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select2/dist/js/select2.amd.js
2014-10-21 21:43:58 -04:00

940 lines
20 KiB
JavaScript

define('select2/utils',[], function () {
var Utils = {};
Utils.Extend = function (ChildClass, SuperClass) {
var __hasProp = {}.hasOwnProperty;
function BaseConstructor () {
this.constructor = ChildClass;
}
for (var key in SuperClass) {
if (__hasProp.call(SuperClass, key)) {
ChildClass[key] = SuperClass[key];
}
}
BaseConstructor.prototype = SuperClass.prototype;
ChildClass.prototype = new BaseConstructor();
ChildClass.__super__ = SuperClass.prototype;
return ChildClass;
};
function getMethods (theClass) {
var proto = theClass.prototype;
var methods = [];
for (var methodName in proto) {
var m = proto[methodName];
if (typeof m !== 'function') {
continue;
}
methods.push(methodName);
}
return methods;
}
Utils.Decorate = function (SuperClass, DecoratorClass) {
var decoratedMethods = getMethods(DecoratorClass);
var superMethods = getMethods(SuperClass);
function DecoratedClass () {
var unshift = Array.prototype.unshift;
var argCount = DecoratorClass.prototype.constructor.length;
var calledConstructor = SuperClass.prototype.constructor;
if (argCount > 0) {
unshift.call(arguments, SuperClass.prototype.constructor);
calledConstructor = DecoratorClass.prototype.constructor;
}
calledConstructor.apply(this, arguments);
}
DecoratorClass.displayName = SuperClass.displayName;
function ctr () {
this.constructor = DecoratedClass;
}
DecoratedClass.prototype = new ctr();
for (var m = 0; m < superMethods.length; m++) {
var superMethod = superMethods[m];
DecoratedClass.prototype[superMethod] =
SuperClass.prototype[superMethod];
}
var calledMethod = function (methodName) {
// Stub out the original method if it's not decorating an actual method
var originalMethod = function () {};
if (methodName in DecoratedClass.prototype) {
originalMethod = DecoratedClass.prototype[methodName];
}
var decoratedMethod = DecoratorClass.prototype[methodName];
return function () {
var unshift = Array.prototype.unshift;
unshift.call(arguments, originalMethod);
return decoratedMethod.apply(this, arguments);
};
};
for (var d = 0; d < decoratedMethods.length; d++) {
var decoratedMethod = decoratedMethods[d];
DecoratedClass.prototype[decoratedMethod] = calledMethod(decoratedMethod);
}
return DecoratedClass;
};
var Observable = function () {
this.listeners = {};
};
Observable.prototype.on = function (event, callback) {
if (event in this.listeners) {
this.listeners[event].push(callback);
} else {
this.listeners[event] = [callback];
}
};
Observable.prototype.trigger = function (event) {
var slice = Array.prototype.slice;
if (event in this.listeners) {
this.invoke(this.listeners[event], slice.call(arguments, 1));
}
if ('*' in this.listeners) {
this.invoke(this.listeners['*'], arguments);
}
};
Observable.prototype.invoke = function (listeners, params) {
for (var i = 0, len = listeners.length; i < len; i++) {
listeners[i].apply(this, params);
}
};
Utils.Observable = Observable;
return Utils;
});
define('select2/results',[
'./utils'
], function (Utils) {
function Results ($element, options, dataAdapter) {
this.$element = $element;
this.data = dataAdapter;
Results.__super__.constructor.call(this);
}
Utils.Extend(Results, Utils.Observable);
Results.prototype.render = function () {
var $results = $(
'<ul class="options"></ul>'
);
this.$results = $results;
return $results;
};
Results.prototype.clear = function () {
this.$results.empty();
};
Results.prototype.append = function (data) {
var $options = [];
for (var d = 0; d < data.length; d++) {
var item = data[d];
var $option = this.option(item);
$options.push($option);
}
this.$results.append($options);
};
Results.prototype.setClasses = function () {
var self = this;
this.data.current(function (selected) {
selected = $.map(selected, function (s) { return s.id; });
self.$results.find('.option.selected').removeClass('selected');
var $options = self.$results.find('.option');
$options.each(function () {
var $option = $(this);
var item = $option.data('data');
if (selected.indexOf(item.id.toString()) > -1) {
$option.addClass('selected');
}
});
});
};
Results.prototype.option = function (data) {
var $option = $(
'<li class="option highlightable selectable"></li>'
);
if (data.children && data.children.length > 0) {
$option.addClass('group').removeClass('highlightable selectable');
var $label = $('<strong class="group-label"></strong>');
$label.html(data.text);
var $children = [];
