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https://iff.org/wp-content/themes/IFFTheme2023-NewColors/scripts/slick.js

js iff.org collected 2026-10-03 21:37:11 UTC 84,488 bytes, 2,900 lines download raw bytes

1/*
2     _ _      _       _
3 ___| (_) ___| | __  (_)___
4/ __| | |/ __| |/ /  | / __|
5\__ \ | | (__|   < _ | \__ \
6|___/_|_|\___|_|\_(_)/ |___/
7                   |__/
8
9 Version: 1.8.0
10  Author: Ken Wheeler
11 Website: http://kenwheeler.github.io
12    Docs: http://kenwheeler.github.io/slick
13    Repo: http://github.com/kenwheeler/slick
14  Issues: http://github.com/kenwheeler/slick/issues
15
16 */
17/* global window, document, define, jQuery, setInterval, clearInterval */
18(function(factory) {
19    'use strict';
20    if (typeof define === 'function' && define.amd) {
21        define(['jquery'], factory);
22    } else if (typeof exports !== 'undefined') {
23        module.exports = factory(require('jquery'));
24    } else {
25        factory(jQuery);
26    }
27
28}(function($) {
29    'use strict';
30    var Slick = window.Slick || {};
31
32    Slick = (function() {
33
34        var instanceUid = 0;
35
36        function Slick(element, settings) {
37
38            var _ = this, dataSettings;
39
40            _.defaults = {
41                accessibility: true,
42                adaptiveHeight: false,
43                appendArrows: $(element),
44                appendDots: $(element),
45                arrows: true,
46                asNavFor: null,
47                prevArrow: '<button type="button" data-role="none" class="slick-prev" aria-label="Previous" tabindex="0" role="button">Previous</button>',
48                nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="Next" tabindex="0" role="button">Next</button>',
49                autoplay: false,
50                autoplaySpeed: 3000,
51                centerMode: false,
52                centerPadding: '50px',
53                cssEase: 'ease',
54                customPaging: function(slider, i) {
55                    return $('<button type="button" data-role="none" role="button" tabindex="0" />').text(i + 1);
56                },
57                dots: false,
58                dotsClass: 'slick-dots',
59                draggable: true,
60                easing: 'linear',
61                edgeFriction: 0.35,
62                fade: false,
63                focusOnSelect: false,
64                infinite: true,
65                initialSlide: 0,
66                lazyLoad: 'ondemand',
67                mobileFirst: false,
68                pauseOnHover: true,
69                pauseOnFocus: true,
70                pauseOnDotsHover: false,
71                respondTo: 'window',
72                responsive: null,
73                rows: 1,
74                rtl: false,
75                slide: '',
76                slidesPerRow: 1,
77                slidesToShow: 1,
78                slidesToScroll: 1,
79                speed: 500,
80                swipe: true,
81                swipeToSlide: false,
82                touchMove: true,
83                touchThreshold: 5,
84                useCSS: true,
85                useTransform: true,
86                variableWidth: false,
87                vertical: false,
88                verticalSwiping: false,
89                waitForAnimate: true,
90                zIndex: 1000
91            };
92
93            _.initials = {
94                animating: false,
95                dragging: false,
96                autoPlayTimer: null,
97                currentDirection: 0,
98                currentLeft: null,
99                currentSlide: 0,
100                direction: 1,
101                $dots: null,
102                listWidth: null,
103                listHeight: null,
104                loadIndex: 0,
105                $nextArrow: null,
106                $prevArrow: null,
107                slideCount: null,
108                slideWidth: null,
109                $slideTrack: null,
110                $slides: null,
111                sliding: false,
112                slideOffset: 0,
113                swipeLeft: null,
114                $list: null,
115                touchObject: {},
116                transformsEnabled: false,
117                unslicked: false
118            };
119
120            $.extend(_, _.initials);
121
122            _.activeBreakpoint = null;
123            _.animType = null;
124            _.animProp = null;
125            _.breakpoints = [];
126            _.breakpointSettings = [];
127            _.cssTransitions = false;
vendor: 29,776 bytes, lines 128-1113
128            _.focussed = false;
129            _.interrupted = false;
130            _.hidden = 'hidden';
131            _.paused = true;
132            _.positionProp = null;
133            _.respondTo = null;
134            _.rowCount = 1;
135            _.shouldClick = true;
136            _.$slider = $(element);
137            _.$slidesCache = null;
138            _.transformType = null;
139            _.transitionType = null;
140            _.visibilityChange = 'visibilitychange';
141            _.windowWidth = 0;
142            _.windowTimer = null;
143
144            dataSettings = $(element).data('slick') || {};
145
146            _.options = $.extend({}, _.defaults, settings, dataSettings);
147
148            _.currentSlide = _.options.initialSlide;
149
150            _.originalSettings = _.options;
151
152            if (typeof document.mozHidden !== 'undefined') {
153                _.hidden = 'mozHidden';
154                _.visibilityChange = 'mozvisibilitychange';
155            } else if (typeof document.webkitHidden !== 'undefined') {
156                _.hidden = 'webkitHidden';
157                _.visibilityChange = 'webkitvisibilitychange';
158            }
159
160            _.autoPlay = $.proxy(_.autoPlay, _);
161            _.autoPlayClear = $.proxy(_.autoPlayClear, _);
162            _.autoPlayIterator = $.proxy(_.autoPlayIterator, _);
163            _.changeSlide = $.proxy(_.changeSlide, _);
164            _.clickHandler = $.proxy(_.clickHandler, _);
165            _.selectHandler = $.proxy(_.selectHandler, _);
166            _.setPosition = $.proxy(_.setPosition, _);
167            _.swipeHandler = $.proxy(_.swipeHandler, _);
168            _.dragHandler = $.proxy(_.dragHandler, _);
169            _.keyHandler = $.proxy(_.keyHandler, _);
170
171            _.instanceUid = instanceUid++;
172
173            // A simple way to check for HTML strings
174            // Strict HTML recognition (must start with <)
175            // Extracted from jQuery v1.11 source
176            _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;
177
178
179            _.registerBreakpoints();
180            _.init(true);
181
182        }
183
184        return Slick;
185
186    }());
187
188    Slick.prototype.activateADA = function() {
189        var _ = this;
190
191        _.$slideTrack.find('.slick-active').attr({
192            'aria-hidden': 'false'
193        }).find('a, input, button, select').attr({
194            'tabindex': '0'
195        });
196
197    };
198
199    Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) {
200
201        var _ = this;
202
203        if (typeof(index) === 'boolean') {
204            addBefore = index;
205            index = null;
206        } else if (index < 0 || (index >= _.slideCount)) {
207            return false;
208        }
209
210        _.unload();
211
212        if (typeof(index) === 'number') {
213            if (index === 0 && _.$slides.length === 0) {
214                $(markup).appendTo(_.$slideTrack);
215            } else if (addBefore) {
216                $(markup).insertBefore(_.$slides.eq(index));
217            } else {
218                $(markup).insertAfter(_.$slides.eq(index));
219            }
220        } else {
221            if (addBefore === true) {
222                $(markup).prependTo(_.$slideTrack);
223            } else {
224                $(markup).appendTo(_.$slideTrack);
225            }
226        }
227
228        _.$slides = _.$slideTrack.children(this.options.slide);
229
230        _.$slideTrack.children(this.options.slide).detach();
231
232        _.$slideTrack.append(_.$slides);
233
234        _.$slides.each(function(index, element) {
235            $(element).attr('data-slick-index', index);
236        });
237
238        _.$slidesCache = _.$slides;
239
240        _.reinit();
241
242    };
243
244    Slick.prototype.animateHeight = function() {
245        var _ = this;
246        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
247            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
248            _.$list.animate({
249                height: targetHeight
250            }, _.options.speed);
251        }
252    };
253
254    Slick.prototype.animateSlide = function(targetLeft, callback) {
255
256        var animProps = {},
257            _ = this;
258
259        _.animateHeight();
260
261        if (_.options.rtl === true && _.options.vertical === false) {
262            targetLeft = -targetLeft;
263        }
264        if (_.transformsEnabled === false) {
265            if (_.options.vertical === false) {
266                _.$slideTrack.animate({
267                    left: targetLeft
268                }, _.options.speed, _.options.easing, callback);
269            } else {
270                _.$slideTrack.animate({
271                    top: targetLeft
272                }, _.options.speed, _.options.easing, callback);
273            }
274
275        } else {
276
277            if (_.cssTransitions === false) {
278                if (_.options.rtl === true) {
279                    _.currentLeft = -(_.currentLeft);
280                }
281                $({
282                    animStart: _.currentLeft
283                }).animate({
284                    animStart: targetLeft
285                }, {
286                    duration: _.options.speed,
287                    easing: _.options.easing,
288                    step: function(now) {
289                        now = Math.ceil(now);
290                        if (_.options.vertical === false) {
291                            animProps[_.animType] = 'translate(' +
292                                now + 'px, 0px)';
293                            _.$slideTrack.css(animProps);
294                        } else {
295                            animProps[_.animType] = 'translate(0px,' +
296                                now + 'px)';
297                            _.$slideTrack.css(animProps);
298                        }
299                    },
300                    complete: function() {
301                        if (callback) {
302                            callback.call();
303                        }
304                    }
305                });
306
307            } else {
308
309                _.applyTransition();
310                targetLeft = Math.ceil(targetLeft);
311
312                if (_.options.vertical === false) {
313                    animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)';
314                } else {
315                    animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)';
316                }
317                _.$slideTrack.css(animProps);
318
319                if (callback) {
320                    setTimeout(function() {
321
322                        _.disableTransition();
323
324                        callback.call();
325                    }, _.options.speed);
326                }
327
328            }
329
330        }
331
332    };
333
