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35
36    var Slick = window.Slick || {};
37
38    Slick = (function() {
39
40        var instanceUid = 0;
41
42        function Slick(element, settings) {
43
44            var _ = this, dataSettings;
45
46            _.defaults = {
47                accessibility: true,
48                adaptiveHeight: false,
49                appendArrows: $(element),
50                appendDots: $(element),
51                arrows: true,
52                asNavFor: null,
53                prevArrow: '<button class="slick-prev" aria-label="Previous" type="button">Previous</button>',
54                nextArrow: '<button class="slick-next" aria-label="Next" type="button">Next</button>',
55                autoplay: false,
56                autoplaySpeed: 3000,
57                centerMode: false,
58                centerPadding: '50px',
59                cssEase: 'ease',
60                customPaging: function(slider, i) {
61                    return $('<button type="button" />').text(i + 1);
62                },
63                dots: false,
64                dotsClass: 'slick-dots',
65                draggable: true,
66                easing: 'linear',
67                edgeFriction: 0.35,
68                fade: false,
69                focusOnSelect: false,
70                focusOnChange: false,
71                infinite: true,
72                initialSlide: 0,
73                lazyLoad: 'ondemand',
74                mobileFirst: false,
75                pauseOnHover: true,
76                pauseOnFocus: true,
77                pauseOnDotsHover: false,
78                respondTo: 'window',
79                responsive: null,
80                rows: 1,
81                rtl: false,
82                slide: '',
83                slidesPerRow: 1,
84                slidesToShow: 1,
85                slidesToScroll: 1,
86                speed: 500,
87                swipe: true,
88                swipeToSlide: false,
89                touchMove: true,
90                touchThreshold: 5,
91                useCSS: true,
92                useTransform: true,
93                variableWidth: false,
94                vertical: false,
95                verticalSwiping: false,
96                waitForAnimate: true,
97                zIndex: 1000
98            };
99
100            _.initials = {
101                animating: false,
102                dragging: false,
103                autoPlayTimer: null,
104                currentDirection: 0,
105                currentLeft: null,
106                currentSlide: 0,
107                direction: 1,
108                $dots: null,
109                listWidth: null,
110                listHeight: null,
111                loadIndex: 0,
112                $nextArrow: null,
113                $prevArrow: null,
114                scrolling: false,
115                slideCount: null,
116                slideWidth: null,
117                $slideTrack: null,
118                $slides: null,
119                sliding: false,
120                slideOffset: 0,
121                swipeLeft: null,
122                swiping: false,
123                $list: null,
124                touchObject: {},
125                transformsEnabled: false,
126                unslicked: false
127            };
128
129            $.extend(_, _.initials);
130
131            _.activeBreakpoint = null;
132            _.animType = null;
133            _.animProp = null;
134            _.breakpoints = [];
135            _.breakpointSettings = [];
136            _.cssTransitions = false;
137            _.focussed = false;
138            _.interrupted = false;
139            _.hidden = 'hidden';
140            _.paused = true;
141            _.positionProp = null;
142            _.respondTo = null;
143            _.rowCount = 1;
144            _.shouldClick = true;
145            _.$slider = $(element);
146            _.$slidesCache = null;
147            _.transformType = null;
148            _.transitionType = null;
149            _.visibilityChange = 'visibilitychange';
150            _.windowWidth = 0;
151            _.windowTimer = null;
152
153            dataSettings = $(element).data('slick') || {};
154
155            _.options = $.extend({}, _.defaults, settings, dataSettings);
156
157            _.currentSlide = _.options.initialSlide;
158
159            _.originalSettings = _.options;
160
161            if (typeof document.mozHidden !== 'undefined') {
162                _.hidden = 'mozHidden';
163                _.visibilityChange = 'mozvisibilitychange';
164            } else if (typeof document.webkitHidden !== 'undefined') {
165                _.hidden = 'webkitHidden';
166                _.visibilityChange = 'webkitvisibilitychange';
167            }
168
169            _.autoPlay = $.proxy(_.autoPlay, _);
170            _.autoPlayClear = $.proxy(_.autoPlayClear, _);
171            _.autoPlayIterator = $.proxy(_.autoPlayIterator, _);
172            _.changeSlide = $.proxy(_.changeSlide, _);
173            _.clickHandler = $.proxy(_.clickHandler, _);
174            _.selectHandler = $.proxy(_.selectHandler, _);
175            _.setPosition = $.proxy(_.setPosition, _);
176            _.swipeHandler = $.proxy(_.swipeHandler, _);
177            _.dragHandler = $.proxy(_.dragHandler, _);
178            _.keyHandler = $.proxy(_.keyHandler, _);
179
180            _.instanceUid = instanceUid++;
181
182            // A simple way to check for HTML strings
183            // Strict HTML recognition (must start with <)
184            // Extracted from jQuery v1.11 source
185            _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;
186
187
188            _.registerBreakpoints();
189            _.init(true);
190
191        }
192
193        return Slick;
194
195    }());
196
197    Slick.prototype.activateADA = function() {
198        var _ = this;
199
200        _.$slideTrack.find('.slick-active').attr({
201            'aria-hidden': 'false'
202        }).find('a, input, button, select').attr({
203            'tabindex': '0'
204        });
205
206    };
207
208    Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) {
209
210        var _ = this;
211
212        if (typeof(index) === 'boolean') {
213            addBefore = index;
214            index = null;
215        } else if (index < 0 || (index >= _.slideCount)) {
216            return false;
217        }
218
219        _.unload();
220
221        if (typeof(index) === 'number') {
222            if (index === 0 && _.$slides.length === 0) {
223                $(markup).appendTo(_.$slideTrack);
224            } else if (addBefore) {
225                $(markup).insertBefore(_.$slides.eq(index));
226            } else {
227                $(markup).insertAfter(_.$slides.eq(index));
228            }
229        } else {
230            if (addBefore === true) {
231                $(markup).prependTo(_.$slideTrack);
232            } else {
233                $(markup).appendTo(_.$slideTrack);
234            }
235        }
236
237        _.$slides = _.$slideTrack.children(this.options.slide);
238
239        _.$slideTrack.children(this.options.slide).detach();
240
241        _.$slideTrack.append(_.$slides);
242
243        _.$slides.each(function(index, element) {
244            $(element).attr('data-slick-index', index);
245        });
246
247        _.$slidesCache = _.$slides;
248
249        _.reinit();
250
251    };
252
253    Slick.prototype.animateHeight = function() {
254        var _ = this;
255        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
256            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
257            _.$list.animate({
258                height: targetHeight
259            }, _.options.speed);
260        }
261    };
262
263    Slick.prototype.animateSlide = function(targetLeft, callback) {
264
265        var animProps = {},
266            _ = this;
267
268        _.animateHeight();
269
270        if (_.options.rtl === true && _.options.vertical === false) {
271            targetLeft = -targetLeft;
272        }
273        if (_.transformsEnabled === false) {
274            if (_.options.vertical === false) {
275                _.$slideTrack.animate({
276                    left: targetLeft
277                }, _.options.speed, _.options.easing, callback);
278            } else {
279                _.$slideTrack.animate({
280                    top: targetLeft
281                }, _.options.speed, _.options.easing, callback);
282            }
283
284        } else {
285
286            if (_.cssTransitions === false) {
287                if (_.options.rtl === true) {
288                    _.currentLeft = -(_.currentLeft);
289                }
290                $({
291                    animStart: _.currentLeft
292                }).animate({
293                    animStart: targetLeft
294                }, {
295                    duration: _.options.speed,
296                    easing: _.options.easing,
297                    step: function(now) {
298                        now = Math.ceil(now);
299                        if (_.options.vertical === false) {
300                            animProps[_.animType] = 'translate(' +
301                                now + 'px, 0px)';
302                            _.$slideTrack.css(animProps);
303                        } else {
304                            animProps[_.animType] = 'translate(0px,' +
305                                now + 'px)';
306                            _.$slideTrack.css(animProps);
307                        }
308                    },
309                    complete: function() {
310                        if (callback) {
311                            callback.call();
312                        }
313                    }
314                });
315
316            } else {
317
318                _.applyTransition();
319                targetLeft = Math.ceil(targetLeft);
320
321                if (_.options.vertical === false) {
322                    animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)';
323                } else {
324                    animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)';
325                }
326                _.$slideTrack.css(animProps);
327
328                if (callback) {
329                    setTimeout(function() {
330
331                        _.disableTransition();
332
333                        callback.call();
334                    }, _.options.speed);
335                }
336
337            }
338
339        }
340
341    };
342
343    Slick.prototype.getNavTarget = function() {
344
345        var _ = this,
346            asNavFor = _.options.asNavFor;
347
348        if ( asNavFor && asNavFor !== null ) {
349            asNavFor = $(asNavFor).not(_.$slider);
350        }
351
352        return asNavFor;
353
354    };
355
356    Slick.prototype.asNavFor = function(index) {
357
358        var _ = this,
359            asNavFor = _.getNavTarget();
360
361        if ( asNavFor !== null && typeof asNavFor === 'object' ) {
362            asNavFor.each(function() {
363                var target = $(this).slick('getSlick');
