/*
* jQuery UI selectmenu dev version
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI
* https://github.com/fnagel/jquery-ui/wiki/Selectmenu
*/

(function ($) {

	$.widget("ui.selectmenu", {
		getter: "value",
		version: "1.8",
		eventPrefix: "selectmenu",
		options: {
			transferClasses: true,
			typeAhead: "sequential",
			style: 'dropdown',
			positionOptions: {
				my: "left top",
				at: "left top",
				offset: null
			},
			width: null,
			menuWidth: null,
			handleWidth: 26,
			maxHeight: 600,
			icons: null,
			format: null,
			bgImage: function () { },
			wrapperElement: "<div />"
		},

		_create: function () {
			var self = this, o = this.options;

			// set a default id value, generate a new random one if not set by developer
			var selectmenuId = this.element.attr('id') || 'ui-selectmenu-' + Math.random().toString(16).slice(2, 10);

			// quick array of button and menu id's
			this.ids = [selectmenuId + '-button', selectmenuId + '-menu'];

			// define safe mouseup for future toggling
			this._safemouseup = true;

			// create menu button wrapper
			this.newelement = $('<a />', {
				'class': this.widgetBaseClass + ' ui-widget ui-state-default ui-corner-all',
				'id': this.ids[0],
				'role': 'button',
				'href': '#',
				'tabindex': this.element.attr('disabled') ? 1 : 0,
				'aria-haspopup': true,
				'aria-owns': this.ids[1]
			});
			this.newelementWrap = $(o.wrapperElement)
			.append(this.newelement)
			.insertAfter(this.element);

			// transfer tabindex
			var tabindex = this.element.attr('tabindex');
			if (tabindex) {
				this.newelement.attr('tabindex', tabindex);
			}

			// save reference to select in data for ease in calling methods
			this.newelement.data('selectelement', this.element);

			// menu icon
			this.selectmenuIcon = $('<span class="' + this.widgetBaseClass + '-icon ui-icon"></span>')
			.prependTo(this.newelement);

			// append status span to button
			this.newelement.prepend('<span class="' + self.widgetBaseClass + '-status" />');

			// make associated form label trigger focus
			$('label[for="' + selectmenuId + '"]')
			.attr('for', this.ids[0])
			.bind('click.selectmenu', function () {
				self.newelement[0].focus();
				return false;
			});

			// click toggle for menu visibility
			this.newelement
			.bind('mousedown.selectmenu', function (event) {
				self._toggle(event, true);
				// make sure a click won't open/close instantly
				if (o.style == "popup") {
					self._safemouseup = false;
					setTimeout(function () { self._safemouseup = true; }, 300);
				}
				return false;
			})
			.bind('click.selectmenu', function () {
				return false;
			})
			.bind("keydown.selectmenu", function (event) {
				var ret = false;
				switch (event.keyCode) {
					case $.ui.keyCode.ENTER:
						ret = true;
						break;
					case $.ui.keyCode.SPACE:
						self._toggle(event);
						break;
					case $.ui.keyCode.UP:
						if (event.altKey) {
							self.open(event);
						} else {
							self._moveSelection(-1);
						}
						break;
					case $.ui.keyCode.DOWN:
						if (event.altKey) {
							self.open(event);
						} else {
							self._moveSelection(1);
						}
						break;
					case $.ui.keyCode.LEFT:
						self._moveSelection(-1);
						break;
					case $.ui.keyCode.RIGHT:
						self._moveSelection(1);
						break;
					case $.ui.keyCode.TAB:
						ret = true;
						break;
					default:
						ret = true;
				}
				return ret;
			})
			.bind('keypress.selectmenu', function (event) {
				self._typeAhead(event.which, 'mouseup');
				return true;
			})
			.bind('mouseover.selectmenu focus.selectmenu', function () {
				if (!o.disabled) {
					$(this).addClass(self.widgetBaseClass + '-focus ui-state-hover');
				}
			})
			.bind('mouseout.selectmenu blur.selectmenu', function () {
				if (!o.disabled) {
					$(this).removeClass(self.widgetBaseClass + '-focus ui-state-hover');
				}
			});

