"use strict";
(function(){
var $, AbstractChosen, Chosen, SelectParser,
bind=function(fn, me){ return function(){ return fn.apply(me, arguments); };},
extend=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; },
hasProp={}.hasOwnProperty;
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, i, len, option, ref, results1;
group_position=this.parsed.length;
this.parsed.push({
array_index: group_position,
group: true,
label: group.label,
title: group.title ? group.title:void 0,
children: 0,
disabled: group.disabled,
classes: group.className
});
ref=group.childNodes;
results1=[];
for (i=0, len=ref.length; i < len; i++){
option=ref[i];
results1.push(this.add_option(option, group_position, group.disabled));
}
return results1;
};
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;
}};
return SelectParser;
})();
SelectParser.select_to_array=function(select){
var child, i, len, parser, 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;
};
AbstractChosen=(function(){
function AbstractChosen(form_field, options1){
this.form_field=form_field;
this.options=options1!=null ? options1:{};
this.label_click_handler=bind(this.label_click_handler, this);
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(){
this.click_test_action=(function(_this){
return function(evt){
return _this.test_active_click(evt);
};})(this);
this.activate_action=(function(_this){
return function(evt){
return _this.activate_field(evt);
};})(this);
this.active_field=false;
this.mouse_on_container=false;
this.results_showing=false;
this.result_highlighted=null;
this.is_rtl=this.options.rtl||/\bchosen-rtl\b/.test(this.form_field.className);
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;
this.case_sensitive_search=this.options.case_sensitive_search||false;
return this.hide_results_on_select=this.options.hide_results_on_select!=null ? this.options.hide_results_on_select:true;
};
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.default_text=this.escape_html(this.default_text);
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'>" + (this.escape_html(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){
if(this.is_multiple){
if(!this.active_field){
return setTimeout(((function(_this){
return function(){
return _this.container_mousedown();
};})(this)), 50);
}}else{
if(!this.active_field){
return this.activate_field();
}}
};
AbstractChosen.prototype.input_blur=function(evt){
if(!this.mouse_on_container){
this.active_field=false;
return setTimeout(((function(_this){
return function(){
return _this.blur_test();
};})(this)), 100);
}};
AbstractChosen.prototype.label_click_handler=function(evt){
if(this.is_multiple){
return this.container_mousedown(evt);
}else{
return this.activate_field();
}};
AbstractChosen.prototype.results_option_build=function(options){
var content, data, data_content, i, len, ref, shown_results;
content='';
shown_results=0;
ref=this.results_data;
for (i=0, len=ref.length; i < len; i++){
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++;
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(" ");
if(option.style){
option_el.style.cssText=option.style;
}
option_el.setAttribute("data-option-array-index", option.array_index);
option_el.innerHTML=option.highlighted_html||option.html;
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.highlighted_html||this.escape_html(group.label);
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 i, len, ref, result, results1;
ref=this.results_data;
results1=[];
for (i=0, len=ref.length; i < len; i++){
result=ref[i];
if(result.selected){
results1.push(result.selected=false);
}else{
results1.push(void 0);
}}
return results1;
};
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(options){
var escapedQuery, fix, i, len, option, prefix, query, ref, regex, results, results_group, search_match, startpos, suffix, text;
this.no_results_clear();
results=0;
query=this.get_search_text();
escapedQuery=query.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
regex=this.get_search_regex(escapedQuery);
ref=this.results_data;
for (i=0, len=ref.length; i < len; i++){
option=ref[i];
option.search_match=false;
results_group=null;
search_match=null;
option.highlighted_html='';
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;
}
text=option.group ? option.label:option.text;
if(!(option.group&&!this.group_search)){
search_match=this.search_string_match(text, regex);
option.search_match=search_match!=null;
if(option.search_match&&!option.group){
results +=1;
}
if(option.search_match){
if(query.length){
startpos=search_match.index;
prefix=text.slice(0, startpos);
fix=text.slice(startpos, startpos + query.length);
suffix=text.slice(startpos + query.length);
option.highlighted_html=(this.escape_html(prefix)) + "<em>" + (this.escape_html(fix)) + "</em>" + (this.escape_html(suffix));
}
