307 lines
9.9 KiB
JavaScript
307 lines
9.9 KiB
JavaScript
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'use strict';
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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!function ($) {
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/**
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* AccordionMenu module.
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* @module foundation.accordionMenu
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* @requires foundation.util.keyboard
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* @requires foundation.util.motion
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* @requires foundation.util.nest
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*/
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var AccordionMenu = function () {
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/**
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* Creates a new instance of an accordion menu.
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* @class
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* @fires AccordionMenu#init
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* @param {jQuery} element - jQuery object to make into an accordion menu.
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* @param {Object} options - Overrides to the default plugin settings.
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*/
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function AccordionMenu(element, options) {
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_classCallCheck(this, AccordionMenu);
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this.$element = element;
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this.options = $.extend({}, AccordionMenu.defaults, this.$element.data(), options);
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Foundation.Nest.Feather(this.$element, 'accordion');
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this._init();
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Foundation.registerPlugin(this, 'AccordionMenu');
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Foundation.Keyboard.register('AccordionMenu', {
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'ENTER': 'toggle',
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'SPACE': 'toggle',
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'ARROW_RIGHT': 'open',
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'ARROW_UP': 'up',
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'ARROW_DOWN': 'down',
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'ARROW_LEFT': 'close',
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'ESCAPE': 'closeAll',
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'TAB': 'down',
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'SHIFT_TAB': 'up'
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});
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}
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/**
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* Initializes the accordion menu by hiding all nested menus.
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* @private
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*/
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_createClass(AccordionMenu, [{
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key: '_init',
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value: function _init() {
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this.$element.find('[data-submenu]').not('.is-active').slideUp(0); //.find('a').css('padding-left', '1rem');
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this.$element.attr({
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'role': 'tablist',
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'aria-multiselectable': this.options.multiOpen
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});
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this.$menuLinks = this.$element.find('.is-accordion-submenu-parent');
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this.$menuLinks.each(function () {
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var linkId = this.id || Foundation.GetYoDigits(6, 'acc-menu-link'),
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$elem = $(this),
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$sub = $elem.children('[data-submenu]'),
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subId = $sub[0].id || Foundation.GetYoDigits(6, 'acc-menu'),
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isActive = $sub.hasClass('is-active');
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$elem.attr({
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'aria-controls': subId,
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'aria-expanded': isActive,
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'role': 'tab',
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'id': linkId
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});
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$sub.attr({
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'aria-labelledby': linkId,
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'aria-hidden': !isActive,
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'role': 'tabpanel',
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'id': subId
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});
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});
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var initPanes = this.$element.find('.is-active');
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if (initPanes.length) {
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var _this = this;
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initPanes.each(function () {
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_this.down($(this));
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});
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}
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this._events();
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}
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/**
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* Adds event handlers for items within the menu.
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* @private
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*/
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}, {
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key: '_events',
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value: function _events() {
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var _this = this;
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this.$element.find('li').each(function () {
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var $submenu = $(this).children('[data-submenu]');
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if ($submenu.length) {
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$(this).children('a').off('click.zf.accordionMenu').on('click.zf.accordionMenu', function (e) {
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e.preventDefault();
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_this.toggle($submenu);
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});
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}
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}).on('keydown.zf.accordionmenu', function (e) {
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var $element = $(this),
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$elements = $element.parent('ul').children('li'),
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$prevElement,
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$nextElement,
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$target = $element.children('[data-submenu]');
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$elements.each(function (i) {
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if ($(this).is($element)) {
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$prevElement = $elements.eq(Math.max(0, i - 1)).find('a').first();
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$nextElement = $elements.eq(Math.min(i + 1, $elements.length - 1)).find('a').first();
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if ($(this).children('[data-submenu]:visible').length) {
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// has open sub menu
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$nextElement = $element.find('li:first-child').find('a').first();
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}
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if ($(this).is(':first-child')) {
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// is first element of sub menu
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$prevElement = $element.parents('li').first().find('a').first();
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} else if ($prevElement.children('[data-submenu]:visible').length) {
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// if previous element has open sub menu
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$prevElement = $prevElement.find('li:last-child').find('a').first();
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}
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if ($(this).is(':last-child')) {
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// is last element of sub menu
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$nextElement = $element.parents('li').first().next('li').find('a').first();
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}
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return;
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}
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});
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Foundation.Keyboard.handleKey(e, 'AccordionMenu', {
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open: function () {
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if ($target.is(':hidden')) {
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_this.down($target);
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$target.find('li').first().find('a').first().focus();
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}
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},
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close: function () {
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if ($target.length && !$target.is(':hidden')) {
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// close active sub of this item
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_this.up($target);
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} else if ($element.parent('[data-submenu]').length) {
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// close currently open sub
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_this.up($element.parent('[data-submenu]'));
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$element.parents('li').first().find('a').first().focus();
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}
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},
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up: function () {
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$prevElement.attr('tabindex', -1).focus();
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return true;
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},
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down: function () {
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$nextElement.attr('tabindex', -1).focus();
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return true;
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},
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toggle: function () {
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if ($element.children('[data-submenu]').length) {
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_this.toggle($element.children('[data-submenu]'));
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}
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},
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closeAll: function () {
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_this.hideAll();
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},
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handled: function (preventDefault) {
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if (preventDefault) {
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e.preventDefault();
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}
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e.stopImmediatePropagation();
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}
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});
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}); //.attr('tabindex', 0);
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}
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/**
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* Closes all panes of the menu.