			// document click closes menu
			$(document).bind("mousedown.selectmenu", function (event) {
				self.close(event);
			});

			// change event on original selectmenu
			this.element
			.bind("click.selectmenu", function () {
				self._refreshValue();
			})
			// FIXME: newelement can be null under unclear circumstances in IE8
			// TODO not sure if this is still a problem (fnagel 20.03.11)
			.bind("focus.selectmenu", function () {
				if (self.newelement) {
					self.newelement[0].focus();
				}
			});

			// set width when not set via options
			if (!o.width) {
				o.width = this.element.outerWidth();
			}
			// set menu button width
			this.newelement.width(o.width);

			// hide original selectmenu element
			this.element.hide();

			// create menu portion, append to body		
			this.list = $('<ul />', {
				'class': 'ui-widget ui-widget-content',
				'aria-hidden': true,
				'role': 'listbox',
				'aria-labelledby': this.ids[0],
				'id': this.ids[1]
			});
			this.listWrap = $(o.wrapperElement)
			.addClass(self.widgetBaseClass + '-menu')
			.append(this.list)
			.appendTo('body');

			// transfer menu click to menu button
			this.list
			.bind("keydown.selectmenu", function (event) {
				var ret = false;
				switch (event.keyCode) {
					case $.ui.keyCode.UP:
						if (event.altKey) {
							self.close(event, true);
						} else {
							self._moveFocus(-1);
						}
						break;
					case $.ui.keyCode.DOWN:
						if (event.altKey) {
							self.close(event, true);
						} else {
							self._moveFocus(1);
						}
						break;
					case $.ui.keyCode.LEFT:
						self._moveFocus(-1);
						break;
					case $.ui.keyCode.RIGHT:
						self._moveFocus(1);
						break;
					case $.ui.keyCode.HOME:
						self._moveFocus(':first');
						break;
					case $.ui.keyCode.PAGE_UP:
						self._scrollPage('up');
						break;
					case $.ui.keyCode.PAGE_DOWN:
						self._scrollPage('down');
						break;
					case $.ui.keyCode.END:
						self._moveFocus(':last');
						break;
					case $.ui.keyCode.ENTER:
					case $.ui.keyCode.SPACE:
						self.close(event, true);
						$(event.target).parents('li:eq(0)').trigger('mouseup');
						break;
					case $.ui.keyCode.TAB:
						ret = true;
						self.close(event, true);
						$(event.target).parents('li:eq(0)').trigger('mouseup');
						break;
					case $.ui.keyCode.ESCAPE:
						self.close(event, true);
						break;
					default:
						ret = true;
				}
				return ret;
			})
			.bind('keypress.selectmenu', function (event) {
				self._typeAhead(event.which, 'focus');
				return true;
			})
			// this allows for using the scrollbar in an overflowed list
			.bind('mousedown.selectmenu mouseup.selectmenu', function () { return false; });

			// needed when window is resized
			// TODO seems to be useless, but causes errors (fnagel 01.08.11)
			// see: https://github.com/fnagel/jquery-ui/issues/147
			// $(window).bind( "resize.selectmenu", $.proxy( self._refreshPosition, this ) );
		},

		_init: function () {
			var self = this, o = this.options;

			// serialize selectmenu element options
			var selectOptionData = [];
			this.element
			.find('option')
			.each(function () {
				var opt = $(this);
				selectOptionData.push({
					value: opt.attr('value'),
					text: self._formatText(opt.text()),
					selected: opt.attr('selected'),
					disabled: opt.attr('disabled'),
					classes: opt.attr('class'),
					typeahead: opt.attr('typeahead'),
					parentOptGroup: opt.parent('optgroup'),
					bgImage: o.bgImage.call(opt)
				});
			});