364                if(!target.unslicked) {
365                    target.slideHandler(index, true);
366                }
367            });
368        }
369
370    };
371
372    Slick.prototype.applyTransition = function(slide) {
373
374        var _ = this,
375            transition = {};
376
377        if (_.options.fade === false) {
378            transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase;
379        } else {
380            transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase;
381        }
382
383        if (_.options.fade === false) {
384            _.$slideTrack.css(transition);
385        } else {
386            _.$slides.eq(slide).css(transition);
387        }
388
389    };
390
391    Slick.prototype.autoPlay = function() {
392
393        var _ = this;
394
395        _.autoPlayClear();
396
397        if ( _.slideCount > _.options.slidesToShow ) {
398            _.autoPlayTimer = setInterval( _.autoPlayIterator, _.options.autoplaySpeed );
399        }
400
401    };
402
403    Slick.prototype.autoPlayClear = function() {
404
405        var _ = this;
406
407        if (_.autoPlayTimer) {
408            clearInterval(_.autoPlayTimer);
409        }
410
411    };
412
413    Slick.prototype.autoPlayIterator = function() {
414
415        var _ = this,
416            slideTo = _.currentSlide + _.options.slidesToScroll;
417
418        if ( !_.paused && !_.interrupted && !_.focussed ) {
419
420            if ( _.options.infinite === false ) {
421
422                if ( _.direction === 1 && ( _.currentSlide + 1 ) === ( _.slideCount - 1 )) {
423                    _.direction = 0;
424                }
425
426                else if ( _.direction === 0 ) {
427
428                    slideTo = _.currentSlide - _.options.slidesToScroll;
429
430                    if ( _.currentSlide - 1 === 0 ) {
431                        _.direction = 1;
432                    }
433
434                }
435
436            }
437
438            _.slideHandler( slideTo );
439
440        }
441
442    };
443
444    Slick.prototype.buildArrows = function() {
445
446        var _ = this;
447
448        if (_.options.arrows === true ) {
449
450            _.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow');
451            _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow');
452
453            if( _.slideCount > _.options.slidesToShow ) {
454
455                _.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
456                _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
457
458                if (_.htmlExpr.test(_.options.prevArrow)) {
459                    _.$prevArrow.prependTo(_.options.appendArrows);
460                }
461
462                if (_.htmlExpr.test(_.options.nextArrow)) {
463                    _.$nextArrow.appendTo(_.options.appendArrows);
464                }
465
466                if (_.options.infinite !== true) {
467                    _.$prevArrow
468                        .addClass('slick-disabled')
469                        .attr('aria-disabled', 'true');
470                }
471
472            } else {
473
474                _.$prevArrow.add( _.$nextArrow )
475
476                    .addClass('slick-hidden')
477                    .attr({
478                        'aria-disabled': 'true',
479                        'tabindex': '-1'
480                    });
481
482            }
483
484        }
485
486    };
487
488    Slick.prototype.buildDots = function() {
489
490        var _ = this,
491            i, dot;
492
493        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
494
495            _.$slider.addClass('slick-dotted');
496
497            dot = $('<ul />').addClass(_.options.dotsClass);
498
499            for (i = 0; i <= _.getDotCount(); i += 1) {
500                dot.append($('<li />').append(_.options.customPaging.call(this, _, i)));
501            }
502
503            _.$dots = dot.appendTo(_.options.appendDots);
504
505            _.$dots.find('li').first().addClass('slick-active');
506
507        }
508
509    };
510
511    Slick.prototype.buildOut = function() {
512
513        var _ = this;
514
515        _.$slides =
516            _.$slider
517                .children( _.options.slide + ':not(.slick-cloned)')
518                .addClass('slick-slide');
519
520        _.slideCount = _.$slides.length;
521
522        _.$slides.each(function(index, element) {
523            $(element)
524                .attr('data-slick-index', index)
525                .data('originalStyling', $(element).attr('style') || '');
526        });
527
528        _.$slider.addClass('slick-slider');
529
530        _.$slideTrack = (_.slideCount === 0) ?
531            $('<div class="slick-track"/>').appendTo(_.$slider) :
532            _.$slides.wrapAll('<div class="slick-track"/>').parent();
533
534        _.$list = _.$slideTrack.wrap(
535            '<div class="slick-list"/>').parent();
536        _.$slideTrack.css('opacity', 0);
537
538        if (_.options.centerMode === true || _.options.swipeToSlide === true) {
539            _.options.slidesToScroll = 1;
540        }
541
542        $('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');
543
544        _.setupInfinite();
545
546        _.buildArrows();
547
548        _.buildDots();
549
550        _.updateDots();
551
552
553        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
554
555        if (_.options.draggable === true) {
556            _.$list.addClass('draggable');
557        }
558
559    };
560
561    Slick.prototype.buildRows = function() {
562
563        var _ = this, a, b, c, newSlides, numOfSlides, originalSlides,slidesPerSection;
564
565        newSlides = document.createDocumentFragment();
566        originalSlides = _.$slider.children();
567
568        if(_.options.rows > 0) {
569
570            slidesPerSection = _.options.slidesPerRow * _.options.rows;
571            numOfSlides = Math.ceil(
572                originalSlides.length / slidesPerSection
573            );
574
575            for(a = 0; a < numOfSlides; a++){
576                var slide = document.createElement('div');
577                for(b = 0; b < _.options.rows; b++) {
578                    var row = document.createElement('div');
579                    for(c = 0; c < _.options.slidesPerRow; c++) {
580                        var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c));
581                        if (originalSlides.get(target)) {
582                            row.appendChild(originalSlides.get(target));
583                        }
584                    }
585                    slide.appendChild(row);
586                }
587                newSlides.appendChild(slide);
588            }
589
590            _.$slider.empty().append(newSlides);
591            _.$slider.children().children().children()
592                .css({
593                    'width':(100 / _.options.slidesPerRow) + '%',
594                    'display': 'inline-block'
595                });
596
597        }
598
599    };
600
601    Slick.prototype.checkResponsive = function(initial, forceUpdate) {
602
603        var _ = this,
604            breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false;
605        var sliderWidth = _.$slider.width();
606        var windowWidth = window.innerWidth || $(window).width();
607
608        if (_.respondTo === 'window') {
609            respondToWidth = windowWidth;
610        } else if (_.respondTo === 'slider') {
611            respondToWidth = sliderWidth;
612        } else if (_.respondTo === 'min') {
613            respondToWidth = Math.min(windowWidth, sliderWidth);
614        }
615
616        if ( _.options.responsive &&
617            _.options.responsive.length &&
618            _.options.responsive !== null) {
619
620            targetBreakpoint = null;
621
622            for (breakpoint in _.breakpoints) {
623                if (_.breakpoints.hasOwnProperty(breakpoint)) {
624                    if (_.originalSettings.mobileFirst === false) {
625                        if (respondToWidth < _.breakpoints[breakpoint]) {
626                            targetBreakpoint = _.breakpoints[breakpoint];
627                        }
628                    } else {
629                        if (respondToWidth > _.breakpoints[breakpoint]) {
630                            targetBreakpoint = _.breakpoints[breakpoint];
631                        }
632                    }
633                }
634            }
635
636            if (targetBreakpoint !== null) {
637                if (_.activeBreakpoint !== null) {
638                    if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) {
639                        _.activeBreakpoint =
640                            targetBreakpoint;
641                        if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
642                            _.unslick(targetBreakpoint);
643                        } else {
644                            _.options = $.extend({}, _.originalSettings,
645                                _.breakpointSettings[
646                                    targetBreakpoint]);
647                            if (initial === true) {
648                                _.currentSlide = _.options.initialSlide;
649                            }
650                            _.refresh(initial);
651                        }
652                        triggerBreakpoint = targetBreakpoint;
653                    }
654                } else {
655                    _.activeBreakpoint = targetBreakpoint;
656                    if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
657                        _.unslick(targetBreakpoint);
658                    } else {
659                        _.options = $.extend({}, _.originalSettings,
660                            _.breakpointSettings[
661                                targetBreakpoint]);
662                        if (initial === true) {
663                            _.currentSlide = _.options.initialSlide;
664                        }
665                        _.refresh(initial);
666                    }
667                    triggerBreakpoint = targetBreakpoint;
668                }
669            } else {
670                if (_.activeBreakpoint !== null) {
671                    _.activeBreakpoint = null;
672                    _.options = _.originalSettings;
673                    if (initial === true) {
674                        _.currentSlide = _.options.initialSlide;
675                    }
676                    _.refresh(initial);
677                    triggerBreakpoint = targetBreakpoint;
678                }
679            }
680
681            // only trigger breakpoints during an actual break. not on initialize.
682            if( !initial && triggerBreakpoint !== false ) {
683                _.$slider.trigger('breakpoint', [_, triggerBreakpoint]);
684            }
685        }
686
687    };
688
689    Slick.prototype.changeSlide = function(event, dontAnimate) {
690
691        var _ = this,
692            $target = $(event.currentTarget),
693            indexOffset, slideOffset, unevenOffset;
694
695        // If target is a link, prevent default action.