334    Slick.prototype.getNavTarget = function() {
335
336        var _ = this,
337            asNavFor = _.options.asNavFor;
338
339        if ( asNavFor && asNavFor !== null ) {
340            asNavFor = $(asNavFor).not(_.$slider);
341        }
342
343        return asNavFor;
344
345    };
346
347    Slick.prototype.asNavFor = function(index) {
348
349        var _ = this,
350            asNavFor = _.getNavTarget();
351
352        if ( asNavFor !== null && typeof asNavFor === 'object' ) {
353            asNavFor.each(function() {
354                var target = $(this).slick('getSlick');
355                if(!target.unslicked) {
356                    target.slideHandler(index, true);
357                }
358            });
359        }
360
361    };
362
363    Slick.prototype.applyTransition = function(slide) {
364
365        var _ = this,
366            transition = {};
367
368        if (_.options.fade === false) {
369            transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase;
370        } else {
371            transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase;
372        }
373
374        if (_.options.fade === false) {
375            _.$slideTrack.css(transition);
376        } else {
377            _.$slides.eq(slide).css(transition);
378        }
379
380    };
381
382    Slick.prototype.autoPlay = function() {
383
384        var _ = this;
385
386        _.autoPlayClear();
387
388        if ( _.slideCount > _.options.slidesToShow ) {
389            _.autoPlayTimer = setInterval( _.autoPlayIterator, _.options.autoplaySpeed );
390        }
391
392    };
393
394    Slick.prototype.autoPlayClear = function() {
395
396        var _ = this;
397
398        if (_.autoPlayTimer) {
399            clearInterval(_.autoPlayTimer);
400        }
401
402    };
403
404    Slick.prototype.autoPlayIterator = function() {
405
406        var _ = this,
407            slideTo = _.currentSlide + _.options.slidesToScroll;
408
409        if ( !_.paused && !_.interrupted && !_.focussed ) {
410
411            if ( _.options.infinite === false ) {
412
413                if ( _.direction === 1 && ( _.currentSlide + 1 ) === ( _.slideCount - 1 )) {
414                    _.direction = 0;
415                }
416
417                else if ( _.direction === 0 ) {
418
419                    slideTo = _.currentSlide - _.options.slidesToScroll;
420
421                    if ( _.currentSlide - 1 === 0 ) {
422                        _.direction = 1;
423                    }
424
425                }
426
427            }
428
429            _.slideHandler( slideTo );
430
431        }
432
433    };
434
435    Slick.prototype.buildArrows = function() {
436
437        var _ = this;
438
439        if (_.options.arrows === true ) {
440
441            _.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow');
442            _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow');
443
444            if( _.slideCount > _.options.slidesToShow ) {
445
446                _.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
447                _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
448
449                if (_.htmlExpr.test(_.options.prevArrow)) {
450                    _.$prevArrow.prependTo(_.options.appendArrows);
451                }
452
453                if (_.htmlExpr.test(_.options.nextArrow)) {
454                    _.$nextArrow.appendTo(_.options.appendArrows);
455                }
456
457                if (_.options.infinite !== true) {
458                    _.$prevArrow
459                        .addClass('slick-disabled')
460                        .attr('aria-disabled', 'true');
461                }
462
463            } else {
464
465                _.$prevArrow.add( _.$nextArrow )
466
467                    .addClass('slick-hidden')
468                    .attr({
469                        'aria-disabled': 'true',
470                        'tabindex': '-1'
471                    });
472
473            }
474
475        }
476
477    };
478
479    Slick.prototype.buildDots = function() {
480
481        var _ = this,
482            i, dot;
483
484        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
485
486            _.$slider.addClass('slick-dotted');
487
488            dot = $('<ul />').addClass(_.options.dotsClass);
489
490            for (i = 0; i <= _.getDotCount(); i += 1) {
491                dot.append($('<li />').append(_.options.customPaging.call(this, _, i)));
492            }
493
494            _.$dots = dot.appendTo(_.options.appendDots);
495
496            _.$dots.find('li').first().addClass('slick-active').attr('aria-hidden', 'false');
497
498        }
499
500    };
501
502    Slick.prototype.buildOut = function() {
503
504        var _ = this;
505
506        _.$slides =
507            _.$slider
508                .children( _.options.slide + ':not(.slick-cloned)')
509                .addClass('slick-slide');
510
511        _.slideCount = _.$slides.length;
512
513        _.$slides.each(function(index, element) {
514            $(element)
515                .attr('data-slick-index', index)
516                .data('originalStyling', $(element).attr('style') || '');
517        });
518
519        _.$slider.addClass('slick-slider');
520
521        _.$slideTrack = (_.slideCount === 0) ?
522            $('<div class="slick-track"/>').appendTo(_.$slider) :
523            _.$slides.wrapAll('<div class="slick-track"/>').parent();
524
525 _.$list = _.$slideTrack.wrap(
526            '<div class="slick-list" aria-live="polite" />').parent();
527
528        $('.slick-list')
529            .focusin(function() {
530                $(this).attr('aria-live', 'polite');
531            })
532            .focusout(function() {
533                $(this).attr('aria-live', 'off');
534            });
535        _.$slideTrack.css('opacity', 0);
536
537        if (_.options.centerMode === true || _.options.swipeToSlide === true) {
538            _.options.slidesToScroll = 1;
539        }
540
541        $('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');
542
543        _.setupInfinite();
544
545        _.buildArrows();
546
547        _.buildDots();
548
549        _.updateDots();
550
551
552        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
553
554        if (_.options.draggable === true) {
555            _.$list.addClass('draggable');
556        }
557
558    };
559
560    Slick.prototype.buildRows = function() {
561
562        var _ = this, a, b, c, newSlides, numOfSlides, originalSlides,slidesPerSection;
563
564        newSlides = document.createDocumentFragment();
565        originalSlides = _.$slider.children();
566
567        if(_.options.rows > 1) {
568
569            slidesPerSection = _.options.slidesPerRow * _.options.rows;
570            numOfSlides = Math.ceil(
571                originalSlides.length / slidesPerSection
572            );
573
574            for(a = 0; a < numOfSlides; a++){
575                var slide = document.createElement('div');
576                for(b = 0; b < _.options.rows; b++) {
577                    var row = document.createElement('div');
578                    for(c = 0; c < _.options.slidesPerRow; c++) {
579                        var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c));
580                        if (originalSlides.get(target)) {
581                            row.appendChild(originalSlides.get(target));
582                        }
583                    }
584                    slide.appendChild(row);
585                }
586                newSlides.appendChild(slide);
587            }
588
589            _.$slider.empty().append(newSlides);
590            _.$slider.children().children().children()
591                .css({
592                    'width':(100 / _.options.slidesPerRow) + '%',
593                    'display': 'inline-block'
594                });
595
596        }
597
598    };
599
600    Slick.prototype.checkResponsive = function(initial, forceUpdate) {
601
602        var _ = this,
603            breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false;
604        var sliderWidth = _.$slider.width();
605        var windowWidth = window.innerWidth || $(window).width();
606
607        if (_.respondTo === 'window') {
608            respondToWidth = windowWidth;
609        } else if (_.respondTo === 'slider') {
610            respondToWidth = sliderWidth;
611        } else if (_.respondTo === 'min') {
612            respondToWidth = Math.min(windowWidth, sliderWidth);
613        }
614
615        if ( _.options.responsive &&
616            _.options.responsive.length &&
617            _.options.responsive !== null) {
618
619            targetBreakpoint = null;
620
621            for (breakpoint in _.breakpoints) {
622                if (_.breakpoints.hasOwnProperty(breakpoint)) {
623                    if (_.originalSettings.mobileFirst === false) {
624                        if (respondToWidth < _.breakpoints[breakpoint]) {
625                            targetBreakpoint = _.breakpoints[breakpoint];
626                        }
627                    } else {
628                        if (respondToWidth > _.breakpoints[breakpoint]) {
629                            targetBreakpoint = _.breakpoints[breakpoint];
630                        }
631                    }
632                }
633            }
634
635            if (targetBreakpoint !== null) {
636                if (_.activeBreakpoint !== null) {
637                    if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) {
638                        _.activeBreakpoint =
639                            targetBreakpoint;
640                        if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
641                            _.unslick(targetBreakpoint);
642                        } else {
643                            _.options = $.extend({}, _.originalSettings,
644                                _.breakpointSettings[
645                                    targetBreakpoint]);
646                            if (initial === true) {
647                                _.currentSlide = _.options.initialSlide;
648                            }
649                            _.refresh(initial);
650                        }
651                        triggerBreakpoint = targetBreakpoint;
652                    }
653                } else {
654                    _.activeBreakpoint = targetBreakpoint;
655                    if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
656                        _.unslick(targetBreakpoint);
657                    } else {
658                        _.options = $.extend({}, _.originalSettings,
659                            _.breakpointSettings[
660                                targetBreakpoint]);
661                        if (initial === true) {
662                            _.currentSlide = _.options.initialSlide;
663                        }
664                        _.refresh(initial);
665                    }
666                    triggerBreakpoint = targetBreakpoint;
667                }
668            } else {
669                if (_.activeBreakpoint !== null) {
670                    _.activeBreakpoint = null;
671                    _.options = _.originalSettings;
672                    if (initial === true) {
673                        _.currentSlide = _.options.initialSlide;
674                    }
675                    _.refresh(initial);
676                    triggerBreakpoint = targetBreakpoint;
677                }
678            }
679
680            // only trigger breakpoints during an actual break. not on initialize.
