chosen.proto.min.js

/* Chosen v1.8.7 | (c) 2011-2019 by Harvest | MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md */

(function(){var e,t,s=function(e,t){return function(){return e.apply(t,arguments)}},i=function(e,t){function s(){this.constructor=e}for(var i in t)r.call(t,i)&&(e[i]=t[i]);return s.prototype=t.prototype,e.prototype=new s,e.__super__=t.prototype,e},r={}.hasOwnProperty;(t=function(){function e(){this.options_index=0,this.parsed=[]}return e.prototype.add_node=function(e){return"OPTGROUP"===e.nodeName.toUpperCase()?this.add_group(e):this.add_option(e)},e.prototype.add_group=function(e){var t,s,i,r,n,o;for(t=this.parsed.length,this.parsed.push({array_index:t,group:!0,label:e.label,title:e.title?e.title:void 0,children:0,disabled:e.disabled,classes:e.className}),o=[],s=0,i=(n=e.childNodes).length;s<i;s++)r=n[s],o.push(this.add_option(r,t,e.disabled));return o},e.prototype.add_option=function(e,t,s){if("OPTION"===e.nodeName.toUpperCase())return""!==e.text?(null!=t&&(this.parsed[t].children+=1),this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,value:e.value,text:e.text,html:e.innerHTML,title:e.title?e.title:void 0,selected:e.selected,disabled:!0===s?s:e.disabled,group_array_index:t,group_label:null!=t?this.parsed[t].label:null,classes:e.className,style:e.style.cssText})):this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,empty:!0}),this.options_index+=1},e}()).select_to_array=function(e){var s,i,r,n,o;for(n=new t,i=0,r=(o=e.childNodes).length;i<r;i++)s=o[i],n.add_node(s);return n.parsed},e=function(){function e(t,i){this.form_field=t,this.options=null!=i?i:{},this.label_click_handler=s(this.label_click_handler,this),e.browser_is_supported()&&(this.is_multiple=this.form_field.multiple,this.set_default_text(),this.set_default_values(),this.setup(),this.set_up_html(),this.register_observers(),this.on_ready())}return e.prototype.set_default_values=function(){return this.click_test_action=function(e){return function(t){return e.test_active_click(t)}}(this),this.activate_action=function(e){return function(t){return e.activate_field(t)}}(this),this.active_field=!1,this.mouse_on_container=!1,this.results_showing=!1,this.result_highlighted=null,this.is_rtl=this.options.rtl||/\bchosen-rtl\b/.test(this.form_field.className),this.allow_single_deselect=null!=this.options.allow_single_deselect&&null!=this.form_field.options[0]&&""===this.form_field.options[0].text&&this.options.allow_single_deselect,this.disable_search_threshold=this.options.disable_search_threshold||0,this.disable_search=this.options.disable_search||!1,this.enable_split_word_search=null==this.options.enable_split_word_search||this.options.enable_split_word_search,this.group_search=null==this.options.group_search||this.options.group_search,this.search_contains=this.options.search_contains||!1,this.single_backstroke_delete=null==this.options.single_backstroke_delete||this.options.single_backstroke_delete,this.max_selected_options=this.options.max_selected_options||1/0,this.inherit_select_classes=this.options.inherit_select_classes||!1,this.display_selected_options=null==this.options.display_selected_options||this.options.display_selected_options,this.display_disabled_options=null==this.options.display_disabled_options||this.options.display_disabled_options,this.include_group_label_in_selected=this.options.include_group_label_in_selected||!1,this.max_shown_results=this.options.max_shown_results||Number.POSITIVE_INFINITY,this.case_sensitive_search=this.options.case_sensitive_search||!1,this.hide_results_on_select=null==this.options.hide_results_on_select||this.options.hide_results_on_select},e.prototype.set_default_text=function(){return this.form_field.getAttribute("data-placeholder")?this.default_text=this.form_field.getAttribute("data-placeholder"):this.is_multiple?this.default_text=this.options.placeholder_text_multiple||this.options.placeholder_text||e.default_multiple_text:this.default_text=this.options.placeholder_text_single||this.options.placeholder_text||e.default_single_text,this.default_text=this.escape_html(this.default_text),this.results_none_found=this.form_field.getAttribute("data-no_results_text")||this.options.no_results_text||e.default_no_result_text},e.prototype.choice_label=function(e){return this.include_group_label_in_selected&&null!