| Current File : /home/pacjaorg/public_html/2024/wp-content/plugins/formidable/js/bootstrap-multiselect.js |
/**
* Bootstrap Multiselect (http://davidstutz.de/bootstrap-multiselect/)
*
* Apache License, Version 2.0:
* Copyright (c) 2012 - 2021 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 - 2021 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 (root, factory) {
// check to see if 'knockout' AMD module is specified if using requirejs
if (typeof define === 'function' && define.amd &&
typeof require === 'function' && typeof require.specified === 'function' && require.specified('knockout')) {
// AMD. Register as an anonymous module.
define(['jquery', 'knockout'], factory);
} else {
// Browser globals
factory(root.jQuery, root.ko);
}
})(this, function ($, ko) {
"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 = $(select);
this.options = this.mergeOptions($.extend({}, options, this.$select.data()));
// Placeholder via data attributes
if (this.$select.attr("data-placeholder")) {
this.options.nonSelectedText = this.$select.data("placeholder");
}
// Initialization.
// We have to clone to create a new reference.
this.originalOptions = this.$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 = $.proxy(this.options.onFiltering, this);
// Build select all if enabled.
this.buildContainer();
this.buildButton();
this.buildDropdown();
this.buildReset();
this.buildSelectAll();
this.buildDropdownOptions();
this.buildFilter();
this.buildButtons();
this.updateButtonText();
this.updateSelectAll(true);
if (this.options.enableClickableOptGroups && this.options.multiple) {
this.updateOptGroups();
}
this.options.wasDisabled = this.$select.prop('disabled');
if (this.options.disableIfEmpty && $('option', this.$select).length <= 0 && !this.options.wasDisabled) {
this.disable(true);
}
this.$select.wrap('<span class="multiselect-native-select" />').after(this.$container);
this.$select.prop('tabindex', '-1');
if (this.options.widthSynchronizationMode !== 'never') {
this.synchronizeButtonAndPopupWidth();
}
this.options.onInitialized(this.$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 (selectedOptions, select) {
if (this.disabledText.length > 0 && select.prop('disabled')) {
return this.disabledText;
}
else if (selectedOptions.length === 0) {
return this.nonSelectedText;
}
else if (this.allSelectedText
&& selectedOptions.length === $('option', $(select)).length
&& $('option', $(select)).length !== 1
&& this.multiple) {
if (this.selectAllNumber) {
return this.allSelectedText + ' (' + selectedOptions.length + ')';
}
else {
return this.allSelectedText;
}
}
else if (this.numberDisplayed != 0 && selectedOptions.length > this.numberDisplayed) {
return selectedOptions.length + ' ' + this.nSelectedText;
}
else {
var selected = '';
var delimiter = this.delimiterText;
selectedOptions.each(function () {
var label = ($(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: 'custom-select',
inheritClass: false,
buttonWidth: 'auto',
buttonContainer: '<div class="btn-group" />',
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,
collapseOptGroupsByDefault: false,
filterPlaceholder: 'Search',
// possible options: 'text', 'value', 'both'
filterBehavior: 'text',
includeFilterClearBtn: true,
preventInputChangeEvent: false,
nonSelectedText: 'None selected',
nSelectedText: 'selected',
allSelectedText: 'All selected',
resetButtonText: 'Reset',
numberDisplayed: 3,
disableIfEmpty: false,
disabledText: '',
delimiterText: ', ',
includeResetOption: false,
includeResetDivider: false,
resetText: 'Reset',
indentGroupOptions: true,
// possible options: 'never', 'always', 'ifPopupIsSmaller', 'ifPopupIsWider'
widthSynchronizationMode: 'never',
buttonTextAlignment: 'center',
enableResetButton: false,
templates: {
button: '<button type="button" class="multiselect dropdown-toggle" data-toggle="dropdown"><span class="multiselect-selected-text"></span></button>',
popupContainer: '<div class="multiselect-container dropdown-menu"></div>',
filter: '<div class="multiselect-filter d-flex align-items-center"><i class="fas fa-sm fa-search text-muted"></i><input type="search" class="multiselect-search form-control" /></div>',
buttonGroup: '<div class="multiselect-buttons btn-group" style="display:flex;"></div>',
buttonGroupReset: '<button type="button" class="multiselect-reset btn btn-secondary btn-block"></button>',
option: '<button type="button" class="multiselect-option dropdown-item"></button>',
divider: '<div class="dropdown-divider"></div>',
optionGroup: '<button type="button" class="multiselect-group dropdown-item"></button>',
resetButton: '<div class="multiselect-reset text-center p-2"><button type="button" class="btn btn-sm btn-block btn-outline-secondary"></button></div>'
}
},
constructor: Multiselect,
/**
* Builds the container of the multiselect.
