spel: comparison integ/lib/bootstrap-multiselect.js

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integ/lib/bootstrap-multiselect.js

changeset 1

ad760c317293

equal deleted inserted replaced

-:989a994c5163
+:ad760c317293
+/**
+* bootstrap-multiselect.js
+* https://github.com/davidstutz/bootstrap-multiselect
+*
+* Copyright 2012, 2013 David Stutz
+*
+* Dual licensed under the BSD-3-Clause and the Apache License, Version 2.0.
+*/
+!function($) {
+"use strict";// jshint ;_;
+if (typeof ko !== 'undefined' && ko.bindingHandlers && !ko.bindingHandlers.multiselect) {
+ko.bindingHandlers.multiselect = {
+init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {},
+update: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
+var config = ko.utils.unwrapObservable(valueAccessor());
+var selectOptions = allBindingsAccessor().options;
+var ms = $(element).data('multiselect');
+if (!ms) {
+$(element).multiselect(config);
+}
+else {
+ms.updateOriginalOptions();
+if (selectOptions && selectOptions().length !== ms.originalOptions.length) {
+$(element).multiselect('rebuild');
+}
+}
+}
+};
+}
+/**
+* Constructor to create a new multiselect using the given select.
+*
+* @param {jQuery} select
+* @param {Object} options
+* @returns {Multiselect}
+*/
+function Multiselect(select, options) {
+this.options = this.mergeOptions(options);
+this.$select = $(select);
+// Initialization.
+// We have to clone to create a new reference.
+this.originalOptions = this.$select.clone()[0].options;
+this.query = '';
+this.searchTimeout = null;
+this.options.multiple = this.$select.attr('multiple') === "multiple";
+this.options.onChange = $.proxy(this.options.onChange, this);
+this.options.onDropdownShow = $.proxy(this.options.onDropdownShow, this);
+this.options.onDropdownHide = $.proxy(this.options.onDropdownHide, this);
+// Build select all if enabled.
+this.buildContainer();
+this.buildButton();
+this.buildSelectAll();
+this.buildDropdown();
+this.buildDropdownOptions();
+this.buildFilter();
+this.updateButtonText();
+this.updateSelectAll();
+this.$select.hide().after(this.$container);
+};
+Multiselect.prototype = {
+defaults: {
+/**
+* Default text function will either print 'None selected' in case no
+* option is selected or a list of the selected options up to a length of 3 selected options.
+*
+* @param {jQuery} options
+* @param {jQuery} select
+* @returns {String}
+*/
+buttonText: function(options, select) {
+if (options.length === 0) {
+return this.nonSelectedText + ' <b class="caret"></b>';
+}
+else {
+if (options.length > this.numberDisplayed) {
+return options.length + ' ' + this.nSelectedText + ' <b class="caret"></b>';
+}
+else {
+var selected = '';
+options.each(function() {
+var label = ($(this).attr('label') !== undefined) ? $(this).attr('label') : $(this).html();
+selected += label + ', ';
+});
+return selected.substr(0, selected.length - 2) + ' <b class="caret"></b>';
+}
+}
+},
+/**
+* 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 = '';
+options.each(function () {
+selected += $(this).text() + ', ';
+});
+return selected.substr(0, selected.length - 2);
+}
+},
+/**
+* Create a label.
+*
+* @param {jQuery} element
+* @returns {String}
+*/
+label: function(element){
+return $(element).attr('label') || $(element).html();
+},
+/**
+* Triggered on change of the multiselect.
+* Not triggered when selecting/deselecting options manually.
+*
+* @param {jQuery} option
+* @param {Boolean} checked
+*/
+onChange : function(option, checked) {
+},
+/**
+* Triggered when the dropdown is shown.
+*
+* @param {jQuery} event
+*/
+onDropdownShow: function(event) {
+},
+/**
+* Triggered when the dropdown is hidden.
+*
+* @param {jQuery} event
+*/
+onDropdownHide: function(event) {
+},
+buttonClass: 'btn btn-default',
+dropRight: false,
+selectedClass: 'active',
+buttonWidth: 'auto',
+buttonContainer: '<div class="btn-group" />',
+// Maximum height of the dropdown menu.
+// If maximum height is exceeded a scrollbar will be displayed.
