resources/lib/jquery.chosen/chosen.jquery.js

   1 // Chosen, a Select Box Enhancer for jQuery and Protoype
   2 // by Patrick Filler for Harvest, http://getharvest.com
   3 //
   4 // Version 0.9.14
   5 // Full source at https://github.com/harvesthq/chosen
   6 // Copyright (c) 2011 Harvest http://getharvest.com
   7
   8 // MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
   9 // This file is generated by `cake build`, do not edit it by hand.
  10 (function() {
  11   var SelectParser;
  12
  13   SelectParser = (function() {
  14
  15     function SelectParser() {
  16       this.options_index = 0;
  17       this.parsed = [];
  18     }
  19
  20     SelectParser.prototype.add_node = function(child) {
  21       if (child.nodeName.toUpperCase() === "OPTGROUP") {
  22         return this.add_group(child);
  23       } else {
  24         return this.add_option(child);
  25       }
  26     };
  27
  28     SelectParser.prototype.add_group = function(group) {
  29       var group_position, option, _i, _len, _ref, _results;
  30       group_position = this.parsed.length;
  31       this.parsed.push({
  32         array_index: group_position,
  33         group: true,
  34         label: group.label,
  35         children: 0,
  36         disabled: group.disabled
  37       });
  38       _ref = group.childNodes;
  39       _results = [];
  40       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
  41         option = _ref[_i];
  42         _results.push(this.add_option(option, group_position, group.disabled));
  43       }
  44       return _results;
  45     };
  46
  47     SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
  48       if (option.nodeName.toUpperCase() === "OPTION") {
  49         if (option.text !== "") {
  50           if (group_position != null) {
  51             this.parsed[group_position].children += 1;
  52           }
  53           this.parsed.push({
  54             array_index: this.parsed.length,
  55             options_index: this.options_index,
  56             value: option.value,
  57             text: option.text,
  58             html: option.innerHTML,
  59             selected: option.selected,
  60             disabled: group_disabled === true ? group_disabled : option.disabled,
  61             group_array_index: group_position,
  62             classes: option.className,
  63             style: option.style.cssText
  64           });
  65         } else {
  66           this.parsed.push({
  67             array_index: this.parsed.length,
  68             options_index: this.options_index,
  69             empty: true
  70           });
  71         }
  72         return this.options_index += 1;
  73       }
  74     };
  75
  76     return SelectParser;
  77
  78   })();
  79
  80   SelectParser.select_to_array = function(select) {
  81     var child, parser, _i, _len, _ref;
  82     parser = new SelectParser();
  83     _ref = select.childNodes;
  84     for (_i = 0, _len = _ref.length; _i < _len; _i++) {
  85       child = _ref[_i];
  86       parser.add_node(child);
  87     }
  88     return parser.parsed;
  89   };
  90
  91   this.SelectParser = SelectParser;
  92
  93 }).call(this);
  94
  95 /*
  96 Chosen source: generate output using 'cake build'
  97 Copyright (c) 2011 by Harvest
  98 */
  99
 100
 101 (function() {
 102   var AbstractChosen, root;
 103
 104   root = this;
 105
 106   AbstractChosen = (function() {
 107
 108     function AbstractChosen(form_field, options) {
 109       this.form_field = form_field;
 110       this.options = options != null ? options : {};
 111       if (!AbstractChosen.browser_is_supported()) {
 112         return;
 113       }
 114       this.is_multiple = this.form_field.multiple;
 115       this.set_default_text();
 116       this.set_default_values();
 117       this.setup();
 118       this.set_up_html();
 119       this.register_observers();
 120       this.finish_setup();
 121     }
 122
 123     AbstractChosen.prototype.set_default_values = function() {
 124       var _this = this;
 125       this.click_test_action = function(evt) {
 126         return _this.test_active_click(evt);
 127       };
 128       this.activate_action = function(evt) {
 129         return _this.activate_field(evt);
 130       };
 131       this.active_field = false;
 132       this.mouse_on_container = false;
 133       this.results_showing = false;
 134       this.result_highlighted = null;
 135       this.result_single_selected = null;
 136       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;
 137       this.disable_search_threshold = this.options.disable_search_threshold || 0;
 138       this.disable_search = this.options.disable_search || false;
 139       this.enable_split_word_search = this.options.enable_split_word_search != null ? this.options.enable_split_word_search : true;
 140       this.search_contains = this.options.search_contains || false;
 141       this.choices = 0;
 142       this.single_backstroke_delete = this.options.single_backstroke_delete || false;
 143       this.max_selected_options = this.options.max_selected_options || Infinity;
 144       return this.inherit_select_classes = this.options.inherit_select_classes || false;
 145     };
 146
 147     AbstractChosen.prototype.set_default_text = function() {
 148       if (this.form_field.getAttribute("data-placeholder")) {
 149         this.default_text = this.form_field.getAttribute("data-placeholder");
