/*
---
name: Chosen
description: Creates a Picker, which can be used for anything
authors: Patrick Filler, Jules Janssen, Jonnathan Soares
requires: [Core/*, More/Locale]
provides: Chosen
...
*/
Elements.implement({chosen:function(a){return this.each(function(b){if(!b.hasClass("chzn-done"))return new Chosen(b,a)})}});
var Chosen=new Class({Implements:Options,Binds:"test_active_click,container_mousedown,container_mouseup,mouse_enter,mouse_leave,search_results_mouseup,search_results_mouseover,search_results_mouseout,input_blur,keyup_checker,keydown_checker,choices_click,input_focus,activate_field,results_update_field".split(","),options:{allow_single_deselect:!1,disable_search_threshold:0},active_field:!1,mouse_on_container:!1,results_showing:!1,result_highlighted:null,result_single_selected:null,choices:0,initialize:function(a,
b){this.setOptions(b);this.form_field=a;this.is_multiple=this.form_field.multiple;this.is_rtl=this.form_field.hasClass("chzn-rtl");this.set_up_html();this.register_observers();this.form_field.addClass("chzn-done")},set_up_html:function(){this.form_field.get("id")||this.form_field.set("id",String.uniqueID());this.container_id=this.form_field.id.replace(/(:|\.)/g,"_")+"_chzn";this.f_width=this.form_field.measure(function(){return this.getSize().x});this.default_text=this.form_field.get("data-placeholder")?
this.form_field.get("data-placeholder"):Locale.get("Chosen.placeholder",this.form_field.multiple);this.container=new Element("div",{id:this.container_id,"class":"chzn-container"+(this.is_rtl?" chzn-rtl":"")+" chzn-container-"+(this.is_multiple?"multi":"single"),styles:{width:this.f_width}});this.is_multiple?this.container.set("html",'<ul class="chzn-choices"><li class="search-field"><input type="text" value="'+this.default_text+'" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>'):
this.container.set("html",'<a href="javascript:void(0)" class="chzn-single"><span>'+this.default_text+'</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>');this.form_field.setStyle("display","none").grab(this.container,"after");this.dropdown=this.container.getElement("div.chzn-drop");var a=this.container.getCoordinates().height,b=this.f_width-this.dropdown.get_side_border_padding();
this.dropdown.setStyles({width:b,top:a});this.search_field=this.container.getElement("input");this.search_results=this.container.getElement("ul.chzn-results");this.search_field_scale();this.search_no_results=this.container.getElement("li.no-results");this.is_multiple?(this.search_choices=this.container.getElement("ul.chzn-choices"),this.search_container=this.container.getElement("li.search-field")):(this.search_container=this.container.getElement("div.chzn-search"),this.selected_item=this.container.getElement(".chzn-single"),
this.search_field.setStyle("width",b-this.search_container.get_side_border_padding()-this.search_field.get_side_border_padding()));this.results_build();this.set_tab_index();this.form_field.fireEvent("liszt:ready",this)},register_observers:function(){this.container.addEvents({mousedown:this.container_mousedown,mouseup:this.container_mouseup,mouseenter:this.mouse_enter,mouseleave:this.mouse_leave});this.search_results.addEvents({mouseup:this.search_results_mouseup,mouseover:this.search_results_mouseover,
mouseout:this.search_results_mouseout});this.form_field.addEvent("liszt:updated",this.results_update_field);this.search_field.addEvents({blur:this.input_blur,keyup:this.keyup_checker,keydown:this.keydown_checker});this.is_multiple?(this.search_choices.addEvent("click",this.choices_click),this.search_field.addEvent("focus",this.input_focus)):this.selected_item.addEvent("focus",this.activate_field)},unregister_observers:function(){this.container.removeEvents({mousedown:this.container_mousedown,mouseup:this.container_mouseup,