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&&query.length){
this.update_results_content("");
return this.no_results(query);
}else{
this.update_results_content(this.results_option_build());
if(!(options!=null ? options.skip_highlight:void 0)){
return this.winnow_results_set_highlight();
}}
};
AbstractChosen.prototype.get_search_regex=function(escaped_search_string){
var regex_flag, regex_string;
regex_string=this.search_contains ? escaped_search_string:"(^|\\s|\\b)" + escaped_search_string + "[^\\s]*";
if(!(this.enable_split_word_search||this.search_contains)){
regex_string="^" + regex_string;
}
regex_flag=this.case_sensitive_search ? "":"i";
return new RegExp(regex_string, regex_flag);
};
AbstractChosen.prototype.search_string_match=function(search_string, regex){
var match;
match=regex.exec(search_string);
if(!this.search_contains&&(match!=null ? match[1]:void 0)){
match.index +=1;
}
return match;
};
AbstractChosen.prototype.choices_count=function(){
var i, len, option, 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++){
option=ref[i];
if(option.selected){
this.selected_option_count +=1;
}}
return this.selected_option_count;
};
AbstractChosen.prototype.choices_click=function(evt){
evt.preventDefault();
this.activate_field();
if(!(this.results_showing||this.is_disabled)){
return this.results_show();
}};
AbstractChosen.prototype.keydown_checker=function(evt){
var ref, stroke;
stroke=(ref=evt.which)!=null ? ref:evt.keyCode;
this.search_field_scale();
if(stroke!==8&&this.pending_backstroke){
this.clear_backstroke();
}
switch (stroke){
case 8:
this.backstroke_length=this.get_search_field_value().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 27:
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;
}};
AbstractChosen.prototype.keyup_checker=function(evt){
var ref, stroke;
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){
this.keydown_backstroke();
}else if(!this.pending_backstroke){
this.result_clear_highlight();
this.results_search();
}
break;
case 13:
evt.preventDefault();
if(this.results_showing){
this.result_select(evt);
}
break;
case 27:
if(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();
break;
}};
AbstractChosen.prototype.clipboard_event_checker=function(evt){
if(this.is_disabled){
return;
}
return setTimeout(((function(_this){
return function(){
return _this.results_search();
};})(this)), 50);
};
AbstractChosen.prototype.container_width=function(){
if(this.options.width!=null){
return this.options.width;
}else{
return 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.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>";
};
AbstractChosen.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>";
};
AbstractChosen.prototype.get_no_results_html=function(terms){
return "<li class=\"no-results\">\n  " + this.results_none_found + " <span>" + (this.escape_html(terms)) + "</span>\n</li>";
};
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 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 instanceof Chosen)){
$this.data('chosen', new Chosen(this, options));
}});
}});
Chosen=(function(superClass){
extend(Chosen, superClass);
function Chosen(){
return Chosen.__super__.constructor.apply(this, arguments);
}
Chosen.prototype.setup=function(){
this.form_field_jq=$(this.form_field);
return this.current_selectedIndex=this.form_field.selectedIndex;
};
Chosen.prototype.set_up_html=function(){
var container_classes, container_props;
container_classes=["chosen-container"];
container_classes.push("chosen-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("chosen-rtl");
}
container_props={
'class': container_classes.join(' '),
'title': this.form_field.title
};
if(this.form_field.id.length){
container_props.id=this.form_field.id.replace(/[^\w]/g, '_') + "_chosen";
}
this.container=$("<div />", container_props);
this.container.width(this.container_width());
if(this.is_multiple){
this.container.html(this.get_multi_html());
}else{
this.container.html(this.get_single_html());
}
this.form_field_jq.hide().after(this.container);
this.dropdown=this.container.find('div.chosen-drop').first();
this.search_field=this.container.find('input').first();
this.search_results=this.container.find('ul.chosen-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.chosen-choices').first();
this.search_container=this.container.find('li.search-field').first();
}else{
this.search_container=this.container.find('div.chosen-search').first();
this.selected_item=this.container.find('.chosen-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("chosen:ready", {
chosen: this
});
};
Chosen.prototype.register_observers=function(){
this.container.on('touchstart.chosen', (function(_this){
return function(evt){
_this.container_mousedown(evt);
};})(this));
this.container.on('touchend.chosen', (function(_this){
return function(evt){