+maxHeight: false,
+includeSelectAllOption: false,
+selectAllText: ' Select all',
+selectAllValue: 'multiselect-all',
+enableFiltering: false,
+enableCaseInsensitiveFiltering: false,
+filterPlaceholder: 'Search',
+// possible options: 'text', 'value', 'both'
+filterBehavior: 'text',
+preventInputChangeEvent: false,
+nonSelectedText: 'None selected',
+nSelectedText: 'selected',
+numberDisplayed: 3
+},
+templates: {
+button: '<button type="button" class="multiselect dropdown-toggle" data-toggle="dropdown"></button>',
+ul: '<ul class="multiselect-container dropdown-menu"></ul>',
+filter: '<div class="input-group"><span class="input-group-addon"><i class="glyphicon glyphicon-search"></i></span><input class="form-control multiselect-search" type="text"></div>',
+li: '<li><a href="javascript:void(0);"><label></label></a></li>',
+divider: '<li class="divider"></li>',
+liGroup: '<li><label class="multiselect-group"></label></li>'
+},
+constructor: Multiselect,
+/**
+* Builds the container of the multiselect.
+*/
+buildContainer: function() {
+this.$container = $(this.options.buttonContainer);
+this.$container.on('show.bs.dropdown', this.options.onDropdownShow);
+this.$container.on('hide.bs.dropdown', this.options.onDropdownHide);
+},
+/**
+* Builds the button of the multiselect.
+*/
+buildButton: function() {
+this.$button = $(this.templates.button).addClass(this.options.buttonClass);
+// Adopt active state.
+if (this.$select.prop('disabled')) {
+this.disable();
+}
+else {
+this.enable();
+}
+// Manually add button width if set.
+if (this.options.buttonWidth && this.options.buttonWidth != 'auto') {
+this.$button.css({
+'width' : this.options.buttonWidth
+});
+}
+// Keep the tab index from the select.
+var tabindex = this.$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 = $(this.templates.ul);
+if (this.options.dropRight) {
+this.$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.$ul.css({
+'max-height': this.options.maxHeight + 'px',
+'overflow-y': 'auto',
+'overflow-x': 'hidden'
+});
+}
+this.$container.append(this.$ul);
+},
+/**
+* Build the dropdown options and binds all nessecary events.
+* Uses createDivider and createOptionValue to create the necessary options.
+*/
+buildDropdownOptions: function() {
+this.$select.children().each($.proxy(function(index, element) {
+// Support optgroups and options without a group simultaneously.
+var tag = $(element).prop('tagName')
+.toLowerCase();
+if (tag === 'optgroup') {
+this.createOptgroup(element);
+}
+else if (tag === 'option') {
+if ($(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.
+$('li input', this.$ul).on('change', $.proxy(function(event) {
+var checked = $(event.target).prop('checked') || false;
+var isSelectAllOption = $(event.target).val() === this.options.selectAllValue;
+// Apply or unapply the configured selected class.
+if (this.options.selectedClass) {
+if (checked) {
+$(event.target).parents('li')
+.addClass(this.options.selectedClass);
+}
+else {
+$(event.target).parents('li')
+.removeClass(this.options.selectedClass);
+}
+}
+// Get the corresponding option.
+var value = $(event.target).val();
+var $option = this.getOptionByValue(value);
+var $optionsNotThis = $('option', this.$select).not($option);
+var $checkboxesNotThis = $('input', this.$container).not($(event.target));
+if (isSelectAllOption) {
+if (this.$select[0][0].value === this.options.selectAllValue) {
+var values = [];
+var options = $('option[value!="' + this.options.selectAllValue + '"]', this.$select);
+for (var i = 0; i < options.length; i++) {
+// Additionally check whether the option is visible within the dropcown.
+if (options[i].value !== this.options.selectAllValue && this.getInputByValue(options[i].value).is(':visible')) {
+values.push(options[i].value);
+}
+}
+if (checked) {
+this.select(values);
+}
+else {
+this.deselect(values);
+}
+}
+}
+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).parents('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") {
+$optionsNotThis.parents("a").css("outline", "");
+}
+}
+else {
+// Unselect option.
