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/libraries/jquery/chosen/ -> chosen.proto.js (source)

   1  // Chosen, a Select Box Enhancer for jQuery and Protoype
   2  // by Patrick Filler for Harvest, http://getharvest.com
   3  // 
   4  // Version 0.9.5
   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    SelectParser = (function() {
  13      function SelectParser() {
  14        this.options_index = 0;
  15        this.parsed = [];
  16      }
  17      SelectParser.prototype.add_node = function(child) {
  18        if (child.nodeName === "OPTGROUP") {
  19          return this.add_group(child);
  20        } else {
  21          return this.add_option(child);
  22        }
  23      };
  24      SelectParser.prototype.add_group = function(group) {
  25        var group_position, option, _i, _len, _ref, _results;
  26        group_position = this.parsed.length;
  27        this.parsed.push({
  28          array_index: group_position,
  29          group: true,
  30          label: group.label,
  31          children: 0,
  32          disabled: group.disabled
  33        });
  34        _ref = group.childNodes;
  35        _results = [];
  36        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
  37          option = _ref[_i];
  38          _results.push(this.add_option(option, group_position, group.disabled));
  39        }
  40        return _results;
  41      };
  42      SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
  43        if (option.nodeName === "OPTION") {
  44          if (option.text !== "") {
  45            if (group_position != null) {
  46              this.parsed[group_position].children += 1;
  47            }
  48            this.parsed.push({
  49              array_index: this.parsed.length,
  50              options_index: this.options_index,
  51              value: option.value,
  52              text: option.text,
  53              html: option.innerHTML,
  54              selected: option.selected,
  55              disabled: group_disabled === true ? group_disabled : option.disabled,
  56              group_array_index: group_position,
  57              classes: option.className,
  58              style: option.style.cssText
  59            });
  60          } else {
  61            this.parsed.push({
  62              array_index: this.parsed.length,
  63              options_index: this.options_index,
  64              empty: true
  65            });
  66          }
  67          return this.options_index += 1;
  68        }
  69      };
  70      return SelectParser;
  71    })();
  72    SelectParser.select_to_array = function(select) {
  73      var child, parser, _i, _len, _ref;
  74      parser = new SelectParser();
  75      _ref = select.childNodes;
  76      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
  77        child = _ref[_i];
  78        parser.add_node(child);
  79      }
  80      return parser.parsed;
  81    };
  82    this.SelectParser = SelectParser;
  83  }).call(this);
  84  (function() {
  85    /*
  86    Chosen source: generate output using 'cake build'
  87    Copyright (c) 2011 by Harvest
  88    */
  89    var AbstractChosen, root;
  90    var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
  91    root = this;
  92    AbstractChosen = (function() {
  93      function AbstractChosen(form_field, options) {
  94        this.form_field = form_field;
  95        this.options = options != null ? options : {};
  96        this.set_default_values();
  97        this.is_multiple = this.form_field.multiple;
  98        this.default_text_default = this.is_multiple ? "Select Some Options" : "Select an Option";
  99        this.setup();
 100        this.set_up_html();
 101        this.register_observers();
 102        this.finish_setup();
 103      }
 104      AbstractChosen.prototype.set_default_values = function() {
 105        this.click_test_action = __bind(function(evt) {
 106          return this.test_active_click(evt);
 107        }, this);
 108        this.activate_action = __bind(function(evt) {
 109          return this.activate_field(evt);
 110        }, this);
 111        this.active_field = false;
 112        this.mouse_on_container = false;
 113        this.results_showing = false;
 114        this.result_highlighted = null;
 115        this.result_single_selected = null;
 116        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;
 117        this.disable_search_threshold = this.options.disable_search_threshold || 0;
 118        this.choices = 0;
 119        return this.results_none_found = this.options.no_results_text || "No results match";
 120      };
 121      AbstractChosen.prototype.mouse_enter = function() {
 122        return this.mouse_on_container = true;
 123      };
 124      AbstractChosen.prototype.mouse_leave = function() {
 125        return this.mouse_on_container = false;
 126      };
 127      AbstractChosen.prototype.input_focus = function(evt) {