681            if( !initial && triggerBreakpoint !== false ) {
682                _.$slider.trigger('breakpoint', [_, triggerBreakpoint]);
683            }
684        }
685
686    };
687
688    Slick.prototype.changeSlide = function(event, dontAnimate) {
689
690        var _ = this,
691            $target = $(event.currentTarget),
692            indexOffset, slideOffset, unevenOffset;
693
694        // If target is a link, prevent default action.
695        if($target.is('a')) {
696            event.preventDefault();
697        }
698
699        // If target is not the <li> element (ie: a child), find the <li>.
700        if(!$target.is('li')) {
701            $target = $target.closest('li');
702        }
703
704        unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0);
705        indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll;
706
707        switch (event.data.message) {
708
709            case 'previous':
710                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset;
711                if (_.slideCount > _.options.slidesToShow) {
712                    _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate);
713                }
714                break;
715
716            case 'next':
717                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset;
718                if (_.slideCount > _.options.slidesToShow) {
719                    _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate);
720                }
721                break;
722
723            case 'index':
724                var index = event.data.index === 0 ? 0 :
725                    event.data.index || $target.index() * _.options.slidesToScroll;
726
727                _.slideHandler(_.checkNavigable(index), false, dontAnimate);
728                $target.children().trigger('focus');
729                break;
730
731            default:
732                return;
733        }
734
735    };
736
737    Slick.prototype.checkNavigable = function(index) {
738
739        var _ = this,
740            navigables, prevNavigable;
741
742        navigables = _.getNavigableIndexes();
743        prevNavigable = 0;
744        if (index > navigables[navigables.length - 1]) {
745            index = navigables[navigables.length - 1];
746        } else {
747            for (var n in navigables) {
748                if (index < navigables[n]) {
749                    index = prevNavigable;
750                    break;
751                }
752                prevNavigable = navigables[n];
753            }
754        }
755
756        return index;
757    };
758
759    Slick.prototype.cleanUpEvents = function() {
760
761        var _ = this;
762
763        if (_.options.dots && _.$dots !== null) {
764
765            $('li', _.$dots)
766                .off('click.slick', _.changeSlide)
767                .off('mouseenter.slick', $.proxy(_.interrupt, _, true))
768                .off('mouseleave.slick', $.proxy(_.interrupt, _, false));
769
770        }
771
772        _.$slider.off('focus.slick blur.slick');
773
774        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
775            _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide);
776            _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);
777        }
778
779        _.$list.off('touchstart.slick mousedown.slick', _.swipeHandler);
780        _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler);
781        _.$list.off('touchend.slick mouseup.slick', _.swipeHandler);
782        _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler);
783
784        _.$list.off('click.slick', _.clickHandler);
785
786        $(document).off(_.visibilityChange, _.visibility);
787
788        _.cleanUpSlideEvents();
789
790        if (_.options.accessibility === true) {
791            _.$list.off('keydown.slick', _.keyHandler);
792        }
793
794        if (_.options.focusOnSelect === true) {
795            $(_.$slideTrack).children().off('click.slick', _.selectHandler);
796        }
797
798        $(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange);
799
800        $(window).off('resize.slick.slick-' + _.instanceUid, _.resize);
801
802        $('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault);
803
804        $(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);
805        $(document).off('ready.slick.slick-' + _.instanceUid, _.setPosition);
806
807    };
808
809    Slick.prototype.cleanUpSlideEvents = function() {
810
811        var _ = this;
812
813        _.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true));
814        _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false));
815
816    };
817
818    Slick.prototype.cleanUpRows = function() {
819
820        var _ = this, originalSlides;
821
822        if(_.options.rows > 1) {
823            originalSlides = _.$slides.children().children();
824            originalSlides.removeAttr('style');
825            _.$slider.empty().append(originalSlides);
826        }
827
828    };
829
830    Slick.prototype.clickHandler = function(event) {
831
832        var _ = this;
833
834        if (_.shouldClick === false) {
835            event.stopImmediatePropagation();
836            event.stopPropagation();
837            event.preventDefault();
838        }
839
840    };
841
842    Slick.prototype.destroy = function(refresh) {
843
844        var _ = this;
845
846        _.autoPlayClear();
847
848        _.touchObject = {};
849
850        _.cleanUpEvents();
851
852        $('.slick-cloned', _.$slider).detach();
853
854        if (_.$dots) {
855            _.$dots.remove();
856        }
857
858
859        if ( _.$prevArrow && _.$prevArrow.length ) {
860
861            _.$prevArrow
862                .removeClass('slick-disabled slick-arrow slick-hidden')
863                .removeAttr('aria-hidden aria-disabled tabindex')
864                .css('display','');
865
866            if ( _.htmlExpr.test( _.options.prevArrow )) {
867                _.$prevArrow.remove();
868            }
869        }
870
871        if ( _.$nextArrow && _.$nextArrow.length ) {
872
873            _.$nextArrow
874                .removeClass('slick-disabled slick-arrow slick-hidden')
875                .removeAttr('aria-hidden aria-disabled tabindex')
876                .css('display','');
877
878            if ( _.htmlExpr.test( _.options.nextArrow )) {
879                _.$nextArrow.remove();
880            }
881
882        }
883
884
885        if (_.$slides) {
886
887            _.$slides
888                .removeClass('slick-slide slick-active slick-center slick-visible slick-current')
889                .removeAttr('aria-hidden')
890                .removeAttr('data-slick-index')
891                .each(function(){
892                    $(this).attr('style', $(this).data('originalStyling'));
893                });
894
895            _.$slideTrack.children(this.options.slide).detach();
896
897            _.$slideTrack.detach();
898
899            _.$list.detach();
900
901            _.$slider.append(_.$slides);
902        }
903
904        _.cleanUpRows();
905
906        _.$slider.removeClass('slick-slider');
907        _.$slider.removeClass('slick-initialized');
908        _.$slider.removeClass('slick-dotted');
909
910        _.unslicked = true;
911
912        if(!refresh) {
913            _.$slider.trigger('destroy', [_]);
914        }
915
916    };
917
918    Slick.prototype.disableTransition = function(slide) {
919
920        var _ = this,
921            transition = {};
922
923        transition[_.transitionType] = '';
924
925        if (_.options.fade === false) {
926            _.$slideTrack.css(transition);
927        } else {
928            _.$slides.eq(slide).css(transition);
929        }
930
931    };
932
933    Slick.prototype.fadeSlide = function(slideIndex, callback) {
934
935        var _ = this;
936
937        if (_.cssTransitions === false) {
938
939            _.$slides.eq(slideIndex).css({
940                zIndex: _.options.zIndex
941            });
942
943            _.$slides.eq(slideIndex).animate({
944                opacity: 1
945            }, _.options.speed, _.options.easing, callback);
946
947        } else {
948
949            _.applyTransition(slideIndex);
950
951            _.$slides.eq(slideIndex).css({
952                opacity: 1,
953                zIndex: _.options.zIndex
954            });
955
956            if (callback) {
957                setTimeout(function() {
958
959                    _.disableTransition(slideIndex);
960
961                    callback.call();
962                }, _.options.speed);
963            }
964
965        }
966
967    };
968
969    Slick.prototype.fadeSlideOut = function(slideIndex) {
970
971        var _ = this;
972
973        if (_.cssTransitions === false) {
974
975            _.$slides.eq(slideIndex).animate({
976                opacity: 0,
977                zIndex: _.options.zIndex - 2
978            }, _.options.speed, _.options.easing);
979
980        } else {
981
982            _.applyTransition(slideIndex);
983
984            _.$slides.eq(slideIndex).css({
985                opacity: 0,
986                zIndex: _.options.zIndex - 2
987            });
988
989        }
990
991    };
992
993    Slick.prototype.filterSlides = Slick.prototype.slickFilter = function(filter) {
994
995        var _ = this;
996
997        if (filter !== null) {
998
999            _.$slidesCache = _.$slides;
1000
1001            _.unload();
1002
1003            _.$slideTrack.children(this.options.slide).detach();
1004
1005            _.$slidesCache.filter(filter).appendTo(_.$slideTrack);
1006
1007            _.reinit();
1008
1009        }
1010
1011    };
1012
1013    Slick.prototype.focusHandler = function() {
1014
1015        var _ = this;
1016
1017        _.$slider
1018            .off('focus.slick blur.slick')
1019            .on('focus.slick blur.slick',
1020                '*:not(.slick-arrow)', function(event) {
1021
1022            event.stopImmediatePropagation();
1023            var $sf = $(this);
1024
1025            setTimeout(function() {
1026
1027                if( _.options.pauseOnFocus ) {
1028                    _.focussed = $sf.is(':focus');
1029                    _.autoPlay();
1030                }
1031
1032            }, 0);
1033
1034        });
1035    };
1036
1037    Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {
1038
1039        var _ = this;
1040        return _.currentSlide;
1041
1042    };
1043
1044    Slick.prototype.getDotCount = function() {
1045
1046        var _ = this;
1047
1048        var breakPoint = 0;
1049        var counter = 0;
1050        var pagerQty = 0;
1051
1052        if (_.options.infinite === true) {
1053            while (breakPoint < _.slideCount) {
1054                ++pagerQty;
1055                breakPoint = counter + _.options.slidesToScroll;
1056                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1057            }
1058        } else if (_.options.centerMode === true) {
1059            pagerQty = _.slideCount;
1060        } else if(!_.options.asNavFor) {
1061            pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll);
1062        }else {