*/
buildContainer: function () {
this.$container = $(this.options.buttonContainer);
if (this.options.widthSynchronizationMode !== 'never') {
this.$container.on('show.bs.dropdown', $.proxy(function () {
// the width needs to be synchronized again in case the width of the button changed in between
this.synchronizeButtonAndPopupWidth();
this.options.onDropdownShow();
}, this));
}
else {
this.$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,
});
this.$container.css({
'width': this.options.buttonWidth
});
}
if (this.options.buttonTextAlignment) {
switch (this.options.buttonTextAlignment) {
case 'left':
this.$button.addClass('text-left');
break;
case 'center':
this.$button.addClass('text-center');
break;
case 'right':
this.$button.addClass('text-right');
break;
}
}
// 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 popup container representing the dropdown menu.
*/
buildDropdown: function () {
// Build popup container.
this.$popupContainer = $(this.options.templates.popupContainer);
if (this.options.dropRight) {
this.$container.addClass('dropright');
}
else if (this.options.dropUp) {
this.$container.addClass("dropup");
}
// Set max height of dropdown menu to activate auto scrollbar.
if (this.options.maxHeight) {
// TODO: Add a class for this option to move the css declarations.
this.$popupContainer.css({
'max-height': this.options.maxHeight + 'px',
'overflow-y': 'auto',
'overflow-x': 'hidden'
});
}
if (this.options.widthSynchronizationMode !== 'never') {
this.$popupContainer.css('overflow-x', 'hidden');
}
this.$popupContainer.on("touchstart click", function (e) {
e.stopPropagation();
});
this.$container.append(this.$popupContainer);
},
synchronizeButtonAndPopupWidth: function () {
if (!this.$popupContainer || this.options.widthSynchronizationMode === 'never') {
return;
}
var buttonWidth = this.$button.outerWidth();
switch (this.options.widthSynchronizationMode) {
case 'always':
this.$popupContainer.css('min-width', buttonWidth);
this.$popupContainer.css('max-width', buttonWidth);
break;
case 'ifPopupIsSmaller':
this.$popupContainer.css('min-width', buttonWidth);
break;
case 'ifPopupIsWider':
this.$popupContainer.css('max-width', buttonWidth);
break;
}
},
/**
* 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, false);
}
}
// Other illegal tags will be ignored.
}, this));
// Bind the change event on the dropdown elements.
$(this.$popupContainer).off('change', '> *:not(.multiselect-group) input[type="checkbox"], > *:not(.multiselect-group) input[type="radio"]');
$(this.$popupContainer).on('change', '> *:not(.multiselect-group) input[type="checkbox"], > *:not(.multiselect-group) input[type="radio"]', $.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('.multiselect-option')
.addClass(this.options.selectedClass);
}
else {
$target.closest('.multiselect-option')
.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, true);
}
else {
this.deselectAll(this.options.selectAllJustVisible, true);
}
}
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('.dropdown-item').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(".dropdown-item").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));
$('.multiselect-option', this.$popupContainer).off('mousedown');
$('.multiselect-option', this.$popupContainer).on('mousedown', function (e) {
if (e.shiftKey) {
// Prevent selecting text by Shift+click
return false;
}
});
$(this.$popupContainer).off('touchstart click', '.multiselect-option, .multiselect-all, .multiselect-group');
$(this.$popupContainer).on('touchstart click', '.multiselect-option, .multiselect-all, .multiselect-group', $.proxy(function (event) {
event.stopPropagation();
var $target = $(event.target);
if (event.shiftKey && this.options.multiple) {
if (!$target.is("input")) { // Handles checkbox selection manually (see https://github.com/davidstutz/bootstrap-multiselect/issues/431)
event.preventDefault();
$target = $target.closest(".multiselect-option").find("input");
$target.prop("checked", !$target.prop("checked"));
}
var checked = $target.prop('checked') || false;
if (this.lastToggledInput !== null && this.lastToggledInput !== $target) { // Make sure we actually have a range
var from = this.$popupContainer.find(".multiselect-option:visible").index($target.closest(".multiselect-option"));
var to = this.$popupContainer.find(".multiselect-option:visible").index(this.lastToggledInput.closest(".multiselect-option"));
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.$popupContainer.find(".multiselect-option:not(.multiselect-filter-hidden)").slice(from, to).find("input");
range.prop('checked', checked);
if (this.options.selectedClass) {
range.closest('.multiselect-option')
.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
$target.trigger("change");
}
else if (!$target.is('input')) {
var $checkbox = $target.closest('.multiselect-option, .multiselect-all').find('.form-check-input');
if ($checkbox.length > 0) {
if (this.options.multiple || !$checkbox.prop('checked')) {
$checkbox.prop('checked', !$checkbox.prop('checked'));
$checkbox.change();
}
}
else if (this.options.enableClickableOptGroups && this.options.multiple && !$target.hasClass("caret-container")) {
var groupItem = $target;
if (!groupItem.hasClass("multiselect-group")) {
groupItem = $target.closest('.multiselect-group');
}
$checkbox = groupItem.find(".form-check-input");
if ($checkbox.length > 0) {
$checkbox.prop('checked', !$checkbox.prop('checked'));
$checkbox.change();
}
}
event.preventDefault();
}
// Remembers last clicked option
var $input = $target.closest(".multiselect-option").find("input[type='checkbox'], input[type='radio']");
if ($input.length > 0) {
this.lastToggledInput = $target;
}
else {
this.lastToggledInput = null;
}
$target.blur();
}, this));
//Keyboard support.
