lucene/solr/webapp/web/libs/chosen.jquery.js

1195 lines
41 KiB
JavaScript

/*
Chosen
- by Patrick Filler for Harvest http://getharvest.com
- Copyright (c) 2011-2013 by Harvest
Available for use under the MIT License
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
// Chosen, a Select Box Enhancer for jQuery and Prototype
// by Patrick Filler for Harvest, http://getharvest.com
//
// Version 1.0.0
// Full source at https://github.com/harvesthq/chosen
// Copyright (c) 2011 Harvest http://getharvest.com
// MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
// This file is generated by `grunt build`, do not edit it by hand.
(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),
children: 0,
disabled: group.disabled
});
_ref = group.childNodes;
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
option = _ref[_i];
_results.push(this.add_option(option, group_position, group.disabled));
}
return _results;
};
SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
if (option.nodeName.toUpperCase() === "OPTION") {
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,
selected: option.selected,
disabled: group_disabled === true ? group_disabled : option.disabled,
group_array_index: group_position,
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();
}
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.result_single_selected = null;
this.allow_single_deselect = (this.options.allow_single_deselect != null) && (this.form_field.options[0] != null) && this.form_field.options[0].text === "" ? this.options.allow_single_deselect : 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;
return this.display_disabled_options = this.options.display_disabled_options != null ? this.options.display_disabled_options : 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;
}
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.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(data.text);
}
}
}
return content;
};
AbstractChosen.prototype.result_add_option = function(option) {
var classes, style;
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);
}
style = option.style.cssText !== "" ? " style=\"" + option.style + "\"" : "";
return "<li class=\"" + (classes.join(' ')) + "\"" + style + " data-option-array-index=\"" + option.array_index + "\">" + option.search_text + "</li>";
};
AbstractChosen.prototype.result_add_group = function(group) {
if (!(group.search_match || group.group_match)) {
return '';
}
if (!(group.active_options > 0)) {
return '';
}
return "<li class=\"group-result\">" + group.search_text + "</li>";
};
AbstractChosen.prototype.results_update_field = function() {
this.set_default_text();
if (!this.is_multiple) {
this.results_reset_cleanup();
}
this.result_clear_highlight();
this.result_single_selected = null;
this.results_build();
if (this.results_showing) {
return this.winnow_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, regexAnchor, results, results_group, searchText, startpos, text, zregex, _i, _len, _ref;
this.no_results_clear();
results = 0;
searchText = this.get_search_text();
escapedSearchText = searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
regexAnchor = this.search_contains ? "" : "^";
regex = new RegExp(regexAnchor + escapedSearchText, 'i');
zregex = new RegExp(escapedSearchText, 'i');
_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;
}
if (!(option.group && !this.group_search)) {
option.search_text = option.group ? option.label : option.html;
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.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.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.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) {
chosen.destroy();
} else if (!chosen) {
$this.data('chosen', new Chosen(this, options));
}
});
}
});
Chosen = (function(_super) {
__extends(Chosen, _super);
function Chosen() {
_ref = Chosen.__super__.constructor.apply(this, arguments);
return _ref;
}
Chosen.prototype.setup = function() {
this.form_field_jq = $(this.form_field);
this.current_selectedIndex = this.form_field.selectedIndex;
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();
this.set_label_behavior();
return this.form_field_jq.trigger("chosen:ready", {
chosen: this
});
};
Chosen.prototype.register_observers = function() {
var _this = this;
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.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.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);
});
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() {
$(document).unbind("click.chosen", this.click_test_action);
if (this.search_field[0].tabIndex) {
this.form_field_jq[0].tabIndex = this.search_field[0].tabIndex;
}
this.container.remove();
this.form_field_jq.removeData('chosen');
return this.form_field_jq.show();
};
Chosen.prototype.search_field_disabled = function() {
this.is_disabled = this.form_field_jq[0].disabled;
if (this.is_disabled) {
this.container.addClass('chosen-disabled');
this.search_field[0].disabled = true;
if (!this.is_multiple) {
this.selected_item.unbind("focus.chosen", this.activate_action);
}
return this.close_field();
} else {
this.container.removeClass('chosen-disabled');
this.search_field[0].disabled = false;
if (!this.is_multiple) {
return this.selected_item.bind("focus.chosen", this.activate_action);
}
}
};
Chosen.prototype.container_mousedown = function(evt) {
if (!this.is_disabled) {
if (evt && evt.type === "mousedown" && !this.results_showing) {
evt.preventDefault();
}
if (!((evt != null) && ($(evt.target)).hasClass("search-choice-close"))) {
if (!this.active_field) {
if (this.is_multiple) {
this.search_field.val("");
}
$(document).bind('click.chosen', this.click_test_action);
this.results_show();
} else if (!this.is_multiple && evt && (($(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, _ref1, _ref2;
delta = -((_ref1 = evt.originalEvent) != null ? _ref1.wheelDelta : void 0) || ((_ref2 = evt.originialEvent) != null ? _ref2.detail : void 0);
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() {
$(document).unbind("click.chosen", this.click_test_action);
this.active_field = false;
this.results_hide();
this.container.removeClass("chosen-container-active");
this.clear_backstroke();
this.show_search_field_default();
return this.search_field_scale();
};
Chosen.prototype.activate_field = function() {
this.container.addClass("chosen-container-active");
this.active_field = true;
this.search_field.val(this.search_field.val());
return this.search_field.focus();
};
Chosen.prototype.test_active_click = function(evt) {
if (this.container.is($(evt.target).closest('.chosen-container'))) {
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.form_field_jq.trigger("chosen:showing_dropdown", {
chosen: this
});
this.results_showing = true;
this.search_field.focus();
this.search_field.val(this.search_field.val());
return this.winnow_results();
};
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>" + item.html + "</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.form_field.options[0].selected = true;
this.selected_option_count = null;
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, selected_index;
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 {
if (this.result_single_selected) {
this.result_single_selected.removeClass("result-selected");
selected_index = this.result_single_selected[0].getAttribute('data-option-array-index');
this.results_data[selected_index].selected = false;
}
this.result_single_selected = high;
}
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(item.text);
}
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;
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").text(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() {
if (this.search_field.val() === this.default_text) {
return "";
} else {
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);
return this.search_results.append(no_results_html);
};
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:
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);