=e.group_label?"<b class='group-name'>"+this.escape_html(e.group_label)+"</b>"+e.html:e.html},e.prototype.mouse_enter=function(){return this.mouse_on_container=!0},e.prototype.mouse_leave=function(){return this.mouse_on_container=!1},e.prototype.input_focus=function(e){if(this.is_multiple){if(!this.active_field)return setTimeout(function(e){return function(){return e.container_mousedown()}}(this),50)}else if(!this.active_field)return this.activate_field()},e.prototype.input_blur=function(e){if(!this.mouse_on_container)return this.active_field=!1,setTimeout(function(e){return function(){return e.blur_test()}}(this),100)},e.prototype.label_click_handler=function(e){return this.is_multiple?this.container_mousedown(e):this.activate_field()},e.prototype.results_option_build=function(e){var t,s,i,r,n,o,l;for(t="",l=0,r=0,n=(o=this.results_data).length;r<n&&(s=o[r],i="",""!==(i=s.group?this.result_add_group(s):this.result_add_option(s))&&(l++,t+=i),(null!=e?e.first:void 0)&&(s.selected&&this.is_multiple?this.choice_build(s):s.selected&&!this.is_multiple&&this.single_set_selected_text(this.choice_label(s))),!(l>=this.max_shown_results));r++);return t},e.prototype.result_add_option=function(e){var t,s;return e.search_match&&this.include_option_in_results(e)?(t=[],e.disabled||e.selected&&this.is_multiple||t.push("active-result"),!e.disabled||e.selected&&this.is_multiple||t.push("disabled-result"),e.selected&&t.push("result-selected"),null!=e.group_array_index&&t.push("group-option"),""!==e.classes&&t.push(e.classes),s=document.createElement("li"),s.className=t.join(" "),e.style&&(s.style.cssText=e.style),s.setAttribute("data-option-array-index",e.array_index),s.innerHTML=e.highlighted_html||e.html,e.title&&(s.title=e.title),this.outerHTML(s)):""},e.prototype.result_add_group=function(e){var t,s;return(e.search_match||e.group_match)&&e.active_options>0?((t=[]).push("group-result"),e.classes&&t.push(e.classes),s=document.createElement("li"),s.className=t.join(" "),s.innerHTML=e.highlighted_html||this.escape_html(e.label),e.title&&(s.title=e.title),this.outerHTML(s)):""},e.prototype.results_update_field=function(){if(this.set_default_text(),this.is_multiple||this.results_reset_cleanup(),this.result_clear_highlight(),this.results_build(),this.results_showing)return this.winnow_results()},e.prototype.reset_single_select_options=function(){var e,t,s,i,r;for(r=[],e=0,t=(s=this.results_data).length;e<t;e++)(i=s[e]).selected?r.push(i.selected=!1):r.push(void 0);return r},e.prototype.results_toggle=function(){return this.results_showing?this.results_hide():this.results_show()},e.prototype.results_search=function(e){return this.results_showing?this.winnow_results():this.results_show()},e.prototype.winnow_results=function(e){var t,s,i,r,n,o,l,h,c,a,_,u,d,p,f;for(this.no_results_clear(),a=0,t=(l=this.get_search_text()).replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),c=this.get_search_regex(t),i=0,r=(h=this.results_data).length;i<r;i++)(n=h[i]).search_match=!1,_=null,u=null,n.highlighted_html="",this.include_option_in_results(n)&&(n.group&&(n.group_match=!1,n.active_options=0),null!=n.group_array_index&&this.results_data[n.group_array_index]&&(0===(_=this.results_data[n.group_array_index]).active_options&&_.search_match&&(a+=1),_.active_options+=1),f=n.group?n.label:n.text,n.group&&!this.group_search||(u=this.search_string_match(f,c),n.search_match=null!=u,n.search_match&&!n.group&&(a+=1),n.search_match?(l.length&&(d=u.index,o=f.slice(0,d),s=f.slice(d,d+l.length),p=f.slice(d+l.length),n.highlighted_html=this.escape_html(o)+"<em>"+this.escape_html(s)+"</em>"+this.escape_html(p)),null!=_&&(_.group_match=!0)):null!=n.group_array_index&&this.results_data[n.group_array_index].search_match&&(n.search_match=!0)));return this.result_clear_highlight(),a<1&&l.length?(this.update_results_content(""),this.no_results(l)):(this.update_results_content(this.results_option_build()),(null!