for (var c = 0; c < data.children.length; c++) {
var child = data.children[c];
var $child = this.option(child);
$children.push($child);
}
var $childrenContainer = $('<ul class="options nested-options"></ul>');
$childrenContainer.append($children);
$option.append($label);
$option.append($childrenContainer);
} else {
$option.html(data.text);
}
if (data.disabled) {
$option.removeClass('selectable').addClass('disabled');
}
$option.data('data', data);
return $option;
};
Results.prototype.bind = function (container, $container) {
var self = this;
this.on('results:all', function (data) {
self.clear();
self.append(data);
self.setClasses();
});
this.on('results:append', function (data) {
self.append(data);
self.setClasses();
});
this.$results.on('mouseup', '.option.selectable', function (evt) {
var $this = $(this);
var data = $this.data('data');
if ($this.hasClass('selected')) {
self.trigger('unselected', {
originalEvent: evt,
data: data
});
self.setClasses();
return;
}
self.trigger('selected', {
originalEvent: evt,
data: data
});
self.setClasses();
});
this.$results.on('mouseenter', '.option.highlightable', function (evt) {
self.$results.find('.option.highlighted').removeClass('highlighted');
$(this).addClass('highlighted');
});
this.$results.on('mouseleave', '.option', function (evt) {
$(this).removeClass('highlighted');
});
};
return Results;
});
define('select2/dropdown',[
'./utils'
], function (Utils) {
function Dropdown ($element, options) {
this.$element = $element;
}
Utils.Extend(Dropdown, Utils.Observable);
Dropdown.prototype.render = function () {
var $dropdown = $(
'<span class="dropdown">' +
'<span class="results"></span>' +
'</span>'
);
return $dropdown;
};
return Dropdown;
});
define('select2/selection/single',[
'../utils'
], function (Utils) {
function SingleSelection ($element, options) {
this.$element = $element;
this.options = options;
SingleSelection.__super__.constructor.call(this);
}
Utils.Extend(SingleSelection, Utils.Observable);
SingleSelection.prototype.render = function () {
var $selection = $(
'<span class="single-select">' +
'<span class="rendered-selection"></span>' +
'</span>'
);
this.$selection = $selection;
return $selection;
};
SingleSelection.prototype.bind = function (container, $container) {
var self = this;
this.$selection.on('mousedown', function (evt) {
// Only respond to left clicks
if (evt.which !== 1) {
return;
}
self.trigger('toggle', {
originalEvent: evt
});
});
container.on('selection:update', function (params) {
self.update(params.data);
});
};
SingleSelection.prototype.clear = function () {
this.$selection.find('.rendered-selection').empty();
};
SingleSelection.prototype.display = function (data) {
return data.text;
};
SingleSelection.prototype.update = function (data) {
if (data.length === 0) {
this.clear();
return;
}
var selection = data[0];
var formatted = this.display(selection);
this.$selection.find('.rendered-selection').html(formatted);
};
return SingleSelection;
});
define('select2/selection/multiple',[
'../utils'
], function (Utils) {
function MultipleSelection ($element, options) {
this.$element = $element;
this.options = options;
MultipleSelection.__super__.constructor.call(this);
}
Utils.Extend(MultipleSelection, Utils.Observable);
MultipleSelection.prototype.render = function () {
var $selection = $(
'<span class="multiple-select">' +
'<ul class="rendered-selection"></ul>' +
'</span>'
);
this.$selection = $selection;
return $selection;
};
MultipleSelection.prototype.bind = function (container, $container) {
var self = this;
this.$selection.on('click', function (evt) {
self.trigger('toggle', {
originalEvent: evt
});
});
container.on('selection:update', function (params) {
self.update(params.data);
});
};
MultipleSelection.prototype.clear = function () {
this.$selection.find('.rendered-selection').empty();
};
MultipleSelection.prototype.display = function (data) {
return data.text;
};
MultipleSelection.prototype.update = function (data) {
this.clear();
if (data.length === 0) {
return;
}
var $selections = [];
for (var d = 0; d < data.length; d++) {
var selection = data[d];
var formatted = this.display(selection);
var $selection = $('<ul class="choice"></ul>');
$selection.text(formatted);
$selection.data('data', data);
$selections.push($selection);
}
this.$selection.find('.rendered-selection').append($selections);
};
return MultipleSelection;
});
define('select2/data/base',[
'../utils'
], function (Utils) {
function BaseAdapter ($element, options) {
