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1
/*!
2
Chosen, a Select Box Enhancer for jQuery and Prototype
3
by Patrick Filler for Harvest, http://getharvest.com
4

    
5
Version 1.4.2
6
Full source at https://github.com/harvesthq/chosen
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Copyright (c) 2011-2015 Harvest http://getharvest.com
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9
MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
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This file is generated by `grunt build`, do not edit it by hand.
11
*/
12

    
13
(function() {
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  var $, AbstractChosen, Chosen, SelectParser, _ref,
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    __hasProp = {}.hasOwnProperty,
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    __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; };
17

    
18
  SelectParser = (function() {
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    function SelectParser() {
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      this.options_index = 0;
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      this.parsed = [];
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    }
23

    
24
    SelectParser.prototype.add_node = function(child) {
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      if (child.nodeName.toUpperCase() === "OPTGROUP") {
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        return this.add_group(child);
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      } else {
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        return this.add_option(child);
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      }
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    };
31

    
32
    SelectParser.prototype.add_group = function(group) {
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      var group_position, option, _i, _len, _ref, _results;
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      group_position = this.parsed.length;
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      this.parsed.push({
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        array_index: group_position,
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        group: true,
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        label: this.escapeExpression(group.label),
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        title: group.title ? group.title : void 0,
40
        children: 0,
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        disabled: group.disabled,
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        classes: group.className
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      });
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      _ref = group.childNodes;
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      _results = [];
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      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
47
        option = _ref[_i];
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        _results.push(this.add_option(option, group_position, group.disabled));
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      }
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      return _results;
51
    };
52

    
53
    SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
54
      if (option.nodeName.toUpperCase() === "OPTION") {
55
        if (option.text !== "") {
56
          if (group_position != null) {
57
            this.parsed[group_position].children += 1;
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          }
59
          this.parsed.push({
60
            array_index: this.parsed.length,
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            options_index: this.options_index,
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            value: option.value,
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            text: option.text,
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            html: option.innerHTML,
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            title: option.title ? option.title : void 0,
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            selected: option.selected,
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            disabled: group_disabled === true ? group_disabled : option.disabled,
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            group_array_index: group_position,
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            group_label: group_position != null ? this.parsed[group_position].label : null,
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            classes: option.className,
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            style: option.style.cssText
72
          });
73
        } else {
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          this.parsed.push({
75
            array_index: this.parsed.length,
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            options_index: this.options_index,
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            empty: true
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          });
79
        }
80
        return this.options_index += 1;
81
      }
82
    };
83

    
84
    SelectParser.prototype.escapeExpression = function(text) {
85
      var map, unsafe_chars;
86
      if ((text == null) || text === false) {
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        return "";
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      }
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      if (!/[\&\<\>\"\'\`]/.test(text)) {
90
        return text;
91
      }
92
      map = {
93
        "<": "&lt;",
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        ">": "&gt;",
95
        '"': "&quot;",
96
        "'": "&#x27;",
97
        "`": "&#x60;"
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      };
99
      unsafe_chars = /&(?!\w+;)|[\<\>\"\'\`]/g;
100
      return text.replace(unsafe_chars, function(chr) {
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        return map[chr] || "&amp;";
102
      });
103
    };
104

    
105
    return SelectParser;
106

    
107
  })();
108

    
109
  SelectParser.select_to_array = function(select) {
110
    var child, parser, _i, _len, _ref;
111
    parser = new SelectParser();
112
    _ref = select.childNodes;
113
    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
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      child = _ref[_i];
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      parser.add_node(child);
116
    }
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    return parser.parsed;
118
  };
119

    
120
  AbstractChosen = (function() {
121
    function AbstractChosen(form_field, options) {
122
      this.form_field = form_field;
123
      this.options = options != null ? options : {};
124
      if (!AbstractChosen.browser_is_supported()) {
125
        return;
126
      }
127
      this.is_multiple = this.form_field.multiple;
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      this.set_default_text();
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      this.set_default_values();
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      this.setup();
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      this.set_up_html();
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      this.register_observers();
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      this.on_ready();
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    }
135

    
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    AbstractChosen.prototype.set_default_values = function() {
137
      var _this = this;
138
      this.click_test_action = function(evt) {
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        return _this.test_active_click(evt);
140
      };
141
      this.activate_action = function(evt) {
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        return _this.activate_field(evt);
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      };
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      this.active_field = false;
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      this.mouse_on_container = false;
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      this.results_showing = false;
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      this.result_highlighted = null;
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      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;
149
      this.disable_search_threshold = this.options.disable_search_threshold || 0;
150
      this.disable_search = this.options.disable_search || false;
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      this.enable_split_word_search = this.options.enable_split_word_search != null ? this.options.enable_split_word_search : true;
152
      this.group_search = this.options.group_search != null ? this.options.group_search : true;
153
      this.search_contains = this.options.search_contains || false;
154
      this.single_backstroke_delete = this.options.single_backstroke_delete != null ? this.options.single_backstroke_delete : true;
155
      this.max_selected_options = this.options.max_selected_options || Infinity;
156
      this.inherit_select_classes = this.options.inherit_select_classes || false;
157
      this.display_selected_options = this.options.display_selected_options != null ? this.options.display_selected_options : true;
158
      this.display_disabled_options = this.options.display_disabled_options != null ? this.options.display_disabled_options : true;
159
      return this.include_group_label_in_selected = this.options.include_group_label_in_selected || false;
160
    };
161

