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chosen.proto.js
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chosen.proto.js
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/*!
Chosen, a Select Box Enhancer for jQuery and Prototype
by Patrick Filler for Harvest, http://getharvest.com
Version 1.8.5
Full source at https://github.com/harvesthq/chosen
Copyright (c) 2011-2018 Harvest http://getharvest.com
MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
This file is generated by `grunt build`, do not edit it by hand.
*/
(function() {
var AbstractChosen, 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'>" + 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 <input class=\"chosen-focus-input\" type=\"text\" autocomplete=\"off\" />\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 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;
})();
this.Chosen = (function(superClass) {
var triggerHtmlEvent;
extend(Chosen, superClass);
function Chosen() {
return Chosen.__super__.constructor.apply(this, arguments);
}
Chosen.prototype.setup = function() {
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 = new Element('div', container_props);
this.container.setStyle({
width: this.container_width()
});
if (this.is_multiple) {
this.container.update(this.get_multi_html());
} else {
this.container.update(this.get_single_html());
}
this.form_field.hide().insert({
after: this.container
});
this.dropdown = this.container.down('div.chosen-drop');
this.search_field = this.container.down('input.chosen-search-input');
this.focus_field = this.container.down('input.chosen-focus-input');
this.search_results = this.container.down('ul.chosen-results');
this.search_field_scale();
this.search_no_results = this.container.down('li.no-results');
if (this.is_multiple) {
this.search_choices = this.container.down('ul.chosen-choices');
this.search_container = this.container.down('li.search-field');
} else {
this.search_container = this.container.down('div.chosen-search');
this.selected_item = this.container.down('.chosen-single');
}
this.results_build();
this.set_tab_index();
return this.set_label_behavior();
};
Chosen.prototype.on_ready = function() {
return this.form_field.fire("chosen:ready", {
chosen: this
});
};
Chosen.prototype.register_observers = function() {
var transfer_value;
this.container.observe("touchstart", (function(_this) {
return function(evt) {
return _this.container_mousedown(evt);
};
})(this));
this.container.observe("touchend", (function(_this) {
return function(evt) {
return _this.container_mouseup(evt);
};
})(this));
this.container.observe("mousedown", (function(_this) {
return function(evt) {
return _this.container_mousedown(evt);
};
})(this));
this.container.observe("mouseup", (function(_this) {
return function(evt) {
return _this.container_mouseup(evt);
};
})(this));
this.container.observe("mouseenter", (function(_this) {
return function(evt) {
return _this.mouse_enter(evt);
};
})(this));
this.container.observe("mouseleave", (function(_this) {
return function(evt) {
return _this.mouse_leave(evt);
};
})(this));
this.search_results.observe("mouseup", (function(_this) {
return function(evt) {
return _this.search_results_mouseup(evt);
};
})(this));
this.search_results.observe("mouseover", (function(_this) {
return function(evt) {
return _this.search_results_mouseover(evt);
};
})(this));
this.search_results.observe("mouseout", (function(_this) {
return function(evt) {
return _this.search_results_mouseout(evt);
};
})(this));
this.search_results.observe("mousewheel", (function(_this) {
return function(evt) {
return _this.search_results_mousewheel(evt);
};
})(this));
this.search_results.observe("DOMMouseScroll", (function(_this) {
return function(evt) {
return _this.search_results_mousewheel(evt);
};
})(this));
this.search_results.observe("touchstart", (function(_this) {
return function(evt) {
return _this.search_results_touchstart(evt);
};
})(this));
this.search_results.observe("touchmove", (function(_this) {
return function(evt) {
return _this.search_results_touchmove(evt);
};
})(this));
this.search_results.observe("touchend", (function(_this) {
return function(evt) {
return _this.search_results_touchend(evt);
};
})(this));
this.form_field.observe("chosen:updated", (function(_this) {
return function(evt) {
return _this.results_update_field(evt);
};
})(this));
this.form_field.observe("chosen:activate", (function(_this) {
return function(evt) {
return _this.activate_field(evt);
};
})(this));
this.form_field.observe("chosen:open", (function(_this) {
return function(evt) {
return _this.container_mousedown(evt);
};
})(this));
this.form_field.observe("chosen:close", (function(_this) {
return function(evt) {
return _this.close_field(evt);
};
})(this));
this.search_field.observe("blur", (function(_this) {
return function(evt) {
return _this.input_blur(evt);
};
})(this));
this.search_field.observe("keyup", (function(_this) {