 150       } else if (this.is_multiple) {
 151         this.default_text = this.options.placeholder_text_multiple || this.options.placeholder_text || AbstractChosen.default_multiple_text;
 152       } else {
 153         this.default_text = this.options.placeholder_text_single || this.options.placeholder_text || AbstractChosen.default_single_text;
 154       }
 155       return this.results_none_found = this.form_field.getAttribute("data-no_results_text") || this.options.no_results_text || AbstractChosen.default_no_result_text;
 156     };
 157
 158     AbstractChosen.prototype.mouse_enter = function() {
 159       return this.mouse_on_container = true;
 160     };
 161
 162     AbstractChosen.prototype.mouse_leave = function() {
 163       return this.mouse_on_container = false;
 164     };
 165
 166     AbstractChosen.prototype.input_focus = function(evt) {
 167       var _this = this;
 168       if (this.is_multiple) {
 169         if (!this.active_field) {
 170           return setTimeout((function() {
 171             return _this.container_mousedown();
 172           }), 50);
 173         }
 174       } else {
 175         if (!this.active_field) {
 176           return this.activate_field();
 177         }
 178       }
 179     };
 180
 181     AbstractChosen.prototype.input_blur = function(evt) {
 182       var _this = this;
 183       if (!this.mouse_on_container) {
 184         this.active_field = false;
 185         return setTimeout((function() {
 186           return _this.blur_test();
 187         }), 100);
 188       }
 189     };
 190
 191     AbstractChosen.prototype.result_add_option = function(option) {
 192       var classes, style;
 193       if (!option.disabled) {
 194         option.dom_id = this.container_id + "_o_" + option.array_index;
 195         classes = option.selected && this.is_multiple ? [] : ["active-result"];
 196         if (option.selected) {
 197           classes.push("result-selected");
 198         }
 199         if (option.group_array_index != null) {
 200           classes.push("group-option");
 201         }
 202         if (option.classes !== "") {
 203           classes.push(option.classes);
 204         }
 205         style = option.style.cssText !== "" ? " style=\"" + option.style + "\"" : "";
 206         return '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '"' + style + '>' + option.html + '</li>';
 207       } else {
 208         return "";
 209       }
 210     };
 211
 212     AbstractChosen.prototype.results_update_field = function() {
 213       this.set_default_text();
 214       if (!this.is_multiple) {
 215         this.results_reset_cleanup();
 216       }
 217       this.result_clear_highlight();
 218       this.result_single_selected = null;
 219       return this.results_build();
 220     };
 221
 222     AbstractChosen.prototype.results_toggle = function() {
 223       if (this.results_showing) {
 224         return this.results_hide();
 225       } else {
 226         return this.results_show();
 227       }
 228     };
 229
 230     AbstractChosen.prototype.results_search = function(evt) {
 231       if (this.results_showing) {
 232         return this.winnow_results();
 233       } else {
 234         return this.results_show();
 235       }
 236     };
 237
 238     AbstractChosen.prototype.choices_click = function(evt) {
 239       evt.preventDefault();
 240       if (!this.results_showing) {
 241         return this.results_show();
 242       }
 243     };
 244
 245     AbstractChosen.prototype.keyup_checker = function(evt) {
 246       var stroke, _ref;
 247       stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
 248       this.search_field_scale();
 249       switch (stroke) {
 250         case 8:
 251           if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
 252             return this.keydown_backstroke();
 253           } else if (!this.pending_backstroke) {
 254             this.result_clear_highlight();
 255             return this.results_search();
 256           }
 257           break;
 258         case 13:
 259           evt.preventDefault();
 260           if (this.results_showing) {
 261             return this.result_select(evt);
 262           }
 263           break;
 264         case 27:
 265           if (this.results_showing) {
 266             this.results_hide();
 267           }
 268           return true;
 269         case 9:
 270         case 38:
 271         case 40:
 272         case 16:
 273         case 91:
 274         case 17:
 275           break;
 276         default:
 277           return this.results_search();
 278       }
 279     };
 280
 281     AbstractChosen.prototype.generate_field_id = function() {
 282       var new_id;
 283       new_id = this.generate_random_id();
 284       this.form_field.id = new_id;
 285       return new_id;
 286     };
 287
 288     AbstractChosen.prototype.generate_random_char = function() {
 289       var chars, newchar, rand;
 290       chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 291       rand = Math.floor(Math.random() * chars.length);
 292       return newchar = chars.substring(rand, rand + 1);
 293     };
 294
 295     AbstractChosen.prototype.container_width = function() {
 296       var width;
 297       if (this.options.width != null) {
 298         return this.options.width;
 299       }