this.$container.off('keydown.multiselect').on('keydown.multiselect', $.proxy(function (event) {
var $items = $(this.$container).find(".multiselect-option:not(.disabled), .multiselect-group:not(.disabled), .multiselect-all").filter(":visible");
var index = $items.index($items.filter(':focus'));
var $search = $('.multiselect-search', this.$container);
// keyCode 9 == Tab
if (event.keyCode === 9 && this.$container.hasClass('show')) {
this.$button.click();
}
// keyCode 13 = Enter
else if (event.keyCode == 13) {
var $current = $items.eq(index);
setTimeout(function () {
$current.focus();
}, 1);
}
// keyCode 38 = Arrow Up
else if (event.keyCode == 38) {
if (index == 0 && !$search.is(':focus')) {
setTimeout(function () {
$search.focus();
}, 1);
}
}
// keyCode 40 = Arrow Down
else if (event.keyCode == 40) {
if ($search.is(':focus')) {
var $first = $items.eq(0);
setTimeout(function () {
$search.blur();
$first.focus();
}, 1);
}
else if (index == -1) {
setTimeout(function () {
$search.focus();
}, 1);
}
}
}, this));
if (this.options.enableClickableOptGroups && this.options.multiple) {
$(".multiselect-group input", this.$popupContainer).off("change");
$(".multiselect-group input", this.$popupContainer).on("change", $.proxy(function (event) {
event.stopPropagation();
var $target = $(event.target);
var checked = $target.prop('checked') || false;
var $item = $(event.target).closest('.dropdown-item');
var $group = $item.nextUntil(".multiselect-group")
.not('.multiselect-filter-hidden')
.not('.disabled');
var $inputs = $group.find("input");
var $options = [];
if (this.options.selectedClass) {
if (checked) {
$item.addClass(this.options.selectedClass);
}
else {
$item.removeClass(this.options.selectedClass);
}
}
$.each($inputs, $.proxy(function (index, input) {
var $input = $(input);
var value = $input.val();
var $option = this.getOptionByValue(value);
if (checked) {
$input.prop('checked', true);
$input.closest('.dropdown-item')
.addClass(this.options.selectedClass);
$option.prop('selected', true);
}
else {
$input.prop('checked', false);
$input.closest('.dropdown-item')
.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.$select.change();
this.updateButtonText();
this.updateSelectAll();
}, this));
}
if (this.options.enableCollapsibleOptGroups && this.options.multiple) {
$(".multiselect-group .caret-container", this.$popupContainer).off("click");
$(".multiselect-group .caret-container", this.$popupContainer).on("click", $.proxy(function (event) {
var $group = $(event.target).closest('.multiselect-group');
var $inputs = $group.nextUntil(".multiselect-group")
.not('.multiselect-filter-hidden');
var visible = true;
$inputs.each(function () {
visible = visible && !$(this).hasClass('multiselect-collapsible-hidden');
});
if (visible) {
$inputs.hide()
.addClass('multiselect-collapsible-hidden');
}
else {
$inputs.show()
.removeClass('multiselect-collapsible-hidden');
}
}, this));
}
},
/**
* Create a checkbox container with input and label based on given values
* @param {JQuery} $item
* @param {String} label
* @param {String} name
* @param {String} value
* @param {String} inputType
* @returns {JQuery}
*/
createCheckbox: function ($item, labelContent, name, value, title, inputType) {
var $wrapper = $('<span />');
$wrapper.addClass("form-check");
if (this.options.enableHTML && $(labelContent).length > 0) {
var $checkboxLabel = $('<label class="form-check-label" />');
$checkboxLabel.html(labelContent);
$wrapper.append($checkboxLabel);
}
else {
var $checkboxLabel = $('<label class="form-check-label" />');
$checkboxLabel.text(labelContent);
$wrapper.append($checkboxLabel);
}
var $checkbox = $('<input class="form-check-input"/>').attr('type', inputType);
$checkbox.val(value);
$wrapper.prepend($checkbox);
if (name) {
$checkbox.attr('name', name);
}
$item.prepend($wrapper);
$item.attr("title", title || labelContent);
return $checkbox;
},
/**
* Create an option using the given select option.