+$option.prop('selected', false);
+}
+this.$select.change();
+this.options.onChange($option, checked);
+this.updateButtonText();
+this.updateSelectAll();
+if(this.options.preventInputChangeEvent) {
+return false;
+}
+}, this));
+$('li a', this.$ul).on('touchstart click', function(event) {
+event.stopPropagation();
+if (event.shiftKey) {
+var checked = $(event.target).prop('checked') || false;
+if (checked) {
+var prev = $(event.target).parents('li:last')
+.siblings('li[class="active"]:first');
+var currentIdx = $(event.target).parents('li')
+.index();
+var prevIdx = prev.index();
+if (currentIdx > prevIdx) {
+$(event.target).parents("li:last").prevUntil(prev).each(
+function() {
+$(this).find("input:first").prop("checked", true)
+.trigger("change");
+}
+);
+}
+else {
+$(event.target).parents("li:last").nextUntil(prev).each(
+function() {
+$(this).find("input:first").prop("checked", true)
+.trigger("change");
+}
+);
+}
+}
+}
+$(event.target).blur();
+});
+// Keyboard support.
+this.$container.on('keydown', $.proxy(function(event) {
+if ($('input[type="text"]', this.$container).is(':focus')) {
+return;
+}
+if ((event.keyCode === 9 || event.keyCode === 27)
+&& this.$container.hasClass('open')) {
+// Close on tab or escape.
+this.$button.click();
+}
+else {
+var $items = $(this.$container).find("li:not(.divider):visible a");
+if (!$items.length) {
+return;
+}
+var index = $items.index($items.filter(':focus'));
+// Navigation up.
+if (event.keyCode === 38 && index > 0) {
+index--;
+}
+// Navigate down.
+else if (event.keyCode === 40 && index < $items.length - 1) {
+index++;
+}
+else if (!~index) {
+index = 0;
+}
+var $current = $items.eq(index);
+$current.focus();
+if (event.keyCode === 32 || event.keyCode === 13) {
+var $checkbox = $current.find('input');
+$checkbox.prop("checked", !$checkbox.prop("checked"));
+$checkbox.change();
+}
+event.stopPropagation();
+event.preventDefault();
+}
+}, this));
+},
+/**
+* Create an option using the given select option.
+*
+* @param {jQuery} element
+*/
+createOptionValue: function(element) {
+if ($(element).is(':selected')) {
+$(element).prop('selected', true);
+}
+// Support the label attribute on options.
+var label = this.options.label(element);
+var value = $(element).val();
+var inputType = this.options.multiple ? "checkbox" : "radio";
+var $li = $(this.templates.li);
+$('label', $li).addClass(inputType);
+$('label', $li).append('<input type="' + inputType + '" />');
+var selected = $(element).prop('selected') || false;
+var $checkbox = $('input', $li);
+$checkbox.val(value);
+if (value === this.options.selectAllValue) {
+$checkbox.parent().parent()
+.addClass('multiselect-all');
+}
+$('label', $li).append(" " + label);
+this.$ul.append($li);
+if ($(element).is(':disabled')) {
+$checkbox.attr('disabled', 'disabled')
+.prop('disabled', true)
+.parents('li')
+.addClass('disabled');
+}
+$checkbox.prop('checked', selected);
+if (selected && this.options.selectedClass) {
+$checkbox.parents('li')
+.addClass(this.options.selectedClass);
+}
+},
+/**
+* Creates a divider using the given select option.
+*
+* @param {jQuery} element
+*/
+createDivider: function(element) {
+var $divider = $(this.templates.divider);
+this.$ul.append($divider);
+},
+/**
+* Creates an optgroup.
+*
+* @param {jQuery} group
+*/
+createOptgroup: function(group) {
+var groupName = $(group).prop('label');
+// Add a header for the group.
+var $li = $(this.templates.liGroup);
+$('label', $li).text(groupName);
+this.$ul.append($li);
+// Add the options of the group.
+$('option', group).each($.proxy(function(index, element) {
+this.createOptionValue(element);
+}, this));
+},
+/**
+* Build the selct all.
+* Checks if a select all ahs already been created.
+*/
+buildSelectAll: function() {
+var alreadyHasSelectAll = this.hasSelectAll();
+// If options.includeSelectAllOption === true, add the include all checkbox.
+if (this.options.includeSelectAllOption && this.options.multiple && !alreadyHasSelectAll) {
+this.$select.prepend('<option value="' + this.options.selectAllValue + '">' + this.options.selectAllText + '</option>');
+}
+},
+/**
+* Builds the filter.
+*/
+buildFilter: function() {
+// Build filter if filtering OR case insensitive filtering is enabled and the number of options exceeds (or equals) enableFilterLength.