696        if($target.is('a')) {
697            event.preventDefault();
698        }
699
700        // If target is not the <li> element (ie: a child), find the <li>.
701        if(!$target.is('li')) {
702            $target = $target.closest('li');
703        }
704
705        unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0);
706        indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll;
707
708        switch (event.data.message) {
709
710            case 'previous':
711                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset;
712                if (_.slideCount > _.options.slidesToShow) {
713                    _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate);
714                }
715                break;
716
717            case 'next':
718                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset;
719                if (_.slideCount > _.options.slidesToShow) {
720                    _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate);
721                }
722                break;
723
724            case 'index':
725                var index = event.data.index === 0 ? 0 :
726                    event.data.index || $target.index() * _.options.slidesToScroll;
727
728                _.slideHandler(_.checkNavigable(index), false, dontAnimate);
729                $target.children().trigger('focus');
730                break;
731
732            default:
733                return;
734        }
735
736    };
737
738    Slick.prototype.checkNavigable = function(index) {
739
740        var _ = this,
741            navigables, prevNavigable;
742
743        navigables = _.getNavigableIndexes();
744        prevNavigable = 0;
745        if (index > navigables[navigables.length - 1]) {
746            index = navigables[navigables.length - 1];
747        } else {
748            for (var n in navigables) {
749                if (index < navigables[n]) {
750                    index = prevNavigable;
751                    break;
752                }
753                prevNavigable = navigables[n];
754            }
755        }
756
757        return index;
758    };
759
760    Slick.prototype.cleanUpEvents = function() {
761
762        var _ = this;
763
764        if (_.options.dots && _.$dots !== null) {
765
766            $('li', _.$dots)
767                .off('click.slick', _.changeSlide)
768                .off('mouseenter.slick', $.proxy(_.interrupt, _, true))
769                .off('mouseleave.slick', $.proxy(_.interrupt, _, false));
770
771            if (_.options.accessibility === true) {
772                _.$dots.off('keydown.slick', _.keyHandler);
773            }
774        }
775
776        _.$slider.off('focus.slick blur.slick');
777
778        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
779            _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide);
780            _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);
781
782            if (_.options.accessibility === true) {
783                _.$prevArrow && _.$prevArrow.off('keydown.slick', _.keyHandler);
784                _.$nextArrow && _.$nextArrow.off('keydown.slick', _.keyHandler);
785            }
786        }
787
788        _.$list.off('touchstart.slick mousedown.slick', _.swipeHandler);
789        _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler);
790        _.$list.off('touchend.slick mouseup.slick', _.swipeHandler);
791        _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler);
792
793        _.$list.off('click.slick', _.clickHandler);
794
795        $(document).off(_.visibilityChange, _.visibility);
796
797        _.cleanUpSlideEvents();
798
799        if (_.options.accessibility === true) {
800            _.$list.off('keydown.slick', _.keyHandler);
801        }
802
803        if (_.options.focusOnSelect === true) {
804            $(_.$slideTrack).children().off('click.slick', _.selectHandler);
805        }
806
807        $(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange);
808
809        $(window).off('resize.slick.slick-' + _.instanceUid, _.resize);
810
811        $('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault);
812
813        $(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);
814
815    };
816
817    Slick.prototype.cleanUpSlideEvents = function() {
818
819        var _ = this;
820
821        _.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true));
822        _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false));
823
824    };
825
826    Slick.prototype.cleanUpRows = function() {
827
828        var _ = this, originalSlides;
829
830        if(_.options.rows > 0) {
831            originalSlides = _.$slides.children().children();
832            originalSlides.removeAttr('style');
833            _.$slider.empty().append(originalSlides);
834        }
835
836    };
837
838    Slick.prototype.clickHandler = function(event) {
839
840        var _ = this;
841
842        if (_.shouldClick === false) {
843            event.stopImmediatePropagation();
844            event.stopPropagation();
845            event.preventDefault();
846        }
847
848    };
849
850    Slick.prototype.destroy = function(refresh) {
851
852        var _ = this;
853
854        _.autoPlayClear();
855
856        _.touchObject = {};
857
858        _.cleanUpEvents();
859
860        $('.slick-cloned', _.$slider).detach();
861
862        if (_.$dots) {
863            _.$dots.remove();
864        }
865
866        if ( _.$prevArrow && _.$prevArrow.length ) {
867
868            _.$prevArrow
869                .removeClass('slick-disabled slick-arrow slick-hidden')
870                .removeAttr('aria-hidden aria-disabled tabindex')
871                .css('display','');
872
873            if ( _.htmlExpr.test( _.options.prevArrow )) {
874                _.$prevArrow.remove();
875            }
876        }
877
878        if ( _.$nextArrow && _.$nextArrow.length ) {
879
880            _.$nextArrow
881                .removeClass('slick-disabled slick-arrow slick-hidden')
882                .removeAttr('aria-hidden aria-disabled tabindex')
883                .css('display','');
884
885            if ( _.htmlExpr.test( _.options.nextArrow )) {
886                _.$nextArrow.remove();
887            }
888        }
889
890
891        if (_.$slides) {
892
893            _.$slides
894                .removeClass('slick-slide slick-active slick-center slick-visible slick-current')
895                .removeAttr('aria-hidden')
896                .removeAttr('data-slick-index')
897                .each(function(){
898                    $(this).attr('style', $(this).data('originalStyling'));
899                });
900
901            _.$slideTrack.children(this.options.slide).detach();
902
903            _.$slideTrack.detach();
904
905            _.$list.detach();
906
907            _.$slider.append(_.$slides);
908        }
909
910        _.cleanUpRows();
911
912        _.$slider.removeClass('slick-slider');
913        _.$slider.removeClass('slick-initialized');
914        _.$slider.removeClass('slick-dotted');
915
916        _.unslicked = true;
917
918        if(!refresh) {
919            _.$slider.trigger('destroy', [_]);
920        }
921
922    };
923
924    Slick.prototype.disableTransition = function(slide) {
925
926        var _ = this,
927            transition = {};
928
929        transition[_.transitionType] = '';
930
931        if (_.options.fade === false) {
932            _.$slideTrack.css(transition);
933        } else {
934            _.$slides.eq(slide).css(transition);
935        }
936
937    };
938
939    Slick.prototype.fadeSlide = function(slideIndex, callback) {
940
941        var _ = this;
942
943        if (_.cssTransitions === false) {
944
945            _.$slides.eq(slideIndex).css({
946                zIndex: _.options.zIndex
947            });
948
949            _.$slides.eq(slideIndex).animate({
950                opacity: 1
951            }, _.options.speed, _.options.easing, callback);
952
953        } else {
954
955            _.applyTransition(slideIndex);
956
957            _.$slides.eq(slideIndex).css({
958                opacity: 1,
959                zIndex: _.options.zIndex
960            });
961
962            if (callback) {
963                setTimeout(function() {
964
965                    _.disableTransition(slideIndex);
966
967                    callback.call();
968                }, _.options.speed);
969            }
970
971        }
972
973    };
974
975    Slick.prototype.fadeSlideOut = function(slideIndex) {
976
977        var _ = this;
978
979        if (_.cssTransitions === false) {
980
981            _.$slides.eq(slideIndex).animate({
982                opacity: 0,
983                zIndex: _.options.zIndex - 2
984            }, _.options.speed, _.options.easing);
985
986        } else {
987
988            _.applyTransition(slideIndex);
989
990            _.$slides.eq(slideIndex).css({
991                opacity: 0,
992                zIndex: _.options.zIndex - 2
993            });
994
995        }
996
997    };
998
999    Slick.prototype.filterSlides = Slick.prototype.slickFilter = function(filter) {
1000
1001        var _ = this;
1002
1003        if (filter !== null) {
1004
1005            _.$slidesCache = _.$slides;
1006
1007            _.unload();
1008
1009            _.$slideTrack.children(this.options.slide).detach();
1010
1011            _.$slidesCache.filter(filter).appendTo(_.$slideTrack);
1012
1013            _.reinit();
1014
1015        }
1016
1017    };
1018
1019    Slick.prototype.focusHandler = function() {
1020
1021        var _ = this;
1022
1023        _.$slider
1024            .off('focus.slick blur.slick')
1025            .on('focus.slick blur.slick', '*', function(event) {
1026
1027            event.stopImmediatePropagation();
1028            var $sf = $(this);
1029
1030            setTimeout(function() {
1031
1032                if( _.options.pauseOnFocus ) {
1033                    _.focussed = $sf.is(':focus');
1034                    _.autoPlay();
1035                }
1036
1037            }, 0);
1038
1039        });
1040    };
1041
1042    Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {
1043
1044        var _ = this;
1045        return _.currentSlide;
1046
1047    };
1048
1049    Slick.prototype.getDotCount = function() {
1050
1051        var _ = this;
1052
1053        var breakPoint = 0;
1054        var counter = 0;
1055        var pagerQty = 0;
1056
1057        if (_.options.infinite === true) {
1058            if (_.slideCount <= _.options.slidesToShow) {
1059                 ++pagerQty;
1060            } else {
1061                while (breakPoint < _.slideCount) {
1062                    ++pagerQty;
1063                    breakPoint = counter + _.options.slidesToScroll;
1064                    counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1065                }
1066            }
1067        } else if (_.options.centerMode === true) {
1068            pagerQty = _.slideCount;
1069        } else if(!_.options.asNavFor) {
1070            pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll);
1071        }else {
1072            while (breakPoint < _.slideCount) {
1073                ++pagerQty;
1074                breakPoint = counter + _.options.slidesToScroll;
1075                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1076            }
1077        }
1078
1079        return pagerQty - 1;
1080
1081    };
1082
1083    Slick.prototype.getLeft = function(slideIndex) {
1084
1085        var _ = this,
1086            targetLeft,
1087            verticalHeight,
