'use strict';
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; }; }();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
!function ($) {
/**
* Accordion module.
* @module foundation.accordion
* @requires foundation.util.keyboard
* @requires foundation.util.motion
*/
var Accordion = function () {
/**
* Creates a new instance of an accordion.
* @class
* @fires Accordion#init
* @param {jQuery} element - jQuery object to make into an accordion.
* @param {Object} options - a plain object with settings to override the default options.
*/
function Accordion(element, options) {
_classCallCheck(this, Accordion);
this.$element = element;
this.options = $.extend({}, Accordion.defaults, this.$element.data(), options);
this._init();
Foundation.registerPlugin(this, 'Accordion');
Foundation.Keyboard.register('Accordion', {
'ENTER': 'toggle',
'SPACE': 'toggle',
'ARROW_DOWN': 'next',
'ARROW_UP': 'previous'
});
}
/**
* Initializes the accordion by animating the preset active pane(s).
* @private
*/
_createClass(Accordion, [{
key: '_init',
value: function _init() {
this.$element.attr('role', 'tablist');
this.$tabs = this.$element.children('[data-accordion-item]');
this.$tabs.each(function (idx, el) {
var $el = $(el),
$content = $el.children('[data-tab-content]'),
id = $content[0].id || Foundation.GetYoDigits(6, 'accordion'),
linkId = el.id || id + '-label';
$el.find('a:first').attr({
'aria-controls': id,
'role': 'tab',
'id': linkId,
'aria-expanded': false,
'aria-selected': false
});
$content.attr({ 'role': 'tabpanel', 'aria-labelledby': linkId, 'aria-hidden': true, 'id': id });
});
var $initActive = this.$element.find('.is-active').children('[data-tab-content]');
if ($initActive.length) {
this.down($initActive, true);
}
this._events();
}
/**
* Adds event handlers for items within the accordion.
* @private
*/
}, {
key: '_events',
value: function _events() {
var _this = this;
this.$tabs.each(function () {
var $elem = $(this);
var $tabContent = $elem.children('[data-tab-content]');
if ($tabContent.length) {
$elem.children('a').off('click.zf.accordion keydown.zf.accordion').on('click.zf.accordion', function (e) {
e.preventDefault();
_this.toggle($tabContent);
}).on('keydown.zf.accordion', function (e) {
Foundation.Keyboard.handleKey(e, 'Accordion', {
toggle: function () {
_this.toggle($tabContent);
},
next: function () {
var $a = $elem.next().find('a').focus();
if (!_this.options.multiExpand) {
$a.trigger('click.zf.accordion');
}
},
previous: function () {
var $a = $elem.prev().find('a').focus();
if (!_this.options.multiExpand) {
$a.trigger('click.zf.accordion');
}
},
handled: function () {
e.preventDefault();
e.stopPropagation();
}
});
});
}
});
}
/**
* Toggles the selected content pane's open/close state.
* @param {jQuery} $target - jQuery object of the pane to toggle (`.accordion-content`).
* @function
*/
}, {
key: 'toggle',
value: function toggle($target) {
if ($target.parent().hasClass('is-active')) {
this.up($target);
} else {
this.down($target);
}
}
/**
* Opens the accordion tab defined by `$target`.
* @param {jQuery} $target - Accordion pane to open (`.accordion-content`).
* @param {Boolean} firstTime - flag to determine if reflow should happen.
* @fires Accordion#down
* @function
*/
}, {
key: 'down',
value: function down($target, firstTime) {
var _this2 = this;
$target.attr('aria-hidden', false).parent('[data-tab-content]').addBack().parent().addClass('is-active');
if (!this.options.multiExpand && !firstTime) {
var $currentActive = this.$element.children('.is-active').children('[data-tab-content]');
if ($currentActive.length) {
this.up($currentActive.not($target));
}
}
$target.slideDown(this.options.slideSpeed, function () {
/**
* Fires when the tab is done opening.
* @event Accordion#down
*/
_this2.$element.trigger('down.zf.accordion', [$target]);
});
$('#' + $target.attr('aria-labelledby')).attr({
'aria-expanded': true,
'aria-selected': true
});
}
/**
* Closes the tab defined by `$target`.
* @param {jQuery} $target - Accordion tab to close (`.accordion-content`).
* @fires Accordion#up
* @function
*/
}, {
key: 'up',
value: function up($target) {
var $aunts = $target.parent().siblings(),
_this = this;
if (!this.options.allowAllClosed && !$aunts.hasClass('is-active') || !$target.parent().hasClass('is-active')) {
return;
}
// Foundation.Move(this.options.slideSpeed, $target, function(){
$target.slideUp(_this.options.slideSpeed, function () {
/**
* Fires when the tab is done collapsing up.
* @event Accordion#up
*/
_this.$element.trigger('up.zf.accordion', [$target]);
});
// });
$target.attr('aria-hidden', true).parent().removeClass('is-active');
$('#' + $target.attr('aria-labelledby')).attr({
'aria-expanded': false,
'aria-selected': false
});
}
/**
* Destroys an instance of an accordion.
* @fires Accordion#destroyed
* @function
*/
}, {
key: 'destroy',
value: function destroy() {
this.$element.find('[data-tab-content]').stop(true).slideUp(0).css('display', '');
this.$element.find('a').off('.zf.accordion');
Foundation.unregisterPlugin(this);
}
}]);
return Accordion;
}();
Accordion.defaults = {
/**
* Amount of time to animate the opening of an accordion pane.
* @option
* @example 250
*/
slideSpeed: 250,
/**
* Allow the accordion to have multiple open panes.
* @option
* @example false
*/
multiExpand: false,
/**
* Allow the accordion to close all panes.
* @option
* @example false
*/
allowAllClosed: false
};
// Window exports
Foundation.plugin(Accordion, 'Accordion');
}(jQuery);
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