*
* @param {jQuery} element
*/
createOptionValue: function (element, isGroupOption) {
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 title = $element.attr('title');
var $option = $(this.options.templates.option);
$option.addClass(classes);
if (isGroupOption && this.options.indentGroupOptions) {
$option.addClass("multiselect-group-option-indented")
}
// Hide all children items when collapseOptGroupsByDefault is true
if (this.options.collapseOptGroupsByDefault && $(element).parent().prop("tagName").toLowerCase() === "optgroup") {
$option.addClass("multiselect-collapsible-hidden");
$option.hide();
}
var name = this.options.checkboxName($element);
var $checkbox = this.createCheckbox($option, label, name, value, title, inputType);
var selected = $element.prop('selected') || false;
if (value === this.options.selectAllValue) {
$option.addClass("multiselect-all");
$option.removeClass("multiselect-option");
$checkbox.parent().parent()
.addClass('multiselect-all');
}
this.$popupContainer.append($option);
if ($element.is(':disabled')) {
$checkbox.attr('disabled', 'disabled')
.prop('disabled', true)
.closest('.dropdown-item')
.addClass('disabled');
}
$checkbox.prop('checked', selected);
if (selected && this.options.selectedClass) {
$checkbox.closest('.dropdown-item')
.addClass(this.options.selectedClass);
}
},
/**
* Creates a divider using the given select option.
*
* @param {jQuery} element
*/
createDivider: function (element) {
var $divider = $(this.options.templates.divider);
this.$popupContainer.append($divider);
},
/**
* Creates an optgroup.
*
* @param {jQuery} group
*/
createOptgroup: function (group) {
var $group = $(group);
var label = $group.attr("label");
var value = $group.attr("value");
var title = $group.attr('title');
var $groupOption = $("<span class='multiselect-group dropdown-item-text'></span>");
if (this.options.enableClickableOptGroups && this.options.multiple) {
$groupOption = $(this.options.templates.optionGroup);
var $checkbox = this.createCheckbox($groupOption, label, null, value, title, "checkbox");
}
else {
if (this.options.enableHTML) {
$groupOption.html(" " + label);
}
else {
$groupOption.text(" " + label);
}
}
var classes = this.options.optionClass(group);
$groupOption.addClass(classes);
if (this.options.enableCollapsibleOptGroups && this.options.multiple) {
$groupOption.find('.form-check').addClass('d-inline-block');
$groupOption.append('<span class="caret-container dropdown-toggle pl-1"></span>');
}
if ($group.is(':disabled')) {
$groupOption.addClass('disabled');
}
this.$popupContainer.append($groupOption);
$("option", group).each($.proxy(function ($, group) {
this.createOptionValue(group, true);
}, this));
},
/**
* Build the reset.
*
*/
buildReset: function () {
if (this.options.includeResetOption) {
// Check whether to add a divider after the reset.
if (this.options.includeResetDivider) {
var divider = $(this.options.templates.divider);
divider.addClass("mt-0");
this.$popupContainer.prepend(divider);
}
var $resetButton = $(this.options.templates.resetButton);
if (this.options.enableHTML) {
$('button', $resetButton).html(this.options.resetText);
}
else {
$('button', $resetButton).text(this.options.resetText);
}
$('button', $resetButton).click($.proxy(function () {
this.clearSelection();
}, this));
this.$popupContainer.prepend($resetButton);
}
},
/**
* 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.$popupContainer.prepend($(this.options.templates.divider));
}
var $option = $(this.options.templates.li || this.options.templates.option);
var $checkbox = this.createCheckbox($option, this.options.selectAllText, this.options.selectAllName, this.options.selectAllValue, this.options.selectAllText, "checkbox");
$option.addClass("multiselect-all");
$option.removeClass("multiselect-option");
$option.find(".form-check-label").addClass("font-weight-bold");
this.$popupContainer.prepend($option);
$checkbox.prop('checked', false);
}
},
/**
* Builds the filter.
