, this);
|
|
|
|
return regions;
|
|
},
|
|
|
|
// Empty all regions in the region manager, but
|
|
// leave them attached
|
|
emptyRegions: function() {
|
|
var regions = this.getRegions();
|
|
_.invoke(regions, 'empty');
|
|
return regions;
|
|
},
|
|
|
|
// Destroy all regions and shut down the region
|
|
// manager entirely
|
|
destroy: function() {
|
|
this.removeRegions();
|
|
return Marionette.Controller.prototype.destroy.apply(this, arguments);
|
|
},
|
|
|
|
// internal method to store regions
|
|
_store: function(name, region) {
|
|
if (!this._regions[name]) {
|
|
this.length++;
|
|
}
|
|
|
|
this._regions[name] = region;
|
|
},
|
|
|
|
// internal method to remove a region
|
|
_remove: function(name, region) {
|
|
this.triggerMethod('before:remove:region', name, region);
|
|
region.empty();
|
|
region.stopListening();
|
|
|
|
delete region._parent;
|
|
delete this._regions[name];
|
|
this.length--;
|
|
this.triggerMethod('remove:region', name, region);
|
|
}
|
|
});
|
|
|
|
Marionette.actAsCollection(Marionette.RegionManager.prototype, '_regions');
|
|
|
|
|
|
// Template Cache
|
|
// --------------
|
|
|
|
// Manage templates stored in `<script>` blocks,
|
|
// caching them for faster access.
|
|
Marionette.TemplateCache = function(templateId) {
|
|
this.templateId = templateId;
|
|
};
|
|
|
|
// TemplateCache object-level methods. Manage the template
|
|
// caches from these method calls instead of creating
|
|
// your own TemplateCache instances
|
|
_.extend(Marionette.TemplateCache, {
|
|
templateCaches: {},
|
|
|
|
// Get the specified template by id. Either
|
|
// retrieves the cached version, or loads it
|
|
// from the DOM.
|
|
get: function(templateId, options) {
|
|
var cachedTemplate = this.templateCaches[templateId];
|
|
|
|
if (!cachedTemplate) {
|
|
cachedTemplate = new Marionette.TemplateCache(templateId);
|
|
this.templateCaches[templateId] = cachedTemplate;
|
|
}
|
|
|
|
return cachedTemplate.load(options);
|
|
},
|
|
|
|
// Clear templates from the cache. If no arguments
|
|
// are specified, clears all templates:
|
|
// `clear()`
|
|
//
|
|
// If arguments are specified, clears each of the
|
|
// specified templates from the cache:
|
|
// `clear("#t1", "#t2", "...")`
|
|
clear: function() {
|
|
var i;
|
|
var args = _.toArray(arguments);
|
|
var length = args.length;
|
|
|
|
if (length > 0) {
|
|
for (i = 0; i < length; i++) {
|
|
delete this.templateCaches[args[i]];
|
|
}
|
|
} else {
|
|
this.templateCaches = {};
|
|
}
|
|
}
|
|
});
|
|
|
|
// TemplateCache instance methods, allowing each
|
|
// template cache object to manage its own state
|
|
// and know whether or not it has been loaded
|
|
_.extend(Marionette.TemplateCache.prototype, {
|
|
|
|
// Internal method to load the template
|
|
load: function(options) {
|
|
// Guard clause to prevent loading this template more than once
|
|
if (this.compiledTemplate) {
|
|
return this.compiledTemplate;
|
|
}
|
|
|
|
// Load the template and compile it
|
|
var template = this.loadTemplate(this.templateId, options);
|
|
this.compiledTemplate = this.compileTemplate(template, options);
|
|
|
|
return this.compiledTemplate;
|
|
},
|
|
|
|
// Load a template from the DOM, by default. Override
|
|
// this method to provide your own template retrieval
|
|
// For asynchronous loading with AMD/RequireJS, consider
|
|
// using a template-loader plugin as described here:
|
|
// https://github.com/marionettejs/backbone.marionette/wiki/Using-marionette-with-requirejs
|
|
loadTemplate: function(templateId, options) {
|
|
var $template = Backbone.$(templateId);
|
|
|
|
if (!$template.length) {
|
|
throw new Marionette.Error({
|
|
name: 'NoTemplateError',
|
|
message: 'Could not find template: "' + templateId + '"'
|
|
});
|
|
}
|
|
return $template.html();
|
|
},
|
|
|
|
// Pre-compile the template before caching it. Override
|
|
// this method if you do not need to pre-compile a template
|
|
// (JST / RequireJS for example) or if you want to change
|
|
// the template engine used (Handebars, etc).
|
|
compileTemplate: function(rawTemplate, options) {
|
|
return _.template(rawTemplate, options);
|
|
}
|
|
});
|
|
|
|
// Renderer
|
|
// --------
|
|
|
|
// Render a template with data by passing in the template
|
|
// selector and the data to render.
|
|
Marionette.Renderer = {
|
|
|
|
// Render a template with data. The `template` parameter is
|
|
// passed to the `TemplateCache` object to retrieve the
|
|
// template function. Override this method to provide your own
|
|
// custom rendering and template handling for all of Marionette.
|
|
render: function(template, data) {
|
|
if (!template) {
|
|
throw new Marionette.Error({
|
|
name: 'TemplateNotFoundError',
|
|
message: 'Cannot render the template since its false, null or undefined.'
|
|
});
|
|
}
|
|
|
|
var templateFunc = _.isFunction(template) ? template : Marionette.TemplateCache.get(template);
|
|
|
|
return templateFunc(data);
|
|
}
|
|
};
|
|
|
|
|
|
/* jshint maxlen: 114, nonew: false */
|
|
// View
|
|
// ----
|
|
|
|
// The core view class that other Marionette views extend from.
|
|
Marionette.View = Backbone.View.extend({
|
|
isDestroyed: false,
|
|
supportsRenderLifecycle: true,
|
|
supportsDestroyLifecycle: true,
|
|
|
|
constructor: function(options) {
|
|
this.render = _.bind(this.render, this);
|
|
|
|
options = Marionette._getValue(options, this);
|
|
|
|
// this exposes view options to the view initializer
|
|
// this is a backfill since backbone removed the assignment
|
|
// of this.options
|
|
// at some point however this may be removed
|
|
this.options = _.extend({}, _.result(this, 'options'), options);
|
|
|
|
this._behaviors = Marionette.Behaviors(this);
|
|
|
|
Backbone.View.call(this, this.options);
|
|
|
|
Marionette.MonitorDOMRefresh(this);
|
|
},
|
|
|
|
// Get the template for this view
|
|
// instance. You can set a `template` attribute in the view
|
|
// definition or pass a `template: "whatever"` parameter in
|
|
// to the constructor options.
|
|
getTemplate: function() {
|
|
return this.getOption('template');
|
|
},
|
|
|
|
// Serialize a model by returning its attributes. Clones
|
|
// the attributes to allow modification.
|
|
serializeModel: function(model) {
|
|
return model.toJSON.apply(model, _.rest(arguments));
|
|
},
|
|
|
|
// Mix in template helper methods. Looks for a
|
|
// `templateHelpers` attribute, which can either be an
|
|
// object literal, or a function that returns an object
|
|
// literal. All methods and attributes from this object
|
|
// are copies to the object passed in.
|
|
mixinTemplateHelpers: function(target) {
|
|
target = target || {};
|
|
var templateHelpers = this.getOption('templateHelpers');
|
|
templateHelpers = Marionette._getValue(templateHelpers, this);
|
|
return _.extend(target, templateHelpers);
|
|
},
|
|
|
|
// normalize the keys of passed hash with the views `ui` selectors.
|
|
// `{"@ui.foo": "bar"}`
|
|
normalizeUIKeys: function(hash) {
|
|
var uiBindings = _.result(this, '_uiBindings');
|
|
return Marionette.normalizeUIKeys(hash, uiBindings || _.result(this, 'ui'));
|
|
},
|
|
|
|
// normalize the values of passed hash with the views `ui` selectors.
|
|
// `{foo: "@ui.bar"}`
|
|
normalizeUIValues: function(hash, properties) {
|
|
var ui = _.result(this, 'ui');
|
|
var uiBindings = _.result(this, '_uiBindings');
|
|
return Marionette.normalizeUIValues(hash, uiBindings || ui, properties);
|
|
},
|
|
|
|
// Configure `triggers` to forward DOM events to view
|
|
// events. `triggers: {"click .foo": "do:foo"}`
|
|
configureTriggers: function() {
|
|
if (!this.triggers) { return; }
|
|
|
|
// Allow `triggers` to be configured as a function
|
|
var triggers = this.normalizeUIKeys(_.result(this, 'triggers'));
|
|
|
|
// Configure the triggers, prevent default
|
|
// action and stop propagation of DOM events
|
|
return _.reduce(triggers, function(events, value, key) {
|
|
events[key] = this._buildViewTrigger(value);
|
|
return events;
|
|
}, {}, this);
|
|
},
|
|
|
|
// Overriding Backbone.View's delegateEvents to handle
|
|
// the `triggers`, `modelEvents`, and `collectionEvents` configuration
|
|
delegateEvents: function(events) {
|
|
this._delegateDOMEvents(events);
|
|
this.bindEntityEvents(this.model, this.getOption('modelEvents'));
|
|
this.bindEntityEvents(this.collection, this.getOption('collectionEvents'));
|
|
|
|
_.each(this._behaviors, function(behavior) {
|
|
behavior.bindEntityEvents(this.model, behavior.getOption('modelEvents'));
|
|
behavior.bindEntityEvents(this.collection, behavior.getOption('collectionEvents'));
|
|
}, this);
|
|
|
|
return this;
|
|
},
|
|
|
|
// internal method to delegate DOM events and triggers
|
|
_delegateDOMEvents: function(eventsArg) {
|
|
var events = Marionette._getValue(eventsArg || this.events, this);
|
|
|
|
// normalize ui keys
|
|
events = this.normalizeUIKeys(events);
|
|
if (_.isUndefined(eventsArg)) {this.events = events;}
|
|
|
|
var combinedEvents = {};
|
|
|
|
// look up if this view has behavior events
|
|
var behaviorEvents = _.result(this, 'behaviorEvents') || {};
|
|
var triggers = this.configureTriggers();
|
|
var behaviorTriggers = _.result(this, 'behaviorTriggers') || {};
|
|
|
|
// behavior events will be overriden by view events and or triggers
|
|
_.extend(combinedEvents, behaviorEvents, events, triggers, behaviorTriggers);
|
|
|
|
Backbone.View.prototype.delegateEvents.call(this, combinedEvents);
|
|
},
|
|
|
|
// Overriding Backbone.View's undelegateEvents to handle unbinding
|
|
// the `triggers`, `modelEvents`, and `collectionEvents` config
|
|
undelegateEvents: function() {
|
|
Backbone.View.prototype.undelegateEvents.apply(this, arguments);
|
|
|
|
this.unbindEntityEvents(this.model, this.getOption('modelEvents'));
|
|
this.unbindEntityEvents(this.collection, this.getOption('collectionEvents'));
|
|
|
|
_.each(this._behaviors, function(behavior) {
|
|
behavior.unbindEntityEvents(this.model, behavior.getOption('modelEvents'));
|
|
behavior.unbindEntityEvents(this.collection, behavior.getOption('collectionEvents'));
|
|
}, this);
|
|
|
|
return this;
|
|
},
|
|
|
|
// Internal helper method to verify whether the view hasn't been destroyed
|
|
_ensureViewIsIntact: function() {
|
|
if (this.isDestroyed) {
|
|
throw new Marionette.Error({
|
|
name: 'ViewDestroyedError',
|
|
message: 'View (cid: "' + this.cid + '") has already been destroyed and cannot be used.'
