900 lines
32 KiB
JavaScript
900 lines
32 KiB
JavaScript
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/**
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* bootstrap-multiselect.js
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* https://github.com/davidstutz/bootstrap-multiselect
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*
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* Copyright 2012, 2013 David Stutz
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*
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* Dual licensed under the BSD-3-Clause and the Apache License, Version 2.0.
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*/
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!function($) {
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"use strict";// jshint ;_;
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if (typeof ko !== 'undefined' && ko.bindingHandlers && !ko.bindingHandlers.multiselect) {
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ko.bindingHandlers.multiselect = {
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init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {},
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update: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
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var config = ko.utils.unwrapObservable(valueAccessor());
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var selectOptions = allBindingsAccessor().options;
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var ms = $(element).data('multiselect');
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if (!ms) {
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$(element).multiselect(config);
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}
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else {
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ms.updateOriginalOptions();
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if (selectOptions && selectOptions().length !== ms.originalOptions.length) {
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$(element).multiselect('rebuild');
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}
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}
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}
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};
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}
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/**
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* Constructor to create a new multiselect using the given select.
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*
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* @param {jQuery} select
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* @param {Object} options
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* @returns {Multiselect}
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*/
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function Multiselect(select, options) {
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this.options = this.mergeOptions(options);
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this.$select = $(select);
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// Initialization.
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// We have to clone to create a new reference.
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this.originalOptions = this.$select.clone()[0].options;
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this.query = '';
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this.searchTimeout = null;
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this.options.multiple = this.$select.attr('multiple') === "multiple";
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this.options.onChange = $.proxy(this.options.onChange, this);
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this.options.onDropdownShow = $.proxy(this.options.onDropdownShow, this);
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this.options.onDropdownHide = $.proxy(this.options.onDropdownHide, this);
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// Build select all if enabled.
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this.buildContainer();
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this.buildButton();
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this.buildSelectAll();
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this.buildDropdown();
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this.buildDropdownOptions();
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this.buildFilter();
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this.updateButtonText();
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this.updateSelectAll();
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this.$select.hide().after(this.$container);
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};
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Multiselect.prototype = {
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defaults: {
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/**
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* Default text function will either print 'None selected' in case no
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* option is selected or a list of the selected options up to a length of 3 selected options.
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*
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* @param {jQuery} options
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* @param {jQuery} select
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* @returns {String}
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*/
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buttonText: function(options, select) {
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if (options.length === 0) {
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return this.nonSelectedText + ' <b class="caret"></b>';
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}
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else {
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if (options.length > this.numberDisplayed) {
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return options.length + ' ' + this.nSelectedText + ' <b class="caret"></b>';
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}
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else {
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var selected = '';
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options.each(function() {
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var label = ($(this).attr('label') !== undefined) ? $(this).attr('label') : $(this).html();
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selected += label + ', ';
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});
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return selected.substr(0, selected.length - 2) + ' <b class="caret"></b>';
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}
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}
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},
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/**
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* Updates the title of the button similar to the buttonText function.
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* @param {jQuery} options
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* @param {jQuery} select
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* @returns {@exp;selected@call;substr}
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*/
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buttonTitle: function(options, select) {
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if (options.length === 0) {
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return this.nonSelectedText;
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}
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else {
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var selected = '';
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options.each(function () {
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selected += $(this).text() + ', ';
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});
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return selected.substr(0, selected.length - 2);
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}
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},
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/**
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* Create a label.
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*
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* @param {jQuery} element
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* @returns {String}
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*/
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label: function(element){
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return $(element).attr('label') || $(element).html();
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},
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/**
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* Triggered on change of the multiselect.
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* Not triggered when selecting/deselecting options manually.
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*
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* @param {jQuery} option
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* @param {Boolean} checked
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*/
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onChange : function(option, checked) {
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},
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/**
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* Triggered when the dropdown is shown.
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*
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* @param {jQuery} event
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*/
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onDropdownShow: function(event) {
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},
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/**
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* Triggered when the dropdown is hidden.
