xref: /template/mikio/assets/mikio-typeahead.js (revision 9cff245b1356327ea6b78c7abc1d7a38b1dd3dd6)
1/* =============================================================
2 * bootstrap3-typeahead.js v4.0.2
3 * https://github.com/bassjobsen/Bootstrap-3-Typeahead
4 * =============================================================
5 * Original written by @mdo and @fat
6 * =============================================================
7 * Copyright 2014 Bass Jobsen @bassjobsen
8 *
9 * Licensed under the Apache License, Version 2.0 (the 'License');
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an 'AS IS' BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============================================================ */
21
22
23(function (root, factory) {
24
25    'use strict';
26
27    // CommonJS module is defined
28    if (typeof module !== 'undefined' && module.exports) {
29        module.exports = factory(require('jquery'));
30    }
31    // AMD module is defined
32    else if (typeof define === 'function' && define.amd) {
33        define(['jquery'], function ($) {
34            return factory($);
35        });
36    } else {
37        factory(root.jQuery);
38    }
39
40}(this, function ($) {
41
42    'use strict';
43    // jshint laxcomma: true
44
45
46    /* TYPEAHEAD PUBLIC CLASS DEFINITION
47     * ================================= */
48
49    var Typeahead = function (element, options) {
50        this.$element = $(element);
51        this.options = $.extend({}, Typeahead.defaults, options);
52        this.matcher = this.options.matcher || this.matcher;
53        this.sorter = this.options.sorter || this.sorter;
54        this.select = this.options.select || this.select;
55        this.autoSelect = typeof this.options.autoSelect == 'boolean' ? this.options.autoSelect : true;
56        this.highlighter = this.options.highlighter || this.highlighter;
57        this.render = this.options.render || this.render;
58        this.updater = this.options.updater || this.updater;
59        this.displayText = this.options.displayText || this.displayText;
60        this.itemLink = this.options.itemLink || this.itemLink;
61        this.itemTitle = this.options.itemTitle || this.itemTitle;
62        this.followLinkOnSelect = this.options.followLinkOnSelect || this.followLinkOnSelect;
63        this.source = this.options.source;
64        this.delay = this.options.delay;
65        this.theme = this.options.theme && this.options.themes && this.options.themes[this.options.theme] || Typeahead.defaults.themes[Typeahead.defaults.theme];
66        this.$menu = $(this.options.menu || this.theme.menu);
67        this.$appendTo = this.options.appendTo ? $(this.options.appendTo) : null;
68        this.fitToElement = typeof this.options.fitToElement == 'boolean' ? this.options.fitToElement : false;
69        this.shown = false;
70        this.listen();
71        this.showHintOnFocus = typeof this.options.showHintOnFocus == 'boolean' || this.options.showHintOnFocus === 'all' ? this.options.showHintOnFocus : false;
72        this.afterSelect = this.options.afterSelect;
73        this.afterEmptySelect = this.options.afterEmptySelect;
74        this.addItem = false;
75        this.value = this.$element.val() || this.$element.text();
76        this.keyPressed = false;
77        this.focused = this.$element.is(':focus');
78        this.changeInputOnSelect = this.options.changeInputOnSelect || this.changeInputOnSelect;
79        this.changeInputOnMove = this.options.changeInputOnMove || this.changeInputOnMove;
80        this.openLinkInNewTab = this.options.openLinkInNewTab || this.openLinkInNewTab;
81        this.selectOnBlur = this.options.selectOnBlur || this.selectOnBlur;
82        this.showCategoryHeader = this.options.showCategoryHeader || this.showCategoryHeader;
83    };
84
85    Typeahead.prototype = {
86
87        constructor: Typeahead,
88
89
90        setDefault: function (val) {
91            // var val = this.$menu.find('.active').data('value');
92            this.$element.data('active', val);
93            if (this.autoSelect || val) {
94                var newVal = this.updater(val);
95                // Updater can be set to any random functions via "options" parameter in constructor above.
96                // Add null check for cases when updater returns void or undefined.
