/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/

(function () {
'use strict';

$(document)
.on('click.dropdown', function (event) {
if (!$(event.target).is('[data-toggle=dropdown].active, ' +
'[data-toggle=dropdown].active *, ' +
'[data-toggle=dropdown].active + .dropdown-menu, ' +
'[data-toggle=dropdown].active + .dropdown-menu *,' +
'[data-toggle=dropdown].active + [data-target="dropdown"],' +
'[data-toggle=dropdown].active + [data-target="dropdown"] *')
) {
$('[data-toggle=dropdown].active').trigger('close.dropdown');
}
})
.on('keyup.dropdown', function (event) {
if (event.keyCode === 27) { // escape key
$('[data-toggle=dropdown].active').trigger('close.dropdown');
}
});

/** @function dropdown */
$.fn.dropdown = function (options) {
options = $.extend({
parent: null,
btnArrow: '.arrow',
activeClass: 'active'
}, options);

return this.each(function () {
var elem = $(this);

elem.off('open.dropdown, close.dropdown, click.dropdown');
elem.on('open.dropdown', function () {
elem.addClass(options.activeClass)
.parent()
.addClass(options.activeClass);

elem.find(options.btnArrow).text('\u25b2'); // arrow up
});

elem.on('close.dropdown', function () {
elem.removeClass(options.activeClass)
.parent()
.removeClass(options.activeClass);

elem.find(options.btnArrow).text('\u25bc'); // arrow down
});

elem.on('click.dropdown', function () {
var isActive = elem.hasClass('active');

$('[data-toggle=dropdown].active').trigger('close.dropdown');
elem.trigger(isActive ? 'close.dropdown' : 'open.dropdown');

return false;
});
});
};

$(document).ready(function () {
$('[data-toggle=dropdown]').dropdown();
});

})();