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https://www.arcoefrecce.it/modules/ybc_blog/views/js/slick.js

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1/**
2 * Copyright ETS Software Technology Co., Ltd
3 *
4 * NOTICE OF LICENSE
5 *
6 * This file is not open source! Each license that you purchased is only available for 1 website only.
7 * If you want to use this file on more websites (or projects), you need to purchase additional licenses.
8 * You are not allowed to redistribute, resell, lease, license, sub-license or offer our resources to any third party.
9 *
10 * DISCLAIMER
11 *
12 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
13 * versions in the future.
14 *
15 * @author ETS Software Technology Co., Ltd
16 * @copyright  ETS Software Technology Co., Ltd
17 * @license    Valid for 1 website (or project) for each purchase of license
18 */
19;(function(factory) {
20    'use strict';
21    if (typeof define === 'function' && define.amd) {
22        define(['jquery'], factory);
23    } else if (typeof exports !== 'undefined') {
24        module.exports = factory(require('jquery'));
25    } else {
26        factory(jQuery);
27    }
28
29}(function($) {
30    'use strict';
31    var Slick = window.Slick || {};
32
33    Slick = (function() {
34
35        var instanceUid = 0;
36
37        function Slick(element, settings) {
38
39            var _ = this, dataSettings;
40
41            _.defaults = {
42                accessibility: true,
43                adaptiveHeight: false,
44                appendArrows: $(element),
45                appendDots: $(element),
46                arrows: true,
47                asNavFor: null,
48                prevArrow: '<button type="button" data-role="none" class="slick-prev" aria-label="Previous" tabindex="0" role="button">Previous</button>',
49                nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="Next" tabindex="0" role="button">Next</button>',
50                autoplay: false,
51                autoplaySpeed: 3000,
52                centerMode: false,
53                centerPadding: '50px',
54                cssEase: 'ease',
55                customPaging: function(slider, i) {
56                    return $('<button type="button" data-role="none" role="button" tabindex="0" />').text(i + 1);
57                },
58                dots: false,
59                dotsClass: 'slick-dots',
60                draggable: true,
61                easing: 'linear',
62                edgeFriction: 0.35,
63                fade: false,
64                focusOnSelect
vendor: 12,428 bytes, lines 64-487
64: false,
65                infinite: true,
66                initialSlide: 0,
67                lazyLoad: 'ondemand',
68                mobileFirst: false,
69                pauseOnHover: true,
70                pauseOnFocus: true,
71                pauseOnDotsHover: false,
72                respondTo: 'window',
73                responsive: null,
74                rows: 1,
75                rtl: false,
76                slide: '',
77                slidesPerRow: 1,
78                slidesToShow: 1,
79                slidesToScroll: 1,
80                speed: 500,
81                swipe: true,
82                swipeToSlide: false,
83                touchMove: true,
84                touchThreshold: 5,
85                useCSS: true,
86                useTransform: true,
87                variableWidth: false,
88                vertical: false,
89                verticalSwiping: false,
90                waitForAnimate: true,
91                zIndex: 1000
92            };
93
94            _.initials = {
95                animating: false,
96                dragging: false,
97                autoPlayTimer: null,
98                currentDirection: 0,
99                currentLeft: null,
100                currentSlide: 0,
101                direction: 1,
102                $dots: null,
103                listWidth: null,
104                listHeight: null,
105                loadIndex: 0,
106                $nextArrow: null,
107                $prevArrow: null,
108                scrolling: false,
109                slideCount: null,
110                slideWidth: null,
111                $slideTrack: null,
112                $slides: null,
113                sliding: false,
114                slideOffset: 0,
115                swipeLeft: null,
116                swiping: false,
117                $list: null,
118                touchObject: {},
119                transformsEnabled: false,
120                unslicked: false
121            };
122
123            $.extend(_, _.initials);
124
125            _.activeBreakpoint = null;
126            _.animType = null;
127            _.animProp = null;
128            _.breakpoints = [];
129            _.breakpointSettings = [];
130            _.cssTransitions = false;
131            _.focussed = false;
132            _.interrupted = false;
133            _.hidden = 'hidden';
134            _.paused = true;
135            _.positionProp = null;
136            _.respondTo = null;
137            _.rowCount = 1;
138            _.shouldClick = true;
139            _.$slider = $(element);
140            _.$slidesCache = null;
141            _.transformType = null;
142            _.transitionType = null;
143            _.visibilityChange = 'visibilitychange';
144            _.windowWidth = 0;
145            _.windowTimer = null;
146
147            dataSettings = $(element).data('slick') || {};
148
149            _.options = $.extend({}, _.defaults, settings, dataSettings);
150
151            _.currentSlide = _.options.initialSlide;
152
153            _.originalSettings = _.options;
154
155            if (typeof document.mozHidden !== 'undefined') {
156                _.hidden = 'mozHidden';
157                _.visibilityChange = 'mozvisibilitychange';
158            } else if (typeof document.webkitHidden !== 'undefined') {
159                _.hidden = 'webkitHidden';
160                _.visibilityChange = 'webkitvisibilitychange';
161            }
162
163            _.autoPlay = $.proxy(_.autoPlay, _);
164            _.autoPlayClear = $.proxy(_.autoPlayClear, _);
165            _.autoPlayIterator = $.proxy(_.autoPlayIterator, _);
166            _.changeSlide = $.proxy(_.changeSlide, _);
167            _.clickHandler = $.proxy(_.clickHandler, _);
168            _.selectHandler = $.proxy(_.selectHandler, _);
169            _.setPosition = $.proxy(_.setPosition, _);
170            _.swipeHandler = $.proxy(_.swipeHandler, _);
171            _.dragHandler = $.proxy(_.dragHandler, _);
172            _.keyHandler = $.proxy(_.keyHandler, _);
173
174            _.instanceUid = instanceUid++;
175
176            // A simple way to check for HTML strings
177            // Strict HTML recognition (must start with <)
178            // Extracted from jQuery v1.11 source
179            _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;
180
181
182            _.registerBreakpoints();
183            _.init(true);
184
185        }
186
187        return Slick;
188
189    }());
190
191    Slick.prototype.activateADA = function() {
192        var _ = this;
193
194        _.$slideTrack.find('.slick-active').attr({
195            'aria-hidden': 'false'
196        }).find('a, input, button, select').attr({
197            'tabindex': '0'
198        });
199
200    };
201
202    Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) {
203
204        var _ = this;
205
206        if (typeof(index) === 'boolean') {
207            addBefore = index;
208            index = null;
209        } else if (index < 0 || (index >= _.slideCount)) {
210            return false;
211        }
212
213        _.unload();
214
215        if (typeof(index) === 'number') {
216            if (index === 0 && _.$slides.length === 0) {
217                $(markup).appendTo(_.$slideTrack);
218            } else if (addBefore) {
219                $(markup).insertBefore(_.$slides.eq(index));
220            } else {
221                $(markup).insertAfter(_.$slides.eq(index));
222            }
223        } else {
224            if (addBefore === true) {
225                $(markup).prependTo(_.$slideTrack);
226            } else {
227                $(markup).appendTo(_.$slideTrack);
228            }
229        }
230
231        _.$slides = _.$slideTrack.children(this.options.slide);
232
233        _.$slideTrack.children(this.options.slide).detach();
234
235        _.$slideTrack.append(_.$slides);
236
237        _.$slides.each(function(index, element) {
238            $(element).attr('data-slick-index', index);
239        });
240
241        _.$slidesCache = _.$slides;
242
243        _.reinit();
244
245    };
246
247    Slick.prototype.animateHeight = function() {
248        var _ = this;
249        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
250            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
251            _.$list.animate({
252                height: targetHeight
253            }, _.options.speed);
254        }
255    };
256
257    Slick.prototype.animateSlide = function(targetLeft, callback) {
258
259        var animProps = {},
260            _ = this;
261
262        _.animateHeight();
263
264        if (_.options.rtl === true && _.options.vertical === false) {
265            targetLeft = -targetLeft;
266        }
267        if (_.transformsEnabled === false) {
268            if (_.options.vertical === false) {
269                _.$slideTrack.animate({
270                    left: targetLeft
271                }, _.options.speed, _.options.easing, callback);
272            } else {
273                _.$slideTrack.animate({
274                    top: targetLeft
275                }, _.options.speed, _.options.easing, callback);
276            }
277
278        } else {
279
280            if (_.cssTransitions === false) {
281                if (_.options.rtl === true) {
282                    _.currentLeft = -(_.currentLeft);
283                }
284                $({
285                    animStart: _.currentLeft
286                }).animate({
287                    animStart: targetLeft
288                }, {
289                    duration: _.options.speed,
290                    easing: _.options.easing,
291                    step: function(now) {
292                        now = Math.ceil(now);
293                        if (_.options.vertical === false) {
294                            animProps[_.animType] = 'translate(' +
295                                now + 'px, 0px)';
296                            _.$slideTrack.css(animProps);
297                        } else {
298                            animProps[_.animType] = 'translate(0px,' +
299                                now + 'px)';
300                            _.$slideTrack.css(animProps);
301                        }
302                    },
303                    complete: function() {
304                        if (callback) {
305                            callback.call();
306                        }
307                    }
308                });
309
310            } else {
311
312                _.applyTransition();
313                targetLeft = Math.ceil(targetLeft);
314
315                if (_.options.vertical === false) {
316                    animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)';
317                } else {
318                    animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)';
319                }
320                _.$slideTrack.css(animProps);
321
322                if (callback) {
323                    setTimeout(function() {
324
325                        _.disableTransition();
326
327                        callback.call();
328                    }, _.options.speed);
329                }
330
331            }
332
333        }
334
335    };
336
337    Slick.prototype.getNavTarget = function() {
338
339        var _ = this,