return function(evt) {
return _this.keyup_checker(evt);
};
})(this));
this.search_field.observe("keydown", (function(_this) {
return function(evt) {
return _this.keydown_checker(evt);
};
})(this));
this.search_field.observe("focus", (function(_this) {
return function(evt) {
return _this.input_focus(evt);
};
})(this));
this.search_field.observe("cut", (function(_this) {
return function(evt) {
return _this.clipboard_event_checker(evt);
};
})(this));
this.search_field.observe("paste", (function(_this) {
return function(evt) {
return _this.clipboard_event_checker(evt);
};
})(this));
if (this.is_multiple) {
return this.search_choices.observe("click", (function(_this) {
return function(evt) {
return _this.choices_click(evt);
};
})(this));
} else {
this.container.observe("click", (function(_this) {
return function(evt) {
return evt.preventDefault();
};
})(this));
this.focus_field.observe("blur", (function(_this) {
return function(evt) {
return _this.input_blur(evt);
};
})(this));
this.focus_field.observe("focus", (function(_this) {
return function(evt) {
return _this.input_focus(evt);
};
})(this));
transfer_value = (function(_this) {
return function() {
_this.search_field.value = _this.focus_field.value;
return _this.focus_field.value = "";
};
})(this);
this.focus_field.observe("keyup", (function(_this) {
return function(evt) {
transfer_value();
return _this.keyup_checker(evt);
};
})(this));
this.focus_field.observe("keydown", (function(_this) {
return function(evt) {
transfer_value();
return _this.keydown_checker(evt);
};
})(this));
this.focus_field.observe("cut", (function(_this) {
return function(evt) {
setTimeout(transfer_value, 0);
return _this.clipboard_event_checker(evt);
};
})(this));
return this.focus_field.observe("paste", (function(_this) {
return function(evt) {
setTimeout(transfer_value, 0);
return _this.clipboard_event_checker(evt);
};
})(this));
}
};
Chosen.prototype.destroy = function() {
var event, i, len, ref;
this.container.ownerDocument.stopObserving("click", this.click_test_action);
ref = ['chosen:updated', 'chosen:activate', 'chosen:open', 'chosen:close'];
for (i = 0, len = ref.length; i < len; i++) {
event = ref[i];
this.form_field.stopObserving(event);
}
this.container.stopObserving();
this.search_results.stopObserving();
this.search_field.stopObserving();
if (this.form_field_label != null) {
this.form_field_label.stopObserving();
}
if (this.is_multiple) {
this.search_choices.stopObserving();
this.container.select(".search-choice-close").each(function(choice) {
return choice.stopObserving();
});
} else {
this.selected_item.stopObserving();
}
if (this.search_field.tabIndex) {
this.form_field.tabIndex = this.search_field.tabIndex;
}
this.container.remove();
return this.form_field.show();
};
Chosen.prototype.search_field_disabled = function() {
var ref;
this.is_disabled = this.form_field.disabled || ((ref = this.form_field.up('fieldset')) != null ? ref.disabled : void 0) || false;
if (this.is_disabled) {
this.container.addClassName('chosen-disabled');
} else {
this.container.removeClassName('chosen-disabled');
}
this.search_field.disabled = this.is_disabled;
if (!this.is_multiple) {
this.selected_item.stopObserving('focus', this.activate_field);
}
if (this.is_disabled) {
return this.close_field();
} else if (!this.is_multiple) {
return this.selected_item.observe('focus', 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.hasClassName("search-choice-close"))) {
if (!this.active_field) {
if (this.is_multiple) {
this.search_field.clear();
}
this.container.ownerDocument.observe("click", this.click_test_action);
this.results_show();
} else if (!this.is_multiple && evt && (evt.target === this.selected_item || evt.target.up("a.chosen-single"))) {
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;
delta = evt.deltaY || -evt.wheelDelta || evt.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.hasClassName("chosen-container-active")) {
return this.close_field();
}
};
Chosen.prototype.close_field = function() {
this.container.ownerDocument.stopObserving("click", this.click_test_action);
this.active_field = false;
this.results_hide();
this.container.removeClassName("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.addClassName("chosen-container-active");
this.active_field = true;
return this.search_field.focus();
};
Chosen.prototype.test_active_click = function(evt) {
if (evt.target.up('.chosen-container') === this.container) {
return this.active_field = true;
} else {
return this.close_field();
}
};
Chosen.prototype.results_build = function() {
var ref, ref1;
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.select("li.search-choice").invoke("remove");
} else {
this.single_set_selected_text();
if (this.disable_search || this.form_field.options.length <= this.disable_search_threshold) {
this.search_field.readOnly = true;
if ((ref = this.focus_field) != null) {
ref.readOnly = true;
}