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*
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* @param {jQuery} event
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*/
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onDropdownHide: function(event) {
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},
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buttonClass: 'btn btn-default',
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dropRight: false,
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selectedClass: 'active',
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buttonWidth: 'auto',
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buttonContainer: '<div class="btn-group" />',
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// Maximum height of the dropdown menu.
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// If maximum height is exceeded a scrollbar will be displayed.
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maxHeight: false,
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includeSelectAllOption: false,
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selectAllText: ' Select all',
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selectAllValue: 'multiselect-all',
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enableFiltering: false,
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enableCaseInsensitiveFiltering: false,
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filterPlaceholder: 'Search',
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// possible options: 'text', 'value', 'both'
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filterBehavior: 'text',
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preventInputChangeEvent: false,
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nonSelectedText: 'None selected',
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nSelectedText: 'selected',
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numberDisplayed: 3
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},
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templates: {
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button: '<button type="button" class="multiselect dropdown-toggle" data-toggle="dropdown"></button>',
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ul: '<ul class="multiselect-container dropdown-menu"></ul>',
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filter: '<div class="input-group"><span class="input-group-addon"><i class="glyphicon glyphicon-search"></i></span><input class="form-control multiselect-search" type="text"></div>',
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li: '<li><a href="javascript:void(0);"><label></label></a></li>',
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divider: '<li class="divider"></li>',
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liGroup: '<li><label class="multiselect-group"></label></li>'
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},
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constructor: Multiselect,
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/**
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* Builds the container of the multiselect.
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*/
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buildContainer: function() {
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this.$container = $(this.options.buttonContainer);
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this.$container.on('show.bs.dropdown', this.options.onDropdownShow);
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this.$container.on('hide.bs.dropdown', this.options.onDropdownHide);
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},
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/**
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* Builds the button of the multiselect.
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*/
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buildButton: function() {
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this.$button = $(this.templates.button).addClass(this.options.buttonClass);
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// Adopt active state.
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if (this.$select.prop('disabled')) {
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this.disable();
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}
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else {
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this.enable();
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}
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// Manually add button width if set.
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if (this.options.buttonWidth && this.options.buttonWidth != 'auto') {
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this.$button.css({
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'width' : this.options.buttonWidth
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});
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}
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// Keep the tab index from the select.
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var tabindex = this.$select.attr('tabindex');
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if (tabindex) {
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this.$button.attr('tabindex', tabindex);
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}
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this.$container.prepend(this.$button);
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},
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/**
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* Builds the ul representing the dropdown menu.
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*/
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buildDropdown: function() {
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// Build ul.
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this.$ul = $(this.templates.ul);
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if (this.options.dropRight) {
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this.$ul.addClass('pull-right');
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}
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// Set max height of dropdown menu to activate auto scrollbar.
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if (this.options.maxHeight) {
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// TODO: Add a class for this option to move the css declarations.
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this.$ul.css({
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'max-height': this.options.maxHeight + 'px',
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'overflow-y': 'auto',
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'overflow-x': 'hidden'
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});
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}
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this.$container.append(this.$ul);
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},
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/**
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* Build the dropdown options and binds all nessecary events.
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* Uses createDivider and createOptionValue to create the necessary options.
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*/
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buildDropdownOptions: function() {
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this.$select.children().each($.proxy(function(index, element) {
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// Support optgroups and options without a group simultaneously.
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var tag = $(element).prop('tagName')
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.toLowerCase();
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if (tag === 'optgroup') {
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this.createOptgroup(element);
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}
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else if (tag === 'option') {
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if ($(element).data('role') === 'divider') {
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this.createDivider();
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}
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else {
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this.createOptionValue(element);
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}
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}
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// Other illegal tags will be ignored.
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}, this));
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// Bind the change event on the dropdown elements.
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$('li input', this.$ul).on('change', $.proxy(function(event) {
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var checked = $(event.target).prop('checked') || false;
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var isSelectAllOption = $(event.target).val() === this.options.selectAllValue;
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// Apply or unapply the configured selected class.