			// active state class is only used in popup style
			var activeClass = (self.options.style == "popup") ? " ui-state-active" : "";

			// empty list so we can refresh the selectmenu via selectmenu()
			this.list.html("");

			// write li's
			if (selectOptionData.length) {
				for (var i = 0; i < selectOptionData.length; i++) {
					var thisLiAttr = { role: 'presentation' };
					if (selectOptionData[i].disabled) {
						thisLiAttr['class'] = this.namespace + '-state-disabled';
					}
					var thisAAttr = {
						html: selectOptionData[i].text,
						href: '#',
						tabindex: -1,
						role: 'option',
						'aria-selected': false
					};
					if (selectOptionData[i].disabled) {
						thisAAttr['aria-disabled'] = selectOptionData[i].disabled;
					}
					if (selectOptionData[i].typeahead) {
						thisAAttr['typeahead'] = selectOptionData[i].typeahead;
					}
					var thisA = $('<a/>', thisAAttr);
					var thisLi = $('<li/>', thisLiAttr)
					.append(thisA)
					.data('index', i)
					.addClass(selectOptionData[i].classes)
					.data('optionClasses', selectOptionData[i].classes || '')
					.bind("mouseup.selectmenu", function (event) {
						if (self._safemouseup && !self._disabled(event.currentTarget) && !self._disabled($(event.currentTarget).parents("ul>li." + self.widgetBaseClass + "-group "))) {
							var changed = $(this).data('index') != self._selectedIndex();
							self.index($(this).data('index'));
							self.select(event);
							if (changed) {
								self.change(event);
							}
							self.close(event, true);
						}
						return false;
					})
					.bind("click.selectmenu", function () {
						return false;
					})
					.bind('mouseover.selectmenu focus.selectmenu', function (e) {
						// no hover if diabled
						if (!$(e.currentTarget).hasClass(self.namespace + '-state-disabled') && !$(e.currentTarget).parent("ul").parent("li").hasClass(self.namespace + '-state-disabled')) {
							self._selectedOptionLi().addClass(activeClass);
							self._focusedOptionLi().removeClass(self.widgetBaseClass + '-item-focus ui-state-hover');
							$(this).removeClass('ui-state-active').addClass(self.widgetBaseClass + '-item-focus ui-state-hover');
						}
					})
					.bind('mouseout.selectmenu blur.selectmenu', function () {
						if ($(this).is(self._selectedOptionLi().selector)) {
							$(this).addClass(activeClass);
						}
						$(this).removeClass(self.widgetBaseClass + '-item-focus ui-state-hover');
					});

					// optgroup or not...
					if (selectOptionData[i].parentOptGroup.length) {
						var optGroupName = self.widgetBaseClass + '-group-' + this.element.find('optgroup').index(selectOptionData[i].parentOptGroup);
						if (this.list.find('li.' + optGroupName).length) {
							this.list.find('li.' + optGroupName + ':last ul').append(thisLi);
						} else {
							$(' <li role="presentation" class="' + self.widgetBaseClass + '-group ' + optGroupName + (selectOptionData[i].parentOptGroup.attr("disabled") ? ' ' + this.namespace + '-state-disabled" aria-disabled="true"' : '"') + '><span class="' + self.widgetBaseClass + '-group-label">' + selectOptionData[i].parentOptGroup.attr('label') + '</span><ul></ul></li> ')
							.appendTo(this.list)
							.find('ul')
							.append(thisLi);
						}
					} else {
						thisLi.appendTo(this.list);
					}

