egroupware/phpgwapi/js/jquery/chosen/chosen.proto.min.js

// Chosen, a Select Box Enhancer for jQuery and Protoype
// by Patrick Filler for Harvest, http://getharvest.com
// 
// Version 0.9.8
// Full source at https://github.com/harvesthq/chosen
// Copyright (c) 2011 Harvest http://getharvest.com

// MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
// This file is generated by `cake build`, do not edit it by hand.
(function(){var SelectParser;SelectParser=function(){function SelectParser(){this.options_index=0,this.parsed=[]}return SelectParser.prototype.add_node=function(child){return child.nodeName.toUpperCase()==="OPTGROUP"?this.add_group(child):this.add_option(child)},SelectParser.prototype.add_group=function(group){var group_position,option,_i,_len,_ref,_results;group_position=this.parsed.length,this.parsed.push({array_index:group_position,group:!0,label:group.label,children:0,disabled:group.disabled}),_ref=group.childNodes,_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++)option=_ref[_i],_results.push(this.add_option(option,group_position,group.disabled));return _results},SelectParser.prototype.add_option=function(option,group_position,group_disabled){if(option.nodeName.toUpperCase()==="OPTION")return option.text!==""?(group_position!=null&&(this.parsed[group_position].children+=1),this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,value:option.value,text:option.text,html:option.innerHTML,selected:option.selected,disabled:group_disabled===!0?group_disabled:option.disabled,group_array_index:group_position,classes:option.className,style:option.style.cssText})):this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,empty:!0}),this.options_index+=1},SelectParser}(),SelectParser.select_to_array=function(select){var child,parser,_i,_len,_ref;parser=new SelectParser,_ref=select.childNodes;for(_i=0,_len=_ref.length;_i<_len;_i++)child=_ref[_i],parser.add_node(child);return parser.parsed},this.SelectParser=SelectParser}).call(this),function(){var AbstractChosen,root;root=this,AbstractChosen=function(){function AbstractChosen(form_field,options){this.form_field=form_field,this.options=options!=null?options:{},this.set_default_values(),this.is_multiple=this.form_field.multiple,this.set_default_text(),this.setup(),this.set_up_html(),this.register_observers(),this.finish_setup()}return AbstractChosen.prototype.set_default_values=function(){var _this=this;return this.click_test_action=function(evt){return _this.test_active_click(evt)},this.activate_action=function(evt){return _this.activate_field(evt)},this.active_field=!1,this.mouse_on_container=!1,this.results_showing=!1,this.result_highlighted=null,this.result_single_selected=null,this.allow_single_deselect=this.options.allow_single_deselect!=null&&this.form_field.options[0]!=null&&this.form_field.options[0].text===""?this.options.allow_single_deselect:!1,this.disable_search_threshold=this.options.disable_search_threshold||0,this.disable_search=this.options.disable_search||!1,this.search_contains=this.options.search_contains||!1,this.choices=0,this.single_backstroke_delete=this.options.single_backstroke_delete||!1,this.max_selected_options=this.options.max_selected_options||Infinity},AbstractChosen.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||"Select Some Options":this.default_text=this.options.placeholder_text_single||this.options.placeholder_text||"Select an Option",this.results_none_found=this.form_field.getAttribute("data-no_results_text")||this.options.no_results_text||"No results match"},AbstractChosen.prototype.mouse_enter=function(){return this.mouse_on_container=!0},AbstractChosen.prototype.mouse_leave=function(){return this.mouse_on_container=!1},AbstractChosen.prototype.input_focus=function(evt){var _this=this;if(this.is_multiple){if(!this.active_field)return setTimeout(function(){return _this.container_mousedown()},50)}else if(!this.active_field)return this.activate_field()},AbstractChosen.prototype.input_blur=function(evt){var _this=this;if(!this.mouse_on_container)return this.active_field=!1,setTimeout(function(){return _this.blur_test()},100)},AbstractChosen.prototype.result_add_option=function(option){var classes,style;return option.disabled?"":(option.dom_id=this.container_id+"_o_"+option.array_index,classes=option.selected&&this.is_multiple?[]:["active-result"],option.selected&&classes.push("result-selected"),option.group_array_index!=null&&classes.push("group-option"),option.classes!