275 lines
5.7 KiB
JavaScript
275 lines
5.7 KiB
JavaScript
define('select2/utils',[], function () {
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var Utils = {};
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Utils.Extend = function (ChildClass, SuperClass) {
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var __hasProp = {}.hasOwnProperty
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function BaseConstructor () {
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this.constructor = ChildClass;
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}
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for (var key in SuperClass) {
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if (__hasProp.call(SuperClass, key)) {
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ChildClass[key] = SuperClass[key];
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}
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}
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BaseConstructor.prototype = SuperClass.prototype;
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ChildClass.prototype = new BaseConstructor();
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ChildClass.__super__ = SuperClass.prototype;
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return ChildClass;
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};
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var Observable = function () {
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this.listeners = {};
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};
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Observable.prototype.on = function (event, callback) {
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if (event in this.listeners) {
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this.listeners[event].push(callback);
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} else {
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this.listeners[event] = [callback];
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}
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};
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Observable.prototype.trigger = function (event) {
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if (event in this.listeners) {
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this.invoke(this.listeners[event], util.shift(arguments));
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}
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if ("*" in this.listeners) {
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this.invoke(this.listeners["*"], arguments);
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}
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};
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Observable.prototype.invoke = function (listeners, params) {
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for (var i = 0, len = listeners.length; i < len; i++) {
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listeners[i].apply(this, params);
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}
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};
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Utils.Observable = Observable;
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return Utils;
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});
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define('select2/data/select',[
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'../utils'
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], function (Utils) {
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function SelectAdapter ($element, options) {
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this.$element = $element;
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}
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Utils.Extend(SelectAdapter, Utils.Observable);
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SelectAdapter.prototype.current = function () {
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var data = [];
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var self = this;
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this.$element.find(":selected").each(function () {
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var $option = $(this);
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var option = self.item($option);
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data.push(option);
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});
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return data;
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};
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SelectAdapter.prototype.item = function ($option) {
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var data = {
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id: $option.val(),
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text: $option.html()
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};
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return data;
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};
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return SelectAdapter;
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});
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define('select2/results',[
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'./utils'
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], function (Utils) {
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function Results ($element, dataAdapter) {
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this.$element = $element;
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this.dataAdapter = dataAdapter;
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}
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Utils.Extend(Results, Utils.Observable);
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Results.prototype.render = function () {
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var $results = $(
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'<ul class="options"></ul>'
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);
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return $results;
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}
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return Results;
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})
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;
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define('select2/dropdown',[
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'./utils'
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], function (Utils) {
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function Dropdown ($element, options) {
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this.$element = $element;
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}
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Utils.Extend(Dropdown, Utils.Observable);
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Dropdown.prototype.render = function () {
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var $dropdown = $(
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'<div class="select2 select2-dropdown">' +
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'<div class="results"></div>' +
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'</div>'
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);
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return $dropdown;
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}
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return Dropdown;
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})
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;
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define('select2/selection',[
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'./utils'
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], function (Utils) {
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function Selection ($element, options) {
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this.$element = $element;
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this.options = options;
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}
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Utils.Extend(Selection, Utils.Observable);
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Selection.prototype.render = function () {
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var $selection = $(
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'<div class="single-select">' +
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'<div class="rendered-selection"></div>' +
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'</div>'
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);
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this.$selection = $selection;
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return $selection;
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}
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Selection.prototype.bind = function ($container) {
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var self = this;
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$container.on('click', function (evt) {
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self.trigger("toggle", {
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originalEvent: evt
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});
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});
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}
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Selection.prototype.clear = function () {
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this.$selection.find(".rendered-selection").text("");
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}
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Selection.prototype.display = function (data) {
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return data.text;
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}
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Selection.prototype.update = function (data) {
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if (data.length == 0) {
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this.clear();
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return;
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}
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var selection = data[0];
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var formatted = this.display(selection);
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this.$selection.find(".rendered-selection").html(formatted);
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}
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return Selection;
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});
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define('select2/options',[
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'./data/select',
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'./results',
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'./dropdown',
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'./selection'
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], function (SelectData, ResultsList, Dropdown, Selection) {
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function Options (options) {
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this.options = options;
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this.dataAdapter = SelectData;
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this.resultsAdapter = ResultsList;
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this.dropdownAdapter = Dropdown;
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this.selectionAdapter = Selection;
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}
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return Options;
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})
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;
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define('select2/core',[
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'jquery',
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'./options',
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'./utils'
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], function ($, Options, Utils) {
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var Select2 = function ($element, options) {
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this.$element = $element;
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this.options = new Options(options);
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// Set up containers and adapters
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this.data = new this.options.dataAdapter($element, options);
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var $container = this.render();
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$container.insertAfter(this.$element);
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this.selection = new this.options.selectionAdapter($element, options);
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var $selectionContainer = $container.find(".selection");
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var $selection = this.selection.render();
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$selectionContainer.append($selection);
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this.dropdown = new this.options.dropdownAdapter($element, options);
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var $dropdown = this.dropdown.render();
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$dropdown.insertAfter($container);
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this.results = new this.options.resultsAdapter($element, options);
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var $resultsContainer = $dropdown.find(".results");
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var $results = this.results.render();
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$resultsContainer.append($results);
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// Set the initial state
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var initialData = this.data.current();
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this.selection.update(initialData);
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var self = this;
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this.$element.on("change", function () {
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self.selection.update(self.data.current());
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})
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};
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Utils.Extend(Select2, Utils.Observable);
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Select2.prototype.render = function () {
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var $container = $(
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'<div class="select2 select2-container">' +
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'<div class="selection"></div>' +
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'</div>'
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);
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return $container;
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};
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return Select2;
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});
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