1063            while (breakPoint < _.slideCount) {
1064                ++pagerQty;
1065                breakPoint = counter + _.options.slidesToScroll;
1066                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1067            }
1068        }
1069
1070        return pagerQty - 1;
1071
1072    };
1073
1074    Slick.prototype.getLeft = function(slideIndex) {
1075
1076        var _ = this,
1077            targetLeft,
1078            verticalHeight,
1079            verticalOffset = 0,
1080            targetSlide;
1081
1082        _.slideOffset = 0;
1083        verticalHeight = _.$slides.first().outerHeight(true);
1084
1085        if (_.options.infinite === true) {
1086            if (_.slideCount > _.options.slidesToShow) {
1087                _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1;
1088                verticalOffset = (verticalHeight * _.options.slidesToShow) * -1;
1089            }
1090            if (_.slideCount % _.options.slidesToScroll !== 0) {
1091                if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
1092                    if (slideIndex > _.slideCount) {
1093                        _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1;
1094                        verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1;
1095                    } else {
1096                        _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1;
1097                        verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1;
1098                    }
1099                }
1100            }
1101        } else {
1102            if (slideIndex + _.options.slidesToShow > _.slideCount) {
1103                _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth;
1104                verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight;
1105            }
1106        }
1107
1108        if (_.slideCount <= _.options.slidesToShow) {
1109            _.slideOffset = 0;
1110            verticalOffset = 0;
1111        }
1112
1113       
vendor: 5,167 bytes, lines 1113-1286
1113 if (_.options.centerMode === true && _.options.infinite === true) {
1114            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
1115        } else if (_.options.centerMode === true) {
1116            _.slideOffset = 0;
1117            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
1118        }
1119
1120        if (_.options.vertical === false) {
1121            targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
1122        } else {
1123            targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
1124        }
1125
1126        if (_.options.variableWidth === true) {
1127
1128            if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
1129                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
1130            } else {
1131                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow);
1132            }
1133
1134            if (_.options.rtl === true) {
1135                if (targetSlide[0]) {
1136                    targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
1137                } else {
1138                    targetLeft =  0;
1139                }
1140            } else {
1141                targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
1142            }
1143
1144            if (_.options.centerMode === true) {
1145                if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
1146                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
1147                } else {
1148                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1);
1149                }
1150
1151                if (_.options.rtl === true) {
1152                    if (targetSlide[0]) {
1153                        targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
1154                    } else {
1155                        targetLeft =  0;
1156                    }
1157                } else {
1158                    targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
1159                }
1160
1161                targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2;
1162            }
1163        }
1164
1165        return targetLeft;
1166
1167    };
1168
1169    Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {
1170
1171        var _ = this;
1172
1173        return _.options[option];
1174
1175    };
1176
1177    Slick.prototype.getNavigableIndexes = function() {
1178
1179        var _ = this,
1180            breakPoint = 0,
1181            counter = 0,
1182            indexes = [],
1183            max;
1184
1185        if (_.options.infinite === false) {
1186            max = _.slideCount;
1187        } else {
1188            breakPoint = _.options.slidesToScroll * -1;
1189            counter = _.options.slidesToScroll * -1;
1190            max = _.slideCount * 2;
1191        }
1192
1193        while (breakPoint < max) {
1194            indexes.push(breakPoint);
1195            breakPoint = counter + _.options.slidesToScroll;
1196            counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1197        }
1198
1199        return indexes;
1200
1201    };
1202
1203    Slick.prototype.getSlick = function() {
1204
1205        return this;
1206
1207    };
1208
1209    Slick.prototype.getSlideCount = function() {
1210
1211        var _ = this,
1212            slidesTraversed, swipedSlide, centerOffset;
1213
1214        centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0;
1215
1216        if (_.options.swipeToSlide === true) {
1217            _.$slideTrack.find('.slick-slide').each(function(index, slide) {
1218                if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) {
1219                    swipedSlide = slide;
1220                    return false;
1221                }
1222            });
1223
1224            slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1;
1225
1226            return slidesTraversed;
1227
1228        } else {
1229            return _.options.slidesToScroll;
1230        }
1231
1232    };
1233
1234    Slick.prototype.goTo = Slick.prototype.slickGoTo = function(slide, dontAnimate) {
1235
1236        var _ = this;
1237
1238        _.changeSlide({
1239            data: {
1240                message: 'index',
1241                index: parseInt(slide)
1242            }
1243        }, dontAnimate);
1244
1245    };
1246
1247    Slick.prototype.init = function(creation) {
1248
1249        var _ = this;
1250
1251        if (!$(_.$slider).hasClass('slick-initialized')) {
1252
1253            $(_.$slider).addClass('slick-initialized');
1254
1255            _.buildRows();
1256            _.buildOut();
1257            _.setProps();
1258            _.startLoad();
1259            _.loadSlider();
1260            _.initializeEvents();
1261            _.updateArrows();
1262            _.updateDots();
1263            _.checkResponsive(true);
1264            _.focusHandler();
1265
1266        }
1267
1268        if (creation) {
1269            _.$slider.trigger('init', [_]);
1270        }
1271
1272        if (_.options.accessibility === true) {
1273            _.initADA();
1274        }
1275
1276        if ( _.options.autoplay ) {
1277
1278            _.paused = false;
1279            _.autoPlay();
1280
1281        }
1282
1283    };
1284
1285    Slick.prototype.initADA = function() {
1286        var _ = this
1286;
1287        _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({
1288            'aria-hidden': 'true',
1289            'tabindex': '-1'
1290        }).find('a, input, button, select').attr({
1291            'tabindex': '-1'
1292        });
1293
1294        _.$slideTrack.attr('role', 'listbox');
1295
1296        _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) {
1297            $(this).attr({
1298                'role': 'option',
1299                'aria-describedby': 'slick-slide' + _.instanceUid + i + ''
1300            });
1301        });
1302
1303        if (_.$dots !== null) {
1304            _.$dots.attr('role', 'tablist').find('li').each(function(i) {
1305                $(this).attr({
1306                    'role': 'presentation',
1307                    'aria-selected': 'false',
1308                    'aria-controls': 'navigation' + _.instanceUid + i + '',
1309                    'id': 'slick-slide' + _.instanceUid + i + ''
1310                });
1311            })
1312                .first().attr('aria-selected', 'true').end()
1313                .find('button').attr('role', 'button').end()
1314                .closest('div').attr('role', 'toolbar');
1315        }
1316        _.activateADA();
1317
1318    };
1319
1320    Slick.prototype.initArrowEvents = function() {
1321
1322        var _ = this;
1323
1324        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
1325            _.$prevArrow
1326               .off('click.slick')
1327               .on('click.slick', {
1328                    message: 'previous'
1329               }, _.changeSlide);
1330            _.$nextArrow
1331               .off('click.slick')
1332               .on('click.slick', {
1333                    message: 'next'
1334               }, _.changeSlide);
1335        }
1336
1337    };
1338
1339    Slick.prototype.initDotEvents = function() {
1340
1341        var _ = this;
1342
1343        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
1344            $('li', _.$dots).on('click.slick', {
1345                message: 'index'
1346            }, _.changeSlide);
1347        }
1348
1349        if ( _.options.dots === true && _.options.pauseOnDotsHover === true ) {
1350
1351            $('li', _.$dots)
1352                .on('mouseenter.slick', $.proxy(_.interrupt, _, true))
1353                .on('mouseleave.slick', $.proxy(_.interrupt, _, false));
1354
1355        }
1356
1357    };
1358
1359    Slick.prototype.initSlideEvents = function() {
1360
1361        var _ = this;
1362
1363        if ( _.options.pauseOnHover ) {
1364
1365            _.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true));
1366            _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false));
1367
1368        }
1369
1370    };
1371
1372    Slick.prototype.initializeEvents = function() {
1373
1374        var _ = this;
1375
1376        _.initArrowEvents();
1377
1378        _.initDotEvents();
1379        _.initSlideEvents();
1380
1381        _.$list.on('touchstart.slick mousedown.slick', {
1382            action: 'start'
1383        }, _.swipeHandler);
1384        _.$list.on('touchmove.slick mousemove.slick', {
1385            action: 'move'
1386        }, _.swipeHandler);
1387        _.$list.on('touchend.slick mouseup.slick', {
1388            action: 'end'
1389        }, _.swipeHandler);
vendor: 10,240 bytes, lines 1390-1767
1390        _.$list.on('touchcancel.slick mouseleave.slick', {
1391            action: 'end'
1392        }, _.swipeHandler);
1393
1394        _.$list.on('click.slick', _.clickHandler);
1395
1396        $(document).on(_.visibilityChange, $.proxy(_.visibility, _));
1397
1398        if (_.options.accessibility === true) {
1399            _.$list.on('keydown.slick', _.keyHandler);
1400        }
1401
1402        if (_.options.focusOnSelect === true) {