==""&&classes.push(option.classes),style=option.style.cssText!==""?' style="'+option.style+'"':"",'<li id="'+option.dom_id+'" class="'+classes.join(" ")+'"'+style+">"+option.html+"</li>")},AbstractChosen.prototype.results_update_field=function(){return this.is_multiple||this.results_reset_cleanup(),this.result_clear_highlight(),this.result_single_selected=null,this.results_build()},AbstractChosen.prototype.results_toggle=function(){return this.results_showing?this.results_hide():this.results_show()},AbstractChosen.prototype.results_search=function(evt){return this.results_showing?this.winnow_results():this.results_show()},AbstractChosen.prototype.keyup_checker=function(evt){var stroke,_ref;stroke=(_ref=evt.which)!=null?_ref:evt.keyCode,this.search_field_scale();switch(stroke){case 8:if(this.is_multiple&&this.backstroke_length<1&&this.choices>0)return this.keydown_backstroke();if(!this.pending_backstroke)return this.result_clear_highlight(),this.results_search();break;case 13:evt.preventDefault();if(this.results_showing)return this.result_select(evt);break;case 27:return this.results_showing&&this.results_hide(),!0;case 9:case 38:case 40:case 16:case 91:case 17:break;default:return this.results_search()}},AbstractChosen.prototype.generate_field_id=function(){var new_id;return new_id=this.generate_random_id(),this.form_field.id=new_id,new_id},AbstractChosen.prototype.generate_random_char=function(){var chars,newchar,rand;return chars="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ",rand=Math.floor(Math.random()*chars.length),newchar=chars.substring(rand,rand+1)},AbstractChosen}(),root.AbstractChosen=AbstractChosen}.call(this),function(){var Chosen,get_side_border_padding,root,__hasProp=Object.prototype.hasOwnProperty,__extends=function(child,parent){function ctor(){this.constructor=child}for(var key in parent)__hasProp.call(parent,key)&&(child[key]=parent[key]);return ctor.prototype=parent.prototype,child.prototype=new ctor,child.__super__=parent.prototype,child};root=this,Chosen=function(_super){function Chosen(){Chosen.__super__.constructor.apply(this,arguments)}return __extends(Chosen,_super),Chosen.prototype.setup=function(){return this.current_value=this.form_field.value,this.is_rtl=this.form_field.hasClassName("chzn-rtl")},Chosen.prototype.finish_setup=function(){return this.form_field.addClassName("chzn-done")},Chosen.prototype.set_default_values=function(){return Chosen.__super__.set_default_values.call(this),this.single_temp=new Template('<a href="javascript:void(0)" class="chzn-single chzn-default" tabindex="-1"><span>#{default}</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.multi_temp=new Template('<ul class="chzn-choices"><li class="search-field"><input type="text" value="#{default}" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>'),this.choice_temp=new Template('<li class="search-choice" id="#{id}"><span>#{choice}</span><a href="javascript:void(0)" class="search-choice-close" rel="#{position}"></a></li>'),this.choice_noclose_temp=new Template('<li class="search-choice search-choice-disabled" id="#{id}"><span>#{choice}</span></li>'),this.no_results_temp=new Template('<li class="no-results">'+this.results_none_found+' "<span>#{terms}</span>"</li>')},Chosen.prototype.set_up_html=function(){var base_template,container_props,dd_top,dd_width,sf_width;return this.container_id=this.form_field.identify().replace(/[^\w]/g,"_")+"_chzn",this.f_width=this.form_field.getStyle("width")?parseInt(this.form_field.getStyle("width"),10):this.form_field.getWidth(),container_props={id:this.container_id,"class":"chzn-container"+(this.is_rtl?" chzn-rtl":""),style:"width: "+this.f_width+"px"},base_template=this.is_multiple?(new Element("div",container_props)).update(this.multi_temp.evaluate({"default":this.default_text})):(new Element("div",container_props)).update(this.single_temp.evaluate({"default":this.default_text})),this.form_field.hide().insert({after:base_template}),this.container=$(this.container_id),this.container.addClassName("chzn-container-"+(this.is_multiple?"multi":"single")),this.dropdown=this.container.down("div.chzn-drop"),dd_top=this.container.getHeight(),dd_width=this.f_width-get_side_border_padding(this.dropdown),this.dropdown.setStyle({width:dd_width+"px",top:dd_top+"px"}),this.search_field=this.container.down("input"),this.search_results=this.container.down("ul.chzn-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.chzn-choices"),this.search_container=this.container.down("li.search-field")):(this.search_container=this.container.down("div.chzn-search"),this.selected_item=this.container.down(".chzn-single"),sf_width=dd_width-get_side_border_padding(this.search_container)-get_side_border_padding(this.search_field),this.search_field.setStyle({width:sf_width+"px"})),this.results_build(),this.set_tab_index(),this.form_field.fire("liszt:ready",{chosen:this})},Chosen.prototype.register_observers=function(){var _this=this;return this.container.observe("mousedown",function(evt){return _this.container_mousedown(evt)}),this.container.observe("mouseup",function(evt){return _this.container_mouseup(evt)}),this.container.observe("mouseenter",function(evt){return _this.mouse_enter(evt)}),this.container.observe("mouseleave",function(evt){return _this.mouse_leave(evt)}),this.search_results.observe("mouseup",function(evt){return _this.search_results_mouseup(evt)}),this.search_results.observe("mouseover",function(evt){return _this.search_results_mouseover(evt)}),this.search_results.observe("mouseout",function(evt){return _this.search_results_mouseout(evt)}),this.form_field.observe("liszt:updated",function(evt){return _this.results_update_field(evt)}),this.form_field.observe("liszt:activate",function(evt){return _this.activate_field(evt)}),this.form_field.observe("liszt:open",function(evt){return _this.container_mousedown(evt)}),this.search_field.observe("blur",function(evt){return _this.input_blur(evt)}),this.search_field.observe("keyup",function(evt){return _this.keyup_checker(evt)}),this.search_field.observe("keydown",function(evt){return _this.keydown_checker(evt)}),this.search_field.observe("focus",function(evt){return _this.input_focus(evt)}),this.is_multiple?this.search_choices.observe("click",function(evt){return _this.choices_click(evt)}):this.container.observe("click",function(evt){return evt.preventDefault()})},Chosen.prototype.search_field_disabled=function(){this.is_disabled=this.form_field.disabled;if(this.is_disabled)return this.container.addClassName("chzn-disabled"),this.search_field.disabled=!0,this.is_multiple||this.selected_item.stopObserving("focus",this.activate_action),this.close_field();this.container.removeClassName("chzn-disabled"),this.search_field.disabled=!1;if(!this.is_multiple)return this.selected_item.observe("focus",this.activate_action)},Chosen.prototype.container_mousedown=function(evt){var target_closelink;if(!this.is_disabled)return target_closelink=evt!=null?evt.target.hasClassName("search-choice-close"):!1,evt&&evt.type==="mousedown"&&!this.results_showing&&evt.stop(),!this.pending_destroy_click&&!target_closelink?(this.active_field?!this.is_multiple&&evt&&(evt.target===this.selected_item||evt.target.up("a.chzn-single"))&&this.results_toggle():(this.is_multiple&&this.search_field.clear(),document.observe("click",this.click_test_action),this.results_show()),this.activate_field()):this.pending_destroy_click=!1},Chosen.prototype.container_mouseup=function(evt){if(evt.target.nodeName==="ABBR"&&!this.is_disabled)return this.results_reset(evt)},Chosen.prototype.blur_test=function(evt){if(!this.active_field&&this.container.hasClassName("chzn-container-active"))return this.close_field()},Chosen.prototype.close_field=function(){return document.stopObserving("click",this.click_test_action),this.active_field=!1,this.results_hide(),this.container.removeClassName("chzn-container-active"),this.winnow_results_clear(),this.clear_backstroke(),this.show_search_field_default(),this.search_field_scale()},Chosen.prototype.activate_field=function(){return this.container.addClassName("chzn-container-active"),this.active_field=!0,this.search_field.value=this.search_field.value,this.search_field.focus()},Chosen.prototype.test_active_click=function(evt){return evt.target.up("#"+this.container_id)?this.active_field=!0:this.close_field()},Chosen.prototype.results_build=function(){var content,data,_i,_len,_ref;this.parsing=!0,this.results_data=root.SelectParser.select_to_array(this.form_field),this.is_multiple&&this.choices>0?