 300       width = window.getComputedStyle != null ? parseFloat(window.getComputedStyle(this.form_field).getPropertyValue('width')) : (typeof jQuery !== "undefined" && jQuery !== null) && (this.form_field_jq != null) ? this.form_field_jq.outerWidth() : this.form_field.getWidth();
 301       return width + "px";
 302     };
 303
 304     AbstractChosen.browser_is_supported = function() {
 305       var _ref;
 306       if (window.navigator.appName === "Microsoft Internet Explorer") {
 307         return (null !== (_ref = document.documentMode) && _ref >= 8);
 308       }
 309       return true;
 310     };
 311
 312     AbstractChosen.default_multiple_text = "Select Some Options";
 313
 314     AbstractChosen.default_single_text = "Select an Option";
 315
 316     AbstractChosen.default_no_result_text = "No results match";
 317
 318     return AbstractChosen;
 319
 320   })();
 321
 322   root.AbstractChosen = AbstractChosen;
 323
 324 }).call(this);
 325
 326 /*
 327 Chosen source: generate output using 'cake build'
 328 Copyright (c) 2011 by Harvest
 329 */
 330
 331
 332 (function() {
 333   var $, Chosen, root,
 334     __hasProp = {}.hasOwnProperty,
 335     __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; };
 336
 337   root = this;
 338
 339   $ = jQuery;
 340
 341   $.fn.extend({
 342     chosen: function(options) {
 343       if (!AbstractChosen.browser_is_supported()) {
 344         return this;
 345       }
 346       return this.each(function(input_field) {
 347         var $this;
 348         $this = $(this);
 349         if (!$this.hasClass("chzn-done")) {
 350           return $this.data('chosen', new Chosen(this, options));
 351         }
 352       });
 353     }
 354   });
 355
 356   Chosen = (function(_super) {
 357
 358     __extends(Chosen, _super);
 359
 360     function Chosen() {
 361       return Chosen.__super__.constructor.apply(this, arguments);
 362     }
 363
 364     Chosen.prototype.setup = function() {
 365       this.form_field_jq = $(this.form_field);
 366       this.current_selectedIndex = this.form_field.selectedIndex;
 367       return this.is_rtl = this.form_field_jq.hasClass("chzn-rtl");
 368     };
 369
 370     Chosen.prototype.finish_setup = function() {
 371       return this.form_field_jq.addClass("chzn-done");
 372     };
 373
 374     Chosen.prototype.set_up_html = function() {
 375       var container_classes, container_props;
 376       this.container_id = this.form_field.id.length ? this.form_field.id.replace(/[^\w]/g, '_') : this.generate_field_id();
 377       this.container_id += "_chzn";
 378       container_classes = ["chzn-container"];
 379       container_classes.push("chzn-container-" + (this.is_multiple ? "multi" : "single"));
 380       if (this.inherit_select_classes && this.form_field.className) {
 381         container_classes.push(this.form_field.className);
 382       }
 383       if (this.is_rtl) {
 384         container_classes.push("chzn-rtl");
 385       }
 386       container_props = {
 387         'id': this.container_id,
 388         'class': container_classes.join(' '),
 389         'style': "width: " + (this.container_width()) + ";",
 390         'title': this.form_field.title
 391       };
 392       this.container = $("<div />", container_props);
 393       if (this.is_multiple) {
 394         this.container.html('<ul class="chzn-choices"><li class="search-field"><input type="text" value="' + this.default_text + '" class="default" autocomplete="off" style="width:auto;" /></li></ul><div class="chzn-drop"><ul class="chzn-results"></ul></div>');
 395       } else {
 396         this.container.html('<a href="javascript:void(0)" class="chzn-single chzn-default" tabindex="-1"><span>' + this.default_text + '</span><div><b></b></div></a><div class="chzn-drop"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>');
 397       }
 398       this.form_field_jq.hide().after(this.container);
 399       this.dropdown = this.container.find('div.chzn-drop').first();
 400       this.search_field = this.container.find('input').first();
 401       this.search_results = this.container.find('ul.chzn-results').first();
 402       this.search_field_scale();
 403       this.search_no_results = this.container.find('li.no-results').first();
 404       if (this.is_multiple) {
 405         this.search_choices = this.container.find('ul.chzn-choices').first();
 406         this.search_container = this.container.find('li.search-field').first();
 407       } else {
 408         this.search_container = this.container.find('div.chzn-search').first();
 409         this.selected_item = this.container.find('.chzn-single').first();
 410       }
 411       this.results_build();
 412       this.set_tab_index();
 413       this.set_label_behavior();
 414       return this.form_field_jq.trigger("liszt:ready", {
 415         chosen: this
 416       });
 417     };
 418
 419     Chosen.prototype.register_observers = function() {
 420       var _this = this;
 421       this.container.mousedown(function(evt) {
 422         _this.container_mousedown(evt);
 423       });
 424       this.container.mouseup(function(evt) {
 425         _this.container_mouseup(evt);
 426       });
 427       this.container.mouseenter(function(evt) {
 428         _this.mouse_enter(evt);
 429       });
 430       this.container.mouseleave(function(evt) {
 431         _this.mouse_leave(evt);
 432       });
 433       this.search_results.mouseup(function(evt) {
 434         _this.search_results_mouseup(evt);
 435       });
 436       this.search_results.mouseover(function(evt) {
 437         _this.search_results_mouseover(evt);