    
162
    AbstractChosen.prototype.set_default_text = function() {
163
      if (this.form_field.getAttribute("data-placeholder")) {
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        this.default_text = this.form_field.getAttribute("data-placeholder");
165
      } else if (this.is_multiple) {
166
        this.default_text = this.options.placeholder_text_multiple || this.options.placeholder_text || AbstractChosen.default_multiple_text;
167
      } else {
168
        this.default_text = this.options.placeholder_text_single || this.options.placeholder_text || AbstractChosen.default_single_text;
169
      }
170
      return this.results_none_found = this.form_field.getAttribute("data-no_results_text") || this.options.no_results_text || AbstractChosen.default_no_result_text;
171
    };
172

    
173
    AbstractChosen.prototype.choice_label = function(item) {
174
      if (this.include_group_label_in_selected && (item.group_label != null)) {
175
        return "<b class='group-name'>" + item.group_label + "</b>" + item.html;
176
      } else {
177
        return item.html;
178
      }
179
    };
180

    
181
    AbstractChosen.prototype.mouse_enter = function() {
182
      return this.mouse_on_container = true;
183
    };
184

    
185
    AbstractChosen.prototype.mouse_leave = function() {
186
      return this.mouse_on_container = false;
187
    };
188

    
189
    AbstractChosen.prototype.input_focus = function(evt) {
190
      var _this = this;
191
      if (this.is_multiple) {
192
        if (!this.active_field) {
193
          return setTimeout((function() {
194
            return _this.container_mousedown();
195
          }), 50);
196
        }
197
      } else {
198
        if (!this.active_field) {
199
          return this.activate_field();
200
        }
201
      }
202
    };
203

    
204
    AbstractChosen.prototype.input_blur = function(evt) {
205
      var _this = this;
206
      if (!this.mouse_on_container) {
207
        this.active_field = false;
208
        return setTimeout((function() {
209
          return _this.blur_test();
210
        }), 100);
211
      }
212
    };
213

    
214
    AbstractChosen.prototype.results_option_build = function(options) {
215
      var content, data, _i, _len, _ref;
216
      content = '';
217
      _ref = this.results_data;
218
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
219
        data = _ref[_i];
220
        if (data.group) {
221
          content += this.result_add_group(data);
222
        } else {
223
          content += this.result_add_option(data);
224
        }
225
        if (options != null ? options.first : void 0) {
226
          if (data.selected && this.is_multiple) {
227
            this.choice_build(data);
228
          } else if (data.selected && !this.is_multiple) {
229
            this.single_set_selected_text(this.choice_label(data));
230
          }
231
        }
232
      }
233
      return content;
234
    };
235

    
236
    AbstractChosen.prototype.result_add_option = function(option) {
237
      var classes, option_el;
238
      if (!option.search_match) {
239
        return '';
240
      }
241
      if (!this.include_option_in_results(option)) {
242
        return '';
243
      }
244
      classes = [];
245
      if (!option.disabled && !(option.selected && this.is_multiple)) {
246
        classes.push("active-result");
247
      }
248
      if (option.disabled && !(option.selected && this.is_multiple)) {
249
        classes.push("disabled-result");
250
      }
251
      if (option.selected) {
252
        classes.push("result-selected");
253
      }
254
      if (option.group_array_index != null) {
255
        classes.push("group-option");
256
      }
257
      if (option.classes !== "") {
258
        classes.push(option.classes);
259
      }
260
      option_el = document.createElement("li");
261
      option_el.className = classes.join(" ");
262
      option_el.style.cssText = option.style;
263
      option_el.setAttribute("data-option-array-index", option.array_index);
264
      option_el.innerHTML = option.search_text;
265
      if (option.title) {
266
        option_el.title = option.title;
267
      }
268
      return this.outerHTML(option_el);
269
    };
270

    
271
    AbstractChosen.prototype.result_add_group = function(group) {
272
      var classes, group_el;
273
      if (!(group.search_match || group.group_match)) {
274
        return '';
275
      }
276
      if (!(group.active_options > 0)) {
277
        return '';
278
      }
279
      classes = [];
280
      classes.push("group-result");
281
      if (group.classes) {
282
        classes.push(group.classes);
283
      }
284
      group_el = document.createElement("li");
285
      group_el.className = classes.join(" ");
286
      group_el.innerHTML = group.search_text;
287
      if (group.title) {
288
        group_el.title = group.title;
289
      }
290
      return this.outerHTML(group_el);
291
    };
292

    
293
    AbstractChosen.prototype.results_update_field = function() {
294
      this.set_default_text();
295
      if (!this.is_multiple) {
296
        this.results_reset_cleanup();
297
      }
298
      this.result_clear_highlight();
299
      this.results_build();
300
      if (this.results_showing) {
301
        return this.winnow_results();
302
      }
303
    };
304

    
305
    AbstractChosen.prototype.reset_single_select_options = function() {
306
      var result, _i, _len, _ref, _results;
307
      _ref = this.results_data;
308
      _results = [];
309
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
310
        result = _ref[_i];
311
        if (result.selected) {
312
          _results.push(result.selected = false);
313
        } else {
314
          _results.push(void 0);
315
        }
316
      }
317
      return _results;
318
    };
319

    
320
    AbstractChosen.prototype.results_toggle = function() {
321
      if (this.results_showing) {
322
        return this.results_hide();
323
      } else {
324
        return this.results_show();
325
      }
326
    };
327

    
328
    AbstractChosen.prototype.results_search = function(evt) {
329
      if (this.results_showing) {
330
        return this.winnow_results();
331
      } else {
332
        return this.results_show();
333
      }
334
    };
335