*/
buildFilter: function () {
// Build filter if filtering OR case insensitive filtering is enabled and the number of options exceeds (or equals) enableFilterLength.
if (this.options.enableFiltering || this.options.enableCaseInsensitiveFiltering) {
var enableFilterLength = Math.max(this.options.enableFiltering, this.options.enableCaseInsensitiveFiltering);
if (this.$select.find('option').length >= enableFilterLength) {
this.$filter = $(this.options.templates.filter);
$('input', this.$filter).attr('placeholder', this.options.filterPlaceholder);
// Handles optional filter clear button
if (!this.options.includeFilterClearBtn) {
this.$filter.find(".multiselect-search").attr("type", "text");
// Remove clear button if the old design of the filter with input groups and separated clear button is used
this.$filter.find(".multiselect-clear-filter").remove();
}
else {
// Firefox does not support a clear button in search inputs right now therefore it must be added manually
if (this.isFirefox() && this.$filter.find(".multiselect-clear-filter").length === 0) {
this.$filter.append("<i class='fas fa-times text-muted multiselect-clear-filter multiselect-moz-clear-filter'></i>");
}
this.$filter.find(".multiselect-clear-filter").on('click', $.proxy(function (event) {
clearTimeout(this.searchTimeout);
this.query = '';
this.$filter.find('.multiselect-search').val('');
$('.dropdown-item', this.$popupContainer).show().removeClass('multiselect-filter-hidden');
this.updateSelectAll();
if (this.options.enableClickableOptGroups && this.options.multiple) {
this.updateOptGroups();
}
}, this));
}
this.$popupContainer.prepend(this.$filter);
this.$filter.val(this.query).on('click', function (event) {
event.stopPropagation();
}).on('input keydown', $.proxy(function (event) {
// Cancel enter key default behaviour
if (event.which === 13) {
event.preventDefault();
}
if (this.isFirefox() && this.options.includeFilterClearBtn) {
if (event.target.value) {
this.$filter.find(".multiselect-moz-clear-filter").show();
}
else {
this.$filter.find(".multiselect-moz-clear-filter").hide();
}
}
// This is useful to catch "keydown" events after the browser has updated the control.
clearTimeout(this.searchTimeout);
this.searchTimeout = this.asyncFunction($.proxy(function () {
if (this.query !== event.target.value) {
this.query = event.target.value;
var currentGroup, currentGroupVisible;
$.each($('.multiselect-option, .multiselect-group', this.$popupContainer), $.proxy(function (index, element) {
var value = $('input', element).length > 0 ? $('input', element).val() : "";
var text = $('.form-check-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.
if (!showElement) {
$(element).css('display', 'none');
$(element).addClass('multiselect-filter-hidden');
}
if (showElement) {
$(element).css('display', 'block');
$(element).removeClass('multiselect-filter-hidden');
}
// Differentiate groups and group items.
if ($(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.updatePopupPosition();
this.options.onFiltering(event.target);
}, this), 300, this);
}, this));
}
}
},
/**
* Builds the filter.
*/
buildButtons: function () {
if (this.options.enableResetButton) {
var $buttonGroup = $(this.options.templates.buttonGroup);
this.$buttonGroupReset = $(this.options.templates.buttonGroupReset).text(this.options.resetButtonText);
$buttonGroup.append(this.$buttonGroupReset);
this.$popupContainer.prepend($buttonGroup);
// We save all options that were previously selected.
this.defaultSelection = {};
$('option', this.$select).each($.proxy(function(index, element) {
var $option = $(element);
this.defaultSelection[$option.val()] = $option.prop('selected');
}, this));
this.$buttonGroupReset.on('click', $.proxy(function(event) {
$('option', this.$select).each($.proxy(function(index, element) {
var $option = $(element);
$option.prop('selected', this.defaultSelection[$option.val()]);
}, this));
this.refresh();
if (this.options.enableFiltering) {
this.$filter.trigger('keydown');
$('input', this.$filter).val('');
}
}, this));
}
},
updatePopupPosition: function() {
// prevent gaps between popup and select when filter is used (#1199)
var transformMatrix = this.$popupContainer.css("transform");
var matrixType = transformMatrix.substring(0, transformMatrix.indexOf('('));
var values = transformMatrix.substring(transformMatrix.indexOf('(') + 1, transformMatrix.length - 1);
var valuesArray = values.split(',');
var valueIndex = 5;
if(matrixType === "matrix3d") {
valueIndex = 13;
}
var yTransformation = valuesArray[valueIndex];
// Need to check to avoid errors when testing and in some other situations.
