From 8ee4f89825de178b301fa909532c7111e1dbb3ec Mon Sep 17 00:00:00 2001 From: Christian Klinger Date: Wed, 15 Jun 2016 14:37:11 +0200 Subject: Multiple locations per exam. --- .../bootstrap_multiselect/clientscript.js | 1699 ++++++++++++++++++++ .../bootstrap_multiselect/config.json | 3 + modules-available/bootstrap_multiselect/style.css | 1 + 3 files changed, 1703 insertions(+) create mode 100644 modules-available/bootstrap_multiselect/clientscript.js create mode 100644 modules-available/bootstrap_multiselect/config.json create mode 100644 modules-available/bootstrap_multiselect/style.css (limited to 'modules-available/bootstrap_multiselect') diff --git a/modules-available/bootstrap_multiselect/clientscript.js b/modules-available/bootstrap_multiselect/clientscript.js new file mode 100644 index 00000000..c1cf4c05 --- /dev/null +++ b/modules-available/bootstrap_multiselect/clientscript.js @@ -0,0 +1,1699 @@ +/** + * Bootstrap Multiselect (https://github.com/davidstutz/bootstrap-multiselect) + * + * Apache License, Version 2.0: + * Copyright (c) 2012 - 2015 David Stutz + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may not + * use this file except in compliance with the License. You may obtain a + * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + * BSD 3-Clause License: + * Copyright (c) 2012 - 2015 David Stutz + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - Neither the name of David Stutz nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +!function ($) { + "use strict";// jshint ;_; + + if (typeof ko !== 'undefined' && ko.bindingHandlers && !ko.bindingHandlers.multiselect) { + ko.bindingHandlers.multiselect = { + after: ['options', 'value', 'selectedOptions', 'enable', 'disable'], + + init: function(element, valueAccessor, allBindings, viewModel, bindingContext) { + var $element = $(element); + var config = ko.toJS(valueAccessor()); + + $element.multiselect(config); + + if (allBindings.has('options')) { + var options = allBindings.get('options'); + if (ko.isObservable(options)) { + ko.computed({ + read: function() { + options(); + setTimeout(function() { + var ms = $element.data('multiselect'); + if (ms) + ms.updateOriginalOptions();//Not sure how beneficial this is. + $element.multiselect('rebuild'); + }, 1); + }, + disposeWhenNodeIsRemoved: element + }); + } + } + + //value and selectedOptions are two-way, so these will be triggered even by our own actions. + //It needs some way to tell if they are triggered because of us or because of outside change. + //It doesn't loop but it's a waste of processing. + if (allBindings.has('value')) { + var value = allBindings.get('value'); + if (ko.isObservable(value)) { + ko.computed({ + read: function() { + value(); + setTimeout(function() { + $element.multiselect('refresh'); + }, 1); + }, + disposeWhenNodeIsRemoved: element + }).extend({ rateLimit: 100, notifyWhenChangesStop: true }); + } + } + + //Switched from arrayChange subscription to general subscription using 'refresh'. + //Not sure performance is any better using 'select' and 'deselect'. + if (allBindings.has('selectedOptions')) { + var selectedOptions = allBindings.get('selectedOptions'); + if (ko.isObservable(selectedOptions)) { + ko.computed({ + read: function() { + selectedOptions(); + setTimeout(function() { + $element.multiselect('refresh'); + }, 1); + }, + disposeWhenNodeIsRemoved: element + }).extend({ rateLimit: 100, notifyWhenChangesStop: true }); + } + } + + var setEnabled = function (enable) { + setTimeout(function () { + if (enable) + $element.multiselect('enable'); + else + $element.multiselect('disable'); + }); + }; + + if (allBindings.has('enable')) { + var enable = allBindings.get('enable'); + if (ko.isObservable(enable)) { + ko.computed({ + read: function () { + setEnabled(enable()); + }, + disposeWhenNodeIsRemoved: element + }).extend({ rateLimit: 100, notifyWhenChangesStop: true }); + } else { + setEnabled(enable); + } + } + + if (allBindings.has('disable')) { + var disable = allBindings.get('disable'); + if (ko.isObservable(disable)) { + ko.computed({ + read: function () { + setEnabled(!disable()); + }, + disposeWhenNodeIsRemoved: element + }).extend({ rateLimit: 100, notifyWhenChangesStop: true }); + } else { + setEnabled(!disable); + } + } + + ko.utils.domNodeDisposal.addDisposeCallback(element, function() { + $element.multiselect('destroy'); + }); + }, + + update: function(element, valueAccessor, allBindings, viewModel, bindingContext) { + var $element = $(element); + var config = ko.toJS(valueAccessor()); + + $element.multiselect('setOptions', config); + $element.multiselect('rebuild'); + } + }; + } + + function forEach(array, callback) { + for (var index = 0; index < array.length; ++index) { + callback(array[index], index); + } + } + + /** + * Constructor to create a new multiselect using the given select. + * + * @param {jQuery} select + * @param {Object} options + * @returns {Multiselect} + */ + function Multiselect(select, options) { + + this.