chosen.jquery.min.js
33.4 KB
(function(){var $,AbstractChosen,Chosen,SelectParser,_ref,__hasProp={}.hasOwnProperty,__extends=function(child,parent){for(var key in parent){if(__hasProp.call(parent,key)){child[key]=parent[key]}}function ctor(){this.constructor=child}ctor.prototype=parent.prototype;child.prototype=new ctor();child.__super__=parent.prototype;return child};SelectParser=(function(){function SelectParser(){this.options_index=0;this.parsed=[]}SelectParser.prototype.add_node=function(child){if(child.nodeName.toUpperCase()==="OPTGROUP"){return this.add_group(child)}else{return 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:true,label:this.escapeExpression(group.label),title:group.title?group.title:void 0,children:0,disabled:group.disabled,classes:group.className});_ref=group.childNodes;_results=[];for(_i=0,_len=_ref.length;_i<_len;_i+=1){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"){if(option.text!==""){if(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,title:option.title?option.title:void 0,selected:option.selected,disabled:group_disabled===true?group_disabled:option.disabled,group_array_index:group_position,group_label:group_position!=null?this.parsed[group_position].label:null,classes:option.className,style:option.style.cssText})}else{this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,empty:true})}return this.options_index+=1}};SelectParser.prototype.escapeExpression=function(text){var map,unsafe_chars;if((text==null)||text===false){return ""}if(!/[\&\<\>\"\'\`]/.test(text)){return text}map={"<":"<",">":">",'"':""","'":"'","`":"`"};unsafe_chars=/&(?!\w+;)|[\<\>\"\'\`]/g;return text.replace(unsafe_chars,function(chr){return map[chr]||"&"})};return 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+=1){child=_ref[_i];parser.add_node(child)}return parser.parsed};AbstractChosen=(function(){function AbstractChosen(form_field,options){this.form_field=form_field;this.options=options!=null?options:{};if(!AbstractChosen.browser_is_supported()){return}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()}AbstractChosen.prototype.set_default_values=function(){var _this=this;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=false;this.mouse_on_container=false;this.results_showing=false;this.result_highlighted=null;this.allow_custom_value=false;this.custom_value_prefix='';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:false;this.disable_search_threshold=this.options.disable_search_threshold||0;this.disable_search=this.options.disable_search||false;this.enable_split_word_search=this.options.enable_split_word_search!=null?this.options.enable_split_word_search:true;this.group_search=this.options.group_search!=null?this.options.group_search:true;this.search_contains=this.options.search_contains||false;this.single_backstroke_delete=this.options.single_backstroke_delete!=null?this.options.single_backstroke_delete:true;this.max_selected_options=this.options.max_selected_options||Infinity;this.inherit_select_classes=this.options.inherit_select_classes||false;this.display_selected_options=this.options.display_selected_options!=null?this.options.display_selected_options:true;this.display_disabled_options=this.options.display_disabled_options!=null?this.options.display_disabled_options:true;this.include_group_label_in_selected=this.options.include_group_label_in_selected||false;this.max_shown_results=this.options.max_shown_results||Number.POSITIVE_INFINITY;return this.case_sensitive_search=this.options.case_sensitive_search||false};AbstractChosen.prototype.set_default_text=function(){if(this.form_field.getAttribute("data-placeholder")){this.default_text=this.form_field.getAttribute("data-placeholder")}else if(this.is_multiple){this.default_text=this.options.placeholder_text_multiple||this.options.placeholder_text||AbstractChosen.default_multiple_text}else{this.default_text=this.options.placeholder_text_single||this.options.placeholder_text||AbstractChosen.default_single_text}this.custom_group_text=this.form_field.getAttribute("data-custom_group_text")||this.options.custom_group_text||"Custom Value";return this.results_none_found=this.form_field.getAttribute("data-no_results_text")||this.options.no_results_text||AbstractChosen.default_no_result_text};AbstractChosen.prototype.choice_label=function(item){if(this.include_group_label_in_selected&&(item.group_label!