/*
 * jquery superfish menu plugin - v1.7.4
 * copyright (c) 2013 joel birch
 *
 * dual licensed under the mit and gpl licenses:
 *	http://www.opensource.org/licenses/mit-license.php
 *	http://www.gnu.org/licenses/gpl.html
 */

;(function ($) {
	"use strict";

	var methods = (function () {
		// private properties and methods go here
		var c = {
				bcclass: 'sf-breadcrumb',
				menuclass: 'sf-js-enabled',
				anchorclass: 'sf-with-ul',
				menuarrowclass: 'sf-arrows'
			},
			ios = (function () {
				var ios = /iphone|ipad|ipod/i.test(navigator.useragent);
				if (ios) {
					// ios clicks only bubble as far as body children
					$(window).load(function () {
						$('body').children().on('click', $.noop);
					});
				}
				return ios;
			})(),
			wp7 = (function () {
				var style = document.documentelement.style;
				return ('behavior' in style && 'fill' in style && /iemobile/i.test(navigator.useragent));
			})(),
			togglemenuclasses = function ($menu, o) {
				var classes = c.menuclass;
				if (o.cssarrows) {
					classes += ' ' + c.menuarrowclass;
				}
				$menu.toggleclass(classes);
			},
			setpathtocurrent = function ($menu, o) {
				return $menu.find('li.' + o.pathclass).slice(0, o.pathlevels)
					.addclass(o.hoverclass + ' ' + c.bcclass)
						.filter(function () {
							return ($(this).children(o.popupselector).hide().show().length);
						}).removeclass(o.pathclass);
			},
			toggleanchorclass = function ($li) {
				$li.children('a').toggleclass(c.anchorclass);
			},
			toggletouchaction = function ($menu) {
				var touchaction = $menu.css('ms-touch-action');
				touchaction = (touchaction === 'pan-y') ? 'auto' : 'pan-y';
				$menu.css('ms-touch-action', touchaction);
			},
			applyhandlers = function ($menu, o) {
				var targets = 'li:has(' + o.popupselector + ')';
				if ($.fn.hoverintent && !o.disablehi) {
					$menu.hoverintent(over, out, targets);
				}
				else {
					$menu
						.on('mouseenter.superfish', targets, over)
						.on('mouseleave.superfish', targets, out);
				}
				var touchevent = 'mspointerdown.superfish';
				if (!ios) {
					touchevent += ' touchend.superfish';
				}
				if (wp7) {
					touchevent += ' mousedown.superfish';
				}
				$menu
					.on('focusin.superfish', 'li', over)
					.on('focusout.superfish', 'li', out)
					.on(touchevent, 'a', o, touchhandler);
			},
			touchhandler = function (e) {
				var $this = $(this),
					$ul = $this.siblings(e.data.popupselector);

				if ($ul.length > 0 && $ul.is(':hidden')) {
					$this.one('click.superfish', false);
					if (e.type === 'mspointerdown') {
						$this.trigger('focus');
					} else {
						$.proxy(over, $this.parent('li'))();
					}
				}
			},
			over = function () {
				var $this = $(this),
					o = getoptions($this);
				cleartimeout(o.sftimer);
				$this.siblings().superfish('hide').end().superfish('show');
			},
			out = function () {
				var $this = $(this),
					o = getoptions($this);
				if (ios) {
					$.proxy(close, $this, o)();
				}
				else {
					cleartimeout(o.sftimer);
					o.sftimer = settimeout($.proxy(close, $this, o), o.delay);
				}
			},
			close = function (o) {
				o.retainpath = ($.inarray(this[0], o.$path) > -1);
				this.superfish('hide');

				if (!this.parents('.' + o.hoverclass).length) {
					o.onidle.call(getmenu(this));
					if (o.$path.length) {
						$.proxy(over, o.$path)();
					}
				}
			},
			getmenu = function ($el) {
				return $el.closest('.' + c.menuclass);
			},
			getoptions = function ($el) {
				return getmenu($el).data('sf-options');
			};