$select = $(select); + + // Placeholder via data attributes + if (this.$select.attr("data-placeholder")) { + options.nonSelectedText = this.$select.data("placeholder"); + } + + this.options = this.mergeOptions($.extend({}, options, this.$select.data())); + + // Initialization. + // We have to clone to create a new reference. + this.originalOptions = this.$select.clone()[0].options; + this.query = ''; + this.searchTimeout = null; + this.lastToggledInput = null; + + this.options.multiple = this.$select.attr('multiple') === "multiple"; + this.options.onChange = $.proxy(this.options.onChange, this); + this.options.onSelectAll = $.proxy(this.options.onSelectAll, this); + this.options.onDeselectAll = $.proxy(this.options.onDeselectAll, this); + this.options.onDropdownShow = $.proxy(this.options.onDropdownShow, this); + this.options.onDropdownHide = $.proxy(this.options.onDropdownHide, this); + this.options.onDropdownShown = $.proxy(this.options.onDropdownShown, this); + this.options.onDropdownHidden = $.proxy(this.options.onDropdownHidden, this); + this.options.onInitialized = $.proxy(this.options.onInitialized, this); + this.options.onFiltering = $.proxy(this.options.onFiltering, this); + + // Build select all if enabled. + this.buildContainer(); + this.buildButton(); + this.buildDropdown(); + this.buildSelectAll(); + this.buildDropdownOptions(); + this.buildFilter(); + + this.updateButtonText(); + this.updateSelectAll(true); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + + if (this.options.disableIfEmpty && $('option', this.$select).length <= 0) { + this.disable(); + } + + this.$select.wrap('').after(this.$container); + this.options.onInitialized(this.$select, this.$container); + } + + Multiselect.prototype = { + + defaults: { + /** + * Default text function will either print 'None selected' in case no + * option is selected or a list of the selected options up to a length + * of 3 selected options. + * + * @param {jQuery} options + * @param {jQuery} select + * @returns {String} + */ + buttonText: function(options, select) { + if (this.disabledText.length > 0 + && (select.prop('disabled') || (options.length == 0 && this.disableIfEmpty))) { + + return this.disabledText; + } + else if (options.length === 0) { + return this.nonSelectedText; + } + else if (this.allSelectedText + && options.length === $('option', $(select)).length + && $('option', $(select)).length !== 1 + && this.multiple) { + + if (this.selectAllNumber) { + return this.allSelectedText + ' (' + options.length + ')'; + } + else { + return this.allSelectedText; + } + } + else if (options.length > this.numberDisplayed) { + return options.length + ' ' + this.nSelectedText; + } + else { + var selected = ''; + var delimiter = this.delimiterText; + + options.each(function() { + var label = ($(this).attr('label') !== undefined) ? $(this).attr('label') : $(this).text(); + selected += label + delimiter; + }); + + return selected.substr(0, selected.length - this.delimiterText.length); + } + }, + /** + * Updates the title of the button similar to the buttonText function. + * + * @param {jQuery} options + * @param {jQuery} select + * @returns {@exp;selected@call;substr} + */ + buttonTitle: function(options, select) { + if (options.length === 0) { + return this.nonSelectedText; + } + else { + var selected = ''; + var delimiter = this.delimiterText; + + options.each(function () { + var label = ($(this).attr('label') !== undefined) ? $(this).attr('label') : $(this).text(); + selected += label + delimiter; + }); + return selected.substr(0, selected.length - this.delimiterText.length); + } + }, + checkboxName: function(option) { + return false; // no checkbox name + }, + /** + * Create a label. + * + * @param {jQuery} element + * @returns {String} + */ + optionLabel: function(element){ + return $(element).attr('label') || $(element).text(); + }, + /** + * Create a class. + * + * @param {jQuery} element + * @returns {String} + */ + optionClass: function(element) { + return $(element).attr('class') || ''; + }, + /** + * Triggered on change of the multiselect. + * + * Not triggered when selecting/deselecting options manually. + * + * @param {jQuery} option + * @param {Boolean} checked + */ + onChange : function(option, checked) { + + }, + /** + * Triggered when the dropdown is shown. + * + * @param {jQuery} event + */ + onDropdownShow: function(event) { + + }, + /** + * Triggered when the dropdown is hidden. + * + * @param {jQuery} event + */ + onDropdownHide: function(event) { + + }, + /** + * Triggered after the dropdown is shown. + * + * @param {jQuery} event + */ + onDropdownShown: function(event) { + + }, + /** + * Triggered after the dropdown is hidden. + * + * @param {jQuery} event + */ + onDropdownHidden: function(event) { + + }, + /** + * Triggered on select all. + */ + onSelectAll: function() { + + }, + /** + * Triggered on deselect all. + */ + onDeselectAll: function() { + + }, + /** + * Triggered after initializing. + * + * @param {jQuery} $select + * @param {jQuery} $container + */ + onInitialized: function($select, $container) { + + }, + /** + * Triggered on filtering. + * + * @param {jQuery} $filter + */ + onFiltering: function($filter) { + + }, + enableHTML: false, + buttonClass: 'btn btn-default', + inheritClass: false, + buttonWidth: 'auto', + buttonContainer: '
', + dropRight: false, + dropUp: false, + selectedClass: 'active', + // Maximum height of the dropdown menu. + // If maximum height is exceeded a scrollbar will be displayed. + maxHeight: false, + includeSelectAllOption: false, + includeSelectAllIfMoreThan: 0, + selectAllText: ' Select all', + selectAllValue: 'multiselect-all', + selectAllName: false, + selectAllNumber: true, + selectAllJustVisible: true, + enableFiltering: false, + enableCaseInsensitiveFiltering: false, + enableFullValueFiltering: false, + enableClickableOptGroups: false, + enableCollapsibleOptGroups: false, + filterPlaceholder: 'Search', + // possible options: 'text', 'value', 'both' + filterBehavior: 'text', + includeFilterClearBtn: true, + preventInputChangeEvent: false, + nonSelectedText: 'None selected', + nSelectedText: 'selected', + allSelectedText: 'All selected', + numberDisplayed: 3, + disableIfEmpty: false, + disabledText: '', + delimiterText: ', ', + templates: { + button: '', + ul: '', + filter: '
    • ', + filterClearBtn: '', + li: '
    • ', + divider: '
  • ', + liGroup: '
    • ' + } + }, + + constructor: Multiselect, + + /** + * Builds the container of the multiselect. + */ + buildContainer: function() { + this.$container = $(this.options.buttonContainer); + this.$container.on('show.bs.dropdown', this.options.onDropdownShow); + this.$container.on('hide.bs.dropdown', this.options.onDropdownHide); + this.$container.on('shown.bs.dropdown', this.options.onDropdownShown); + this.$container.on('hidden.bs.dropdown', this.options.onDropdownHidden); + }, + + /** + * Builds the button of the multiselect. + */ + buildButton: function() { + this.$button = $(this.options.templates.button).addClass(this.options.buttonClass); + if (this.$select.attr('class') && this.options.inheritClass) { + this.$button.addClass(this.$select.attr('class')); + } + // Adopt active state. + if (this.$select.prop('disabled')) { + this.disable(); + } + else { + this.enable(); + } + + // Manually add button width if set. + if (this.options.buttonWidth && this.options.buttonWidth !== 'auto') { + this.$button.css({ + 'width' : '100%', //this.options.buttonWidth, + 'overflow' : 'hidden', + 'text-overflow' : 'ellipsis' + }); + this.$container.css({ + 'width': this.options.buttonWidth + }); + } + + // Keep the tab index from the select. + var tabindex = this.$select.attr('tabindex'); + if (tabindex) { + this.$button.attr('tabindex', tabindex); + } + + this.$container.prepend(this.$button); + }, + + /** + * Builds the ul representing the dropdown menu. + */ + buildDropdown: function() { + + // Build ul. + this.$ul = $(this.options.templates.ul); + + if (this.options.dropRight) { + this.$ul.addClass('pull-right'); + } + + // Set max height of dropdown menu to activate auto scrollbar. + if (this.options.maxHeight) { + // TODO: Add a class for this option to move the css declarations. + this.$ul.css({ + 'max-height': this.options.maxHeight + 'px', + 'overflow-y': 'auto', + 'overflow-x': 'hidden' + }); + } + + if (this.options.dropUp) { + + var height = Math.min(this.options.maxHeight, $('option[data-role!="divider"]', this.$select).length*26 + $('option[data-role="divider"]', this.$select).length*19 + (this.options.includeSelectAllOption ? 26 : 0) + (this.options.enableFiltering || this.options.enableCaseInsensitiveFiltering ? 44 : 0)); + var moveCalc = height + 34; + + this.$ul.css({ + 'max-height': height + 'px', + 'overflow-y': 'auto', + 'overflow-x': 'hidden', + 'margin-top': "-" + moveCalc + 'px' + }); + } + + this.