=null)){return "<b class='group-name'>"+item.group_label+"</b>"+item.html}else{return item.html}};AbstractChosen.prototype.mouse_enter=function(){return this.mouse_on_container=true};AbstractChosen.prototype.mouse_leave=function(){return this.mouse_on_container=false};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){this.active_field=false;return setTimeout((function(){return _this.blur_test()}),100)}};AbstractChosen.prototype.results_option_build=function(options){var content,data,data_content,shown_results,_i,_len,_ref;content='';shown_results=0;_ref=this.results_data;for(_i=0,_len=_ref.length;_i<_len;_i+=1){data=_ref[_i];data_content='';if(data.group){data_content=this.result_add_group(data)}else{data_content=this.result_add_option(data)}if(data_content!==''){shown_results+=1;content+=data_content}if(options!=null?options.first:void 0){if(data.selected&&this.is_multiple){this.choice_build(data)}else if(data.selected&&!this.is_multiple){this.single_set_selected_text(this.choice_label(data))}}if(shown_results>=this.max_shown_results){break}}return content};AbstractChosen.prototype.result_add_option=function(option){var classes,option_el;if(!option.search_match){return ''}if(!this.include_option_in_results(option)){return ''}classes=[];if(!option.disabled&&!(option.selected&&this.is_multiple)){classes.push("active-result")}if(option.disabled&&!(option.selected&&this.is_multiple)){classes.push("disabled-result")}if(option.selected){classes.push("result-selected")}if(option.group_array_index!=null){classes.push("group-option")}if(option.classes!==""){classes.push(option.classes)}option_el=document.createElement("li");option_el.className=classes.join(" ");option_el.style.cssText=option.style;option_el.setAttribute("data-option-array-index",option.array_index);option_el.innerHTML=option.search_text;if(option.title){option_el.title=option.title}return this.outerHTML(option_el)};AbstractChosen.prototype.result_add_group=function(group){var classes,group_el;if(!(group.search_match||group.group_match)){return ''}if(!(group.active_options>0)){return ''}classes=[];classes.push("group-result");if(group.classes){classes.push(group.classes)}group_el=document.createElement("li");group_el.className=classes.join(" ");group_el.innerHTML=group.search_text;if(group.title){group_el.title=group.title}return this.outerHTML(group_el)};AbstractChosen.prototype.results_update_field=function(){this.set_default_text();if(!this.is_multiple){this.results_reset_cleanup()}this.result_clear_highlight();this.results_build();if(this.results_showing){return this.winnow_results()}};AbstractChosen.prototype.reset_single_select_options=function(){var result,_i,_len,_ref,_results;_ref=this.results_data;_results=[];for(_i=0,_len=_ref.length;_i<_len;_i+=1){result=_ref[_i];if(result.selected){_results.push(result.selected=false)}else{_results.push(void 0)}}return _results};AbstractChosen.prototype.results_toggle=function(){if(this.results_showing){return this.results_hide()}else{return this.results_show()}};AbstractChosen.prototype.results_search=function(evt){if(this.results_showing){return this.winnow_results()}else{return this.results_show()}};AbstractChosen.prototype.winnow_results=function(){var escapedSearchText,option,regex,results,results_group,searchText,startpos,text,zregex,_i,_len,_ref;this.no_results_clear();results=0;searchText=this.get_search_text();escapedSearchText=searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&");zregex=new RegExp(escapedSearchText,'i');regex=this.get_search_regex(escapedSearchText);_ref=this.results_data;for(_i=0,_len=_ref.length;_i<_len;_i+=1){option=_ref[_i];option.search_match=false;results_group=null;if(this.include_option_in_results(option)){if(option.group){option.group_match=false;option.active_options=0}if((option.group_array_index!