=e?e.skip_highlight:void 0)?void 0:this.winnow_results_set_highlight())},e.prototype.get_search_regex=function(e){var t,s;return s=this.search_contains?e:"(^|\\s|\\b)"+e+"[^\\s]*",this.enable_split_word_search||this.search_contains||(s="^"+s),t=this.case_sensitive_search?"":"i",new RegExp(s,t)},e.prototype.search_string_match=function(e,t){var s;return s=t.exec(e),!this.search_contains&&(null!=s?s[1]:void 0)&&(s.index+=1),s},e.prototype.choices_count=function(){var e,t,s;if(null!=this.selected_option_count)return this.selected_option_count;for(this.selected_option_count=0,e=0,t=(s=this.form_field.options).length;e<t;e++)s[e].selected&&(this.selected_option_count+=1);return this.selected_option_count},e.prototype.choices_click=function(e){if(e.preventDefault(),this.activate_field(),!this.results_showing&&!this.is_disabled)return this.results_show()},e.prototype.keydown_checker=function(e){var t,s;switch(s=null!=(t=e.which)?t:e.keyCode,this.search_field_scale(),8!==s&&this.pending_backstroke&&this.clear_backstroke(),s){case 8:this.backstroke_length=this.get_search_field_value().length;break;case 9:this.results_showing&&!this.is_multiple&&this.result_select(e),this.mouse_on_container=!1;break;case 13:case 27:this.results_showing&&e.preventDefault();break;case 32:this.disable_search&&e.preventDefault();break;case 38:e.preventDefault(),this.keyup_arrow();break;case 40:e.preventDefault(),this.keydown_arrow()}},e.prototype.keyup_checker=function(e){var t,s;switch(s=null!=(t=e.which)?t:e.keyCode,this.search_field_scale(),s){case 8:this.is_multiple&&this.backstroke_length<1&&this.choices_count()>0?this.keydown_backstroke():this.pending_backstroke||(this.result_clear_highlight(),this.results_search());break;case 13:e.preventDefault(),this.results_showing&&this.result_select(e);break;case 27:this.results_showing&&this.results_hide();break;case 9:case 16:case 17:case 18:case 38:case 40:case 91:break;default:this.results_search()}},e.prototype.clipboard_event_checker=function(e){if(!this.is_disabled)return setTimeout(function(e){return function(){return e.results_search()}}(this),50)},e.prototype.container_width=function(){return null!=this.options.width?this.options.width:this.form_field.offsetWidth+"px"},e.prototype.include_option_in_results=function(e){return!(this.is_multiple&&!this.display_selected_options&&e.selected)&&(!(!this.display_disabled_options&&e.disabled)&&!e.empty)},e.prototype.search_results_touchstart=function(e){return this.touch_started=!0,this.search_results_mouseover(e)},e.prototype.search_results_touchmove=function(e){return this.touch_started=!1,this.search_results_mouseout(e)},e.prototype.search_results_touchend=function(e){if(this.touch_started)return this.search_results_mouseup(e)},e.prototype.outerHTML=function(e){var t;return e.outerHTML?e.outerHTML:((t=document.createElement("div")).appendChild(e),t.innerHTML)},e.prototype.get_single_html=function(){return'<a class="chosen-single chosen-default">\n  <span>'+this.default_text+'</span>\n  <div><b></b></div>\n</a>\n<div class="chosen-drop">\n  <div class="chosen-search">\n    <input class="chosen-search-input" type="text" autocomplete="off" />\n  </div>\n  <ul class="chosen-results"></ul>\n</div>'},e.prototype.get_multi_html=function(){return'<ul class="chosen-choices">\n  <li class="search-field">\n    <input class="chosen-search-input" type="text" autocomplete="off" value="'+this.default_text+'" />\n  </li>\n</ul>\n<div class="chosen-drop">\n  <ul class="chosen-results"></ul>\n</div>'},e.prototype.get_no_results_html=function(e){return'<li class="no-results">\n  '+this.results_none_found+" <span>"+this.escape_html(e)+"</span>\n</li>"},e.browser_is_supported=function(){return"Microsoft Internet Explorer"===window.navigator.appName?document.documentMode>=8:!(/iP(od|hone)/i.test(window.navigator.userAgent)||/IEMobile/i.test(window.navigator.userAgent)||/Windows Phone/i.test(window.navigator.userAgent)||/BlackBerry/i.test(window.navigator.userAgent)||/BB10/i.test(window.navigator.userAgent)||/Android.*Mobile/i.test(window.navigator.userAgent))},e.default_multiple_text="Select Some Options",e.default_single_text="Select an Option",e.default_no_result_text="No results match",e}(),this.Chosen=function(s){function r(){return r.