					// append icon if option is specified
					if (o.icons) {
						for (var j in o.icons) {
							if (thisLi.is(o.icons[j].find)) {
								thisLi
								.data('optionClasses', selectOptionData[i].classes + ' ' + self.widgetBaseClass + '-hasIcon')
								.addClass(self.widgetBaseClass + '-hasIcon');
								var iconClass = o.icons[j].icon || "";
								thisLi
								.find('a:eq(0)')
								.prepend('<span class="' + self.widgetBaseClass + '-item-icon ui-icon ' + iconClass + '"></span>');
								if (selectOptionData[i].bgImage) {
									thisLi.find('span').css('background-image', selectOptionData[i].bgImage);
								}
							}
						}
					}
				}
			} else {
				$('<li role="presentation"><a href="#" tabindex="-1" role="option"></a></li>').appendTo(this.list);
			}
			// we need to set and unset the CSS classes for dropdown and popup style
			var isDropDown = (o.style == 'dropdown');
			this.newelement
			.toggleClass(self.widgetBaseClass + '-dropdown', isDropDown)
			.toggleClass(self.widgetBaseClass + '-popup', !isDropDown);
			this.list
			.toggleClass(self.widgetBaseClass + '-menu-dropdown ui-corner-bottom', isDropDown)
			.toggleClass(self.widgetBaseClass + '-menu-popup ui-corner-all', !isDropDown)
			// add corners to top and bottom menu items
			.find('li:first')
			.toggleClass('ui-corner-top', !isDropDown)
			.end().find('li:last')
			.addClass('ui-corner-bottom');
			this.selectmenuIcon
			.toggleClass('ui-icon-triangle-1-s', isDropDown)
			.toggleClass('ui-icon-triangle-2-n-s', !isDropDown);

			// transfer classes to selectmenu and list
			if (o.transferClasses) {
				var transferClasses = this.element.attr('class') || '';
				this.newelement.add(this.list).addClass(transferClasses);
			}

			// set menu width to either menuWidth option value, width option value, or select width
			if (o.style == 'dropdown') {
				this.list.width(o.menuWidth ? o.menuWidth : o.width);
			} else {
				this.list.width(o.menuWidth ? o.menuWidth : o.width - o.handleWidth);
			}

			// reset height to auto
			this.list.css('height', 'auto');
			var listH = this.listWrap.height();
			// calculate default max height
			if (o.maxHeight && o.maxHeight < listH) {
				this.list.height(o.maxHeight);
			} else {
				var winH = $(window).height() / 3;
				if (winH < listH) this.list.height(winH);
			}

			// save reference to actionable li's (not group label li's)
			this._optionLis = this.list.find('li:not(.' + self.widgetBaseClass + '-group)');

			// transfer disabled state
			if (this.element.attr('disabled')) {
				this.disable();
			} else {
				this.enable()
			}

			// update value
			this.index(this._selectedIndex());

			// needed when selectmenu is placed at the very bottom / top of the page
			window.setTimeout(function () {
				self._refreshPosition();
			}, 200);
		},

		destroy: function () {
			this.element.removeData(this.widgetName)
			.removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')
			.removeAttr('aria-disabled')
			.unbind(".selectmenu");

			// TODO unneded as event binding has been disabled
			// $( window ).unbind( ".selectmenu" );
			$(document).unbind(".selectmenu");

			// unbind click on label, reset its for attr
			$('label[for=' + this.newelement.attr('id') + ']')
			.attr('for', this.element.attr('id'))
			.unbind('.selectmenu');

			this.newelementWrap.remove();
			this.listWrap.remove();

			this.element.show();

			// call widget destroy function
			$.Widget.prototype.destroy.apply(this, arguments);
		},

		_typeAhead: function (code, eventType) {
			var self = this, focusFound = false, C = String.fromCharCode(code).toUpperCase();
			c = C.toLowerCase();

			if (self.options.typeAhead == 'sequential') {
				// clear the timeout so we can use _prevChar
				window.clearTimeout('ui.selectmenu-' + self.selectmenuId);