+if (this.options.enableFiltering || this.options.enableCaseInsensitiveFiltering) {
+var enableFilterLength = Math.max(this.options.enableFiltering, this.options.enableCaseInsensitiveFiltering);
+if (this.$select.find('option').length >= enableFilterLength) {
+this.$filter = $(this.templates.filter);
+$('input', this.$filter).attr('placeholder', this.options.filterPlaceholder);
+this.$ul.prepend(this.$filter);
+this.$filter.val(this.query).on('click', function(event) {
+event.stopPropagation();
+}).on('input keydown', $.proxy(function(event) {
+// This is useful to catch "keydown" events after the browser has updated the control.
+clearTimeout(this.searchTimeout);
+this.searchTimeout = this.asyncFunction($.proxy(function() {
+if (this.query !== event.target.value) {
+this.query = event.target.value;
+$.each($('li', this.$ul), $.proxy(function(index, element) {
+var value = $('input', element).val();
+var text = $('label', element).text();
+if (value !== this.options.selectAllValue && text) {
+// by default lets assume that element is not
+// interesting for this search
+var showElement = false;
+var filterCandidate = '';
+if ((this.options.filterBehavior === 'text' || this.options.filterBehavior === 'both')) {
+filterCandidate = text;
+}
+if ((this.options.filterBehavior === 'value' || this.options.filterBehavior === 'both')) {
+filterCandidate = value;
+}
+if (this.options.enableCaseInsensitiveFiltering && filterCandidate.toLowerCase().indexOf(this.query.toLowerCase()) > -1) {
+showElement = true;
+}
+else if (filterCandidate.indexOf(this.query) > -1) {
+showElement = true;
+}
+if (showElement) {
+$(element).show();
+}
+else {
+$(element).hide();
+}
+}
+}, this));
+}
+// TODO: check whether select all option needs to be updated.
+}, this), 300, this);
+}, this));
+}
+}
+},
+/**
+* Unbinds the whole plugin.
+*/
+destroy: function() {
+this.$container.remove();
+this.$select.show();
+},
+/**
+* Refreshs the multiselect based on the selected options of the select.
+*/
+refresh: function() {
+$('option', this.$select).each($.proxy(function(index, element) {
+var $input = $('li input', this.$ul).filter(function() {
+return $(this).val() === $(element).val();
+});
+if ($(element).is(':selected')) {
+$input.prop('checked', true);
+if (this.options.selectedClass) {
+$input.parents('li')
+.addClass(this.options.selectedClass);
+}
+}
+else {
+$input.prop('checked', false);
+if (this.options.selectedClass) {
+$input.parents('li')
+.removeClass(this.options.selectedClass);
+}
+}
+if ($(element).is(":disabled")) {
+$input.attr('disabled', 'disabled')
+.prop('disabled', true)
+.parents('li')
+.addClass('disabled');
+}
+else {
+$input.prop('disabled', false)
+.parents('li')
+.removeClass('disabled');
+}
+}, this));
+this.updateButtonText();
+this.updateSelectAll();
+},
+/**
+* Select all options of the given values.
+*
+* @param {Array} selectValues
+*/
+select: function(selectValues) {
+if(selectValues && !$.isArray(selectValues)) {
+selectValues = [selectValues];
+}
+for (var i = 0; i < selectValues.length; i++) {
+var value = selectValues[i];
+var $option = this.getOptionByValue(value);
+var $checkbox = this.getInputByValue(value);
+if (this.options.selectedClass) {
+$checkbox.parents('li')
+.addClass(this.options.selectedClass);
+}
+$checkbox.prop('checked', true);
+$option.prop('selected', true);
+}
+this.updateButtonText();
+},
+/**
+* Deselects all options of the given values.
+*
+* @param {Array} deselectValues
+*/
+deselect: function(deselectValues) {
+if(deselectValues && !$.isArray(deselectValues)) {
+deselectValues = [deselectValues];
+}
+for (var i = 0; i < deselectValues.length; i++) {
+var value = deselectValues[i];
+var $option = this.getOptionByValue(value);
+var $checkbox = this.getInputByValue(value);
+if (this.options.selectedClass) {
+$checkbox.parents('li')
+.removeClass(this.options.selectedClass);
+}
+$checkbox.prop('checked', false);
+$option.prop('selected', false);
+}
+this.updateButtonText();
+},
+/**
+* Rebuild the plugin.