$container.append(this.$ul); + }, + + /** + * Build the dropdown options and binds all necessary events. + * + * Uses createDivider and createOptionValue to create the necessary options. + */ + buildDropdownOptions: function() { + + this.$select.children().each($.proxy(function(index, element) { + + var $element = $(element); + // Support optgroups and options without a group simultaneously. + var tag = $element.prop('tagName') + .toLowerCase(); + + if ($element.prop('value') === this.options.selectAllValue) { + return; + } + + if (tag === 'optgroup') { + this.createOptgroup(element); + } + else if (tag === 'option') { + + if ($element.data('role') === 'divider') { + this.createDivider(); + } + else { + this.createOptionValue(element); + } + + } + + // Other illegal tags will be ignored. + }, this)); + + // Bind the change event on the dropdown elements. + $('li:not(.multiselect-group) input', this.$ul).on('change', $.proxy(function(event) { + var $target = $(event.target); + + var checked = $target.prop('checked') || false; + var isSelectAllOption = $target.val() === this.options.selectAllValue; + + // Apply or unapply the configured selected class. + if (this.options.selectedClass) { + if (checked) { + $target.closest('li') + .addClass(this.options.selectedClass); + } + else { + $target.closest('li') + .removeClass(this.options.selectedClass); + } + } + + // Get the corresponding option. + var value = $target.val(); + var $option = this.getOptionByValue(value); + + var $optionsNotThis = $('option', this.$select).not($option); + var $checkboxesNotThis = $('input', this.$container).not($target); + + if (isSelectAllOption) { + + if (checked) { + this.selectAll(this.options.selectAllJustVisible); + } + else { + this.deselectAll(this.options.selectAllJustVisible); + } + } + else { + if (checked) { + $option.prop('selected', true); + + if (this.options.multiple) { + // Simply select additional option. + $option.prop('selected', true); + } + else { + // Unselect all other options and corresponding checkboxes. + if (this.options.selectedClass) { + $($checkboxesNotThis).closest('li').removeClass(this.options.selectedClass); + } + + $($checkboxesNotThis).prop('checked', false); + $optionsNotThis.prop('selected', false); + + // It's a single selection, so close. + this.$button.click(); + } + + if (this.options.selectedClass === "active") { + $optionsNotThis.closest("a").css("outline", ""); + } + } + else { + // Unselect option. + $option.prop('selected', false); + } + + // To prevent select all from firing onChange: #575 + this.options.onChange($option, checked); + + // Do not update select all or optgroups on select all change! + this.updateSelectAll(); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + } + + this.$select.change(); + this.updateButtonText(); + + if(this.options.preventInputChangeEvent) { + return false; + } + }, this)); + + $('li a', this.$ul).on('mousedown', function(e) { + if (e.shiftKey) { + // Prevent selecting text by Shift+click + return false; + } + }); + + $('li a', this.$ul).on('touchstart click', $.proxy(function(event) { + event.stopPropagation(); + + var $target = $(event.target); + + if (event.shiftKey && this.options.multiple) { + if($target.is("label")){ // Handles checkbox selection manually (see https://github.com/davidstutz/bootstrap-multiselect/issues/431) + event.preventDefault(); + $target = $target.find("input"); + $target.prop("checked", !$target.prop("checked")); + } + var checked = $target.prop('checked') || false; + + if (this.lastToggledInput !== null && this.lastToggledInput !== $target) { // Make sure we actually have a range + var from = $target.closest("li").index(); + var to = this.lastToggledInput.closest("li").index(); + + if (from > to) { // Swap the indices + var tmp = to; + to = from; + from = tmp; + } + + // Make sure we grab all elements since slice excludes the last index + ++to; + + // Change the checkboxes and underlying options + var range = this.$ul.find("li").slice(from, to).find("input"); + + range.prop('checked', checked); + + if (this.options.selectedClass) { + range.closest('li') + .toggleClass(this.options.selectedClass, checked); + } + + for (var i = 0, j = range.length; i < j; i++) { + var $checkbox = $(range[i]); + + var $option = this.getOptionByValue($checkbox.val()); + + $option.prop('selected', checked); + } + } + + // Trigger the select "change" event + $target.trigger("change"); + } + + // Remembers last clicked option + if($target.is("input") && !$target.closest("li").is(".multiselect-item")){ + this.lastToggledInput = $target; + } + + $target.blur(); + }, this)); + + // Keyboard support. + this.