 128        if (!this.active_field) {
 129          return setTimeout((__bind(function() {
 130            return this.container_mousedown();
 131          }, this)), 50);
 132        }
 133      };
 134      AbstractChosen.prototype.input_blur = function(evt) {
 135        if (!this.mouse_on_container) {
 136          this.active_field = false;
 137          return setTimeout((__bind(function() {
 138            return this.blur_test();
 139          }, this)), 100);
 140        }
 141      };
 142      AbstractChosen.prototype.result_add_option = function(option) {
 143        var classes, style;
 144        if (!option.disabled) {
 145          option.dom_id = this.container_id + "_o_" + option.array_index;
 146          classes = option.selected && this.is_multiple ? [] : ["active-result"];
 147          if (option.selected) {
 148            classes.push("result-selected");
 149          }
 150          if (option.group_array_index != null) {
 151            classes.push("group-option");
 152          }
 153          if (option.classes !== "") {
 154            classes.push(option.classes);
 155          }
 156          style = option.style.cssText !== "" ? " style=\"" + option.style + "\"" : "";
 157          return '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '"' + style + '>' + option.html + '</li>';
 158        } else {
 159          return "";
 160        }
 161      };
 162      AbstractChosen.prototype.results_update_field = function() {
 163        this.result_clear_highlight();
 164        this.result_single_selected = null;
 165        return this.results_build();
 166      };
 167      AbstractChosen.prototype.results_toggle = function() {
 168        if (this.results_showing) {
 169          return this.results_hide();
 170        } else {
 171          return this.results_show();
 172        }
 173      };
 174      AbstractChosen.prototype.results_search = function(evt) {
 175        if (this.results_showing) {
 176          return this.winnow_results();
 177        } else {
 178          return this.results_show();
 179        }
 180      };
 181      AbstractChosen.prototype.keyup_checker = function(evt) {
 182        var stroke, _ref;
 183        stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
 184        this.search_field_scale();
 185        switch (stroke) {
 186          case 8:
 187            if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
 188              return this.keydown_backstroke();
 189            } else if (!this.pending_backstroke) {
 190              this.result_clear_highlight();
 191              return this.results_search();
 192            }
 193            break;
 194          case 13:
 195            evt.preventDefault();
 196            if (this.results_showing) {
 197              return this.result_select(evt);
 198            }
 199            break;
 200          case 27:
 201            if (this.results_showing) {
 202              return this.results_hide();
 203            }
 204            break;
 205          case 9:
 206          case 38:
 207          case 40:
 208          case 16:
 209          case 91:
 210          case 17:
 211            break;
 212          default:
 213            return this.results_search();
 214        }
 215      };
 216      AbstractChosen.prototype.generate_field_id = function() {
 217        var new_id;
 218        new_id = this.generate_random_id();
 219        this.form_field.id = new_id;
 220        return new_id;
 221      };
 222      AbstractChosen.prototype.generate_random_char = function() {
 223        var chars, newchar, rand;
 224        chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ";
 225        rand = Math.floor(Math.random() * chars.length);
 226        return newchar = chars.substring(rand, rand + 1);
 227      };
 228      return AbstractChosen;
 229    })();
 230    root.AbstractChosen = AbstractChosen;
 231  }).call(this);
 232  (function() {
 233    /*
 234    Chosen source: generate output using 'cake build'
 235    Copyright (c) 2011 by Harvest
 236    */
 237    var Chosen, get_side_border_padding, root;
 238    var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) {
 239      for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }
 240      function ctor() { this.constructor = child; }
 241      ctor.prototype = parent.prototype;
 242      child.prototype = new ctor;
 243      child.__super__ = parent.prototype;
 244      return child;
 245    }, __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
 246    root = this;
 247    Chosen = (function() {
 248      __extends(Chosen, AbstractChosen);
 249      function Chosen() {
 250        Chosen.__super__.constructor.apply(this, arguments);
 251      }
 252      Chosen.prototype.setup = function() {
 253        return this.is_rtl = this.form_field.hasClassName("chzn-rtl");
 254      };
 255      Chosen.prototype.finish_setup = function() {
 256        return this.form_field.addClassName("chzn-done");