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if (this.options.selectedClass) {
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if (checked) {
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$(event.target).parents('li')
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.addClass(this.options.selectedClass);
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}
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else {
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$(event.target).parents('li')
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.removeClass(this.options.selectedClass);
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}
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}
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// Get the corresponding option.
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var value = $(event.target).val();
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var $option = this.getOptionByValue(value);
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var $optionsNotThis = $('option', this.$select).not($option);
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var $checkboxesNotThis = $('input', this.$container).not($(event.target));
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if (isSelectAllOption) {
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if (this.$select[0][0].value === this.options.selectAllValue) {
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var values = [];
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var options = $('option[value!="' + this.options.selectAllValue + '"]', this.$select);
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for (var i = 0; i < options.length; i++) {
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// Additionally check whether the option is visible within the dropcown.
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if (options[i].value !== this.options.selectAllValue && this.getInputByValue(options[i].value).is(':visible')) {
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values.push(options[i].value);
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}
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}
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if (checked) {
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this.select(values);
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}
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else {
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this.deselect(values);
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}
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}
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}
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if (checked) {
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$option.prop('selected', true);
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if (this.options.multiple) {
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// Simply select additional option.
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$option.prop('selected', true);
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}
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else {
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// Unselect all other options and corresponding checkboxes.
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if (this.options.selectedClass) {
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$($checkboxesNotThis).parents('li').removeClass(this.options.selectedClass);
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}
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$($checkboxesNotThis).prop('checked', false);
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$optionsNotThis.prop('selected', false);
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// It's a single selection, so close.
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this.$button.click();
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}
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if (this.options.selectedClass === "active") {
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$optionsNotThis.parents("a").css("outline", "");
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}
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}
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else {
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// Unselect option.
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$option.prop('selected', false);
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}
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this.$select.change();
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this.options.onChange($option, checked);
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this.updateButtonText();
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this.updateSelectAll();
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if(this.options.preventInputChangeEvent) {
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return false;
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}
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}, this));
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$('li a', this.$ul).on('touchstart click', function(event) {
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event.stopPropagation();
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if (event.shiftKey) {
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var checked = $(event.target).prop('checked') || false;
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if (checked) {
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var prev = $(event.target).parents('li:last')
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.siblings('li[class="active"]:first');
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var currentIdx = $(event.target).parents('li')
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.index();
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var prevIdx = prev.index();
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if (currentIdx > prevIdx) {
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$(event.target).parents("li:last").prevUntil(prev).each(
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function() {
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$(this).find("input:first").prop("checked", true)
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.trigger("change");
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}
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);
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}
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else {
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$(event.target).parents("li:last").nextUntil(prev).each(
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function() {
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$(this).find("input:first").prop("checked", true)
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.trigger("change");
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}
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);
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}
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}
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}
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$(event.target).blur();
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});
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// Keyboard support.
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|
|
this.$container.on('keydown', $.proxy(function(event) {
|
||
|
|
if ($('input[type="text"]', this.$container).is(':focus')) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if ((event.keyCode === 9 || event.keyCode === 27)
|
||
|
|
&& this.$container.hasClass('open')) {
|
||
|
|
|
||
|
|
// Close on tab or escape.
|
||
|
|
this.$button.click();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
var $items = $(this.$container).find("li:not(.divider):visible a");
|
||
|
|
|
||
|
|
if (!$items.length) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
var index = $items.index($items.filter(':focus'));
|
||
|
|
|
||
|
|
// Navigation up.
|
||
|
|
if (event.keyCode === 38 && index > 0) {
|
||
|
|
index--;
|
||
|
|
}
|
||
|
|
// Navigate down.
|
||
|
|
else if (event.keyCode === 40 && index < $items.length - 1) {
|
||
|
|
index++;
|
||
|
|
}
|
||
|
|
else if (!~index) {
|
||
|
|
index = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
var $current = $items.eq(index);
|
||
|
|
$current.focus();
|
||
|
|
|
||
|
|
if (event.keyCode === 32 || event.keyCode === 13) {
|
||
|
|
var $checkbox = $current.find('input');
|
||
|
|
|
||
|
|
$checkbox.prop("checked", !$checkbox.prop("checked"));
|
||
|
|
$checkbox.change();
|
||
|
|
}
|
||
|
|
|
||
|
|
event.stopPropagation();
|
||
|
|
event.preventDefault();
|
||
|
|
}
|
||
|
|
}, this));
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create an option using the given select option.