340            asNavFor = _.options.asNavFor;
341
342        if ( asNavFor && asNavFor !== null ) {
343            asNavFor = $(asNavFor).not(_.$slider);
344        }
345
346        return asNavFor;
347
348    };
349
350    Slick.prototype.asNavFor = function(index) {
351
352        var _ = this,
353            asNavFor = _.getNavTarget();
354
355        if ( asNavFor !== null && typeof asNavFor === 'object' ) {
356            asNavFor.each(function() {
357                var target = $(this).slick('getSlick');
358                if(!target.unslicked) {
359                    target.slideHandler(index, true);
360                }
361            });
362        }
363
364    };
365
366    Slick.prototype.applyTransition = function(slide) {
367
368        var _ = this,
369            transition = {};
370
371        if (_.options.fade === false) {
372            transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase;
373        } else {
374            transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase;
375        }
376
377        if (_.options.fade === false) {
378            _.$slideTrack.css(transition);
379        } else {
380            _.$slides.eq(slide).css(transition);
381        }
382
383    };
384
385    Slick.prototype.autoPlay = function() {
386
387        var _ = this;
388
389        _.autoPlayClear();
390
391        if ( _.slideCount > _.options.slidesToShow ) {
392            _.autoPlayTimer = setInterval( _.autoPlayIterator, _.options.autoplaySpeed );
393        }
394
395    };
396
397    Slick.prototype.autoPlayClear = function() {
398
399        var _ = this;
400
401        if (_.autoPlayTimer) {
402            clearInterval(_.autoPlayTimer);
403        }
404
405    };
406
407    Slick.prototype.autoPlayIterator = function() {
408
409        var _ = this,
410            slideTo = _.currentSlide + _.options.slidesToScroll;
411
412        if ( !_.paused && !_.interrupted && !_.focussed ) {
413
414            if ( _.options.infinite === false ) {
415
416                if ( _.direction === 1 && ( _.currentSlide + 1 ) === ( _.slideCount - 1 )) {
417                    _.direction = 0;
418                }
419
420                else if ( _.direction === 0 ) {
421
422                    slideTo = _.currentSlide - _.options.slidesToScroll;
423
424                    if ( _.currentSlide - 1 === 0 ) {
425                        _.direction = 1;
426                    }
427
428                }
429
430            }
431
432            _.slideHandler( slideTo );
433
434        }
435
436    };
437
438    Slick.prototype.buildArrows = function() {
439
440        var _ = this;
441
442        if (_.options.arrows === true ) {
443
444            _.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow');
445            _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow');
446
447            if( _.slideCount > _.options.slidesToShow ) {
448
449                _.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
450                _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
451
452                if (_.htmlExpr.test(_.options.prevArrow)) {
453                    _.$prevArrow.prependTo(_.options.appendArrows);
454                }
455
456                if (_.htmlExpr.test(_.options.nextArrow)) {
457                    _.$nextArrow.appendTo(_.options.appendArrows);
458                }
459
460                if (_.options.infinite !== true) {
461                    _.$prevArrow
462                        .addClass('slick-disabled')
463                        .attr('aria-disabled', 'true');
464                }
465
466            } else {
467
468                _.$prevArrow.add( _.$nextArrow )
469
470                    .addClass('slick-hidden')
471                    .attr({
472                        'aria-disabled': 'true',
473                        'tabindex': '-1'
474                    });
475
476            }
477
478        }
479
480    };
481
482    Slick.prototype.buildDots = function() {
483
484        var _ = this,
485            i, dot;
486
487        if (_.options.dots === true
vendor: 17,997 bytes, lines 487-1084
487) {
488
489            _.$slider.addClass('slick-dotted');
490
491            dot = $('<ul />').addClass(_.options.dotsClass);
492
493            for (i = 0; i <= _.getDotCount(); i += 1) {
494                dot.append($('<li />').append(_.options.customPaging.call(this, _, i)));
495            }
496
497            _.$dots = dot.appendTo(_.options.appendDots);
498
499            _.$dots.find('li').first().addClass('slick-active').attr('aria-hidden', 'false');
500
501        }
502
503    };
504
505    Slick.prototype.buildOut = function() {
506
507        var _ = this;
508
509        _.$slides =
510            _.$slider
511                .children( _.options.slide + ':not(.slick-cloned)')
512                .addClass('slick-slide');
513
514        _.slideCount = _.$slides.length;
515
516        _.$slides.each(function(index, element) {
517            $(element)
518                .attr('data-slick-index', index)
519                .data('originalStyling', $(element).attr('style') || '');
520        });
521
522        _.$slider.addClass('slick-slider');
523
524        _.$slideTrack = (_.slideCount === 0) ?
525            $('<div class="slick-track"/>').appendTo(_.$slider) :
526            _.$slides.wrapAll('<div class="slick-track"/>').parent();
527
528        _.$list = _.$slideTrack.wrap(
529            '<div aria-live="polite" class="slick-list"/>').parent();
530        _.$slideTrack.css('opacity', 0);
531
532        if (_.options.centerMode === true || _.options.swipeToSlide === true) {
533            _.options.slidesToScroll = 1;
534        }
535
536        $('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');
537
538        _.setupInfinite();
539
540        _.buildArrows();
541
542        _.buildDots();
543
544        _.updateDots();
545
546
547        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
548
549        if (_.options.draggable === true) {
550            _.$list.addClass('draggable');
551        }
552
553    };
554
555    Slick.prototype.buildRows = function() {
556
557        var _ = this, a, b, c, newSlides, numOfSlides, originalSlides,slidesPerSection;
558
559        newSlides = document.createDocumentFragment();
560        originalSlides = _.$slider.children();
561
562        if(_.options.rows > 1) {
563
564            slidesPerSection = _.options.slidesPerRow * _.options.rows;
565            numOfSlides = Math.ceil(
566                originalSlides.length / slidesPerSection
567            );
568
569            for(a = 0; a < numOfSlides; a++){
570                var slide = document.createElement('div');
571                for(b = 0; b < _.options.rows; b++) {
572                    var row = document.createElement('div');
573                    for(c = 0; c < _.options.slidesPerRow; c++) {
574                        var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c));
575                        if (originalSlides.get(target)) {
576                            row.appendChild(originalSlides.get(target));
577                        }
578                    }
579                    slide.appendChild(row);
580                }
581                newSlides.appendChild(slide);
582            }
583
584            _.$slider.empty().append(newSlides);
585            _.$slider.children().children().children()
586                .css({
587                    'width':(100 / _.options.slidesPerRow) + '%',
588                    'display': 'inline-block'
589                });
590
591        }
592
593    };
594
595    Slick.prototype.checkResponsive = function(initial, forceUpdate) {
596
597        var _ = this,
598            breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false;
599        var sliderWidth = _.$slider.width();
600        var windowWidth = window.innerWidth || $(window).width();
601
602        if (_.respondTo === 'window') {
603            respondToWidth = windowWidth;
604        } else if (_.respondTo === 'slider') {
605            respondToWidth = sliderWidth;
606        } else if (_.respondTo === 'min') {
607            respondToWidth = Math.min(windowWidth, sliderWidth);
608        }
609
610        if ( _.options.responsive &&
611            _.options.responsive.length &&
612            _.options.responsive !== null) {
613
614            targetBreakpoint = null;
615
616            for (breakpoint in _.breakpoints) {
617                if (_.breakpoints.hasOwnProperty(breakpoint)) {
618                    if (_.originalSettings.mobileFirst === false) {
619                        if (respondToWidth < _.breakpoints[breakpoint]) {
620                            targetBreakpoint = _.breakpoints[breakpoint];
621                        }
622                    } else {
623                        if (respondToWidth > _.breakpoints[breakpoint]) {
624                            targetBreakpoint = _.breakpoints[breakpoint];
625                        }
626                    }
627                }
628            }
629
630            if (targetBreakpoint !== null) {
631                if (_.activeBreakpoint !== null) {
632                    if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) {
633                        _.activeBreakpoint =
634                            targetBreakpoint;
635                        if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
636                            _.unslick(targetBreakpoint);
637                        } else {
638                            _.options = $.extend({}, _.originalSettings,
639                                _.breakpointSettings[
640                                    targetBreakpoint]);
641                            if (initial === true) {
642                                _.currentSlide = _.options.initialSlide;
643                            }
644                            _.refresh(initial);
645                        }
646                        triggerBreakpoint = targetBreakpoint;
647                    }
648                } else {
649                    _.activeBreakpoint = targetBreakpoint;
650                    if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
651                        _.unslick(targetBreakpoint);
652                    } else {
653                        _.options = $.extend({}, _.originalSettings,
654                            _.breakpointSettings[
655                                targetBreakpoint]);
656                        if (initial === true) {
657                            _.currentSlide = _.options.initialSlide;
658                        }
659                        _.refresh(initial);
660                    }
661                    triggerBreakpoint = targetBreakpoint;
662                }
663            } else {
664                if (_.activeBreakpoint !== null) {
665                    _.activeBreakpoint = null;
666                    _.options = _.originalSettings;
667                    if (initial === true) {
668                        _.currentSlide = _.options.initialSlide;
669                    }
670                    _.refresh(initial);
671                    triggerBreakpoint = targetBreakpoint;
672                }
673            }
674
675            // only trigger breakpoints during an actual break. not on initialize.
676            if( !initial && triggerBreakpoint !== false ) {
677                _.$slider.trigger('breakpoint', [_, triggerBreakpoint]);
678            }
679        }
680
681    };
682
683    Slick.prototype.changeSlide = function(event, dontAnimate) {
684
685        var _ = this,
686            $target = $(event.currentTarget),
687            indexOffset, slideOffset, unevenOffset;
688
689        // If target is a link, prevent default action.
690        if($target.is('a')) {
691            event.preventDefault();
692        }
693
694        // If target is not the <li> element (ie: a child), find the <li>.