_this.container_mouseup(evt);
};})(this));
this.container.on('mousedown.chosen', (function(_this){
return function(evt){
_this.container_mousedown(evt);
};})(this));
this.container.on('mouseup.chosen', (function(_this){
return function(evt){
_this.container_mouseup(evt);
};})(this));
this.container.on('mouseenter.chosen', (function(_this){
return function(evt){
_this.mouse_enter(evt);
};})(this));
this.container.on('mouseleave.chosen', (function(_this){
return function(evt){
_this.mouse_leave(evt);
};})(this));
this.search_results.on('mouseup.chosen', (function(_this){
return function(evt){
_this.search_results_mouseup(evt);
};})(this));
this.search_results.on('mouseover.chosen', (function(_this){
return function(evt){
_this.search_results_mouseover(evt);
};})(this));
this.search_results.on('mouseout.chosen', (function(_this){
return function(evt){
_this.search_results_mouseout(evt);
};})(this));
this.search_results.on('mousewheel.chosen DOMMouseScroll.chosen', (function(_this){
return function(evt){
_this.search_results_mousewheel(evt);
};})(this));
this.search_results.on('touchstart.chosen', (function(_this){
return function(evt){
_this.search_results_touchstart(evt);
};})(this));
this.search_results.on('touchmove.chosen', (function(_this){
return function(evt){
_this.search_results_touchmove(evt);
};})(this));
this.search_results.on('touchend.chosen', (function(_this){
return function(evt){
_this.search_results_touchend(evt);
};})(this));
this.form_field_jq.on("chosen:updated.chosen", (function(_this){
return function(evt){
_this.results_update_field(evt);
};})(this));
this.form_field_jq.on("chosen:activate.chosen", (function(_this){
return function(evt){
_this.activate_field(evt);
};})(this));
this.form_field_jq.on("chosen:open.chosen", (function(_this){
return function(evt){
_this.container_mousedown(evt);
};})(this));
this.form_field_jq.on("chosen:close.chosen", (function(_this){
return function(evt){
_this.close_field(evt);
};})(this));
this.search_field.on('blur.chosen', (function(_this){
return function(evt){
_this.input_blur(evt);
};})(this));
this.search_field.on('keyup.chosen', (function(_this){
return function(evt){
_this.keyup_checker(evt);
};})(this));
this.search_field.on('keydown.chosen', (function(_this){
return function(evt){
_this.keydown_checker(evt);
};})(this));
this.search_field.on('focus.chosen', (function(_this){
return function(evt){
_this.input_focus(evt);
};})(this));
this.search_field.on('cut.chosen', (function(_this){
return function(evt){
_this.clipboard_event_checker(evt);
};})(this));
this.search_field.on('paste.chosen', (function(_this){
return function(evt){
_this.clipboard_event_checker(evt);
};})(this));
if(this.is_multiple){
return this.search_choices.on('click.chosen', (function(_this){
return function(evt){
_this.choices_click(evt);
};})(this));
}else{
return this.container.on('click.chosen', function(evt){
evt.preventDefault();
});
}};
Chosen.prototype.destroy=function(){
$(this.container[0].ownerDocument).off('click.chosen', this.click_test_action);
if(this.form_field_label.length > 0){
this.form_field_label.off('click.chosen');
}
if(this.search_field[0].tabIndex){
this.form_field_jq[0].tabIndex=this.search_field[0].tabIndex;
}
this.container.remove();
this.form_field_jq.removeData('chosen');
return this.form_field_jq.show();
};
Chosen.prototype.search_field_disabled=function(){
this.is_disabled=this.form_field.disabled||this.form_field_jq.parents('fieldset').is(':disabled');
this.container.toggleClass('chosen-disabled', this.is_disabled);
this.search_field[0].disabled=this.is_disabled;
if(!this.is_multiple){
this.selected_item.off('focus.chosen', this.activate_field);
}
if(this.is_disabled){
return this.close_field();
}else if(!this.is_multiple){
return this.selected_item.on('focus.chosen', this.activate_field);
}};
Chosen.prototype.container_mousedown=function(evt){
var ref;
if(this.is_disabled){
return;
}
if(evt&&((ref=evt.type)==='mousedown'||ref==='touchstart')&&!this.results_showing){
evt.preventDefault();
}
if(!((evt!=null)&&($(evt.target)).hasClass("search-choice-close"))){
if(!this.active_field){
if(this.is_multiple){
this.search_field.val("");
}
$(this.container[0].ownerDocument).on('click.chosen', this.click_test_action);
this.results_show();
}else if(!this.is_multiple&&evt&&(($(evt.target)[0]===this.selected_item[0])||$(evt.target).parents("a.chosen-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("chosen-container-active")){
return this.close_field();
}};
Chosen.prototype.close_field=function(){
$(this.container[0].ownerDocument).off("click.chosen", this.click_test_action);
this.active_field=false;
this.results_hide();
this.container.removeClass("chosen-container-active");
this.clear_backstroke();
this.show_search_field_default();
this.search_field_scale();