 438       });
 439       this.search_results.mouseout(function(evt) {
 440         _this.search_results_mouseout(evt);
 441       });
 442       this.search_results.bind('mousewheel DOMMouseScroll', function(evt) {
 443         _this.search_results_mousewheel(evt);
 444       });
 445       this.form_field_jq.bind("liszt:updated", function(evt) {
 446         _this.results_update_field(evt);
 447       });
 448       this.form_field_jq.bind("liszt:activate", function(evt) {
 449         _this.activate_field(evt);
 450       });
 451       this.form_field_jq.bind("liszt:open", function(evt) {
 452         _this.container_mousedown(evt);
 453       });
 454       this.search_field.blur(function(evt) {
 455         _this.input_blur(evt);
 456       });
 457       this.search_field.keyup(function(evt) {
 458         _this.keyup_checker(evt);
 459       });
 460       this.search_field.keydown(function(evt) {
 461         _this.keydown_checker(evt);
 462       });
 463       this.search_field.focus(function(evt) {
 464         _this.input_focus(evt);
 465       });
 466       if (this.is_multiple) {
 467         return this.search_choices.click(function(evt) {
 468           _this.choices_click(evt);
 469         });
 470       } else {
 471         return this.container.click(function(evt) {
 472           evt.preventDefault();
 473         });
 474       }
 475     };
 476
 477     Chosen.prototype.search_field_disabled = function() {
 478       this.is_disabled = this.form_field_jq[0].disabled;
 479       if (this.is_disabled) {
 480         this.container.addClass('chzn-disabled');
 481         this.search_field[0].disabled = true;
 482         if (!this.is_multiple) {
 483           this.selected_item.unbind("focus", this.activate_action);
 484         }
 485         return this.close_field();
 486       } else {
 487         this.container.removeClass('chzn-disabled');
 488         this.search_field[0].disabled = false;
 489         if (!this.is_multiple) {
 490           return this.selected_item.bind("focus", this.activate_action);
 491         }
 492       }
 493     };
 494
 495     Chosen.prototype.container_mousedown = function(evt) {
 496       if (!this.is_disabled) {
 497         if (evt && evt.type === "mousedown" && !this.results_showing) {
 498           evt.preventDefault();
 499         }
 500         if (!((evt != null) && ($(evt.target)).hasClass("search-choice-close"))) {
 501           if (!this.active_field) {
 502             if (this.is_multiple) {
 503               this.search_field.val("");
 504             }
 505             $(document).click(this.click_test_action);
 506             this.results_show();
 507           } else if (!this.is_multiple && evt && (($(evt.target)[0] === this.selected_item[0]) || $(evt.target).parents("a.chzn-single").length)) {
 508             evt.preventDefault();
 509             this.results_toggle();
 510           }
 511           return this.activate_field();
 512         }
 513       }
 514     };
 515
 516     Chosen.prototype.container_mouseup = function(evt) {
 517       if (evt.target.nodeName === "ABBR" && !this.is_disabled) {
 518         return this.results_reset(evt);
 519       }
 520     };
 521
 522     Chosen.prototype.search_results_mousewheel = function(evt) {
 523       var delta, _ref, _ref1;
 524       delta = -((_ref = evt.originalEvent) != null ? _ref.wheelDelta : void 0) || ((_ref1 = evt.originialEvent) != null ? _ref1.detail : void 0);
 525       if (delta != null) {
 526         evt.preventDefault();
 527         if (evt.type === 'DOMMouseScroll') {
 528           delta = delta * 40;
 529         }
 530         return this.search_results.scrollTop(delta + this.search_results.scrollTop());
 531       }
 532     };
 533
 534     Chosen.prototype.blur_test = function(evt) {
 535       if (!this.active_field && this.container.hasClass("chzn-container-active")) {
 536         return this.close_field();
 537       }
 538     };
 539
 540     Chosen.prototype.close_field = function() {
 541       $(document).unbind("click", this.click_test_action);
 542       this.active_field = false;
 543       this.results_hide();
 544       this.container.removeClass("chzn-container-active");
 545       this.winnow_results_clear();
 546       this.clear_backstroke();
 547       this.show_search_field_default();
 548       return this.search_field_scale();
 549     };
 550
 551     Chosen.prototype.activate_field = function() {
 552       this.container.addClass("chzn-container-active");
 553       this.active_field = true;
 554       this.search_field.val(this.search_field.val());
 555       return this.search_field.focus();
 556     };
 557
 558     Chosen.prototype.test_active_click = function(evt) {
 559       if ($(evt.target).parents('#' + this.container_id).length) {
 560         return this.active_field = true;
 561       } else {
 562         return this.close_field();
 563       }
 564     };
 565
 566     Chosen.prototype.results_build = function() {
 567       var content, data, _i, _len, _ref;
 568       this.parsing = true;
 569       this.results_data = root.SelectParser.select_to_array(this.form_field);
 570       if (this.is_multiple && this.choices > 0) {
 571         this.search_choices.find("li.search-choice").remove();
 572         this.choices = 0;
 573       } else if (!this.is_multiple) {
 574         this.selected_item.addClass("chzn-default").find("span").text(this.default_text);