1403            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
1404        }
1405
1406        $(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _));
1407
1408        $(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _));
1409
1410        $('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault);
1411
1412        $(window).on('load.slick.slick-' + _.instanceUid, _.setPosition);
1413        $(document).on('ready.slick.slick-' + _.instanceUid, _.setPosition);
1414
1415    };
1416
1417    Slick.prototype.initUI = function() {
1418
1419        var _ = this;
1420
1421        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
1422
1423            _.$prevArrow.show();
1424            _.$nextArrow.show();
1425
1426        }
1427
1428        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
1429
1430            _.$dots.show();
1431
1432        }
1433
1434    };
1435
1436    Slick.prototype.keyHandler = function(event) {
1437
1438        var _ = this;
1439         //Dont slide if the cursor is inside the form fields and arrow keys are pressed
1440        if(!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) {
1441            if (event.keyCode === 37 && _.options.accessibility === true) {
1442                _.changeSlide({
1443                    data: {
1444                        message: _.options.rtl === true ? 'next' :  'previous'
1445                    }
1446                });
1447            } else if (event.keyCode === 39 && _.options.accessibility === true) {
1448                _.changeSlide({
1449                    data: {
1450                        message: _.options.rtl === true ? 'previous' : 'next'
1451                    }
1452                });
1453            }
1454        }
1455
1456    };
1457
1458    Slick.prototype.lazyLoad = function() {
1459
1460        var _ = this,
1461            loadRange, cloneRange, rangeStart, rangeEnd;
1462
1463        function loadImages(imagesScope) {
1464
1465            $('img[data-lazy]', imagesScope).each(function() {
1466
1467                var image = $(this),
1468                    imageSource = $(this).attr('data-lazy'),
1469                    imageToLoad = document.createElement('img');
1470
1471                imageToLoad.onload = function() {
1472
1473                    image
1474                        .animate({ opacity: 0 }, 100, function() {
1475                            image
1476                                .attr('src', imageSource)
1477                                .animate({ opacity: 1 }, 200, function() {
1478                                    image
1479                                        .removeAttr('data-lazy')
1480                                        .removeClass('slick-loading');
1481                                });
1482                            _.$slider.trigger('lazyLoaded', [_, image, imageSource]);
1483                        });
1484
1485                };
1486
1487                imageToLoad.onerror = function() {
1488
1489                    image
1490                        .removeAttr( 'data-lazy' )
1491                        .removeClass( 'slick-loading' )
1492                        .addClass( 'slick-lazyload-error' );
1493
1494                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);
1495
1496                };
1497
1498                imageToLoad.src = imageSource;
1499
1500            });
1501
1502        }
1503
1504        if (_.options.centerMode === true) {
1505            if (_.options.infinite === true) {
1506                rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1);
1507                rangeEnd = rangeStart + _.options.slidesToShow + 2;
1508            } else {
1509                rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1));
1510                rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide;
1511            }
1512        } else {
1513            rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
1514            rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow);
1515            if (_.options.fade === true) {
1516                if (rangeStart > 0) rangeStart--;
1517                if (rangeEnd <= _.slideCount) rangeEnd++;
1518            }
1519        }
1520
1521        loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);
1522        loadImages(loadRange);
1523
1524        if (_.slideCount <= _.options.slidesToShow) {
1525            cloneRange = _.$slider.find('.slick-slide');
1526            loadImages(cloneRange);
1527        } else
1528        if (_.currentSlide >= _.slideCount - _.options.slidesToShow) {
1529            cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow);
1530            loadImages(cloneRange);
1531        } else if (_.currentSlide === 0) {
1532            cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1);
1533            loadImages(cloneRange);
1534        }
1535
1536    };
1537
1538    Slick.prototype.loadSlider = function() {
1539
1540        var _ = this;
1541
1542        _.setPosition();
1543
1544        _.$slideTrack.css({
1545            opacity: 1
1546        });
1547
1548        _.$slider.removeClass('slick-loading');
1549
1550        _.initUI();
1551
1552        if (_.options.lazyLoad === 'progressive') {
1553            _.progressiveLazyLoad();
1554        }
1555
1556    };
1557
1558    Slick.prototype.next = Slick.prototype.slickNext = function() {
1559
1560        var _ = this;
1561
1562        _.changeSlide({
1563            data: {
1564                message: 'next'
1565            }
1566        });
1567
1568    };
1569
1570    Slick.prototype.orientationChange = function() {
1571
1572        var _ = this;
1573
1574        _.checkResponsive();
1575        _.setPosition();
1576
1577    };
1578
1579    Slick.prototype.pause = Slick.prototype.slickPause = function() {
1580
1581        var _ = this;
1582
1583        _.autoPlayClear();
1584        _.paused = true;
1585
1586    };
1587
1588    Slick.prototype.play = Slick.prototype.slickPlay = function() {
1589
1590        var _ = this;
1591
1592        _.autoPlay();
1593        _.options.autoplay = true;
1594        _.paused = false;
1595        _.focussed = false;
1596        _.interrupted = false;
1597
1598    };
1599
1600    Slick.prototype.postSlide = function(index) {
1601
1602        var _ = this;
1603
1604        if( !_.unslicked ) {
1605
1606            _.$slider.trigger('afterChange', [_, index]);
1607
1608            _.animating = false;
1609
1610            _.setPosition();
1611
1612            _.swipeLeft = null;
1613
1614            if ( _.options.autoplay ) {
1615                _.autoPlay();
1616            }
1617
1618            if (_.options.accessibility === true) {
1619                _.initADA();
1620            }
1621
1622        }
1623
1624    };
1625
1626    Slick.prototype.prev = Slick.prototype.slickPrev = function() {
1627
1628        var _ = this;
1629
1630        _.changeSlide({
1631            data: {
1632                message: 'previous'
1633            }
1634        });
1635
1636    };
1637
1638    Slick.prototype.preventDefault = function(event) {
1639
1640        event.preventDefault();
1641
1642    };
1643
1644    Slick.prototype.progressiveLazyLoad = function( tryCount ) {
1645
1646        tryCount = tryCount || 1;
1647
1648        var _ = this,
1649            $imgsToLoad = $( 'img[data-lazy]', _.$slider ),
1650            image,
1651            imageSource,
1652            imageToLoad;
1653
1654        if ( $imgsToLoad.length ) {
1655
1656            image = $imgsToLoad.first();
1657            imageSource = image.attr('data-lazy');
1658            imageToLoad = document.createElement('img');
1659
1660            imageToLoad.onload = function() {
1661
1662                image
1663                    .attr( 'src', imageSource )
1664                    .removeAttr('data-lazy')
1665                    .removeClass('slick-loading');
1666
1667                if ( _.options.adaptiveHeight === true ) {
1668                    _.setPosition();
1669                }
1670
1671                _.$slider.trigger('lazyLoaded', [ _, image, imageSource ]);
1672                _.progressiveLazyLoad();
1673
1674            };
1675
1676            imageToLoad.onerror = function() {
1677
1678                if ( tryCount < 3 ) {
1679
1680                    /**
1681                     * try to load the image 3 times,
1682                     * leave a slight delay so we don't get
1683                     * servers blocking the request.
1684                     */
1685                    setTimeout( function() {
1686                        _.progressiveLazyLoad( tryCount + 1 );
1687                    }, 500 );
1688
1689                } else {
1690
1691                    image
1692                        .removeAttr( 'data-lazy' )
1693                        .removeClass( 'slick-loading' )
1694                        .addClass( 'slick-lazyload-error' );
1695
1696                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);
1697
1698                    _.progressiveLazyLoad();
1699
1700                }
1701
1702            };
1703
1704            imageToLoad.src = imageSource;
1705
1706        } else {
1707
1708            _.$slider.trigger('allImagesLoaded', [ _ ]);
1709
1710        }
1711
1712    };
1713
1714    Slick.prototype.refresh = function( initializing ) {
1715
1716        var _ = this, currentSlide, lastVisibleIndex;
1717
1718        lastVisibleIndex = _.slideCount - _.options.slidesToShow;
1719
1720        // in non-infinite sliders, we don't want to go past the
1721        // last visible index.
1722        if( !_.options.infinite && ( _.currentSlide > lastVisibleIndex )) {
1723            _.currentSlide = lastVisibleIndex;
1724        }
1725
1726        // if less slides than to show, go to start.
1727        if ( _.slideCount <= _.options.slidesToShow ) {
1728            _.currentSlide = 0;
1729
1730        }
1731
1732        currentSlide = _.currentSlide;
1733
1734        _.destroy(true);
1735
1736        $.extend(_, _.initials, { currentSlide: currentSlide });
1737
1738        _.init();
1739
1740        if( !initializing ) {
1741
1742            _.changeSlide({
1743                data: {
1744                    message: 'index',
1745                    index: currentSlide
1746                }
1747            }, false);
1748
1749        }
1750
1751    };
1752
1753    Slick.prototype.registerBreakpoints = function() {
1754
1755        var _ = this, breakpoint, currentBreakpoint, l,
1756            responsiveSettings = _.options.responsive || null;
1757
1758        if ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) {
1759
1760            _.respondTo = _.options.respondTo || 'window';
1761
1762            for ( breakpoint in responsiveSettings ) {
1763
1764                l = _.breakpoints.length-1;
1765                currentBreakpoint = responsiveSettings[breakpoint].breakpoint;
1766
1767                if (responsiveSettings.hasOwnProperty(breakpoint)) {
vendor: 12,466 bytes, lines 1767-2200
1767
1768
1769                    // loop through the breakpoints and cut out any existing
1770                    // ones with the same breakpoint number, we don't want dupes.