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* @function
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*/
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}, {
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key: 'hideAll',
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value: function hideAll() {
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this.$element.find('[data-submenu]').slideUp(this.options.slideSpeed);
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}
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/**
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* Toggles the open/close state of a submenu.
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* @function
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* @param {jQuery} $target - the submenu to toggle
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*/
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}, {
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key: 'toggle',
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value: function toggle($target) {
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if (!$target.is(':animated')) {
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if (!$target.is(':hidden')) {
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this.up($target);
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} else {
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this.down($target);
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}
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}
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}
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/**
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* Opens the sub-menu defined by `$target`.
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* @param {jQuery} $target - Sub-menu to open.
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* @fires AccordionMenu#down
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*/
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}, {
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key: 'down',
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value: function down($target) {
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var _this = this;
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if (!this.options.multiOpen) {
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this.up(this.$element.find('.is-active').not($target.parentsUntil(this.$element).add($target)));
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}
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$target.addClass('is-active').attr({ 'aria-hidden': false }).parent('.is-accordion-submenu-parent').attr({ 'aria-expanded': true });
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//Foundation.Move(this.options.slideSpeed, $target, function() {
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$target.slideDown(_this.options.slideSpeed, function () {
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/**
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* Fires when the menu is done opening.
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* @event AccordionMenu#down
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*/
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_this.$element.trigger('down.zf.accordionMenu', [$target]);
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});
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//});
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}
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/**
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* Closes the sub-menu defined by `$target`. All sub-menus inside the target will be closed as well.
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* @param {jQuery} $target - Sub-menu to close.
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* @fires AccordionMenu#up
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*/
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}, {
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key: 'up',
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value: function up($target) {
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var _this = this;
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//Foundation.Move(this.options.slideSpeed, $target, function(){
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$target.slideUp(_this.options.slideSpeed, function () {
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/**
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* Fires when the menu is done collapsing up.
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* @event AccordionMenu#up
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*/
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_this.$element.trigger('up.zf.accordionMenu', [$target]);
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});
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//});
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var $menus = $target.find('[data-submenu]').slideUp(0).addBack().attr('aria-hidden', true);
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$menus.parent('.is-accordion-submenu-parent').attr('aria-expanded', false);
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}
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/**
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* Destroys an instance of accordion menu.
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* @fires AccordionMenu#destroyed
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*/
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}, {
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key: 'destroy',
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value: function destroy() {
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this.$element.find('[data-submenu]').slideDown(0).css('display', '');
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this.$element.find('a').off('click.zf.accordionMenu');
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Foundation.Nest.Burn(this.$element, 'accordion');
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Foundation.unregisterPlugin(this);
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}
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}]);
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return AccordionMenu;
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}();
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AccordionMenu.defaults = {
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/**
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* Amount of time to animate the opening of a submenu in ms.
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* @option
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* @example 250
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*/
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slideSpeed: 250,
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/**
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* Allow the menu to have multiple open panes.
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* @option
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* @example true
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*/
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multiOpen: true
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};
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// Window exports
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Foundation.plugin(AccordionMenu, 'AccordionMenu');
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}(jQuery);
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