695        if(!$target.is('li')) {
696            $target = $target.closest('li');
697        }
698
699        unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0);
700        indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll;
701
702        switch (event.data.message) {
703
704            case 'previous':
705                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset;
706                if (_.slideCount > _.options.slidesToShow) {
707                    _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate);
708                }
709                break;
710
711            case 'next':
712                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset;
713                if (_.slideCount > _.options.slidesToShow) {
714                    _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate);
715                }
716                break;
717
718            case 'index':
719                var index = event.data.index === 0 ? 0 :
720                    event.data.index || $target.index() * _.options.slidesToScroll;
721
722                _.slideHandler(_.checkNavigable(index), false, dontAnimate);
723                $target.children().trigger('focus');
724                break;
725
726            default:
727                return;
728        }
729
730    };
731
732    Slick.prototype.checkNavigable = function(index) {
733
734        var _ = this,
735            navigables, prevNavigable;
736
737        navigables = _.getNavigableIndexes();
738        prevNavigable = 0;
739        if (index > navigables[navigables.length - 1]) {
740            index = navigables[navigables.length - 1];
741        } else {
742            for (var n in navigables) {
743                if (index < navigables[n]) {
744                    index = prevNavigable;
745                    break;
746                }
747                prevNavigable = navigables[n];
748            }
749        }
750
751        return index;
752    };
753
754    Slick.prototype.cleanUpEvents = function() {
755
756        var _ = this;
757
758        if (_.options.dots && _.$dots !== null) {
759
760            $('li', _.$dots)
761                .off('click.slick', _.changeSlide)
762                .off('mouseenter.slick', $.proxy(_.interrupt, _, true))
763                .off('mouseleave.slick', $.proxy(_.interrupt, _, false));
764
765        }
766
767        _.$slider.off('focus.slick blur.slick');
768
769        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
770            _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide);
771            _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);
772        }
773
774        _.$list.off('touchstart.slick mousedown.slick', _.swipeHandler);
775        _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler);
776        _.$list.off('touchend.slick mouseup.slick', _.swipeHandler);
777        _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler);
778
779        _.$list.off('click.slick', _.clickHandler);
780
781        $(document).off(_.visibilityChange, _.visibility);
782
783        _.cleanUpSlideEvents();
784
785        if (_.options.accessibility === true) {
786            _.$list.off('keydown.slick', _.keyHandler);
787        }
788
789        if (_.options.focusOnSelect === true) {
790            $(_.$slideTrack).children().off('click.slick', _.selectHandler);
791        }
792
793        $(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange);
794
795        $(window).off('resize.slick.slick-' + _.instanceUid, _.resize);
796
797        $('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault);
798
799        $(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);
800
801    };
802
803    Slick.prototype.cleanUpSlideEvents = function() {
804
805        var _ = this;
806
807        _.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true));
808        _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false));
809
810    };
811
812    Slick.prototype.cleanUpRows = function() {
813
814        var _ = this, originalSlides;
815
816        if(_.options.rows > 1) {
817            originalSlides = _.$slides.children().children();
818            originalSlides.removeAttr('style');
819            _.$slider.empty().append(originalSlides);
820        }
821
822    };
823
824    Slick.prototype.clickHandler = function(event) {
825
826        var _ = this;
827
828        if (_.shouldClick === false) {
829            event.stopImmediatePropagation();
830            event.stopPropagation();
831            event.preventDefault();
832        }
833
834    };
835
836    Slick.prototype.destroy = function(refresh) {
837
838        var _ = this;
839
840        _.autoPlayClear();
841
842        _.touchObject = {};
843
844        _.cleanUpEvents();
845
846        $('.slick-cloned', _.$slider).detach();
847
848        if (_.$dots) {
849            _.$dots.remove();
850        }
851
852        if ( _.$prevArrow && _.$prevArrow.length ) {
853
854            _.$prevArrow
855                .removeClass('slick-disabled slick-arrow slick-hidden')
856                .removeAttr('aria-hidden aria-disabled tabindex')
857                .css('display','');
858
859            if ( _.htmlExpr.test( _.options.prevArrow )) {
860                _.$prevArrow.remove();
861            }
862        }
863
864        if ( _.$nextArrow && _.$nextArrow.length ) {
865
866            _.$nextArrow
867                .removeClass('slick-disabled slick-arrow slick-hidden')
868                .removeAttr('aria-hidden aria-disabled tabindex')
869                .css('display','');
870
871            if ( _.htmlExpr.test( _.options.nextArrow )) {
872                _.$nextArrow.remove();
873            }
874        }
875
876
877        if (_.$slides) {
878
879            _.$slides
880                .removeClass('slick-slide slick-active slick-center slick-visible slick-current')
881                .removeAttr('aria-hidden')
882                .removeAttr('data-slick-index')
883                .each(function(){
884                    $(this).attr('style', $(this).data('originalStyling'));
885                });
886
887            _.$slideTrack.children(this.options.slide).detach();
888
889            _.$slideTrack.detach();
890
891            _.$list.detach();
892
893            _.$slider.append(_.$slides);
894        }
895
896        _.cleanUpRows();
897
898        _.$slider.removeClass('slick-slider');
899        _.$slider.removeClass('slick-initialized');
900        _.$slider.removeClass('slick-dotted');
901
902        _.unslicked = true;
903
904        if(!refresh) {
905            _.$slider.trigger('destroy', [_]);
906        }
907
908    };
909
910    Slick.prototype.disableTransition = function(slide) {
911
912        var _ = this,
913            transition = {};
914
915        transition[_.transitionType] = '';
916
917        if (_.options.fade === false) {
918            _.$slideTrack.css(transition);
919        } else {
920            _.$slides.eq(slide).css(transition);
921        }
922
923    };
924
925    Slick.prototype.fadeSlide = function(slideIndex, callback) {
926
927        var _ = this;
928
929        if (_.cssTransitions === false) {
930
931            _.$slides.eq(slideIndex).css({
932                zIndex: _.options.zIndex
933            });
934
935            _.$slides.eq(slideIndex).animate({
936                opacity: 1
937            }, _.options.speed, _.options.easing, callback);
938
939        } else {
940
941            _.applyTransition(slideIndex);
942
943            _.$slides.eq(slideIndex).css({
944                opacity: 1,
945                zIndex: _.options.zIndex
946            });
947
948            if (callback) {
949                setTimeout(function() {
950
951                    _.disableTransition(slideIndex);
952
953                    callback.call();
954                }, _.options.speed);
955            }
956
957        }
958
959    };
960
961    Slick.prototype.fadeSlideOut = function(slideIndex) {
962
963        var _ = this;
964
965        if (_.cssTransitions === false) {
966
967            _.$slides.eq(slideIndex).animate({
968                opacity: 0,
969                zIndex: _.options.zIndex - 2
970            }, _.options.speed, _.options.easing);
971
972        } else {
973
974            _.applyTransition(slideIndex);
975
976            _.$slides.eq(slideIndex).css({
977                opacity: 0,
978                zIndex: _.options.zIndex - 2
979            });
980
981        }
982
983    };
984
985    Slick.prototype.filterSlides = Slick.prototype.slickFilter = function(filter) {
986
987        var _ = this;
988
989        if (filter !== null) {
990
991            _.$slidesCache = _.$slides;
992
993            _.unload();
994
995            _.$slideTrack.children(this.options.slide).detach();
996
997            _.$slidesCache.filter(filter).appendTo(_.$slideTrack);
998
999            _.reinit();
1000
1001        }
1002
1003    };
1004
1005    Slick.prototype.focusHandler = function() {
1006
1007        var _ = this;
1008
1009        _.$slider
1010            .off('focus.slick blur.slick')
1011            .on('focus.slick blur.slick',
1012                '*:not(.slick-arrow)', function(event) {
1013
1014            event.stopImmediatePropagation();
1015            var $sf = $(this);
1016
1017            setTimeout(function() {
1018
1019                if( _.options.pauseOnFocus ) {
1020                    _.focussed = $sf.is(':focus');
1021                    _.autoPlay();
1022                }
1023
1024            }, 0);
1025
1026        });
1027    };
1028
1029    Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {
1030
1031        var _ = this;
1032        return _.currentSlide;
1033
1034    };
1035
1036    Slick.prototype.getDotCount = function() {
1037
1038        var _ = this;
1039
1040        var breakPoint = 0;
1041        var counter = 0;
1042        var pagerQty = 0;
1043
1044        if (_.options.infinite === true) {
1045            if (_.slideCount <= _.options.slidesToShow) {
1046                 ++pagerQty;
1047            } else {
1048                while (breakPoint < _.slideCount) {
1049                    ++pagerQty;
1050                    breakPoint = counter + _.options.slidesToScroll;
1051                    counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1052                }
1053            }
1054        } else if (_.options.centerMode === true) {
1055            pagerQty = _.slideCount;
1056        } else if(!_.options.asNavFor) {
1057            pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll);
1058        }else {
1059            while (breakPoint < _.slideCount) {
1060                ++pagerQty;
1061                breakPoint = counter + _.options.slidesToScroll;
1062                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1063            }
1064        }
1065
1066        return pagerQty - 1;
1067
1068    };
1069
1070    Slick.prototype.getLeft = function(slideIndex) {
1071
1072        var _ = this,
1073            targetLeft,
1074            verticalHeight,
1075            verticalOffset = 0,
1076            targetSlide;
1077
1078        _.slideOffset = 0;
1079        verticalHeight = _.$slides.first().outerHeight(true);
1080
1081        if (_.options.infinite === true) {
1082            if (_.slideCount > _.options.slidesToShow) {
1083                _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1;
1084                verticalOffset = (verticalHeight * _.options.slidesToShow) * -1
vendor: 6,628 bytes, lines 1084-1284
1084;
1085            }
1086            if (_.slideCount % _.options.slidesToScroll !== 0) {
1087                if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