yTransformation = typeof yTransformation === 'undefined' ? 0 : yTransformation.trim();
if (yTransformation < 0) {
yTransformation = this.$popupContainer.css("height").replace('px', '') * -1;
valuesArray[valueIndex] = yTransformation;
transformMatrix = matrixType + '(' + valuesArray.join(',') + ')';
this.$popupContainer.css("transform", transformMatrix);
}
},
/**
* Unbinds the whole plugin.
*/
destroy: function () {
this.$container.remove();
this.$select.unwrap();
this.$select.show();
// reset original state
this.$select.prop('disabled', this.options.wasDisabled);
this.$select.data('multiselect', null);
},
/**
* Refreshs the multiselect based on the selected options of the select.
*/
refresh: function () {
var inputs = {};
$('.multiselect-option input', this.$popupContainer).each(function () {
inputs[$(this).val()] = $(this);
});
$('option', this.$select).each($.proxy(function (index, element) {
var $elem = $(element);
var $input = inputs[$(element).val()];
if ($elem.is(':selected')) {
$input.prop('checked', true);
if (this.options.selectedClass) {
$input.closest('.multiselect-option')
.addClass(this.options.selectedClass);
}
}
else {
$input.prop('checked', false);
if (this.options.selectedClass) {
$input.closest('.multiselect-option')
.removeClass(this.options.selectedClass);
}
}
if ($elem.is(":disabled")) {
$input.attr('disabled', 'disabled')
.prop('disabled', true)
.closest('.multiselect-option')
.addClass('disabled');
}
else {
$input.prop('disabled', false)
.closest('.multiselect-option')
.removeClass('disabled');
}
}, this));
this.updateButtonText();
this.updateSelectAll();
if (this.options.enableClickableOptGroups && this.options.multiple) {
this.updateOptGroups();
}
},
/**
* Select all options of the given values.
*
* If triggerOnChange is set to true, the on change event is triggered if
* and only if one value is passed.
*
* @param {Array} selectValues
* @param {Boolean} triggerOnChange
*/
select: function (selectValues, triggerOnChange) {
if (!$.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.selectedClass) {
$checkbox.closest('.dropdown-item')
.addClass(this.options.selectedClass);
}
$checkbox.prop('checked', true);
$option.prop('selected', true);
if (!this.options.multiple) {
var $checkboxesNotThis = $('input', this.$container).not($checkbox);
$($checkboxesNotThis).prop('checked', false);
$($checkboxesNotThis).closest('.multiselect-option').removeClass("active")
var $optionsNotThis = $('option', this.$select).not($option);
$optionsNotThis.prop('selected', false);
}
if (triggerOnChange) {
this.options.onChange($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 (!this.options.multiple) {
// In single selection mode at least on option needs to be selected
return;
}
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('.dropdown-item')
.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) {
if (!this.options.multiple) {
// In single selection mode only one option can be selected at a time
return;
}
// Record all changes, i.e., options selected that were not selected before.
var selected = [];
var justVisible = typeof justVisible === 'undefined' ? true : justVisible;
if (justVisible) {
var visibleOptions = $(".multiselect-option:not(.disabled):not(.multiselect-filter-hidden)", this.$popupContainer);
$('input:enabled', visibleOptions).prop('checked', true);
visibleOptions.addClass(this.options.selectedClass);
$('input:enabled', visibleOptions).each($.proxy(function (index, element) {
var value = $(element).val();
var option = this.getOptionByValue(value);
if (!$(option).prop('selected')) {
selected.push(option);
}
$(option).prop('selected', true);
}, this));
}
else {
var allOptions = $(".multiselect-option:not(.disabled)", this.$popupContainer);
$('input:enabled', allOptions).prop('checked', true);
allOptions.addClass(this.options.selectedClass);
$('input:enabled', allOptions).each($.proxy(function (index, element) {
var value = $(element).val();
var option = this.getOptionByValue(value);
if (!$(option).prop('selected')) {
selected.push(option);
}
$(option).prop('selected', true);
}, this));
}
$('.multiselect-option input[value="' + this.options.selectAllValue + '"]', this.$popupContainer).prop('checked', true);
if (this.options.enableClickableOptGroups && this.options.multiple) {
this.updateOptGroups();
}
this.updateButtonText();
this.updateSelectAll();
if (triggerOnSelectAll) {
this.options.onSelectAll(selected);
}
},
/**
* Deselects all options.