=null)&&this.results_data[option.group_array_index]){results_group=this.results_data[option.group_array_index];if(results_group.active_options===0&&results_group.search_match){results+=1}results_group.active_options+=1}option.search_text=option.group?option.label:option.html;if(!(option.group&&!this.group_search)){option.search_match=this.search_string_match(option.search_text,regex);if(option.search_match&&!option.group){results+=1}if(option.search_match){if(searchText.length){startpos=option.search_text.search(zregex);text=option.search_text.substr(0,startpos+searchText.length)+'</em>'+option.search_text.substr(startpos+searchText.length);option.search_text=text.substr(0,startpos)+'<em>'+text.substr(startpos)}if(results_group!=null){results_group.group_match=true}}else if((option.group_array_index!=null)&&this.results_data[option.group_array_index].search_match){option.search_match=true}}}}this.result_clear_highlight();if(results<1&&searchText.length){this.update_results_content("");return this.no_results(searchText)}else{this.update_results_content(this.results_option_build());return this.winnow_results_set_highlight()}};AbstractChosen.prototype.get_search_regex=function(escaped_search_string){var regex_anchor,regex_flag;regex_anchor=this.search_contains?"":"^";regex_flag=this.case_sensitive_search?"":"i";return new RegExp(regex_anchor+escaped_search_string,regex_flag)};AbstractChosen.prototype.search_string_match=function(search_string,regex){var part,parts,_i,_len;if(regex.test(search_string)){return true}else if(this.enable_split_word_search&&(search_string.indexOf(" ")>=0||search_string.indexOf("[")===0)){parts=search_string.replace(/\[|\]/g,"").split(" ");if(parts.length){for(_i=0,_len=parts.length;_i<_len;_i+=1){part=parts[_i];if(regex.test(part)){return true}}}}};AbstractChosen.prototype.choices_count=function(){var option,_i,_len,_ref;if(this.selected_option_count!=null){return this.selected_option_count}this.selected_option_count=0;_ref=this.form_field.options;for(_i=0,_len=_ref.length;_i<_len;_i+=1){option=_ref[_i];if(option.selected){this.selected_option_count+=1}}return this.selected_option_count};AbstractChosen.prototype.choices_click=function(evt){evt.preventDefault();if(!(this.results_showing||this.is_disabled)){return 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_count()>0){return this.keydown_backstroke()}else if(!this.pending_backstroke){this.result_clear_highlight();return this.results_search()}break;case 13:evt.preventDefault();if(this.results_showing){return this.result_select(evt)}break;case 27:if(this.results_showing){this.results_hide()}return true;case 9:case 38:case 40:case 16:case 91:case 17:case 18:break;default:return this.results_search()}};AbstractChosen.prototype.clipboard_event_checker=function(evt){var _this=this;return setTimeout((function(){return _this.results_search()}),50)};AbstractChosen.prototype.container_width=function(){if(this.options.width!=null){return this.options.width}else{return this.form_field_jq.css("width")||""+this.form_field.offsetWidth+"px";}};AbstractChosen.prototype.include_option_in_results=function(option){if(this.is_multiple&&(!this.display_selected_options&&option.selected)){return false}if(!this.display_disabled_options&&option.disabled){return false}if(option.empty){return false}return true};AbstractChosen.prototype.search_results_touchstart=function(evt){this.touch_started=true;return this.search_results_mouseover(evt)};AbstractChosen.prototype.search_results_touchmove=function(evt){this.touch_started=false;return this.search_results_mouseout(evt)};AbstractChosen.prototype.search_results_touchend=function(evt){if(this.touch_started){return this.search_results_mouseup(evt)}};AbstractChosen.prototype.outerHTML=function(element){var tmp;if(element.outerHTML){return element.outerHTML}tmp=document.createElement("div");tmp.appendChild(element);return