				// define our find var
				var find = typeof (self._prevChar) == 'undefined' ? '' : self._prevChar.join('');

				function focusOptSeq(elem, ind, c) {
					focusFound = true;
					$(elem).trigger(eventType);
					typeof (self._prevChar) == 'undefined' ? self._prevChar = [c] : self._prevChar[self._prevChar.length] = c;
				}
				this.list.find('li a').each(function (i) {
					if (!focusFound) {
						// allow the typeahead attribute on the option tag for a more specific lookup
						var thisText = $(this).attr('typeahead') || $(this).text();
						if (thisText.indexOf(find + C) === 0) {
							focusOptSeq(this, i, C);
						} else if (thisText.indexOf(find + c) === 0) {
							focusOptSeq(this, i, c);
						}
					}
				});
				// set a 1 second timeout for sequenctial typeahead
				// keep this set even if we have no matches so it doesnt typeahead somewhere else
				window.setTimeout(function (el) {
					self._prevChar = undefined;
				}, 1000, self);

			} else {
				// define self._prevChar if needed
				if (!self._prevChar) { self._prevChar = ['', 0]; }

				focusFound = false;
				function focusOpt(elem, ind) {
					focusFound = true;
					$(elem).trigger(eventType);
					self._prevChar[1] = ind;
				}
				this.list.find('li a').each(function (i) {
					if (!focusFound) {
						var thisText = $(this).text();
						if (thisText.indexOf(C) === 0 || thisText.indexOf(c) === 0) {
							if (self._prevChar[0] == C) {
								if (self._prevChar[1] < i) { focusOpt(this, i); }
							} else {
								focusOpt(this, i);
							}
						}
					}
				});
				this._prevChar[0] = C;
			}
		},

		// returns some usefull information, called by callbacks only
		_uiHash: function () {
			var index = this.index();
			return {
				index: index,
				option: $("option", this.element).get(index),
				value: this.element[0].value
			};
		},

		open: function (event) {
			var self = this, o = this.options;
			if (self.newelement.attr("aria-disabled") != 'true') {
				self._closeOthers(event);
				self.newelement.addClass('ui-state-active');

				self.listWrap.appendTo(o.appendTo);
				self.list.attr('aria-hidden', false);

				if (o.style == "dropdown") {
					self.newelement.removeClass('ui-corner-all').addClass('ui-corner-top');
				}

				self.listWrap.addClass(self.widgetBaseClass + '-open');
				// positioning needed for IE7 (tested 01.08.11 on MS VPC Image)
				// see https://github.com/fnagel/jquery-ui/issues/147
				if ($.browser.msie && $.browser.version.substr(0, 1) == 7) {
					self._refreshPosition();
				}
				var selected = self.list.attr('aria-hidden', false).find('li:not(.' + self.widgetBaseClass + '-group):eq(' + self._selectedIndex() + '):visible a');
				if (selected.length) selected[0].focus();
				// positioning needed for FF, Chrome, IE8, IE7, IE6 (tested 01.08.11 on MS VPC Image)
				self._refreshPosition();

				self._trigger("open", event, self._uiHash());
			}
		},

		close: function (event, retainFocus) {
			if (this.newelement.is('.ui-state-active')) {
				this.newelement
				.removeClass('ui-state-active');
				this.listWrap.removeClass(this.widgetBaseClass + '-open');
				this.list.attr('aria-hidden', true);
				if (this.options.style == "dropdown") {
					this.newelement.removeClass('ui-corner-top').addClass('ui-corner-all');
				}
				if (retainFocus) {
					this.newelement.focus();
				}
				this._trigger("close", event, this._uiHash());
			}
		},

		change: function (event) {
			this.element.trigger("change");
			this._trigger("change", event, this._uiHash());
		},

		select: function (event) {
			if (this._disabled(event.currentTarget)) { return false; }
			this._trigger("select", event, this._uiHash());
		},

		_closeOthers: function (event) {
			$('.' + this.widgetBaseClass + '.ui-state-active').not(this.newelement).each(function () {
				$(this).data('selectelement').selectmenu('close', event);
			});
			$('.' + this.widgetBaseClass + '.ui-state-hover').trigger('mouseout');
		},

		_toggle: function (event, retainFocus) {
			if (this.list.is('.' + this.widgetBaseClass + '-open')) {
				this.close(event, retainFocus);
			} else {
				this.open(event);
			}
		},

