From 6ea2de6e26f2489fbf98128e89693ac806ef5159 Mon Sep 17 00:00:00 2001 From: alexandre-pereira Date: Sat, 14 Mar 2015 18:20:35 +0100 Subject: [PATCH] Ajout ', + 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' : 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.$ul.css({ + 'max-height': this.options.maxHeight + 'px', + 'overflow-y': 'auto', + 'overflow-x': 'hidden' + }); + } + + this.$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) { + + 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. + $('li input', this.$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(); + } + else { + this.deselectAll(); + } + } + + if(!isSelectAllOption){ + 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. + $option.prop('selected', false); + } + } + + this.$select.change(); + + this.updateButtonText(); + this.updateSelectAll(); + + this.options.onChange($option, checked); + + 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) { + $('li.multiselect-group', this.$ul).on('click', $.proxy(function(event) { + event.stopPropagation(); + + var group = $(event.target).parent(); + + // Search all option in optgroup + var $options = group.nextUntil('li.multiselect-group'); + var $visibleOptions = $options.filter(":visible"); + + // check or uncheck items + var allChecked = true; + var optionInputs = $visibleOptions.find('input'); + optionInputs.each(function() { + allChecked = allChecked && $(this).prop('checked'); + }); + + optionInputs.prop('checked', !allChecked).trigger('change'); + }, this)); + } + }, + + /** + * 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 value = $element.val(); + var inputType = this.options.multiple ? "checkbox" : "radio"; + + var $li = $(this.options.templates.li); + var $label = $('label', $li); + $label.addClass(inputType); + + var $checkbox = $('').attr('type', inputType); + + if (this.options.checkboxName) { + $checkbox.attr('name', this.options.checkboxName); + } + $label.append($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.append(" " + label); + $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 groupName = $(group).prop('label'); + + // Add a header for the group. + var $li = $(this.options.templates.liGroup); + $('label', $li).text(groupName); + + if (this.options.enableClickableOptGroups) { + $li.addClass('multiselect-group-clickable'); + } + + this.$ul.append($li); + + if ($(group).is(':disabled')) { + $li.addClass('disabled'); + } + + // 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 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.selectAllName) { + $('label', $li).append(''); + } + else { + $('label', $li).append(''); + } + + var $checkbox = $('input', $li); + $checkbox.val(this.options.selectAllValue); + + $li.addClass("multiselect-item multiselect-all"); + $checkbox.parent().parent() + .addClass('multiselect-all'); + + $('label', $li).append(" " + this.options.selectAllText); + + this.$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("filter-hidden"); + this.updateSelectAll(); + }, 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.toLowerCase().indexOf(this.query.toLowerCase()) > -1) { + showElement = true; + } + else if (filterCandidate.indexOf(this.query) > -1) { + showElement = true; + } + + // Toggle current element (group or group item) according to showElement boolean. + $(element).toggle(showElement).toggleClass('filter-hidden', !showElement); + + // Differentiate groups and group items. + if ($(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('filter-hidden'); + } + + // Show all group items when group name satisfies filter. + if (!showElement && currentGroupVisible) { + $(element).show().removeClass('filter-hidden'); + } + } + } + }, this)); + } + + this.updateSelectAll(); + }, this), 300, this); + }, this)); + } + } + }, + + /** + * Unbinds the whole plugin. + */ + destroy: function() { + this.$container.remove(); + this.$select.show(); + this.$select.data('multiselect', null); + }, + + /** + * Refreshs the multiselect based on the selected options of the select. + */ + refresh: function() { + $('option', this.$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.closest('li') + .addClass(this.options.selectedClass); + } + } + else { + $input.prop('checked', false); + + if (this.options.selectedClass) { + $input.closest('li') + .removeClass(this.options.selectedClass); + } + } + + if ($(element).is(":disabled")) { + $input.attr('disabled', 'disabled') + .prop('disabled', true) + .closest('li') + .addClass('disabled'); + } + else { + $input.prop('disabled', false) + .closest('li') + .removeClass('disabled'); + } + }, this)); + + this.updateButtonText(); + this.updateSelectAll(); + }, + + /** + * Select all options of the given values. + * + * If triggerOnChange is set to true, the on change event is triggered if + * and only if one value is passed. + * + * @param {Array} selectValues + * @param {Boolean} triggerOnChange + */ + select: function(selectValues, triggerOnChange) { + if(!$.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); + $option.prop('selected', true); + } + + this.updateButtonText(); + this.updateSelectAll(); + + if (triggerOnChange && selectValues.length === 1) { + this.options.onChange($option, true); + } + }, + + /** + * Clears all selected items. + */ + clearSelection: function () { + this.deselectAll(false); + this.updateButtonText(); + this.updateSelectAll(); + }, + + /** + * 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); + $option.prop('selected', false); + } + + this.updateButtonText(); + this.updateSelectAll(); + + if (triggerOnChange && deselectValues.length === 1) { + this.options.onChange($option, false); + } + }, + + /** + * 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 allCheckboxes = $("li input[type='checkbox']:enabled", this.$ul); + var visibleCheckboxes = allCheckboxes.filter(":visible"); + var allCheckboxesCount = allCheckboxes.length; + var visibleCheckboxesCount = visibleCheckboxes.length; + + if(justVisible) { + visibleCheckboxes.prop('checked', true); + $("li:not(.divider):not(.disabled)", this.$ul).filter(":visible").addClass(this.options.selectedClass); + } + else { + allCheckboxes.prop('checked', true); + $("li:not(.divider):not(.disabled)", this.$ul).addClass(this.options.selectedClass); + } + + if (allCheckboxesCount === visibleCheckboxesCount || justVisible === false) { + $("option:enabled", this.$select).prop('selected', true); + } + else { + var values = visibleCheckboxes.map(function() { + return $(this).val(); + }).get(); + + $("option:enabled", this.$select).filter(function(index) { + return $.inArray($(this).val(), values) !== -1; + }).prop('selected', true); + } + + 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) { + var justVisible = typeof justVisible === 'undefined' ? true : justVisible; + + if(justVisible) { + var visibleCheckboxes = $("li input[type='checkbox']:enabled", this.$ul).filter(":visible"); + visibleCheckboxes.prop('checked', false); + + var values = visibleCheckboxes.map(function() { + return $(this).val(); + }).get(); + + $("option:enabled", this.$select).filter(function(index) { + return $.inArray($(this).val(), values) !== -1; + }).prop('selected', false); + + if (this.options.selectedClass) { + $("li:not(.divider):not(.disabled)", this.$ul).filter(":visible").removeClass(this.options.selectedClass); + } + } + else { + $("li input[type='checkbox']:enabled", this.$ul).prop('checked', false); + $("option:enabled", this.$select).prop('selected', false); + + if (this.options.selectedClass) { + $("li:not(.divider):not(.disabled)", this.$ul).removeClass(this.options.selectedClass); + } + } + }, + + /** + * 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(); + + if (this.options.disableIfEmpty && $('option', this.$select).length <= 0) { + this.disable(); + } + + 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 + $tag.append($('