    
336
    AbstractChosen.prototype.winnow_results = function() {
337
      var escapedSearchText, option, regex, results, results_group, searchText, startpos, text, zregex, _i, _len, _ref;
338
      this.no_results_clear();
339
      results = 0;
340
      searchText = this.get_search_text();
341
      escapedSearchText = searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
342
      zregex = new RegExp(escapedSearchText, 'i');
343
      regex = this.get_search_regex(escapedSearchText);
344
      _ref = this.results_data;
345
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
346
        option = _ref[_i];
347
        option.search_match = false;
348
        results_group = null;
349
        if (this.include_option_in_results(option)) {
350
          if (option.group) {
351
            option.group_match = false;
352
            option.active_options = 0;
353
          }
354
          if ((option.group_array_index != null) && this.results_data[option.group_array_index]) {
355
            results_group = this.results_data[option.group_array_index];
356
            if (results_group.active_options === 0 && results_group.search_match) {
357
              results += 1;
358
            }
359
            results_group.active_options += 1;
360
          }
361
          option.search_text = option.group ? option.label : option.html;
362
          if (!(option.group && !this.group_search)) {
363
            option.search_match = this.search_string_match(option.search_text, regex);
364
            if (option.search_match && !option.group) {
365
              results += 1;
366
            }
367
            if (option.search_match) {
368
              if (searchText.length) {
369
                startpos = option.search_text.search(zregex);
370
                text = option.search_text.substr(0, startpos + searchText.length) + '</em>' + option.search_text.substr(startpos + searchText.length);
371
                option.search_text = text.substr(0, startpos) + '<em>' + text.substr(startpos);
372
              }
373
              if (results_group != null) {
374
                results_group.group_match = true;
375
              }
376
            } else if ((option.group_array_index != null) && this.results_data[option.group_array_index].search_match) {
377
              option.search_match = true;
378
            }
379
          }
380
        }
381
      }
382
      this.result_clear_highlight();
383
      if (results < 1 && searchText.length) {
384
        this.update_results_content("");
385
        return this.no_results(searchText);
386
      } else {
387
        this.update_results_content(this.results_option_build());
388
        return this.winnow_results_set_highlight();
389
      }
390
    };
391

    
392
    AbstractChosen.prototype.get_search_regex = function(escaped_search_string) {
393
      var regex_anchor;
394
      regex_anchor = this.search_contains ? "" : "^";
395
      return new RegExp(regex_anchor + escaped_search_string, 'i');
396
    };
397

    
398
    AbstractChosen.prototype.search_string_match = function(search_string, regex) {
399
      var part, parts, _i, _len;
400
      if (regex.test(search_string)) {
401
        return true;
402
      } else if (this.enable_split_word_search && (search_string.indexOf(" ") >= 0 || search_string.indexOf("[") === 0)) {
403
        parts = search_string.replace(/\[|\]/g, "").split(" ");
404
        if (parts.length) {
405
          for (_i = 0, _len = parts.length; _i < _len; _i++) {
406
            part = parts[_i];
407
            if (regex.test(part)) {
408
              return true;
409
            }
410
          }
411
        }
412
      }
413
    };
414

    
415
    AbstractChosen.prototype.choices_count = function() {
416
      var option, _i, _len, _ref;
417
      if (this.selected_option_count != null) {
418
        return this.selected_option_count;
419
      }
420
      this.selected_option_count = 0;
421
      _ref = this.form_field.options;
422
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
423
        option = _ref[_i];
424
        if (option.selected) {
425
          this.selected_option_count += 1;
426
        }
427
      }
428
      return this.selected_option_count;
429
    };
430

    
431
    AbstractChosen.prototype.choices_click = function(evt) {
432
      evt.preventDefault();
433
      if (!(this.results_showing || this.is_disabled)) {
434
        return this.results_show();
435
      }
436
    };
437

    
438
    AbstractChosen.prototype.keyup_checker = function(evt) {
439
      var stroke, _ref;
440
      stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
441
      this.search_field_scale();
442
      switch (stroke) {
443
        case 8:
444
          if (this.is_multiple && this.backstroke_length < 1 && this.choices_count() > 0) {
445
            return this.keydown_backstroke();
446
          } else if (!this.pending_backstroke) {
447
            this.result_clear_highlight();
448
            return this.results_search();
449
          }
450
          break;
451
        case 13:
452
          evt.preventDefault();
453
          if (this.results_showing) {
454
            return this.result_select(evt);
455
          }
456
          break;
457
        case 27:
458
          if (this.results_showing) {
459
            this.results_hide();
460
          }
461
          return true;
462
        case 9:
463
        case 38:
464
        case 40:
465
        case 16:
466
        case 91:
467
        case 17:
468
          break;
469
        default:
470
          return this.results_search();
471
      }
472
    };
473

    
474
    AbstractChosen.prototype.clipboard_event_checker = function(evt) {
475
      var _this = this;
476
      return setTimeout((function() {
477
        return _this.results_search();
478
      }), 50);
479
    };
480

    
481
    AbstractChosen.prototype.container_width = function() {
482
      if (this.options.width != null) {
483
        return this.options.width;
484
      } else {
485
        return "" + this.form_field.offsetWidth + "px";
486
      }
487
    };
488

    
489
    AbstractChosen.prototype.include_option_in_results = function(option) {
490
      if (this.is_multiple && (!this.display_selected_options && option.selected)) {
491
        return false;
492
      }
493
      if (!this.display_disabled_options && option.disabled) {
494
        return false;
495
      }
496
      if (option.empty) {
497
        return false;
498
      }
499
      return true;
500
    };
501

    
502
    AbstractChosen.prototype.search_results_touchstart = function(evt) {
503
      this.touch_started = true;
504
      return this.search_results_mouseover(evt);
505
    };
506

    
507
    AbstractChosen.prototype.search_results_touchmove = function(evt) {
508
      this.touch_started = false;
509
      return this.search_results_mouseout(evt);
510
    };
511