1088            verticalOffset = 0,
1089            targetSlide,
1090            coef;
1091
1092        _.slideOffset = 0;
1093        verticalHeight = _.$slides.first().outerHeight(true);
1094
1095        if (_.options.infinite === true) {
1096            if (_.slideCount > _.options.slidesToShow) {
1097                _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1;
1098                coef = -1

1104
1105                    }
1106                }
1107                verticalOffset = (verticalHeight * _.options.slidesToShow) * coef;
1108            }
1109            if (_.slideCount % _.options.slidesToScroll !== 0) {
1110                if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
1111                    if (slideIndex > _.slideCount) {
1112                        _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1;
1113                        verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1;
1114                    } else {
1115                        _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1;
1116                        verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1;
1117                    }
1118                }
1119            }
1120        } else {
1121            if (slideIndex + _.options.slidesToShow > _.slideCount) {
1122                _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth;
1123                verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight;
1124            }
1125        }
1126
1127        if (_.slideCount <= _.options.slidesToShow) {
1128            _.slideOffset = 0;
1129            verticalOffset = 0;
1130        }
1131
1132        if (_.options.centerMode === true && _.slideCount <= _.options.slidesToShow) {
1133            _.slideOffset = ((_.slideWidth * Math.floor(_.options.slidesToShow)) / 2) - ((_.slideWidth * _.slideCount) / 2);
1134        } else if (_.options.centerMode === true && _.options.infinite === true) {
1135            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
1136        } else if (_.options.centerMode === true) {
1137            _.slideOffset = 0;
1138            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
1139        }
1140
1141        if (_.options.vertical === false) {
1142            targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
1143        } else {
1144            targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
1145        }
1146
1147        if (_.options.variableWidth === true) {
1148
1149            if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
1150                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
1151            } else {
1152                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow);
1153            }
1154
1155            if (_.options.rtl === true) {
1156                if (targetSlide[0]) {
1157                    targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
1158                } else {
1159                    targetLeft =  0;
1160                }
1161            } else {
1162                targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
1163            }
1164
1165            if (_.options.centerMode === true) {
1166                if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
1167                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
1168                } else {
1169                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1);
1170                }
1171
1172                if (_.options.rtl === true) {
1173                    if (targetSlide[0]) {
1174                        targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
1175                    } else {
1176                        targetLeft =  0;
1177                    }
1178                } else {
1179                    targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
1180                }
1181
1182                targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2;
1183            }
1184        }
1185
1186        return targetLeft;
1187
1188    };
1189
1190    Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {
1191
1192        var _ = this;
1193
1194        return _.options[option];
1195
1196    };
1197
1198    Slick.prototype.getNavigableIndexes = function() {
1199
1200        var _ = this,
1201            breakPoint = 0,
1202            counter = 0,
1203            indexes = [],
1204            max;
1205
1206        if (_.options.infinite === false) {
1207            max = _.slideCount;
1208        } else {
1209            breakPoint = _.options.slidesToScroll * -1;
1210            counter = _.options.slidesToScroll * -1;
1211            max = _.slideCount * 2;
1212        }
1213
1214        while (breakPoint < max) {
1215            indexes.push(breakPoint);
1216            breakPoint = counter + _.options.slidesToScroll;
1217            counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1218        }
1219
1220        return indexes;
1221
1222    };
1223
1224    Slick.prototype.getSlick = function() {
1225
1226        return this;
1227
1228    };
1229
1230    Slick.prototype.getSlideCount = function() {
1231
1232        var _ = this,
1233            slidesTraversed, swipedSlide, centerOffset;
1234
1235        centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0;
1236
1237        if (_.options.swipeToSlide === true) {
1238            _.$slideTrack.find('.slick-slide').each(function(index, slide) {
1239                if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) {
1240                    swipedSlide = slide;
1241                    return false;
1242                }
1243            });
1244
1245            slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1;
1246
1247            return slidesTraversed;
1248
1249        } else {
1250            return _.options.slidesToScroll;
1251        }
1252
1253    };
1254
1255    Slick.prototype.goTo = Slick.prototype.slickGoTo = function(slide, dontAnimate) {
1256
1257        var _ = this;
1258
1259        _.changeSlide({
1260            data: {
1261                message: 'index',
1262                index: parseInt(slide)
1263            }
1264        }, dontAnimate);
1265
1266    };
1267
1268    Slick.prototype.init = function(creation) {
1269
1270        var _ = this;
1271
1272        if (!$(_.$slider).hasClass('slick-initialized')) {
1273
1274            $(_.$slider).addClass('slick-initialized');
1275
1276            _.buildRows();
1277            _.buildOut();
1278            _.setProps();
1279            _.startLoad();
1280            _.loadSlider();
1281            _.initializeEvents();
1282            _.updateArrows();
1283            _.updateDots();
1284            _.checkResponsive(true);
1285            _.focusHandler();
1286
1287        }
1288
1289        if (creation) {
1290            _.$slider.trigger('init', [_]);
1291        }
1292
1293        if (_.options.accessibility === true) {
1294            _.initADA();
1295        }
1296
1297        if ( _.options.autoplay ) {
1298
1299            _.paused = false;
1300            _.autoPlay();
1301
1302        }
1303
1304    };
1305
1306    Slick.prototype.initADA = function() {
1307        var _ = this,
1308                numDotGroups = Math.ceil(_.slideCount / _.options.slidesToShow),
1309                tabControlIndexes = _.getNavigableIndexes().filter(function(val) {
1310                    return (val >= 0) && (val < _.slideCount);
1311                });
1312
1313        _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({
1314            'aria-hidden': 'true',
1315            'tabindex': '-1'
1316        }).find('a, input, button, select').attr({
1317            'tabindex': '-1'
1318        });
1319
1320        if (_.$dots !== null) {
1321            _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) {
1322                var slideControlIndex = tabControlIndexes.indexOf(i);
1323
1324                $(this).attr({
1325                    'role': 'tabpanel',
1326                    'id': 'slick-slide' + _.instanceUid + i,
1327                    'tabindex': -1
1328                });
1329
1330                if (slideControlIndex !== -1) {
1331                   var ariaButtonControl = 'slick-slide-control' + _.instanceUid + slideControlIndex
1332                   if ($('#' + ariaButtonControl).length) {
1333                     $(this).attr({
1334                         'aria-describedby': ariaButtonControl
1335                     });
1336                   }
1337                }
1338            });
1339
1340            _.$dots.attr('role', 'tablist').find('li').each(function(i) {
1341                var mappedSlideIndex = tabControlIndexes[i];
1342
1343                $(this).attr({
1344                    'role': 'presentation'
1345                });
1346
1347                $(this).find('button').first().attr({
1348                    'role': 'tab',
1349                    'id': 'slick-slide-control' + _.instanceUid + i,
1350                    'aria-controls': 'slick-slide' + _.instanceUid + mappedSlideIndex,
1351                    'aria-label': (i + 1) + ' of ' + numDotGroups,
1352                    'aria-selected': null,
1353                    'tabindex': '-1'
1354                });
1355
1356            }).eq(_.currentSlide).find('button').attr({
1357                'aria-selected': 'true',
1358                'tabindex': '0'
1359            }).end();
1360        }
1361
1362        for (var i=_.currentSlide, max=i+_.options.slidesToShow; i < max; i++) {
1363          if (_.options.focusOnChange) {
1364            _.$slides.eq(i).attr({'tabindex': '0'});
1365          } else {
1366            _.$slides.eq(i).removeAttr('tabindex');
1367          }
1368        }
1369
1370        _.activateADA();
1371
1372    };
1373
1374    Slick.prototype.initArrowEvents = function() {
1375
1376        var _ = this;
1377
1378        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
1379            _.$prevArrow
1380               .off('click.slick')
1381               .on('click.slick', {
1382                    message: 'previous'
1383               }, _.changeSlide);
1384            _.$nextArrow
1385               .off('click.slick')
1386               .on('click.slick', {
1387                    message: 'next'
1388               }, _.changeSlide);
1389
1390            if (_.options.accessibility === true) {
1391                _.$prevArrow.on('keydown.slick', _.keyHandler);
1392                _.$nextArrow.on('keydown.slick', _.keyHandler);
1393            }
1394        }
1395
1396    };
1397
1398    Slick.prototype.initDotEvents = function() {
1399
1400        var _ = this;
1401
1402        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
1403            $('li', _.$dots).on('click.slick', {
1404                message: 'index'
1405            }, _.changeSlide);
1406
1407            if (_.options.accessibility === true) {
1408                _.$dots.on('keydown.slick', _.keyHandler);
1409            }
1410        }
1411
1412        if (_.options.dots === true && _.options.pauseOnDotsHover === true && _.slideCount > _.options.slidesToShow) {
1413
1414            $('li', _.$dots)
1415                .on('mouseenter.slick', $.proxy(_.interrupt, _, true))
1416                .on('mouseleave.slick', $.proxy(_.interrupt, _, false));
1417
1418        }
1419
1420    };
1421
1422    Slick.prototype.initSlideEvents = function() {
1423
1424        var _ = this;
1425
1426        if ( _.options.pauseOnHover ) {
1427
1428            _.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true));