tmp.innerHTML};AbstractChosen.browser_is_supported=function(){if("Microsoft Internet Explorer"===window.navigator.appName){return document.documentMode>=8}if(/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)){return false}return true};AbstractChosen.default_multiple_text="Select Some Options";AbstractChosen.default_single_text="Select an Option";AbstractChosen.default_no_result_text="No results match";return AbstractChosen})();$=jQuery;$.fn.extend({chosen:function(options){if(!AbstractChosen.browser_is_supported()){return this}return this.each(function(input_field){var $this,chosen;$this=$(this);chosen=$this.data('chosen');if(options==='destroy'){if(chosen instanceof Chosen){chosen.destroy()}return}if(!chosen){$this.data('chosen',new Chosen(this,options))}})}});Chosen=(function(_super){__extends(Chosen,_super);function Chosen(){_ref=Chosen.__super__.constructor.apply(this,arguments);return _ref}Chosen.prototype.setup=function(){this.form_field_jq=$(this.form_field);this.current_selectedIndex=this.form_field.selectedIndex;this.allow_custom_value=this.form_field_jq.hasClass("chzn-custom-value")||this.options.allow_custom_value;this.custom_value_prefix=this.form_field_jq.attr("data-custom_value_prefix")||this.custom_value_prefix;return this.is_rtl=this.form_field_jq.hasClass("chzn-rtl")};Chosen.prototype.set_up_html=function(){var container_classes,container_props;container_classes=["chzn-container"];container_classes.push("chzn-container-"+(this.is_multiple?"multi":"single"));if(this.inherit_select_classes&&this.form_field.className){container_classes.push(this.form_field.className)}if(this.is_rtl){container_classes.push("chzn-rtl")}container_props={'class':container_classes.join(' '),'style':"width: "+(this.container_width())+";",'title':this.form_field.title};if(this.form_field.id.length){container_props.id=this.form_field.id.replace(/[^\w]/g,'_')+"_chzn"}this.container=$("<div />",container_props);if(this.is_multiple){this.container.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"><ul class="chzn-results"></ul></div>')}else{this.container.html('<a class="chzn-single chzn-default"><span>'+this.default_text+'</span><div><b></b></div></a><div class="chzn-drop"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>')}this.form_field_jq.hide().after(this.container);this.dropdown=this.container.find('div.chzn-drop').first();this.search_field=this.container.find('input').first();this.search_results=this.container.find('ul.chzn-results').first();this.search_field_scale();this.search_no_results=this.container.find('li.no-results').first();if(this.is_multiple){this.search_choices=this.container.find('ul.chzn-choices').first();this.search_container=this.container.find('li.search-field').first()}else{this.search_container=this.container.find('div.chzn-search').first();this.selected_item=this.container.find('.chzn-single').first()}this.results_build();this.set_tab_index();return this.set_label_behavior()};Chosen.prototype.on_ready=function(){return this.form_field_jq.trigger("liszt:ready",{chosen:this})};Chosen.prototype.register_observers=function(){var _this=this;this.container.bind('touchstart.chosen',function(evt){_this.container_mousedown(evt);return evt.preventDefault()});this.container.bind('touchend.chosen',function(evt){_this.container_mouseup(evt);return evt.preventDefault()});this.container.bind('mousedown.chosen',function(evt){_this.container_mousedown(evt)});this.container.bind('mouseup.chosen',function(evt){_this.container_mouseup(evt)});this.container.bind('mouseenter.chosen',function(evt){_this.mouse_enter(evt)});this.container.bind('mouseleave.chosen',function(evt){_this.mouse_leave(evt)});this.search_results.bind('mouseup.chosen',function(evt){_this.search_results_mouseup(evt)});this.search_results.bind('mouseover.chosen',function(evt){_this.search_results_mouseover(evt)});this.search_results.bind('mouseout.chosen',function(evt){_this.search_results_mouseout(evt)});this.search_results.bind('mousewheel.chosen