mirror of
https://github.com/Sonarr/Sonarr.git
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663160c06a
renamed NzbDrone.Backbone to UI
284 lines
9.2 KiB
JavaScript
284 lines
9.2 KiB
JavaScript
// Backbone.CollectionBinder v0.1.1
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// (c) 2012 Bart Wood
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// Distributed Under MIT License
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(function () {
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if (!Backbone) {
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throw 'Please include Backbone.js before Backbone.ModelBinder.js';
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}
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if (!Backbone.ModelBinder) {
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throw 'Please include Backbone.ModelBinder.js before Backbone.CollectionBinder.js';
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}
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Backbone.CollectionBinder = function (elManagerFactory, options) {
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_.bindAll(this);
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this._elManagers = {};
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this._elManagerFactory = elManagerFactory;
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if (!this._elManagerFactory) throw 'elManagerFactory must be defined.';
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// Let the factory just use the trigger function on the view binder
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this._elManagerFactory.trigger = this.trigger;
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this._options = options || {};
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};
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Backbone.CollectionBinder.VERSION = '0.1.1';
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_.extend(Backbone.CollectionBinder.prototype, Backbone.Events, {
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bind: function (collection, parentEl) {
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this.unbind();
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if (!collection) throw 'collection must be defined';
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if (!parentEl) throw 'parentEl must be defined';
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this._collection = collection;
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this._elManagerFactory.setParentEl(parentEl);
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this._onCollectionReset();
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this._collection.on('add', this._onCollectionAdd, this);
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this._collection.on('remove', this._onCollectionRemove, this);
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this._collection.on('reset', this._onCollectionReset, this);
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},
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unbind: function () {
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if (this._collection !== undefined) {
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this._collection.off('add', this._onCollectionAdd);
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this._collection.off('remove', this._onCollectionRemove);
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this._collection.off('reset', this._onCollectionReset);
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}
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this._removeAllElManagers();
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},
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getManagerForEl: function (el) {
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var i, elManager, elManagers = _.values(this._elManagers);
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for (i = 0; i < elManagers.length; i++) {
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elManager = elManagers[i];
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if (elManager.isElContained(el)) {
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return elManager;
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}
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}
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return undefined;
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},
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getManagerForModel: function (model) {
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var i, elManager, elManagers = _.values(this._elManagers);
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for (i = 0; i < elManagers.length; i++) {
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elManager = elManagers[i];
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if (elManager.getModel() === model) {
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return elManager;
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}
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}
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return undefined;
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},
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_onCollectionAdd: function (model) {
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this._elManagers[model.cid] = this._elManagerFactory.makeElManager(model);
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this._elManagers[model.cid].createEl();
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if (this._options['autoSort']) {
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this.sortRootEls();
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}
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},
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_onCollectionRemove: function (model) {
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this._removeElManager(model);
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},
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_onCollectionReset: function () {
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this._removeAllElManagers();
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this._collection.each(function (model) {
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this._onCollectionAdd(model);
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}, this);
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this.trigger('elsReset', this._collection);
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},
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_removeAllElManagers: function () {
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_.each(this._elManagers, function (elManager) {
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elManager.removeEl();
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delete this._elManagers[elManager._model.cid];
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}, this);
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delete this._elManagers;
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this._elManagers = {};
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},
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_removeElManager: function (model) {
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if (this._elManagers[model.cid] !== undefined) {
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this._elManagers[model.cid].removeEl();
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delete this._elManagers[model.cid];
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}
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},
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sortRootEls: function () {
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this._collection.each(function (model, modelIndex) {
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var modelElManager = this.getManagerForModel(model);
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if (modelElManager) {
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var modelEl = modelElManager.getEl();
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var currentRootEls = this._elManagerFactory.getParentEl().children();
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if (currentRootEls[modelIndex] !== modelEl[0]) {
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modelEl.detach();
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modelEl.insertBefore(currentRootEls[modelIndex]);
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}
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}
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}, this);
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}
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});
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// The ElManagerFactory is used for els that are just html templates
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// elHtml - how the model's html will be rendered. Must have a single root element (div,span).
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// bindings (optional) - either a string which is the binding attribute (name, id, data-name, etc.) or a normal bindings hash
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Backbone.CollectionBinder.ElManagerFactory = function (elHtml, bindings) {
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_.bindAll(this);
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this._elHtml = elHtml;
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this._bindings = bindings;
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if (!_.isString(this._elHtml)) throw 'elHtml must be a valid html string';
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};
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_.extend(Backbone.CollectionBinder.ElManagerFactory.prototype, {
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setParentEl: function (parentEl) {
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this._parentEl = parentEl;
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},
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getParentEl: function () {
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return this._parentEl;
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},
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makeElManager: function (model) {
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var elManager = {
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_model: model,
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createEl: function () {
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this._el = $(this._elHtml);
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$(this._parentEl).append(this._el);
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if (this._bindings) {
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if (_.isString(this._bindings)) {
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this._modelBinder = new Backbone.ModelBinder();
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this._modelBinder.bind(this._model, this._el, Backbone.ModelBinder.createDefaultBindings(this._el, this._bindings));
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}
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else if (_.isObject(this._bindings)) {
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this._modelBinder = new Backbone.ModelBinder();
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this._modelBinder.bind(this._model, this._el, this._bindings);
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}
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else {
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throw 'Unsupported bindings type, please use a boolean or a bindings hash';
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}
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}
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this.trigger('elCreated', this._model, this._el);
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},
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removeEl: function () {
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if (this._modelBinder !== undefined) {
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this._modelBinder.unbind();
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}
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this._el.remove();
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this.trigger('elRemoved', this._model, this._el);
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},
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isElContained: function (findEl) {
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return this._el === findEl || $(this._el).has(findEl).length > 0;
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},
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getModel: function () {
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return this._model;
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},
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getEl: function () {
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return this._el;
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}
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};
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_.extend(elManager, this);
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return elManager;
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}
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});
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// The ViewManagerFactory is used for els that are created and owned by backbone views.
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// There is no bindings option because the view made by the viewCreator should take care of any binding
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// viewCreator - a callback that will create backbone view instances for a model passed to the callback
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Backbone.CollectionBinder.ViewManagerFactory = function (viewCreator) {
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_.bindAll(this);
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this._viewCreator = viewCreator;
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if (!_.isFunction(this._viewCreator)) throw 'viewCreator must be a valid function that accepts a model and returns a backbone view';
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};
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_.extend(Backbone.CollectionBinder.ViewManagerFactory.prototype, {
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setParentEl: function (parentEl) {
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this._parentEl = parentEl;
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},
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getParentEl: function () {
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return this._parentEl;
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},
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makeElManager: function (model) {
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var elManager = {
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_model: model,
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createEl: function () {
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this._view = this._viewCreator(model);
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$(this._parentEl).append(this._view.render(this._model).el);
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this.trigger('elCreated', this._model, this._view);
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},
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removeEl: function () {
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if (this._view.close !== undefined) {
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this._view.close();
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}
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else {
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this._view.$el.remove();
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console.log('warning, you should implement a close() function for your view, you might end up with zombies');
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}
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this.trigger('elRemoved', this._model, this._view);
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},
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isElContained: function (findEl) {
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return this._view.el === findEl || this._view.$el.has(findEl).length > 0;
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},
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getModel: function () {
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return this._model;
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},
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getView: function () {
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return this._view;
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},
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getEl: function () {
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return this._view.$el;
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}
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};
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_.extend(elManager, this);
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return elManager;
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}
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});
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}).call(this); |