__super__.constructor.apply(this,arguments)}var n;return i(r,e),r.prototype.setup=function(){return this.current_selectedIndex=this.form_field.selectedIndex},r.prototype.set_up_html=function(){var e,t;return(e=["chosen-container"]).push("chosen-container-"+(this.is_multiple?"multi":"single")),this.inherit_select_classes&&this.form_field.className&&e.push(this.form_field.className),this.is_rtl&&e.push("chosen-rtl"),t={class:e.join(" "),title:this.form_field.title},this.form_field.id.length&&(t.id=this.form_field.id.replace(/[^\w]/g,"_")+"_chosen"),this.container=new Element("div",t),this.container.setStyle({width:this.container_width()}),this.is_multiple?this.container.update(this.get_multi_html()):this.container.update(this.get_single_html()),this.form_field.hide().insert({after:this.container}),this.dropdown=this.container.down("div.chosen-drop"),this.search_field=this.container.down("input"),this.search_results=this.container.down("ul.chosen-results"),this.search_field_scale(),this.search_no_results=this.container.down("li.no-results"),this.is_multiple?(this.search_choices=this.container.down("ul.chosen-choices"),this.search_container=this.container.down("li.search-field")):(this.search_container=this.container.down("div.chosen-search"),this.selected_item=this.container.down(".chosen-single")),this.results_build(),this.set_tab_index(),this.set_label_behavior()},r.prototype.on_ready=function(){return this.form_field.fire("chosen:ready",{chosen:this})},r.prototype.register_observers=function(){return this.container.observe("touchstart",function(e){return function(t){return e.container_mousedown(t)}}(this)),this.container.observe("touchend",function(e){return function(t){return e.container_mouseup(t)}}(this)),this.container.observe("mousedown",function(e){return function(t){return e.container_mousedown(t)}}(this)),this.container.observe("mouseup",function(e){return function(t){return e.container_mouseup(t)}}(this)),this.container.observe("mouseenter",function(e){return function(t){return e.mouse_enter(t)}}(this)),this.container.observe("mouseleave",function(e){return function(t){return e.mouse_leave(t)}}(this)),this.search_results.observe("mouseup",function(e){return function(t){return e.search_results_mouseup(t)}}(this)),this.search_results.observe("mouseover",function(e){return function(t){return e.search_results_mouseover(t)}}(this)),this.search_results.observe("mouseout",function(e){return function(t){return e.search_results_mouseout(t)}}(this)),this.search_results.observe("mousewheel",function(e){return function(t){return e.search_results_mousewheel(t)}}(this)),this.search_results.observe("DOMMouseScroll",function(e){return function(t){return e.search_results_mousewheel(t)}}(this)),this.search_results.observe("touchstart",function(e){return function(t){return e.search_results_touchstart(t)}}(this)),this.search_results.observe("touchmove",function(e){return function(t){return e.search_results_touchmove(t)}}(this)),this.search_results.observe("touchend",function(e){return function(t){return e.search_results_touchend(t)}}(this)),this.form_field.observe("chosen:updated",function(e){return function(t){return e.results_update_field(t)}}(this)),this.form_field.observe("chosen:activate",function(e){return function(t){return e.activate_field(t)}}(this)),this.form_field.observe("chosen:open",function(e){return function(t){return e.container_mousedown(t)}}(this)),this.form_field.observe("chosen:close",function(e){return function(t){return e.close_field(t)}}(this)),this.search_field.observe("blur",function(e){return function(t){return e.input_blur(t)}}(this)),this.search_field.observe("keyup",function(e){return function(t){return e.keyup_checker(t)}}(this)),this.search_field.observe("keydown",function(e){return function(t){return e.keydown_checker(t)}}(this)),this.search_field.observe("focus",function(e){return function(t){return e.input_focus(t)}}(this)),this.search_field.observe("cut",function(e){return function(t){return e.clipboard_event_checker(t)}}(this)),this.search_field.observe("paste",function(e){return function(t){return e.clipboard_event_checker(t)}}(this)),this.is_multiple?this.search_choices.observe("click",function(e){return function(t){return e.choices_click(t)}}(this)):this.container.observe("click",function(e){return e.preventDefault()})},r.prototype.destroy=function(){var e,t,s,i;for(this.container.ownerDocument.stopObserving("click",this.click_test_action),t=0,s=(i=["chosen:updated","chosen:activate","chosen:open","chosen:close"]).length;t<s;t++)e=i[t],this.form_field.stopObserving(e);return this.container.stopObserving(),this.search_results.stopObserving(),this.search_field.stopObserving(),null!