DOMMouseScroll.chosen',function(evt){_this.search_results_mousewheel(evt)});this.search_results.bind('touchstart.chosen',function(evt){_this.search_results_touchstart(evt)});this.search_results.bind('touchmove.chosen',function(evt){_this.search_results_touchmove(evt)});this.search_results.bind('touchend.chosen',function(evt){_this.search_results_touchend(evt)});this.form_field_jq.bind("liszt:updated.chosen",function(evt){_this.results_update_field(evt)});this.form_field_jq.bind("liszt:activate.chosen",function(evt){_this.activate_field(evt)});this.form_field_jq.bind("liszt:open.chosen",function(evt){_this.container_mousedown(evt)});this.form_field_jq.bind("liszt:close.chosen",function(evt){_this.input_blur(evt)});this.search_field.bind('blur.chosen',function(evt){_this.input_blur(evt)});this.search_field.bind('keyup.chosen',function(evt){_this.keyup_checker(evt)});this.search_field.bind('keydown.chosen',function(evt){_this.keydown_checker(evt)});this.search_field.bind('focus.chosen',function(evt){_this.input_focus(evt)});this.search_field.bind('cut.chosen',function(evt){_this.clipboard_event_checker(evt)});this.search_field.bind('paste.chosen',function(evt){_this.clipboard_event_checker(evt)});if(this.is_multiple){return this.search_choices.bind('click.chosen',function(evt){_this.choices_click(evt)})}else{return this.container.bind('click.chosen',function(evt){evt.preventDefault()})}};Chosen.prototype.destroy=function(){$(this.container[0].ownerDocument).unbind("click.chosen",this.click_test_action);if(this.search_field[0].tabIndex){this.form_field_jq[0].tabIndex=this.search_field[0].tabIndex}this.container.remove();this.form_field_jq.removeData('chosen');return this.form_field_jq.show()};Chosen.prototype.search_field_disabled=function(){this.is_disabled=this.form_field_jq[0].disabled;if(this.is_disabled){this.container.addClass('chzn-disabled');this.search_field[0].disabled=true;if(!this.is_multiple){this.selected_item.unbind("focus.chosen",this.activate_action)}return this.close_field()}else{this.container.removeClass('chzn-disabled');this.search_field[0].disabled=false;if(!this.is_multiple){return this.selected_item.bind("focus.chosen",this.activate_action)}}};Chosen.prototype.container_mousedown=function(evt){if(!this.is_disabled){if(evt&&evt.type==="mousedown"&&!this.results_showing){evt.preventDefault()}if(!((evt!=null)&&($(evt.target)).hasClass("search-choice-close"))){if(!this.active_field){if(this.is_multiple){this.search_field.val("")}$(this.container[0].ownerDocument).bind('click.chosen',this.click_test_action);this.results_show()}else if(!this.is_multiple&&evt&&(($(evt.target)[0]===this.selected_item[0])||$(evt.target).parents("a.chzn-single").length)){evt.preventDefault();this.results_toggle()}return this.activate_field()}}};Chosen.prototype.container_mouseup=function(evt){if(evt.target.nodeName==="ABBR"&&!this.is_disabled){return this.results_reset(evt)}};Chosen.prototype.search_results_mousewheel=function(evt){var delta;if(evt.originalEvent){delta=evt.originalEvent.deltaY|| -evt.originalEvent.wheelDelta||evt.originalEvent.detail}if(delta!=null){evt.preventDefault();if(evt.type==='DOMMouseScroll'){delta=delta*40}return this.search_results.scrollTop(delta+this.search_results.scrollTop())}};Chosen.prototype.blur_test=function(evt){if(!this.active_field&&this.container.hasClass("chzn-container-active")){return this.close_field()}};Chosen.prototype.close_field=function(){$(this.container[0].ownerDocument).unbind("click.chosen",this.click_test_action);this.active_field=false;this.results_hide();this.container.removeClass("chzn-container-active");this.clear_backstroke();this.show_search_field_default();return this.search_field_scale()};Chosen.prototype.activate_field=function(){this.container.addClass("chzn-container-active");this.active_field=true;this.search_field.val(this.search_field.val());return this.search_field.focus()};Chosen.prototype.test_active_click=function(evt){var