 257      };
 258      Chosen.prototype.set_default_values = function() {
 259        Chosen.__super__.set_default_values.call(this);
 260        this.single_temp = new Template('<a href="javascript:void(0)" class="chzn-single"><span>#{default}</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>');
 261        this.multi_temp = new Template('<ul class="chzn-choices"><li class="search-field"><input type="text" value="#{default}" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>');
 262        this.choice_temp = new Template('<li class="search-choice" id="#{id}"><span>#{choice}</span><a href="javascript:void(0)" class="search-choice-close" rel="#{position}"></a></li>');
 263        return this.no_results_temp = new Template('<li class="no-results">' + this.results_none_found + ' "<span>#{terms}</span>"</li>');
 264      };
 265      Chosen.prototype.set_up_html = function() {
 266        var base_template, container_props, dd_top, dd_width, sf_width;
 267        this.container_id = this.form_field.identify().replace(/(:|\.)/g, '_') + "_chzn";
 268        this.f_width = this.form_field.getStyle("width") ? parseInt(this.form_field.getStyle("width"), 10) : this.form_field.getWidth();
 269        container_props = {
 270          'id': this.container_id,
 271          'class': "chzn-container" + (this.is_rtl ? ' chzn-rtl' : ''),
 272          'style': 'width: ' + this.f_width + 'px'
 273        };
 274        this.default_text = this.form_field.readAttribute('data-placeholder') ? this.form_field.readAttribute('data-placeholder') : this.default_text_default;
 275        base_template = this.is_multiple ? new Element('div', container_props).update(this.multi_temp.evaluate({
 276          "default": this.default_text
 277        })) : new Element('div', container_props).update(this.single_temp.evaluate({
 278          "default": this.default_text
 279        }));
 280        this.form_field.hide().insert({
 281          after: base_template
 282        });
 283        this.container = $(this.container_id);
 284        this.container.addClassName("chzn-container-" + (this.is_multiple ? "multi" : "single"));
 285        this.dropdown = this.container.down('div.chzn-drop');
 286        dd_top = this.container.getHeight();
 287        dd_width = this.f_width - get_side_border_padding(this.dropdown);
 288        this.dropdown.setStyle({
 289          "width": dd_width + "px",
 290          "top": dd_top + "px"
 291        });
 292        this.search_field = this.container.down('input');
 293        this.search_results = this.container.down('ul.chzn-results');
 294        this.search_field_scale();
 295        this.search_no_results = this.container.down('li.no-results');
 296        if (this.is_multiple) {
 297          this.search_choices = this.container.down('ul.chzn-choices');
 298          this.search_container = this.container.down('li.search-field');
 299        } else {
 300          this.search_container = this.container.down('div.chzn-search');
 301          this.selected_item = this.container.down('.chzn-single');
 302          sf_width = dd_width - get_side_border_padding(this.search_container) - get_side_border_padding(this.search_field);
 303          this.search_field.setStyle({
 304            "width": sf_width + "px"
 305          });
 306        }
 307        this.results_build();
 308        this.set_tab_index();
 309        return this.form_field.fire("liszt:ready", {
 310          chosen: this
 311        });
 312      };
 313      Chosen.prototype.register_observers = function() {
 314        this.container.observe("mousedown", __bind(function(evt) {
 315          return this.container_mousedown(evt);
 316        }, this));
 317        this.container.observe("mouseup", __bind(function(evt) {
 318          return this.container_mouseup(evt);
 319        }, this));
 320        this.container.observe("mouseenter", __bind(function(evt) {
 321          return this.mouse_enter(evt);
 322        }, this));
 323        this.container.observe("mouseleave", __bind(function(evt) {
 324          return this.mouse_leave(evt);
 325        }, this));
 326        this.search_results.observe("mouseup", __bind(function(evt) {
 327          return this.search_results_mouseup(evt);
 328        }, this));
 329        this.search_results.observe("mouseover", __bind(function(evt) {
 330          return this.search_results_mouseover(evt);
 331        }, this));
 332        this.search_results.observe("mouseout", __bind(function(evt) {
 333          return this.search_results_mouseout(evt);
 334        }, this));
 335        this.form_field.observe("liszt:updated", __bind(function(evt) {
 336          return this.results_update_field(evt);
 337        }, this));
 338        this.search_field.observe("blur", __bind(function(evt) {
 339          return this.input_blur(evt);
 340        }, this));
 341        this.search_field.observe("keyup", __bind(function(evt) {
 342          return this.keyup_checker(evt);