$container.off('keydown.multiselect').on('keydown.multiselect', $.proxy(function(event) { + if ($('input[type="text"]', this.$container).is(':focus')) { + return; + } + + if (event.keyCode === 9 && this.$container.hasClass('open')) { + this.$button.click(); + } + else { + var $items = $(this.$container).find("li:not(.divider):not(.disabled) a").filter(":visible"); + + 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)); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + $("li.multiselect-group input", this.$ul).on("change", $.proxy(function(event) { + event.stopPropagation(); + + var $target = $(event.target); + var checked = $target.prop('checked') || false; + + var $li = $(event.target).closest('li'); + var $group = $li.nextUntil("li.multiselect-group") + .not('.multiselect-filter-hidden') + .not('.disabled'); + + var $inputs = $group.find("input"); + + var values = []; + var $options = []; + + $.each($inputs, $.proxy(function(index, input) { + var value = $(input).val(); + var $option = this.getOptionByValue(value); + + if (checked) { + $(input).prop('checked', true); + $(input).closest('li') + .addClass(this.options.selectedClass); + + $option.prop('selected', true); + } + else { + $(input).prop('checked', false); + $(input).closest('li') + .removeClass(this.options.selectedClass); + + $option.prop('selected', false); + } + + $options.push(this.getOptionByValue(value)); + }, this)) + + // Cannot use select or deselect here because it would call updateOptGroups again. + + this.options.onChange($options, checked); + + this.updateButtonText(); + this.updateSelectAll(); + }, this)); + } + + if (this.options.enableCollapsibleOptGroups && this.options.multiple) { + $("li.multiselect-group .caret-container", this.$ul).on("click", $.proxy(function(event) { + var $li = $(event.target).closest('li'); + var $inputs = $li.nextUntil("li.multiselect-group") + .not('.multiselect-filter-hidden'); + + var visible = true; + $inputs.each(function() { + visible = visible && $(this).is(':visible'); + }); + + if (visible) { + $inputs.hide() + .addClass('multiselect-collapsible-hidden'); + } + else { + $inputs.show() + .removeClass('multiselect-collapsible-hidden'); + } + }, this)); + + $("li.multiselect-all", this.$ul).css('background', '#f3f3f3').css('border-bottom', '1px solid #eaeaea'); + $("li.multiselect-all > a > label.checkbox", this.$ul).css('padding', '3px 20px 3px 35px'); + $("li.multiselect-group > a > input", this.$ul).css('margin', '4px 0px 5px -20px'); + } + }, + + /** + * Create an option using the given select option. + * + * @param {jQuery} element + */ + createOptionValue: function(element) { + var $element = $(element); + if ($element.is(':selected')) { + $element.prop('selected', true); + } + + // Support the label attribute on options. + var label = this.options.optionLabel(element); + var classes = this.options.optionClass(element); + var value = $element.val(); + var inputType = this.options.multiple ? "checkbox" : "radio"; + + var $li = $(this.options.templates.li); + var $label = $('label', $li); + $label.addClass(inputType); + $li.addClass(classes); + + if (this.options.enableHTML) { + $label.html(" " + label); + } + else { + $label.text(" " + label); + } + + var $checkbox = $('').attr('type', inputType); + + var name = this.options.checkboxName($element); + if (name) { + $checkbox.attr('name', name); + } + + $label.prepend($checkbox); + + var selected = $element.prop('selected') || false; + $checkbox.val(value); + + if (value === this.options.selectAllValue) { + $li.addClass("multiselect-item multiselect-all"); + $checkbox.parent().parent() + .addClass('multiselect-all'); + } + + $label.attr('title', $element.attr('title')); + + this.$ul.append($li); + + if ($element.is(':disabled')) { + $checkbox.attr('disabled', 'disabled') + .prop('disabled', true) + .closest('a') + .attr("tabindex", "-1") + .closest('li') + .addClass('disabled'); + } + + $checkbox.prop('checked', selected); + + if (selected && this.options.selectedClass) { + $checkbox.closest('li') + .addClass(this.options.selectedClass); + } + }, + + /** + * Creates a divider using the given select option. + * + * @param {jQuery} element + */ + createDivider: function(element) { + var $divider = $(this.options.templates.divider); + this.$ul.append($divider); + }, + + /** + * Creates an optgroup. + * + * @param {jQuery} group + */ + createOptgroup: function(group) { + var label = $(group).attr("label"); + var value = $(group).attr("value"); + var $li = $('