=this.form_field_label&&this.form_field_label.stopObserving(),this.is_multiple?(this.search_choices.stopObserving(),this.container.select(".search-choice-close").each(function(e){return e.stopObserving()})):this.selected_item.stopObserving(),this.search_field.tabIndex&&(this.form_field.tabIndex=this.search_field.tabIndex),this.container.remove(),this.form_field.show()},r.prototype.search_field_disabled=function(){var e;return this.is_disabled=this.form_field.disabled||(null!=(e=this.form_field.up("fieldset"))?e.disabled:void 0)||!1,this.is_disabled?this.container.addClassName("chosen-disabled"):this.container.removeClassName("chosen-disabled"),this.search_field.disabled=this.is_disabled,this.is_multiple||this.selected_item.stopObserving("focus",this.activate_field),this.is_disabled?this.close_field():this.is_multiple?void 0:this.selected_item.observe("focus",this.activate_field)},r.prototype.container_mousedown=function(e){var t;if(!this.is_disabled)return!e||"mousedown"!==(t=e.type)&&"touchstart"!==t||this.results_showing||e.preventDefault(),null!=e&&e.target.hasClassName("search-choice-close")?void 0:(this.active_field?this.is_multiple||!e||e.target!==this.selected_item&&!e.target.up("a.chosen-single")||this.results_toggle():(this.is_multiple&&this.search_field.clear(),this.container.ownerDocument.observe("click",this.click_test_action),this.results_show()),this.activate_field())},r.prototype.container_mouseup=function(e){if("ABBR"===e.target.nodeName&&!this.is_disabled)return this.results_reset(e)},r.prototype.search_results_mousewheel=function(e){var t;if(null!=(t=e.deltaY||-e.wheelDelta||e.detail))return e.preventDefault(),"DOMMouseScroll"===e.type&&(t*=40),this.search_results.scrollTop=t+this.search_results.scrollTop},r.prototype.blur_test=function(e){if(!this.active_field&&this.container.hasClassName("chosen-container-active"))return this.close_field()},r.prototype.close_field=function(){return this.container.ownerDocument.stopObserving("click",this.click_test_action),this.active_field=!1,this.results_hide(),this.container.removeClassName("chosen-container-active"),this.clear_backstroke(),this.show_search_field_default(),this.search_field_scale(),this.search_field.blur()},r.prototype.activate_field=function(){if(!this.is_disabled)return this.container.addClassName("chosen-container-active"),this.active_field=!0,this.search_field.value=this.get_search_field_value(),this.search_field.focus()},r.prototype.test_active_click=function(e){return e.target.up(".chosen-container")===this.container?this.active_field=!0:this.close_field()},r.prototype.results_build=function(){return this.parsing=!0,this.selected_option_count=null,this.results_data=t.select_to_array(this.form_field),this.is_multiple?this.search_choices.select("li.search-choice").invoke("remove"):(this.single_set_selected_text(),this.disable_search||this.form_field.options.length<=this.disable_search_threshold?(this.search_field.readOnly=!0,this.container.addClassName("chosen-container-single-nosearch")):(this.search_field.readOnly=!1,this.container.removeClassName("chosen-container-single-nosearch"))),this.update_results_content(this.results_option_build({first:!0})),this.search_field_disabled(),this.show_search_field_default(),this.search_field_scale(),this.parsing=!1},r.prototype.result_do_highlight=function(e){var t,s,i,r,n;return this.result_clear_highlight(),this.result_highlight=e,this.result_highlight.addClassName("highlighted"),i=parseInt(this.search_results.getStyle("maxHeight"),10),n=this.search_results.scrollTop,r=i+n,s=this.result_highlight.positionedOffset().top,(t=s+this.result_highlight.getHeight())>=r?this.search_results.scrollTop=t-i>0?t-i:0:s<n?this.search_results.scrollTop=s:void 0},r.prototype.result_clear_highlight=function(){return this.result_highlight&&this.result_highlight.removeClassName("highlighted"),this.result_highlight=null},r.prototype.results_show=function(){return this.is_multiple&&this.max_selected_options<=this.choices_count()?