    
512
    AbstractChosen.prototype.search_results_touchend = function(evt) {
513
      if (this.touch_started) {
514
        return this.search_results_mouseup(evt);
515
      }
516
    };
517

    
518
    AbstractChosen.prototype.outerHTML = function(element) {
519
      var tmp;
520
      if (element.outerHTML) {
521
        return element.outerHTML;
522
      }
523
      tmp = document.createElement("div");
524
      tmp.appendChild(element);
525
      return tmp.innerHTML;
526
    };
527

    
528
    AbstractChosen.browser_is_supported = function() {
529
      if (window.navigator.appName === "Microsoft Internet Explorer") {
530
        return document.documentMode >= 8;
531
      }
532
      if (/iP(od|hone)/i.test(window.navigator.userAgent)) {
533
        return false;
534
      }
535
      if (/Android/i.test(window.navigator.userAgent)) {
536
        if (/Mobile/i.test(window.navigator.userAgent)) {
537
          return false;
538
        }
539
      }
540
      return true;
541
    };
542

    
543
    AbstractChosen.default_multiple_text = "Select Some Options";
544

    
545
    AbstractChosen.default_single_text = "Select an Option";
546

    
547
    AbstractChosen.default_no_result_text = "No results match";
548

    
549
    return AbstractChosen;
550

    
551
  })();
552

    
553
  $ = jQuery;
554

    
555
  $.fn.extend({
556
    chosen: function(options) {
557
      if (!AbstractChosen.browser_is_supported()) {
558
        return this;
559
      }
560
      return this.each(function(input_field) {
561
        var $this, chosen;
562
        $this = $(this);
563
        chosen = $this.data('chosen');
564
        if (options === 'destroy' && chosen instanceof Chosen) {
565
          chosen.destroy();
566
        } else if (!(chosen instanceof Chosen)) {
567
          $this.data('chosen', new Chosen(this, options));
568
        }
569
      });
570
    }
571
  });
572

    
573
  Chosen = (function(_super) {
574
    __extends(Chosen, _super);
575

    
576
    function Chosen() {
577
      _ref = Chosen.__super__.constructor.apply(this, arguments);
578
      return _ref;
579
    }
580

    
581
    Chosen.prototype.setup = function() {
582
      this.form_field_jq = $(this.form_field);
583
      this.current_selectedIndex = this.form_field.selectedIndex;
584
      return this.is_rtl = this.form_field_jq.hasClass("chosen-rtl");
585
    };
586

    
587
    Chosen.prototype.set_up_html = function() {
588
      var container_classes, container_props;
589
      container_classes = ["chosen-container"];
590
      container_classes.push("chosen-container-" + (this.is_multiple ? "multi" : "single"));
591
      if (this.inherit_select_classes && this.form_field.className) {
592
        container_classes.push(this.form_field.className);
593
      }
594
      if (this.is_rtl) {
595
        container_classes.push("chosen-rtl");
596
      }
597
      container_props = {
598
        'class': container_classes.join(' '),
599
        'style': "width: " + (this.container_width()) + ";",
600
        'title': this.form_field.title
601
      };
602
      if (this.form_field.id.length) {
603
        container_props.id = this.form_field.id.replace(/[^\w]/g, '_') + "_chosen";
604
      }
605
      this.container = $("<div />", container_props);
606
      if (this.is_multiple) {
607
        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>');
608
      } else {
609
        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>');
610
      }
611
      this.form_field_jq.hide().after(this.container);
612
      this.dropdown = this.container.find('div.chosen-drop').first();
613
      this.search_field = this.container.find('input').first();
614
      this.search_results = this.container.find('ul.chosen-results').first();
615
      this.search_field_scale();
616
      this.search_no_results = this.container.find('li.no-results').first();
617
      if (this.is_multiple) {
618
        this.search_choices = this.container.find('ul.chosen-choices').first();
619
        this.search_container = this.container.find('li.search-field').first();
620
      } else {
621
        this.search_container = this.container.find('div.chosen-search').first();
622
        this.selected_item = this.container.find('.chosen-single').first();
623
      }
624
      this.results_build();
625
      this.set_tab_index();
626
      return this.set_label_behavior();
627
    };
628

    
629
    Chosen.prototype.on_ready = function() {
630
      return this.form_field_jq.trigger("chosen:ready", {
631
        chosen: this
632
      });
633
    };
634