1771                    while( l >= 0 ) {
1772                        if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) {
1773                            _.breakpoints.splice(l,1);
1774                        }
1775                        l--;
1776                    }
1777
1778                    _.breakpoints.push(currentBreakpoint);
1779                    _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;
1780
1781                }
1782
1783            }
1784
1785            _.breakpoints.sort(function(a, b) {
1786                return ( _.options.mobileFirst ) ? a-b : b-a;
1787            });
1788
1789        }
1790
1791    };
1792
1793    Slick.prototype.reinit = function() {
1794
1795        var _ = this;
1796
1797        _.$slides =
1798            _.$slideTrack
1799                .children(_.options.slide)
1800                .addClass('slick-slide');
1801
1802        _.slideCount = _.$slides.length;
1803
1804        if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) {
1805            _.currentSlide = _.currentSlide - _.options.slidesToScroll;
1806        }
1807
1808        if (_.slideCount <= _.options.slidesToShow) {
1809            _.currentSlide = 0;
1810        }
1811
1812        _.registerBreakpoints();
1813
1814        _.setProps();
1815        _.setupInfinite();
1816        _.buildArrows();
1817        _.updateArrows();
1818        _.initArrowEvents();
1819        _.buildDots();
1820        _.updateDots();
1821        _.initDotEvents();
1822        _.cleanUpSlideEvents();
1823        _.initSlideEvents();
1824
1825        _.checkResponsive(false, true);
1826
1827        if (_.options.focusOnSelect === true) {
1828            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
1829        }
1830
1831        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
1832
1833        _.setPosition();
1834        _.focusHandler();
1835
1836        _.paused = !_.options.autoplay;
1837        _.autoPlay();
1838
1839        _.$slider.trigger('reInit', [_]);
1840
1841    };
1842
1843    Slick.prototype.resize = function() {
1844
1845        var _ = this;
1846
1847        if ($(window).width() !== _.windowWidth) {
1848            clearTimeout(_.windowDelay);
1849            _.windowDelay = window.setTimeout(function() {
1850                _.windowWidth = $(window).width();
1851                _.checkResponsive();
1852                if( !_.unslicked ) { _.setPosition(); }
1853            }, 50);
1854        }
1855    };
1856
1857    Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) {
1858
1859        var _ = this;
1860
1861        if (typeof(index) === 'boolean') {
1862            removeBefore = index;
1863            index = removeBefore === true ? 0 : _.slideCount - 1;
1864        } else {
1865            index = removeBefore === true ? --index : index;
1866        }
1867
1868        if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) {
1869            return false;
1870        }
1871
1872        _.unload();
1873
1874        if (removeAll === true) {
1875            _.$slideTrack.children().remove();
1876        } else {
1877            _.$slideTrack.children(this.options.slide).eq(index).remove();
1878        }
1879
1880        _.$slides = _.$slideTrack.children(this.options.slide);
1881
1882        _.$slideTrack.children(this.options.slide).detach();
1883
1884        _.$slideTrack.append(_.$slides);
1885
1886        _.$slidesCache = _.$slides;
1887
1888        _.reinit();
1889
1890    };
1891
1892    Slick.prototype.setCSS = function(position) {
1893
1894        var _ = this,
1895            positionProps = {},
1896            x, y;
1897
1898        if (_.options.rtl === true) {
1899            position = -position;
1900        }
1901        x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px';
1902        y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px';
1903
1904        positionProps[_.positionProp] = position;
1905
1906        if (_.transformsEnabled === false) {
1907            _.$slideTrack.css(positionProps);
1908        } else {
1909            positionProps = {};
1910            if (_.cssTransitions === false) {
1911                positionProps[_.animType] = 'translate(' + x + ', ' + y + ')';
1912                _.$slideTrack.css(positionProps);
1913            } else {
1914                positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)';
1915                _.$slideTrack.css(positionProps);
1916            }
1917        }
1918
1919    };
1920
1921    Slick.prototype.setDimensions = function() {
1922
1923        var _ = this;
1924
1925        if (_.options.vertical === false) {
1926            if (_.options.centerMode === true) {
1927                _.$list.css({
1928                    padding: ('0px ' + _.options.centerPadding)
1929                });
1930            }
1931        } else {
1932            _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow);
1933            if (_.options.centerMode === true) {
1934                _.$list.css({
1935                    padding: (_.options.centerPadding + ' 0px')
1936                });
1937            }
1938        }
1939
1940        _.listWidth = _.$list.width();
1941        _.listHeight = _.$list.height();
1942
1943
1944        if (_.options.vertical === false && _.options.variableWidth === false) {
1945            _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow);
1946            _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length)));
1947
1948        } else if (_.options.variableWidth === true) {
1949            _.$slideTrack.width(5000 * _.slideCount);
1950        } else {
1951            _.slideWidth = Math.ceil(_.listWidth);
1952            _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length)));
1953        }
1954
1955        var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width();
1956        if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset);
1957
1958    };
1959
1960    Slick.prototype.setFade = function() {
1961
1962        var _ = this,
1963            targetLeft;
1964
1965        _.$slides.each(function(index, element) {
1966            targetLeft = (_.slideWidth * index) * -1;
1967            if (_.options.rtl === true) {
1968                $(element).css({
1969                    position: 'relative',
1970                    right: targetLeft,
1971                    top: 0,
1972                    zIndex: _.options.zIndex - 2,
1973                    opacity: 0
1974                });
1975            } else {
1976                $(element).css({
1977                    position: 'relative',
1978                    left: targetLeft,
1979                    top: 0,
1980                    zIndex: _.options.zIndex - 2,
1981                    opacity: 0
1982                });
1983            }
1984        });
1985
1986        _.$slides.eq(_.currentSlide).css({
1987            zIndex: _.options.zIndex - 1,
1988            opacity: 1
1989        });
1990
1991    };
1992
1993    Slick.prototype.setHeight = function() {
1994
1995        var _ = this;
1996
1997        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
1998            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
1999            _.$list.css('height', targetHeight);
2000        }
2001
2002    };
2003
2004    Slick.prototype.setOption =
2005    Slick.prototype.slickSetOption = function() {
2006
2007        /**
2008         * accepts arguments in format of:
2009         *
2010         *  - for changing a single option's value:
2011         *     .slick("setOption", option, value, refresh )
2012         *
2013         *  - for changing a set of responsive options:
2014         *     .slick("setOption", 'responsive', [{}, ...], refresh )
2015         *
2016         *  - for updating multiple values at once (not responsive)
2017         *     .slick("setOption", { 'option': value, ... }, refresh )
2018         */
2019
2020        var _ = this, l, item, option, value, refresh = false, type;
2021
2022        if( $.type( arguments[0] ) === 'object' ) {
2023
2024            option =  arguments[0];
2025            refresh = arguments[1];
2026            type = 'multiple';
2027
2028        } else if ( $.type( arguments[0] ) === 'string' ) {
2029
2030            option =  arguments[0];
2031            value = arguments[1];
2032            refresh = arguments[2];
2033
2034            if ( arguments[0] === 'responsive' && $.type( arguments[1] ) === 'array' ) {
2035
2036                type = 'responsive';
2037
2038            } else if ( typeof arguments[1] !== 'undefined' ) {
2039
2040                type = 'single';
2041
2042            }
2043
2044        }
2045
2046        if ( type === 'single' ) {
2047
2048            _.options[option] = value;
2049
2050
2051        } else if ( type === 'multiple' ) {
2052
2053            $.each( option , function( opt, val ) {
2054
2055                _.options[opt] = val;
2056
2057            });
2058
2059
2060        } else if ( type === 'responsive' ) {
2061
2062            for ( item in value ) {
2063
2064                if( $.type( _.options.responsive ) !== 'array' ) {
2065
2066                    _.options.responsive = [ value[item] ];
2067
2068                } else {
2069
2070                    l = _.options.responsive.length-1;
2071
2072                    // loop through the responsive object and splice out duplicates.
2073                    while( l >= 0 ) {
2074
2075                        if( _.options.responsive[l].breakpoint === value[item].breakpoint ) {
2076
2077                            _.options.responsive.splice(l,1);
2078
2079                        }
2080
2081                        l--;
2082
2083                    }
2084
2085                    _.options.responsive.push( value[item] );
2086
2087                }
2088
2089            }
2090
2091        }
2092
2093        if ( refresh ) {
2094
2095            _.unload();
2096            _.reinit();
2097
2098        }
2099
2100    };
2101
2102    Slick.prototype.setPosition = function() {
2103
2104        var _ = this;
2105
2106        _.setDimensions();
2107
2108        _.setHeight();
2109
2110        if (_.options.fade === false) {
2111            _.setCSS(_.getLeft(_.currentSlide));
2112        } else {
2113            _.setFade();
2114        }
2115
2116        _.$slider.trigger('setPosition', [_]);
2117
2118    };
2119
2120    Slick.prototype.setProps = function() {
2121
2122        var _ = this,
2123            bodyStyle = document.body.style;
2124
2125        _.positionProp = _.options.vertical === true ? 'top' : 'left';
2126
2127        if (_.positionProp === 'top') {
2128            _.$slider.addClass('slick-vertical');
2129        } else {
2130            _.$slider.removeClass('slick-vertical');
2131        }
2132
2133        if (bodyStyle.WebkitTransition !== undefined ||
2134            bodyStyle.MozTransition !== undefined ||
2135            bodyStyle.msTransition !== undefined) {
2136            if (_.options.useCSS === true) {
2137                _.cssTransitions = true;
2138            }
2139        }
2140
2141        if ( _.options.fade ) {
2142            if ( typeof _.options.zIndex === 'number' ) {
2143                if( _.options.zIndex < 3 ) {
2144                    _.options.zIndex = 3;
2145                }
2146            } else {
2147                _.options.zIndex = _.defaults.zIndex;
2148            }
2149        }
2150
2151        if (bodyStyle.OTransform !== undefined) {
2152            _.animType = 'OTransform';
2153            _.transformType = '-o-transform';
2154            _.transitionType = 'OTransition';
2155            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
2156        }
2157        if (bodyStyle.MozTransform !== undefined) {
2158            _.animType = 'MozTransform';
2159            _.transformType = '-moz-transform';
2160            _.transitionType = 'MozTransition';
2161            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false;
2162        }
2163        if (bodyStyle.webkitTransform !== undefined) {
2164            _.animType = 'webkitTransform';
2165            _.transformType = '-webkit-transform';
2166            _.transitionType = 'webkitTransition';
2167            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
2168        }
2169        if (bodyStyle.msTransform !== undefined) {
2170            _.animType = 'msTransform';
2171            _.transformType = '-ms-transform';
2172            _.transitionType = 'msTransition';
2173            if (bodyStyle.msTransform === undefined) _.animType = false;
2174        }
2175        if (bodyStyle.transform !== undefined && _.animType !== false) {
2176            _.animType = 'transform';