|
||
|
|
*
|
||
|
|
* @param {jQuery} element
|
||
|
|
*/
|
||
|
|
createOptionValue: function(element) {
|
||
|
|
if ($(element).is(':selected')) {
|
||
|
|
$(element).prop('selected', true);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Support the label attribute on options.
|
||
|
|
var label = this.options.label(element);
|
||
|
|
var value = $(element).val();
|
||
|
|
var inputType = this.options.multiple ? "checkbox" : "radio";
|
||
|
|
|
||
|
|
var $li = $(this.templates.li);
|
||
|
|
$('label', $li).addClass(inputType);
|
||
|
|
$('label', $li).append('<input type="' + inputType + '" />');
|
||
|
|
|
||
|
|
var selected = $(element).prop('selected') || false;
|
||
|
|
var $checkbox = $('input', $li);
|
||
|
|
$checkbox.val(value);
|
||
|
|
|
||
|
|
if (value === this.options.selectAllValue) {
|
||
|
|
$checkbox.parent().parent()
|
||
|
|
.addClass('multiselect-all');
|
||
|
|
}
|
||
|
|
|
||
|
|
$('label', $li).append(" " + label);
|
||
|
|
|
||
|
|
this.$ul.append($li);
|
||
|
|
|
||
|
|
if ($(element).is(':disabled')) {
|
||
|
|
$checkbox.attr('disabled', 'disabled')
|
||
|
|
.prop('disabled', true)
|
||
|
|
.parents('li')
|
||
|
|
.addClass('disabled');
|
||
|
|
}
|
||
|
|
|
||
|
|
$checkbox.prop('checked', selected);
|
||
|
|
|
||
|
|
if (selected && this.options.selectedClass) {
|
||
|
|
$checkbox.parents('li')
|
||
|
|
.addClass(this.options.selectedClass);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a divider using the given select option.
|
||
|
|
*
|
||
|
|
* @param {jQuery} element
|
||
|
|
*/
|
||
|
|
createDivider: function(element) {
|
||
|
|
var $divider = $(this.templates.divider);
|
||
|
|
this.$ul.append($divider);
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates an optgroup.
|
||
|
|
*
|
||
|
|
* @param {jQuery} group
|
||
|
|
*/
|
||
|
|
createOptgroup: function(group) {
|
||
|
|
var groupName = $(group).prop('label');
|
||
|
|
|
||
|
|
// Add a header for the group.
|
||
|
|
var $li = $(this.templates.liGroup);
|
||
|
|
$('label', $li).text(groupName);
|
||
|
|
|
||
|
|
this.$ul.append($li);
|
||
|
|
|
||
|
|
// Add the options of the group.
|
||
|
|
$('option', group).each($.proxy(function(index, element) {
|
||
|
|
this.createOptionValue(element);
|
||
|
|
}, this));
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Build the selct all.
|
||
|
|
* Checks if a select all ahs already been created.
|
||
|
|
*/
|
||
|
|
buildSelectAll: function() {
|
||
|
|
var alreadyHasSelectAll = this.hasSelectAll();
|
||
|
|
|
||
|
|
// If options.includeSelectAllOption === true, add the include all checkbox.
|
||
|
|
if (this.options.includeSelectAllOption && this.options.multiple && !alreadyHasSelectAll) {
|
||
|
|
this.$select.prepend('<option value="' + this.options.selectAllValue + '">' + this.options.selectAllText + '</option>');
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Builds the filter.
|
||
|
|
*/
|
||
|
|
buildFilter: function() {
|
||
|
|
|
||
|
|
// Build filter if filtering OR case insensitive filtering is enabled and the number of options exceeds (or equals) enableFilterLength.