97                if (!newVal) {
98                    newVal = '';
99                }
100                this.$element
101                    .val(this.displayText(newVal) || newVal)
102                    .text(this.displayText(newVal) || newVal)
103                    .change();
104                this.afterSelect(newVal);
105            }
106            return this.hide();
107        },
108
109        select: function () {
110            var val = this.$menu.find('.active').data('value');
111
112            this.$element.data('active', val);
113            if (this.autoSelect || val) {
114                var newVal = this.updater(val);
115                // Updater can be set to any random functions via "options" parameter in constructor above.
116                // Add null check for cases when updater returns void or undefined.
117                if (!newVal) {
118                    newVal = '';
119                }
120
121                if (this.changeInputOnSelect) {
122                    this.$element
123                        .val(this.displayText(newVal) || newVal)
124                        .text(this.displayText(newVal) || newVal)
125                        .change();
126                }
127
128                if (this.followLinkOnSelect && this.itemLink(val)) {
129                    if (this.openLinkInNewTab) {
130                        window.open(this.itemLink(val), '_blank');
131                    } else {
132                        document.location = this.itemLink(val);
133                    }
134                    this.afterSelect(newVal);
135                } else if (this.followLinkOnSelect && !this.itemLink(val)) {
136                    this.afterEmptySelect(newVal);
137                } else {
138                    this.afterSelect(newVal);
139                }
140            } else {
141                this.afterEmptySelect();
142            }
143
144            return this.hide();
145        },
146
147        updater: function (item) {
148            return item;
149        },
150
151        setSource: function (source) {
152            this.source = source;
153        },
154
155        show: function () {
156            var pos = $.extend({}, this.$element.position(), {
157                height: this.$element[0].offsetHeight
158            });
159
160            var scrollHeight = typeof this.options.scrollHeight == 'function' ?
161                this.options.scrollHeight.call() :
162                this.options.scrollHeight;
163
164            var element;
165            if (this.shown) {
166                element = this.$menu;
167            } else if (this.$appendTo) {
168                element = this.$menu.appendTo(this.$appendTo);
169                this.hasSameParent = this.$appendTo.is(this.$element.parent());
170            } else {
171                element = this.$menu.insertAfter(this.$element);
172                this.hasSameParent = true;
173            }
174
175            if (!this.hasSameParent) {
176                // We cannot rely on the element position, need to position relative to the window
177                element.css('position', 'fixed');
178                var offset = this.$element.offset();
179                pos.top = offset.top;
180                pos.left = offset.left;
181            }
182            // The rules for bootstrap are: 'dropup' in the parent and 'dropdown-menu-right' in the element.
183            // Note that to get right alignment, you'll need to specify `menu` in the options to be:
184            // '<ul class="typeahead dropdown-menu" role="listbox"></ul>'
185            var dropup = $(element).parent().hasClass('dropup');
186            var newTop = dropup ? 'auto' : (pos.top + pos.height + scrollHeight);
187            var right = $(element).hasClass('dropdown-menu-right');
188            var newLeft = right ? 'auto' : pos.left;
189            // it seems like setting the css is a bad idea (just let Bootstrap do it), but I'll keep the old
190            // logic in place except for the dropup/right-align cases.
191            element.css({ top: newTop, left: newLeft }).show();
192
193            if (this.options.fitToElement === true) {
194                element.css('width', this.$element.outerWidth() + 'px');
195            }
196
197            this.shown = true;
198            return this;
199        },
200
201        hide: function () {
202            this.$menu.hide();
203            this.shown = false;
204            return this;
205        },
206
207        lookup: function (query) {
208            if (typeof(query) != 'undefined' && query !== null) {
209                this.query = query;
210            } else {
211                this.query = this.$element.val();
212            }
213
214            if (this.query.length < this.options.minLength && !this.options.showHintOnFocus) {
215                return this.shown ? this.hide() : this;
216            }
217
218            var worker = $.proxy(function () {
219
220                // Bloodhound (since 0.11) needs three arguments.