BaseAdapter.__super__.constructor.call(this);
}
Utils.Extend(BaseAdapter, Utils.Observable);
BaseAdapter.prototype.current = function (callback) {
throw new Error('The `current` method must be defined in child classes.');
};
BaseAdapter.prototype.query = function (params, callback) {
throw new Error('The `query` method must be defined in child classes.');
};
return BaseAdapter;
});
define('select2/data/select',[
'./base',
'../utils',
'jquery'
], function (BaseAdapter, Utils, $) {
function SelectAdapter ($element, options) {
this.$element = $element;
SelectAdapter.__super__.constructor.call(this);
}
Utils.Extend(SelectAdapter, BaseAdapter);
SelectAdapter.prototype.current = function (callback) {
var data = [];
var self = this;
this.$element.find(':selected').each(function () {
var $option = $(this);
var option = self.item($option);
data.push(option);
});
callback(data);
};
SelectAdapter.prototype.select = function (data) {
var self = this;
if (this.$element.prop('multiple')) {
this.current(function (currentData) {
var val = [];
data = [data];
data.push.apply(data, currentData);
for (var d = 0; d < data.length; d++) {
id = data[d].id;
if (val.indexOf(id) === -1) {
val.push(id);
}
}
self.$element.val(val);
self.$element.trigger('change');
});
} else {
var val = data.id;
this.$element.val(val);
this.$element.trigger('change');
}
};
SelectAdapter.prototype.unselect = function (data) {
var self = this;
if (!this.$element.prop('multiple')) {
return;
}
this.current(function (currentData) {
var val = [];
for (var d = 0; d < currentData.length; d++) {
id = currentData[d].id;
if (id !== data.id && val.indexOf(id) === -1) {
val.push(id);
}
}
self.$element.val(val);
self.$element.trigger('change');
});
};
SelectAdapter.prototype.bind = function (container, $container) {
var self = this;
container.on('select', function (params) {
self.select(params.data);
});
container.on('unselect', function (params) {
self.unselect(params.data);
});
};
SelectAdapter.prototype.query = function (params, callback) {
var data = [];
var self = this;
var $options = this.$element.children();
$options.each(function () {
var $option = $(this);
if (!$option.is('option') && !$option.is('optgroup')) {
return;
}
var option = self.item($option);
var matches = self.matches(params, option);
if (matches !== null) {
data.push(matches);
}
});
callback(data);
};
SelectAdapter.prototype.item = function ($option) {
var data = $option.data('data');
// If the data has already be generated, use it
if (data == null) {
if ($option.is('option')) {
data = {
id: $option.val(),
text: $option.html(),
disabled: $option.prop('disabled')
};
} else if ($option.is('optgroup')) {
data = {
id: -1,
text: $option.attr('label'),
children: []
};
var $children = $option.children('option');
var children = [];
for (var c = 0; c < $children.length; c++) {
var $child = $($children[c]);
var child = this.item($child);
children.push(child);
}
data.children = children;
}
$option.data('data', data);
}
return data;
};
SelectAdapter.prototype.matches = function (params, data) {
var match = $.extend(true, {}, data);
if (data.children) {
for (var c = data.children.length - 1; c >= 0; c--) {
var child = data.children[c];
var matches = this.matches(params, child);
// If there wasn't a match, remove the object in the array
if (matches === null) {
match.children.splice(c, 1);
}
}
if (match.children.length > 0) {
return match;
}
}
if ($.trim(params.term) === '') {
return match;
}
if (data.text.indexOf(params.term) > -1) {
return match;
}
return null;
};
return SelectAdapter;
});
define('select2/data/array',[
'./select',
'../utils'
], function (SelectAdapter, Utils) {
function ArrayAdapter ($element, options) {
this.data = options.options.data;
ArrayAdapter.__super__.constructor.call(this, $element, options);
}
Utils.Extend(ArrayAdapter, SelectAdapter);
ArrayAdapter.prototype.select = function (data) {
var self = this;
this.$element.find('option').each(function () {
var $option = $(this);
var option = self.item($option);
if (option.id == data.id.toString()) {
$option.remove();
}
});
var $option = this.option(data);
this.$element.append($option);
ArrayAdapter.__super__.select.call(this, data);
};
ArrayAdapter.prototype.option = function (data) {
var $option = $('<option></option>');
$option.text(data.text);
$option.val(data.id);
$option.data('data', data);
return $option;
};
ArrayAdapter.prototype.query = function (params, callback) {
var matches = [];
var self = this;