mouseenter:this.mouse_enter,mouseleave:this.mouse_leave});this.search_results.removeEvents({mouseup:this.search_results_mouseup,mouseover:this.search_results_mouseover,mouseout:this.search_results_mouseout});this.form_field.removeEvent("liszt:updated",this.results_update_field);this.search_field.removeEvents({blur:this.input_blur,keyup:this.keyup_checker,keydown:this.keydown_checker});this.is_multiple?(this.search_choices.removeEvent("click",this.choices_click),this.search_field.removeEvent("focus",
this.input_focus)):this.selected_item.removeEvent("focus",this.activate_field);document.removeEvent("click",this.test_active_click)},search_field_disabled:function(){(this.is_disabled=this.form_field.get("disabled"))?(this.container.addClass("chzn-disabled"),this.search_field.set("disabled",!0),this.is_multiple||this.selected_item.removeEvent("focus",this.activate_field),this.close_field()):(this.container.removeClass("chzn-disabled"),this.search_field.set("disabled",!1),this.is_multiple||this.selected_item.addEvent("focus",
this.activate_field))},container_mousedown:function(a){if(!this.is_disabled){var b=null!=a?a.target.hasClass("search-choice-close"):!1;a&&"mousedown"===a.type&&a.stopPropagation();if(!this.pending_destroy_click&&!b){if(this.active_field){if(!this.is_multiple&&a&&(a.target===this.selected_item||a.target.getParents("a.chzn-single").length))a.preventDefault(),this.results_toggle()}else this.is_multiple&&this.search_field.set("value",""),document.addEvent("click",this.test_active_click),this.results_show();
this.activate_field()}else this.pending_destroy_click=!1}},container_mouseup:function(a){if("ABBR"===a.target.get("tag").toUpperCase())return this.results_reset(a)},mouse_enter:function(){this.mouse_on_container=!0},mouse_leave:function(){this.mouse_on_container=!1},input_focus:function(){this.active_field||setTimeout(this.container_mousedown,50)},input_blur:function(){if(!this.mouse_on_container)this.active_field=!1,setTimeout(this.blur_test.bind(this),100)},blur_test:function(){!this.active_field&&
this.container.hasClass("chzn-container-active")&&this.close_field()},close_field:function(){document.removeEvent("click",this.test_active_click);this.is_multiple||(this.selected_item.set("tabindex",this.search_field.get("tabindex")),this.search_field.set("tabindex",-1));this.active_field=!1;this.results_hide();this.container.removeClass("chzn-container-active");this.winnow_results_clear();this.clear_backstroke();this.show_search_field_default();this.search_field_scale()},activate_field:function(){!this.is_multiple&&
!this.active_field&&(this.search_field.set("tabindex",this.selected_item.get("tabindex")),this.selected_item.set("tabindex",-1));this.container.addClass("chzn-container-active");this.active_field=!0;this.search_field.set("value",this.search_field.get("value"));this.search_field.focus()},test_active_click:function(a){a.target.getParents("#"+this.container_id).length?this.active_field=!0:this.close_field()},results_build:function(){this.parsing=!0;this.results_data=this.form_field.select_to_array();
this.is_multiple&&0<this.choices?(this.search_choices.getElements("li.search-choice").destroy(),this.choices=0):this.is_multiple||(this.selected_item.getElements("span").set("text",this.default_text),this.form_field.options.length<=this.options.disable_search_threshold?this.container.addClass("chzn-container-single-nosearch"):this.container.removeClass("chzn-container-single-nosearch"));var a="";this.results_data.each(function(b){b.group?a+=this.result_add_group(b):b.empty||(a+=this.result_add_option(b),
b.selected&&this.is_multiple?this.choice_build(b):b.selected&&!this.is_multiple&&(this.selected_item.getElements("span").set("text",b.text),this.options.allow_single_deselect&&this.single_deselect_control_build()))},this);this.search_field_disabled();this.show_search_field_default();this.search_field_scale();this.search_results.set("html",a);this.parsing=!1},result_add_group:function(a){if(a.disabled)return"";a.dom_id=this.container_id+"_g_"+a.array_index;return'<li id="'+a.dom_id+'" class="group-result"><div>'+