221                // Two of them are callback functions (sync and async) for local and remote data processing
222                // see https://github.com/twitter/typeahead.js/blob/master/src/bloodhound/bloodhound.js#L132
223                if ($.isFunction(this.source) && this.source.length === 3) {
224                    this.source(this.query, $.proxy(this.process, this), $.proxy(this.process, this));
225                } else if ($.isFunction(this.source)) {
226                    this.source(this.query, $.proxy(this.process, this));
227                } else if (this.source) {
228                    this.process(this.source);
229                }
230            }, this);
231
232            clearTimeout(this.lookupWorker);
233            this.lookupWorker = setTimeout(worker, this.delay);
234        },
235
236        process: function (items) {
237            var that = this;
238
239            items = $.grep(items, function (item) {
240                return that.matcher(item);
241            });
242
243            items = this.sorter(items);
244
245            if (!items.length && !this.options.addItem) {
246                return this.shown ? this.hide() : this;
247            }
248
249            if (items.length > 0) {
250                this.$element.data('active', items[0]);
251            } else {
252                this.$element.data('active', null);
253            }
254
255            if (this.options.items != 'all') {
256                items = items.slice(0, this.options.items);
257            }
258
259            // Add item
260            if (this.options.addItem) {
261                items.push(this.options.addItem);
262            }
263
264            return this.render(items).show();
265        },
266
267        matcher: function (item) {
268            var it = this.displayText(item);
269            return ~it.toLowerCase().indexOf(this.query.toLowerCase());
270        },
271
272        sorter: function (items) {
273            var beginswith = [];
274            var caseSensitive = [];
275            var caseInsensitive = [];
276            var item;
277
278            while ((item = items.shift())) {
279                var it = this.displayText(item);
280                if (!it.toLowerCase().indexOf(this.query.toLowerCase())) {
281                    beginswith.push(item);
282                } else if (~it.indexOf(this.query)) {
283                    caseSensitive.push(item);
284                } else {
285                    caseInsensitive.push(item);
286                }
287            }
288
289            return beginswith.concat(caseSensitive, caseInsensitive);
290        },
291
292        highlighter: function (item) {
293            var text = this.query;
294            if (text === '') {
295                return item;
296            }
297            var matches = item.match(/(>)([^<]*)(<)/g);
298            var first = [];
299            var second = [];
300            var i;
301            if (matches && matches.length) {
302                // html
303                for (i = 0; i < matches.length; ++i) {
304                    if (matches[i].length > 2) {// escape '><'
305                        first.push(matches[i]);
306                    }
307                }
308            } else {
309                // text
310                first = [];
311                first.push(item);
312            }
313            text = text.replace((/[\(\)\/\.\*\+\?\[\]]/g), function (mat) {
314                return '\\' + mat;
315            });
316            var reg = new RegExp(text, 'g');
317            var m;
318            for (i = 0; i < first.length; ++i) {
319                m = first[i].match(reg);
320                if (m && m.length > 0) {// find all text nodes matches
321                    second.push(first[i]);
322                }
323            }
324            for (i = 0; i < second.length; ++i) {
325                item = item.replace(second[i], second[i].replace(reg, '<strong>$&</strong>'));
326            }
327            return item;
328        },
329
330        render: function (items) {
331            var that = this;
332            var self = this;
333            var activeFound = false;
334            var data = [];
335            var _category = that.options.separator;
336
337            $.each(items, function (key, value) {
338                // inject separator
339                if (key > 0 && value[_category] !== items[key - 1][_category]) {
340                    data.push({
341                        __type: 'divider'
342                    });
343                }
344
345				console.log("Show header:");
346				console.log(this.showCategoryHeader);
347				this.showCategoryHeader = true;
348                if (this.showCategoryHeader) {
349                    // inject category header
350                    if (value[_category] && (key === 0 || value[_category] !== items[key - 1][_category])) {
351                        data.push({
352                            __type: 'category',
353                            name: value[_category]
354                        });
355                    }
356                }
357
358                data.push(value);
359            });
360
361            items = $(data).map(function (i, item) {
362                    if ((item.__type || false) == 'category'){
363                        return $(that.options.headerHtml || that.theme.headerHtml).text(item.name)[0];