2177            _.transformType = 'transform';
2178            _.transitionType = 'transition';
2179        }
2180        _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false);
2181    };
2182
2183
2184    Slick.prototype.setSlideClasses = function(index) {
2185
2186        var _ = this,
2187            centerOffset, allSlides, indexOffset, remainder;
2188
2189        allSlides = _.$slider
2190            .find('.slick-slide')
2191            .removeClass('slick-active slick-center slick-current')
2192            .attr('aria-hidden', 'true');
2193
2194        _.$slides
2195            .eq(index)
2196            .addClass('slick-current');
2197
2198        if (_.options.centerMode === true) {
2199
2200            
vendor: 19,730 bytes, lines 2200-2900
2200centerOffset = Math.floor(_.options.slidesToShow / 2);
2201
2202            if (_.options.infinite === true) {
2203
2204                if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) {
2205
2206                    _.$slides
2207                        .slice(index - centerOffset, index + centerOffset + 1)
2208                        .addClass('slick-active')
2209                        .attr('aria-hidden', 'false');
2210
2211                } else {
2212
2213                    indexOffset = _.options.slidesToShow + index;
2214                    allSlides
2215                        .slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2)
2216                        .addClass('slick-active')
2217                        .attr('aria-hidden', 'false');
2218
2219                }
2220
2221                if (index === 0) {
2222
2223                    allSlides
2224                        .eq(allSlides.length - 1 - _.options.slidesToShow)
2225                        .addClass('slick-center');
2226
2227                } else if (index === _.slideCount - 1) {
2228
2229                    allSlides
2230                        .eq(_.options.slidesToShow)
2231                        .addClass('slick-center');
2232
2233                }
2234
2235            }
2236
2237            _.$slides
2238                .eq(index)
2239                .addClass('slick-center');
2240
2241        } else {
2242
2243            if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {
2244
2245                _.$slides
2246                    .slice(index, index + _.options.slidesToShow)
2247                    .addClass('slick-active')
2248                    .attr('aria-hidden', 'false');
2249
2250            } else if (allSlides.length <= _.options.slidesToShow) {
2251
2252                allSlides
2253                    .addClass('slick-active')
2254                    .attr('aria-hidden', 'false');
2255
2256            } else {
2257
2258                remainder = _.slideCount % _.options.slidesToShow;
2259                indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;
2260
2261                if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) {
2262
2263                    allSlides
2264                        .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder)
2265                        .addClass('slick-active')
2266                        .attr('aria-hidden', 'false');
2267
2268                } else {
2269
2270                    allSlides
2271                        .slice(indexOffset, indexOffset + _.options.slidesToShow)
2272                        .addClass('slick-active')
2273                        .attr('aria-hidden', 'false');
2274
2275                }
2276
2277            }
2278
2279        }
2280
2281        if (_.options.lazyLoad === 'ondemand') {
2282            _.lazyLoad();
2283        }
2284
2285    };
2286
2287    Slick.prototype.setupInfinite = function() {
2288
2289        var _ = this,
2290            i, slideIndex, infiniteCount;
2291
2292        if (_.options.fade === true) {
2293            _.options.centerMode = false;
2294        }
2295
2296        if (_.options.infinite === true && _.options.fade === false) {
2297
2298            slideIndex = null;
2299
2300            if (_.slideCount > _.options.slidesToShow) {
2301
2302                if (_.options.centerMode === true) {
2303                    infiniteCount = _.options.slidesToShow + 1;
2304                } else {
2305                    infiniteCount = _.options.slidesToShow;
2306                }
2307
2308                for (i = _.slideCount; i > (_.slideCount -
2309                        infiniteCount); i -= 1) {
2310                    slideIndex = i - 1;
2311                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
2312                        .attr('data-slick-index', slideIndex - _.slideCount)
2313                        .prependTo(_.$slideTrack).addClass('slick-cloned');
2314                }
2315                for (i = 0; i < infiniteCount; i += 1) {
2316                    slideIndex = i;
2317                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
2318                        .attr('data-slick-index', slideIndex + _.slideCount)
2319                        .appendTo(_.$slideTrack).addClass('slick-cloned');
2320                }
2321                _.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
2322                    $(this).attr('id', '');
2323                });
2324
2325            }
2326
2327        }
2328
2329    };
2330
2331    Slick.prototype.interrupt = function( toggle ) {
2332
2333        var _ = this;
2334
2335        if( !toggle ) {
2336            _.autoPlay();
2337        }
2338        _.interrupted = toggle;
2339
2340    };
2341
2342    Slick.prototype.selectHandler = function(event) {
2343
2344        var _ = this;
2345
2346        var targetElement =
2347            $(event.target).is('.slick-slide') ?
2348                $(event.target) :
2349                $(event.target).parents('.slick-slide');
2350
2351        var index = parseInt(targetElement.attr('data-slick-index'));
2352
2353        if (!index) index = 0;
2354
2355        if (_.slideCount <= _.options.slidesToShow) {
2356
2357            _.setSlideClasses(index);
2358            _.asNavFor(index);
2359            return;
2360
2361        }
2362
2363        _.slideHandler(index);
2364
2365    };
2366
2367    Slick.prototype.slideHandler = function(index, sync, dontAnimate) {
2368
2369        var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null,
2370            _ = this, navTarget;
2371
2372        sync = sync || false;
2373
2374        if (_.animating === true && _.options.waitForAnimate === true) {
2375            return;
2376        }
2377
2378        if (_.options.fade === true && _.currentSlide === index) {
2379            return;
2380        }
2381
2382        if (_.slideCount <= _.options.slidesToShow) {
2383            return;
2384        }
2385
2386        if (sync === false) {
2387            _.asNavFor(index);
2388        }
2389
2390        targetSlide = index;
2391        targetLeft = _.getLeft(targetSlide);
2392        slideLeft = _.getLeft(_.currentSlide);
2393
2394        _.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;
2395
2396        if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) {
2397            if (_.options.fade === false) {
2398                targetSlide = _.currentSlide;
2399                if (dontAnimate !== true) {
2400                    _.animateSlide(slideLeft, function() {
2401                        _.postSlide(targetSlide);
2402                    });
2403                } else {
2404                    _.postSlide(targetSlide);
2405                }
2406            }
2407            return;
2408        } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
2409            if (_.options.fade === false) {
2410                targetSlide = _.currentSlide;
2411                if (dontAnimate !== true) {
2412                    _.animateSlide(slideLeft, function() {
2413                        _.postSlide(targetSlide);
2414                    });
2415                } else {
2416                    _.postSlide(targetSlide);
2417                }
2418            }
2419            return;
2420        }
2421
2422        if ( _.options.autoplay ) {
2423            clearInterval(_.autoPlayTimer);
2424        }
2425
2426        if (targetSlide < 0) {
2427            if (_.slideCount % _.options.slidesToScroll !== 0) {
2428                animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
2429            } else {
2430                animSlide = _.slideCount + targetSlide;
2431            }
2432        } else if (targetSlide >= _.slideCount) {
2433            if (_.slideCount % _.options.slidesToScroll !== 0) {
2434                animSlide = 0;
2435            } else {
2436                animSlide = targetSlide - _.slideCount;
2437            }
2438        } else {
2439            animSlide = targetSlide;
2440        }
2441
2442        _.animating = true;
2443
2444        _.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]);
2445
2446        oldSlide = _.currentSlide;
2447        _.currentSlide = animSlide;
2448
2449        _.setSlideClasses(_.currentSlide);
2450
2451        if ( _.options.asNavFor ) {
2452
2453            navTarget = _.getNavTarget();
2454            navTarget = navTarget.slick('getSlick');
2455
2456            if ( navTarget.slideCount <= navTarget.options.slidesToShow ) {
2457                navTarget.setSlideClasses(_.currentSlide);
2458            }
2459
2460        }
2461
2462        _.updateDots();
2463        _.updateArrows();
2464
2465        if (_.options.fade === true) {
2466            if (dontAnimate !== true) {
2467
2468                _.fadeSlideOut(oldSlide);
2469
2470                _.fadeSlide(animSlide, function() {
2471                    _.postSlide(animSlide);
2472                });
2473
2474            } else {
2475                _.postSlide(animSlide);
2476            }
2477            _.animateHeight();
2478            return;
2479        }
2480
2481        if (dontAnimate !== true) {
2482            _.animateSlide(targetLeft, function() {
2483                _.postSlide(animSlide);
2484            });
2485        } else {
2486            _.postSlide(animSlide);
2487        }
2488
2489    };
2490
2491    Slick.prototype.startLoad = function() {
2492
2493        var _ = this;
2494
2495        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
2496
2497            _.$prevArrow.hide();
2498            _.$nextArrow.hide();
2499
2500        }
2501
2502        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
2503
2504            _.$dots.hide();
2505
2506        }
2507
2508        _.$slider.addClass('slick-loading');
2509
2510    };
2511
2512    Slick.prototype.swipeDirection = function() {
2513
2514        var xDist, yDist, r, swipeAngle, _ = this;
2515
2516        xDist = _.touchObject.startX - _.touchObject.curX;
2517        yDist = _.touchObject.startY - _.touchObject.curY;
2518        r = Math.atan2(yDist, xDist);
2519
2520        swipeAngle = Math.round(r * 180 / Math.PI);
2521        if (swipeAngle < 0) {
2522            swipeAngle = 360 - Math.abs(swipeAngle);
2523        }
2524
2525        if ((swipeAngle <= 45) && (swipeAngle >= 0)) {
2526            return (_.options.rtl === false ? 'left' : 'right');
2527        }
2528        if ((swipeAngle <= 360) && (swipeAngle >= 315)) {
2529            return (_.options.rtl === false ? 'left' : 'right');
2530        }
2531        if ((swipeAngle >= 135) && (swipeAngle <= 225)) {
2532            return (_.options.rtl === false ? 'right' : 'left');
2533        }
2534        if (_.options.verticalSwiping === true) {
2535            if ((swipeAngle >= 35) && (swipeAngle <= 135)) {
2536                return 'down';
2537            } else {
2538                return 'up';
2539            }
2540        }
2541
2542        return 'vertical';
2543
2544    };
2545
2546    Slick.prototype.swipeEnd = function(event) {
2547
2548        var _ = this,
2549            slideCount,
2550            direction;
2551
2552        _.dragging = false;
2553        _.interrupted = false;
2554        _.shouldClick = ( _.touchObject.swipeLength > 10 ) ? false : true;
2555
2556        if ( _.touchObject.curX === undefined ) {
2557            return false;
2558        }
2559
2560        if ( _.touchObject.edgeHit === true ) {
2561            _.$slider.trigger('edge', [_, _.swipeDirection() ]);
2562        }
2563
2564        if ( _.touchObject.swipeLength >= _.touchObject.minSwipe ) {
2565
2566            direction = _.swipeDirection();
2567
2568            switch ( direction ) {
2569
2570                case 'left':
2571                case 'down':
2572
2573                    slideCount =
2574                        _.options.swipeToSlide ?