|
|
});
|
|
}
|
|
},
|
|
|
|
// Default `destroy` implementation, for removing a view from the
|
|
// DOM and unbinding it. Regions will call this method
|
|
// for you. You can specify an `onDestroy` method in your view to
|
|
// add custom code that is called after the view is destroyed.
|
|
destroy: function() {
|
|
if (this.isDestroyed) { return this; }
|
|
|
|
var args = _.toArray(arguments);
|
|
|
|
this.triggerMethod.apply(this, ['before:destroy'].concat(args));
|
|
|
|
// mark as destroyed before doing the actual destroy, to
|
|
// prevent infinite loops within "destroy" event handlers
|
|
// that are trying to destroy other views
|
|
this.isDestroyed = true;
|
|
this.triggerMethod.apply(this, ['destroy'].concat(args));
|
|
|
|
// unbind UI elements
|
|
this.unbindUIElements();
|
|
|
|
this.isRendered = false;
|
|
|
|
// remove the view from the DOM
|
|
this.remove();
|
|
|
|
// Call destroy on each behavior after
|
|
// destroying the view.
|
|
// This unbinds event listeners
|
|
// that behaviors have registered for.
|
|
_.invoke(this._behaviors, 'destroy', args);
|
|
|
|
return this;
|
|
},
|
|
|
|
bindUIElements: function() {
|
|
this._bindUIElements();
|
|
_.invoke(this._behaviors, this._bindUIElements);
|
|
},
|
|
|
|
// This method binds the elements specified in the "ui" hash inside the view's code with
|
|
// the associated jQuery selectors.
|
|
_bindUIElements: function() {
|
|
if (!this.ui) { return; }
|
|
|
|
// store the ui hash in _uiBindings so they can be reset later
|
|
// and so re-rendering the view will be able to find the bindings
|
|
if (!this._uiBindings) {
|
|
this._uiBindings = this.ui;
|
|
}
|
|
|
|
// get the bindings result, as a function or otherwise
|
|
var bindings = _.result(this, '_uiBindings');
|
|
|
|
// empty the ui so we don't have anything to start with
|
|
this.ui = {};
|
|
|
|
// bind each of the selectors
|
|
_.each(bindings, function(selector, key) {
|
|
this.ui[key] = this.$(selector);
|
|
}, this);
|
|
},
|
|
|
|
// This method unbinds the elements specified in the "ui" hash
|
|
unbindUIElements: function() {
|
|
this._unbindUIElements();
|
|
_.invoke(this._behaviors, this._unbindUIElements);
|
|
},
|
|
|
|
_unbindUIElements: function() {
|
|
if (!this.ui || !this._uiBindings) { return; }
|
|
|
|
// delete all of the existing ui bindings
|
|
_.each(this.ui, function($el, name) {
|
|
delete this.ui[name];
|
|
}, this);
|
|
|
|
// reset the ui element to the original bindings configuration
|
|
this.ui = this._uiBindings;
|
|
delete this._uiBindings;
|
|
},
|
|
|
|
// Internal method to create an event handler for a given `triggerDef` like
|
|
// 'click:foo'
|
|
_buildViewTrigger: function(triggerDef) {
|
|
|
|
var options = _.defaults({}, triggerDef, {
|
|
preventDefault: true,
|
|
stopPropagation: true
|
|
});
|
|
|
|
var eventName = _.isObject(triggerDef) ? options.event : triggerDef;
|
|
|
|
return function(e) {
|
|
if (e) {
|
|
if (e.preventDefault && options.preventDefault) {
|
|
e.preventDefault();
|
|
}
|
|
|
|
if (e.stopPropagation && options.stopPropagation) {
|
|
e.stopPropagation();
|
|
}
|
|
}
|
|
|
|
var args = {
|
|
view: this,
|
|
model: this.model,
|
|
collection: this.collection
|
|
};
|
|
|
|
this.triggerMethod(eventName, args);
|
|
};
|
|
},
|
|
|
|
setElement: function() {
|
|
var ret = Backbone.View.prototype.setElement.apply(this, arguments);
|
|
|
|
// proxy behavior $el to the view's $el.
|
|
// This is needed because a view's $el proxy
|
|
// is not set until after setElement is called.
|
|
_.invoke(this._behaviors, 'proxyViewProperties', this);
|
|
|
|
return ret;
|
|
},
|
|
|
|
// import the `triggerMethod` to trigger events with corresponding
|
|
// methods if the method exists
|
|
triggerMethod: function() {
|
|
var ret = Marionette._triggerMethod(this, arguments);
|
|
|
|
this._triggerEventOnBehaviors(arguments);
|
|
this._triggerEventOnParentLayout(arguments[0], _.rest(arguments));
|
|
|
|
return ret;
|
|
},
|
|
|
|
_triggerEventOnBehaviors: function(args) {
|
|
var triggerMethod = Marionette._triggerMethod;
|
|
var behaviors = this._behaviors;
|
|
// Use good ol' for as this is a very hot function
|
|
for (var i = 0, length = behaviors && behaviors.length; i < length; i++) {
|
|
triggerMethod(behaviors[i], args);
|
|
}
|
|
},
|
|
|
|
_triggerEventOnParentLayout: function(eventName, args) {
|
|
var layoutView = this._parentLayoutView();
|
|
if (!layoutView) {
|
|
return;
|
|
}
|
|
|
|
// invoke triggerMethod on parent view
|
|
var eventPrefix = Marionette.getOption(layoutView, 'childViewEventPrefix');
|
|
var prefixedEventName = eventPrefix + ':' + eventName;
|
|
var callArgs = [this].concat(args);
|
|
|
|
Marionette._triggerMethod(layoutView, prefixedEventName, callArgs);
|
|
|
|
// call the parent view's childEvents handler
|
|
var childEvents = Marionette.getOption(layoutView, 'childEvents');
|
|
|
|
// since childEvents can be an object or a function use Marionette._getValue
|
|
// to handle the abstaction for us.
|
|
childEvents = Marionette._getValue(childEvents, layoutView);
|
|
var normalizedChildEvents = layoutView.normalizeMethods(childEvents);
|
|
|
|
if (normalizedChildEvents && _.isFunction(normalizedChildEvents[eventName])) {
|
|
normalizedChildEvents[eventName].apply(layoutView, callArgs);
|
|
}
|
|
},
|
|
|
|
// This method returns any views that are immediate
|
|
// children of this view
|
|
_getImmediateChildren: function() {
|
|
return [];
|
|
},
|
|
|
|
// Returns an array of every nested view within this view
|
|
_getNestedViews: function() {
|
|
var children = this._getImmediateChildren();
|
|
|
|
if (!children.length) { return children; }
|
|
|
|
return _.reduce(children, function(memo, view) {
|
|
if (!view._getNestedViews) { return memo; }
|
|
return memo.concat(view._getNestedViews());
|
|
}, children);
|
|
},
|
|
|
|
// Walk the _parent tree until we find a layout view (if one exists).
|
|
// Returns the parent layout view hierarchically closest to this view.
|
|
_parentLayoutView: function() {
|
|
var parent = this._parent;
|
|
|
|
while (parent) {
|
|
if (parent instanceof Marionette.LayoutView) {
|
|
return parent;
|
|
}
|
|
parent = parent._parent;
|
|
}
|
|
},
|
|
|
|
// Imports the "normalizeMethods" to transform hashes of
|
|
// events=>function references/names to a hash of events=>function references
|
|
normalizeMethods: Marionette.normalizeMethods,
|
|
|
|
// A handy way to merge passed-in options onto the instance
|
|
mergeOptions: Marionette.mergeOptions,
|
|
|
|
// Proxy `getOption` to enable getting options from this or this.options by name.
|
|
getOption: Marionette.proxyGetOption,
|
|
|
|
// Proxy `bindEntityEvents` to enable binding view's events from another entity.
|
|
bindEntityEvents: Marionette.proxyBindEntityEvents,
|
|
|
|
// Proxy `unbindEntityEvents` to enable unbinding view's events from another entity.
|
|
unbindEntityEvents: Marionette.proxyUnbindEntityEvents
|
|
});
|
|
|
|
// Item View
|
|
// ---------
|
|
|
|
// A single item view implementation that contains code for rendering
|
|
// with underscore.js templates, serializing the view's model or collection,
|
|
// and calling several methods on extended views, such as `onRender`.
|
|
Marionette.ItemView = Marionette.View.extend({
|
|
|
|
// Setting up the inheritance chain which allows changes to
|
|
// Marionette.View.prototype.constructor which allows overriding
|
|
constructor: function() {
|
|
Marionette.View.apply(this, arguments);
|
|
},
|
|
|
|
// Serialize the model or collection for the view. If a model is
|
|
// found, the view's `serializeModel` is called. If a collection is found,
|
|
// each model in the collection is serialized by calling
|
|
// the view's `serializeCollection` and put into an `items` array in
|
|
// the resulting data. If both are found, defaults to the model.
|
|
// You can override the `serializeData` method in your own view definition,
|
|
// to provide custom serialization for your view's data.
|
|
serializeData: function() {
|
|
if (!this.model && !this.collection) {
|
|
return {};
|
|
}
|
|
|
|
var args = [this.model || this.collection];
|
|
if (arguments.length) {
|
|
args.push.apply(args, arguments);
|
|
}
|
|
|
|
if (this.model) {
|
|
return this.serializeModel.apply(this, args);
|
|
} else {
|
|
return {
|
|
items: this.serializeCollection.apply(this, args)
|
|
};
|
|
}
|
|
},
|
|
|
|
// Serialize a collection by serializing each of its models.
|
|
serializeCollection: function(collection) {
|
|
return collection.toJSON.apply(collection, _.rest(arguments));
|
|
},
|
|
|
|
// Render the view, defaulting to underscore.js templates.
|
|
// You can override this in your view definition to provide
|
|
// a very specific rendering for your view. In general, though,
|
|
// you should override the `Marionette.Renderer` object to
|
|
// change how Marionette renders views.
|
|
render: function() {
|
|
this._ensureViewIsIntact();
|
|
|
|
this.triggerMethod('before:render', this);
|
|
|
|
this._renderTemplate();
|
|
this.isRendered = true;
|
|
this.bindUIElements();
|
|
|
|
this.triggerMethod('render', this);
|
|
|
|
return this;
|
|
},
|
|
|
|
// Internal method to render the template with the serialized data
|
|
// and template helpers via the `Marionette.Renderer` object.
|
|
// Throws an `UndefinedTemplateError` error if the template is
|
|
// any falsely value but literal `false`.
|
|
_renderTemplate: function() {
|
|
var template = this.getTemplate();
|
|
|
|
// Allow template-less item views
|
|
if (template === false) {
|
|
return;
|
|
}
|
|
|
|
if (!template) {
|
|
throw new Marionette.Error({
|
|
name: 'UndefinedTemplateError',
|
|
message: 'Cannot render the template since it is null or undefined.'