364                    }
365
366                    if ((item.__type || false) == 'divider'){
367                        return $(that.options.headerDivider || that.theme.headerDivider)[0];
368                    }
369
370                    var text = self.displayText(item);
371                    i = $(that.options.item || that.theme.item).data('value', item);
372                    i.find(that.options.itemContentSelector || that.theme.itemContentSelector)
373                        .addBack(that.options.itemContentSelector || that.theme.itemContentSelector)
374                        .html(that.highlighter(text, item));
375                    if(that.options.followLinkOnSelect) {
376                        i.find('a').attr('href', self.itemLink(item));
377                    }
378                    i.find('a').attr('title', self.itemTitle(item));
379                    if (text == self.$element.val()) {
380                        i.addClass('active');
381                        self.$element.data('active', item);
382                        activeFound = true;
383                    }
384                    return i[0];
385                });
386
387            if (this.autoSelect && !activeFound) {
388                items.filter(':not(.dropdown-header)').first().addClass('active');
389                this.$element.data('active', items.first().data('value'));
390            }
391            this.$menu.html(items);
392            return this;
393        },
394
395        displayText: function (item) {
396            return typeof item !== 'undefined' && typeof item.name != 'undefined' ? item.name : item;
397        },
398
399        itemLink: function (item) {
400            return null;
401        },
402
403        itemTitle: function (item) {
404            return null;
405        },
406
407        next: function (event) {
408            var active = this.$menu.find('.active').removeClass('active');
409            var next = active.next();
410
411            if (!next.length) {
412                next = $(this.$menu.find($(this.options.item || this.theme.item).prop('tagName'))[0]);
413            }
414
415            while (next.hasClass('divider') || next.hasClass('dropdown-header')) {
416                next = next.next();
417            }
418
419            next.addClass('active');
420            // added for screen reader
421            var newVal = this.updater(next.data('value'));
422            if (this.changeInputOnMove) {
423                this.$element.val(this.displayText(newVal) || newVal);
424            }
425        },
426
427        prev: function (event) {
428            var active = this.$menu.find('.active').removeClass('active');
429            var prev = active.prev();
430
431            if (!prev.length) {
432                prev = this.$menu.find($(this.options.item || this.theme.item).prop('tagName')).last();
433            }
434
435            while (prev.hasClass('divider') || prev.hasClass('dropdown-header')) {
436                prev = prev.prev();
437            }
438
439            prev.addClass('active');
440            // added for screen reader
441            var newVal = this.updater(prev.data('value'));
442            if (this.changeInputOnMove) {
443                this.$element.val(this.displayText(newVal) || newVal);
444            }
445        },
446
447        listen: function () {
448            this.$element
449                .on('focus.bootstrap3Typeahead', $.proxy(this.focus, this))
450                .on('blur.bootstrap3Typeahead', $.proxy(this.blur, this))
451                .on('keypress.bootstrap3Typeahead', $.proxy(this.keypress, this))
452                .on('propertychange.bootstrap3Typeahead input.bootstrap3Typeahead', $.proxy(this.input, this))
453                .on('keyup.bootstrap3Typeahead', $.proxy(this.keyup, this));
454
455            if (this.eventSupported('keydown')) {
456                this.$element.on('keydown.bootstrap3Typeahead', $.proxy(this.keydown, this));
457            }
458
459            var itemTagName = $(this.options.item || this.theme.item).prop('tagName');
460            if ('ontouchstart' in document.documentElement && 'onmousemove' in document.documentElement) {
461		        this.$menu
462		            .on('touchstart', itemTagName, $.proxy(this.touchstart, this))
463		            .on('touchend', itemTagName, $.proxy(this.click, this))
464		            .on('click', $.proxy(this.click, this))
465		            .on('mouseenter', itemTagName, $.proxy(this.mouseenter, this))
466		            .on('mouseleave', itemTagName, $.proxy(this.mouseleave, this))
467		            .on('mousedown', $.proxy(this.mousedown,this));
468	        } else if ('ontouchstart' in document.documentElement) {
469		        this.$menu
470		            .on('touchstart', itemTagName, $.proxy(this.touchstart, this))
471		            .on('touchend', itemTagName, $.proxy(this.click, this));
472	        } else {
473                this.$menu
474                    .on('click', $.proxy(this.click, this))
475                    .on('mouseenter', itemTagName, $.proxy(this.mouseenter, this))
476                    .on('mouseleave', itemTagName, $.proxy(this.mouseleave, this))
477                    .on('mousedown', $.proxy(this.mousedown, this));
478            }
479        },
480
481        destroy: function () {
482            this.$element.data('typeahead', null);
483            this.$element.data('active', null);