|
||
|
|
if (this.options.enableFiltering || this.options.enableCaseInsensitiveFiltering) {
|
||
|
|
var enableFilterLength = Math.max(this.options.enableFiltering, this.options.enableCaseInsensitiveFiltering);
|
||
|
|
|
||
|
|
if (this.$select.find('option').length >= enableFilterLength) {
|
||
|
|
|
||
|
|
this.$filter = $(this.templates.filter);
|
||
|
|
$('input', this.$filter).attr('placeholder', this.options.filterPlaceholder);
|
||
|
|
this.$ul.prepend(this.$filter);
|
||
|
|
|
||
|
|
this.$filter.val(this.query).on('click', function(event) {
|
||
|
|
event.stopPropagation();
|
||
|
|
}).on('input keydown', $.proxy(function(event) {
|
||
|
|
// This is useful to catch "keydown" events after the browser has updated the control.
|
||
|
|
clearTimeout(this.searchTimeout);
|
||
|
|
|
||
|
|
this.searchTimeout = this.asyncFunction($.proxy(function() {
|
||
|
|
|
||
|
|
if (this.query !== event.target.value) {
|
||
|
|
this.query = event.target.value;
|
||
|
|
|
||
|
|
$.each($('li', this.$ul), $.proxy(function(index, element) {
|
||
|
|
var value = $('input', element).val();
|
||
|
|
var text = $('label', element).text();
|
||
|
|
|
||
|
|
if (value !== this.options.selectAllValue && text) {
|
||
|
|
// by default lets assume that element is not
|
||
|
|
// interesting for this search
|
||
|
|
var showElement = false;
|
||
|
|
|
||
|
|
var filterCandidate = '';
|
||
|
|
if ((this.options.filterBehavior === 'text' || this.options.filterBehavior === 'both')) {
|
||
|
|
filterCandidate = text;
|
||
|
|
}
|
||
|
|
if ((this.options.filterBehavior === 'value' || this.options.filterBehavior === 'both')) {
|
||
|
|
filterCandidate = value;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.options.enableCaseInsensitiveFiltering && filterCandidate.toLowerCase().indexOf(this.query.toLowerCase()) > -1) {
|
||
|
|
showElement = true;
|
||
|
|
}
|
||
|
|
else if (filterCandidate.indexOf(this.query) > -1) {
|
||
|
|
showElement = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (showElement) {
|
||
|
|
$(element).show();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$(element).hide();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}, this));
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO: check whether select all option needs to be updated.
|
||
|
|
}, this), 300, this);
|
||
|
|
}, this));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Unbinds the whole plugin.
|
||
|
|
*/
|
||
|
|
destroy: function() {
|
||
|
|
this.$container.remove();
|
||
|
|
this.$select.show();
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Refreshs the multiselect based on the selected options of the select.
|
||
|
|
*/
|
||
|
|
refresh: function() {
|
||
|
|
$('option', this.$select).each($.proxy(function(index, element) {
|
||
|
|
var $input = $('li input', this.$ul).filter(function() {
|
||
|
|
return $(this).val() === $(element).val();
|
||
|
|
});
|
||
|
|
|
||
|
|
if ($(element).is(':selected')) {
|
||
|
|
$input.prop('checked', true);
|
||
|
|
|
||
|
|
if (this.options.selectedClass) {
|
||
|
|
$input.parents('li')
|
||
|
|
.addClass(this.options.selectedClass);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$input.prop('checked', false);
|
||
|
|
|
||
|
|
if (this.options.selectedClass) {
|
||
|
|
$input.parents('li')
|
||
|
|
.removeClass(this.options.selectedClass);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($(element).is(":disabled")) {
|
||
|
|
$input.attr('disabled', 'disabled')
|
||
|
|
.prop('disabled', true)
|
||
|
|
.parents('li')
|
||
|
|
.addClass('disabled');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$input.prop('disabled', false)
|
||
|
|
.parents('li')
|
||
|
|
.removeClass('disabled');
|
||
|
|
}
|
||
|
|
}, this));
|
||
|
|
|
||
|
|
this.updateButtonText();
|
||
|
|
this.updateSelectAll();
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Select all options of the given values.