|
|
});
|
|
}
|
|
|
|
// Add in entity data and template helpers
|
|
var data = this.mixinTemplateHelpers(this.serializeData());
|
|
|
|
// Render and add to el
|
|
var html = Marionette.Renderer.render(template, data, this);
|
|
this.attachElContent(html);
|
|
|
|
return this;
|
|
},
|
|
|
|
// Attaches the content of a given view.
|
|
// This method can be overridden to optimize rendering,
|
|
// or to render in a non standard way.
|
|
//
|
|
// For example, using `innerHTML` instead of `$el.html`
|
|
//
|
|
// ```js
|
|
// attachElContent: function(html) {
|
|
// this.el.innerHTML = html;
|
|
// return this;
|
|
// }
|
|
// ```
|
|
attachElContent: function(html) {
|
|
this.$el.html(html);
|
|
|
|
return this;
|
|
}
|
|
});
|
|
|
|
/* jshint maxstatements: 20, maxcomplexity: 7 */
|
|
|
|
// Collection View
|
|
// ---------------
|
|
|
|
// A view that iterates over a Backbone.Collection
|
|
// and renders an individual child view for each model.
|
|
Marionette.CollectionView = Marionette.View.extend({
|
|
|
|
// used as the prefix for child view events
|
|
// that are forwarded through the collectionview
|
|
childViewEventPrefix: 'childview',
|
|
|
|
// flag for maintaining the sorted order of the collection
|
|
sort: true,
|
|
|
|
// constructor
|
|
// option to pass `{sort: false}` to prevent the `CollectionView` from
|
|
// maintaining the sorted order of the collection.
|
|
// This will fallback onto appending childView's to the end.
|
|
//
|
|
// option to pass `{comparator: compFunction()}` to allow the `CollectionView`
|
|
// to use a custom sort order for the collection.
|
|
constructor: function(options) {
|
|
this.once('render', this._initialEvents);
|
|
this._initChildViewStorage();
|
|
|
|
Marionette.View.apply(this, arguments);
|
|
|
|
this.on({
|
|
'before:show': this._onBeforeShowCalled,
|
|
'show': this._onShowCalled,
|
|
'before:attach': this._onBeforeAttachCalled,
|
|
'attach': this._onAttachCalled
|
|
});
|
|
this.initRenderBuffer();
|
|
},
|
|
|
|
// Instead of inserting elements one by one into the page,
|
|
// it's much more performant to insert elements into a document
|
|
// fragment and then insert that document fragment into the page
|
|
initRenderBuffer: function() {
|
|
this._bufferedChildren = [];
|
|
},
|
|
|
|
startBuffering: function() {
|
|
this.initRenderBuffer();
|
|
this.isBuffering = true;
|
|
},
|
|
|
|
endBuffering: function() {
|
|
// Only trigger attach if already shown and attached, otherwise Region#show() handles this.
|
|
var canTriggerAttach = this._isShown && Marionette.isNodeAttached(this.el);
|
|
var nestedViews;
|
|
|
|
this.isBuffering = false;
|
|
|
|
if (this._isShown) {
|
|
this._triggerMethodMany(this._bufferedChildren, this, 'before:show');
|
|
}
|
|
if (canTriggerAttach && this._triggerBeforeAttach) {
|
|
nestedViews = this._getNestedViews();
|
|
this._triggerMethodMany(nestedViews, this, 'before:attach');
|
|
}
|
|
|
|
this.attachBuffer(this, this._createBuffer());
|
|
|
|
if (canTriggerAttach && this._triggerAttach) {
|
|
nestedViews = this._getNestedViews();
|
|
this._triggerMethodMany(nestedViews, this, 'attach');
|
|
}
|
|
if (this._isShown) {
|
|
this._triggerMethodMany(this._bufferedChildren, this, 'show');
|
|
}
|
|
this.initRenderBuffer();
|
|
},
|
|
|
|
_triggerMethodMany: function(targets, source, eventName) {
|
|
var args = _.drop(arguments, 3);
|
|
|
|
_.each(targets, function(target) {
|
|
Marionette.triggerMethodOn.apply(target, [target, eventName, target, source].concat(args));
|
|
});
|
|
},
|
|
|
|
// Configured the initial events that the collection view
|
|
// binds to.
|
|
_initialEvents: function() {
|
|
if (this.collection) {
|
|
this.listenTo(this.collection, 'add', this._onCollectionAdd);
|
|
this.listenTo(this.collection, 'remove', this._onCollectionRemove);
|
|
this.listenTo(this.collection, 'reset', this.render);
|
|
|
|
if (this.getOption('sort')) {
|
|
this.listenTo(this.collection, 'sort', this._sortViews);
|
|
}
|
|
}
|
|
},
|
|
|
|
// Handle a child added to the collection
|
|
_onCollectionAdd: function(child, collection, opts) {
|
|
// `index` is present when adding with `at` since BB 1.2; indexOf fallback for < 1.2
|
|
var index = opts.at !== undefined && (opts.index || collection.indexOf(child));
|
|
|
|
// When filtered or when there is no initial index, calculate index.
|
|
if (this.getOption('filter') || index === false) {
|
|
index = _.indexOf(this._filteredSortedModels(index), child);
|
|
}
|
|
|
|
if (this._shouldAddChild(child, index)) {
|
|
this.destroyEmptyView();
|
|
var ChildView = this.getChildView(child);
|
|
this.addChild(child, ChildView, index);
|
|
}
|
|
},
|
|
|
|
// get the child view by model it holds, and remove it
|
|
_onCollectionRemove: function(model) {
|
|
var view = this.children.findByModel(model);
|
|
this.removeChildView(view);
|
|
this.checkEmpty();
|
|
},
|
|
|
|
_onBeforeShowCalled: function() {
|
|
// Reset attach event flags at the top of the Region#show() event lifecycle; if the Region's
|
|
// show() options permit onBeforeAttach/onAttach events, these flags will be set true again.
|
|
this._triggerBeforeAttach = this._triggerAttach = false;
|
|
this.children.each(function(childView) {
|
|
Marionette.triggerMethodOn(childView, 'before:show', childView);
|
|
});
|
|
},
|
|
|
|
_onShowCalled: function() {
|
|
this.children.each(function(childView) {
|
|
Marionette.triggerMethodOn(childView, 'show', childView);
|
|
});
|
|
},
|
|
|
|
// If during Region#show() onBeforeAttach was fired, continue firing it for child views
|
|
_onBeforeAttachCalled: function() {
|
|
this._triggerBeforeAttach = true;
|
|
},
|
|
|
|
// If during Region#show() onAttach was fired, continue firing it for child views
|
|
_onAttachCalled: function() {
|
|
this._triggerAttach = true;
|
|
},
|
|
|
|
// Render children views. Override this method to
|
|
// provide your own implementation of a render function for
|
|
// the collection view.
|
|
render: function() {
|
|
this._ensureViewIsIntact();
|
|
this.triggerMethod('before:render', this);
|
|
this._renderChildren();
|
|
this.isRendered = true;
|
|
this.triggerMethod('render', this);
|
|
return this;
|
|
},
|
|
|
|
// Reorder DOM after sorting. When your element's rendering
|
|
// do not use their index, you can pass reorderOnSort: true
|
|
// to only reorder the DOM after a sort instead of rendering
|
|
// all the collectionView
|
|
reorder: function() {
|
|
var children = this.children;
|
|
var models = this._filteredSortedModels();
|
|
var anyModelsAdded = _.some(models, function(model) {
|
|
return !children.findByModel(model);
|
|
});
|
|
|
|
// If there are any new models added due to filtering
|
|
// We need to add child views
|
|
// So render as normal
|
|
if (anyModelsAdded) {
|
|
this.render();
|
|
} else {
|
|
// get the DOM nodes in the same order as the models
|
|
var elsToReorder = _.map(models, function(model, index) {
|
|
var view = children.findByModel(model);
|
|
view._index = index;
|
|
return view.el;
|
|
});
|
|
|
|
// find the views that were children before but arent in this new ordering
|
|
var filteredOutViews = children.filter(function(view) {
|
|
return !_.contains(elsToReorder, view.el);
|
|
});
|
|
|
|
this.triggerMethod('before:reorder');
|
|
|
|
// since append moves elements that are already in the DOM,
|
|
// appending the elements will effectively reorder them
|
|
this._appendReorderedChildren(elsToReorder);
|
|
|
|
// remove any views that have been filtered out
|
|
_.each(filteredOutViews, this.removeChildView, this);
|
|
this.checkEmpty();
|
|
|
|
this.triggerMethod('reorder');
|
|
}
|
|
},
|
|
|
|
// Render view after sorting. Override this method to
|
|
// change how the view renders after a `sort` on the collection.
|
|
// An example of this would be to only `renderChildren` in a `CompositeView`
|
|
// rather than the full view.
|
|
resortView: function() {
|
|
if (Marionette.getOption(this, 'reorderOnSort')) {
|
|
this.reorder();
|
|
} else {
|
|
this.render();
|
|
}
|
|
},
|
|
|
|
// Internal method. This checks for any changes in the order of the collection.
|
|
// If the index of any view doesn't match, it will render.
|
|
_sortViews: function() {
|
|
var models = this._filteredSortedModels();
|
|
|
|
// check for any changes in sort order of views
|
|
var orderChanged = _.find(models, function(item, index) {
|
|
var view = this.children.findByModel(item);
|
|
return !view || view._index !== index;
|
|
}, this);
|
|
|
|
if (orderChanged) {
|
|
this.resortView();
|
|
}
|
|
},
|
|
|
|
// Internal reference to what index a `emptyView` is.
|
|
_emptyViewIndex: -1,
|
|
|
|
// Internal method. Separated so that CompositeView can append to the childViewContainer
|
|
// if necessary
|
|
_appendReorderedChildren: function(children) {
|
|
this.$el.append(children);
|
|
},
|
|
|
|
// Internal method. Separated so that CompositeView can have
|
|
// more control over events being triggered, around the rendering
|
|
// process
|
|
_renderChildren: function() {
|
|
this.destroyEmptyView();
|
|
this.destroyChildren({checkEmpty: false});
|
|
|
|
if (this.isEmpty(this.collection)) {
|
|
this.showEmptyView();
|
|
} else {
|
|
this.triggerMethod('before:render:collection', this);
|
|
this.startBuffering();
|
|
this.showCollection();
|
|
this.endBuffering();
|
|
this.triggerMethod('render:collection', this);
|
|
|
|
// If we have shown children and none have passed the filter, show the empty view
|
|
if (this.children.isEmpty() && this.getOption('filter')) {
|
|
this.showEmptyView();
|
|
}
|
|
}
|
|
},
|
|
|
|
// Internal method to loop through collection and show each child view.
