(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++){
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={
"<": "&lt;",
">": "&gt;",
'"': "&quot;",
"'": "&#x27;",
"`": "&#x60;"
};
unsafe_chars=/&(?!\w+;)|[\<\>\"\'\`]/g;
return text.replace(unsafe_chars, function(chr){
return map[chr]||"&amp;";
});
};
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++){
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_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;
return this.include_group_label_in_selected=this.options.include_group_label_in_selected||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;
}
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, _i, _len, _ref;
content='';
_ref=this.results_data;
for (_i=0, _len=_ref.length; _i < _len; _i++){
data=_ref[_i];
if(data.group){
content +=this.result_add_group(data);
}else{
content +=this.result_add_option(data);
}
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));
}}
}
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++){
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++){
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_anchor=this.search_contains ? "":"^";
return new RegExp(regex_anchor + escaped_search_string, 'i');
};
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++){
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++){
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:
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.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(window.navigator.appName==="Microsoft Internet Explorer"){
return document.documentMode >=8;
}
if(/iP(od|hone)/i.test(window.navigator.userAgent)){
return false;
}
if(/Android/i.test(window.navigator.userAgent)){
if(/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'&&chosen instanceof Chosen){
chosen.destroy();
}else if(!(chosen instanceof 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;
return this.is_rtl=this.form_field_jq.hasClass("chosen-rtl");
};
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(' '),
'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, '_') + "_chosen";
}
this.container=$("<div />", container_props);
if(this.is_multiple){
this.container.html('<ul class="chosen-choices"><li class="search-field"><input type="text" value="' + this.default_text + '" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chosen-drop"><ul class="chosen-results"></ul></div>');
}else{
this.container.html('<a class="chosen-single chosen-default" tabindex="-1"><span>' + this.default_text + '</span><div><b></b></div></a><div class="chosen-drop"><div class="chosen-search"><input type="text" autocomplete="off" /></div><ul class="chosen-results"></ul></div>');
}
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(){
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("chosen:updated.chosen", function(evt){
_this.results_update_field(evt);
});
this.form_field_jq.bind("chosen:activate.chosen", function(evt){
_this.activate_field(evt);
});
this.form_field_jq.bind("chosen:open.chosen", function(evt){
_this.container_mousedown(evt);
});
this.form_field_jq.bind("chosen: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(){
$(this.container[0].ownerDocument).unbind("click.chosen", this.click_test_action);
if(this.search_field[0].tabIndex){
this.form_field_jq[0].tabIndex=this.search_field[0].tabIndex;
}
this.container.remove();
this.form_field_jq.removeData('chosen');
return this.form_field_jq.show();
};
Chosen.prototype.search_field_disabled=function(){
this.is_disabled=this.form_field_jq[0].disabled;
if(this.is_disabled){
this.container.addClass('chosen-disabled');
this.search_field[0].disabled=true;
if(!this.is_multiple){
this.selected_item.unbind("focus.chosen", this.activate_action);
}
return this.close_field();
}else{
this.container.removeClass('chosen-disabled');
this.search_field[0].disabled=false;
if(!this.is_multiple){
return this.selected_item.bind("focus.chosen", this.activate_action);
}}
};
Chosen.prototype.container_mousedown=function(evt){
if(!this.is_disabled){
if(evt&&evt.type==="mousedown"&&!this.results_showing){
evt.preventDefault();
}
if(!((evt!=null)&&($(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.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(){
$(this.container[0].ownerDocument).unbind("click.chosen", this.click_test_action);
this.active_field=false;
this.results_hide();
this.container.removeClass("chosen-container-active");
this.clear_backstroke();
this.show_search_field_default();
return this.search_field_scale();
};
Chosen.prototype.activate_field=function(){
this.container.addClass("chosen-container-active");
this.active_field=true;
this.search_field.val(this.search_field.val());
return this.search_field.focus();
};
Chosen.prototype.test_active_click=function(evt){
var active_container;
active_container=$(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 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("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.search_field.val());
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(){
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 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(!((evt.metaKey||evt.ctrlKey)&&this.is_multiple)){
this.results_hide();
}
this.search_field.val("");
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();
}};
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.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("chosen-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("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.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++){
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);