|
||
|
|
*
|
||
|
|
* @param {Array} selectValues
|
||
|
|
*/
|
||
|
|
select: function(selectValues) {
|
||
|
|
if(selectValues && !$.isArray(selectValues)) {
|
||
|
|
selectValues = [selectValues];
|
||
|
|
}
|
||
|
|
|
||
|
|
for (var i = 0; i < selectValues.length; i++) {
|
||
|
|
var value = selectValues[i];
|
||
|
|
|
||
|
|
var $option = this.getOptionByValue(value);
|
||
|
|
var $checkbox = this.getInputByValue(value);
|
||
|
|
|
||
|
|
if (this.options.selectedClass) {
|
||
|
|
$checkbox.parents('li')
|
||
|
|
.addClass(this.options.selectedClass);
|
||
|
|
}
|
||
|
|
|
||
|
|
$checkbox.prop('checked', true);
|
||
|
|
$option.prop('selected', true);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.updateButtonText();
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Deselects all options of the given values.
|
||
|
|
*
|
||
|
|
* @param {Array} deselectValues
|
||
|
|
*/
|
||
|
|
deselect: function(deselectValues) {
|
||
|
|
if(deselectValues && !$.isArray(deselectValues)) {
|
||
|
|
deselectValues = [deselectValues];
|
||
|
|
}
|
||
|
|
|
||
|
|
for (var i = 0; i < deselectValues.length; i++) {
|
||
|
|
|
||
|
|
var value = deselectValues[i];
|
||
|
|
|
||
|
|
var $option = this.getOptionByValue(value);
|
||
|
|
var $checkbox = this.getInputByValue(value);
|
||
|
|
|
||
|
|
if (this.options.selectedClass) {
|
||
|
|
$checkbox.parents('li')
|
||
|
|
.removeClass(this.options.selectedClass);
|
||
|
|
}
|
||
|
|
|
||
|
|
$checkbox.prop('checked', false);
|
||
|
|
$option.prop('selected', false);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.updateButtonText();
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Rebuild the plugin.
|
||
|
|
* Rebuilds the dropdown, the filter and the select all option.
|
||
|
|
*/
|
||
|
|
rebuild: function() {
|
||
|
|
this.$ul.html('');
|
||
|
|
|
||
|
|
// Remove select all option in select.
|
||
|
|
$('option[value="' + this.options.selectAllValue + '"]', this.$select).remove();
|
||
|
|
|
||
|
|
// Important to distinguish between radios and checkboxes.
|
||
|
|
this.options.multiple = this.$select.attr('multiple') === "multiple";
|
||
|
|
|
||
|
|
this.buildSelectAll();
|
||
|
|
this.buildDropdownOptions();
|
||
|
|
this.buildFilter();
|
||
|
|
|
||
|
|
this.updateButtonText();
|
||
|
|
this.updateSelectAll();
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The provided data will be used to build the dropdown.
|
||
|
|
*
|
||
|
|
* @param {Array} dataprovider
|
||
|
|
*/
|
||
|
|
dataprovider: function(dataprovider) {
|
||
|
|
var optionDOM = "";
|
||
|
|
dataprovider.forEach(function (option) {
|
||
|
|
optionDOM += '<option value="' + option.value + '">' + option.label + '</option>';
|
||
|
|
});
|
||
|
|
|
||
|
|
this.$select.html(optionDOM);
|
||
|
|
this.rebuild();
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Enable the multiselect.
|
||
|
|
*/
|
||
|
|
enable: function() {
|
||
|
|
this.$select.prop('disabled', false);
|
||
|
|
this.$button.prop('disabled', false)
|
||
|
|
.removeClass('disabled');
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Disable the multiselect.
|
||
|
|
*/
|
||
|
|
disable: function() {
|
||
|
|
this.$select.prop('disabled', true);
|
||
|
|
this.$button.prop('disabled', true)
|
||
|
|
.addClass('disabled');
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the options.