|
|
showCollection: function() {
|
|
var ChildView;
|
|
|
|
var models = this._filteredSortedModels();
|
|
|
|
_.each(models, function(child, index) {
|
|
ChildView = this.getChildView(child);
|
|
this.addChild(child, ChildView, index);
|
|
}, this);
|
|
},
|
|
|
|
// Allow the collection to be sorted by a custom view comparator
|
|
_filteredSortedModels: function(addedAt) {
|
|
var viewComparator = this.getViewComparator();
|
|
var models = this.collection.models;
|
|
addedAt = Math.min(Math.max(addedAt, 0), models.length - 1);
|
|
|
|
if (viewComparator) {
|
|
var addedModel;
|
|
// Preserve `at` location, even for a sorted view
|
|
if (addedAt) {
|
|
addedModel = models[addedAt];
|
|
models = models.slice(0, addedAt).concat(models.slice(addedAt + 1));
|
|
}
|
|
models = this._sortModelsBy(models, viewComparator);
|
|
if (addedModel) {
|
|
models.splice(addedAt, 0, addedModel);
|
|
}
|
|
}
|
|
|
|
// Filter after sorting in case the filter uses the index
|
|
if (this.getOption('filter')) {
|
|
models = _.filter(models, function(model, index) {
|
|
return this._shouldAddChild(model, index);
|
|
}, this);
|
|
}
|
|
|
|
return models;
|
|
},
|
|
|
|
_sortModelsBy: function(models, comparator) {
|
|
if (typeof comparator === 'string') {
|
|
return _.sortBy(models, function(model) {
|
|
return model.get(comparator);
|
|
}, this);
|
|
} else if (comparator.length === 1) {
|
|
return _.sortBy(models, comparator, this);
|
|
} else {
|
|
return models.sort(_.bind(comparator, this));
|
|
}
|
|
},
|
|
|
|
// Internal method to show an empty view in place of
|
|
// a collection of child views, when the collection is empty
|
|
showEmptyView: function() {
|
|
var EmptyView = this.getEmptyView();
|
|
|
|
if (EmptyView && !this._showingEmptyView) {
|
|
this.triggerMethod('before:render:empty');
|
|
|
|
this._showingEmptyView = true;
|
|
var model = new Backbone.Model();
|
|
this.addEmptyView(model, EmptyView);
|
|
|
|
this.triggerMethod('render:empty');
|
|
}
|
|
},
|
|
|
|
// Internal method to destroy an existing emptyView instance
|
|
// if one exists. Called when a collection view has been
|
|
// rendered empty, and then a child is added to the collection.
|
|
destroyEmptyView: function() {
|
|
if (this._showingEmptyView) {
|
|
this.triggerMethod('before:remove:empty');
|
|
|
|
this.destroyChildren();
|
|
delete this._showingEmptyView;
|
|
|
|
this.triggerMethod('remove:empty');
|
|
}
|
|
},
|
|
|
|
// Retrieve the empty view class
|
|
getEmptyView: function() {
|
|
return this.getOption('emptyView');
|
|
},
|
|
|
|
// Render and show the emptyView. Similar to addChild method
|
|
// but "add:child" events are not fired, and the event from
|
|
// emptyView are not forwarded
|
|
addEmptyView: function(child, EmptyView) {
|
|
// Only trigger attach if already shown, attached, and not buffering, otherwise endBuffer() or
|
|
// Region#show() handles this.
|
|
var canTriggerAttach = this._isShown && !this.isBuffering && Marionette.isNodeAttached(this.el);
|
|
var nestedViews;
|
|
|
|
// get the emptyViewOptions, falling back to childViewOptions
|
|
var emptyViewOptions = this.getOption('emptyViewOptions') ||
|
|
this.getOption('childViewOptions');
|
|
|
|
if (_.isFunction(emptyViewOptions)) {
|
|
emptyViewOptions = emptyViewOptions.call(this, child, this._emptyViewIndex);
|
|
}
|
|
|
|
// build the empty view
|
|
var view = this.buildChildView(child, EmptyView, emptyViewOptions);
|
|
|
|
view._parent = this;
|
|
|
|
// Proxy emptyView events
|
|
this.proxyChildEvents(view);
|
|
|
|
view.once('render', function() {
|
|
// trigger the 'before:show' event on `view` if the collection view has already been shown
|
|
if (this._isShown) {
|
|
Marionette.triggerMethodOn(view, 'before:show', view);
|
|
}
|
|
|
|
// Trigger `before:attach` following `render` to avoid adding logic and event triggers
|
|
// to public method `renderChildView()`.
|
|
if (canTriggerAttach && this._triggerBeforeAttach) {
|
|
nestedViews = this._getViewAndNested(view);
|
|
this._triggerMethodMany(nestedViews, this, 'before:attach');
|
|
}
|
|
}, this);
|
|
|
|
// Store the `emptyView` like a `childView` so we can properly remove and/or close it later
|
|
this.children.add(view);
|
|
this.renderChildView(view, this._emptyViewIndex);
|
|
|
|
// Trigger `attach`
|
|
if (canTriggerAttach && this._triggerAttach) {
|
|
nestedViews = this._getViewAndNested(view);
|
|
this._triggerMethodMany(nestedViews, this, 'attach');
|
|
}
|
|
// call the 'show' method if the collection view has already been shown
|
|
if (this._isShown) {
|
|
Marionette.triggerMethodOn(view, 'show', view);
|
|
}
|
|
},
|
|
|
|
// Retrieve the `childView` class, either from `this.options.childView`
|
|
// or from the `childView` in the object definition. The "options"
|
|
// takes precedence.
|
|
// This method receives the model that will be passed to the instance
|
|
// created from this `childView`. Overriding methods may use the child
|
|
// to determine what `childView` class to return.
|
|
getChildView: function(child) {
|
|
var childView = this.getOption('childView');
|
|
|
|
if (!childView) {
|
|
throw new Marionette.Error({
|
|
name: 'NoChildViewError',
|
|
message: 'A "childView" must be specified'
|
|
});
|
|
}
|
|
|
|
return childView;
|
|
},
|
|
|
|
// Render the child's view and add it to the
|
|
// HTML for the collection view at a given index.
|
|
// This will also update the indices of later views in the collection
|
|
// in order to keep the children in sync with the collection.
|
|
addChild: function(child, ChildView, index) {
|
|
var childViewOptions = this.getOption('childViewOptions');
|
|
childViewOptions = Marionette._getValue(childViewOptions, this, [child, index]);
|
|
|
|
var view = this.buildChildView(child, ChildView, childViewOptions);
|
|
|
|
// increment indices of views after this one
|
|
this._updateIndices(view, true, index);
|
|
|
|
this.triggerMethod('before:add:child', view);
|
|
this._addChildView(view, index);
|
|
this.triggerMethod('add:child', view);
|
|
|
|
view._parent = this;
|
|
|
|
return view;
|
|
},
|
|
|
|
// Internal method. This decrements or increments the indices of views after the
|
|
// added/removed view to keep in sync with the collection.
|
|
_updateIndices: function(view, increment, index) {
|
|
if (!this.getOption('sort')) {
|
|
return;
|
|
}
|
|
|
|
if (increment) {
|
|
// assign the index to the view
|
|
view._index = index;
|
|
}
|
|
|
|
// update the indexes of views after this one
|
|
this.children.each(function(laterView) {
|
|
if (laterView._index >= view._index) {
|
|
laterView._index += increment ? 1 : -1;
|
|
}
|
|
});
|
|
},
|
|
|
|
// Internal Method. Add the view to children and render it at
|
|
// the given index.
|
|
_addChildView: function(view, index) {
|
|
// Only trigger attach if already shown, attached, and not buffering, otherwise endBuffer() or
|
|
// Region#show() handles this.
|
|
var canTriggerAttach = this._isShown && !this.isBuffering && Marionette.isNodeAttached(this.el);
|
|
var nestedViews;
|
|
|
|
// set up the child view event forwarding
|
|
this.proxyChildEvents(view);
|
|
|
|
view.once('render', function() {
|
|
// trigger the 'before:show' event on `view` if the collection view has already been shown
|
|
if (this._isShown && !this.isBuffering) {
|
|
Marionette.triggerMethodOn(view, 'before:show', view);
|
|
}
|
|
|
|
// Trigger `before:attach` following `render` to avoid adding logic and event triggers
|
|
// to public method `renderChildView()`.
|
|
if (canTriggerAttach && this._triggerBeforeAttach) {
|
|
nestedViews = this._getViewAndNested(view);
|
|
this._triggerMethodMany(nestedViews, this, 'before:attach');
|
|
}
|
|
}, this);
|
|
|
|
// Store the child view itself so we can properly remove and/or destroy it later
|
|
this.children.add(view);
|
|
this.renderChildView(view, index);
|
|
|
|
// Trigger `attach`
|
|
if (canTriggerAttach && this._triggerAttach) {
|
|
nestedViews = this._getViewAndNested(view);
|
|
this._triggerMethodMany(nestedViews, this, 'attach');
|
|
}
|
|
// Trigger `show`
|
|
if (this._isShown && !this.isBuffering) {
|
|
Marionette.triggerMethodOn(view, 'show', view);
|
|
}
|
|
},
|
|
|
|
// render the child view
|
|
renderChildView: function(view, index) {
|
|
if (!view.supportsRenderLifecycle) {
|
|
Marionette.triggerMethodOn(view, 'before:render', view);
|
|
}
|
|
view.render();
|
|
if (!view.supportsRenderLifecycle) {
|
|
Marionette.triggerMethodOn(view, 'render', view);
|
|
}
|
|
this.attachHtml(this, view, index);
|
|
return view;
|
|
},
|
|
|
|
// Build a `childView` for a model in the collection.
|
|
buildChildView: function(child, ChildViewClass, childViewOptions) {
|
|
var options = _.extend({model: child}, childViewOptions);
|
|
var childView = new ChildViewClass(options);
|
|
Marionette.MonitorDOMRefresh(childView);
|
|
return childView;
|
|
},
|
|
|
|
// Remove the child view and destroy it.
|
|
// This function also updates the indices of
|
|
// later views in the collection in order to keep
|
|
// the children in sync with the collection.
|
|
removeChildView: function(view) {
|
|
if (!view) { return view; }
|
|
|
|
this.triggerMethod('before:remove:child', view);
|
|
|
|
if (!view.supportsDestroyLifecycle) {
|
|
Marionette.triggerMethodOn(view, 'before:destroy', view);
|
|
}
|
|
// call 'destroy' or 'remove', depending on which is found
|
|
if (view.destroy) {
|
|
view.destroy();
|
|
} else {
|
|
view.remove();
|
|
}
|
|
if (!view.supportsDestroyLifecycle) {
|
|
Marionette.triggerMethodOn(view, 'destroy', view);
|
|
}
|
|
|
|
delete view._parent;
|
|
this.stopListening(view);
|
|
this.children.remove(view);
|
|
this.triggerMethod('remove:child', view);
|
|
|
|
// decrement the index of views after this one
|
|
this._updateIndices(view, false);
|
|
|
|
return view;
|
|
},
|
|
|
|
// check if the collection is empty
|
|
isEmpty: function() {
|
|
return !this.collection || this.collection.length === 0;
|
|
},
|
|
|
|
// If empty, show the empty view
|
|
checkEmpty: function() {
|
|
if (this.isEmpty(this.collection)) {
|
|
this.showEmptyView();
|
|
}
|
|
},
|
|
|
|
// You might need to override this if you've overridden attachHtml
|
|
attachBuffer: function(collectionView, buffer) {
|
|
collectionView.$el.append(buffer);
|
|
},
|
|
|
|
// Create a fragment buffer from the currently buffered children
|
|
_createBuffer: function() {
|
|
var elBuffer = document.createDocumentFragment();
|
|
_.each(this._bufferedChildren, function(b) {
|
|
elBuffer.appendChild(b.el);
|
|
});
|
|
return elBuffer;
|
|
},
|
|
|
|
// Append the HTML to the collection's `el`.