 343        }, this));
 344        this.search_field.observe("keydown", __bind(function(evt) {
 345          return this.keydown_checker(evt);
 346        }, this));
 347        if (this.is_multiple) {
 348          this.search_choices.observe("click", __bind(function(evt) {
 349            return this.choices_click(evt);
 350          }, this));
 351          return this.search_field.observe("focus", __bind(function(evt) {
 352            return this.input_focus(evt);
 353          }, this));
 354        }
 355      };
 356      Chosen.prototype.search_field_disabled = function() {
 357        this.is_disabled = this.form_field.disabled;
 358        if (this.is_disabled) {
 359          this.container.addClassName('chzn-disabled');
 360          this.search_field.disabled = true;
 361          if (!this.is_multiple) {
 362            this.selected_item.stopObserving("focus", this.activate_action);
 363          }
 364          return this.close_field();
 365        } else {
 366          this.container.removeClassName('chzn-disabled');
 367          this.search_field.disabled = false;
 368          if (!this.is_multiple) {
 369            return this.selected_item.observe("focus", this.activate_action);
 370          }
 371        }
 372      };
 373      Chosen.prototype.container_mousedown = function(evt) {
 374        var target_closelink;
 375        if (!this.is_disabled) {
 376          target_closelink = evt != null ? evt.target.hasClassName("search-choice-close") : false;
 377          if (evt && evt.type === "mousedown") {
 378            evt.stop();
 379          }
 380          if (!this.pending_destroy_click && !target_closelink) {
 381            if (!this.active_field) {
 382              if (this.is_multiple) {
 383                this.search_field.clear();
 384              }
 385              document.observe("click", this.click_test_action);
 386              this.results_show();
 387            } else if (!this.is_multiple && evt && (evt.target === this.selected_item || evt.target.up("a.chzn-single"))) {
 388              this.results_toggle();
 389            }
 390            return this.activate_field();
 391          } else {
 392            return this.pending_destroy_click = false;
 393          }
 394        }
 395      };
 396      Chosen.prototype.container_mouseup = function(evt) {
 397        if (evt.target.nodeName === "ABBR") {
 398          return this.results_reset(evt);
 399        }
 400      };
 401      Chosen.prototype.blur_test = function(evt) {
 402        if (!this.active_field && this.container.hasClassName("chzn-container-active")) {
 403          return this.close_field();
 404        }
 405      };
 406      Chosen.prototype.close_field = function() {
 407        document.stopObserving("click", this.click_test_action);
 408        if (!this.is_multiple) {
 409          this.selected_item.tabIndex = this.search_field.tabIndex;
 410          this.search_field.tabIndex = -1;
 411        }
 412        this.active_field = false;
 413        this.results_hide();
 414        this.container.removeClassName("chzn-container-active");
 415        this.winnow_results_clear();
 416        this.clear_backstroke();
 417        this.show_search_field_default();
 418        return this.search_field_scale();
 419      };
 420      Chosen.prototype.activate_field = function() {
 421        if (!this.is_multiple && !this.active_field) {
 422          this.search_field.tabIndex = this.selected_item.tabIndex;
 423          this.selected_item.tabIndex = -1;
 424        }
 425        this.container.addClassName("chzn-container-active");
 426        this.active_field = true;
 427        this.search_field.value = this.search_field.value;
 428        return this.search_field.focus();
 429      };
 430      Chosen.prototype.test_active_click = function(evt) {
 431        if (evt.target.up('#' + this.container_id)) {
 432          return this.active_field = true;
 433        } else {
 434          return this.close_field();
 435        }
 436      };
 437      Chosen.prototype.results_build = function() {
 438        var content, data, _i, _len, _ref;
 439        this.parsing = true;
 440        this.results_data = root.SelectParser.select_to_array(this.form_field);
 441        if (this.is_multiple && this.choices > 0) {
 442          this.search_choices.select("li.search-choice").invoke("remove");
 443          this.choices = 0;
 444        } else if (!this.is_multiple) {
 445          this.selected_item.down("span").update(this.default_text);
 446          if (this.form_field.options.length <= this.disable_search_threshold) {
 447            this.container.addClassName("chzn-container-single-nosearch");
 448          } else {
 449            this.container.removeClassName("chzn-container-single-nosearch");
 450          }
 451        }
 452        content = '';
 453        _ref = this.results_data;
 454        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