active_container;active_container=$(evt.target).closest('.chzn-container');if(active_container.length&&this.container[0]===active_container[0]){return this.active_field=true}else{return this.close_field()}};Chosen.prototype.results_build=function(){this.parsing=true;this.selected_option_count=null;this.results_data=SelectParser.select_to_array(this.form_field);if(this.is_multiple){this.search_choices.find("li.search-choice").remove()}else if(!this.is_multiple){this.single_set_selected_text();if(this.disable_search||this.form_field.options.length<=this.disable_search_threshold){this.search_field[0].readOnly=true;this.container.addClass("chzn-container-single-nosearch")}else{this.search_field[0].readOnly=false;this.container.removeClass("chzn-container-single-nosearch")}}this.update_results_content(this.results_option_build({first:true}));this.search_field_disabled();this.show_search_field_default();this.search_field_scale();return this.parsing=false};Chosen.prototype.result_do_highlight=function(el){var high_bottom,high_top,maxHeight,visible_bottom,visible_top;if(el.length){this.result_clear_highlight();this.result_highlight=el;this.result_highlight.addClass("highlighted");maxHeight=parseInt(this.search_results.css("maxHeight"),10);visible_top=this.search_results.scrollTop();visible_bottom=maxHeight+visible_top;high_top=this.result_highlight.position().top+this.search_results.scrollTop();high_bottom=high_top+this.result_highlight.outerHeight();if(high_bottom>=visible_bottom){return this.search_results.scrollTop((high_bottom-maxHeight)>0?high_bottom-maxHeight:0)}else if(high_top<visible_top){return this.search_results.scrollTop(high_top)}}};Chosen.prototype.result_clear_highlight=function(){if(this.result_highlight){this.result_highlight.removeClass("highlighted")}return this.result_highlight=null};Chosen.prototype.results_show=function(){if(this.is_multiple&&this.max_selected_options<=this.choices_count()){this.form_field_jq.trigger("liszt:maxselected",{chosen:this});return false}this.container.addClass("chzn-with-drop");this.results_showing=true;this.search_field.focus();this.search_field.val(this.search_field.val());this.winnow_results();return this.form_field_jq.trigger("liszt:showing_dropdown",{chosen:this})};Chosen.prototype.update_results_content=function(content){return this.search_results.html(content)};Chosen.prototype.results_hide=function(){if(this.results_showing){this.result_clear_highlight();this.container.removeClass("chzn-with-drop");this.form_field_jq.trigger("liszt:hiding_dropdown",{chosen:this})}return this.results_showing=false};Chosen.prototype.set_tab_index=function(el){var ti;if(this.form_field.tabIndex){ti=this.form_field.tabIndex;this.form_field.tabIndex=-1;return this.search_field[0].tabIndex=ti}};Chosen.prototype.set_label_behavior=function(){var _this=this;this.form_field_label=this.form_field_jq.parents("label");if(!this.form_field_label.length&&this.form_field.id.length){this.form_field_label=$("label[for='"+this.form_field.id+"']")}if(this.form_field_label.length>0){return this.form_field_label.bind('click.chosen',function(evt){if(_this.is_multiple){return _this.container_mousedown(evt)}else{return _this.activate_field()}})}};Chosen.prototype.show_search_field_default=function(){if(this.is_multiple&&this.choices_count()<1&&!this.active_field){this.search_field.val(this.default_text);return this.search_field.addClass("default")}else{this.search_field.val("");return this.search_field.removeClass("default")}};Chosen.prototype.search_results_mouseup=function(evt){var target;target=$(evt.target).hasClass("active-result")?$(evt.target):$(evt.target).parents(".active-result").first();if(target.length){this.result_highlight=target;this.result_select(evt);return this.search_field.focus()}};Chosen.prototype.search_results_mouseover=function(evt){var target;target=$(evt.target).hasClass("active-result")?