1429            _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false));
1430
1431        }
1432
1433    };
1434
1435    Slick.prototype.initializeEvents = function() {
1436
1437        var _ = this;
1438
1439        _.initArrowEvents();
1440
1441        _.initDotEvents();
1442        _.initSlideEvents();
1443
1444        _.$list.on('touchstart.slick mousedown.slick', {
1445            action: 'start'
1446        }, _.swipeHandler);
1447        _.$list.on('touchmove.slick mousemove.slick', {
1448            action: 'move'
1449        }, _.swipeHandler);
1450        _.$list.on('touchend.slick mouseup.slick', {
1451            action: 'end'
1452        }, _.swipeHandler);
1453        _.$list.on('touchcancel.slick mouseleave.slick', {
1454            action: 'end'
1455        }, _.swipeHandler);
1456
1457        _.$list.on('click.slick', _.clickHandler);
1458
1459        $(document).on(_.visibilityChange, $.proxy(_.visibility, _));
1460
1461        if (_.options.accessibility === true) {
1462            _.$list.on('keydown.slick', _.keyHandler);
1463        }
1464
1465        if (_.options.focusOnSelect === true) {
1466            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
1467        }
1468
1469        $(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _));
1470
1471        $(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _));
1472
1473        $('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault);
1474
1475        $(window).on('load.slick.slick-' + _.instanceUid, _.setPosition);
1476        $(_.setPosition);
1477
1478    };
1479
1480    Slick.prototype.initUI = function() {
1481
1482        var _ = this;
1483
1484        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
1485
1486            _.$prevArrow.show();
1487            _.$nextArrow.show();
1488
1489        }
1490
1491        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
1492
1493            _.$dots.show();
1494
1495        }
1496
1497    };
1498
1499    Slick.prototype.keyHandler = function(event) {
1500
1501        var _ = this;
1502         //Dont slide if the cursor is inside the form fields and arrow keys are pressed
1503        if(!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) {
1504            if (event.keyCode === 37 && _.options.accessibility === true) {
1505                _.changeSlide({
1506                    data: {
1507                        message: _.options.rtl === true ? 'next' :  'previous'
1508                    }
1509                });
1510            } else if (event.keyCode === 39 && _.options.accessibility === true) {
1511                _.changeSlide({
1512                    data: {
1513                        message: _.options.rtl === true ? 'previous' : 'next'
1514                    }
1515                });
1516            }
1517        }
1518
1519    };
1520
1521    Slick.prototype.lazyLoad = function() {
1522
1523        var _ = this,
1524            loadRange, cloneRange, rangeStart, rangeEnd;
1525
1526        function loadImages(imagesScope) {
1527
1528            $('img[data-lazy]', imagesScope).each(function() {
1529
1530                var image = $(this),
1531                    imageSource = $(this).attr('data-lazy'),
1532                    imageSrcSet = $(this).attr('data-srcset'),
1533                    imageSizes  = $(this).attr('data-sizes') || _.$slider.attr('data-sizes'),
1534                    imageToLoad = document.createElement('img');
1535
1536                imageToLoad.onload = function() {
1537
1538                    image
1539                        .animate({ opacity: 0 }, 100, function() {
1540
1541                            if (imageSrcSet) {
1542                                image
1543                                    .attr('srcset', imageSrcSet );
1544
1545                                if (imageSizes) {
1546                                    image
1547                                        .attr('sizes', imageSizes );
1548                                }
1549                            }
1550
1551                            image
1552                                .attr('src', imageSource)
1553                                .animate({ opacity: 1 }, 200, function() {
1554                                    image
1555                                        .removeAttr('data-lazy data-srcset data-sizes')
1556                                        .removeClass('slick-loading');
1557                                });
1558                            _.$slider.trigger('lazyLoaded', [_, image, imageSource]);
1559                        });
1560
1561                };
1562
1563                imageToLoad.onerror = function() {
1564
1565                    image
1566                        .removeAttr( 'data-lazy' )
1567                        .removeClass( 'slick-loading' )
1568                        .addClass( 'slick-lazyload-error' );
1569
1570                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);
1571
1572                };
1573
1574                imageToLoad.src = imageSource;
1575
1576            });
1577
1578        }
1579
1580        if (_.options.centerMode === true) {
1581            if (_.options.infinite === true) {
1582                rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1);
1583                rangeEnd = rangeStart + _.options.slidesToShow + 2;
1584            } else {
1585                rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1));
1586                rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide;
1587            }
1588        } else {
1589            rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
1590            rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow);
1591            if (_.options.fade === true) {
1592                if (rangeStart > 0) rangeStart--;
1593                if (rangeEnd <= _.slideCount) rangeEnd++;
1594            }
1595        }
1596
1597        loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);
1598
1599        if (_.options.lazyLoad === 'anticipated') {
1600            var prevSlide = rangeStart - 1,
1601                nextSlide = rangeEnd,
1602                $slides = _.$slider.find('.slick-slide');
1603
1604            for (var i = 0; i < _.options.slidesToScroll; i++) {
1605                if (prevSlide < 0) prevSlide = _.slideCount - 1;
1606                loadRange = loadRange.add($slides.eq(prevSlide));
1607                loadRange = loadRange.add($slides.eq(nextSlide));
1608                prevSlide--;
1609                nextSlide++;
1610            }
1611        }
1612
1613        loadImages(loadRange);
1614
1615        if (_.slideCount <= _.options.slidesToShow) {
1616            cloneRange = _.$slider.find('.slick-slide');
1617            loadImages(cloneRange);
1618        } else
1619        if (_.currentSlide >= _.slideCount - _.options.slidesToShow) {
1620            cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow);
1621            loadImages(cloneRange);
1622        } else if (_.currentSlide === 0) {
1623            cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1);
1624            loadImages(cloneRange);
1625        }
1626
1627    };
1628
1629    Slick.prototype.loadSlider = function() {
1630
1631        var _ = this;
1632
1633        _.setPosition();
1634
1635        _.$slideTrack.css({
1636            opacity: 1
1637        });
1638
1639        _.$slider.removeClass('slick-loading');
1640
1641        _.initUI();
1642
1643        if (_.options.lazyLoad === 'progressive') {
1644            _.progressiveLazyLoad();
1645        }
1646
1647    };
1648
1649    Slick.prototype.next = Slick.prototype.slickNext = function() {
1650
1651        var _ = this;
1652
1653        _.changeSlide({
1654            data: {
1655                message: 'next'
1656            }
1657        });
1658
1659    };
1660
1661    Slick.prototype.orientationChange = function() {
1662
1663        var _ = this;
1664
1665        _.checkResponsive();
1666        _.setPosition();
1667
1668    };
1669
1670    Slick.prototype.pause = Slick.prototype.slickPause = function() {
1671
1672        var _ = this;
1673
1674        _.autoPlayClear();
1675        _.paused = true;
1676
1677    };
1678
1679    Slick.prototype.play = Slick.prototype.slickPlay = function() {
1680
1681        var _ = this;
1682
1683        _.autoPlay();
1684        _.options.autoplay = true;
1685        _.paused = false;
1686        _.focussed = false;
1687        _.interrupted = false;
1688
1689    };
1690
1691    Slick.prototype.postSlide = function(index) {
1692
1693        var _ = this;
1694
1695        if( !_.unslicked ) {
1696
1697            _.$slider.trigger('afterChange', [_, index]);
1698
1699            _.animating = false;
1700
1701            if (_.slideCount > _.options.slidesToShow) {
1702                _.setPosition();
1703            }
1704
1705            _.swipeLeft = null;
1706
1707            if ( _.options.autoplay ) {
1708                _.autoPlay();
1709            }
1710
1711            if (_.options.accessibility === true) {
1712                _.initADA();
1713
1714                if (_.options.focusOnChange) {
1715                    var $currentSlide = $(_.$slides.get(_.currentSlide));
1716                    $currentSlide.attr('tabindex', 0).focus();
1717                }
1718            }
1719
1720        }
1721
1722    };
1723
1724    Slick.prototype.prev = Slick.prototype.slickPrev = function() {
1725
1726        var _ = this;
1727
1728        _.changeSlide({
1729            data: {
1730                message: 'previous'
1731            }
1732        });
1733
1734    };
1735
1736    Slick.prototype.preventDefault = function(event) {
1737
1738        event.preventDefault();
1739
1740    };
1741
1742    Slick.prototype.progressiveLazyLoad = function( tryCount ) {
1743
1744        tryCount = tryCount || 1;
1745
1746        var _ = this,
1747            $imgsToLoad = $( 'img[data-lazy]', _.$slider ),
1748            image,
1749            imageSource,
1750            imageSrcSet,
1751            imageSizes,
1752            imageToLoad;
1753
1754        if ( $imgsToLoad.length ) {
1755
1756            image = $imgsToLoad.first();
1757            imageSource = image.attr('data-lazy');
1758            imageSrcSet = image.attr('data-srcset');
1759            imageSizes  = image.attr('data-sizes') || _.$slider.attr('data-sizes');
1760            imageToLoad = document.createElement('img');
1761
1762            imageToLoad.onload = function() {
1763
1764                if (imageSrcSet) {
1765                    image
1766                        .attr('srcset', imageSrcSet );
1767
1768                    if (imageSizes) {
1769                        image
1770                            .attr('sizes', imageSizes );
1771                    }
1772                }
1773
1774                image
1775                    .attr( 'src', imageSource )
1776                    .removeAttr('data-lazy data-srcset data-sizes')
1777                    .removeClass('slick-loading');
1778
1779                if ( _.options.adaptiveHeight === true ) {
1780                    _.setPosition();
1781                }
1782
1783                _.$slider.trigger('lazyLoaded', [ _, image, imageSource ]);
1784                _.progressiveLazyLoad();
1785
1786            };
1787
1788            imageToLoad.onerror = function() {
1789
1790                if ( tryCount < 3 ) {
1791
1792                    /**
1793                     * try to load the image 3 times,
1794                     * leave a slight delay so we don't get
1795                     * servers blocking the request.