484            this.$element
485                .unbind('focus.bootstrap3Typeahead')
486                .unbind('blur.bootstrap3Typeahead')
487                .unbind('keypress.bootstrap3Typeahead')
488                .unbind('propertychange.bootstrap3Typeahead input.bootstrap3Typeahead')
489                .unbind('keyup.bootstrap3Typeahead');
490
491            if (this.eventSupported('keydown')) {
492                this.$element.unbind('keydown.bootstrap3-typeahead');
493            }
494
495            this.$menu.remove();
496            this.destroyed = true;
497        },
498
499        eventSupported: function (eventName) {
500            var isSupported = eventName in this.$element;
501            if (!isSupported) {
502                this.$element.setAttribute(eventName, 'return;');
503                isSupported = typeof this.$element[eventName] === 'function';
504            }
505            return isSupported;
506        },
507
508        move: function (e) {
509            if (!this.shown) {
510                return;
511            }
512
513            switch (e.keyCode) {
514                case 9: // tab
515                case 13: // enter
516                case 27: // escape
517                    e.preventDefault();
518                    break;
519
520                case 38: // up arrow
521                    // with the shiftKey (this is actually the left parenthesis)
522                    if (e.shiftKey) {
523                        return;
524                    }
525                    e.preventDefault();
526                    this.prev();
527                    break;
528
529                case 40: // down arrow
530                    // with the shiftKey (this is actually the right parenthesis)
531                    if (e.shiftKey) {
532                        return;
533                    }
534                    e.preventDefault();
535                    this.next();
536                    break;
537            }
538        },
539
540        keydown: function (e) {
541            /**
542             * Prevent to make an ajax call while copying and pasting.
543             *
544             * @author Simone Sacchi
545             * @version 2018/01/18
546             */
547            if (e.keyCode === 17) { // ctrl
548                return;
549            }
550            this.keyPressed = true;
551            this.suppressKeyPressRepeat = ~$.inArray(e.keyCode, [40, 38, 9, 13, 27]);
552            if (!this.shown && e.keyCode == 40) {
553                this.lookup();
554            } else {
555                this.move(e);
556            }
557        },
558
559        keypress: function (e) {
560            if (this.suppressKeyPressRepeat) {
561                return;
562            }
563            this.move(e);
564        },
565
566        input: function (e) {
567            // This is a fixed for IE10/11 that fires the input event when a placehoder is changed
568            // (https://connect.microsoft.com/IE/feedback/details/810538/ie-11-fires-input-event-on-focus)
569            var currentValue = this.$element.val() || this.$element.text();
570            if (this.value !== currentValue) {
571                this.value = currentValue;
572                this.lookup();
573            }
574        },
575
576        keyup: function (e) {
577            if (this.destroyed) {
578                return;
579            }
580            switch (e.keyCode) {
581                case 40: // down arrow
582                case 38: // up arrow
583                case 16: // shift
584                case 17: // ctrl
585                case 18: // alt
586                    break;
587
588                case 9: // tab
589                    if (!this.shown || (this.showHintOnFocus && !this.keyPressed)) {
590                        return;
591                    }
592                    this.select();
593                    break;
594                case 13: // enter
595                    if (!this.shown) {
596                        return;
597                    }
598                    this.select();
599                    break;
600
601                case 27: // escape
602                    if (!this.shown) {
603                        return;
604                    }
605                    this.hide();
606                    break;
607            }
608
609        },
610
611        focus: function (e) {
612            if (!this.focused) {
613                this.focused = true;
614                this.keyPressed = false;
615                if (this.options.showHintOnFocus && this.skipShowHintOnFocus !== true) {
616                    if (this.options.showHintOnFocus === 'all') {
617                        this.lookup('');
618                    } else {
619                        this.lookup();
620                    }
621                }
622            }
623            if (this.skipShowHintOnFocus) {
624                this.skipShowHintOnFocus = false;
625            }
626        },
627
628        blur: function (e) {
629            if (!this.mousedover && !this.mouseddown && this.shown) {
630                if (this.selectOnBlur) {
631                    this.select();
632                }
633                this.hide();
634                this.focused = false;
635                this.keyPressed = false;
636            } else if (this.mouseddown) {
637                // This is for IE that blurs the input when user clicks on scroll.