$(evt.target):$(evt.target).parents(".active-result").first();if(target){return this.result_do_highlight(target)}};Chosen.prototype.search_results_mouseout=function(evt){if($(evt.target).hasClass("active-result"||$(evt.target).parents('.active-result').first())){return this.result_clear_highlight()}};Chosen.prototype.choice_build=function(item){var choice,close_link,_this=this;choice=$('<li />',{"class":"search-choice"}).html("<span>"+(this.choice_label(item))+"</span>");if(item.disabled){choice.addClass('search-choice-disabled')}else{close_link=$('<a />',{"class":'search-choice-close','data-option-array-index':item.array_index});close_link.bind('click.chosen',function(evt){return _this.choice_destroy_link_click(evt)});choice.append(close_link)}return this.search_container.before(choice)};Chosen.prototype.choice_destroy_link_click=function(evt){evt.preventDefault();evt.stopPropagation();if(!this.is_disabled){return this.choice_destroy($(evt.target))}};Chosen.prototype.choice_destroy=function(link){if(this.result_deselect(link[0].getAttribute("data-option-array-index"))){this.show_search_field_default();if(this.is_multiple&&this.choices_count()>0&&this.search_field.val().length<1){this.results_hide()}link.parents('li').first().remove();return this.search_field_scale()}};Chosen.prototype.results_reset=function(){this.reset_single_select_options();this.form_field.options[0].selected=true;this.single_set_selected_text();this.show_search_field_default();this.results_reset_cleanup();this.form_field_jq.trigger("change");if(this.active_field){return this.results_hide()}};Chosen.prototype.results_reset_cleanup=function(){this.current_selectedIndex=this.form_field.selectedIndex;return this.selected_item.find("abbr").remove()};Chosen.prototype.result_select=function(evt){var group,high,high_id,item,option,position,value;if(this.result_highlight){high=this.result_highlight;this.result_clear_highlight();if(this.is_multiple&&this.max_selected_options<=this.choices_count()){this.form_field_jq.trigger("liszt:maxselected",{chosen:this});return false}if(this.is_multiple){high.removeClass("active-result")}else{this.reset_single_select_options()}high.addClass("result-selected");item=this.results_data[high[0].getAttribute("data-option-array-index")];item.selected=true;this.form_field.options[item.options_index].selected=true;this.selected_option_count=null;if(this.is_multiple){this.choice_build(item)}else{this.single_set_selected_text(this.choice_label(item))}if(!((evt.metaKey||evt.ctrlKey)&&this.is_multiple)){this.results_hide()}this.show_search_field_default();if(this.is_multiple||this.form_field.selectedIndex!==this.current_selectedIndex){this.form_field_jq.trigger("change",{'selected':this.form_field.options[item.options_index].value})}this.current_selectedIndex=this.form_field.selectedIndex;evt.preventDefault();return this.search_field_scale()}else if((!this.is_multiple)&&this.allow_custom_value){value=this.search_field.val();group=this.add_unique_custom_group();option=$('<option value="'+this.custom_value_prefix+value+'">'+value+'</option>');group.append(option);this.form_field_jq.append(group);this.form_field.options[this.form_field.options.length-1].selected=true;if(!evt.metaKey){this.results_hide()}return this.results_build()}};Chosen.prototype.find_custom_group=function(){var found,group,_i,_len,_ref;_ref=$('optgroup',this.form_field);for(_i=0,_len=_ref.length;_i<_len;_i+=1){group=_ref[_i];if(group.getAttribute('label')===this.custom_group_text){found=group}}return found};Chosen.prototype.add_unique_custom_group=function(){var group;group=this.find_custom_group();if(!group){group=$('<optgroup label="'+this.custom_group_text+'"></optgroup>')}return $(group)};Chosen.prototype.single_set_selected_text=function(text){if(text==null){text=this.default_text}if(text===this.default_text){this.selected_item.addClass("chzn-default")}else{this.single_deselect_control_build();this.selected_item.removeClass("chzn-default")}return this.selected_item.find("span").html(text)};Chosen.prototype.result_deselect=function(pos){var