(function(c){function f(b,a){this.b=c(b);this.a=c.extend({},g,a);this.H()}var g={containerHTML:'<div class="multi-select-container">',menuHTML:'<div class="multi-select-menu">',buttonHTML:'<span class="multi-select-button">',menuItemsHTML:'<div class="multi-select-menuitems">',menuItemHTML:'<label class="multi-select-menuitem">',presetsHTML:'<div class="multi-select-presets">',activeClass:"multi-select-container--open",noneText:"-- Select --",allText:void 0,presets:void 0,positionedMenuClass:"multi-select-container--positioned",
positionMenuWithin:void 0,viewportBottomGutter:20,menuMinHeight:200};c.extend(f.prototype,{H:function(){this.v();this.G();this.A();this.w();this.B();this.J();this.K();this.b.hide()},v:function(){if(!1===this.b.is("select[multiple]"))throw Error("$.multiSelect only works on <select multiple> elements");},G:function(){this.l=c('label[for="'+this.b.attr("id")+'"]')},A:function(){this.f=c(this.a.containerHTML);this.b.data("multi-select-container",this.f);this.f.insertAfter(this.b)},w:function(){var b=
this;this.g=c(this.a.buttonHTML);this.g.attr({role:"button","aria-haspopup":"true",tabindex:0,"aria-label":this.l.eq(0).text()}).on("keydown.multiselect",function(a){a=a.which;13!==a&&32!==a||b.g.click()}).on("click.multiselect",function(){b.m()}).appendTo(this.f);this.b.on("change.multiselect",function(){b.o()});this.o()},o:function(){var b=[],a=[];this.b.children("option").each(function(){var d=c(this).text();b.push(d);c(this).is(":selected")&&a.push(c.trim(d))});this.g.empty();0==a.length?this.g.text(this.a.noneText):
a.length===b.length&&this.a.allText?this.g.text(this.a.allText):this.g.text(a.join(", "))},B:function(){var b=this;this.c=c(this.a.menuHTML);this.c.attr({role:"menu"}).on("keyup.multiselect",function(a){27===a.which&&b.j()}).appendTo(this.f);this.D();this.a.presets&&this.F()},D:function(){var b=this;this.h=c(this.a.menuItemsHTML);this.c.append(this.h);this.b.on("change.multiselect",function(a,c){!0!==c&&b.s()});this.s()},s:function(){var b=this;this.h.empty();this.b.children("option").each(function(a,
d){a=b.C(c(d),a);b.h.append(a)})},F:function(){var b=this;this.i=c(this.a.presetsHTML);this.c.prepend(this.i);c.each(this.a.presets,function(a,d){a=b.b.attr("name")+"_preset_"+a;var h=c(b.a.menuItemHTML).attr({"for":a,role:"menuitem"}).text(" "+d.name).appendTo(b.i);c("<input>").attr({type:"radio",name:b.b.attr("name")+"_presets",id:a}).prependTo(h).on("change.multiselect",function(){b.b.val(d.options);b.b.trigger("change")})});this.b.on("change.multiselect",function(){b.u()});this.u()},u:function(){var b=
this;c.each(this.a.presets,function(a,c){a=b.b.attr("name")+"_preset_"+a;a=b.i.find("#"+a);a:{c=c.options||[];var d=b.b.val()||[];if(c.length!=d.length)c=!1;else{c.sort();d.sort();for(var e=0;e<c.length;e++)if(c[e]!==d[e]){c=!1;break a}c=!0}}c?a.prop("checked",!0):a.prop("checked",!1)})},C:function(b,a){var d=this.b.attr("name")+"_"+a;a=c(this.a.menuItemHTML).attr({"for":d,role:"menuitem"}).text(" "+b.text());d=c("<input>").attr({type:"checkbox",id:d,value:b.val()}).prependTo(a);b.is(":disabled")&&
d.attr("disabled","disabled");b.is(":selected")&&d.prop("checked","checked");d.on("change.multiselect",function(){c(this).prop("checked")?b.prop("selected",!0):b.prop("selected",!1);b.trigger("change",[!0])});return a},J:function(){var b=this;c("html").on("click.multiselect",function(){b.j()});this.f.on("click.multiselect",function(a){a.stopPropagation()})},K:function(){var b=this;this.l.on("click.multiselect",function(a){a.preventDefault();a.stopPropagation();b.m()})},I:function(){c("html").trigger("click.multiselect");
this.f.addClass(this.a.activeClass);if(this.a.positionMenuWithin&&this.a.positionMenuWithin instanceof c){var b=this.c.offset().left+this.c.outerWidth(),a=this.a.positionMenuWithin.offset().left+this.a.positionMenuWithin.outerWidth();b>a&&(this.c.css("width",a-this.c.offset().left),this.f.addClass(this.a.positionedMenuClass))}b=this.c.offset().top+this.c.outerHeight();a=c(window).scrollTop()+c(window).height();b>a-this.a.viewportBottomGutter?this.c.css({maxHeight:Math.max(a-this.a.viewportBottomGutter-
this.c.offset().top,this.a.menuMinHeight),overflow:"scroll"}):this.c.css({maxHeight:"",overflow:""})},j:function(){this.f.removeClass(this.a.activeClass);this.f.removeClass(this.a.positionedMenuClass);this.c.css("width","auto")},m:function(){this.f.hasClass(this.a.activeClass)?this.j():this.I()}});c.fn.multiSelect=function(b){return this.each(function(){c.data(this,"plugin_multiSelect")||c.data(this,"plugin_multiSelect",new f(this,b))})}})(jQuery);