    
635
    Chosen.prototype.register_observers = function() {
636
      var _this = this;
637
      this.container.bind('touchstart.chosen', function(evt) {
638
        _this.container_mousedown(evt);
639
        return evt.preventDefault();
640
      });
641
      this.container.bind('touchend.chosen', function(evt) {
642
        _this.container_mouseup(evt);
643
        return evt.preventDefault();
644
      });
645
      this.container.bind('mousedown.chosen', function(evt) {
646
        _this.container_mousedown(evt);
647
      });
648
      this.container.bind('mouseup.chosen', function(evt) {
649
        _this.container_mouseup(evt);
650
      });
651
      this.container.bind('mouseenter.chosen', function(evt) {
652
        _this.mouse_enter(evt);
653
      });
654
      this.container.bind('mouseleave.chosen', function(evt) {
655
        _this.mouse_leave(evt);
656
      });
657
      this.search_results.bind('mouseup.chosen', function(evt) {
658
        _this.search_results_mouseup(evt);
659
      });
660
      this.search_results.bind('mouseover.chosen', function(evt) {
661
        _this.search_results_mouseover(evt);
662
      });
663
      this.search_results.bind('mouseout.chosen', function(evt) {
664
        _this.search_results_mouseout(evt);
665
      });
666
      this.search_results.bind('mousewheel.chosen DOMMouseScroll.chosen', function(evt) {
667
        _this.search_results_mousewheel(evt);
668
      });
669
      this.search_results.bind('touchstart.chosen', function(evt) {
670
        _this.search_results_touchstart(evt);
671
      });
672
      this.search_results.bind('touchmove.chosen', function(evt) {
673
        _this.search_results_touchmove(evt);
674
      });
675
      this.search_results.bind('touchend.chosen', function(evt) {
676
        _this.search_results_touchend(evt);
677
      });
678
      this.form_field_jq.bind("chosen:updated.chosen", function(evt) {
679
        _this.results_update_field(evt);
680
      });
681
      this.form_field_jq.bind("chosen:activate.chosen", function(evt) {
682
        _this.activate_field(evt);
683
      });
684
      this.form_field_jq.bind("chosen:open.chosen", function(evt) {
685
        _this.container_mousedown(evt);
686
      });
687
      this.form_field_jq.bind("chosen:close.chosen", function(evt) {
688
        _this.input_blur(evt);
689
      });
690
      this.search_field.bind('blur.chosen', function(evt) {
691
        _this.input_blur(evt);
692
      });
693
      this.search_field.bind('keyup.chosen', function(evt) {
694
        _this.keyup_checker(evt);
695
      });
696
      this.search_field.bind('keydown.chosen', function(evt) {
697
        _this.keydown_checker(evt);
698
      });
699
      this.search_field.bind('focus.chosen', function(evt) {
700
        _this.input_focus(evt);
701
      });
702
      this.search_field.bind('cut.chosen', function(evt) {
703
        _this.clipboard_event_checker(evt);
704
      });
705
      this.search_field.bind('paste.chosen', function(evt) {
706
        _this.clipboard_event_checker(evt);
707
      });
708
      if (this.is_multiple) {
709
        return this.search_choices.bind('click.chosen', function(evt) {
710
          _this.choices_click(evt);
711
        });
712
      } else {
713
        return this.container.bind('click.chosen', function(evt) {
714
          evt.preventDefault();
715
        });
716
      }
717
    };
718

    
719
    Chosen.prototype.destroy = function() {
720
      $(this.container[0].ownerDocument).unbind("click.chosen", this.click_test_action);
721
      if (this.search_field[0].tabIndex) {
722
        this.form_field_jq[0].tabIndex = this.search_field[0].tabIndex;
723
      }
724
      this.container.remove();
725
      this.form_field_jq.removeData('chosen');
726
      return this.form_field_jq.show();
727
    };
728

    
729
    Chosen.prototype.search_field_disabled = function() {
730
      this.is_disabled = this.form_field_jq[0].disabled;
731
      if (this.is_disabled) {
732
        this.container.addClass('chosen-disabled');
733
        this.search_field[0].disabled = true;
734
        if (!this.is_multiple) {
735
          this.selected_item.unbind("focus.chosen", this.activate_action);
736
        }
737
        return this.close_field();
738
      } else {
739
        this.container.removeClass('chosen-disabled');
740
        this.search_field[0].disabled = false;
741
        if (!this.is_multiple) {
742
          return this.selected_item.bind("focus.chosen", this.activate_action);
743
        }
744
      }
745
    };
746

    
747
    Chosen.prototype.container_mousedown = function(evt) {
748
      if (!this.is_disabled) {
749
        if (evt && evt.type === "mousedown" && !this.results_showing) {
750
          evt.preventDefault();
751
        }
752
        if (!((evt != null) && ($(evt.target)).hasClass("search-choice-close"))) {
753
          if (!this.active_field) {
754
            if (this.is_multiple) {
755
              this.search_field.val("");
756
            }
757
            $(this.container[0].ownerDocument).bind('click.chosen', this.click_test_action);
758
            this.results_show();
759
          } else if (!this.is_multiple && evt && (($(evt.target)[0] === this.selected_item[0]) || $(evt.target).parents("a.chosen-single").length)) {
760
            evt.preventDefault();
761
            this.results_toggle();
762
          }
763
          return this.activate_field();
764
        }
765
      }
766
    };
767

    
768
    Chosen.prototype.container_mouseup = function(evt) {
769
      if (evt.target.nodeName === "ABBR" && !this.is_disabled) {
770
        return this.results_reset(evt);
771
      }
772
    };
773

    
774
    Chosen.prototype.search_results_mousewheel = function(evt) {
775
      var delta;
776
      if (evt.originalEvent) {
777
        delta = evt.originalEvent.deltaY || -evt.originalEvent.wheelDelta || evt.originalEvent.detail;
778
      }
779
      if (delta != null) {
780
        evt.preventDefault();
781
        if (evt.type === 'DOMMouseScroll') {
782
          delta = delta * 40;
783
        }
784
        return this.search_results.scrollTop(delta + this.search_results.scrollTop());
785
      }
786
    };
787

    
788
    Chosen.prototype.blur_test = function(evt) {
789
      if (!this.active_field && this.container.hasClass("chosen-container-active")) {
790
        return this.close_field();
791
      }
792
    };
793

    
794
    Chosen.prototype.close_field = function() {
795
      $(this.container[0].ownerDocument).unbind("click.chosen", this.click_test_action);
796
      this.active_field = false;
797
      this.results_hide();
798
      this.container.removeClass("chosen-container-active");
799
      this.clear_backstroke();
800
      this.show_search_field_default();
801
      return this.search_field_scale();
802
    };
803

    
804
    Chosen.prototype.activate_field = function() {
805
      this.container.addClass("chosen-container-active");
806
      this.active_field = true;
807
      this.search_field.val(this.search_field.val());
808
      return this.search_field.focus();
809
    };
810