(this.search_choices.select("li.search-choice").invoke("remove"),this.choices=0):this.is_multiple||(this.selected_item.addClassName("chzn-default").down("span").update(this.default_text),this.disable_search||this.form_field.options.length<=this.disable_search_threshold?this.container.addClassName("chzn-container-single-nosearch"):this.container.removeClassName("chzn-container-single-nosearch")),content="",_ref=this.results_data;for(_i=0,_len=_ref.length;_i<_len;_i++)data=_ref[_i],data.group?content+=this.result_add_group(data):data.empty||(content+=this.result_add_option(data),data.selected&&this.is_multiple?this.choice_build(data):data.selected&&!this.is_multiple&&(this.selected_item.removeClassName("chzn-default").down("span").update(data.html),this.allow_single_deselect&&this.single_deselect_control_build()));return this.search_field_disabled(),this.show_search_field_default(),this.search_field_scale(),this.search_results.update(content),this.parsing=!1},Chosen.prototype.result_add_group=function(group){return group.disabled?"":(group.dom_id=this.container_id+"_g_"+group.array_index,'<li id="'+group.dom_id+'" class="group-result">'+group.label.escapeHTML()+"</li>")},Chosen.prototype.result_do_highlight=function(el){var high_bottom,high_top,maxHeight,visible_bottom,visible_top;this.result_clear_highlight(),this.result_highlight=el,this.result_highlight.addClassName("highlighted"),maxHeight=parseInt(this.search_results.getStyle("maxHeight"),10),visible_top=this.search_results.scrollTop,visible_bottom=maxHeight+visible_top,high_top=this.result_highlight.positionedOffset().top,high_bottom=high_top+this.result_highlight.getHeight();if(high_bottom>=visible_bottom)return this.search_results.scrollTop=high_bottom-maxHeight>0?high_bottom-maxHeight:0;if(high_top<visible_top)return this.search_results.scrollTop=high_top},Chosen.prototype.result_clear_highlight=function(){return this.result_highlight&&this.result_highlight.removeClassName("highlighted"),this.result_highlight=null},Chosen.prototype.results_show=function(){var dd_top;if(!this.is_multiple)this.selected_item.addClassName("chzn-single-with-drop"),this.result_single_selected&&this.result_do_highlight(this.result_single_selected);else if(this.max_selected_options<=this.choices)return this.form_field.fire("liszt:maxselected",{chosen:this}),!1;return dd_top=this.is_multiple?this.container.getHeight():this.container.getHeight()-1,this.form_field.fire("liszt:showing_dropdown",{chosen:this}),this.dropdown.setStyle({top:dd_top+"px",left:0}),this.results_showing=!0,this.search_field.focus(),this.search_field.value=this.search_field.value,this.winnow_results()},Chosen.prototype.results_hide=function(){return this.is_multiple||this.selected_item.removeClassName("chzn-single-with-drop"),this.result_clear_highlight(),this.form_field.fire("liszt:hiding_dropdown",{chosen:this}),this.dropdown.setStyle({left:"-9000px"}),this.results_showing=!1},Chosen.prototype.set_tab_index=function(el){var ti;if(this.form_field.tabIndex)return ti=this.form_field.tabIndex,this.form_field.tabIndex=-1,this.search_field.tabIndex=ti},Chosen.prototype.show_search_field_default=function(){return this.is_multiple&&this.choices<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"))},Chosen.prototype.search_results_mouseup=function(evt){var target;target=evt.target.hasClassName("active-result")?evt.target:evt.target.up(".active-result");if(target)return this.result_highlight=target,this.result_select(evt),this.search_field.focus()},Chosen.prototype.search_results_mouseover=function(evt){var target;target=evt.target.hasClassName("active-result")?evt.target:evt.target.up(".active-result");if(target)return this.result_do_highlight(target)},Chosen.prototype.search_results_mouseout=function(evt){if(evt.target.hasClassName("active-result")||evt.target.up(".active-result"))return this.result_clear_highlight()},Chosen.prototype.choices_click=function(evt){evt.preventDefault();if(this.active_field&&!evt.target.hasClassName("search-choice")&&!evt.target.up(".search-choice")&&!this.results_showing)return this.results_show()},Chosen.prototype.choice_build=function(item){var choice_id,link,_this=this;if(this.is_multiple&&this.max_selected_options<=this.choices)return this.form_field.fire("liszt:maxselected",{chosen:this}),!1;choice_id=this.container_id+"_c_"+item.array_index,this.choices+=1,this.search_container.insert({before:(item.disabled?this.choice_noclose_temp:this.choice_temp).evaluate({id:choice_id,choice:item.html,position:item.array_index})});if(!item.disabled)return link=$(choice_id).down("a"),link.observe("click",function(evt){return _this.choice_destroy_link_click(evt)})},Chosen.prototype.choice_destroy_link_click=function(evt){evt.preventDefault();if(!this.is_disabled)return