(this.form_field.fire("chosen:maxselected",{chosen:this}),!1):(this.container.addClassName("chosen-with-drop"),this.results_showing=!0,this.search_field.focus(),this.search_field.value=this.get_search_field_value(),this.winnow_results(),this.form_field.fire("chosen:showing_dropdown",{chosen:this}))},r.prototype.update_results_content=function(e){return this.search_results.update(e)},r.prototype.results_hide=function(){return this.results_showing&&(this.result_clear_highlight(),this.container.removeClassName("chosen-with-drop"),this.form_field.fire("chosen:hiding_dropdown",{chosen:this})),this.results_showing=!1},r.prototype.set_tab_index=function(e){var t;if(this.form_field.tabIndex)return t=this.form_field.tabIndex,this.form_field.tabIndex=-1,this.search_field.tabIndex=t},r.prototype.set_label_behavior=function(){if(this.form_field_label=this.form_field.up("label"),null==this.form_field_label&&(this.form_field_label=$$("label[for='"+this.form_field.id+"']").first()),null!=this.form_field_label)return this.form_field_label.observe("click",this.label_click_handler)},r.prototype.show_search_field_default=function(){return this.is_multiple&&this.choices_count()<1&&!this.active_field?(this.search_field.value=this.default_text,this.search_field.addClassName("default")):(this.search_field.value="",this.search_field.removeClassName("default"))},r.prototype.search_results_mouseup=function(e){var t;if(t=e.target.hasClassName("active-result")?e.target:e.target.up(".active-result"))return this.result_highlight=t,this.result_select(e),this.search_field.focus()},r.prototype.search_results_mouseover=function(e){var t;if(t=e.target.hasClassName("active-result")?e.target:e.target.up(".active-result"))return this.result_do_highlight(t)},r.prototype.search_results_mouseout=function(e){if(e.target.hasClassName("active-result")||e.target.up(".active-result"))return this.result_clear_highlight()},r.prototype.choice_build=function(e){var t,s;return t=new Element("li",{class:"search-choice"}).update("<span>"+this.choice_label(e)+"</span>"),e.disabled?t.addClassName("search-choice-disabled"):((s=new Element("a",{href:"#",class:"search-choice-close",rel:e.array_index})).observe("click",function(e){return function(t){return e.choice_destroy_link_click(t)}}(this)),t.insert(s)),this.search_container.insert({before:t})},r.prototype.choice_destroy_link_click=function(e){if(e.preventDefault(),e.stopPropagation(),!this.is_disabled)return this.choice_destroy(e.target)},r.prototype.choice_destroy=function(e){if(this.result_deselect(e.readAttribute("rel")))return this.active_field?this.search_field.focus():this.show_search_field_default(),this.is_multiple&&this.choices_count()>0&&this.get_search_field_value().length<1&&this.results_hide(),e.up("li").remove(),this.search_field_scale()},r.prototype.results_reset=function(){if(this.reset_single_select_options(),this.form_field.options[0].selected=!0,this.single_set_selected_text(),this.show_search_field_default(),this.results_reset_cleanup(),this.trigger_form_field_change(),this.active_field)return this.results_hide()},r.prototype.results_reset_cleanup=function(){var e;if(this.current_selectedIndex=this.form_field.selectedIndex,e=this.selected_item.down("abbr"))return e.remove()},r.prototype.result_select=function(e){var t,s;if(this.result_highlight)return t=this.result_highlight,this.result_clear_highlight(),this.is_multiple&&this.max_selected_options<=this.choices_count()?(this.form_field.fire("chosen:maxselected",{chosen:this}),!1):(this.is_multiple?t.removeClassName("active-result"):this.reset_single_select_options(),t.addClassName("result-selected"),s=this.results_data[t.getAttribute("data-option-array-index")],s.selected=!0,this.form_field.options[s.options_index].selected=!0,this.selected_option_count=null,this.is_multiple?this.choice_build(s):this.single_set_selected_text(this.choice_label(s)),this.is_multiple&&(!this.hide_results_on_select||e.metaKey||e.ctrlKey)?e.metaKey||e.ctrlKey?this.winnow_results({skip_highlight:!0}):(this.search_field.value="",this.winnow_results()):(this.results_hide(),this.show_search_field_default()),(this.is_multiple||this.form_field.selectedIndex!