a.label+"</div></li>"},result_add_option:function(a){if(a.disabled)return"";a.dom_id=this.container_id+"_o_"+a.array_index;var b=a.selected&&this.is_multiple?[]:["active-result"];a.selected&&b.push("result-selected");null!=a.group_array_index&&b.push("group-option");""!==a.classes&&b.push(a.classes);var d=""!==a.style.cssText?' style="'+a.style+'"':"";return'<li id="'+a.dom_id+'" class="'+b.join(" ")+'"'+d+">"+a.html+"</li>"},results_update_field:function(){this.result_clear_highlight();this.result_single_selected=
null;this.results_build()},result_do_highlight:function(a){if(a){this.result_clear_highlight();this.result_highlight=a;this.result_highlight.addClass("highlighted");var a=parseInt(this.search_results.getStyle("maxHeight"),10),b=this.search_results.getScroll().y,d=a+b,e=this.result_highlight.getPosition(this.search_results).y+this.search_results.getScroll().y,c=e+this.result_highlight.getCoordinates().height;c>=d?this.search_results.scrollTo(0,0<c-a?c-a:0):e<b&&this.search_results.scrollTo(0,e)}},
result_clear_highlight:function(){this.result_highlight&&this.result_highlight.removeClass("highlighted");this.result_highlight=null},results_toggle:function(){this.results_showing?this.results_hide():this.results_show()},results_show:function(){this.is_multiple||(this.selected_item.addClass("chzn-single-with-drop"),this.result_single_selected&&this.result_do_highlight(this.result_single_selected));this.dropdown.setStyles({top:this.is_multiple?this.container.getCoordinates().height:this.container.getCoordinates().height-
1,left:0});this.results_showing=!0;this.search_field.focus();this.search_field.set("value",this.search_field.get("value"));this.winnow_results()},results_hide:function(){this.is_multiple||this.selected_item.removeClass("chzn-single-with-drop");this.result_clear_highlight();this.dropdown.setStyle("left",-9E3);this.results_showing=!1},set_tab_index:function(){if(this.form_field.get("tabindex")){var a=this.form_field.get("tabindex");this.form_field.set("tabindex",-1);this.is_multiple?this.search_field.set("tabindex",
a):(this.selected_item.set("tabindex",a),this.search_field.set("tabindex",-1))}},show_search_field_default:function(){this.is_multiple&&1>this.choices&&!this.active_field?(this.search_field.set("value",this.default_text),this.search_field.addClass("default")):(this.search_field.set("value",""),this.search_field.removeClass("default"))},search_results_mouseup:function(a){var b=a.target.hasClass("active-result")?a.target:a.target.getParent(".active-result");if(b)this.result_highlight=b,this.result_select(a)},
search_results_mouseover:function(a){(a=a.target.hasClass("active-result")?a.target:a.target.getParent(".active-result"))&&this.result_do_highlight(a)},search_results_mouseout:function(a){(a.target.hasClass("active-result")||a.target.getParent(".active-result"))&&this.result_clear_highlight()},choices_click:function(a){a.preventDefault();this.active_field&&!a.target.hasClass("search-choice")&&!a.target.getParent(".search-choice")&&!this.results_showing&&this.results_show()},choice_build:function(a){var b=
this.container_id+"_c_"+a.array_index;this.choices+=1;a=(new Element("li",{id:b})).addClass("search-choice").set("html","<span>"+a.html+'</span><a href="#" class="search-choice-close" rel="'+a.array_index+'"></a>');this.search_container.grab(a,"before");a.getElement("a").addEvent("click",this.choice_destroy_link_click.bind(this))},choice_destroy_link_click:function(a){a.preventDefault();this.is_disabled?a.stop():(this.pending_destroy_click=!0,this.choice_destroy(a.target))},choice_destroy:function(a){this.choices-=