		_formatText: function (text) {
			return (this.options.format ? this.options.format(text) : text);
		},

		_selectedIndex: function () {
			return this.element[0].selectedIndex;
		},

		_selectedOptionLi: function () {
			return this._optionLis.eq(this._selectedIndex());
		},

		_focusedOptionLi: function () {
			return this.list.find('.' + this.widgetBaseClass + '-item-focus');
		},

		_moveSelection: function (amt, recIndex) {
			// do nothing if disabled
			if (!this.options.disabled) {
				var currIndex = parseInt(this._selectedOptionLi().data('index') || 0, 10);
				var newIndex = currIndex + amt;
				// do not loop when using up key

				if (newIndex < 0) {
					newIndex = 0;
				}
				if (newIndex > this._optionLis.size() - 1) {
					newIndex = this._optionLis.size() - 1;
				}
				// Occurs when a full loop has been made
				if (newIndex === recIndex) { return false; }

				if (this._optionLis.eq(newIndex).hasClass(this.namespace + '-state-disabled')) {
					// if option at newIndex is disabled, call _moveFocus, incrementing amt by one
					(amt > 0) ? ++amt : --amt;
					this._moveSelection(amt, newIndex);
				} else {
					return this._optionLis.eq(newIndex).trigger('mouseup');
				}
			}
		},

		_moveFocus: function (amt, recIndex) {
			if (!isNaN(amt)) {
				var currIndex = parseInt(this._focusedOptionLi().data('index') || 0, 10);
				var newIndex = currIndex + amt;
			} else {
				var newIndex = parseInt(this._optionLis.filter(amt).data('index'), 10);
			}

			if (newIndex < 0) {
				newIndex = 0;
			}
			if (newIndex > this._optionLis.size() - 1) {
				newIndex = this._optionLis.size() - 1;
			}

			//Occurs when a full loop has been made
			if (newIndex === recIndex) { return false; }

			var activeID = this.widgetBaseClass + '-item-' + Math.round(Math.random() * 1000);

			this._focusedOptionLi().find('a:eq(0)').attr('id', '');

			if (this._optionLis.eq(newIndex).hasClass(this.namespace + '-state-disabled')) {
				// if option at newIndex is disabled, call _moveFocus, incrementing amt by one
				(amt > 0) ? ++amt : --amt;
				this._moveFocus(amt, newIndex);
			} else {
				this._optionLis.eq(newIndex).find('a:eq(0)').attr('id', activeID).focus();
			}

			this.list.attr('aria-activedescendant', activeID);
		},

		_scrollPage: function (direction) {
			var numPerPage = Math.floor(this.list.outerHeight() / this.list.find('li:first').outerHeight());
			numPerPage = (direction == 'up' ? -numPerPage : numPerPage);
			this._moveFocus(numPerPage);
		},

		_setOption: function (key, value) {
			this.options[key] = value;
			// set
			if (key == 'disabled') {
				this.close();
				this.element
				.add(this.newelement)
				.add(this.list)[value ? 'addClass' : 'removeClass'](
					this.widgetBaseClass + '-disabled' + ' ' +
					this.namespace + '-state-disabled')
				.attr("aria-disabled", value);
			}
		},

		disable: function (index, type) {
			// if options is not provided, call the parents disable function
			if (typeof (index) == 'undefined') {
				this._setOption('disabled', true);
			} else {
				if (type == "optgroup") {
					this._disableOptgroup(index);
				} else {
					this._disableOption(index);
				}
			}
		},

		enable: function (index, type) {
			// if options is not provided, call the parents enable function
			if (typeof (index) == 'undefined') {
				this._setOption('disabled', false);
			} else {
				if (type == "optgroup") {
					this._enableOptgroup(index);
				} else {
					this._enableOption(index);
				}
			}
		},

		_disabled: function (elem) {
			return $(elem).hasClass(this.namespace + '-state-disabled');
		},