return this.search_field.blur();
};
Chosen.prototype.activate_field=function(){
if(this.is_disabled){
return;
}
this.container.addClass("chosen-container-active");
this.active_field=true;
this.search_field.val(this.search_field.val());
return this.search_field.focus();
};
Chosen.prototype.test_active_click=function(evt){
var active_container;
active_container=$(evt.target).closest('.chosen-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{
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("chosen-container-single-nosearch");
}else{
this.search_field[0].readOnly=false;
this.container.removeClass("chosen-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("chosen:maxselected", {
chosen: this
});
return false;
}
this.container.addClass("chosen-with-drop");
this.results_showing=true;
this.search_field.focus();
this.search_field.val(this.get_search_field_value());
this.winnow_results();
return this.form_field_jq.trigger("chosen: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("chosen-with-drop");
this.form_field_jq.trigger("chosen: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(){
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=$("label[for='" + this.form_field.id + "']");
}
if(this.form_field_label.length > 0){
return this.form_field_label.on('click.chosen', this.label_click_handler);
}};
Chosen.prototype.show_search_field_default=function(){
if(this.is_multiple&&this.choices_count() < 1&&!this.active_field){
this.search_field.val(this.default_text);
return this.search_field.addClass("default");
}else{
this.search_field.val("");
return this.search_field.removeClass("default");
}};
Chosen.prototype.search_results_mouseup=function(evt){
var target;
target=$(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;
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.on('click.chosen', (function(_this){
return function(evt){
return _this.choice_destroy_link_click(evt);
};})(this));
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"))){
if(this.active_field){
this.search_field.focus();
}else{
this.show_search_field_default();
}
if(this.is_multiple&&this.choices_count() > 0&&this.get_search_field_value().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.trigger_form_field_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 high, item;
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("chosen: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(this.is_multiple&&(!this.hide_results_on_select||(evt.metaKey||evt.ctrlKey))){
if(evt.metaKey||evt.ctrlKey){
this.winnow_results({
skip_highlight: true
});
}else{
this.search_field.val("");
this.winnow_results();
}}else{
this.results_hide();
this.show_search_field_default();
}
if(this.is_multiple||this.form_field.selectedIndex!==this.current_selectedIndex){
this.trigger_form_field_change({
selected: this.form_field.options[item.options_index].value
});
}
this.current_selectedIndex=this.form_field.selectedIndex;
evt.preventDefault();
return this.search_field_scale();
}};
Chosen.prototype.single_set_selected_text=function(text){
if(text==null){
text=this.default_text;
}
if(text===this.default_text){
this.selected_item.addClass("chosen-default");
}else{
this.single_deselect_control_build();
this.selected_item.removeClass("chosen-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.trigger_form_field_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("chosen-single-with-deselect");
};
Chosen.prototype.get_search_field_value=function(){
return this.search_field.val();
};
Chosen.prototype.get_search_text=function(){
return this.get_search_field_value().trim();
};
Chosen.prototype.escape_html=function(text){
return $('<div/>').text(text).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=this.get_no_results_html(terms);
this.search_results.append(no_results_html);
return this.form_field_jq.trigger("chosen: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.search_field_scale=function(){
var div, i, len, style, style_block, styles, width;
if(!this.is_multiple){
return;
}
style_block={
position: 'absolute',
left: '-1000px',
top: '-1000px',
display: 'none',
whiteSpace: 'pre'
};
styles=['fontSize', 'fontStyle', 'fontWeight', 'fontFamily', 'lineHeight', 'textTransform', 'letterSpacing'];
for (i=0, len=styles.length; i < len; i++){
style=styles[i];
style_block[style]=this.search_field.css(style);
}
div=$('<div />').css(style_block);
div.text(this.get_search_field_value());
$('body').append(div);
width=div.width() + 25;
div.remove();
if(this.container.is(':visible')){
width=Math.min(this.container.outerWidth() - 10, width);
}
return this.search_field.width(width);
};
Chosen.prototype.trigger_form_field_change=function(extra){
this.form_field_jq.trigger("input", extra);
return this.form_field_jq.trigger("change", extra);
};
return Chosen;
})(AbstractChosen);
}).call(this);