this.pending_destroy_click=!0,this.choice_destroy(evt.target)},Chosen.prototype.choice_destroy=function(link){if(this.result_deselect(link.readAttribute("rel")))return this.choices-=1,this.show_search_field_default(),this.is_multiple&&this.choices>0&&this.search_field.value.length<1&&this.results_hide(),link.up("li").remove()},Chosen.prototype.results_reset=function(){this.form_field.options[0].selected=!0,this.selected_item.down("span").update(this.default_text),this.is_multiple||this.selected_item.addClassName("chzn-default"),this.show_search_field_default(),this.results_reset_cleanup(),typeof Event.simulate=="function"&&this.form_field.simulate("change");if(this.active_field)return this.results_hide()},Chosen.prototype.results_reset_cleanup=function(){var deselect_trigger;this.current_value=this.form_field.value,deselect_trigger=this.selected_item.down("abbr");if(deselect_trigger)return deselect_trigger.remove()},Chosen.prototype.result_select=function(evt){var high,item,position;if(this.result_highlight)return high=this.result_highlight,this.result_clear_highlight(),this.is_multiple?this.result_deactivate(high):(this.search_results.descendants(".result-selected").invoke("removeClassName","result-selected"),this.selected_item.removeClassName("chzn-default"),this.result_single_selected=high),high.addClassName("result-selected"),position=high.id.substr(high.id.lastIndexOf("_")+1),item=this.results_data[position],item.selected=!0,this.form_field.options[item.options_index].selected=!0,this.is_multiple?this.choice_build(item):(this.selected_item.down("span").update(item.html),this.allow_single_deselect&&this.single_deselect_control_build()),(!evt.metaKey||!this.is_multiple)&&this.results_hide(),this.search_field.value="",typeof Event.simulate=="function"&&(this.is_multiple||this.form_field.value!==this.current_value)&&this.form_field.simulate("change"),this.current_value=this.form_field.value,this.search_field_scale()},Chosen.prototype.result_activate=function(el){return el.addClassName("active-result")},Chosen.prototype.result_deactivate=function(el){return el.removeClassName("active-result")},Chosen.prototype.result_deselect=function(pos){var result,result_data;return result_data=this.results_data[pos],this.form_field.options[result_data.options_index].disabled?!1:(result_data.selected=!1,this.form_field.options[result_data.options_index].selected=!1,result=$(this.container_id+"_o_"+pos),result.removeClassName("result-selected").addClassName("active-result").show(),this.result_clear_highlight(),this.winnow_results(),typeof Event.simulate=="function"&&this.form_field.simulate("change"),this.search_field_scale(),!0)},Chosen.prototype.single_deselect_control_build=function(){if(this.allow_single_deselect&&!this.selected_item.down("abbr"))return this.selected_item.down("span").insert({after:'<abbr class="search-choice-close"></abbr>'})},Chosen.prototype.winnow_results=function(){var found,option,part,parts,regex,regexAnchor,result_id,results,searchText,startpos,text,zregex,_i,_j,_len,_len2,_ref;this.no_results_clear(),results=0,searchText=this.search_field.value===this.default_text?"":this.search_field.value.strip().escapeHTML(),regexAnchor=this.search_contains?"":"^",regex=new RegExp(regexAnchor+searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),zregex=new RegExp(searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),_ref=this.results_data;for(_i=0,_len=_ref.length;_i<_len;_i++){option=_ref[_i];if(!option.disabled&&!option.empty)if(option.group)$(option.dom_id).hide();else if(!this.is_multiple||!option.selected){found=!1,result_id=option.dom_id;if(regex.test(option.html))found=!0,results+=1;else if(option.html.indexOf(" ")>=0||option.html.indexOf("[")===0){parts=option.html.replace(/\[|\]/g,"").split(" ");if(parts.length)for(_j=0,_len2=parts.length;_j<_len2;_j++)part=parts[_j],regex.test(part)&&(found=!0,results+=1)}found?(searchText.length?(startpos=option.html.search(zregex),text=option.html.substr(0,startpos+searchText.length)+"</em>"+option.html.substr(startpos+searchText.length),text=text.substr(0,startpos)+"<em>"+text.substr(startpos)):text=option.html,$(result_id).innerHTML!==text&&$(result_id).update(text),this.result_activate($(result_id)),option.group_array_index!