1088                    if (slideIndex > _.slideCount) {
1089                        _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1;
1090                        verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1;
1091                    } else {
1092                        _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1;
1093                        verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1;
1094                    }
1095                }
1096            }
1097        } else {
1098            if (slideIndex + _.options.slidesToShow > _.slideCount) {
1099                _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth;
1100                verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight;
1101            }
1102        }
1103
1104        if (_.slideCount <= _.options.slidesToShow) {
1105            _.slideOffset = 0;
1106            verticalOffset = 0;
1107        }
1108
1109        if (_.options.centerMode === true && _.slideCount <= _.options.slidesToShow) {
1110            _.slideOffset = ((_.slideWidth * Math.floor(_.options.slidesToShow)) / 2) - ((_.slideWidth * _.slideCount) / 2);
1111        } else if (_.options.centerMode === true && _.options.infinite === true) {
1112            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
1113        } else if (_.options.centerMode === true) {
1114            _.slideOffset = 0;
1115            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
1116        }
1117
1118        if (_.options.vertical === false) {
1119            targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
1120        } else {
1121            targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
1122        }
1123
1124        if (_.options.variableWidth === true) {
1125
1126            if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
1127                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
1128            } else {
1129                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow);
1130            }
1131
1132            if (_.options.rtl === true) {
1133                if (targetSlide[0]) {
1134                    targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
1135                } else {
1136                    targetLeft =  0;
1137                }
1138            } else {
1139                targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
1140            }
1141
1142            if (_.options.centerMode === true) {
1143                if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
1144                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
1145                } else {
1146                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1);
1147                }
1148
1149                if (_.options.rtl === true) {
1150                    if (targetSlide[0]) {
1151                        targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
1152                    } else {
1153                        targetLeft =  0;
1154                    }
1155                } else {
1156                    targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
1157                }
1158
1159                targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2;
1160            }
1161        }
1162
1163        return targetLeft;
1164
1165    };
1166
1167    Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {
1168
1169        var _ = this;
1170
1171        return _.options[option];
1172
1173    };
1174
1175    Slick.prototype.getNavigableIndexes = function() {
1176
1177        var _ = this,
1178            breakPoint = 0,
1179            counter = 0,
1180            indexes = [],
1181            max;
1182
1183        if (_.options.infinite === false) {
1184            max = _.slideCount;
1185        } else {
1186            breakPoint = _.options.slidesToScroll * -1;
1187            counter = _.options.slidesToScroll * -1;
1188            max = _.slideCount * 2;
1189        }
1190
1191        while (breakPoint < max) {
1192            indexes.push(breakPoint);
1193            breakPoint = counter + _.options.slidesToScroll;
1194            counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1195        }
1196
1197        return indexes;
1198
1199    };
1200
1201    Slick.prototype.getSlick = function() {
1202
1203        return this;
1204
1205    };
1206
1207    Slick.prototype.getSlideCount = function() {
1208
1209        var _ = this,
1210            slidesTraversed, swipedSlide, centerOffset;
1211
1212        centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0;
1213
1214        if (_.options.swipeToSlide === true) {
1215            _.$slideTrack.find('.slick-slide').each(function(index, slide) {
1216                if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) {
1217                    swipedSlide = slide;
1218                    return false;
1219                }
1220            });
1221
1222            slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1;
1223
1224            return slidesTraversed;
1225
1226        } else {
1227            return _.options.slidesToScroll;
1228        }
1229
1230    };
1231
1232    Slick.prototype.goTo = Slick.prototype.slickGoTo = function(slide, dontAnimate) {
1233
1234        var _ = this;
1235
1236        _.changeSlide({
1237            data: {
1238                message: 'index',
1239                index: parseInt(slide)
1240            }
1241        }, dontAnimate);
1242
1243    };
1244
1245    Slick.prototype.init = function(creation) {
1246
1247        var _ = this;
1248
1249        if (!$(_.$slider).hasClass('slick-initialized')) {
1250
1251            $(_.$slider).addClass('slick-initialized');
1252
1253            _.buildRows();
1254            _.buildOut();
1255            _.setProps();
1256            _.startLoad();
1257            _.loadSlider();
1258            _.initializeEvents();
1259            _.updateArrows();
1260            _.updateDots();
1261            _.checkResponsive(true);
1262            _.focusHandler();
1263
1264        }
1265
1266        if (creation) {
1267            _.$slider.trigger('init', [_]);
1268        }
1269
1270        if (_.options.accessibility === true) {
1271            _.initADA();
1272        }
1273
1274        if ( _.options.autoplay ) {
1275
1276            _.paused = false;
1277            _.autoPlay();
1278
1279        }
1280
1281    };
1282
1283    Slick.prototype.initADA = function() {
1284        var _ = this
1284;
1285        _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({
1286            'aria-hidden': 'true',
1287            'tabindex': '-1'
1288        }).find('a, input, button, select').attr({
1289            'tabindex': '-1'
1290        });
1291
1292        _.$slideTrack.attr('role', 'listbox');
1293
1294        _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) {
1295            $(this).attr('role', 'option');
1296
1297            //Evenly distribute aria-describedby tags through available dots.
1298            var describedBySlideId = _.options.centerMode ? i : Math.floor(i / _.options.slidesToShow);
1299
1300            if (_.options.dots === true) {
1301                $(this).attr('aria-describedby', 'slick-slide' + _.instanceUid + describedBySlideId + '');
1302            }
1303        });
1304
1305        if (_.$dots !== null) {
1306            _.$dots.attr('role', 'tablist').find('li').each(function(i) {
1307                $(this).attr({
1308                    'role': 'presentation',
1309                    'aria-selected': 'false',
1310                    'aria-controls': 'navigation' + _.instanceUid + i + '',
1311                    'id': 'slick-slide' + _.instanceUid + i + ''
1312                });
1313            })
1314                .first().attr('aria-selected', 'true').end()
1315                .find('button').attr('role', 'button').end()
1316                .closest('div').attr('role', 'toolbar');
1317        }
1318        _.activateADA();
1319
1320    };
1321
1322    Slick.prototype.initArrowEvents = function() {
1323
1324        var _ = this;
1325
1326        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
1327            _.$prevArrow
1328               .off('click.slick')
1329               .on('click.slick', {
1330                    message: 'previous'
1331               }, _.changeSlide);
1332            _.$nextArrow
1333               .off('click.slick')
1334               .on('click.slick', {
1335                    message: 'next'
1336               }, _.changeSlide);
1337        }
1338
1339    };
1340
1341    Slick.prototype.initDotEvents = function() {
1342
1343        var _ = this;
1344
1345        if (_.options.dots === true) {
1346            $('li', _.$dots).on('click.slick', {
1347                message: 'index'
1348            }, _.changeSlide);
1349        }
1350
1351        if ( _.options.dots === true && _.options.pauseOnDotsHover === true ) {
1352
1353            $('li', _.$dots)
1354                .on('mouseenter.slick', $.proxy(_.interrupt, _, true))
1355                .on('mouseleave.slick', $.proxy(_.interrupt, _, false));
1356
1357        }
1358
1359    };
1360
1361    Slick.prototype.initSlideEvents = function() {
1362
1363        var _ = this;
1364
1365        if ( _.options.pauseOnHover ) {
1366
1367            _.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true));
1368            _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false));
1369
1370        }
1371
1372    };
1373
1374    Slick.prototype.initializeEvents = function() {
1375
1376        var _ = this;
1377
1378        _.initArrowEvents();
1379
1380        _.initDotEvents();
1381        _.initSlideEvents();
1382
1383        _.$list.on('touchstart.slick mousedown.slick', {
1384            action: 'start'
1385        }, _.swipeHandler);
1386        _.$list.on('touchmove.slick mousemove.slick', {
1387            action: 'move'
1388        }, _.swipeHandler);
1389        _.$list.on('touchend.slick mouseup.slick', {
1390            action: 'end'
1391        }, _.swipeHandler);
vendor: 7,649 bytes, lines 1392-1651
1392        _.$list.on('touchcancel.slick mouseleave.slick', {
1393            action: 'end'
1394        }, _.swipeHandler);
1395
1396        _.$list.on('click.slick', _.clickHandler);
1397
1398        $(document).on(_.visibilityChange, $.proxy(_.visibility, _));
1399
1400        if (_.options.accessibility === true) {
1401            _.$list.on('keydown.slick', _.keyHandler);
1402        }
1403
1404        if (_.options.focusOnSelect === true) {
1405            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
1406        }
1407
1408        $(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _));
1409
1410        $(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _));
1411
1412        $('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault);
1413
1414        $(window).on('load.slick.slick-' + _.instanceUid, _.setPosition);
1415        $(_.setPosition);
1416
1417    };
1418
1419    Slick.prototype.initUI = function() {
1420
1421        var _ = this;
1422
1423        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
1424
1425            _.$prevArrow.show();
1426            _.$nextArrow.show();
1427
1428        }
1429
1430        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
1431
1432            _.$dots.show();
1433
1434        }
1435
1436    };
1437
1438    Slick.prototype.keyHandler = function(event) {
1439
1440        var _ = this;
1441         //Dont slide if the cursor is inside the form fields and arrow keys are pressed
1442        if(!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) {
1443            if (event.keyCode === 37 && _.options.accessibility === true) {
1444                _.changeSlide({
1445                    data: {