    • '); + + var classes = this.options.optionClass(group); + $li.addClass(classes); + + if (this.options.enableHTML) { + $('label b', $li).html(" " + label); + } + else { + $('label b', $li).text(" " + label); + } + + if (this.options.enableCollapsibleOptGroups && this.options.multiple) { + $('a', $li).append(''); + } + + if (this.options.enableClickableOptGroups && this.options.multiple) { + $('a label', $li).prepend(''); + } + + if ($(group).is(':disabled')) { + $li.addClass('disabled'); + } + + this.$ul.append($li); + + $("option", group).each($.proxy(function($, group) { + this.createOptionValue(group); + }, this)) + }, + + /** + * Build the select all. + * + * Checks if a select all has already been created. + */ + buildSelectAll: function() { + if (typeof this.options.selectAllValue === 'number') { + this.options.selectAllValue = this.options.selectAllValue.toString(); + } + + var alreadyHasSelectAll = this.hasSelectAll(); + + if (!alreadyHasSelectAll && this.options.includeSelectAllOption && this.options.multiple + && $('option', this.$select).length > this.options.includeSelectAllIfMoreThan) { + + // Check whether to add a divider after the select all. + if (this.options.includeSelectAllDivider) { + this.$ul.prepend($(this.options.templates.divider)); + } + + var $li = $(this.options.templates.li); + $('label', $li).addClass("checkbox"); + + if (this.options.enableHTML) { + $('label', $li).html(" " + this.options.selectAllText); + } + else { + $('label', $li).text(" " + this.options.selectAllText); + } + + if (this.options.selectAllName) { + $('label', $li).prepend(''); + } + else { + $('label', $li).prepend(''); + } + + var $checkbox = $('input', $li); + $checkbox.val(this.options.selectAllValue); + + $li.addClass("multiselect-item multiselect-all"); + $checkbox.parent().parent() + .addClass('multiselect-all'); + + this.$ul.prepend($li); + + $checkbox.prop('checked', false); + } + }, + + /** + * Builds the filter. + */ + buildFilter: function() { + + // Build filter if filtering OR case insensitive filtering is enabled and the number of options exceeds (or equals) enableFilterLength. + if (this.options.enableFiltering || this.options.enableCaseInsensitiveFiltering) { + var enableFilterLength = Math.max(this.options.enableFiltering, this.options.enableCaseInsensitiveFiltering); + + if (this.$select.find('option').length >= enableFilterLength) { + + this.$filter = $(this.options.templates.filter); + $('input', this.$filter).attr('placeholder', this.options.filterPlaceholder); + + // Adds optional filter clear button + if(this.options.includeFilterClearBtn) { + var clearBtn = $(this.options.templates.filterClearBtn); + clearBtn.on('click', $.proxy(function(event){ + clearTimeout(this.searchTimeout); + + this.$filter.find('.multiselect-search').val(''); + $('li', this.$ul).show().removeClass('multiselect-filter-hidden'); + + this.updateSelectAll(); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + + }, this)); + this.$filter.find('.input-group').append(clearBtn); + } + + this.$ul.prepend(this.$filter); + + this.$filter.val(this.query).on('click', function(event) { + event.stopPropagation(); + }).on('input keydown', $.proxy(function(event) { + // Cancel enter key default behaviour + if (event.which === 13) { + event.preventDefault(); + } + + // This is useful to catch "keydown" events after the browser has updated the control. + clearTimeout(this.searchTimeout); + + this.searchTimeout = this.asyncFunction($.proxy(function() { + + if (this.query !== event.target.value) { + this.query = event.target.value; + + var currentGroup, currentGroupVisible; + $.each($('li', this.$ul), $.proxy(function(index, element) { + var value = $('input', element).length > 0 ? $('input', element).val() : ""; + var text = $('label', element).text(); + + var filterCandidate = ''; + if ((this.options.filterBehavior === 'text')) { + filterCandidate = text; + } + else if ((this.options.filterBehavior === 'value')) { + filterCandidate = value; + } + else if (this.options.filterBehavior === 'both') { + filterCandidate = text + '\n' + value; + } + + if (value !== this.options.selectAllValue && text) { + + // By default lets assume that element is not + // interesting for this search. + var showElement = false; + + if (this.options.enableCaseInsensitiveFiltering) { + filterCandidate = filterCandidate.toLowerCase(); + this.query = this.query.toLowerCase(); + } + + if (this.options.enableFullValueFiltering && this.options.filterBehavior !