*
* If justVisible is true or not specified, only visible options are deselected.
*
* @param {Boolean} justVisible
*/
deselectAll: function (justVisible, triggerOnDeselectAll) {
if (!this.options.multiple) {
// In single selection mode at least on option needs to be selected
return;
}
// Record changes, i.e., those options that are deselected but were not deselected before.
var deselected = [];
var justVisible = typeof justVisible === 'undefined' ? true : justVisible;
if (justVisible) {
var visibleOptions = $(".multiselect-option:not(.disabled):not(.multiselect-filter-hidden)", this.$popupContainer);
$('input[type="checkbox"]:enabled', visibleOptions).prop('checked', false);
visibleOptions.removeClass(this.options.selectedClass);
$('input[type="checkbox"]:enabled', visibleOptions).each($.proxy(function (index, element) {
var value = $(element).val();
var option = this.getOptionByValue(value);
if ($(option).prop('selected')) {
deselected.push(option);
}
$(option).prop('selected', false);
}, this));
}
else {
var allOptions = $(".multiselect-option:not(.disabled):not(.multiselect-group)", this.$popupContainer);
$('input[type="checkbox"]:enabled', allOptions).prop('checked', false);
allOptions.removeClass(this.options.selectedClass);
$('input[type="checkbox"]:enabled', allOptions).each($.proxy(function (index, element) {
var value = $(element).val();
var option = this.getOptionByValue(value);
if ($(option).prop('selected')) {
deselected.push(option);
}
$(option).prop('selected', false);
}, this));
}
$('.multiselect-all input[value="' + this.options.selectAllValue + '"]', this.$popupContainer).prop('checked', false);
if (this.options.enableClickableOptGroups && this.options.multiple) {
this.updateOptGroups();
}
this.updateButtonText();
this.updateSelectAll();
if (triggerOnDeselectAll) {
this.options.onDeselectAll(deselected);
}
},
/**
* Rebuild the plugin.
*
* Rebuilds the dropdown, the filter and the select all option.
*/
rebuild: function () {
this.$popupContainer.html('');
// Important to distinguish between radios and checkboxes.
this.options.multiple = this.$select.attr('multiple') === "multiple";
this.buildSelectAll();
this.buildDropdownOptions();
this.buildFilter();
this.buildButtons();
this.updateButtonText();
this.updateSelectAll(true);
if (this.options.enableClickableOptGroups && this.options.multiple) {
this.updateOptGroups();
}
if (this.options.disableIfEmpty) {
if ($('option', this.$select).length <= 0) {
if (!this.$select.prop('disabled')) {
this.disable(true);
}
}
else if (this.$select.data("disabled-by-option")) {
this.enable();
}
}
if (this.options.dropRight) {
this.$container.addClass('dropright');
}
else if (this.options.dropUp) {
this.$container.addClass('dropup');
}
if (this.options.widthSynchronizationMode !== 'never') {
this.synchronizeButtonAndPopupWidth();
}
},
/**
* 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 = $('<optgroup/>').attr({
label: option.label || 'Group ' + groupCounter,
disabled: !!option.disabled,
value: option.value
});
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
$tag.append($('<option/>').attr(attributes));
});
}
else {
var attributes = {
'value': option.value,
'label': option.label || option.value,
'title': option.title,
'class': option['class'],
'selected': !!option['selected'],
'disabled': !!option['disabled']
};
//Loop through attributes object and add key-value for each attribute
for (var key in option.attributes) {
attributes['data-' + key] = option.attributes[key];
}
//Append original attributes + new data attributes to option
$tag = $('<option/>').attr(attributes);
$tag.text(option.label || option.value);
}
$select.append($tag);
});
this.rebuild();
},
/**
* Enable the multiselect.
*/
enable: function () {
this.$select.prop('disabled', false);
this.$button.prop('disabled', false)
.removeClass('disabled');
this.updateButtonText();
},
/**
* Disable the multiselect.
*/
disable: function (disableByOption) {
this.$select.prop('disabled', true);
this.$button.prop('disabled', true)
.addClass('disabled');
if (disableByOption) {
this.$select.data("disabled-by-option", true);
}
else {
this.$select.data("disabled-by-option", null);
}
this.updateButtonText();
},
/**
* 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(true, {}, this.defaults, this.options, options);
},
/**
* Checks whether a select all checkbox is present.