 455          data = _ref[_i];
 456          if (data.group) {
 457            content += this.result_add_group(data);
 458          } else if (!data.empty) {
 459            content += this.result_add_option(data);
 460            if (data.selected && this.is_multiple) {
 461              this.choice_build(data);
 462            } else if (data.selected && !this.is_multiple) {
 463              this.selected_item.down("span").update(data.html);
 464              if (this.allow_single_deselect) {
 465                this.single_deselect_control_build();
 466              }
 467            }
 468          }
 469        }
 470        this.search_field_disabled();
 471        this.show_search_field_default();
 472        this.search_field_scale();
 473        this.search_results.update(content);
 474        return this.parsing = false;
 475      };
 476      Chosen.prototype.result_add_group = function(group) {
 477        if (!group.disabled) {
 478          group.dom_id = this.container_id + "_g_" + group.array_index;
 479          return '<li id="' + group.dom_id + '" class="group-result">' + group.label.escapeHTML() + '</li>';
 480        } else {
 481          return "";
 482        }
 483      };
 484      Chosen.prototype.result_do_highlight = function(el) {
 485        var high_bottom, high_top, maxHeight, visible_bottom, visible_top;
 486        this.result_clear_highlight();
 487        this.result_highlight = el;
 488        this.result_highlight.addClassName("highlighted");
 489        maxHeight = parseInt(this.search_results.getStyle('maxHeight'), 10);
 490        visible_top = this.search_results.scrollTop;
 491        visible_bottom = maxHeight + visible_top;
 492        high_top = this.result_highlight.positionedOffset().top;
 493        high_bottom = high_top + this.result_highlight.getHeight();
 494        if (high_bottom >= visible_bottom) {
 495          return this.search_results.scrollTop = (high_bottom - maxHeight) > 0 ? high_bottom - maxHeight : 0;
 496        } else if (high_top < visible_top) {
 497          return this.search_results.scrollTop = high_top;
 498        }
 499      };
 500      Chosen.prototype.result_clear_highlight = function() {
 501        if (this.result_highlight) {
 502          this.result_highlight.removeClassName('highlighted');
 503        }
 504        return this.result_highlight = null;
 505      };
 506      Chosen.prototype.results_show = function() {
 507        var dd_top;
 508        if (!this.is_multiple) {
 509          this.selected_item.addClassName('chzn-single-with-drop');
 510          if (this.result_single_selected) {
 511            this.result_do_highlight(this.result_single_selected);
 512          }
 513        }
 514        dd_top = this.is_multiple ? this.container.getHeight() : this.container.getHeight() - 1;
 515        this.dropdown.setStyle({
 516          "top": dd_top + "px",
 517          "left": 0
 518        });
 519        this.results_showing = true;
 520        this.search_field.focus();
 521        this.search_field.value = this.search_field.value;
 522        return this.winnow_results();
 523      };
 524      Chosen.prototype.results_hide = function() {
 525        if (!this.is_multiple) {
 526          this.selected_item.removeClassName('chzn-single-with-drop');
 527        }
 528        this.result_clear_highlight();
 529        this.dropdown.setStyle({
 530          "left": "-9000px"
 531        });
 532        return this.results_showing = false;
 533      };
 534      Chosen.prototype.set_tab_index = function(el) {
 535        var ti;
 536        if (this.form_field.tabIndex) {
 537          ti = this.form_field.tabIndex;
 538          this.form_field.tabIndex = -1;
 539          if (this.is_multiple) {
 540            return this.search_field.tabIndex = ti;
 541          } else {
 542            this.selected_item.tabIndex = ti;
 543            return this.search_field.tabIndex = -1;
 544          }
 545        }
 546      };
 547      Chosen.prototype.show_search_field_default = function() {
 548        if (this.is_multiple && this.choices < 1 && !this.active_field) {
 549          this.search_field.value = this.default_text;
 550          return this.search_field.addClassName("default");
 551        } else {
 552          this.search_field.value = "";
 553          return this.search_field.removeClassName("default");
 554        }
 555      };
 556      Chosen.prototype.search_results_mouseup = function(evt) {
 557        var target;
 558        target = evt.target.hasClassName("active-result") ? evt.target : evt.target.up(".active-result");
 559        if (target) {
 560          this.result_highlight = target;
 561          return this.result_select(evt);
 562        }
 563      };
 564      Chosen.prototype.search_results_mouseover = function(evt) {
 565        var target;
 566        target = evt.target.hasClassName("active-result") ? evt.target : evt.target.up(".active-result");
 567        if (target) {