1;this.show_search_field_default();this.is_multiple&&0<this.choices&&1>this.search_field.value.length&&this.results_hide();this.result_deselect(a.get("rel"));a.getParent("li").destroy()},results_reset:function(a){this.form_field.options[0].selected=!0;this.selected_item.getElement("span").set("text",this.default_text);this.show_search_field_default();a.target.destroy();this.form_field.fireEvent("change");this.active_field&&this.results_hide()},result_select:function(a){if(this.result_highlight){var b=
this.result_highlight,d=b.id;this.result_clear_highlight();if(this.is_multiple)this.result_deactivate(b);else{var e=this.search_results.getElement(".result-selected");e&&e.removeClass("result-selected");this.result_single_selected=b}b.addClass("result-selected");b=this.results_data[d.substr(d.lastIndexOf("_")+1)];b.selected=!0;this.form_field.options[b.options_index].selected=!0;this.is_multiple?this.choice_build(b):(this.selected_item.getElement("span").set("text",b.text),this.options.allow_single_deselect&&
this.single_deselect_control_build());(!this.is_multiple||!a.control)&&this.results_hide();this.search_field.set("value","");this.form_field.fireEvent("change");this.search_field_scale()}},result_activate:function(a){a.addClass("active-result")},result_deactivate:function(a){a.removeClass("active-result")},result_deselect:function(a){var b=this.results_data[a];b.selected=!1;this.form_field.options[b.options_index].selected=!1;document.id(this.container_id+"_o_"+a).removeClass("result-selected").addClass("active-result").setStyle("display",
"block");this.result_clear_highlight();this.winnow_results();this.form_field.fireEvent("change");this.search_field_scale()},single_deselect_control_build:function(){if(this.options.allow_single_deselect&&1>this.selected_item.getElements("abbr").length)return this.selected_item.getElement("span").grab(new Element("abbr",{"class":"search-choice-close"}),"before")},results_search:function(){this.results_showing?this.winnow_results():this.results_show()},winnow_results:function(){this.no_results_clear();
var a=0,b=this.search_field.get("value")===this.default_text?"":(new Element("div",{text:this.search_field.get("value").trim()})).get("html"),d=RegExp("^"+b.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),e=RegExp(b.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i");this.results_data.each(function(c){if(!c.disabled&&!c.empty)if(c.group)document.id(c.dom_id).setStyle("display","none");else if(!this.is_multiple||!c.selected){var h=!1,f=c.dom_id,i=$(f);if(d.test(c.html))h=!0,a+=1;else if(0<=c.html.indexOf(" ")||
0===c.html.indexOf("[")){var g=c.html.replace(/\[|\]/g,"").split(" ");g.length&&g.each(function(b){d.test(b)&&(h=!0,a+=1)})}h?(b.length?(g=c.html.search(e),f=c.html.substr(0,g+b.length)+"</em>"+c.html.substr(g+b.length),f=f.substr(0,g)+"<em>"+f.substr(g)):f=c.html,i.set("html",f),this.result_activate(i),null!=c.group_array_index&&document.id(this.results_data[c.group_array_index].dom_id).setStyle("display","list-item")):(this.result_highlight&&f===this.result_highlight.id&&this.result_clear_highlight(),
this.result_deactivate(i))}},this);1>a&&b.length?this.no_results(b):this.winnow_results_set_highlight()},winnow_results_clear:function(){this.search_field.set("value","");this.search_results.getElements("li").each(function(a){a.hasClass("group-result")?a.setStyle("display","block"):(!this.is_multiple||!a.hasClass("result-selected"))&&this.result_activate(a)},this)},winnow_results_set_highlight:function(){if(!this.result_highlight){var a=!this.is_multiple?this.search_results.getElements(".result-selected"):
[],a=a.length?a[0]:this.search_results.getElement(".active-result");null!=a&&this.result_do_highlight(a)}},no_results:function(a){var b=(new Element("li",{"class":"no-results"})).set("html",Locale.get("Chosen.noResults")+' "<span></span>"');b.getElement("span").set("html",a);this.search_results.grab(b)},no_results_clear:function(){this.search_results.getElements(".no-results").destroy()},keydown_arrow:function(){if(this.result_highlight){if(this.results_showing){var a=this.result_highlight.getNext("li.active-result");