1796                     */
1797                    setTimeout( function() {
1798                        _.progressiveLazyLoad( tryCount + 1 );
1799                    }, 500 );
1800
1801                } else {
1802
1803                    image
1804                        .removeAttr( 'data-lazy' )
1805                        .removeClass( 'slick-loading' )
1806                        .addClass( 'slick-lazyload-error' );
1807
1808                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);
1809
1810                    _.progressiveLazyLoad();
1811
1812                }
1813
1814            };
1815
1816            imageToLoad.src = imageSource;
1817
1818        } else {
1819
1820            _.$slider.trigger('allImagesLoaded', [ _ ]);
1821
1822        }
1823
1824    };
1825
1826    Slick.prototype.refresh = function( initializing ) {
1827
1828        var _ = this, currentSlide, lastVisibleIndex;
1829
1830        lastVisibleIndex = _.slideCount - _.options.slidesToShow;
1831
1832        // in non-infinite sliders, we don't want to go past the
1833        // last visible index.
1834        if( !_.options.infinite && ( _.currentSlide > lastVisibleIndex )) {
1835            _.currentSlide = lastVisibleIndex;
1836        }
1837
1838        // if less slides than to show, go to start.
1839        if ( _.slideCount <= _.options.slidesToShow ) {
1840            _.currentSlide = 0;
1841
1842        }
1843
1844        currentSlide = _.currentSlide;
1845
1846        _.destroy(true);
1847
1848        $.extend(_, _.initials, { currentSlide: currentSlide });
1849
1850        _.init();
1851
1852        if( !initializing ) {
1853
1854            _.changeSlide({
1855                data: {
1856                    message: 'index',
1857                    index: currentSlide
1858                }
1859            }, false);
1860
1861        }
1862
1863    };
1864
1865    Slick.prototype.registerBreakpoints = function() {
1866
1867        var _ = this, breakpoint, currentBreakpoint, l,
1868            responsiveSettings = _.options.responsive || null;
1869
1870        if ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) {
1871
1872            _.respondTo = _.options.respondTo || 'window';
1873
1874            for ( breakpoint in responsiveSettings ) {
1875
1876                l = _.breakpoints.length-1;
1877
1878                if (responsiveSettings.hasOwnProperty(breakpoint)) {
1879                    currentBreakpoint = responsiveSettings[breakpoint].breakpoint;
1880
1881                    // loop through the breakpoints and cut out any existing
1882                    // ones with the same breakpoint number, we don't want dupes.
1883                    while( l >= 0 ) {
1884                        if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) {
1885                            _.breakpoints.splice(l,1);
1886                        }
1887                        l--;
1888                    }
1889
1890                    _.breakpoints.push(currentBreakpoint);
1891                    _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;
1892
1893                }
1894
1895            }
1896
1897            _.breakpoints.sort(function(a, b) {
1898                return ( _.options.mobileFirst ) ? a-b : b-a;
1899            });
1900
1901        }
1902
1903    };
1904
1905    Slick.prototype.reinit = function() {
1906
1907        var _ = this;
1908
1909        _.$slides =
1910            _.$slideTrack
1911                .children(_.options.slide)
1912                .addClass('slick-slide');
1913
1914        _.slideCount = _.$slides.length;
1915
1916        if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) {
1917            _.currentSlide = _.currentSlide - _.options.slidesToScroll;
1918        }
1919
1920        if (_.slideCount <= _.options.slidesToShow) {
1921            _.currentSlide = 0;
1922        }
1923
1924        _.registerBreakpoints();
1925
1926        _.setProps();
1927        _.setupInfinite();
1928        _.buildArrows();
1929        _.updateArrows();
1930        _.initArrowEvents();
1931        _.buildDots();
1932        _.updateDots();
1933        _.initDotEvents();
1934        _.cleanUpSlideEvents();
1935        _.initSlideEvents();
1936
1937        _.checkResponsive(false, true);
1938
1939        if (_.options.focusOnSelect === true) {
1940            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
1941        }
1942
1943        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
1944
1945        _.setPosition();
1946        _.focusHandler();
1947
1948        _.paused = !_.options.autoplay;
1949        _.autoPlay();
1950
1951        _.$slider.trigger('reInit', [_]);
1952
1953    };
1954
1955    Slick.prototype.resize = function() {
1956
1957        var _ = this;
1958
1959        if ($(window).width() !== _.windowWidth) {
1960            clearTimeout(_.windowDelay);
1961            _.windowDelay = window.setTimeout(function() {
1962                _.windowWidth = $(window).width();
1963                _.checkResponsive();
1964                if( !_.unslicked ) { _.setPosition(); }
1965            }, 50);
1966        }
1967    };
1968
1969    Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) {
1970
1971        var _ = this;
1972
1973        if (typeof(index) === 'boolean') {
1974            removeBefore = index;
1975            index = removeBefore === true ? 0 : _.slideCount - 1;
1976        } else {
1977            index = removeBefore === true ? --index : index;
1978        }
1979
1980        if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) {
1981            return false;
1982        }
1983
1984        _.unload();
1985
1986        if (removeAll === true) {
1987            _.$slideTrack.children().remove();
1988        } else {
1989            _.$slideTrack.children(this.options.slide).eq(index).remove();
1990        }
1991
1992        _.$slides = _.$slideTrack.children(this.options.slide);
1993
1994        _.$slideTrack.children(this.options.slide).detach();
1995
1996        _.$slideTrack.append(_.$slides);
1997
1998        _.$slidesCache = _.$slides;
1999
2000        _.reinit();
2001
2002    };
2003
2004    Slick.prototype.setCSS = function(position) {
2005
2006        var _ = this,
2007            positionProps = {},
2008            x, y;
2009
2010        if (_.options.rtl === true) {
2011            position = -position;
2012        }
2013        x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px';
2014        y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px';
2015
2016        positionProps[_.positionProp] = position;
2017
2018        if (_.transformsEnabled === false) {
2019            _.$slideTrack.css(positionProps);
2020        } else {
2021            positionProps = {};
2022            if (_.cssTransitions === false) {
2023                positionProps[_.animType] = 'translate(' + x + ', ' + y + ')';
2024                _.$slideTrack.css(positionProps);
2025            } else {
2026                positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)';
2027                _.$slideTrack.css(positionProps);
2028            }
2029        }
2030
2031    };
2032
2033    Slick.prototype.setDimensions = function() {
2034
2035        var _ = this;
2036
2037        if (_.options.vertical === false) {
2038            if (_.options.centerMode === true) {
2039                _.$list.css({
2040                    padding: ('0px ' + _.options.centerPadding)
2041                });
2042            }
2043        } else {
2044            _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow);
2045            if (_.options.centerMode === true) {
2046                _.$list.css({
2047                    padding: (_.options.centerPadding + ' 0px')
2048                });
2049            }
2050        }
2051
2052        _.listWidth = _.$list.width();
2053        _.listHeight = _.$list.height();
2054
2055
2056        if (_.options.vertical === false && _.options.variableWidth === false) {
2057            _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow);
2058            _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length)));
2059
2060        } else if (_.options.variableWidth === true) {
2061            _.$slideTrack.width(5000 * _.slideCount);
2062        } else {
2063            _.slideWidth = Math.ceil(_.listWidth);
2064            _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length)));
2065        }
2066
2067        var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width();
2068        if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset);
2069
2070    };
2071
2072    Slick.prototype.setFade = function() {
2073
2074        var _ = this,
2075            targetLeft;
2076
2077        _.$slides.each(function(index, element) {
2078            targetLeft = (_.slideWidth * index) * -1;
2079            if (_.options.rtl === true) {
2080                $(element).css({
2081                    position: 'relative',
2082                    right: targetLeft,
2083                    top: 0,
2084                    zIndex: _.options.zIndex - 2,
2085                    opacity: 0
2086                });
2087            } else {
2088                $(element).css({
2089                    position: 'relative',
2090                    left: targetLeft,
2091                    top: 0,
2092                    zIndex: _.options.zIndex - 2,
2093                    opacity: 0
2094                });
2095            }
2096        });
2097
2098        _.$slides.eq(_.currentSlide).css({
2099            zIndex: _.options.zIndex - 1,
2100            opacity: 1
2101        });
2102
2103    };
2104
2105    Slick.prototype.setHeight = function() {
2106
2107        var _ = this;
2108
2109        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
2110            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
2111            _.$list.css('height', targetHeight);
2112        }
2113
2114    };
2115
2116    Slick.prototype.setOption =
2117    Slick.prototype.slickSetOption = function() {
2118
2119        /**
2120         * accepts arguments in format of:
2121         *
2122         *  - for changing a single option's value:
2123         *     .slick("setOption", option, value, refresh )
2124         *
2125         *  - for changing a set of responsive options:
2126         *     .slick("setOption", 'responsive', [{}, ...], refresh )
2127         *
2128         *  - for updating multiple values at once (not responsive)
2129         *     .slick("setOption", { 'option': value, ... }, refresh )
2130         */
2131