638                // We set the focus back on the input and prevent the lookup to occur again
639                this.skipShowHintOnFocus = true;
640                this.$element.focus();
641                this.mouseddown = false;
642            }
643        },
644
645        click: function (e) {
646            e.preventDefault();
647            this.skipShowHintOnFocus = true;
648            this.select();
649            this.$element.focus();
650            this.hide();
651        },
652
653        mouseenter: function (e) {
654            this.mousedover = true;
655            this.$menu.find('.active').removeClass('active');
656            $(e.currentTarget).addClass('active');
657        },
658
659        mouseleave: function (e) {
660            this.mousedover = false;
661            if (!this.focused && this.shown) {
662                this.hide();
663            }
664        },
665
666        /**
667         * We track the mousedown for IE. When clicking on the menu scrollbar, IE makes the input blur thus hiding the menu.
668         */
669        mousedown: function (e) {
670            this.mouseddown = true;
671            this.$menu.one('mouseup', function (e) {
672                // IE won't fire this, but FF and Chrome will so we reset our flag for them here
673                this.mouseddown = false;
674            }.bind(this));
675        },
676
677        touchstart: function (e) {
678            e.preventDefault();
679            this.$menu.find('.active').removeClass('active');
680            $(e.currentTarget).addClass('active');
681        },
682
683        touchend: function (e) {
684            e.preventDefault();
685            this.select();
686            this.$element.focus();
687        }
688
689    };
690
691
692    /* TYPEAHEAD PLUGIN DEFINITION
693     * =========================== */
694
695    var old = $.fn.typeahead;
696
697    $.fn.typeahead = function (option) {
698        var arg = arguments;
699        if (typeof option == 'string' && option == 'getActive') {
700            return this.data('active');
701        }
702        return this.each(function () {
703            var $this = $(this);
704            var data = $this.data('typeahead');
705            var options = typeof option == 'object' && option;
706            if (!data) {
707                $this.data('typeahead', (data = new Typeahead(this, options)));
708            }
709            if (typeof option == 'string' && data[option]) {
710                if (arg.length > 1) {
711                    data[option].apply(data, Array.prototype.slice.call(arg, 1));
712                } else {
713                    data[option]();
714                }
715            }
716        });
717    };
718
719    Typeahead.defaults = {
720        source: [],
721        items: 8,
722        minLength: 1,
723        scrollHeight: 0,
724        autoSelect: true,
725        afterSelect: $.noop,
726        afterEmptySelect: $.noop,
727        addItem: false,
728        followLinkOnSelect: false,
729        delay: 0,
730        separator: 'category',
731        changeInputOnSelect: true,
732        changeInputOnMove: true,
733        openLinkInNewTab: false,
734        selectOnBlur: true,
735        showCategoryHeader: true,
736        theme: "bootstrap4",
737        themes: {
738        bootstrap3: {
739            menu: '<ul class="typeahead mikio-dropdown" role="listbox"></ul>',
740            item: '<li><a class="mikio-dropdown-item" href="#" role="option"></a></li>',
741            itemContentSelector: "a",
742            headerHtml: '<li class="mikio-dropdown-header"></li>',
743            headerDivider: '<li class="mikio-divider" role="separator"></li>'
744        },
745        bootstrap4: {
746            menu: '<div class="typeahead mikio-dropdown" role="listbox"></div>',
747            item: '<a class="mikio-dropdown-item" href="#" role="option"></a>',
748            itemContentSelector: '.mikio-dropdown-item',
749            headerHtml: '<h6 class="mikio-dropdown-header"></h6>',
750            headerDivider: '<div class="mikio-dropdown-divider"></div>'
751        }
752    }
753};
754
755    $.fn.typeahead.Constructor = Typeahead;
756
757    /* TYPEAHEAD NO CONFLICT
758     * =================== */
759
760    $.fn.typeahead.noConflict = function () {
761        $.fn.typeahead = old;
762        return this;
763    };
764
765
766    /* TYPEAHEAD DATA-API
767     * ================== */
768
769    $(document).on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) {
770        var $this = $(this);
771        if ($this.data('typeahead')) {
772            return;
773        }
774        $this.typeahead($this.data());
775    });
776
777}));
778