1446                        message: _.options.rtl === true ? 'next' :  'previous'
1447                    }
1448                });
1449            } else if (event.keyCode === 39 && _.options.accessibility === true) {
1450                _.changeSlide({
1451                    data: {
1452                        message: _.options.rtl === true ? 'previous' : 'next'
1453                    }
1454                });
1455            }
1456        }
1457
1458    };
1459
1460    Slick.prototype.lazyLoad = function() {
1461
1462        var _ = this,
1463            loadRange, cloneRange, rangeStart, rangeEnd;
1464
1465        function loadImages(imagesScope) {
1466
1467            $('img[data-lazy]', imagesScope).each(function() {
1468
1469                var image = $(this),
1470                    imageSource = $(this).attr('data-lazy'),
1471                    imageSrcSet = $(this).attr('data-srcset'),
1472                    imageSizes  = $(this).attr('data-sizes') || _.$slider.attr('data-sizes'),
1473                    imageToLoad = document.createElement('img');
1474
1475                imageToLoad.onload = function() {
1476
1477                    image
1478                        .animate({ opacity: 0 }, 100, function() {
1479
1480                            if (imageSrcSet) {
1481                                image
1482                                    .attr('srcset', imageSrcSet );
1483
1484                                if (imageSizes) {
1485                                    image
1486                                        .attr('sizes', imageSizes );
1487                                }
1488                            }
1489
1490                            image
1491                                .attr('src', imageSource)
1492                                .animate({ opacity: 1 }, 200, function() {
1493                                    image
1494                                        .removeAttr('data-lazy data-srcset data-sizes')
1495                                        .removeClass('slick-loading');
1496                                });
1497                            _.$slider.trigger('lazyLoaded', [_, image, imageSource]);
1498                        });
1499
1500                };
1501
1502                imageToLoad.onerror = function() {
1503
1504                    image
1505                        .removeAttr( 'data-lazy' )
1506                        .removeClass( 'slick-loading' )
1507                        .addClass( 'slick-lazyload-error' );
1508
1509                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);
1510
1511                };
1512
1513                imageToLoad.src = imageSource;
1514
1515            });
1516
1517        }
1518
1519        if (_.options.centerMode === true) {
1520            if (_.options.infinite === true) {
1521                rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1);
1522                rangeEnd = rangeStart + _.options.slidesToShow + 2;
1523            } else {
1524                rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1));
1525                rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide;
1526            }
1527        } else {
1528            rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
1529            rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow);
1530            if (_.options.fade === true) {
1531                if (rangeStart > 0) rangeStart--;
1532                if (rangeEnd <= _.slideCount) rangeEnd++;
1533            }
1534        }
1535
1536        loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);
1537
1538        if (_.options.lazyLoad === 'anticipated') {
1539            var prevSlide = rangeStart - 1,
1540                nextSlide = rangeEnd,
1541                $slides = _.$slider.find('.slick-slide');
1542
1543            for (var i = 0; i < _.options.slidesToScroll; i++) {
1544                if (prevSlide < 0) prevSlide = _.slideCount - 1;
1545                loadRange = loadRange.add($slides.eq(prevSlide));
1546                loadRange = loadRange.add($slides.eq(nextSlide));
1547                prevSlide--;
1548                nextSlide++;
1549            }
1550        }
1551
1552        loadImages(loadRange);
1553
1554        if (_.slideCount <= _.options.slidesToShow) {
1555            cloneRange = _.$slider.find('.slick-slide');
1556            loadImages(cloneRange);
1557        } else
1558        if (_.currentSlide >= _.slideCount - _.options.slidesToShow) {
1559            cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow);
1560            loadImages(cloneRange);
1561        } else if (_.currentSlide === 0) {
1562            cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1);
1563            loadImages(cloneRange);
1564        }
1565
1566    };
1567
1568    Slick.prototype.loadSlider = function() {
1569
1570        var _ = this;
1571
1572        _.setPosition();
1573
1574        _.$slideTrack.css({
1575            opacity: 1
1576        });
1577
1578        _.$slider.removeClass('slick-loading');
1579
1580        _.initUI();
1581
1582        if (_.options.lazyLoad === 'progressive') {
1583            _.progressiveLazyLoad();
1584        }
1585
1586    };
1587
1588    Slick.prototype.next = Slick.prototype.slickNext = function() {
1589
1590        var _ = this;
1591
1592        _.changeSlide({
1593            data: {
1594                message: 'next'
1595            }
1596        });
1597
1598    };
1599
1600    Slick.prototype.orientationChange = function() {
1601
1602        var _ = this;
1603
1604        _.checkResponsive();
1605        _.setPosition();
1606
1607    };
1608
1609    Slick.prototype.pause = Slick.prototype.slickPause = function() {
1610
1611        var _ = this;
1612
1613        _.autoPlayClear();
1614        _.paused = true;
1615
1616    };
1617
1618    Slick.prototype.play = Slick.prototype.slickPlay = function() {
1619
1620        var _ = this;
1621
1622        _.autoPlay();
1623        _.options.autoplay = true;
1624        _.paused = false;
1625        _.focussed = false;
1626        _.interrupted = false;
1627
1628    };
1629
1630    Slick.prototype.postSlide = function(index) {
1631
1632        var _ = this;
1633
1634        if( !_.unslicked ) {
1635
1636            _.$slider.trigger('afterChange', [_, index]);
1637
1638            _.animating = false;
1639
1640            if (_.slideCount > _.options.slidesToShow) {
1641                _.setPosition();
1642            }
1643
1644            _.swipeLeft = null;
1645
1646            if ( _.options.autoplay ) {
1647                _.autoPlay();
1648            }
1649
1650            if (_.options.accessibility === true) {
1651                _.initADA();
vendor: 16,676 bytes, lines 1651-2246
1651
1652            }
1653
1654        }
1655
1656    };
1657
1658    Slick.prototype.prev = Slick.prototype.slickPrev = function() {
1659
1660        var _ = this;
1661
1662        _.changeSlide({
1663            data: {
1664                message: 'previous'
1665            }
1666        });
1667
1668    };
1669
1670    Slick.prototype.preventDefault = function(event) {
1671
1672        event.preventDefault();
1673
1674    };
1675
1676    Slick.prototype.progressiveLazyLoad = function( tryCount ) {
1677
1678        tryCount = tryCount || 1;
1679
1680        var _ = this,
1681            $imgsToLoad = $( 'img[data-lazy]', _.$slider ),
1682            image,
1683            imageSource,
1684            imageSrcSet,
1685            imageSizes,
1686            imageToLoad;
1687
1688        if ( $imgsToLoad.length ) {
1689
1690            image = $imgsToLoad.first();
1691            imageSource = image.attr('data-lazy');
1692            imageSrcSet = image.attr('data-srcset');
1693            imageSizes  = image.attr('data-sizes') || _.$slider.attr('data-sizes');
1694            imageToLoad = document.createElement('img');
1695
1696            imageToLoad.onload = function() {
1697
1698                if (imageSrcSet) {
1699                    image
1700                        .attr('srcset', imageSrcSet );
1701
1702                    if (imageSizes) {
1703                        image
1704                            .attr('sizes', imageSizes );
1705                    }
1706                }
1707
1708                image
1709                    .attr( 'src', imageSource )
1710                    .removeAttr('data-lazy data-srcset data-sizes')
1711                    .removeClass('slick-loading');
1712
1713                if ( _.options.adaptiveHeight === true ) {
1714                    _.setPosition();
1715                }
1716
1717                _.$slider.trigger('lazyLoaded', [ _, image, imageSource ]);
1718                _.progressiveLazyLoad();
1719
1720            };
1721
1722            imageToLoad.onerror = function() {
1723
1724                if ( tryCount < 3 ) {
1725
1726                    /**
1727                     * try to load the image 3 times,
1728                     * leave a slight delay so we don't get
1729                     * servers blocking the request.
1730                     */
1731                    setTimeout( function() {
1732                        _.progressiveLazyLoad( tryCount + 1 );
1733                    }, 500 );
1734
1735                } else {
1736
1737                    image
1738                        .removeAttr( 'data-lazy' )
1739                        .removeClass( 'slick-loading' )
1740                        .addClass( 'slick-lazyload-error' );
1741
1742                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);
1743
1744                    _.progressiveLazyLoad();
1745
1746                }
1747
1748            };
1749
1750            imageToLoad.src = imageSource;
1751
1752        } else {
1753
1754            _.$slider.trigger('allImagesLoaded', [ _ ]);
1755
1756        }
1757
1758    };
1759
1760    Slick.prototype.refresh = function( initializing ) {
1761
1762        var _ = this, currentSlide, lastVisibleIndex;
1763
1764        lastVisibleIndex = _.slideCount - _.options.slidesToShow;
1765
1766        // in non-infinite sliders, we don't want to go past the
1767        // last visible index.
1768        if( !_.options.infinite && ( _.currentSlide > lastVisibleIndex )) {
1769            _.currentSlide = lastVisibleIndex;
1770        }
1771
1772        // if less slides than to show, go to start.
1773        if ( _.slideCount <= _.options.slidesToShow ) {
1774            _.currentSlide = 0;
1775
1776        }
1777
1778        currentSlide = _.currentSlide;
1779
1780        _.destroy(true);
1781
1782        $.extend(_, _.initials, { currentSlide: currentSlide });
1783
1784        _.init();
1785
1786        if( !initializing ) {
1787
1788            _.changeSlide({
1789                data: {
1790                    message: 'index',
1791                    index: currentSlide
1792                }
1793            }, false);
1794
1795        }
1796
1797    };
1798
1799    Slick.prototype.registerBreakpoints = function() {
1800
1801        var _ = this, breakpoint, currentBreakpoint, l,
1802            responsiveSettings = _.options.responsive || null;
1803
1804        if ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) {
1805
1806            _.respondTo = _.options.respondTo || 'window';
1807
1808            for ( breakpoint in responsiveSettings ) {
1809
1810                l = _.breakpoints.length-1;
1811
1812                if (responsiveSettings.hasOwnProperty(breakpoint)) {
1813                    currentBreakpoint = responsiveSettings[breakpoint].breakpoint;
1814
1815                    // loop through the breakpoints and cut out any existing
1816                    // ones with the same breakpoint number, we don't want dupes.