|
|
// Override this method to do something other
|
|
// than `.append`.
|
|
attachHtml: function(collectionView, childView, index) {
|
|
if (collectionView.isBuffering) {
|
|
// buffering happens on reset events and initial renders
|
|
// in order to reduce the number of inserts into the
|
|
// document, which are expensive.
|
|
collectionView._bufferedChildren.splice(index, 0, childView);
|
|
} else {
|
|
// If we've already rendered the main collection, append
|
|
// the new child into the correct order if we need to. Otherwise
|
|
// append to the end.
|
|
if (!collectionView._insertBefore(childView, index)) {
|
|
collectionView._insertAfter(childView);
|
|
}
|
|
}
|
|
},
|
|
|
|
// Internal method. Check whether we need to insert the view into
|
|
// the correct position.
|
|
_insertBefore: function(childView, index) {
|
|
var currentView;
|
|
var findPosition = this.getOption('sort') && (index < this.children.length - 1);
|
|
if (findPosition) {
|
|
// Find the view after this one
|
|
currentView = this.children.find(function(view) {
|
|
return view._index === index + 1;
|
|
});
|
|
}
|
|
|
|
if (currentView) {
|
|
currentView.$el.before(childView.el);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
// Internal method. Append a view to the end of the $el
|
|
_insertAfter: function(childView) {
|
|
this.$el.append(childView.el);
|
|
},
|
|
|
|
// Internal method to set up the `children` object for
|
|
// storing all of the child views
|
|
_initChildViewStorage: function() {
|
|
this.children = new Backbone.ChildViewContainer();
|
|
},
|
|
|
|
// Handle cleanup and other destroying needs for the collection of views
|
|
destroy: function() {
|
|
if (this.isDestroyed) { return this; }
|
|
|
|
this.triggerMethod('before:destroy:collection');
|
|
this.destroyChildren({checkEmpty: false});
|
|
this.triggerMethod('destroy:collection');
|
|
|
|
return Marionette.View.prototype.destroy.apply(this, arguments);
|
|
},
|
|
|
|
// Destroy the child views that this collection view
|
|
// is holding on to, if any
|
|
destroyChildren: function(options) {
|
|
var destroyOptions = options || {};
|
|
var shouldCheckEmpty = true;
|
|
var childViews = this.children.map(_.identity);
|
|
|
|
if (!_.isUndefined(destroyOptions.checkEmpty)) {
|
|
shouldCheckEmpty = destroyOptions.checkEmpty;
|
|
}
|
|
|
|
this.children.each(this.removeChildView, this);
|
|
|
|
if (shouldCheckEmpty) {
|
|
this.checkEmpty();
|
|
}
|
|
return childViews;
|
|
},
|
|
|
|
// Return true if the given child should be shown
|
|
// Return false otherwise
|
|
// The filter will be passed (child, index, collection)
|
|
// Where
|
|
// 'child' is the given model
|
|
// 'index' is the index of that model in the collection
|
|
// 'collection' is the collection referenced by this CollectionView
|
|
_shouldAddChild: function(child, index) {
|
|
var filter = this.getOption('filter');
|
|
return !_.isFunction(filter) || filter.call(this, child, index, this.collection);
|
|
},
|
|
|
|
// Set up the child view event forwarding. Uses a "childview:"
|
|
// prefix in front of all forwarded events.
|
|
proxyChildEvents: function(view) {
|
|
var prefix = this.getOption('childViewEventPrefix');
|
|
|
|
// Forward all child view events through the parent,
|
|
// prepending "childview:" to the event name
|
|
this.listenTo(view, 'all', function() {
|
|
var args = _.toArray(arguments);
|
|
var rootEvent = args[0];
|
|
var childEvents = this.normalizeMethods(_.result(this, 'childEvents'));
|
|
|
|
args[0] = prefix + ':' + rootEvent;
|
|
args.splice(1, 0, view);
|
|
|
|
// call collectionView childEvent if defined
|
|
if (typeof childEvents !== 'undefined' && _.isFunction(childEvents[rootEvent])) {
|
|
childEvents[rootEvent].apply(this, args.slice(1));
|
|
}
|
|
|
|
this.triggerMethod.apply(this, args);
|
|
});
|
|
},
|
|
|
|
_getImmediateChildren: function() {
|
|
return _.values(this.children._views);
|
|
},
|
|
|
|
_getViewAndNested: function(view) {
|
|
// This will not fail on Backbone.View which does not have #_getNestedViews.
|
|
return [view].concat(_.result(view, '_getNestedViews') || []);
|
|
},
|
|
|
|
getViewComparator: function() {
|
|
return this.getOption('viewComparator');
|
|
}
|
|
});
|
|
|
|
/* jshint maxstatements: 17, maxlen: 117 */
|
|
|
|
// Composite View
|
|
// --------------
|
|
|
|
// Used for rendering a branch-leaf, hierarchical structure.
|
|
// Extends directly from CollectionView and also renders an
|
|
// a child view as `modelView`, for the top leaf
|
|
Marionette.CompositeView = Marionette.CollectionView.extend({
|
|
|
|
// Setting up the inheritance chain which allows changes to
|
|
// Marionette.CollectionView.prototype.constructor which allows overriding
|
|
// option to pass '{sort: false}' to prevent the CompositeView from
|
|
// maintaining the sorted order of the collection.
|
|
// This will fallback onto appending childView's to the end.
|
|
constructor: function() {
|
|
Marionette.CollectionView.apply(this, arguments);
|
|
},
|
|
|
|
// Configured the initial events that the composite view
|
|
// binds to. Override this method to prevent the initial
|
|
// events, or to add your own initial events.
|
|
_initialEvents: function() {
|
|
|
|
// Bind only after composite view is rendered to avoid adding child views
|
|
// to nonexistent childViewContainer
|
|
|
|
if (this.collection) {
|
|
this.listenTo(this.collection, 'add', this._onCollectionAdd);
|
|
this.listenTo(this.collection, 'remove', this._onCollectionRemove);
|
|
this.listenTo(this.collection, 'reset', this._renderChildren);
|
|
|
|
if (this.getOption('sort')) {
|
|
this.listenTo(this.collection, 'sort', this._sortViews);
|
|
}
|
|
}
|
|
},
|
|
|
|
// Retrieve the `childView` to be used when rendering each of
|
|
// the items in the collection. The default is to return
|
|
// `this.childView` or Marionette.CompositeView if no `childView`
|
|
// has been defined
|
|
getChildView: function(child) {
|
|
var childView = this.getOption('childView') || this.constructor;
|
|
|
|
return childView;
|
|
},
|
|
|
|
// Serialize the model for the view.
|
|
// You can override the `serializeData` method in your own view
|
|
// definition, to provide custom serialization for your view's data.
|
|
serializeData: function() {
|
|
var data = {};
|
|
|
|
if (this.model) {
|
|
data = _.partial(this.serializeModel, this.model).apply(this, arguments);
|
|
}
|
|
|
|
return data;
|
|
},
|
|
|
|
// Renders the model and the collection.
|
|
render: function() {
|
|
this._ensureViewIsIntact();
|
|
this._isRendering = true;
|
|
this.resetChildViewContainer();
|
|
|
|
this.triggerMethod('before:render', this);
|
|
|
|
this._renderTemplate();
|
|
this._renderChildren();
|
|
|
|
this._isRendering = false;
|
|
this.isRendered = true;
|
|
this.triggerMethod('render', this);
|
|
return this;
|
|
},
|
|
|
|
_renderChildren: function() {
|
|
if (this.isRendered || this._isRendering) {
|
|
Marionette.CollectionView.prototype._renderChildren.call(this);
|
|
}
|
|
},
|
|
|
|
// Render the root template that the children
|
|
// views are appended to
|
|
_renderTemplate: function() {
|
|
var data = {};
|
|
data = this.serializeData();
|
|
data = this.mixinTemplateHelpers(data);
|
|
|
|
this.triggerMethod('before:render:template');
|
|
|
|
var template = this.getTemplate();
|
|
var html = Marionette.Renderer.render(template, data, this);
|
|
this.attachElContent(html);
|
|
|
|
// the ui bindings is done here and not at the end of render since they
|
|
// will not be available until after the model is rendered, but should be
|
|
// available before the collection is rendered.
|
|
this.bindUIElements();
|
|
this.triggerMethod('render:template');
|
|
},
|
|
|
|
// Attaches the content of the root.
|
|
// This method can be overridden to optimize rendering,
|
|
// or to render in a non standard way.
|
|
//
|
|
// For example, using `innerHTML` instead of `$el.html`
|
|
//
|
|
// ```js
|
|
// attachElContent: function(html) {
|
|
// this.el.innerHTML = html;
|
|
// return this;
|
|
// }
|
|
// ```
|
|
attachElContent: function(html) {
|
|
this.$el.html(html);
|
|
|
|
return this;
|
|
},
|
|
|
|
// You might need to override this if you've overridden attachHtml
|
|
attachBuffer: function(compositeView, buffer) {
|
|
var $container = this.getChildViewContainer(compositeView);
|
|
$container.append(buffer);
|
|
},
|
|
|
|
// Internal method. Append a view to the end of the $el.
|
|
// Overidden from CollectionView to ensure view is appended to
|
|
// childViewContainer
|
|
_insertAfter: function(childView) {
|
|
var $container = this.getChildViewContainer(this, childView);
|
|
$container.append(childView.el);
|
|
},
|
|
|
|
// Internal method. Append reordered childView'.
|
|
// Overidden from CollectionView to ensure reordered views
|
|
// are appended to childViewContainer
|
|
_appendReorderedChildren: function(children) {
|
|
var $container = this.getChildViewContainer(this);
|
|
$container.append(children);
|
|
},
|
|
|
|
// Internal method to ensure an `$childViewContainer` exists, for the
|
|
// `attachHtml` method to use.
|
|
getChildViewContainer: function(containerView, childView) {
|
|
if (!!containerView.$childViewContainer) {
|
|
return containerView.$childViewContainer;
|
|
}
|
|
|
|
var container;
|
|
var childViewContainer = Marionette.getOption(containerView, 'childViewContainer');
|
|
if (childViewContainer) {
|
|
|
|
var selector = Marionette._getValue(childViewContainer, containerView);
|
|
|
|
if (selector.charAt(0) === '@' && containerView.ui) {
|
|
container = containerView.ui[selector.substr(4)];
|
|
} else {
|
|
container = containerView.$(selector);
|
|
}
|
|
|
|
if (container.length <= 0) {
|
|
throw new Marionette.Error({
|
|
name: 'ChildViewContainerMissingError',
|
|
message: 'The specified "childViewContainer" was not found: ' + containerView.childViewContainer
|
|
});
|
|
}
|
|
|
|
} else {
|
|
container = containerView.$el;
|
|
}
|
|
|
|
containerView.$childViewContainer = container;
|
|
return container;
|
|
},
|
|
|
|
// Internal method to reset the `$childViewContainer` on render
|
|
resetChildViewContainer: function() {
|
|
if (this.$childViewContainer) {
|
|
this.$childViewContainer = undefined;
|
|
}
|
|
}
|
|
});
|
|
|
|
// Layout View
|
|
// -----------
|
|
|
|
// Used for managing application layoutViews, nested layoutViews and
|
|
// multiple regions within an application or sub-application.