+* Rebuilds the dropdown, the filter and the select all option.
+*/
+rebuild: function() {
+this.$ul.html('');
+// Remove select all option in select.
+$('option[value="' + this.options.selectAllValue + '"]', this.$select).remove();
+// Important to distinguish between radios and checkboxes.
+this.options.multiple = this.$select.attr('multiple') === "multiple";
+this.buildSelectAll();
+this.buildDropdownOptions();
+this.buildFilter();
+this.updateButtonText();
+this.updateSelectAll();
+},
+/**
+* The provided data will be used to build the dropdown.
+*
+* @param {Array} dataprovider
+*/
+dataprovider: function(dataprovider) {
+var optionDOM = "";
+dataprovider.forEach(function (option) {
+optionDOM += '<option value="' + option.value + '">' + option.label + '</option>';
+});
+this.$select.html(optionDOM);
+this.rebuild();
+},
+/**
+* Enable the multiselect.
+*/
+enable: function() {
+this.$select.prop('disabled', false);
+this.$button.prop('disabled', false)
+.removeClass('disabled');
+},
+/**
+* Disable the multiselect.
+*/
+disable: function() {
+this.$select.prop('disabled', true);
+this.$button.prop('disabled', true)
+.addClass('disabled');
+},
+/**
+* Set the options.
+*
+* @param {Array} options
+*/
+setOptions: function(options) {
+this.options = this.mergeOptions(options);
+},
+/**
+* Merges the given options with the default options.
+*
+* @param {Array} options
+* @returns {Array}
+*/
+mergeOptions: function(options) {
+return $.extend({}, this.defaults, options);
+},
+/**
+* Checks whether a select all option is present.
+*
+* @returns {Boolean}
+*/
+hasSelectAll: function() {
+return this.$select[0][0] ? this.$select[0][0].value === this.options.selectAllValue : false;
+},
+/**
+* Updates the select all option based on the currently selected options.
+*/
+updateSelectAll: function() {
+if (this.hasSelectAll()) {
+var selected = this.getSelected();
+if (selected.length === $('option', this.$select).length - 1) {
+this.select(this.options.selectAllValue);
+}
+else {
+this.deselect(this.options.selectAllValue);
+}
+}
+},
+/**
+* Update the button text and its title base don the currenty selected options.
+*/
+updateButtonText: function() {
+var options = this.getSelected();
+// First update the displayed button text.
+$('button', this.$container).html(this.options.buttonText(options, this.$select));
+// Now update the title attribute of the button.
+$('button', this.$container).attr('title', this.options.buttonTitle(options, this.$select));
+},
+/**
+* Get all selected options.
+*
+* @returns {jQUery}
+*/
+getSelected: function() {
+return $('option[value!="' + this.options.selectAllValue + '"]:selected', this.$select).filter(function() {
+return $(this).prop('selected');
+});
+},
+/**
+* Gets a select option by its value.
+*
+* @param {String} value
+* @returns {jQuery}
+*/
+getOptionByValue: function(value) {
+return $('option', this.$select).filter(function() {
+return $(this).val() === value;
+});
+},
+/**
+* Get the input (radio/checkbox) by its value.
+*
+* @param {String} value
+* @returns {jQuery}
+*/
+getInputByValue: function(value) {
+return $('li input', this.$ul).filter(function() {
+return $(this).val() === value;
+});
+},
+/**
+* Used for knockout integration.
+*/
+updateOriginalOptions: function() {
+this.originalOptions = this.$select.clone()[0].options;
+},
+asyncFunction: function(callback, timeout, self) {
+var args = Array.prototype.slice.call(arguments, 3);
+return setTimeout(function() {
+callback.apply(self || window, args);
+}, timeout);
+}
+};
+$.fn.multiselect = function(option, parameter) {
+return this.each(function() {
+var data = $(this).data('multiselect');
+var options = typeof option === 'object' && option;
+// Initialize the multiselect.
+if (!data) {
+$(this).data('multiselect', ( data = new Multiselect(this, options)));
+}
+// Call multiselect method.
+if (typeof option === 'string') {
+data[option](parameter);
+}
+});
+};
+$.fn.multiselect.Constructor = Multiselect;
+$(function() {
+$("select[data-role=multiselect]").multiselect();
+});
+}(window.jQuery);

spel