1817                    while( l >= 0 ) {
1818                        if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) {
1819                            _.breakpoints.splice(l,1);
1820                        }
1821                        l--;
1822                    }
1823
1824                    _.breakpoints.push(currentBreakpoint);
1825                    _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;
1826
1827                }
1828
1829            }
1830
1831            _.breakpoints.sort(function(a, b) {
1832                return ( _.options.mobileFirst ) ? a-b : b-a;
1833            });
1834
1835        }
1836
1837    };
1838
1839    Slick.prototype.reinit = function() {
1840
1841        var _ = this;
1842
1843        _.$slides =
1844            _.$slideTrack
1845                .children(_.options.slide)
1846                .addClass('slick-slide');
1847
1848        _.slideCount = _.$slides.length;
1849
1850        if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) {
1851            _.currentSlide = _.currentSlide - _.options.slidesToScroll;
1852        }
1853
1854        if (_.slideCount <= _.options.slidesToShow) {
1855            _.currentSlide = 0;
1856        }
1857
1858        _.registerBreakpoints();
1859
1860        _.setProps();
1861        _.setupInfinite();
1862        _.buildArrows();
1863        _.updateArrows();
1864        _.initArrowEvents();
1865        _.buildDots();
1866        _.updateDots();
1867        _.initDotEvents();
1868        _.cleanUpSlideEvents();
1869        _.initSlideEvents();
1870
1871        _.checkResponsive(false, true);
1872
1873        if (_.options.focusOnSelect === true) {
1874            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
1875        }
1876
1877        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
1878
1879        _.setPosition();
1880        _.focusHandler();
1881
1882        _.paused = !_.options.autoplay;
1883        _.autoPlay();
1884
1885        _.$slider.trigger('reInit', [_]);
1886
1887    };
1888
1889    Slick.prototype.resize = function() {
1890
1891        var _ = this;
1892
1893        if ($(window).width() !== _.windowWidth) {
1894            clearTimeout(_.windowDelay);
1895            _.windowDelay = window.setTimeout(function() {
1896                _.windowWidth = $(window).width();
1897                _.checkResponsive();
1898                if( !_.unslicked ) { _.setPosition(); }
1899            }, 50);
1900        }
1901    };
1902
1903    Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) {
1904
1905        var _ = this;
1906
1907        if (typeof(index) === 'boolean') {
1908            removeBefore = index;
1909            index = removeBefore === true ? 0 : _.slideCount - 1;
1910        } else {
1911            index = removeBefore === true ? --index : index;
1912        }
1913
1914        if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) {
1915            return false;
1916        }
1917
1918        _.unload();
1919
1920        if (removeAll === true) {
1921            _.$slideTrack.children().remove();
1922        } else {
1923            _.$slideTrack.children(this.options.slide).eq(index).remove();
1924        }
1925
1926        _.$slides = _.$slideTrack.children(this.options.slide);
1927
1928        _.$slideTrack.children(this.options.slide).detach();
1929
1930        _.$slideTrack.append(_.$slides);
1931
1932        _.$slidesCache = _.$slides;
1933
1934        _.reinit();
1935
1936    };
1937
1938    Slick.prototype.setCSS = function(position) {
1939
1940        var _ = this,
1941            positionProps = {},
1942            x, y;
1943
1944        if (_.options.rtl === true) {
1945            position = -position;
1946        }
1947        x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px';
1948        y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px';
1949
1950        positionProps[_.positionProp] = position;
1951
1952        if (_.transformsEnabled === false) {
1953            _.$slideTrack.css(positionProps);
1954        } else {
1955            positionProps = {};
1956            if (_.cssTransitions === false) {
1957                positionProps[_.animType] = 'translate(' + x + ', ' + y + ')';
1958                _.$slideTrack.css(positionProps);
1959            } else {
1960                positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)';
1961                _.$slideTrack.css(positionProps);
1962            }
1963        }
1964
1965    };
1966
1967    Slick.prototype.setDimensions = function() {
1968
1969        var _ = this;
1970
1971        if (_.options.vertical === false) {
1972            if (_.options.centerMode === true) {
1973                _.$list.css({
1974                    padding: ('0px ' + _.options.centerPadding)
1975                });
1976            }
1977        } else {
1978            _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow);
1979            if (_.options.centerMode === true) {
1980                _.$list.css({
1981                    padding: (_.options.centerPadding + ' 0px')
1982                });
1983            }
1984        }
1985
1986        _.listWidth = _.$list.width();
1987        _.listHeight = _.$list.height();
1988
1989
1990        if (_.options.vertical === false && _.options.variableWidth === false) {
1991            _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow);
1992            _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length)));
1993
1994        } else if (_.options.variableWidth === true) {
1995            _.$slideTrack.width(5000 * _.slideCount);
1996        } else {
1997            _.slideWidth = Math.ceil(_.listWidth);
1998            _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length)));
1999        }
2000
2001        var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width();
2002        if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset);
2003
2004    };
2005
2006    Slick.prototype.setFade = function() {
2007
2008        var _ = this,
2009            targetLeft;
2010
2011        _.$slides.each(function(index, element) {
2012            targetLeft = (_.slideWidth * index) * -1;
2013            if (_.options.rtl === true) {
2014                $(element).css({
2015                    position: 'relative',
2016                    right: targetLeft,
2017                    top: 0,
2018                    zIndex: _.options.zIndex - 2,
2019                    opacity: 0
2020                });
2021            } else {
2022                $(element).css({
2023                    position: 'relative',
2024                    left: targetLeft,
2025                    top: 0,
2026                    zIndex: _.options.zIndex - 2,
2027                    opacity: 0
2028                });
2029            }
2030        });
2031
2032        _.$slides.eq(_.currentSlide).css({
2033            zIndex: _.options.zIndex - 1,
2034            opacity: 1
2035        });
2036
2037    };
2038
2039    Slick.prototype.setHeight = function() {
2040
2041        var _ = this;
2042
2043        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
2044            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
2045            _.$list.css('height', targetHeight);
2046        }
2047
2048    };
2049
2050    Slick.prototype.setOption =
2051    Slick.prototype.slickSetOption = function() {
2052
2053        /**
2054         * accepts arguments in format of:
2055         *
2056         *  - for changing a single option's value:
2057         *     .slick("setOption", option, value, refresh )
2058         *
2059         *  - for changing a set of responsive options:
2060         *     .slick("setOption", 'responsive', [{}, ...], refresh )
2061         *
2062         *  - for updating multiple values at once (not responsive)
2063         *     .slick("setOption", { 'option': value, ... }, refresh )
2064         */
2065
2066        var _ = this, l, item, option, value, refresh = false, type;
2067
2068        if( $.type( arguments[0] ) === 'object' ) {
2069
2070            option =  arguments[0];
2071            refresh = arguments[1];
2072            type = 'multiple';
2073
2074        } else if ( $.type( arguments[0] ) === 'string' ) {
2075
2076            option =  arguments[0];
2077            value = arguments[1];
2078            refresh = arguments[2];
2079
2080            if ( arguments[0] === 'responsive' && $.type( arguments[1] ) === 'array' ) {
2081
2082                type = 'responsive';
2083
2084            } else if ( typeof arguments[1] !== 'undefined' ) {
2085
2086                type = 'single';
2087
2088            }
2089
2090        }
2091
2092        if ( type === 'single' ) {
2093
2094            _.options[option] = value;
2095
2096
2097        } else if ( type === 'multiple' ) {
2098
2099            $.each( option , function( opt, val ) {
2100
2101                _.options[opt] = val;
2102
2103            });
2104
2105
2106        } else if ( type === 'responsive' ) {
2107
2108            for ( item in value ) {
2109
2110                if( $.type( _.options.responsive ) !== 'array' ) {
2111
2112                    _.options.responsive = [ value[item] ];
2113
2114                } else {
2115
2116                    l = _.options.responsive.length-1;
2117
2118                    // loop through the responsive object and splice out duplicates.