=null&&$(this.results_data[option.group_array_index].dom_id).setStyle({display:"list-item"})):($(result_id)===this.result_highlight&&this.result_clear_highlight(),this.result_deactivate($(result_id)))}}return results<1&&searchText.length?this.no_results(searchText):this.winnow_results_set_highlight()},Chosen.prototype.winnow_results_clear=function(){var li,lis,_i,_len,_results;this.search_field.clear(),lis=this.search_results.select("li"),_results=[];for(_i=0,_len=lis.length;_i<_len;_i++)li=lis[_i],li.hasClassName("group-result")?_results.push(li.show()):!this.is_multiple||!li.hasClassName("result-selected")?_results.push(this.result_activate(li)):_results.push(void 0);return _results},Chosen.prototype.winnow_results_set_highlight=function(){var do_high;if(!this.result_highlight){this.is_multiple||(do_high=this.search_results.down(".result-selected.active-result")),do_high==null&&(do_high=this.search_results.down(".active-result"));if(do_high!=null)return this.result_do_highlight(do_high)}},Chosen.prototype.no_results=function(terms){return this.search_results.insert(this.no_results_temp.evaluate({terms:terms}))},Chosen.prototype.no_results_clear=function(){var nr,_results;nr=null,_results=[];while(nr=this.search_results.down(".no-results"))_results.push(nr.remove());return _results},Chosen.prototype.keydown_arrow=function(){var actives,nexts,sibs;actives=this.search_results.select("li.active-result");if(actives.length){this.result_highlight?this.results_showing&&(sibs=this.result_highlight.nextSiblings(),nexts=sibs.intersect(actives),nexts.length&&this.result_do_highlight(nexts.first())):this.result_do_highlight(actives.first());if(!this.results_showing)return this.results_show()}},Chosen.prototype.keyup_arrow=function(){var actives,prevs,sibs;if(!this.results_showing&&!this.is_multiple)return this.results_show();if(this.result_highlight)return sibs=this.result_highlight.previousSiblings(),actives=this.search_results.select("li.active-result"),prevs=sibs.intersect(actives),prevs.length?this.result_do_highlight(prevs.first()):(this.choices>0&&this.results_hide(),this.result_clear_highlight())},Chosen.prototype.keydown_backstroke=function(){var next_available_destroy;if(this.pending_backstroke)return this.choice_destroy(this.pending_backstroke.down("a")),this.clear_backstroke();next_available_destroy=this.search_container.siblings().last();if(next_available_destroy&&next_available_destroy.hasClassName("search-choice")&&!next_available_destroy.hasClassName("search-choice-disabled"))return this.pending_backstroke=next_available_destroy,this.pending_backstroke&&this.pending_backstroke.addClassName("search-choice-focus"),this.single_backstroke_delete?this.keydown_backstroke():this.pending_backstroke.addClassName("search-choice-focus")},Chosen.prototype.clear_backstroke=function(){return this.pending_backstroke&&this.pending_backstroke.removeClassName("search-choice-focus"),this.pending_backstroke=null},Chosen.prototype.keydown_checker=function(evt){var stroke,_ref;stroke=(_ref=evt.which)!=null?_ref:evt.keyCode,this.search_field_scale(),stroke!==8&&this.pending_backstroke&&this.clear_backstroke();switch(stroke){case 8:this.backstroke_length=this.search_field.value.length;break;case 9:this.results_showing&&!this.is_multiple&&this.result_select(evt),this.mouse_on_container=!1;break;case 13:evt.preventDefault();break;case 38:evt.preventDefault(),this.keyup_arrow();break;case 40:this.keydown_arrow()}},Chosen.prototype.search_field_scale=function(){var dd_top,div,h,style,style_block,styles,w,_i,_len;if(this.is_multiple){h=0,w=0,style_block="position:absolute; left: -1000px; top: -1000px; display:none;",styles=["font-size","font-style","font-weight","font-family","line-height","text-transform","letter-spacing"];for(_i=0,_len=styles.length;_i<_len;_i++)style=styles[_i],style_block+=style+":"+this.search_field.getStyle(style)+";";return div=(new Element("div",{style:style_block})).update(this.search_field.value.escapeHTML()),document.body.appendChild(div),w=Element.measure(div,"width")+25,div.remove(),w>this.f_width-10&&(w=this.f_width-10),this.search_field.setStyle({width:w+"px"}),dd_top=this.container.getHeight(),this.dropdown.setStyle({top:dd_top+"px"})}},Chosen}(AbstractChosen),root.Chosen=Chosen,Prototype.Browser.IE&&/MSIE (\d+\.\d+);/.test(navigator.userAgent)&&(Prototype.BrowserFeatures.Version=new Number(RegExp.$1)),get_side_border_padding=function(elmt){var layout,side_border_padding;return layout=new Element.Layout(elmt),side_border_padding=layout.get("border-left")+layout.get("border-right")+layout.get("padding-left")+layout.get("padding-right")},root.get_side_border_padding=get_side_border_padding}.call(this);