|
|
//
|
|
// A specialized view class that renders an area of HTML and then
|
|
// attaches `Region` instances to the specified `regions`.
|
|
// Used for composite view management and sub-application areas.
|
|
Marionette.LayoutView = Marionette.ItemView.extend({
|
|
regionClass: Marionette.Region,
|
|
|
|
options: {
|
|
destroyImmediate: false
|
|
},
|
|
|
|
// used as the prefix for child view events
|
|
// that are forwarded through the layoutview
|
|
childViewEventPrefix: 'childview',
|
|
|
|
// Ensure the regions are available when the `initialize` method
|
|
// is called.
|
|
constructor: function(options) {
|
|
options = options || {};
|
|
|
|
this._firstRender = true;
|
|
this._initializeRegions(options);
|
|
|
|
Marionette.ItemView.call(this, options);
|
|
},
|
|
|
|
// LayoutView's render will use the existing region objects the
|
|
// first time it is called. Subsequent calls will destroy the
|
|
// views that the regions are showing and then reset the `el`
|
|
// for the regions to the newly rendered DOM elements.
|
|
render: function() {
|
|
this._ensureViewIsIntact();
|
|
|
|
if (this._firstRender) {
|
|
// if this is the first render, don't do anything to
|
|
// reset the regions
|
|
this._firstRender = false;
|
|
} else {
|
|
// If this is not the first render call, then we need to
|
|
// re-initialize the `el` for each region
|
|
this._reInitializeRegions();
|
|
}
|
|
|
|
return Marionette.ItemView.prototype.render.apply(this, arguments);
|
|
},
|
|
|
|
// Handle destroying regions, and then destroy the view itself.
|
|
destroy: function() {
|
|
if (this.isDestroyed) { return this; }
|
|
// #2134: remove parent element before destroying the child views, so
|
|
// removing the child views doesn't retrigger repaints
|
|
if (this.getOption('destroyImmediate') === true) {
|
|
this.$el.remove();
|
|
}
|
|
this.regionManager.destroy();
|
|
return Marionette.ItemView.prototype.destroy.apply(this, arguments);
|
|
},
|
|
|
|
showChildView: function(regionName, view, options) {
|
|
var region = this.getRegion(regionName);
|
|
return region.show.apply(region, _.rest(arguments));
|
|
},
|
|
|
|
getChildView: function(regionName) {
|
|
return this.getRegion(regionName).currentView;
|
|
},
|
|
|
|
// Add a single region, by name, to the layoutView
|
|
addRegion: function(name, definition) {
|
|
var regions = {};
|
|
regions[name] = definition;
|
|
return this._buildRegions(regions)[name];
|
|
},
|
|
|
|
// Add multiple regions as a {name: definition, name2: def2} object literal
|
|
addRegions: function(regions) {
|
|
this.regions = _.extend({}, this.regions, regions);
|
|
return this._buildRegions(regions);
|
|
},
|
|
|
|
// Remove a single region from the LayoutView, by name
|
|
removeRegion: function(name) {
|
|
delete this.regions[name];
|
|
return this.regionManager.removeRegion(name);
|
|
},
|
|
|
|
// Provides alternative access to regions
|
|
// Accepts the region name
|
|
// getRegion('main')
|
|
getRegion: function(region) {
|
|
return this.regionManager.get(region);
|
|
},
|
|
|
|
// Get all regions
|
|
getRegions: function() {
|
|
return this.regionManager.getRegions();
|
|
},
|
|
|
|
// internal method to build regions
|
|
_buildRegions: function(regions) {
|
|
var defaults = {
|
|
regionClass: this.getOption('regionClass'),
|
|
parentEl: _.partial(_.result, this, 'el')
|
|
};
|
|
|
|
return this.regionManager.addRegions(regions, defaults);
|
|
},
|
|
|
|
// Internal method to initialize the regions that have been defined in a
|
|
// `regions` attribute on this layoutView.
|
|
_initializeRegions: function(options) {
|
|
var regions;
|
|
this._initRegionManager();
|
|
|
|
regions = Marionette._getValue(this.regions, this, [options]) || {};
|
|
|
|
// Enable users to define `regions` as instance options.
|
|
var regionOptions = this.getOption.call(options, 'regions');
|
|
|
|
// enable region options to be a function
|
|
regionOptions = Marionette._getValue(regionOptions, this, [options]);
|
|
|
|
_.extend(regions, regionOptions);
|
|
|
|
// Normalize region selectors hash to allow
|
|
// a user to use the @ui. syntax.
|
|
regions = this.normalizeUIValues(regions, ['selector', 'el']);
|
|
|
|
this.addRegions(regions);
|
|
},
|
|
|
|
// Internal method to re-initialize all of the regions by updating the `el` that
|
|
// they point to
|
|
_reInitializeRegions: function() {
|
|
this.regionManager.invoke('reset');
|
|
},
|
|
|
|
// Enable easy overriding of the default `RegionManager`
|
|
// for customized region interactions and business specific
|
|
// view logic for better control over single regions.
|
|
getRegionManager: function() {
|
|
return new Marionette.RegionManager();
|
|
},
|
|
|
|
// Internal method to initialize the region manager
|
|
// and all regions in it
|
|
_initRegionManager: function() {
|
|
this.regionManager = this.getRegionManager();
|
|
this.regionManager._parent = this;
|
|
|
|
this.listenTo(this.regionManager, 'before:add:region', function(name) {
|
|
this.triggerMethod('before:add:region', name);
|
|
});
|
|
|
|
this.listenTo(this.regionManager, 'add:region', function(name, region) {
|
|
this[name] = region;
|
|
this.triggerMethod('add:region', name, region);
|
|
});
|
|
|
|
this.listenTo(this.regionManager, 'before:remove:region', function(name) {
|
|
this.triggerMethod('before:remove:region', name);
|
|
});
|
|
|
|
this.listenTo(this.regionManager, 'remove:region', function(name, region) {
|
|
delete this[name];
|
|
this.triggerMethod('remove:region', name, region);
|
|
});
|
|
},
|
|
|
|
_getImmediateChildren: function() {
|
|
return _.chain(this.regionManager.getRegions())
|
|
.pluck('currentView')
|
|
.compact()
|
|
.value();
|
|
}
|
|
});
|
|
|
|
|
|
// Behavior
|
|
// --------
|
|
|
|
// A Behavior is an isolated set of DOM /
|
|
// user interactions that can be mixed into any View.
|
|
// Behaviors allow you to blackbox View specific interactions
|
|
// into portable logical chunks, keeping your views simple and your code DRY.
|
|
|
|
Marionette.Behavior = Marionette.Object.extend({
|
|
constructor: function(options, view) {
|
|
// Setup reference to the view.
|
|
// this comes in handle when a behavior
|
|
// wants to directly talk up the chain
|
|
// to the view.
|
|
this.view = view;
|
|
this.defaults = _.result(this, 'defaults') || {};
|
|
this.options = _.extend({}, this.defaults, options);
|
|
// Construct an internal UI hash using
|
|
// the views UI hash and then the behaviors UI hash.
|
|
// This allows the user to use UI hash elements
|
|
// defined in the parent view as well as those
|
|
// defined in the given behavior.
|
|
this.ui = _.extend({}, _.result(view, 'ui'), _.result(this, 'ui'));
|
|
|
|
Marionette.Object.apply(this, arguments);
|
|
},
|
|
|
|
// proxy behavior $ method to the view
|
|
// this is useful for doing jquery DOM lookups
|
|
// scoped to behaviors view.
|
|
$: function() {
|
|
return this.view.$.apply(this.view, arguments);
|
|
},
|
|
|
|
// Stops the behavior from listening to events.
|
|
// Overrides Object#destroy to prevent additional events from being triggered.
|
|
destroy: function() {
|
|
this.stopListening();
|
|
|
|
return this;
|
|
},
|
|
|
|
proxyViewProperties: function(view) {
|
|
this.$el = view.$el;
|
|
this.el = view.el;
|
|
}
|
|
});
|
|
|
|
/* jshint maxlen: 143 */
|
|
// Behaviors
|
|
// ---------
|
|
|
|
// Behaviors is a utility class that takes care of
|
|
// gluing your behavior instances to their given View.
|
|
// The most important part of this class is that you
|
|
// **MUST** override the class level behaviorsLookup
|
|
// method for things to work properly.
|
|
|
|
Marionette.Behaviors = (function(Marionette, _) {
|
|
// Borrow event splitter from Backbone
|
|
var delegateEventSplitter = /^(\S+)\s*(.*)$/;
|
|
|
|
function Behaviors(view, behaviors) {
|
|
|
|
if (!_.isObject(view.behaviors)) {
|
|
return {};
|
|
}
|
|
|
|
// Behaviors defined on a view can be a flat object literal
|
|
// or it can be a function that returns an object.
|
|
behaviors = Behaviors.parseBehaviors(view, behaviors || _.result(view, 'behaviors'));
|
|
|
|
// Wraps several of the view's methods
|
|
// calling the methods first on each behavior
|
|
// and then eventually calling the method on the view.
|
|
Behaviors.wrap(view, behaviors, _.keys(methods));
|
|
return behaviors;
|
|
}
|
|
|
|
var methods = {
|
|
behaviorTriggers: function(behaviorTriggers, behaviors) {
|
|
var triggerBuilder = new BehaviorTriggersBuilder(this, behaviors);
|
|
return triggerBuilder.buildBehaviorTriggers();
|
|
},
|
|
|
|
behaviorEvents: function(behaviorEvents, behaviors) {
|
|
var _behaviorsEvents = {};
|
|
|
|
_.each(behaviors, function(b, i) {
|
|
var _events = {};
|
|
var behaviorEvents = _.clone(_.result(b, 'events')) || {};
|
|
|
|
// Normalize behavior events hash to allow
|
|
// a user to use the @ui. syntax.
|
|
behaviorEvents = Marionette.normalizeUIKeys(behaviorEvents, getBehaviorsUI(b));
|
|
|
|
var j = 0;
|
|
_.each(behaviorEvents, function(behaviour, key) {
|
|
var match = key.match(delegateEventSplitter);
|
|
|
|
// Set event name to be namespaced using the view cid,
|
|
// the behavior index, and the behavior event index
|
|
// to generate a non colliding event namespace
|
|
// http://api.jquery.com/event.namespace/
|
|
var eventName = match[1] + '.' + [this.cid, i, j++, ' '].join('');
|
|
var selector = match[2];
|
|
|
|
var eventKey = eventName + selector;
|
|
var handler = _.isFunction(behaviour) ? behaviour : b[behaviour];
|
|
if (!handler) { return; }
|
|
_events[eventKey] = _.bind(handler, b);
|
|
}, this);
|
|
|
|
_behaviorsEvents = _.extend(_behaviorsEvents, _events);
|
|
}, this);
|
|
|
|
return _behaviorsEvents;
|
|
}
|
|
};
|
|
|
|
_.extend(Behaviors, {
|
|
|
|
// Placeholder method to be extended by the user.