    
811
    Chosen.prototype.test_active_click = function(evt) {
812
      var active_container;
813
      active_container = $(evt.target).closest('.chosen-container');
814
      if (active_container.length && this.container[0] === active_container[0]) {
815
        return this.active_field = true;
816
      } else {
817
        return this.close_field();
818
      }
819
    };
820

    
821
    Chosen.prototype.results_build = function() {
822
      this.parsing = true;
823
      this.selected_option_count = null;
824
      this.results_data = SelectParser.select_to_array(this.form_field);
825
      if (this.is_multiple) {
826
        this.search_choices.find("li.search-choice").remove();
827
      } else if (!this.is_multiple) {
828
        this.single_set_selected_text();
829
        if (this.disable_search || this.form_field.options.length <= this.disable_search_threshold) {
830
          this.search_field[0].readOnly = true;
831
          this.container.addClass("chosen-container-single-nosearch");
832
        } else {
833
          this.search_field[0].readOnly = false;
834
          this.container.removeClass("chosen-container-single-nosearch");
835
        }
836
      }
837
      this.update_results_content(this.results_option_build({
838
        first: true
839
      }));
840
      this.search_field_disabled();
841
      this.show_search_field_default();
842
      this.search_field_scale();
843
      return this.parsing = false;
844
    };
845

    
846
    Chosen.prototype.result_do_highlight = function(el) {
847
      var high_bottom, high_top, maxHeight, visible_bottom, visible_top;
848
      if (el.length) {
849
        this.result_clear_highlight();
850
        this.result_highlight = el;
851
        this.result_highlight.addClass("highlighted");
852
        maxHeight = parseInt(this.search_results.css("maxHeight"), 10);
853
        visible_top = this.search_results.scrollTop();
854
        visible_bottom = maxHeight + visible_top;
855
        high_top = this.result_highlight.position().top + this.search_results.scrollTop();
856
        high_bottom = high_top + this.result_highlight.outerHeight();
857
        if (high_bottom >= visible_bottom) {
858
          return this.search_results.scrollTop((high_bottom - maxHeight) > 0 ? high_bottom - maxHeight : 0);
859
        } else if (high_top < visible_top) {
860
          return this.search_results.scrollTop(high_top);
861
        }
862
      }
863
    };
864

    
865
    Chosen.prototype.result_clear_highlight = function() {
866
      if (this.result_highlight) {
867
        this.result_highlight.removeClass("highlighted");
868
      }
869
      return this.result_highlight = null;
870
    };
871

    
872
    Chosen.prototype.results_show = function() {
873
      if (this.is_multiple && this.max_selected_options <= this.choices_count()) {
874
        this.form_field_jq.trigger("chosen:maxselected", {
875
          chosen: this
876
        });
877
        return false;
878
      }
879
      this.container.addClass("chosen-with-drop");
880
      this.results_showing = true;
881
      this.search_field.focus();
882
      this.search_field.val(this.search_field.val());
883
      this.winnow_results();
884
      return this.form_field_jq.trigger("chosen:showing_dropdown", {
885
        chosen: this
886
      });
887
    };
888

    
889
    Chosen.prototype.update_results_content = function(content) {
890
      return this.search_results.html(content);
891
    };
892

    
893
    Chosen.prototype.results_hide = function() {
894
      if (this.results_showing) {
895
        this.result_clear_highlight();
896
        this.container.removeClass("chosen-with-drop");
897
        this.form_field_jq.trigger("chosen:hiding_dropdown", {
898
          chosen: this
899
        });
900
      }
901
      return this.results_showing = false;
902
    };
903

    
904
    Chosen.prototype.set_tab_index = function(el) {
905
      var ti;
906
      if (this.form_field.tabIndex) {
907
        ti = this.form_field.tabIndex;
908
        this.form_field.tabIndex = -1;
909
        return this.search_field[0].tabIndex = ti;
910
      }
911
    };
912

    
913
    Chosen.prototype.set_label_behavior = function() {
914
      var _this = this;
915
      this.form_field_label = this.form_field_jq.parents("label");
916
      if (!this.form_field_label.length && this.form_field.id.length) {
917
        this.form_field_label = $("label[for='" + this.form_field.id + "']");
918
      }
919
      if (this.form_field_label.length > 0) {
920
        return this.form_field_label.bind('click.chosen', function(evt) {
921
          if (_this.is_multiple) {
922
            return _this.container_mousedown(evt);
923
          } else {
924
            return _this.activate_field();
925
          }
926
        });
927
      }
928
    };
929

    
930
    Chosen.prototype.show_search_field_default = function() {
931
      if (this.is_multiple && this.choices_count() < 1 && !this.active_field) {
932
        this.search_field.val(this.default_text);
933
        return this.search_field.addClass("default");
934
      } else {
935
        this.search_field.val("");
936
        return this.search_field.removeClass("default");
937
      }
938
    };
939

    
940
    Chosen.prototype.search_results_mouseup = function(evt) {
941
      var target;
942
      target = $(evt.target).hasClass("active-result") ? $(evt.target) : $(evt.target).parents(".active-result").first();
943
      if (target.length) {
944
        this.result_highlight = target;
945
        this.result_select(evt);
946
        return this.search_field.focus();
947
      }
948
    };
949

    
950
    Chosen.prototype.search_results_mouseover = function(evt) {
951
      var target;
952
      target = $(evt.target).hasClass("active-result") ? $(evt.target) : $(evt.target).parents(".active-result").first();
953
      if (target) {
954
        return this.result_do_highlight(target);
955
      }
956
    };
957