2119                    while( l >= 0 ) {
2120
2121                        if( _.options.responsive[l].breakpoint === value[item].breakpoint ) {
2122
2123                            _.options.responsive.splice(l,1);
2124
2125                        }
2126
2127                        l--;
2128
2129                    }
2130
2131                    _.options.responsive.push( value[item] );
2132
2133                }
2134
2135            }
2136
2137        }
2138
2139        if ( refresh ) {
2140
2141            _.unload();
2142            _.reinit();
2143
2144        }
2145
2146    };
2147
2148    Slick.prototype.setPosition = function() {
2149
2150        var _ = this;
2151
2152        _.setDimensions();
2153
2154        _.setHeight();
2155
2156        if (_.options.fade === false) {
2157            _.setCSS(_.getLeft(_.currentSlide));
2158        } else {
2159            _.setFade();
2160        }
2161
2162        _.$slider.trigger('setPosition', [_]);
2163
2164    };
2165
2166    Slick.prototype.setProps = function() {
2167
2168        var _ = this,
2169            bodyStyle = document.body.style;
2170
2171        _.positionProp = _.options.vertical === true ? 'top' : 'left';
2172
2173        if (_.positionProp === 'top') {
2174            _.$slider.addClass('slick-vertical');
2175        } else {
2176            _.$slider.removeClass('slick-vertical');
2177        }
2178
2179        if (bodyStyle.WebkitTransition !== undefined ||
2180            bodyStyle.MozTransition !== undefined ||
2181            bodyStyle.msTransition !== undefined) {
2182            if (_.options.useCSS === true) {
2183                _.cssTransitions = true;
2184            }
2185        }
2186
2187        if ( _.options.fade ) {
2188            if ( typeof _.options.zIndex === 'number' ) {
2189                if( _.options.zIndex < 3 ) {
2190                    _.options.zIndex = 3;
2191                }
2192            } else {
2193                _.options.zIndex = _.defaults.zIndex;
2194            }
2195        }
2196
2197        if (bodyStyle.OTransform !== undefined) {
2198            _.animType = 'OTransform';
2199            _.transformType = '-o-transform';
2200            _.transitionType = 'OTransition';
2201            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
2202        }
2203        if (bodyStyle.MozTransform !== undefined) {
2204            _.animType = 'MozTransform';
2205            _.transformType = '-moz-transform';
2206            _.transitionType = 'MozTransition';
2207            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false;
2208        }
2209        if (bodyStyle.webkitTransform !== undefined) {
2210            _.animType = 'webkitTransform';
2211            _.transformType = '-webkit-transform';
2212            _.transitionType = 'webkitTransition';
2213            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
2214        }
2215        if (bodyStyle.msTransform !== undefined) {
2216            _.animType = 'msTransform';
2217            _.transformType = '-ms-transform';
2218            _.transitionType = 'msTransition';
2219            if (bodyStyle.msTransform === undefined) _.animType = false;
2220        }
2221        if (bodyStyle.transform !== undefined && _.animType !== false) {
2222            _.animType = 'transform';
2223            _.transformType = 'transform';
2224            _.transitionType = 'transition';
2225        }
2226        _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false);
2227    };
2228
2229
2230    Slick.prototype.setSlideClasses = function(index) {
2231
2232        var _ = this,
2233            centerOffset, allSlides, indexOffset, remainder;
2234
2235        allSlides = _.$slider
2236            .find('.slick-slide')
2237            .removeClass('slick-active slick-center slick-current')
2238            .attr('aria-hidden', 'true');
2239
2240        _.$slides
2241            .eq(index)
2242            .addClass('slick-current');
2243
2244        if (_.options.centerMode === true) {
2245
2246            
vendor: 19,978 bytes, lines 2246-2951
2246centerOffset = Math.floor(_.options.slidesToShow / 2);
2247
2248            if (_.options.infinite === true) {
2249
2250                if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) {
2251
2252                    _.$slides
2253                        .slice(index - centerOffset, index + centerOffset + 1)
2254                        .addClass('slick-active')
2255                        .attr('aria-hidden', 'false');
2256
2257                } else {
2258
2259                    indexOffset = _.options.slidesToShow + index;
2260                    allSlides
2261                        .slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2)
2262                        .addClass('slick-active')
2263                        .attr('aria-hidden', 'false');
2264
2265                }
2266
2267                if (index === 0) {
2268
2269                    allSlides
2270                        .eq(allSlides.length - 1 - _.options.slidesToShow)
2271                        .addClass('slick-center');
2272
2273                } else if (index === _.slideCount - 1) {
2274
2275                    allSlides
2276                        .eq(_.options.slidesToShow)
2277                        .addClass('slick-center');
2278
2279                }
2280
2281            }
2282
2283            _.$slides
2284                .eq(index)
2285                .addClass('slick-center');
2286
2287        } else {
2288
2289            if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {
2290
2291                _.$slides
2292                    .slice(index, index + _.options.slidesToShow)
2293                    .addClass('slick-active')
2294                    .attr('aria-hidden', 'false');
2295
2296            } else if (allSlides.length <= _.options.slidesToShow) {
2297
2298                allSlides
2299                    .addClass('slick-active')
2300                    .attr('aria-hidden', 'false');
2301
2302            } else {
2303
2304                remainder = _.slideCount % _.options.slidesToShow;
2305                indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;
2306
2307                if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) {
2308
2309                    allSlides
2310                        .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder)
2311                        .addClass('slick-active')
2312                        .attr('aria-hidden', 'false');
2313
2314                } else {
2315
2316                    allSlides
2317                        .slice(indexOffset, indexOffset + _.options.slidesToShow)
2318                        .addClass('slick-active')
2319                        .attr('aria-hidden', 'false');
2320
2321                }
2322
2323            }
2324
2325        }
2326
2327        if (_.options.lazyLoad === 'ondemand' || _.options.lazyLoad === 'anticipated') {
2328            _.lazyLoad();
2329        }
2330    };
2331
2332    Slick.prototype.setupInfinite = function() {
2333
2334        var _ = this,
2335            i, slideIndex, infiniteCount;
2336
2337        if (_.options.fade === true) {
2338            _.options.centerMode = false;
2339        }
2340
2341        if (_.options.infinite === true && _.options.fade === false) {
2342
2343            slideIndex = null;
2344
2345            if (_.slideCount > _.options.slidesToShow) {
2346
2347                if (_.options.centerMode === true) {
2348                    infiniteCount = _.options.slidesToShow + 1;
2349                } else {
2350                    infiniteCount = _.options.slidesToShow;
2351                }
2352
2353                for (i = _.slideCount; i > (_.slideCount -
2354                        infiniteCount); i -= 1) {
2355                    slideIndex = i - 1;
2356                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
2357                        .attr('data-slick-index', slideIndex - _.slideCount)
2358                        .prependTo(_.$slideTrack).addClass('slick-cloned');
2359                }
2360                for (i = 0; i < infiniteCount; i += 1) {
2361                    slideIndex = i;
2362                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
2363                        .attr('data-slick-index', slideIndex + _.slideCount)
2364                        .appendTo(_.$slideTrack).addClass('slick-cloned');
2365                }
2366                _.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
2367                    $(this).attr('id', '');
2368                });
2369
2370            }
2371
2372        }
2373
2374    };
2375
2376    Slick.prototype.interrupt = function( toggle ) {
2377
2378        var _ = this;
2379
2380        if( !toggle ) {
2381            _.autoPlay();
2382        }
2383        _.interrupted = toggle;
2384
2385    };
2386
2387    Slick.prototype.selectHandler = function(event) {
2388
2389        var _ = this;
2390
2391        var targetElement =
2392            $(event.target).is('.slick-slide') ?
2393                $(event.target) :
2394                $(event.target).parents('.slick-slide');
2395
2396        var index = parseInt(targetElement.attr('data-slick-index'));
2397
2398        if (!index) index = 0;
2399
2400        if (_.slideCount <= _.options.slidesToShow) {
2401
2402            _.slideHandler(index, false, true);
2403            return;
2404
2405        }
2406
2407        _.slideHandler(index);
2408
2409    };
2410
2411    Slick.prototype.slideHandler = function(index, sync, dontAnimate) {
2412
2413        var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null,
2414            _ = this, navTarget;
2415
2416        sync = sync || false;
2417
2418        if (_.animating === true && _.options.waitForAnimate === true) {
2419            return;
2420        }
2421
2422        if (_.options.fade === true && _.currentSlide === index) {
2423            return;
2424        }
2425
2426        if (sync === false) {
2427            _.asNavFor(index);
2428        }
2429
2430        targetSlide = index;
2431        targetLeft = _.getLeft(targetSlide);
2432        slideLeft = _.getLeft(_.currentSlide);
2433
2434        _.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;
2435
2436        if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) {
2437            if (_.options.fade === false) {
2438                targetSlide = _.currentSlide;
2439                if (dontAnimate !== true) {
2440                    _.animateSlide(slideLeft, function() {
2441                        _.postSlide(targetSlide);
2442                    });
2443                } else {
2444                    _.postSlide(targetSlide);
2445                }
2446            }
2447            return;
2448        } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
2449            if (_.options.fade === false) {
2450                targetSlide = _.currentSlide;
2451                if (dontAnimate !== true) {
2452                    _.animateSlide(slideLeft, function() {
2453                        _.postSlide(targetSlide);
2454                    });
2455                } else {
2456                    _.postSlide(targetSlide);
2457                }
2458            }
2459            return;
2460        }
2461
2462        if ( _.options.autoplay ) {
2463            clearInterval(_.autoPlayTimer);
2464        }
2465
2466        if (targetSlide < 0) {
2467            if (_.slideCount % _.options.slidesToScroll !== 0) {
2468                animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
2469            } else {
2470                animSlide = _.slideCount + targetSlide;
2471            }
2472        } else if (targetSlide >= _.slideCount) {
2473            if (_.slideCount % _.options.slidesToScroll !== 0) {
2474                animSlide = 0;
2475            } else {
2476                animSlide = targetSlide - _.slideCount;
2477            }
2478        } else {
2479            animSlide = targetSlide;
2480        }
2481
2482        _.animating = true;
2483
2484        _.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]);
2485
2486        oldSlide = _.currentSlide;
2487        _.currentSlide = animSlide;
2488
2489        _.setSlideClasses(_.currentSlide);
2490
2491        if ( _.options.asNavFor ) {
2492
2493            navTarget = _.getNavTarget();
2494            navTarget = navTarget.slick('getSlick');
2495
2496            if ( navTarget.slideCount <= navTarget.options.slidesToShow ) {
2497                navTarget.setSlideClasses(_.currentSlide);
2498            }
2499
2500        }
2501
2502        _.updateDots();
2503        _.updateArrows();
2504
2505        if (_.options.fade === true) {
2506            if (dontAnimate !== true) {
2507
2508                _.fadeSlideOut(oldSlide);
2509
2510                _.fadeSlide(animSlide, function() {
2511                    _.postSlide(animSlide);
2512                });
2513
2514            } else {
2515                _.postSlide(animSlide);
2516            }
2517            _.animateHeight();
2518            return;
2519        }
2520
2521        if (dontAnimate !== true) {
2522            _.animateSlide(targetLeft, function() {
2523                _.postSlide(animSlide);
2524            });
2525        } else {
2526            _.postSlide(animSlide);
2527        }
2528
2529    };
2530
2531    Slick.prototype.startLoad = function() {
2532
2533        var _ = this;
2534
2535        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
2536
2537            _.$prevArrow.hide();
2538            _.$nextArrow.hide();
2539
2540        }
2541
2542        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
2543
2544            _.$dots.hide();
2545
2546        }
2547
2548        _.$slider.addClass('slick-loading');
2549
2550    };
2551
2552    Slick.prototype.swipeDirection = function() {
2553
2554        var xDist, yDist, r, swipeAngle, _ = this;
2555
2556        xDist = _.touchObject.startX - _.touchObject.curX;
2557        yDist = _.touchObject.startY - _.touchObject.curY;
2558        r = Math.atan2(yDist, xDist);
2559
2560        swipeAngle = Math.round(r * 180 / Math.PI);
2561        if (swipeAngle < 0) {
2562            swipeAngle = 360 - Math.abs(swipeAngle);
2563        }
2564
2565        if ((swipeAngle <= 45) && (swipeAngle >= 0)) {
2566            return (_.options.rtl === false ? 'left' : 'right');
2567        }
2568        if ((swipeAngle <= 360) && (swipeAngle >= 315)) {
2569            return (_.options.rtl === false ? 'left' : 'right');
2570        }
2571        if ((swipeAngle >= 135) && (swipeAngle <= 225)) {
2572            return (_.options.rtl === false ? 'right' : 'left');
2573        }
2574        if (_.options.verticalSwiping === true) {
2575            if ((swipeAngle >= 35) && (swipeAngle <= 135)) {
2576                return 'down';
2577            } else {
2578                return 'up';
2579            }
2580        }
2581
2582        return 'vertical';
2583
2584    };
2585
2586    Slick.prototype.swipeEnd = function(event) {
2587
2588        var _ = this,
2589            slideCount,
2590            direction;
2591
2592        _.dragging = false;
2593        _.swiping = false;
2594
2595        if (_.scrolling) {
2596            _.scrolling = false;
2597            return false;
2598        }
2599
2600        _.interrupted = false;
2601        _.shouldClick = ( _.touchObject.swipeLength > 10 ) ? false : true;
2602
2603        if ( _.touchObject.curX === undefined ) {
2604            return false;
2605        }
2606
2607        if ( _.touchObject.edgeHit === true ) {
2608            _.$slider.trigger('edge', [_, _.swipeDirection() ]);
2609        }
2610
2611        if ( _.touchObject.swipeLength >= _.touchObject.minSwipe ) {
2612
2613            direction = _.swipeDirection();
2614
2615            switch ( direction ) {
2616
2617                case 'left':
2618                case 'down':
2619
2620                    slideCount =
2621                        _.options.swipeToSlide ?