==this.current_selectedIndex)&&this.trigger_form_field_change(),this.current_selectedIndex=this.form_field.selectedIndex,e.preventDefault(),this.search_field_scale())},r.prototype.single_set_selected_text=function(e){return null==e&&(e=this.default_text),e===this.default_text?this.selected_item.addClassName("chosen-default"):(this.single_deselect_control_build(),this.selected_item.removeClassName("chosen-default")),this.selected_item.down("span").update(e)},r.prototype.result_deselect=function(e){var t;return t=this.results_data[e],!this.form_field.options[t.options_index].disabled&&(t.selected=!1,this.form_field.options[t.options_index].selected=!1,this.selected_option_count=null,this.result_clear_highlight(),this.results_showing&&this.winnow_results(),this.trigger_form_field_change(),this.search_field_scale(),!0)},r.prototype.single_deselect_control_build=function(){if(this.allow_single_deselect)return this.selected_item.down("abbr")||this.selected_item.down("span").insert({after:'<abbr class="search-choice-close"></abbr>'}),this.selected_item.addClassName("chosen-single-with-deselect")},r.prototype.get_search_field_value=function(){return this.search_field.value},r.prototype.get_search_text=function(){return this.get_search_field_value().strip()},r.prototype.escape_html=function(e){return e.escapeHTML()},r.prototype.winnow_results_set_highlight=function(){var e;if(this.is_multiple||(e=this.search_results.down(".result-selected.active-result")),null==e&&(e=this.search_results.down(".active-result")),null!=e)return this.result_do_highlight(e)},r.prototype.no_results=function(e){return this.search_results.insert(this.get_no_results_html(e)),this.form_field.fire("chosen:no_results",{chosen:this})},r.prototype.no_results_clear=function(){var e,t;for(e=null,t=[];e=this.search_results.down(".no-results");)t.push(e.remove());return t},r.prototype.keydown_arrow=function(){var e;return this.results_showing&&this.result_highlight?(e=this.result_highlight.next(".active-result"))?this.result_do_highlight(e):void 0:this.results_show()},r.prototype.keyup_arrow=function(){var e,t,s;return this.results_showing||this.is_multiple?this.result_highlight?(s=this.result_highlight.previousSiblings(),e=this.search_results.select("li.active-result"),(t=s.intersect(e)).length?this.result_do_highlight(t.first()):(this.choices_count()>0&&this.results_hide(),this.result_clear_highlight())):void 0:this.results_show()},r.prototype.keydown_backstroke=function(){var e;return this.pending_backstroke?(this.choice_destroy(this.pending_backstroke.down("a")),this.clear_backstroke()):(e=this.search_container.siblings().last())&&e.hasClassName("search-choice")&&!e.hasClassName("search-choice-disabled")?(this.pending_backstroke=e,this.pending_backstroke&&this.pending_backstroke.addClassName("search-choice-focus"),this.single_backstroke_delete?this.keydown_backstroke():this.pending_backstroke.addClassName("search-choice-focus")):void 0},r.prototype.clear_backstroke=function(){return this.pending_backstroke&&this.pending_backstroke.removeClassName("search-choice-focus"),this.pending_backstroke=null},r.prototype.search_field_scale=function(){var e,t,s,i,r,n,o,l;if(this.is_multiple){for(n={position:"absolute",left:"-1000px",top:"-1000px",display:"none",whiteSpace:"pre"},s=0,i=(o=["fontSize","fontStyle","fontWeight","fontFamily","lineHeight","textTransform","letterSpacing"]).length;s<i;s++)n[r=o[s]]=this.search_field.getStyle(r);return(t=new Element("div").update(this.escape_html(this.get_search_field_value()))).setStyle(n),document.body.appendChild(t),l=t.measure("width")+25,t.remove(),(e=this.container.getWidth())&&(l=Math.min(e-10,l)),this.search_field.setStyle({width:l+"px"})}},r.prototype.trigger_form_field_change=function(){return n(this.form_field,"input"),n(this.form_field,"change")},n=function(e,t){var s;if(e.dispatchEvent){try{s=new Event(t,{bubbles:!0,cancelable:!0})}catch(e){(s=document.createEvent("HTMLEvents")).initEvent(t,!0,!0)}return e.dispatchEvent(s)}return e.fireEvent("on"+t,document.createEventObject())},r}()}).call(this);