result_data;result_data=this.results_data[pos];if(!this.form_field.options[result_data.options_index].disabled){result_data.selected=false;this.form_field.options[result_data.options_index].selected=false;this.selected_option_count=null;this.result_clear_highlight();if(this.results_showing){this.winnow_results()}this.form_field_jq.trigger("change",{deselected:this.form_field.options[result_data.options_index].value});this.search_field_scale();return true}else{return false}};Chosen.prototype.single_deselect_control_build=function(){if(!this.allow_single_deselect){return}if(!this.selected_item.find("abbr").length){this.selected_item.find("span").first().after("<abbr class=\"search-choice-close\"></abbr>")}return this.selected_item.addClass("chzn-single-with-deselect")};Chosen.prototype.get_search_text=function(){return $('<div/>').text($.trim(this.search_field.val())).html()};Chosen.prototype.winnow_results_set_highlight=function(){var do_high,selected_results;selected_results=!this.is_multiple?this.search_results.find(".result-selected.active-result"):[];do_high=selected_results.length?selected_results.first():this.search_results.find(".active-result").first();if(do_high!=null){return this.result_do_highlight(do_high)}};Chosen.prototype.no_results=function(terms){var no_results_html;no_results_html=$('<li class="no-results">'+this.results_none_found+' "<span></span>"</li>');no_results_html.find("span").first().html(terms);this.search_results.append(no_results_html);return this.form_field_jq.trigger("liszt:no_results",{chosen:this})};Chosen.prototype.no_results_clear=function(){return this.search_results.find(".no-results").remove()};Chosen.prototype.keydown_arrow=function(){var next_sib;if(this.results_showing&&this.result_highlight){next_sib=this.result_highlight.nextAll("li.active-result").first();if(next_sib){return this.result_do_highlight(next_sib)}}else{return this.results_show()}};Chosen.prototype.keyup_arrow=function(){var prev_sibs;if(!this.results_showing&&!this.is_multiple){return this.results_show()}else if(this.result_highlight){prev_sibs=this.result_highlight.prevAll("li.active-result");if(prev_sibs.length){return this.result_do_highlight(prev_sibs.first())}else{if(this.choices_count()>0){this.results_hide()}return this.result_clear_highlight()}}};Chosen.prototype.keydown_backstroke=function(){var next_available_destroy;if(this.pending_backstroke){this.choice_destroy(this.pending_backstroke.find("a").first());return this.clear_backstroke()}else{next_available_destroy=this.search_container.siblings("li.search-choice").last();if(next_available_destroy.length&&!next_available_destroy.hasClass("search-choice-disabled")){this.pending_backstroke=next_available_destroy;if(this.single_backstroke_delete){return this.keydown_backstroke()}else{return this.pending_backstroke.addClass("search-choice-focus")}}}};Chosen.prototype.clear_backstroke=function(){if(this.pending_backstroke){this.pending_backstroke.removeClass("search-choice-focus")}return this.pending_backstroke=null};Chosen.prototype.keydown_checker=function(evt){var stroke,_ref1;stroke=(_ref1=evt.which)!=null?_ref1:evt.keyCode;this.search_field_scale();if(stroke!==8&&this.pending_backstroke){this.clear_backstroke()}switch(stroke){case 8:this.backstroke_length=this.search_field.val().length;break;case 9:if(this.results_showing&&!this.is_multiple){this.result_select(evt)}this.mouse_on_container=false;break;case 13:if(this.results_showing){evt.preventDefault()}break;case 32:if(this.disable_search){evt.preventDefault()}break;case 38:evt.preventDefault();this.keyup_arrow();break;case 40:evt.preventDefault();this.keydown_arrow();break}};Chosen.prototype.search_field_scale=function(){var div,f_width,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+=1){style=styles[_i];style_block+=style+":"+this.search_field.css(style)+";"}div=$('<div />',{'style':style_block});div.text(this.search_field.val());$('body').append(div);w=div.width()+25;div.remove();f_width=this.container.outerWidth();if(w>f_width-10){w=f_width-10}return this.search_field.css({'width':w+'px'})}};return Chosen})(AbstractChosen)}).call(this);