2132        var _ = this, l, item, option, value, refresh = false, type;
2133
2134        if( $.type( arguments[0] ) === 'object' ) {
2135
2136            option =  arguments[0];
2137            refresh = arguments[1];
2138            type = 'multiple';
2139
2140        } else if ( $.type( arguments[0] ) === 'string' ) {
2141
2142            option =  arguments[0];
2143            value = arguments[1];
2144            refresh = arguments[2];
2145
2146            if ( arguments[0] === 'responsive' && $.type( arguments[1] ) === 'array' ) {
2147
2148                type = 'responsive';
2149
2150            } else if ( typeof arguments[1] !== 'undefined' ) {
2151
2152                type = 'single';
2153
2154            }
2155
2156        }
2157
2158        if ( type === 'single' ) {
2159
2160            _.options[option] = value;
2161
2162
2163        } else if ( type === 'multiple' ) {
2164
2165            $.each( option , function( opt, val ) {
2166
2167                _.options[opt] = val;
2168
2169            });
2170
2171
2172        } else if ( type === 'responsive' ) {
2173
2174            for ( item in value ) {
2175
2176                if( $.type( _.options.responsive ) !== 'array' ) {
2177
2178                    _.options.responsive = [ value[item] ];
2179
2180                } else {
2181
2182                    l = _.options.responsive.length-1;
2183
2184                    // loop through the responsive object and splice out duplicates.
2185                    while( l >= 0 ) {
2186
2187                        if( _.options.responsive[l].breakpoint === value[item].breakpoint ) {
2188
2189                            _.options.responsive.splice(l,1);
2190
2191                        }
2192
2193                        l--;
2194
2195                    }
2196
2197                    _.options.responsive.push( value[item] );
2198
2199                }
2200
2201            }
2202
2203        }
2204
2205        if ( refresh ) {
2206
2207            _.unload();
2208            _.reinit();
2209
2210        }
2211
2212    };
2213
2214    Slick.prototype.setPosition = function() {
2215
2216        var _ = this;
2217
2218        _.setDimensions();
2219
2220        _.setHeight();
2221
2222        if (_.options.fade === false) {
2223            _.setCSS(_.getLeft(_.currentSlide));
2224        } else {
2225            _.setFade();
2226        }
2227
2228        _.$slider.trigger('setPosition', [_]);
2229
2230    };
2231
2232    Slick.prototype.setProps = function() {
2233
2234        var _ = this,
2235            bodyStyle = document.body.style;
2236
2237        _.positionProp = _.options.vertical === true ? 'top' : 'left';
2238
2239        if (_.positionProp === 'top') {
2240            _.$slider.addClass('slick-vertical');
2241        } else {
2242            _.$slider.removeClass('slick-vertical');
2243        }
2244
2245        if (bodyStyle.WebkitTransition !== undefined ||
2246            bodyStyle.MozTransition !== undefined ||
2247            bodyStyle.msTransition !== undefined) {
2248            if (_.options.useCSS === true) {
2249                _.cssTransitions = true;
2250            }
2251        }
2252
2253        if ( _.options.fade ) {
2254            if ( typeof _.options.zIndex === 'number' ) {
2255                if( _.options.zIndex < 3 ) {
2256                    _.options.zIndex = 3;
2257                }
2258            } else {
2259                _.options.zIndex = _.defaults.zIndex;
2260            }
2261        }
2262
2263        if (bodyStyle.OTransform !== undefined) {
2264            _.animType = 'OTransform';
2265            _.transformType = '-o-transform';
2266            _.transitionType = 'OTransition';
2267            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
2268        }
2269        if (bodyStyle.MozTransform !== undefined) {
2270            _.animType = 'MozTransform';
2271            _.transformType = '-moz-transform';
2272            _.transitionType = 'MozTransition';
2273            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false;
2274        }
2275        if (bodyStyle.webkitTransform !== undefined) {
2276            _.animType = 'webkitTransform';
2277            _.transformType = '-webkit-transform';
2278            _.transitionType = 'webkitTransition';
2279            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
2280        }
2281        if (bodyStyle.msTransform !== undefined) {
2282            _.animType = 'msTransform';
2283            _.transformType = '-ms-transform';
2284            _.transitionType = 'msTransition';
2285            if (bodyStyle.msTransform === undefined) _.animType = false;
2286        }
2287        if (bodyStyle.transform !== undefined && _.animType !== false) {
2288            _.animType = 'transform';
2289            _.transformType = 'transform';
2290            _.transitionType = 'transition';
2291        }
2292        _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false);
2293    };
2294
2295
2296    Slick.prototype.setSlideClasses = function(index) {
2297
2298        var _ = this,
2299            centerOffset, allSlides, indexOffset, remainder;
2300
2301        allSlides = _.$slider
2302            .find('.slick-slide')
2303            .removeClass('slick-active slick-center slick-current')
2304            .attr('aria-hidden', 'true');
2305
2306        _.$slides
2307            .eq(index)
2308            .addClass('slick-current');
2309
2310        if (_.options.centerMode === true) {
2311
2312            var evenCoef = _.options.slidesToShow % 2 === 0 ? 1 : 0;
2313
2314            centerOffset = Math.floor(_.options.slidesToShow / 2);
2315
2316            if (_.options.infinite === true) {
2317
2318                if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) {
2319                    _.$slides
2320                        .slice(index - centerOffset + evenCoef, index + centerOffset + 1)
2321                        .addClass('slick-active')
2322                        .attr('aria-hidden', 'false');
2323
2324                } else {
2325
2326                    indexOffset = _.options.slidesToShow + index;
2327                    allSlides
2328                        .slice(indexOffset - centerOffset + 1 + evenCoef, indexOffset + centerOffset + 2)
2329                        .addClass('slick-active')
2330                        .attr('aria-hidden', 'false');
2331
2332                }
2333
2334                if (index === 0) {
2335
2336                    allSlides
2337                        .eq(allSlides.length - 1 - _.options.slidesToShow)
2338                        .addClass('slick-center');
2339
2340                } else if (index === _.slideCount - 1) {
2341
2342                    allSlides
2343                        .eq(_.options.slidesToShow)
2344                        .addClass('slick-center');
2345
2346                }
2347
2348            }
2349
2350            _.$slides
2351                .eq(index)
2352                .addClass('slick-center');
2353
2354        } else {
2355
2356            if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {
2357
2358                _.$slides
2359                    .slice(index, index + _.options.slidesToShow)
2360                    .addClass('slick-active')
2361                    .attr('aria-hidden', 'false');
2362
2363            } else if (allSlides.length <= _.options.slidesToShow) {
2364
2365                allSlides
2366                    .addClass('slick-active')
2367                    .attr('aria-hidden', 'false');
2368
2369            } else {
2370
2371                remainder = _.slideCount % _.options.slidesToShow;
2372                indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;
2373
2374                if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) {
2375
2376                    allSlides
2377                        .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder)
2378                        .addClass('slick-active')
2379                        .attr('aria-hidden', 'false');
2380
2381                } else {
2382
2383                    allSlides
2384                        .slice(indexOffset, indexOffset + _.options.slidesToShow)
2385                        .addClass('slick-active')
2386                        .attr('aria-hidden', 'false');
2387
2388                }
2389
2390            }
2391
2392        }
2393
2394        if (_.options.lazyLoad === 'ondemand' || _.options.lazyLoad === 'anticipated') {
2395            _.lazyLoad();
2396        }
2397    };
2398
2399    Slick.prototype.setupInfinite = function() {
2400
2401        var _ = this,
2402            i, slideIndex, infiniteCount;
2403
2404        if (_.options.fade === true) {
2405            _.options.centerMode = false;
2406        }
2407
2408        if (_.options.infinite === true && _.options.fade === false) {
2409
2410            slideIndex = null;
2411
2412            if (_.slideCount > _.options.slidesToShow) {
2413
2414                if (_.options.centerMode === true) {
2415                    infiniteCount = _.options.slidesToShow + 1;
2416                } else {
2417                    infiniteCount = _.options.slidesToShow;
2418                }
2419
2420                for (i = _.slideCount; i > (_.slideCount -
2421                        infiniteCount); i -= 1) {
2422                    slideIndex = i - 1;
2423                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
2424                        .attr('data-slick-index', slideIndex - _.slideCount)
2425                        .prependTo(_.$slideTrack).addClass('slick-cloned');
2426                }
2427                for (i = 0; i < infiniteCount  + _.slideCount; i += 1) {
2428                    slideIndex = i;
2429                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
2430                        .attr('data-slick-index', slideIndex + _.slideCount)
2431                        .appendTo(_.$slideTrack).addClass('slick-cloned');
2432                }
2433                _.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
2434                    $(this).attr('id', '');
2435                });
2436
2437            }
2438
2439        }
2440
2441    };
2442
2443    Slick.prototype.interrupt = function( toggle ) {
2444
2445        var _ = this;
2446
2447        if( !toggle ) {
2448            _.autoPlay();
2449        }
2450        _.interrupted = toggle;
2451
2452    };
2453
2454    Slick.prototype.selectHandler = function(event) {
2455
2456        var _ = this;
2457
2458        var targetElement =
2459            $(event.target).is('.slick-slide') ?