 575         if (this.disable_search || this.form_field.options.length <= this.disable_search_threshold) {
 576           this.container.addClass("chzn-container-single-nosearch");
 577         } else {
 578           this.container.removeClass("chzn-container-single-nosearch");
 579         }
 580       }
 581       content = '';
 582       _ref = this.results_data;
 583       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
 584         data = _ref[_i];
 585         if (data.group) {
 586           content += this.result_add_group(data);
 587         } else if (!data.empty) {
 588           content += this.result_add_option(data);
 589           if (data.selected && this.is_multiple) {
 590             this.choice_build(data);
 591           } else if (data.selected && !this.is_multiple) {
 592             this.selected_item.removeClass("chzn-default").find("span").text(data.text);
 593             if (this.allow_single_deselect) {
 594               this.single_deselect_control_build();
 595             }
 596           }
 597         }
 598       }
 599       this.search_field_disabled();
 600       this.show_search_field_default();
 601       this.search_field_scale();
 602       this.search_results.html(content);
 603       return this.parsing = false;
 604     };
 605
 606     Chosen.prototype.result_add_group = function(group) {
 607       if (!group.disabled) {
 608         group.dom_id = this.container_id + "_g_" + group.array_index;
 609         return '<li id="' + group.dom_id + '" class="group-result">' + $("<div />").text(group.label).html() + '</li>';
 610       } else {
 611         return "";
 612       }
 613     };
 614
 615     Chosen.prototype.result_do_highlight = function(el) {
 616       var high_bottom, high_top, maxHeight, visible_bottom, visible_top;
 617       if (el.length) {
 618         this.result_clear_highlight();
 619         this.result_highlight = el;
 620         this.result_highlight.addClass("highlighted");
 621         maxHeight = parseInt(this.search_results.css("maxHeight"), 10);
 622         visible_top = this.search_results.scrollTop();
 623         visible_bottom = maxHeight + visible_top;
 624         high_top = this.result_highlight.position().top + this.search_results.scrollTop();
 625         high_bottom = high_top + this.result_highlight.outerHeight();
 626         if (high_bottom >= visible_bottom) {
 627           return this.search_results.scrollTop((high_bottom - maxHeight) > 0 ? high_bottom - maxHeight : 0);
 628         } else if (high_top < visible_top) {
 629           return this.search_results.scrollTop(high_top);
 630         }
 631       }
 632     };
 633
 634     Chosen.prototype.result_clear_highlight = function() {
 635       if (this.result_highlight) {
 636         this.result_highlight.removeClass("highlighted");
 637       }
 638       return this.result_highlight = null;
 639     };
 640
 641     Chosen.prototype.results_show = function() {
 642       if (this.result_single_selected != null) {
 643         this.result_do_highlight(this.result_single_selected);
 644       } else if (this.is_multiple && this.max_selected_options <= this.choices) {
 645         this.form_field_jq.trigger("liszt:maxselected", {
 646           chosen: this
 647         });
 648         return false;
 649       }
 650       this.container.addClass("chzn-with-drop");
 651       this.form_field_jq.trigger("liszt:showing_dropdown", {
 652         chosen: this
 653       });
 654       this.results_showing = true;
 655       this.search_field.focus();
 656       this.search_field.val(this.search_field.val());
 657       return this.winnow_results();
 658     };
 659
 660     Chosen.prototype.results_hide = function() {
 661       this.result_clear_highlight();
 662       this.container.removeClass("chzn-with-drop");
 663       this.form_field_jq.trigger("liszt:hiding_dropdown", {
 664         chosen: this
 665       });
 666       return this.results_showing = false;
 667     };
 668
 669     Chosen.prototype.set_tab_index = function(el) {
 670       var ti;
 671       if (this.form_field_jq.attr("tabindex")) {
 672         ti = this.form_field_jq.attr("tabindex");
 673         this.form_field_jq.attr("tabindex", -1);
 674         return this.search_field.attr("tabindex", ti);
 675       }
 676     };
 677
 678     Chosen.prototype.set_label_behavior = function() {
 679       var _this = this;
 680       this.form_field_label = this.form_field_jq.parents("label");
 681       if (!this.form_field_label.length && this.form_field.id.length) {
 682         this.form_field_label = $("label[for=" + this.form_field.id + "]");
 683       }
 684       if (this.form_field_label.length > 0) {
 685         return this.form_field_label.click(function(evt) {
 686           if (_this.is_multiple) {
 687             return _this.container_mousedown(evt);
 688           } else {
 689             return _this.activate_field();
 690           }
 691         });
 692       }
 693     };
 694
 695     Chosen.prototype.show_search_field_default = function() {
 696       if (this.is_multiple && this.choices < 1 && !this.active_field) {
 697         this.search_field.val(this.default_text);
 698         return this.search_field.addClass("default");
 699       } else {
 700         this.search_field.val("");
 701         return this.search_field.removeClass("default");
 702       }
 703     };
 704
 705     Chosen.prototype.search_results_mouseup = function(evt) {