    
958
    Chosen.prototype.search_results_mouseout = function(evt) {
959
      if ($(evt.target).hasClass("active-result" || $(evt.target).parents('.active-result').first())) {
960
        return this.result_clear_highlight();
961
      }
962
    };
963

    
964
    Chosen.prototype.choice_build = function(item) {
965
      var choice, close_link,
966
        _this = this;
967
      choice = $('<li />', {
968
        "class": "search-choice"
969
      }).html("<span>" + (this.choice_label(item)) + "</span>");
970
      if (item.disabled) {
971
        choice.addClass('search-choice-disabled');
972
      } else {
973
        close_link = $('<a />', {
974
          "class": 'search-choice-close',
975
          'data-option-array-index': item.array_index
976
        });
977
        close_link.bind('click.chosen', function(evt) {
978
          return _this.choice_destroy_link_click(evt);
979
        });
980
        choice.append(close_link);
981
      }
982
      return this.search_container.before(choice);
983
    };
984

    
985
    Chosen.prototype.choice_destroy_link_click = function(evt) {
986
      evt.preventDefault();
987
      evt.stopPropagation();
988
      if (!this.is_disabled) {
989
        return this.choice_destroy($(evt.target));
990
      }
991
    };
992

    
993
    Chosen.prototype.choice_destroy = function(link) {
994
      if (this.result_deselect(link[0].getAttribute("data-option-array-index"))) {
995
        this.show_search_field_default();
996
        if (this.is_multiple && this.choices_count() > 0 && this.search_field.val().length < 1) {
997
          this.results_hide();
998
        }
999
        link.parents('li').first().remove();
1000
        return this.search_field_scale();
1001
      }
1002
    };
1003

    
1004
    Chosen.prototype.results_reset = function() {
1005
      this.reset_single_select_options();
1006
      this.form_field.options[0].selected = true;
1007
      this.single_set_selected_text();
1008
      this.show_search_field_default();
1009
      this.results_reset_cleanup();
1010
      this.form_field_jq.trigger("change");
1011
      if (this.active_field) {
1012
        return this.results_hide();
1013
      }
1014
    };
1015

    
1016
    Chosen.prototype.results_reset_cleanup = function() {
1017
      this.current_selectedIndex = this.form_field.selectedIndex;
1018
      return this.selected_item.find("abbr").remove();
1019
    };
1020

    
1021
    Chosen.prototype.result_select = function(evt) {
1022
      var high, item;
1023
      if (this.result_highlight) {
1024
        high = this.result_highlight;
1025
        this.result_clear_highlight();
1026
        if (this.is_multiple && this.max_selected_options <= this.choices_count()) {
1027
          this.form_field_jq.trigger("chosen:maxselected", {
1028
            chosen: this
1029
          });
1030
          return false;
1031
        }
1032
        if (this.is_multiple) {
1033
          high.removeClass("active-result");
1034
        } else {
1035
          this.reset_single_select_options();
1036
        }
1037
        high.addClass("result-selected");
1038
        item = this.results_data[high[0].getAttribute("data-option-array-index")];
1039
        item.selected = true;
1040
        this.form_field.options[item.options_index].selected = true;
1041
        this.selected_option_count = null;
1042
        if (this.is_multiple) {
1043
          this.choice_build(item);
1044
        } else {
1045
          this.single_set_selected_text(this.choice_label(item));
1046
        }
1047
        if (!((evt.metaKey || evt.ctrlKey) && this.is_multiple)) {
1048
          this.results_hide();
1049
        }
1050
        this.search_field.val("");
1051
        if (this.is_multiple || this.form_field.selectedIndex !== this.current_selectedIndex) {
1052
          this.form_field_jq.trigger("change", {
1053
            'selected': this.form_field.options[item.options_index].value
1054
          });
1055
        }
1056
        this.current_selectedIndex = this.form_field.selectedIndex;
1057
        evt.preventDefault();
1058
        return this.search_field_scale();
1059
      }
1060
    };
1061

    
1062
    Chosen.prototype.single_set_selected_text = function(text) {
1063
      if (text == null) {
1064
        text = this.default_text;
1065
      }
1066
      if (text === this.default_text) {
1067
        this.selected_item.addClass("chosen-default");
1068
      } else {
1069
        this.single_deselect_control_build();
1070
        this.selected_item.removeClass("chosen-default");
1071
      }
1072
      return this.selected_item.find("span").html(text);
1073
    };
1074

    
1075
    Chosen.prototype.result_deselect = function(pos) {
1076
      var result_data;
1077
      result_data = this.results_data[pos];
1078
      if (!this.form_field.options[result_data.options_index].disabled) {
1079
        result_data.selected = false;
1080
        this.form_field.options[result_data.options_index].selected = false;
1081
        this.selected_option_count = null;
1082
        this.result_clear_highlight();
1083
        if (this.results_showing) {
1084
          this.winnow_results();
1085
        }
1086
        this.form_field_jq.trigger("change", {
1087
          deselected: this.form_field.options[result_data.options_index].value
1088
        });
1089
        this.search_field_scale();
1090
        return true;
1091
      } else {
1092
        return false;
1093
      }
1094
    };
1095

    
1096
    Chosen.prototype.single_deselect_control_build = function() {
1097
      if (!this.allow_single_deselect) {
1098
        return;
1099
      }
1100
      if (!this.selected_item.find("abbr").length) {
1101
        this.selected_item.find("span").first().after("<abbr class=\"search-choice-close\"></abbr>");
1102
      }
1103
      return this.selected_item.addClass("chosen-single-with-deselect");
1104
    };
1105

    
1106
    Chosen.prototype.get_search_text = function() {
1107
      return $('<div/>').text($.trim(this.search_field.val())).html();
1108
    };
1109