		return {
			// public methods
			hide: function (instant) {
				if (this.length) {
					var $this = this,
						o = getoptions($this);
					if (!o) {
						return this;
					}
					var not = (o.retainpath === true) ? o.$path : '',
						$ul = $this.find('li.' + o.hoverclass).add(this).not(not).removeclass(o.hoverclass).children(o.popupselector),
						speed = o.speedout;

					if (instant) {
						$ul.show();
						speed = 0;
					}
					o.retainpath = false;
					o.onbeforehide.call($ul);
					$ul.stop(true, true).animate(o.animationout, speed, function () {
						var $this = $(this);
						o.onhide.call($this);
					});
				}
				return this;
			},
			show: function () {
				var o = getoptions(this);
				if (!o) {
					return this;
				}
				var $this = this.addclass(o.hoverclass),
					$ul = $this.children(o.popupselector);

				o.onbeforeshow.call($ul);
				$ul.stop(true, true).animate(o.animation, o.speed, function () {
					o.onshow.call($ul);
				});
				return this;
			},
			destroy: function () {
				return this.each(function () {
					var $this = $(this),
						o = $this.data('sf-options'),
						$haspopup;
					if (!o) {
						return false;
					}
					$haspopup = $this.find(o.popupselector).parent('li');
					cleartimeout(o.sftimer);
					togglemenuclasses($this, o);
					toggleanchorclass($haspopup);
					toggletouchaction($this);
					// remove event handlers
					$this.off('.superfish').off('.hoverintent');
					// clear animation's inline display style
					$haspopup.children(o.popupselector).attr('style', function (i, style) {
						return style.replace(/display[^;]+;?/g, '');
					});
					// reset 'current' path classes
					o.$path.removeclass(o.hoverclass + ' ' + c.bcclass).addclass(o.pathclass);
					$this.find('.' + o.hoverclass).removeclass(o.hoverclass);
					o.ondestroy.call($this);
					$this.removedata('sf-options');
				});
			},
			init: function (op) {
				return this.each(function () {
					var $this = $(this);
					if ($this.data('sf-options')) {
						return false;
					}
					var o = $.extend({}, $.fn.superfish.defaults, op),
						$haspopup = $this.find(o.popupselector).parent('li');
					o.$path = setpathtocurrent($this, o);

					$this.data('sf-options', o);

					togglemenuclasses($this, o);
					toggleanchorclass($haspopup);
					toggletouchaction($this);
					applyhandlers($this, o);

					$haspopup.not('.' + c.bcclass).superfish('hide', true);

					o.oninit.call(this);
				});
			}
		};
	})();

	$.fn.superfish = function (method, args) {
		if (methods[method]) {
			return methods[method].apply(this, array.prototype.slice.call(arguments, 1));
		}
		else if (typeof method === 'object' || ! method) {
			return methods.init.apply(this, arguments);
		}
		else {
			return $.error('method ' +  method + ' does not exist on jquery.fn.superfish');
		}
	};

	$.fn.superfish.defaults = {
		popupselector: 'ul,.sf-mega', // within menu context
		hoverclass: 'sfhover',
		pathclass: 'overridethistouse',
		pathlevels: 1,
		delay: 800,
		animation: {opacity: 'show'},
		animationout: {opacity: 'hide'},
		speed: 'normal',
		speedout: 'fast',
		cssarrows: true,
		disablehi: false,
		oninit: $.noop,
		onbeforeshow: $.noop,
		onshow: $.noop,
		onbeforehide: $.noop,
		onhide: $.noop,
		onidle: $.noop,
		ondestroy: $.noop
	};

	// soon to be deprecated
	$.fn.extend({
		hidesuperfishul: methods.hide,
		showsuperfishul: methods.show
	});

})(jquery);