 706       var target;
 707       target = $(evt.target).hasClass("active-result") ? $(evt.target) : $(evt.target).parents(".active-result").first();
 708       if (target.length) {
 709         this.result_highlight = target;
 710         this.result_select(evt);
 711         return this.search_field.focus();
 712       }
 713     };
 714
 715     Chosen.prototype.search_results_mouseover = function(evt) {
 716       var target;
 717       target = $(evt.target).hasClass("active-result") ? $(evt.target) : $(evt.target).parents(".active-result").first();
 718       if (target) {
 719         return this.result_do_highlight(target);
 720       }
 721     };
 722
 723     Chosen.prototype.search_results_mouseout = function(evt) {
 724       if ($(evt.target).hasClass("active-result" || $(evt.target).parents('.active-result').first())) {
 725         return this.result_clear_highlight();
 726       }
 727     };
 728
 729     Chosen.prototype.choice_build = function(item) {
 730       var choice_id, html, link,
 731         _this = this;
 732       if (this.is_multiple && this.max_selected_options <= this.choices) {
 733         this.form_field_jq.trigger("liszt:maxselected", {
 734           chosen: this
 735         });
 736         return false;
 737       }
 738       choice_id = this.container_id + "_c_" + item.array_index;
 739       this.choices += 1;
 740       if (item.disabled) {
 741         html = '<li class="search-choice search-choice-disabled" id="' + choice_id + '"><span>' + item.html + '</span></li>';
 742       } else {
 743         html = '<li class="search-choice" id="' + choice_id + '"><span>' + item.html + '</span><a href="javascript:void(0)" class="search-choice-close" rel="' + item.array_index + '"></a></li>';
 744       }
 745       this.search_container.before(html);
 746       link = $('#' + choice_id).find("a").first();
 747       return link.click(function(evt) {
 748         return _this.choice_destroy_link_click(evt);
 749       });
 750     };
 751
 752     Chosen.prototype.choice_destroy_link_click = function(evt) {
 753       evt.preventDefault();
 754       evt.stopPropagation();
 755       if (!this.is_disabled) {
 756         return this.choice_destroy($(evt.target));
 757       }
 758     };
 759
 760     Chosen.prototype.choice_destroy = function(link) {
 761       if (this.result_deselect(link.attr("rel"))) {
 762         this.choices -= 1;
 763         this.show_search_field_default();
 764         if (this.is_multiple && this.choices > 0 && this.search_field.val().length < 1) {
 765           this.results_hide();
 766         }
 767         link.parents('li').first().remove();
 768         return this.search_field_scale();
 769       }
 770     };
 771
 772     Chosen.prototype.results_reset = function() {
 773       this.form_field.options[0].selected = true;
 774       this.selected_item.find("span").text(this.default_text);
 775       if (!this.is_multiple) {
 776         this.selected_item.addClass("chzn-default");
 777       }
 778       this.show_search_field_default();
 779       this.results_reset_cleanup();
 780       this.form_field_jq.trigger("change");
 781       if (this.active_field) {
 782         return this.results_hide();
 783       }
 784     };
 785
 786     Chosen.prototype.results_reset_cleanup = function() {
 787       this.current_selectedIndex = this.form_field.selectedIndex;
 788       return this.selected_item.find("abbr").remove();
 789     };
 790
 791     Chosen.prototype.result_select = function(evt) {
 792       var high, high_id, item, position;
 793       if (this.result_highlight) {
 794         high = this.result_highlight;
 795         high_id = high.attr("id");
 796         this.result_clear_highlight();
 797         if (this.is_multiple) {
 798           this.result_deactivate(high);
 799         } else {
 800           this.search_results.find(".result-selected").removeClass("result-selected");
 801           this.result_single_selected = high;
 802           this.selected_item.removeClass("chzn-default");
 803         }
 804         high.addClass("result-selected");
 805         position = high_id.substr(high_id.lastIndexOf("_") + 1);
 806         item = this.results_data[position];
 807         item.selected = true;
 808         this.form_field.options[item.options_index].selected = true;
 809         if (this.is_multiple) {
 810           this.choice_build(item);
 811         } else {
 812           this.selected_item.find("span").first().text(item.text);
 813           if (this.allow_single_deselect) {
 814             this.single_deselect_control_build();
 815           }
 816         }
 817         if (!((evt.metaKey || evt.ctrlKey) && this.is_multiple)) {
 818           this.results_hide();
 819         }
 820         this.search_field.val("");
 821         if (this.is_multiple || this.form_field.selectedIndex !== this.current_selectedIndex) {
 822           this.form_field_jq.trigger("change", {
 823             'selected': this.form_field.options[item.options_index].value
 824           });
 825         }
 826         this.current_selectedIndex = this.form_field.selectedIndex;
 827         return this.search_field_scale();
 828       }
 829     };
 830
 831     Chosen.prototype.result_activate = function(el) {
 832       return el.addClass("active-result");
 833     };
 834
 835     Chosen.prototype.result_deactivate = function(el) {
 836       return el.removeClass("active-result");
 837     };