2622                            _.checkNavigable( _.currentSlide + _.getSlideCount() ) :
2623                            _.currentSlide + _.getSlideCount();
2624
2625                    _.currentDirection = 0;
2626
2627                    break;
2628
2629                case 'right':
2630                case 'up':
2631
2632                    slideCount =
2633                        _.options.swipeToSlide ?
2634                            _.checkNavigable( _.currentSlide - _.getSlideCount() ) :
2635                            _.currentSlide - _.getSlideCount();
2636
2637                    _.currentDirection = 1;
2638
2639                    break;
2640
2641                default:
2642
2643
2644            }
2645
2646            if( direction != 'vertical' ) {
2647
2648                _.slideHandler( slideCount );
2649                _.touchObject = {};
2650                _.$slider.trigger('swipe', [_, direction ]);
2651
2652            }
2653
2654        } else {
2655
2656            if ( _.touchObject.startX !== _.touchObject.curX ) {
2657
2658                _.slideHandler( _.currentSlide );
2659                _.touchObject = {};
2660
2661            }
2662
2663        }
2664
2665    };
2666
2667    Slick.prototype.swipeHandler = function(event) {
2668
2669        var _ = this;
2670
2671        if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) {
2672            return;
2673        } else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) {
2674            return;
2675        }
2676
2677        _.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ?
2678            event.originalEvent.touches.length : 1;
2679
2680        _.touchObject.minSwipe = _.listWidth / _.options
2681            .touchThreshold;
2682
2683        if (_.options.verticalSwiping === true) {
2684            _.touchObject.minSwipe = _.listHeight / _.options
2685                .touchThreshold;
2686        }
2687
2688        switch (event.data.action) {
2689
2690            case 'start':
2691                _.swipeStart(event);
2692                break;
2693
2694            case 'move':
2695                _.swipeMove(event);
2696                break;
2697
2698            case 'end':
2699                _.swipeEnd(event);
2700                break;
2701
2702        }
2703
2704    };
2705
2706    Slick.prototype.swipeMove = function(event) {
2707
2708        var _ = this,
2709            edgeWasHit = false,
2710            curLeft, swipeDirection, swipeLength, positionOffset, touches, verticalSwipeLength;
2711
2712        touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;
2713
2714        if (!_.dragging || _.scrolling || touches && touches.length !== 1) {
2715            return false;
2716        }
2717
2718        curLeft = _.getLeft(_.currentSlide);
2719
2720        _.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX;
2721        _.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY;
2722
2723        _.touchObject.swipeLength = Math.round(Math.sqrt(
2724            Math.pow(_.touchObject.curX - _.touchObject.startX, 2)));
2725
2726        verticalSwipeLength = Math.round(Math.sqrt(
2727            Math.pow(_.touchObject.curY - _.touchObject.startY, 2)));
2728
2729        if (!_.options.verticalSwiping && !_.swiping && verticalSwipeLength > 4) {
2730            _.scrolling = true;
2731            return false;
2732        }
2733
2734        if (_.options.verticalSwiping === true) {
2735            _.touchObject.swipeLength = verticalSwipeLength;
2736        }
2737
2738        swipeDirection = _.swipeDirection();
2739
2740        if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) {
2741            _.swiping = true;
2742            event.preventDefault();
2743        }
2744
2745        positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1);
2746        if (_.options.verticalSwiping === true) {
2747            positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1;
2748        }
2749
2750
2751        swipeLength = _.touchObject.swipeLength;
2752
2753        _.touchObject.edgeHit = false;
2754
2755        if (_.options.infinite === false) {
2756            if ((_.currentSlide === 0 && swipeDirection === 'right') || (_.currentSlide >= _.getDotCount() && swipeDirection === 'left')) {
2757                swipeLength = _.touchObject.swipeLength * _.options.edgeFriction;
2758                _.touchObject.edgeHit = true;
2759            }
2760        }
2761
2762        if (_.options.vertical === false) {
2763            _.swipeLeft = curLeft + swipeLength * positionOffset;
2764        } else {
2765            _.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset;
2766        }
2767        if (_.options.verticalSwiping === true) {
2768            _.swipeLeft = curLeft + swipeLength * positionOffset;
2769        }
2770
2771        if (_.options.fade === true || _.options.touchMove === false) {
2772            return false;
2773        }
2774
2775        if (_.animating === true) {
2776            _.swipeLeft = null;
2777            return false;
2778        }
2779
2780        _.setCSS(_.swipeLeft);
2781
2782    };
2783
2784    Slick.prototype.swipeStart = function(event) {
2785
2786        var _ = this,
2787            touches;
2788
2789        _.interrupted = true;
2790
2791        if (_.touchObject.fingerCount !== 1 || _.slideCount <= _.options.slidesToShow) {
2792            _.touchObject = {};
2793            return false;
2794        }
2795
2796        if (event.originalEvent !== undefined && event.originalEvent.touches !== undefined) {
2797            touches = event.originalEvent.touches[0];
2798        }
2799
2800        _.touchObject.startX = _.touchObject.curX = touches !== undefined ? touches.pageX : event.clientX;
2801        _.touchObject.startY = _.touchObject.curY = touches !== undefined ? touches.pageY : event.clientY;
2802
2803        _.dragging = true;
2804
2805    };
2806
2807    Slick.prototype.unfilterSlides = Slick.prototype.slickUnfilter = function() {
2808
2809        var _ = this;
2810
2811        if (_.$slidesCache !== null) {
2812
2813            _.unload();
2814
2815            _.$slideTrack.children(this.options.slide).detach();
2816
2817            _.$slidesCache.appendTo(_.$slideTrack);
2818
2819            _.reinit();
2820
2821        }
2822
2823    };
2824
2825    Slick.prototype.unload = function() {
2826
2827        var _ = this;
2828
2829        $('.slick-cloned', _.$slider).remove();
2830
2831        if (_.$dots) {
2832            _.$dots.remove();
2833        }
2834
2835        if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) {
2836            _.$prevArrow.remove();
2837        }
2838
2839        if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) {
2840            _.$nextArrow.remove();
2841        }
2842
2843        _.$slides
2844            .removeClass('slick-slide slick-active slick-visible slick-current')
2845            .attr('aria-hidden', 'true')
2846            .css('width', '');
2847
2848    };
2849
2850    Slick.prototype.unslick = function(fromBreakpoint) {
2851
2852        var _ = this;
2853        _.$slider.trigger('unslick', [_, fromBreakpoint]);
2854        _.destroy();
2855
2856    };
2857
2858    Slick.prototype.updateArrows = function() {
2859
2860        var _ = this,
2861            centerOffset;
2862
2863        centerOffset = Math.floor(_.options.slidesToShow / 2);
2864
2865        if ( _.options.arrows === true &&
2866            _.slideCount > _.options.slidesToShow &&
2867            !_.options.infinite ) {
2868
2869            _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2870            _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2871
2872            if (_.currentSlide === 0) {
2873
2874                _.$prevArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2875                _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2876
2877            } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) {
2878
2879                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2880                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2881
2882            } else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) {
2883
2884                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2885                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2886
2887            }
2888
2889        }
2890
2891    };
2892
2893    Slick.prototype.updateDots = function() {
2894
2895        var _ = this;
2896
2897        if (_.$dots !== null) {
2898
2899            _.$dots
2900                .find('li')
2901                .removeClass('slick-active')
2902                .attr('aria-hidden', 'true');
2903
2904            _.$dots
2905                .find('li')
2906                .eq(Math.floor(_.currentSlide / _.options.slidesToScroll))
2907                .addClass('slick-active')
2908                .attr('aria-hidden', 'false');
2909
2910        }
2911
2912    };
2913
2914    Slick.prototype.visibility = function() {
2915
2916        var _ = this;
2917
2918        if ( _.options.autoplay ) {
2919
2920            if ( document[_.hidden] ) {
2921
2922                _.interrupted = true;
2923
2924            } else {
2925
2926                _.interrupted = false;
2927
2928            }
2929
2930        }
2931
2932    };
2933
2934    $.fn.slick = function() {
2935        var _ = this,
2936            opt = arguments[0],
2937            args = Array.prototype.slice.call(arguments, 1),
2938            l = _.length,
2939            i,
2940            ret;
2941        for (i = 0; i < l; i++) {
2942            if (typeof opt == 'object' || typeof opt == 'undefined')
2943                _[i].slick = new Slick(_[i], opt);
2944            else
2945                ret = _[i].slick[opt].apply(_[i].slick, args);
2946            if (typeof ret != 'undefined') return ret;
2947        }
2948        return _;
2949    };
2950
2951}));

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