a&&this.result_do_highlight(a)}}else(a=this.search_results.getElement("li.active-result"))&&this.result_do_highlight(a);this.results_showing||this.results_show()},keyup_arrow:function(){if(!this.results_showing&&!this.is_multiple)this.results_show();else if(this.result_highlight){var a=this.result_highlight.getPrevious("li.active-result");a?this.result_do_highlight(a):(0<this.choices&&this.results_hide(),this.result_clear_highlight())}},keydown_backstroke:function(){this.pending_backstroke?(this.choice_destroy(this.pending_backstroke.getElement("a")),
this.clear_backstroke()):(this.pending_backstroke=this.search_choices.getLast("li.search-choice"),this.pending_backstroke.addClass("search-choice-focus"))},clear_backstroke:function(){this.pending_backstroke&&this.pending_backstroke.removeClass("search-choice-focus");this.pending_backstroke=null},keyup_checker:function(a){this.search_field_scale();switch(a.key){case "backspace":this.is_multiple&&1>this.backstroke_length&&0<this.choices?this.keydown_backstroke():this.pending_backstroke||(this.result_clear_highlight(),
this.results_search());break;case "enter":a.preventDefault();this.results_showing&&this.result_select(a);break;case "esc":this.results_showing&&this.results_hide();break;case "tab":case "up":case "down":case "shift":case "ctrl":break;default:this.results_search()}},keydown_checker:function(a){this.search_field_scale();"backspace"!==a.key&&this.pending_backstroke&&this.clear_backstroke();switch(a.key){case "backspace":this.backstroke_length=this.search_field.value.length;break;case "tab":this.results_showing&&
!this.is_multiple&&this.result_select(a);this.mouse_on_container=!1;break;case "enter":a.preventDefault();break;case "up":a.preventDefault();this.keyup_arrow();break;case "down":this.keydown_arrow()}},search_field_scale:function(){if(this.is_multiple){var a=0,a={position:"absolute",left:"-1000px",top:"-1000px",display:"none"},b=this.search_field.getStyles("font-size","font-style","font-weight","font-family","line-height","text-transform","letter-spacing");Object.merge(a,b);b=new Element("div",{styles:a});
b.set("text",this.search_field.get("value"));$(document.body).grab(b);a=b.getDimensions().width+25;b.destroy();a>this.f_width-10&&(a=this.f_width-10);this.search_field.setStyle("width",a);this.dropdown.setStyle("top",this.container.getCoordinates().height)}}});
Element.implement({get_side_border_padding:function(){var a=this.getStyles("padding-left","padding-right","border-left-width","border-right-width"),a=Object.filter(a,function(a){return"string"==typeof a}),a=Object.map(a,function(a){return a.toInt()}),a=Object.values(a),b=0,d=a.length;if(d)for(;d--;)b+=a[d];return b},select_to_array:function(){var a=new SelectParser;this.getChildren().each(function(b){a.add_node(b)});return a.parsed}});
var SelectParser=new Class({options_index:0,parsed:[],add_node:function(a){"OPTGROUP"===a.nodeName.toUpperCase()?this.add_group(a):this.add_option(a)},add_group:function(a){var b=this.parsed.length;this.parsed.push({array_index:b,group:!0,label:a.label,children:0,disabled:a.disabled});a.getChildren().each(function(d){this.add_option(d,b,a.disabled)},this)},add_option:function(a,b,d){"OPTION"===a.nodeName.toUpperCase()&&(""!==a.text?(null!=b&&(this.parsed[b].children+=1),this.parsed.push({array_index:this.parsed.length,
options_index:this.options_index,value:a.get("value"),text:a.get("text").trim(),html:a.get("html"),selected:a.selected,disabled:!0===d?d:a.disabled,group_array_index:b,classes:a.className,style:a.style.cssText})):this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,empty:!0}),this.options_index+=1)}});