 838
 839     Chosen.prototype.result_deselect = function(pos) {
 840       var result, result_data;
 841       result_data = this.results_data[pos];
 842       if (!this.form_field.options[result_data.options_index].disabled) {
 843         result_data.selected = false;
 844         this.form_field.options[result_data.options_index].selected = false;
 845         result = $("#" + this.container_id + "_o_" + pos);
 846         result.removeClass("result-selected").addClass("active-result").show();
 847         this.result_clear_highlight();
 848         this.winnow_results();
 849         this.form_field_jq.trigger("change", {
 850           deselected: this.form_field.options[result_data.options_index].value
 851         });
 852         this.search_field_scale();
 853         return true;
 854       } else {
 855         return false;
 856       }
 857     };
 858
 859     Chosen.prototype.single_deselect_control_build = function() {
 860       if (this.allow_single_deselect && this.selected_item.find("abbr").length < 1) {
 861         return this.selected_item.find("span").first().after("<abbr class=\"search-choice-close\"></abbr>");
 862       }
 863     };
 864
 865     Chosen.prototype.winnow_results = function() {
 866       var found, option, part, parts, regex, regexAnchor, result, result_id, results, searchText, startpos, text, zregex, _i, _j, _len, _len1, _ref;
 867       this.no_results_clear();
 868       results = 0;
 869       searchText = this.search_field.val() === this.default_text ? "" : $('<div/>').text($.trim(this.search_field.val())).html();
 870       regexAnchor = this.search_contains ? "" : "^";
 871       regex = new RegExp(regexAnchor + searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i');
 872       zregex = new RegExp(searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i');
 873       _ref = this.results_data;
 874       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
 875         option = _ref[_i];
 876         if (!option.disabled && !option.empty) {
 877           if (option.group) {
 878             $('#' + option.dom_id).css('display', 'none');
 879           } else if (!(this.is_multiple && option.selected)) {
 880             found = false;
 881             result_id = option.dom_id;
 882             result = $("#" + result_id);
 883             if (regex.test(option.html)) {
 884               found = true;
 885               results += 1;
 886             } else if (this.enable_split_word_search && (option.html.indexOf(" ") >= 0 || option.html.indexOf("[") === 0)) {
 887               parts = option.html.replace(/\[|\]/g, "").split(" ");
 888               if (parts.length) {
 889                 for (_j = 0, _len1 = parts.length; _j < _len1; _j++) {
 890                   part = parts[_j];
 891                   if (regex.test(part)) {
 892                     found = true;
 893                     results += 1;
 894                   }
 895                 }
 896               }
 897             }
 898             if (found) {
 899               if (searchText.length) {
 900                 startpos = option.html.search(zregex);
 901                 text = option.html.substr(0, startpos + searchText.length) + '</em>' + option.html.substr(startpos + searchText.length);
 902                 text = text.substr(0, startpos) + '<em>' + text.substr(startpos);
 903               } else {
 904                 text = option.html;
 905               }
 906               result.html(text);
 907               this.result_activate(result);
 908               if (option.group_array_index != null) {
 909                 $("#" + this.results_data[option.group_array_index].dom_id).css('display', 'list-item');
 910               }
 911             } else {
 912               if (this.result_highlight && result_id === this.result_highlight.attr('id')) {
 913                 this.result_clear_highlight();
 914               }
 915               this.result_deactivate(result);
 916             }
 917           }
 918         }
 919       }
 920       if (results < 1 && searchText.length) {
 921         return this.no_results(searchText);
 922       } else {
 923         return this.winnow_results_set_highlight();
 924       }
 925     };
 926
 927     Chosen.prototype.winnow_results_clear = function() {
 928       var li, lis, _i, _len, _results;
 929       this.search_field.val("");
 930       lis = this.search_results.find("li");
 931       _results = [];
 932       for (_i = 0, _len = lis.length; _i < _len; _i++) {
 933         li = lis[_i];
 934         li = $(li);
 935         if (li.hasClass("group-result")) {
 936           _results.push(li.css('display', 'auto'));
 937         } else if (!this.is_multiple || !li.hasClass("result-selected")) {
 938           _results.push(this.result_activate(li));
 939         } else {
 940           _results.push(void 0);
 941         }
 942       }
 943       return _results;
 944     };
 945
 946     Chosen.prototype.winnow_results_set_highlight = function() {
 947       var do_high, selected_results;
 948       if (!this.result_highlight) {
 949         selected_results = !this.is_multiple ? this.search_results.find(".result-selected.active-result") : [];
 950         do_high = selected_results.length ? selected_results.first() : this.search_results.find(".active-result").first();
 951         if (do_high != null) {
 952           return this.result_do_highlight(do_high);
 953         }
 954       }