 568          return this.result_do_highlight(target);
 569        }
 570      };
 571      Chosen.prototype.search_results_mouseout = function(evt) {
 572        if (evt.target.hasClassName('active-result') || evt.target.up('.active-result')) {
 573          return this.result_clear_highlight();
 574        }
 575      };
 576      Chosen.prototype.choices_click = function(evt) {
 577        evt.preventDefault();
 578        if (this.active_field && !(evt.target.hasClassName('search-choice') || evt.target.up('.search-choice')) && !this.results_showing) {
 579          return this.results_show();
 580        }
 581      };
 582      Chosen.prototype.choice_build = function(item) {
 583        var choice_id, link;
 584        choice_id = this.container_id + "_c_" + item.array_index;
 585        this.choices += 1;
 586        this.search_container.insert({
 587          before: this.choice_temp.evaluate({
 588            id: choice_id,
 589            choice: item.html,
 590            position: item.array_index
 591          })
 592        });
 593        link = $(choice_id).down('a');
 594        return link.observe("click", __bind(function(evt) {
 595          return this.choice_destroy_link_click(evt);
 596        }, this));
 597      };
 598      Chosen.prototype.choice_destroy_link_click = function(evt) {
 599        evt.preventDefault();
 600        if (!this.is_disabled) {
 601          this.pending_destroy_click = true;
 602          return this.choice_destroy(evt.target);
 603        }
 604      };
 605      Chosen.prototype.choice_destroy = function(link) {
 606        this.choices -= 1;
 607        this.show_search_field_default();
 608        if (this.is_multiple && this.choices > 0 && this.search_field.value.length < 1) {
 609          this.results_hide();
 610        }
 611        this.result_deselect(link.readAttribute("rel"));
 612        return link.up('li').remove();
 613      };
 614      Chosen.prototype.results_reset = function(evt) {
 615        this.form_field.options[0].selected = true;
 616        this.selected_item.down("span").update(this.default_text);
 617        this.show_search_field_default();
 618        evt.target.remove();
 619        if (typeof Event.simulate === 'function') {
 620          this.form_field.simulate("change");
 621        }
 622        if (this.active_field) {
 623          return this.results_hide();
 624        }
 625      };
 626      Chosen.prototype.result_select = function(evt) {
 627        var high, item, position;
 628        if (this.result_highlight) {
 629          high = this.result_highlight;
 630          this.result_clear_highlight();
 631          if (this.is_multiple) {
 632            this.result_deactivate(high);
 633          } else {
 634            this.search_results.descendants(".result-selected").invoke("removeClassName", "result-selected");
 635            this.result_single_selected = high;
 636          }
 637          high.addClassName("result-selected");
 638          position = high.id.substr(high.id.lastIndexOf("_") + 1);
 639          item = this.results_data[position];
 640          item.selected = true;
 641          this.form_field.options[item.options_index].selected = true;
 642          if (this.is_multiple) {
 643            this.choice_build(item);
 644          } else {
 645            this.selected_item.down("span").update(item.html);
 646            if (this.allow_single_deselect) {
 647              this.single_deselect_control_build();
 648            }
 649          }
 650          if (!(evt.metaKey && this.is_multiple)) {
 651            this.results_hide();
 652          }
 653          this.search_field.value = "";
 654          if (typeof Event.simulate === 'function') {
 655            this.form_field.simulate("change");
 656          }
 657          return this.search_field_scale();
 658        }
 659      };
 660      Chosen.prototype.result_activate = function(el) {
 661        return el.addClassName("active-result");
 662      };
 663      Chosen.prototype.result_deactivate = function(el) {
 664        return el.removeClassName("active-result");
 665      };
 666      Chosen.prototype.result_deselect = function(pos) {
 667        var result, result_data;
 668        result_data = this.results_data[pos];
 669        result_data.selected = false;
 670        this.form_field.options[result_data.options_index].selected = false;
 671        result = $(this.container_id + "_o_" + pos);
 672        result.removeClassName("result-selected").addClassName("active-result").show();
 673        this.result_clear_highlight();
 674        this.winnow_results();
 675        if (typeof Event.simulate === 'function') {
 676          this.form_field.simulate("change");
 677        }
 678        return this.search_field_scale();
 679      };
 680      Chosen.prototype.single_deselect_control_build = function() {
 681        if (this.allow_single_deselect && !this.selected_item.down("abbr")) {