*
* @returns {Boolean}
*/
hasSelectAll: function () {
return $('.multiselect-all', this.$popupContainer).length > 0;
},
/**
* Update opt groups.
*/
updateOptGroups: function () {
var $groups = $('.multiselect-group', this.$popupContainer)
var selectedClass = this.options.selectedClass;
$groups.each(function () {
var $options = $(this).nextUntil('.multiselect-group')
.not('.multiselect-filter-hidden')
.not('.disabled');
var checked = true;
$options.each(function () {
var $input = $('input', this);
if (!$input.prop('checked')) {
checked = false;
}
});
if (selectedClass) {
if (checked) {
$(this).addClass(selectedClass);
}
else {
$(this).removeClass(selectedClass);
}
}
$('input', this).prop('checked', checked);
});
},
/**
* Updates the select all checkbox based on the currently displayed and selected checkboxes.
*/
updateSelectAll: function (notTriggerOnSelectAll) {
if (this.hasSelectAll()) {
var allBoxes = $(".multiselect-option:not(.multiselect-filter-hidden):not(.multiselect-group):not(.disabled) input:enabled", this.$popupContainer);
var allBoxesLength = allBoxes.length;
var checkedBoxesLength = allBoxes.filter(":checked").length;
var selectAllItem = $(".multiselect-all", this.$popupContainer);
var selectAllInput = selectAllItem.find("input");
if (checkedBoxesLength > 0 && checkedBoxesLength === allBoxesLength) {
selectAllInput.prop("checked", true);
selectAllItem.addClass(this.options.selectedClass);
}
else {
selectAllInput.prop("checked", false);
selectAllItem.removeClass(this.options.selectedClass);
}
}
},
/**
* Update the button text and its title based on the currently selected options.
*/
updateButtonText: function () {
var options = this.getSelected();
// First update the displayed button text.
if (this.options.enableHTML) {
$('.multiselect .multiselect-selected-text', this.$container).html(this.options.buttonText(options, this.$select));
}
else {
$('.multiselect .multiselect-selected-text', this.$container).text(this.options.buttonText(options, this.$select));
}
// Now update the title attribute of the button.
$('.multiselect', this.$container).attr('title', this.options.buttonTitle(options, this.$select));
this.$button.trigger('change');
},
/**
* Get all selected options.
*
* @returns {jQUery}
*/
getSelected: function () {
return $('option', this.$select).filter(":selected");
},
/**
* Gets a select option by its value.
*
* @param {String} value
* @returns {jQuery}
*/
getOptionByValue: function (value) {
var options = $('option', this.$select);
var valueToCompare = value.toString();
for (var i = 0; i < options.length; i = i + 1) {
var option = options[i];
if (option.value === valueToCompare) {
return $(option);
}
}
},
/**
* Get the input (radio/checkbox) by its value.
*
* @param {String} value
* @returns {jQuery}
*/
getInputByValue: function (value) {
var checkboxes = $('.multiselect-option input:not(.multiselect-search)', this.$popupContainer);
var valueToCompare = value.toString();
for (var i = 0; i < checkboxes.length; i = i + 1) {
var checkbox = checkboxes[i];
if (checkbox.value === valueToCompare) {
return $(checkbox);
}
}
},
/**
* Used for knockout integration.
*/
updateOriginalOptions: function () {
this.originalOptions = this.$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);
},
setAllSelectedText: function (allSelectedText) {
this.options.allSelectedText = allSelectedText;
this.updateButtonText();
},
isFirefox: function () {
var firefoxIdentifier = 'firefox';
var valueNotFoundIndex = -1;
if (navigator && navigator.userAgent) {
return navigator.userAgent.toLocaleLowerCase().indexOf(firefoxIdentifier) > valueNotFoundIndex;
}
return false;
}
};
$.fn.multiselect = function (option, parameter, extraOptions) {
return this.each(function () {
var data = $(this).data('multiselect');
var options = typeof option === 'object' && option;
// Initialize the multiselect.
if (!data) {
data = new Multiselect(this, options);
$(this).data('multiselect', data);
}
// Call multiselect method.
if (typeof option === 'string') {
data[option](parameter, extraOptions);
if (option === 'destroy') {
$(this).data('multiselect', false);
}
}
});
};
$.fn.multiselect.Constructor = Multiselect;
$(function () {
$("select[data-role=multiselect]").multiselect();
});
});