 955     };
 956
 957     Chosen.prototype.no_results = function(terms) {
 958       var no_results_html;
 959       no_results_html = $('<li class="no-results">' + this.results_none_found + ' "<span></span>"</li>');
 960       no_results_html.find("span").first().html(terms);
 961       return this.search_results.append(no_results_html);
 962     };
 963
 964     Chosen.prototype.no_results_clear = function() {
 965       return this.search_results.find(".no-results").remove();
 966     };
 967
 968     Chosen.prototype.keydown_arrow = function() {
 969       var first_active, next_sib;
 970       if (!this.result_highlight) {
 971         first_active = this.search_results.find("li.active-result").first();
 972         if (first_active) {
 973           this.result_do_highlight($(first_active));
 974         }
 975       } else if (this.results_showing) {
 976         next_sib = this.result_highlight.nextAll("li.active-result").first();
 977         if (next_sib) {
 978           this.result_do_highlight(next_sib);
 979         }
 980       }
 981       if (!this.results_showing) {
 982         return this.results_show();
 983       }
 984     };
 985
 986     Chosen.prototype.keyup_arrow = function() {
 987       var prev_sibs;
 988       if (!this.results_showing && !this.is_multiple) {
 989         return this.results_show();
 990       } else if (this.result_highlight) {
 991         prev_sibs = this.result_highlight.prevAll("li.active-result");
 992         if (prev_sibs.length) {
 993           return this.result_do_highlight(prev_sibs.first());
 994         } else {
 995           if (this.choices > 0) {
 996             this.results_hide();
 997           }
 998           return this.result_clear_highlight();
 999         }
1000       }
1001     };
1002
1003     Chosen.prototype.keydown_backstroke = function() {
1004       var next_available_destroy;
1005       if (this.pending_backstroke) {
1006         this.choice_destroy(this.pending_backstroke.find("a").first());
1007         return this.clear_backstroke();
1008       } else {
1009         next_available_destroy = this.search_container.siblings("li.search-choice").last();
1010         if (next_available_destroy.length && !next_available_destroy.hasClass("search-choice-disabled")) {
1011           this.pending_backstroke = next_available_destroy;
1012           if (this.single_backstroke_delete) {
1013             return this.keydown_backstroke();
1014           } else {
1015             return this.pending_backstroke.addClass("search-choice-focus");
1016           }
1017         }
1018       }
1019     };
1020
1021     Chosen.prototype.clear_backstroke = function() {
1022       if (this.pending_backstroke) {
1023         this.pending_backstroke.removeClass("search-choice-focus");
1024       }
1025       return this.pending_backstroke = null;
1026     };
1027
1028     Chosen.prototype.keydown_checker = function(evt) {
1029       var stroke, _ref;
1030       stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
1031       this.search_field_scale();
1032       if (stroke !== 8 && this.pending_backstroke) {
1033         this.clear_backstroke();
1034       }
1035       switch (stroke) {
1036         case 8:
1037           this.backstroke_length = this.search_field.val().length;
1038           break;
1039         case 9:
1040           if (this.results_showing && !this.is_multiple) {
1041             this.result_select(evt);
1042           }
1043           this.mouse_on_container = false;
1044           break;
1045         case 13:
1046           evt.preventDefault();
1047           break;
1048         case 38:
1049           evt.preventDefault();
1050           this.keyup_arrow();
1051           break;
1052         case 40:
1053           this.keydown_arrow();
1054           break;
1055       }
1056     };
1057
1058     Chosen.prototype.search_field_scale = function() {
1059       var div, h, style, style_block, styles, w, _i, _len;
1060       if (this.is_multiple) {
1061         h = 0;
1062         w = 0;
1063         style_block = "position:absolute; left: -1000px; top: -1000px; display:none;";
1064         styles = ['font-size', 'font-style', 'font-weight', 'font-family', 'line-height', 'text-transform', 'letter-spacing'];
1065         for (_i = 0, _len = styles.length; _i < _len; _i++) {
1066           style = styles[_i];
1067           style_block += style + ":" + this.search_field.css(style) + ";";
1068         }
1069         div = $('<div />', {
1070           'style': style_block
1071         });
1072         div.text(this.search_field.val());
1073         $('body').append(div);
1074         w = div.width() + 25;
1075         div.remove();
1076         if (!this.f_width) {
1077           this.f_width = this.container.outerWidth();
1078         }
1079         if (w > this.f_width - 10) {
1080           w = this.f_width - 10;
1081         }
1082         return this.search_field.css({
1083           'width': w + 'px'
1084         });
1085       }
1086     };
1087
1088     Chosen.prototype.generate_random_id = function() {
1089       var string;
1090       string = "sel" + this.generate_random_char() + this.generate_random_char() + this.generate_random_char();
1091       while ($("#" + string).length > 0) {
1092         string += this.generate_random_char();
1093       }
1094       return string;
1095     };
1096
1097     return Chosen;
1098
1099   })(AbstractChosen);
1100
1101   root.Chosen = Chosen;
1102
1103 }).call(this);