    
1110
    Chosen.prototype.winnow_results_set_highlight = function() {
1111
      var do_high, selected_results;
1112
      selected_results = !this.is_multiple ? this.search_results.find(".result-selected.active-result") : [];
1113
      do_high = selected_results.length ? selected_results.first() : this.search_results.find(".active-result").first();
1114
      if (do_high != null) {
1115
        return this.result_do_highlight(do_high);
1116
      }
1117
    };
1118

    
1119
    Chosen.prototype.no_results = function(terms) {
1120
      var no_results_html;
1121
      no_results_html = $('<li class="no-results">' + this.results_none_found + ' "<span></span>"</li>');
1122
      no_results_html.find("span").first().html(terms);
1123
      this.search_results.append(no_results_html);
1124
      return this.form_field_jq.trigger("chosen:no_results", {
1125
        chosen: this
1126
      });
1127
    };
1128

    
1129
    Chosen.prototype.no_results_clear = function() {
1130
      return this.search_results.find(".no-results").remove();
1131
    };
1132

    
1133
    Chosen.prototype.keydown_arrow = function() {
1134
      var next_sib;
1135
      if (this.results_showing && this.result_highlight) {
1136
        next_sib = this.result_highlight.nextAll("li.active-result").first();
1137
        if (next_sib) {
1138
          return this.result_do_highlight(next_sib);
1139
        }
1140
      } else {
1141
        return this.results_show();
1142
      }
1143
    };
1144

    
1145
    Chosen.prototype.keyup_arrow = function() {
1146
      var prev_sibs;
1147
      if (!this.results_showing && !this.is_multiple) {
1148
        return this.results_show();
1149
      } else if (this.result_highlight) {
1150
        prev_sibs = this.result_highlight.prevAll("li.active-result");
1151
        if (prev_sibs.length) {
1152
          return this.result_do_highlight(prev_sibs.first());
1153
        } else {
1154
          if (this.choices_count() > 0) {
1155
            this.results_hide();
1156
          }
1157
          return this.result_clear_highlight();
1158
        }
1159
      }
1160
    };
1161

    
1162
    Chosen.prototype.keydown_backstroke = function() {
1163
      var next_available_destroy;
1164
      if (this.pending_backstroke) {
1165
        this.choice_destroy(this.pending_backstroke.find("a").first());
1166
        return this.clear_backstroke();
1167
      } else {
1168
        next_available_destroy = this.search_container.siblings("li.search-choice").last();
1169
        if (next_available_destroy.length && !next_available_destroy.hasClass("search-choice-disabled")) {
1170
          this.pending_backstroke = next_available_destroy;
1171
          if (this.single_backstroke_delete) {
1172
            return this.keydown_backstroke();
1173
          } else {
1174
            return this.pending_backstroke.addClass("search-choice-focus");
1175
          }
1176
        }
1177
      }
1178
    };
1179

    
1180
    Chosen.prototype.clear_backstroke = function() {
1181
      if (this.pending_backstroke) {
1182
        this.pending_backstroke.removeClass("search-choice-focus");
1183
      }
1184
      return this.pending_backstroke = null;
1185
    };
1186

    
1187
    Chosen.prototype.keydown_checker = function(evt) {
1188
      var stroke, _ref1;
1189
      stroke = (_ref1 = evt.which) != null ? _ref1 : evt.keyCode;
1190
      this.search_field_scale();
1191
      if (stroke !== 8 && this.pending_backstroke) {
1192
        this.clear_backstroke();
1193
      }
1194
      switch (stroke) {
1195
        case 8:
1196
          this.backstroke_length = this.search_field.val().length;
1197
          break;
1198
        case 9:
1199
          if (this.results_showing && !this.is_multiple) {
1200
            this.result_select(evt);
1201
          }
1202
          this.mouse_on_container = false;
1203
          break;
1204
        case 13:
1205
          if (this.results_showing) {
1206
            evt.preventDefault();
1207
          }
1208
          break;
1209
        case 32:
1210
          if (this.disable_search) {
1211
            evt.preventDefault();
1212
          }
1213
          break;
1214
        case 38:
1215
          evt.preventDefault();
1216
          this.keyup_arrow();
1217
          break;
1218
        case 40:
1219
          evt.preventDefault();
1220
          this.keydown_arrow();
1221
          break;
1222
      }
1223
    };
1224

    
1225
    Chosen.prototype.search_field_scale = function() {
1226
      var div, f_width, h, style, style_block, styles, w, _i, _len;
1227
      if (this.is_multiple) {
1228
        h = 0;
1229
        w = 0;
1230
        style_block = "position:absolute; left: -1000px; top: -1000px; display:none;";
1231
        styles = ['font-size', 'font-style', 'font-weight', 'font-family', 'line-height', 'text-transform', 'letter-spacing'];
1232
        for (_i = 0, _len = styles.length; _i < _len; _i++) {
1233
          style = styles[_i];
1234
          style_block += style + ":" + this.search_field.css(style) + ";";
1235
        }
1236
        div = $('<div />', {
1237
          'style': style_block
1238
        });
1239
        div.text(this.search_field.val());
1240
        $('body').append(div);
1241
        w = div.width() + 25;
1242
        div.remove();
1243
        f_width = this.container.outerWidth();
1244
        if (w > f_width - 10) {
1245
          w = f_width - 10;
1246
        }
1247
        return this.search_field.css({
1248
          'width': w + 'px'
1249
        });
1250
      }
1251
    };
1252

    
1253
    return Chosen;
1254

    
1255
  })(AbstractChosen);
1256

    
1257
}).call(this);
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