New: Search for an entire page of missing episodespull/2/head
Mark McDowall
11 years ago
parent
cf2ca6aa32
commit
7798e8b591
@ -1,2 +1,3 @@
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@import "filter";
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@import "paginator";
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@import (css) "selectall.css";
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@ -0,0 +1,12 @@
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/*
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backgrid-select-all
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http://github.com/wyuenho/backgrid
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Copyright (c) 2013 Jimmy Yuen Ho Wong and contributors
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Licensed under the MIT @license.
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*/
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.backgrid .select-row-cell,
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.backgrid .select-all-header-cell {
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text-align: center;
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}
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@ -0,0 +1,243 @@
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/*
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backgrid-select-all
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http://github.com/wyuenho/backgrid
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Copyright (c) 2013 Jimmy Yuen Ho Wong and contributors
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Licensed under the MIT @license.
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*/
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(function (factory) {
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// CommonJS
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if (typeof exports == "object") {
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module.exports = factory(require("backbone"), require("backgrid"));
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}
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// Browser
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else if (typeof Backbone !== "undefined" && typeof Backgrid !== "undefined") {
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factory(Backbone, Backgrid);
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}
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}(function (Backbone, Backgrid) {
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"use strict";
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var $ = Backbone.$;
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/**
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Renders a checkbox for row selection.
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@class Backgrid.Extension.SelectRowCell
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@extends Backbone.View
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*/
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var SelectRowCell = Backgrid.Extension.SelectRowCell = Backbone.View.extend({
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/** @property */
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className: "select-row-cell",
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/** @property */
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tagName: "td",
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/** @property */
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events: {
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"keydown :checkbox": "onKeydown",
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"change :checkbox": "onChange",
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"click :checkbox": "enterEditMode"
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},
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/**
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Initializer. If the underlying model triggers a `select` event, this cell
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will change its checked value according to the event's `selected` value.
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@param {Object} options
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@param {Backgrid.Column} options.column
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@param {Backbone.Model} options.model
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*/
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initialize: function (options) {
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this.column = options.column;
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if (!(this.column instanceof Backgrid.Column)) {
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this.column = new Backgrid.Column(this.column);
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}
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this.listenTo(this.model, "backgrid:select", function (model, selected) {
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this.$el.find(":checkbox").prop("checked", selected).change();
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});
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var column = this.column, $el = this.$el;
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this.listenTo(column, "change:renderable", function (column, renderable) {
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$el.toggleClass("renderable", renderable);
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});
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if (column.get("renderable")) $el.addClass("renderable");
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},
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/**
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Focuses the checkbox.
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*/
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enterEditMode: function () {
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this.$el.find(":checkbox").focus();
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},
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/**
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Unfocuses the checkbox.
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*/
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exitEditMode: function () {
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this.$el.find(":checkbox").blur();
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},
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/**
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Process keyboard navigation.
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*/
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onKeydown: function (e) {
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var command = new Backgrid.Command(e);
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if (command.passThru()) return true; // skip ahead to `change`
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if (command.cancel()) {
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e.stopPropagation();
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this.$el.find(":checkbox").blur();
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}
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else if (command.save() || command.moveLeft() || command.moveRight() ||
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command.moveUp() || command.moveDown()) {
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e.preventDefault();
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e.stopPropagation();
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this.model.trigger("backgrid:edited", this.model, this.column, command);
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}
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},
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/**
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When the checkbox's value changes, this method will trigger a Backbone
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`backgrid:selected` event with a reference of the model and the
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checkbox's `checked` value.
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*/
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onChange: function (e) {
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var checked = $(e.target).prop('checked');
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this.$el.parent().toggleClass('selected', checked);
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this.model.trigger("backgrid:selected", this.model, checked);
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},
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/**
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Renders a checkbox in a table cell.
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*/
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render: function () {
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this.$el.empty().append('<input tabindex="-1" type="checkbox" />');
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this.delegateEvents();
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return this;
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}
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});
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/**
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Renders a checkbox to select all rows on the current page.
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@class Backgrid.Extension.SelectAllHeaderCell
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@extends Backgrid.Extension.SelectRowCell
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*/
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var SelectAllHeaderCell = Backgrid.Extension.SelectAllHeaderCell = SelectRowCell.extend({
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/** @property */
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className: "select-all-header-cell",
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/** @property */
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tagName: "th",
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/**
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Initializer. When this cell's checkbox is checked, a Backbone
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`backgrid:select` event will be triggered for each model for the current
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page in the underlying collection. If a `SelectRowCell` instance exists
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for the rows representing the models, they will check themselves. If any
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of the SelectRowCell instances trigger a Backbone `backgrid:selected`
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event with a `false` value, this cell will uncheck its checkbox. In the
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event of a Backbone `backgrid:refresh` event, which is triggered when the
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body refreshes its rows, which can happen under a number of conditions
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such as paging or the columns were reset, this cell will still remember
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the previously selected models and trigger a Backbone `backgrid:select`
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event on them such that the SelectRowCells can recheck themselves upon
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refreshing.
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@param {Object} options
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@param {Backgrid.Column} options.column
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@param {Backbone.Collection} options.collection
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*/
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initialize: function (options) {
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this.column = options.column;
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if (!(this.column instanceof Backgrid.Column)) {
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this.column = new Backgrid.Column(this.column);
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}
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var collection = this.collection;
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var selectedModels = this.selectedModels = {};
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this.listenTo(collection, "backgrid:selected", function (model, selected) {
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if (selected) selectedModels[model.id || model.cid] = model;
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else {
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delete selectedModels[model.id || model.cid];
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this.$el.find(":checkbox").prop("checked", false);
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}
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});
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this.listenTo(collection, "remove", function (model) {
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delete selectedModels[model.id || model.cid];
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});
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this.listenTo(collection, "backgrid:refresh", function () {
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this.$el.find(":checkbox").prop("checked", false);
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for (var i = 0; i < collection.length; i++) {
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var model = collection.at(i);
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if (selectedModels[model.id || model.cid]) {
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model.trigger('backgrid:select', model, true);
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}
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}
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});
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var column = this.column, $el = this.$el;
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this.listenTo(column, "change:renderable", function (column, renderable) {
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$el.toggleClass("renderable", renderable);
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});
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if (column.get("renderable")) $el.addClass("renderable");
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},
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/**
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Progagates the checked value of this checkbox to all the models of the
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underlying collection by triggering a Backbone `backgrid:select` event on
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the models themselves, passing each model and the current `checked` value
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of the checkbox in each event.
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*/
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onChange: function (e) {
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var checked = $(e.target).prop("checked");
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var collection = this.collection;
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collection.each(function (model) {
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model.trigger("backgrid:select", model, checked);
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});
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}
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});
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/**
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Convenient method to retrieve a list of selected models. This method only
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exists when the `SelectAll` extension has been included.
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@member Backgrid.Grid
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@return {Array.<Backbone.Model>}
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*/
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Backgrid.Grid.prototype.getSelectedModels = function () {
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var selectAllHeaderCell;
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var headerCells = this.header.row.cells;
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for (var i = 0, l = headerCells.length; i < l; i++) {
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var headerCell = headerCells[i];
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if (headerCell instanceof SelectAllHeaderCell) {
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selectAllHeaderCell = headerCell;
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break;
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}
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}
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var result = [];
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if (selectAllHeaderCell) {
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for (var modelId in selectAllHeaderCell.selectedModels) {
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result.push(this.collection.get(modelId));
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}
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}
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return result;
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};
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}));
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