		_disableOption: function (index) {
			var optionElem = this._optionLis.eq(index);
			if (optionElem) {
				optionElem.addClass(this.namespace + '-state-disabled')
					.find("a").attr("aria-disabled", true);
				this.element.find("option").eq(index).attr("disabled", "disabled");
			}
		},

		_enableOption: function (index) {
			var optionElem = this._optionLis.eq(index);
			if (optionElem) {
				optionElem.removeClass(this.namespace + '-state-disabled')
					.find("a").attr("aria-disabled", false);
				this.element.find("option").eq(index).removeAttr("disabled");
			}
		},

		_disableOptgroup: function (index) {
			var optGroupElem = this.list.find('li.' + this.widgetBaseClass + '-group-' + index);
			if (optGroupElem) {
				optGroupElem.addClass(this.namespace + '-state-disabled')
					.attr("aria-disabled", true);
				this.element.find("optgroup").eq(index).attr("disabled", "disabled");
			}
		},

		_enableOptgroup: function (index) {
			var optGroupElem = this.list.find('li.' + this.widgetBaseClass + '-group-' + index);
			if (optGroupElem) {
				optGroupElem.removeClass(this.namespace + '-state-disabled')
					.attr("aria-disabled", false);
				this.element.find("optgroup").eq(index).removeAttr("disabled");
			}
		},

		index: function (newValue) {
			if (arguments.length) {
				if (!this._disabled($(this._optionLis[newValue]))) {
					this.element[0].selectedIndex = newValue;
					this._refreshValue();
				} else {
					return false;
				}
			} else {
				return this._selectedIndex();
			}
		},

		value: function (newValue) {
			if (arguments.length) {
				this.element[0].value = newValue;
				this._refreshValue();
			} else {
				return this.element[0].value;
			}
		},

		_refreshValue: function () {
			var activeClass = (this.options.style == "popup") ? " ui-state-active" : "";
			var activeID = this.widgetBaseClass + '-item-' + Math.round(Math.random() * 1000);
			// deselect previous
			this.list
			.find('.' + this.widgetBaseClass + '-item-selected')
			.removeClass(this.widgetBaseClass + "-item-selected" + activeClass)
			.find('a')
			.attr('aria-selected', 'false')
			.attr('id', '');
			// select new
			this._selectedOptionLi()
			.addClass(this.widgetBaseClass + "-item-selected" + activeClass)
			.find('a')
			.attr('aria-selected', 'true')
			.attr('id', activeID);

			// toggle any class brought in from option
			var currentOptionClasses = (this.newelement.data('optionClasses') ? this.newelement.data('optionClasses') : "");
			var newOptionClasses = (this._selectedOptionLi().data('optionClasses') ? this._selectedOptionLi().data('optionClasses') : "");
			this.newelement
			.removeClass(currentOptionClasses)
			.data('optionClasses', newOptionClasses)
			.addClass(newOptionClasses)
			.find('.' + this.widgetBaseClass + '-status')
			.html(
				this._selectedOptionLi()
					.find('a:eq(0)')
					.html()
			);

			this.list.attr('aria-activedescendant', activeID);
		},

		_refreshPosition: function () {
			var o = this.options;

			// if its a native pop-up we need to calculate the position of the selected li
			if (o.style == "popup" && !o.positionOptions.offset) {
				var selected = this._selectedOptionLi();
				var _offset = "0 -" + (selected.outerHeight() + selected.offset().top - this.list.offset().top);
			}
			// update zIndex if jQuery UI is able to process
			var zIndexElement = this.element.zIndex();
			if (zIndexElement) {
				this.listWrap.css('zIndex', zIndexElement);
			}
			this.listWrap.position({
				// set options for position plugin
				of: o.positionOptions.of || this.newelement,
				my: o.positionOptions.my,
				at: o.positionOptions.at,
				offset: o.positionOptions.offset || _offset,
				collision: o.positionOptions.collision || 'flip'
			});
		}
	});

})(jQuery);