== 'both') { + var valueToMatch = filterCandidate.trim().substring(0, this.query.length); + if (this.query.indexOf(valueToMatch) > -1) { + showElement = true; + } + } + else if (filterCandidate.indexOf(this.query) > -1) { + showElement = true; + } + + // Toggle current element (group or group item) according to showElement boolean. + $(element).toggle(showElement) + .toggleClass('multiselect-filter-hidden', !showElement); + + // Differentiate groups and group items. + if ($(element).hasClass('multiselect-group')) { + // Remember group status. + currentGroup = element; + currentGroupVisible = showElement; + } + else { + // Show group name when at least one of its items is visible. + if (showElement) { + $(currentGroup).show() + .removeClass('multiselect-filter-hidden'); + } + + // Show all group items when group name satisfies filter. + if (!showElement && currentGroupVisible) { + $(element).show() + .removeClass('multiselect-filter-hidden'); + } + } + } + }, this)); + } + + this.updateSelectAll(); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + + this.options.onFiltering(event.target); + + }, this), 300, this); + }, this)); + } + } + }, + + /** + * Unbinds the whole plugin. + */ + destroy: function() { + this.$container.remove(); + this.$select.show(); + this.$select.data('multiselect', null); + }, + + /** + * Refreshs the multiselect based on the selected options of the select. + */ + refresh: function () { + var inputs = $.map($('li input', this.$ul), $); + + $('option', this.$select).each($.proxy(function (index, element) { + var $elem = $(element); + var value = $elem.val(); + var $input; + for (var i = inputs.length; 0 < i--; /**/) { + if (value !== ($input = inputs[i]).val()) + continue; // wrong li + + if ($elem.is(':selected')) { + $input.prop('checked', true); + + if (this.options.selectedClass) { + $input.closest('li') + .addClass(this.options.selectedClass); + } + } + else { + $input.prop('checked', false); + + if (this.options.selectedClass) { + $input.closest('li') + .removeClass(this.options.selectedClass); + } + } + + if ($elem.is(":disabled")) { + $input.attr('disabled', 'disabled') + .prop('disabled', true) + .closest('li') + .addClass('disabled'); + } + else { + $input.prop('disabled', false) + .closest('li') + .removeClass('disabled'); + } + break; // assumes unique values + } + }, this)); + + this.updateButtonText(); + this.updateSelectAll(); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + }, + + /** + * Select all options of the given values. + * + * If triggerOnChange is set to true, the on change event is triggered if + * and only if one value is passed. + * + * @param {Array} selectValues + * @param {Boolean} triggerOnChange + */ + select: function(selectValues, triggerOnChange) { + if(!$.isArray(selectValues)) { + selectValues = [selectValues]; + } + + for (var i = 0; i < selectValues.length; i++) { + var value = selectValues[i]; + + if (value === null || value === undefined) { + continue; + } + + var $option = this.getOptionByValue(value); + var $checkbox = this.getInputByValue(value); + + if($option === undefined || $checkbox === undefined) { + continue; + } + + if (!this.options.multiple) { + this.deselectAll(false); + } + + if (this.options.selectedClass) { + $checkbox.closest('li') + .addClass(this.options.selectedClass); + } + + $checkbox.prop('checked', true); + $option.prop('selected', true); + + if (triggerOnChange) { + this.options.onChange($option, true); + } + } + + this.updateButtonText(); + this.updateSelectAll(); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + }, + + /** + * Clears all selected items. + */ + clearSelection: function () { + this.deselectAll(false); + this.updateButtonText(); + this.updateSelectAll(); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + }, + + /** + * Deselects all options of the given values. + * + * If triggerOnChange is set to true, the on change event is triggered, if + * and only if one value is passed. + * + * @param {Array} deselectValues + * @param {Boolean} triggerOnChange + */ + deselect: function(deselectValues, triggerOnChange) { + if(!$.isArray(deselectValues)) { + deselectValues = [deselectValues]; + } + + for (var i = 0; i < deselectValues.length; i++) { + var value = deselectValues[i]; + + if (value === null || value === undefined) { + continue; + } + + var $option = this.getOptionByValue(value); + var $checkbox = this.getInputByValue(value); + + if($option === undefined || $checkbox === undefined) { + continue; + } + + if (this.options.selectedClass) { + $checkbox.closest('li') + .removeClass(this.options.selectedClass); + } + + $checkbox.prop('checked', false); + $option.prop('selected', false); + + if (triggerOnChange) { + this.options.onChange($option, false); + } + } + + this.updateButtonText(); + this.updateSelectAll(); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + }, + + /** + * Selects all enabled & visible options. + * + * If justVisible is true or not specified, only visible options are selected. + * + * @param {Boolean} justVisible + * @param {Boolean} triggerOnSelectAll + */ + selectAll: function (justVisible, triggerOnSelectAll) { + + var justVisible = typeof justVisible === 'undefined' ? true : justVisible; + var allLis = $("li:not(.divider):not(.disabled):not(.multiselect-group)", this.