|
|
// The method should define the object that stores the behaviors.
|
|
// i.e.
|
|
//
|
|
// ```js
|
|
// Marionette.Behaviors.behaviorsLookup: function() {
|
|
// return App.Behaviors
|
|
// }
|
|
// ```
|
|
behaviorsLookup: function() {
|
|
throw new Marionette.Error({
|
|
message: 'You must define where your behaviors are stored.',
|
|
url: 'marionette.behaviors.html#behaviorslookup'
|
|
});
|
|
},
|
|
|
|
// Takes care of getting the behavior class
|
|
// given options and a key.
|
|
// If a user passes in options.behaviorClass
|
|
// default to using that. Otherwise delegate
|
|
// the lookup to the users `behaviorsLookup` implementation.
|
|
getBehaviorClass: function(options, key) {
|
|
if (options.behaviorClass) {
|
|
return options.behaviorClass;
|
|
}
|
|
|
|
// Get behavior class can be either a flat object or a method
|
|
return Marionette._getValue(Behaviors.behaviorsLookup, this, [options, key])[key];
|
|
},
|
|
|
|
// Iterate over the behaviors object, for each behavior
|
|
// instantiate it and get its grouped behaviors.
|
|
parseBehaviors: function(view, behaviors) {
|
|
return _.chain(behaviors).map(function(options, key) {
|
|
var BehaviorClass = Behaviors.getBehaviorClass(options, key);
|
|
|
|
var behavior = new BehaviorClass(options, view);
|
|
var nestedBehaviors = Behaviors.parseBehaviors(view, _.result(behavior, 'behaviors'));
|
|
|
|
return [behavior].concat(nestedBehaviors);
|
|
}).flatten().value();
|
|
},
|
|
|
|
// Wrap view internal methods so that they delegate to behaviors. For example,
|
|
// `onDestroy` should trigger destroy on all of the behaviors and then destroy itself.
|
|
// i.e.
|
|
//
|
|
// `view.delegateEvents = _.partial(methods.delegateEvents, view.delegateEvents, behaviors);`
|
|
wrap: function(view, behaviors, methodNames) {
|
|
_.each(methodNames, function(methodName) {
|
|
view[methodName] = _.partial(methods[methodName], view[methodName], behaviors);
|
|
});
|
|
}
|
|
});
|
|
|
|
// Class to build handlers for `triggers` on behaviors
|
|
// for views
|
|
function BehaviorTriggersBuilder(view, behaviors) {
|
|
this._view = view;
|
|
this._behaviors = behaviors;
|
|
this._triggers = {};
|
|
}
|
|
|
|
_.extend(BehaviorTriggersBuilder.prototype, {
|
|
// Main method to build the triggers hash with event keys and handlers
|
|
buildBehaviorTriggers: function() {
|
|
_.each(this._behaviors, this._buildTriggerHandlersForBehavior, this);
|
|
return this._triggers;
|
|
},
|
|
|
|
// Internal method to build all trigger handlers for a given behavior
|
|
_buildTriggerHandlersForBehavior: function(behavior, i) {
|
|
var triggersHash = _.clone(_.result(behavior, 'triggers')) || {};
|
|
|
|
triggersHash = Marionette.normalizeUIKeys(triggersHash, getBehaviorsUI(behavior));
|
|
|
|
_.each(triggersHash, _.bind(this._setHandlerForBehavior, this, behavior, i));
|
|
},
|
|
|
|
// Internal method to create and assign the trigger handler for a given
|
|
// behavior
|
|
_setHandlerForBehavior: function(behavior, i, eventName, trigger) {
|
|
// Unique identifier for the `this._triggers` hash
|
|
var triggerKey = trigger.replace(/^\S+/, function(triggerName) {
|
|
return triggerName + '.' + 'behaviortriggers' + i;
|
|
});
|
|
|
|
this._triggers[triggerKey] = this._view._buildViewTrigger(eventName);
|
|
}
|
|
});
|
|
|
|
function getBehaviorsUI(behavior) {
|
|
return behavior._uiBindings || behavior.ui;
|
|
}
|
|
|
|
return Behaviors;
|
|
|
|
})(Marionette, _);
|
|
|
|
|
|
// App Router
|
|
// ----------
|
|
|
|
// Reduce the boilerplate code of handling route events
|
|
// and then calling a single method on another object.
|
|
// Have your routers configured to call the method on
|
|
// your object, directly.
|
|
//
|
|
// Configure an AppRouter with `appRoutes`.
|
|
//
|
|
// App routers can only take one `controller` object.
|
|
// It is recommended that you divide your controller
|
|
// objects in to smaller pieces of related functionality
|
|
// and have multiple routers / controllers, instead of
|
|
// just one giant router and controller.
|
|
//
|
|
// You can also add standard routes to an AppRouter.
|
|
|
|
Marionette.AppRouter = Backbone.Router.extend({
|
|
|
|
constructor: function(options) {
|
|
this.options = options || {};
|
|
|
|
Backbone.Router.apply(this, arguments);
|
|
|
|
var appRoutes = this.getOption('appRoutes');
|
|
var controller = this._getController();
|
|
this.processAppRoutes(controller, appRoutes);
|
|
this.on('route', this._processOnRoute, this);
|
|
},
|
|
|
|
// Similar to route method on a Backbone Router but
|
|
// method is called on the controller
|
|
appRoute: function(route, methodName) {
|
|
var controller = this._getController();
|
|
this._addAppRoute(controller, route, methodName);
|
|
},
|
|
|
|
// process the route event and trigger the onRoute
|
|
// method call, if it exists
|
|
_processOnRoute: function(routeName, routeArgs) {
|
|
// make sure an onRoute before trying to call it
|
|
if (_.isFunction(this.onRoute)) {
|
|
// find the path that matches the current route
|
|
var routePath = _.invert(this.getOption('appRoutes'))[routeName];
|
|
this.onRoute(routeName, routePath, routeArgs);
|
|
}
|
|
},
|
|
|
|
// Internal method to process the `appRoutes` for the
|
|
// router, and turn them in to routes that trigger the
|
|
// specified method on the specified `controller`.
|
|
processAppRoutes: function(controller, appRoutes) {
|
|
if (!appRoutes) { return; }
|
|
|
|
var routeNames = _.keys(appRoutes).reverse(); // Backbone requires reverted order of routes
|
|
|
|
_.each(routeNames, function(route) {
|
|
this._addAppRoute(controller, route, appRoutes[route]);
|
|
}, this);
|
|
},
|
|
|
|
_getController: function() {
|
|
return this.getOption('controller');
|
|
},
|
|
|
|
_addAppRoute: function(controller, route, methodName) {
|
|
var method = controller[methodName];
|
|
|
|
if (!method) {
|
|
throw new Marionette.Error('Method "' + methodName + '" was not found on the controller');
|
|
}
|
|
|
|
this.route(route, methodName, _.bind(method, controller));
|
|
},
|
|
|
|
mergeOptions: Marionette.mergeOptions,
|
|
|
|
// Proxy `getOption` to enable getting options from this or this.options by name.
|
|
getOption: Marionette.proxyGetOption,
|
|
|
|
triggerMethod: Marionette.triggerMethod,
|
|
|
|
bindEntityEvents: Marionette.proxyBindEntityEvents,
|
|
|
|
unbindEntityEvents: Marionette.proxyUnbindEntityEvents
|
|
});
|
|
|
|
// Application
|
|
// -----------
|
|
|
|
// Contain and manage the composite application as a whole.
|
|
// Stores and starts up `Region` objects, includes an
|
|
// event aggregator as `app.vent`
|
|
Marionette.Application = Marionette.Object.extend({
|
|
constructor: function(options) {
|
|
this._initializeRegions(options);
|
|
this._initCallbacks = new Marionette.Callbacks();
|
|
this.submodules = {};
|
|
_.extend(this, options);
|
|
this._initChannel();
|
|
Marionette.Object.apply(this, arguments);
|
|
},
|
|
|
|
// Command execution, facilitated by Backbone.Wreqr.Commands
|
|
execute: function() {
|
|
this.commands.execute.apply(this.commands, arguments);
|
|
},
|
|
|
|
// Request/response, facilitated by Backbone.Wreqr.RequestResponse
|
|
request: function() {
|
|
return this.reqres.request.apply(this.reqres, arguments);
|
|
},
|
|
|
|
// Add an initializer that is either run at when the `start`
|
|
// method is called, or run immediately if added after `start`
|
|
// has already been called.
|
|
addInitializer: function(initializer) {
|
|
this._initCallbacks.add(initializer);
|
|
},
|
|
|
|
// kick off all of the application's processes.
|
|
// initializes all of the regions that have been added
|
|
// to the app, and runs all of the initializer functions
|
|
start: function(options) {
|
|
this.triggerMethod('before:start', options);
|
|
this._initCallbacks.run(options, this);
|
|
this.triggerMethod('start', options);
|
|
},
|
|
|
|
// Add regions to your app.
|
|
// Accepts a hash of named strings or Region objects
|
|
// addRegions({something: "#someRegion"})
|
|
// addRegions({something: Region.extend({el: "#someRegion"}) });
|
|
addRegions: function(regions) {
|
|
return this._regionManager.addRegions(regions);
|
|
},
|
|
|
|
// Empty all regions in the app, without removing them
|
|
emptyRegions: function() {
|
|
return this._regionManager.emptyRegions();
|
|
},
|
|
|
|
// Removes a region from your app, by name
|
|
// Accepts the regions name
|
|
// removeRegion('myRegion')
|
|
removeRegion: function(region) {
|
|
return this._regionManager.removeRegion(region);
|
|
},
|
|
|
|
// Provides alternative access to regions
|
|
// Accepts the region name
|
|
// getRegion('main')
|
|
getRegion: function(region) {
|
|
return this._regionManager.get(region);
|
|
},
|
|
|
|
// Get all the regions from the region manager
|
|
getRegions: function() {
|
|
return this._regionManager.getRegions();
|
|
},
|
|
|
|
// Create a module, attached to the application
|
|
module: function(moduleNames, moduleDefinition) {
|
|
|
|
// Overwrite the module class if the user specifies one
|
|
var ModuleClass = Marionette.Module.getClass(moduleDefinition);
|
|
|
|
var args = _.toArray(arguments);
|
|
args.unshift(this);
|
|
|
|
// see the Marionette.Module object for more information
|
|
return ModuleClass.create.apply(ModuleClass, args);
|
|
},
|
|
|
|
// Enable easy overriding of the default `RegionManager`
|
|
// for customized region interactions and business-specific
|
|
// view logic for better control over single regions.
|
|
getRegionManager: function() {
|
|
return new Marionette.RegionManager();
|
|
},
|
|
|
|
// Internal method to initialize the regions that have been defined in a
|
|
// `regions` attribute on the application instance
|
|
_initializeRegions: function(options) {
|
|
var regions = _.isFunction(this.regions) ? this.regions(options) : this.regions || {};
|
|
|
|
this._initRegionManager();
|
|
|
|
// Enable users to define `regions` in instance options.