$.each(this.data, function () {
var option = this;
if (self.matches(params, option)) {
matches.push(option);
}
});
callback(matches);
};
return ArrayAdapter;
});
define('select2/data/ajax',[
'./array',
'../utils',
'jquery'
], function (ArrayAdapter, Utils, $) {
function AjaxAdapter ($element, options) {
this.ajaxOptions = options.options.ajax;
this.processResults = this.ajaxOptions.processResults ||
function (results) {
return results;
};
ArrayAdapter.__super__.constructor.call(this, $element, options);
}
Utils.Extend(AjaxAdapter, ArrayAdapter);
AjaxAdapter.prototype.query = function (params, callback) {
var matches = [];
var self = this;
var options = $.extend({
type: 'GET'
}, this.ajaxOptions);
if (typeof options.url === 'function') {
options.url = options.url(params);
}
if (typeof options.data === 'function') {
options.data = options.data(params);
}
var $request = $.ajax(options);
$request.success(function (data) {
var results = self.processResults(data);
callback(results);
});
};
return AjaxAdapter;
});
define('select2/options',[
'./results',
'./dropdown',
'./selection/single',
'./selection/multiple',
'./data/select',
'./data/array',
'./data/ajax'
], function (ResultsList, Dropdown, SingleSelection, MultipleSelection,
SelectData, ArrayData, AjaxData) {
function Options (options) {
this.options = options;
if (options.ajax) {
this.dataAdapter = this.dataAdapter || AjaxData;
} else if (options.data) {
this.dataAdapter = this.dataAdapter || ArrayData;
} else {
this.dataAdapter = this.dataAdapter || SelectData;
}
this.resultsAdapter = ResultsList;
this.dropdownAdapter = options.dropdownAdapter || Dropdown;
this.selectionAdapter = options.selectionAdapter;
if (this.selectionAdapter == null) {
if (this.options.multiple) {
this.selectionAdapter = MultipleSelection;
} else {
this.selectionAdapter = SingleSelection;
}
}
}
return Options;
});
define('select2/core',[
'jquery',
'./options',
'./utils'
], function ($, Options, Utils) {
var Select2 = function ($element, options) {
this.$element = $element;
options = options || {};
options.multiple = options.multiple || $element.prop('multiple');
this.options = new Options(options);
Select2.__super__.constructor.call(this);
// Set up containers and adapters
this.data = new this.options.dataAdapter($element, this.options);
var $container = this.render();
this.$container = $container;
$container.insertAfter(this.$element);
$container.width($element.width());
this.selection = new this.options.selectionAdapter($element, this.options);
var $selectionContainer = $container.find('.selection');
var $selection = this.selection.render();
$selectionContainer.append($selection);
this.dropdown = new this.options.dropdownAdapter($element, this.options);
var $dropdownContainer = $container.find('.dropdown-wrapper');
var $dropdown = this.dropdown.render();
$dropdownContainer.append($dropdown);
this.results = new this.options.resultsAdapter(
$element, this.options, this.data);
var $resultsContainer = $dropdown.find('.results');
var $results = this.results.render();
$resultsContainer.append($results);
// Bind events
var self = this;
this.data.bind(this, $container);
this.selection.bind(this, $container);
this.results.bind(this, $container);
this.$element.on('change', function () {
self.data.current(function (data) {
self.trigger('selection:update', {
data: data
});
});
});
this.selection.on('toggle', function () {
self.toggleDropdown();
});
this.results.on('selected', function (params) {
self.trigger('select', params);
self.trigger('close');
});
this.results.on('unselected', function (params) {
self.trigger('unselect', params);
self.trigger('close');
});
this.on('open', function () {
$container.addClass('open');
});
this.on('close', function () {
$container.removeClass('open');
});
// Set the initial state
this.data.current(function (initialData) {
self.trigger('selection:update', {
data: initialData
});
});
this.data.query({}, function (data) {
self.results.trigger('results:all', data);
});
// Hide the original select
$element.hide();
};
Utils.Extend(Select2, Utils.Observable);
Select2.prototype.toggleDropdown = function () {
if (this.$container.hasClass('open')) {
this.trigger('close');
} else {
this.trigger('open');
}
};
Select2.prototype.render = function () {
var $container = $(
'<span class="select2 select2-container select2-theme-default">' +
'<span class="selection"></span>' +
'<span class="dropdown-wrapper"></span>' +
'</span>'
);
return $container;
};
return Select2;
});