 682          return this.selected_item.down("span").insert({
 683            after: "<abbr class=\"search-choice-close\"></abbr>"
 684          });
 685        }
 686      };
 687      Chosen.prototype.winnow_results = function() {
 688        var found, option, part, parts, regex, result_id, results, searchText, startpos, text, zregex, _i, _j, _len, _len2, _ref;
 689        this.no_results_clear();
 690        results = 0;
 691        searchText = this.search_field.value === this.default_text ? "" : this.search_field.value.strip().escapeHTML();
 692        regex = new RegExp('^' + searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i');
 693        zregex = new RegExp(searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i');
 694        _ref = this.results_data;
 695        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
 696          option = _ref[_i];
 697          if (!option.disabled && !option.empty) {
 698            if (option.group) {
 699              $(option.dom_id).hide();
 700            } else if (!(this.is_multiple && option.selected)) {
 701              found = false;
 702              result_id = option.dom_id;
 703              if (regex.test(option.html)) {
 704                found = true;
 705                results += 1;
 706              } else if (option.html.indexOf(" ") >= 0 || option.html.indexOf("[") === 0) {
 707                parts = option.html.replace(/\[|\]/g, "").split(" ");
 708                if (parts.length) {
 709                  for (_j = 0, _len2 = parts.length; _j < _len2; _j++) {
 710                    part = parts[_j];
 711                    if (regex.test(part)) {
 712                      found = true;
 713                      results += 1;
 714                    }
 715                  }
 716                }
 717              }
 718              if (found) {
 719                if (searchText.length) {
 720                  startpos = option.html.search(zregex);
 721                  text = option.html.substr(0, startpos + searchText.length) + '</em>' + option.html.substr(startpos + searchText.length);
 722                  text = text.substr(0, startpos) + '<em>' + text.substr(startpos);
 723                } else {
 724                  text = option.html;
 725                }
 726                if ($(result_id).innerHTML !== text) {
 727                  $(result_id).update(text);
 728                }
 729                this.result_activate($(result_id));
 730                if (option.group_array_index != null) {
 731                  $(this.results_data[option.group_array_index].dom_id).setStyle({
 732                    display: 'list-item'
 733                  });
 734                }
 735              } else {
 736                if ($(result_id) === this.result_highlight) {
 737                  this.result_clear_highlight();
 738                }
 739                this.result_deactivate($(result_id));
 740              }
 741            }
 742          }
 743        }
 744        if (results < 1 && searchText.length) {
 745          return this.no_results(searchText);
 746        } else {
 747          return this.winnow_results_set_highlight();
 748        }
 749      };
 750      Chosen.prototype.winnow_results_clear = function() {
 751        var li, lis, _i, _len, _results;
 752        this.search_field.clear();
 753        lis = this.search_results.select("li");
 754        _results = [];
 755        for (_i = 0, _len = lis.length; _i < _len; _i++) {
 756          li = lis[_i];
 757          _results.push(li.hasClassName("group-result") ? li.show() : !this.is_multiple || !li.hasClassName("result-selected") ? this.result_activate(li) : void 0);
 758        }
 759        return _results;
 760      };
 761      Chosen.prototype.winnow_results_set_highlight = function() {
 762        var do_high;
 763        if (!this.result_highlight) {
 764          if (!this.is_multiple) {
 765            do_high = this.search_results.down(".result-selected.active-result");
 766          }
 767          if (!(do_high != null)) {
 768            do_high = this.search_results.down(".active-result");
 769          }
 770          if (do_high != null) {
 771            return this.result_do_highlight(do_high);
 772          }
 773        }
 774      };
 775      Chosen.prototype.no_results = function(terms) {
 776        return this.search_results.insert(this.no_results_temp.evaluate({
 777          terms: terms
 778        }));
 779      };
 780      Chosen.prototype.no_results_clear = function() {
 781        var nr, _results;
 782        nr = null;
 783        _results = [];
 784        while (nr = this.search_results.down(".no-results")) {
 785          _results.push(nr.remove());
 786        }
 787        return _results;
 788      };
 789      Chosen.prototype.keydown_arrow = function() {
 790        var actives, nexts, sibs;
 791        actives = this.search_results.select("li.active-result");
 792        if (actives.length) {