|
|
var optionRegions = Marionette.getOption(options, 'regions');
|
|
|
|
// Enable region options to be a function
|
|
if (_.isFunction(optionRegions)) {
|
|
optionRegions = optionRegions.call(this, options);
|
|
}
|
|
|
|
// Overwrite current regions with those passed in options
|
|
_.extend(regions, optionRegions);
|
|
|
|
this.addRegions(regions);
|
|
|
|
return this;
|
|
},
|
|
|
|
// Internal method to set up the region manager
|
|
_initRegionManager: function() {
|
|
this._regionManager = this.getRegionManager();
|
|
this._regionManager._parent = this;
|
|
|
|
this.listenTo(this._regionManager, 'before:add:region', function() {
|
|
Marionette._triggerMethod(this, 'before:add:region', arguments);
|
|
});
|
|
|
|
this.listenTo(this._regionManager, 'add:region', function(name, region) {
|
|
this[name] = region;
|
|
Marionette._triggerMethod(this, 'add:region', arguments);
|
|
});
|
|
|
|
this.listenTo(this._regionManager, 'before:remove:region', function() {
|
|
Marionette._triggerMethod(this, 'before:remove:region', arguments);
|
|
});
|
|
|
|
this.listenTo(this._regionManager, 'remove:region', function(name) {
|
|
delete this[name];
|
|
Marionette._triggerMethod(this, 'remove:region', arguments);
|
|
});
|
|
},
|
|
|
|
// Internal method to setup the Wreqr.radio channel
|
|
_initChannel: function() {
|
|
this.channelName = _.result(this, 'channelName') || 'global';
|
|
this.channel = _.result(this, 'channel') || Backbone.Wreqr.radio.channel(this.channelName);
|
|
this.vent = _.result(this, 'vent') || this.channel.vent;
|
|
this.commands = _.result(this, 'commands') || this.channel.commands;
|
|
this.reqres = _.result(this, 'reqres') || this.channel.reqres;
|
|
}
|
|
});
|
|
|
|
/* jshint maxparams: 9 */
|
|
|
|
// Module
|
|
// ------
|
|
|
|
// A simple module system, used to create privacy and encapsulation in
|
|
// Marionette applications
|
|
Marionette.Module = function(moduleName, app, options) {
|
|
this.moduleName = moduleName;
|
|
this.options = _.extend({}, this.options, options);
|
|
// Allow for a user to overide the initialize
|
|
// for a given module instance.
|
|
this.initialize = options.initialize || this.initialize;
|
|
|
|
// Set up an internal store for sub-modules.
|
|
this.submodules = {};
|
|
|
|
this._setupInitializersAndFinalizers();
|
|
|
|
// Set an internal reference to the app
|
|
// within a module.
|
|
this.app = app;
|
|
|
|
if (_.isFunction(this.initialize)) {
|
|
this.initialize(moduleName, app, this.options);
|
|
}
|
|
};
|
|
|
|
Marionette.Module.extend = Marionette.extend;
|
|
|
|
// Extend the Module prototype with events / listenTo, so that the module
|
|
// can be used as an event aggregator or pub/sub.
|
|
_.extend(Marionette.Module.prototype, Backbone.Events, {
|
|
|
|
// By default modules start with their parents.
|
|
startWithParent: true,
|
|
|
|
// Initialize is an empty function by default. Override it with your own
|
|
// initialization logic when extending Marionette.Module.
|
|
initialize: function() {},
|
|
|
|
// Initializer for a specific module. Initializers are run when the
|
|
// module's `start` method is called.
|
|
addInitializer: function(callback) {
|
|
this._initializerCallbacks.add(callback);
|
|
},
|
|
|
|
// Finalizers are run when a module is stopped. They are used to teardown
|
|
// and finalize any variables, references, events and other code that the
|
|
// module had set up.
|
|
addFinalizer: function(callback) {
|
|
this._finalizerCallbacks.add(callback);
|
|
},
|
|
|
|
// Start the module, and run all of its initializers
|
|
start: function(options) {
|
|
// Prevent re-starting a module that is already started
|
|
if (this._isInitialized) { return; }
|
|
|
|
// start the sub-modules (depth-first hierarchy)
|
|
_.each(this.submodules, function(mod) {
|
|
// check to see if we should start the sub-module with this parent
|
|
if (mod.startWithParent) {
|
|
mod.start(options);
|
|
}
|
|
});
|
|
|
|
// run the callbacks to "start" the current module
|
|
this.triggerMethod('before:start', options);
|
|
|
|
this._initializerCallbacks.run(options, this);
|
|
this._isInitialized = true;
|
|
|
|
this.triggerMethod('start', options);
|
|
},
|
|
|
|
// Stop this module by running its finalizers and then stop all of
|
|
// the sub-modules for this module
|
|
stop: function() {
|
|
// if we are not initialized, don't bother finalizing
|
|
if (!this._isInitialized) { return; }
|
|
this._isInitialized = false;
|
|
|
|
this.triggerMethod('before:stop');
|
|
|
|
// stop the sub-modules; depth-first, to make sure the
|
|
// sub-modules are stopped / finalized before parents
|
|
_.invoke(this.submodules, 'stop');
|
|
|
|
// run the finalizers
|
|
this._finalizerCallbacks.run(undefined, this);
|
|
|
|
// reset the initializers and finalizers
|
|
this._initializerCallbacks.reset();
|
|
this._finalizerCallbacks.reset();
|
|
|
|
this.triggerMethod('stop');
|
|
},
|
|
|
|
// Configure the module with a definition function and any custom args
|
|
// that are to be passed in to the definition function
|
|
addDefinition: function(moduleDefinition, customArgs) {
|
|
this._runModuleDefinition(moduleDefinition, customArgs);
|
|
},
|
|
|
|
// Internal method: run the module definition function with the correct
|
|
// arguments
|
|
_runModuleDefinition: function(definition, customArgs) {
|
|
// If there is no definition short circut the method.
|
|
if (!definition) { return; }
|
|
|
|
// build the correct list of arguments for the module definition
|
|
var args = _.flatten([
|
|
this,
|
|
this.app,
|
|
Backbone,
|
|
Marionette,
|
|
Backbone.$, _,
|
|
customArgs
|
|
]);
|
|
|
|
definition.apply(this, args);
|
|
},
|
|
|
|
// Internal method: set up new copies of initializers and finalizers.
|
|
// Calling this method will wipe out all existing initializers and
|
|
// finalizers.
|
|
_setupInitializersAndFinalizers: function() {
|
|
this._initializerCallbacks = new Marionette.Callbacks();
|
|
this._finalizerCallbacks = new Marionette.Callbacks();
|
|
},
|
|
|
|
// import the `triggerMethod` to trigger events with corresponding
|
|
// methods if the method exists
|
|
triggerMethod: Marionette.triggerMethod
|
|
});
|
|
|
|
// Class methods to create modules
|
|
_.extend(Marionette.Module, {
|
|
|
|
// Create a module, hanging off the app parameter as the parent object.
|
|
create: function(app, moduleNames, moduleDefinition) {
|
|
var module = app;
|
|
|
|
// get the custom args passed in after the module definition and
|
|
// get rid of the module name and definition function
|
|
var customArgs = _.drop(arguments, 3);
|
|
|
|
// Split the module names and get the number of submodules.
|
|
// i.e. an example module name of `Doge.Wow.Amaze` would
|
|
// then have the potential for 3 module definitions.
|
|
moduleNames = moduleNames.split('.');
|
|
var length = moduleNames.length;
|
|
|
|
// store the module definition for the last module in the chain
|
|
var moduleDefinitions = [];
|
|
moduleDefinitions[length - 1] = moduleDefinition;
|
|
|
|
// Loop through all the parts of the module definition
|
|
_.each(moduleNames, function(moduleName, i) {
|
|
var parentModule = module;
|
|
module = this._getModule(parentModule, moduleName, app, moduleDefinition);
|
|
this._addModuleDefinition(parentModule, module, moduleDefinitions[i], customArgs);
|
|
}, this);
|
|
|
|
// Return the last module in the definition chain
|
|
return module;
|
|
},
|
|
|
|
_getModule: function(parentModule, moduleName, app, def, args) {
|
|
var options = _.extend({}, def);
|
|
var ModuleClass = this.getClass(def);
|
|
|
|
// Get an existing module of this name if we have one
|
|
var module = parentModule[moduleName];
|
|
|
|
if (!module) {
|
|
// Create a new module if we don't have one
|
|
module = new ModuleClass(moduleName, app, options);
|
|
parentModule[moduleName] = module;
|
|
// store the module on the parent
|
|
parentModule.submodules[moduleName] = module;
|
|
}
|
|
|
|
return module;
|
|
},
|
|
|
|
// ## Module Classes
|
|
//
|
|
// Module classes can be used as an alternative to the define pattern.
|
|
// The extend function of a Module is identical to the extend functions
|
|
// on other Backbone and Marionette classes.
|
|
// This allows module lifecyle events like `onStart` and `onStop` to be called directly.
|
|
getClass: function(moduleDefinition) {
|
|
var ModuleClass = Marionette.Module;
|
|
|
|
if (!moduleDefinition) {
|
|
return ModuleClass;
|
|
}
|
|
|
|
// If all of the module's functionality is defined inside its class,
|
|
// then the class can be passed in directly. `MyApp.module("Foo", FooModule)`.
|
|
if (moduleDefinition.prototype instanceof ModuleClass) {
|
|
return moduleDefinition;
|
|
}
|
|
|
|
return moduleDefinition.moduleClass || ModuleClass;
|
|
},
|
|
|
|
// Add the module definition and add a startWithParent initializer function.
|
|
// This is complicated because module definitions are heavily overloaded
|
|
// and support an anonymous function, module class, or options object
|
|
_addModuleDefinition: function(parentModule, module, def, args) {
|
|
var fn = this._getDefine(def);
|
|
var startWithParent = this._getStartWithParent(def, module);
|
|
|
|
if (fn) {
|
|
module.addDefinition(fn, args);
|
|
}
|
|
|
|
this._addStartWithParent(parentModule, module, startWithParent);
|
|
},
|
|
|
|
_getStartWithParent: function(def, module) {
|
|
var swp;
|
|
|
|
if (_.isFunction(def) && (def.prototype instanceof Marionette.Module)) {
|
|
swp = module.constructor.prototype.startWithParent;
|
|
return _.isUndefined(swp) ? true : swp;
|
|
}
|
|
|
|
if (_.isObject(def)) {
|
|
swp = def.startWithParent;
|
|
return _.isUndefined(swp) ? true : swp;
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
_getDefine: function(def) {
|
|
if (_.isFunction(def) && !(def.prototype instanceof Marionette.Module)) {
|
|
return def;
|
|
}
|
|
|
|
if (_.isObject(def)) {
|
|
return def.define;
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
_addStartWithParent: function(parentModule, module, startWithParent) {
|
|
module.startWithParent = module.startWithParent && startWithParent;
|
|
|
|
if (!module.startWithParent || !!module.startWithParentIsConfigured) {
|
|
return;
|
|
}
|
|
|
|
module.startWithParentIsConfigured = true;
|
|
|
|
parentModule.addInitializer(function(options) {
|
|
if (module.startWithParent) {
|
|
module.start(options);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
|
|
|
|
return Marionette;
|
|
}));
|