2460                $(event.target) :
2461                $(event.target).parents('.slick-slide');
2462
2463        var index = parseInt(targetElement.attr('data-slick-index'));
2464
2465        if (!index) index = 0;
2466
2467        if (_.slideCount <= _.options.slidesToShow) {
2468
2469            _.slideHandler(index, false, true);
2470            return;
2471
2472        }
2473
2474        _.slideHandler(index);
2475
2476    };
2477
2478    Slick.prototype.slideHandler = function(index, sync, dontAnimate) {
2479
2480        var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null,
2481            _ = this, navTarget;
2482
2483        sync = sync || false;
2484
2485        if (_.animating === true && _.options.waitForAnimate === true) {
2486            return;
2487        }
2488
2489        if (_.options.fade === true && _.currentSlide === index) {
2490            return;
2491        }
2492
2493        if (sync === false) {
2494            _.asNavFor(index);
2495        }
2496
2497        targetSlide = index;
2498        targetLeft = _.getLeft(targetSlide);
2499        slideLeft = _.getLeft(_.currentSlide);
2500
2501        _.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;
2502
2503        if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) {
2504            if (_.options.fade === false) {
2505                targetSlide = _.currentSlide;
2506                if (dontAnimate !== true && _.slideCount > _.options.slidesToShow) {
2507                    _.animateSlide(slideLeft, function() {
2508                        _.postSlide(targetSlide);
2509                    });
2510                } else {
2511                    _.postSlide(targetSlide);
2512                }
2513            }
2514            return;
2515        } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
2516            if (_.options.fade === false) {
2517                targetSlide = _.currentSlide;
2518                if (dontAnimate !== true && _.slideCount > _.options.slidesToShow) {
2519                    _.animateSlide(slideLeft, function() {
2520                        _.postSlide(targetSlide);
2521                    });
2522                } else {
2523                    _.postSlide(targetSlide);
2524                }
2525            }
2526            return;
2527        }
2528
2529        if ( _.options.autoplay ) {
2530            clearInterval(_.autoPlayTimer);
2531        }
2532
2533        if (targetSlide < 0) {
2534            if (_.slideCount % _.options.slidesToScroll !== 0) {
2535                animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
2536            } else {
2537                animSlide = _.slideCount + targetSlide;
2538            }
2539        } else if (targetSlide >= _.slideCount) {
2540            if (_.slideCount % _.options.slidesToScroll !== 0) {
2541                animSlide = 0;
2542            } else {
2543                animSlide = targetSlide - _.slideCount;
2544            }
2545        } else {
2546            animSlide = targetSlide;
2547        }
2548
2549        _.animating = true;
2550
2551        _.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]);
2552
2553        oldSlide = _.currentSlide;
2554        _.currentSlide = animSlide;
2555
2556        _.setSlideClasses(_.currentSlide);
2557
2558        if ( _.options.asNavFor ) {
2559
2560            navTarget = _.getNavTarget();
2561            navTarget = navTarget.slick('getSlick');
2562
2563            if ( navTarget.slideCount <= navTarget.options.slidesToShow ) {
2564                navTarget.setSlideClasses(_.currentSlide);
2565            }
2566
2567        }
2568
2569        _.updateDots();
2570        _.updateArrows();
2571
2572        if (_.options.fade === true) {
2573            if (dontAnimate !== true) {
2574
2575                _.fadeSlideOut(oldSlide);
2576
2577                _.fadeSlide(animSlide, function() {
2578                    _.postSlide(animSlide);
2579                });
2580
2581            } else {
2582                _.postSlide(animSlide);
2583            }
2584            _.animateHeight();
2585            return;
2586        }
2587
2588        if (dontAnimate !== true && _.slideCount > _.options.slidesToShow) {
2589            _.animateSlide(targetLeft, function() {
2590                _.postSlide(animSlide);
2591            });
2592        } else {
2593            _.postSlide(animSlide);
2594        }
2595
2596    };
2597
2598    Slick.prototype.startLoad = function() {
2599
2600        var _ = this;
2601
2602        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
2603
2604            _.$prevArrow.hide();
2605            _.$nextArrow.hide();
2606
2607        }
2608
2609        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
2610
2611            _.$dots.hide();
2612
2613        }
2614
2615        _.$slider.addClass('slick-loading');
2616
2617    };
2618
2619    Slick.prototype.swipeDirection = function() {
2620
2621        var xDist, yDist, r, swipeAngle, _ = this;
2622
2623        xDist = _.touchObject.startX - _.touchObject.curX;
2624        yDist = _.touchObject.startY - _.touchObject.curY;
2625        r = Math.atan2(yDist, xDist);
2626
2627        swipeAngle = Math.round(r * 180 / Math.PI);
2628        if (swipeAngle < 0) {
2629            swipeAngle = 360 - Math.abs(swipeAngle);
2630        }
2631
2632        if ((swipeAngle <= 45) && (swipeAngle >= 0)) {
2633            return (_.options.rtl === false ? 'left' : 'right');
2634        }
2635        if ((swipeAngle <= 360) && (swipeAngle >= 315)) {
2636            return (_.options.rtl === false ? 'left' : 'right');
2637        }
2638        if ((swipeAngle >= 135) && (swipeAngle <= 225)) {
2639            return (_.options.rtl === false ? 'right' : 'left');
2640        }
2641        if (_.options.verticalSwiping === true) {
2642            if ((swipeAngle >= 35) && (swipeAngle <= 135)) {
2643                return 'down';
2644            } else {
2645                return 'up';
2646            }
2647        }
2648
2649        return 'vertical';
2650
2651    };
2652
2653    Slick.prototype.swipeEnd = function(event) {
2654
2655        var _ = this,
2656            slideCount,
2657            direction;
2658
2659        _.dragging = false;
2660        _.swiping = false;
2661
2662        if (_.scrolling) {
2663            _.scrolling = false;
2664            return false;
2665        }
2666
2667        _.interrupted = false;
2668        _.shouldClick = ( _.touchObject.swipeLength > 10 ) ? false : true;
2669
2670        if ( _.touchObject.curX === undefined ) {
2671            return false;
2672        }
2673
2674        if ( _.touchObject.edgeHit === true ) {
2675            _.$slider.trigger('edge', [_, _.swipeDirection() ]);
2676        }
2677
2678        if ( _.touchObject.swipeLength >= _.touchObject.minSwipe ) {
2679
2680            direction = _.swipeDirection();
2681
2682            switch ( direction ) {
2683
2684                case 'left':
2685                case 'down':
2686
2687                    slideCount =
2688                        _.options.swipeToSlide ?
2689                            _.checkNavigable( _.currentSlide + _.getSlideCount() ) :
2690                            _.currentSlide + _.getSlideCount();
2691
2692                    _.currentDirection = 0;
2693
2694                    break;
2695
2696                case 'right':
2697                case 'up':
2698
2699                    slideCount =
2700                        _.options.swipeToSlide ?
2701                            _.checkNavigable( _.currentSlide - _.getSlideCount() ) :
2702                            _.currentSlide - _.getSlideCount();
2703
2704                    _.currentDirection = 1;
2705
2706                    break;
2707