 793          if (!this.result_highlight) {
 794            this.result_do_highlight(actives.first());
 795          } else if (this.results_showing) {
 796            sibs = this.result_highlight.nextSiblings();
 797            nexts = sibs.intersect(actives);
 798            if (nexts.length) {
 799              this.result_do_highlight(nexts.first());
 800            }
 801          }
 802          if (!this.results_showing) {
 803            return this.results_show();
 804          }
 805        }
 806      };
 807      Chosen.prototype.keyup_arrow = function() {
 808        var actives, prevs, sibs;
 809        if (!this.results_showing && !this.is_multiple) {
 810          return this.results_show();
 811        } else if (this.result_highlight) {
 812          sibs = this.result_highlight.previousSiblings();
 813          actives = this.search_results.select("li.active-result");
 814          prevs = sibs.intersect(actives);
 815          if (prevs.length) {
 816            return this.result_do_highlight(prevs.first());
 817          } else {
 818            if (this.choices > 0) {
 819              this.results_hide();
 820            }
 821            return this.result_clear_highlight();
 822          }
 823        }
 824      };
 825      Chosen.prototype.keydown_backstroke = function() {
 826        if (this.pending_backstroke) {
 827          this.choice_destroy(this.pending_backstroke.down("a"));
 828          return this.clear_backstroke();
 829        } else {
 830          this.pending_backstroke = this.search_container.siblings("li.search-choice").last();
 831          return this.pending_backstroke.addClassName("search-choice-focus");
 832        }
 833      };
 834      Chosen.prototype.clear_backstroke = function() {
 835        if (this.pending_backstroke) {
 836          this.pending_backstroke.removeClassName("search-choice-focus");
 837        }
 838        return this.pending_backstroke = null;
 839      };
 840      Chosen.prototype.keydown_checker = function(evt) {
 841        var stroke, _ref;
 842        stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
 843        this.search_field_scale();
 844        if (stroke !== 8 && this.pending_backstroke) {
 845          this.clear_backstroke();
 846        }
 847        switch (stroke) {
 848          case 8:
 849            this.backstroke_length = this.search_field.value.length;
 850            break;
 851          case 9:
 852            if (this.results_showing && !this.is_multiple) {
 853              this.result_select(evt);
 854            }
 855            this.mouse_on_container = false;
 856            break;
 857          case 13:
 858            evt.preventDefault();
 859            break;
 860          case 38:
 861            evt.preventDefault();
 862            this.keyup_arrow();
 863            break;
 864          case 40:
 865            this.keydown_arrow();
 866            break;
 867        }
 868      };
 869      Chosen.prototype.search_field_scale = function() {
 870        var dd_top, div, h, style, style_block, styles, w, _i, _len;
 871        if (this.is_multiple) {
 872          h = 0;
 873          w = 0;
 874          style_block = "position:absolute; left: -1000px; top: -1000px; display:none;";
 875          styles = ['font-size', 'font-style', 'font-weight', 'font-family', 'line-height', 'text-transform', 'letter-spacing'];
 876          for (_i = 0, _len = styles.length; _i < _len; _i++) {
 877            style = styles[_i];
 878            style_block += style + ":" + this.search_field.getStyle(style) + ";";
 879          }
 880          div = new Element('div', {
 881            'style': style_block
 882          }).update(this.search_field.value.escapeHTML());
 883          document.body.appendChild(div);
 884          w = Element.measure(div, 'width') + 25;
 885          div.remove();
 886          if (w > this.f_width - 10) {
 887            w = this.f_width - 10;
 888          }
 889          this.search_field.setStyle({
 890            'width': w + 'px'
 891          });
 892          dd_top = this.container.getHeight();
 893          return this.dropdown.setStyle({
 894            "top": dd_top + "px"
 895          });
 896        }
 897      };
 898      return Chosen;
 899    })();
 900    root.Chosen = Chosen;
 901    if (Prototype.Browser.IE) {
 902      if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) {
 903        Prototype.BrowserFeatures['Version'] = new Number(RegExp.$1);
 904      }
 905    }
 906    get_side_border_padding = function(elmt) {
 907      var layout, side_border_padding;
 908      layout = new Element.Layout(elmt);
 909      return side_border_padding = layout.get("border-left") + layout.get("border-right") + layout.get("padding-left") + layout.get("padding-right");
 910    };
 911    root.get_side_border_padding = get_side_border_padding;
 912  }).call(this);


Generated: Fri Nov 28 20:08:37 2014 Cross-referenced by PHPXref 0.7.1