$ul); + var visibleLis = $("li:not(.divider):not(.disabled):not(.multiselect-group):not(.multiselect-filter-hidden):not(.multiselect-collapisble-hidden)", this.$ul).filter(':visible'); + + if(justVisible) { + $('input:enabled' , visibleLis).prop('checked', true); + visibleLis.addClass(this.options.selectedClass); + + $('input:enabled' , visibleLis).each($.proxy(function(index, element) { + var value = $(element).val(); + var option = this.getOptionByValue(value); + $(option).prop('selected', true); + }, this)); + } + else { + $('input:enabled' , allLis).prop('checked', true); + allLis.addClass(this.options.selectedClass); + + $('input:enabled' , allLis).each($.proxy(function(index, element) { + var value = $(element).val(); + var option = this.getOptionByValue(value); + $(option).prop('selected', true); + }, this)); + } + + $('li input[value="' + this.options.selectAllValue + '"]').prop('checked', true); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + + if (triggerOnSelectAll) { + this.options.onSelectAll(); + } + }, + + /** + * Deselects all options. + * + * If justVisible is true or not specified, only visible options are deselected. + * + * @param {Boolean} justVisible + */ + deselectAll: function (justVisible, triggerOnDeselectAll) { + + var justVisible = typeof justVisible === 'undefined' ? true : justVisible; + var allLis = $("li:not(.divider):not(.disabled):not(.multiselect-group)", this.$ul); + var visibleLis = $("li:not(.divider):not(.disabled):not(.multiselect-group):not(.multiselect-filter-hidden):not(.multiselect-collapisble-hidden)", this.$ul).filter(':visible'); + + if(justVisible) { + $('input[type="checkbox"]:enabled' , visibleLis).prop('checked', false); + visibleLis.removeClass(this.options.selectedClass); + + $('input[type="checkbox"]:enabled' , visibleLis).each($.proxy(function(index, element) { + var value = $(element).val(); + var option = this.getOptionByValue(value); + $(option).prop('selected', false); + }, this)); + } + else { + $('input[type="checkbox"]:enabled' , allLis).prop('checked', false); + allLis.removeClass(this.options.selectedClass); + + $('input[type="checkbox"]:enabled' , allLis).each($.proxy(function(index, element) { + var value = $(element).val(); + var option = this.getOptionByValue(value); + $(option).prop('selected', false); + }, this)); + } + + $('li input[value="' + this.options.selectAllValue + '"]').prop('checked', false); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + + if (triggerOnDeselectAll) { + this.options.onDeselectAll(); + } + }, + + /** + * Rebuild the plugin. + * + * Rebuilds the dropdown, the filter and the select all option. + */ + rebuild: function() { + this.$ul.html(''); + + // 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(true); + + if (this.options.enableClickableOptGroups && this.options.multiple) { + this.updateOptGroups(); + } + + if (this.options.disableIfEmpty && $('option', this.$select).length <= 0) { + this.disable(); + } + else { + this.enable(); + } + + if (this.options.dropRight) { + this.$ul.addClass('pull-right'); + } + }, + + /** + * The provided data will be used to build the dropdown. + */ + dataprovider: function(dataprovider) { + + var groupCounter = 0; + var $select = this.$select.empty(); + + $.each(dataprovider, function (index, option) { + var $tag; + + if ($.isArray(option.children)) { // create optiongroup tag + groupCounter++; + + $tag = $('').attr({ + label: option.label || 'Group ' + groupCounter, + disabled: !!option.disabled + }); + + forEach(option.children, function(subOption) { // add children option tags + var attributes = { + value: subOption.value, + label: subOption.label || subOption.value, + title: subOption.title, + selected: !!subOption.selected, + disabled: !!subOption.disabled + }; + + //Loop through attributes object and add key-value for each attribute + for (var key in subOption.attributes) { + attributes['data-' + key] = subOption.attributes[key]; + } + //Append original attributes + new data attributes to option + $tag.append($('