|
||
|
|
*
|
||
|
|
* @param {Array} options
|
||
|
|
*/
|
||
|
|
setOptions: function(options) {
|
||
|
|
this.options = this.mergeOptions(options);
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Merges the given options with the default options.
|
||
|
|
*
|
||
|
|
* @param {Array} options
|
||
|
|
* @returns {Array}
|
||
|
|
*/
|
||
|
|
mergeOptions: function(options) {
|
||
|
|
return $.extend({}, this.defaults, options);
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks whether a select all option is present.
|
||
|
|
*
|
||
|
|
* @returns {Boolean}
|
||
|
|
*/
|
||
|
|
hasSelectAll: function() {
|
||
|
|
return this.$select[0][0] ? this.$select[0][0].value === this.options.selectAllValue : false;
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Updates the select all option based on the currently selected options.
|
||
|
|
*/
|
||
|
|
updateSelectAll: function() {
|
||
|
|
if (this.hasSelectAll()) {
|
||
|
|
var selected = this.getSelected();
|
||
|
|
|
||
|
|
if (selected.length === $('option', this.$select).length - 1) {
|
||
|
|
this.select(this.options.selectAllValue);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.deselect(this.options.selectAllValue);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Update the button text and its title base don the currenty selected options.
|
||
|
|
*/
|
||
|
|
updateButtonText: function() {
|
||
|
|
var options = this.getSelected();
|
||
|
|
|
||
|
|
// First update the displayed button text.
|
||
|
|
$('button', this.$container).html(this.options.buttonText(options, this.$select));
|
||
|
|
|
||
|
|
// Now update the title attribute of the button.
|
||
|
|
$('button', this.$container).attr('title', this.options.buttonTitle(options, this.$select));
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get all selected options.
|
||
|
|
*
|
||
|
|
* @returns {jQUery}
|
||
|
|
*/
|
||
|
|
getSelected: function() {
|
||
|
|
return $('option[value!="' + this.options.selectAllValue + '"]:selected', this.$select).filter(function() {
|
||
|
|
return $(this).prop('selected');
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets a select option by its value.
|
||
|
|
*
|
||
|
|
* @param {String} value
|
||
|
|
* @returns {jQuery}
|
||
|
|
*/
|
||
|
|
getOptionByValue: function(value) {
|
||
|
|
return $('option', this.$select).filter(function() {
|
||
|
|
return $(this).val() === value;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the input (radio/checkbox) by its value.
|
||
|
|
*
|
||
|
|
* @param {String} value
|
||
|
|
* @returns {jQuery}
|
||
|
|
*/
|
||
|
|
getInputByValue: function(value) {
|
||
|
|
return $('li input', this.$ul).filter(function() {
|
||
|
|
return $(this).val() === value;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Used for knockout integration.
|
||
|
|
*/
|
||
|
|
updateOriginalOptions: function() {
|
||
|
|
this.originalOptions = this.$select.clone()[0].options;
|
||
|
|
},
|
||
|
|
|
||
|
|
asyncFunction: function(callback, timeout, self) {
|
||
|
|
var args = Array.prototype.slice.call(arguments, 3);
|
||
|
|
return setTimeout(function() {
|
||
|
|
callback.apply(self || window, args);
|
||
|
|
}, timeout);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
$.fn.multiselect = function(option, parameter) {
|
||
|
|
return this.each(function() {
|
||
|
|
var data = $(this).data('multiselect');
|
||
|
|
var options = typeof option === 'object' && option;
|
||
|
|
|
||
|
|
// Initialize the multiselect.
|
||
|
|
if (!data) {
|
||
|
|
$(this).data('multiselect', ( data = new Multiselect(this, options)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Call multiselect method.
|
||
|
|
if (typeof option === 'string') {
|
||
|
|
data[option](parameter);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
$.fn.multiselect.Constructor = Multiselect;
|
||
|
|
|
||
|
|
$(function() {
|
||
|
|
$("select[data-role=multiselect]").multiselect();
|
||
|
|
});
|
||
|
|
|
||
|
|
}(window.jQuery);
|