2575                            _.checkNavigable( _.currentSlide + _.getSlideCount() ) :
2576                            _.currentSlide + _.getSlideCount();
2577
2578                    _.currentDirection = 0;
2579
2580                    break;
2581
2582                case 'right':
2583                case 'up':
2584
2585                    slideCount =
2586                        _.options.swipeToSlide ?
2587                            _.checkNavigable( _.currentSlide - _.getSlideCount() ) :
2588                            _.currentSlide - _.getSlideCount();
2589
2590                    _.currentDirection = 1;
2591
2592                    break;
2593
2594                default:
2595
2596
2597            }
2598
2599            if( direction != 'vertical' ) {
2600
2601                _.slideHandler( slideCount );
2602                _.touchObject = {};
2603                _.$slider.trigger('swipe', [_, direction ]);
2604
2605            }
2606
2607        } else {
2608
2609            if ( _.touchObject.startX !== _.touchObject.curX ) {
2610
2611                _.slideHandler( _.currentSlide );
2612                _.touchObject = {};
2613
2614            }
2615
2616        }
2617
2618    };
2619
2620    Slick.prototype.swipeHandler = function(event) {
2621
2622        var _ = this;
2623
2624        if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) {
2625            return;
2626        } else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) {
2627            return;
2628        }
2629
2630        _.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ?
2631            event.originalEvent.touches.length : 1;
2632
2633        _.touchObject.minSwipe = _.listWidth / _.options
2634            .touchThreshold;
2635
2636        if (_.options.verticalSwiping === true) {
2637            _.touchObject.minSwipe = _.listHeight / _.options
2638                .touchThreshold;
2639        }
2640
2641        switch (event.data.action) {
2642
2643            case 'start':
2644                _.swipeStart(event);
2645                break;
2646
2647            case 'move':
2648                _.swipeMove(event);
2649                break;
2650
2651            case 'end':
2652                _.swipeEnd(event);
2653                break;
2654
2655        }
2656
2657    };
2658
2659    Slick.prototype.swipeMove = function(event) {
2660
2661        var _ = this,
2662            edgeWasHit = false,
2663            curLeft, swipeDirection, swipeLength, positionOffset, touches;
2664
2665        touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;
2666
2667        if (!_.dragging || touches && touches.length !== 1) {
2668            return false;
2669        }
2670
2671        curLeft = _.getLeft(_.currentSlide);
2672
2673        _.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX;
2674        _.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY;
2675
2676        _.touchObject.swipeLength = Math.round(Math.sqrt(
2677            Math.pow(_.touchObject.curX - _.touchObject.startX, 2)));
2678
2679        if (_.options.verticalSwiping === true) {
2680            _.touchObject.swipeLength = Math.round(Math.sqrt(
2681                Math.pow(_.touchObject.curY - _.touchObject.startY, 2)));
2682        }
2683
2684        swipeDirection = _.swipeDirection();
2685
2686        if (swipeDirection === 'vertical') {
2687            return;
2688        }
2689
2690        if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) {
2691            event.preventDefault();
2692        }
2693
2694        positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1);
2695        if (_.options.verticalSwiping === true) {
2696            positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1;
2697        }
2698
2699
2700        swipeLength = _.touchObject.swipeLength;
2701
2702        _.touchObject.edgeHit = false;
2703
2704        if (_.options.infinite === false) {
2705            if ((_.currentSlide === 0 && swipeDirection === 'right') || (_.currentSlide >= _.getDotCount() && swipeDirection === 'left')) {
2706                swipeLength = _.touchObject.swipeLength * _.options.edgeFriction;
2707                _.touchObject.edgeHit = true;
2708            }
2709        }
2710
2711        if (_.options.vertical === false) {
2712            _.swipeLeft = curLeft + swipeLength * positionOffset;
2713        } else {
2714            _.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset;
2715        }
2716        if (_.options.verticalSwiping === true) {
2717            _.swipeLeft = curLeft + swipeLength * positionOffset;
2718        }
2719
2720        if (_.options.fade === true || _.options.touchMove === false) {
2721            return false;
2722        }
2723
2724        if (_.animating === true) {
2725            _.swipeLeft = null;
2726            return false;
2727        }
2728
2729        _.setCSS(_.swipeLeft);
2730
2731    };
2732
2733    Slick.prototype.swipeStart = function(event) {
2734
2735        var _ = this,
2736            touches;
2737
2738        _.interrupted = true;
2739
2740        if (_.touchObject.fingerCount !== 1 || _.slideCount <= _.options.slidesToShow) {
2741            _.touchObject = {};
2742            return false;
2743        }
2744
2745        if (event.originalEvent !== undefined && event.originalEvent.touches !== undefined) {
2746            touches = event.originalEvent.touches[0];
2747        }
2748
2749        _.touchObject.startX = _.touchObject.curX = touches !== undefined ? touches.pageX : event.clientX;
2750        _.touchObject.startY = _.touchObject.curY = touches !== undefined ? touches.pageY : event.clientY;
2751
2752        _.dragging = true;
2753
2754    };
2755
2756    Slick.prototype.unfilterSlides = Slick.prototype.slickUnfilter = function() {
2757
2758        var _ = this;
2759
2760        if (_.$slidesCache !== null) {
2761
2762            _.unload();
2763
2764            _.$slideTrack.children(this.options.slide).detach();
2765
2766            _.$slidesCache.appendTo(_.$slideTrack);
2767
2768            _.reinit();
2769
2770        }
2771
2772    };
2773
2774    Slick.prototype.unload = function() {
2775
2776        var _ = this;
2777
2778        $('.slick-cloned', _.$slider).remove();
2779
2780        if (_.$dots) {
2781            _.$dots.remove();
2782        }
2783
2784        if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) {
2785            _.$prevArrow.remove();
2786        }
2787
2788        if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) {
2789            _.$nextArrow.remove();
2790        }
2791
2792        _.$slides
2793            .removeClass('slick-slide slick-active slick-visible slick-current')
2794            .attr('aria-hidden', 'true')
2795            .css('width', '');
2796
2797    };
2798
2799    Slick.prototype.unslick = function(fromBreakpoint) {
2800
2801        var _ = this;
2802        _.$slider.trigger('unslick', [_, fromBreakpoint]);
2803        _.destroy();
2804
2805    };
2806
2807    Slick.prototype.updateArrows = function() {
2808
2809        var _ = this,
2810            centerOffset;
2811
2812        centerOffset = Math.floor(_.options.slidesToShow / 2);
2813
2814        if ( _.options.arrows === true &&
2815            _.slideCount > _.options.slidesToShow &&
2816            !_.options.infinite ) {
2817
2818            _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2819            _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2820
2821            if (_.currentSlide === 0) {
2822
2823                _.$prevArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2824                _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2825
2826            } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) {
2827
2828                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2829                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2830
2831            } else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) {
2832
2833                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2834                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2835
2836            }
2837
2838        }
2839
2840    };
2841
2842    Slick.prototype.updateDots = function() {
2843
2844        var _ = this;
2845
2846        if (_.$dots !== null) {
2847
2848            _.$dots
2849                .find('li')
2850                .removeClass('slick-active')
2851                .attr('aria-hidden', 'true');
2852
2853            _.$dots
2854                .find('li')
2855                .eq(Math.floor(_.currentSlide / _.options.slidesToScroll))
2856                .addClass('slick-active')
2857                .attr('aria-hidden', 'false');
2858
2859        }
2860
2861    };
2862
2863    Slick.prototype.visibility = function() {
2864
2865        var _ = this;
2866
2867        if ( _.options.autoplay ) {
2868
2869            if ( document[_.hidden] ) {
2870
2871                _.interrupted = true;
2872
2873            } else {
2874
2875                _.interrupted = false;
2876
2877            }
2878
2879        }
2880
2881    };
2882
2883    $.fn.slick = function() {
2884        var _ = this,
2885            opt = arguments[0],
2886            args = Array.prototype.slice.call(arguments, 1),
2887            l = _.length,
2888            i,
2889            ret;
2890        for (i = 0; i < l; i++) {
2891            if (typeof opt == 'object' || typeof opt == 'undefined')
2892                _[i].slick = new Slick(_[i], opt);
2893            else
2894                ret = _[i].slick[opt].apply(_[i].slick, args);
2895            if (typeof ret != 'undefined') return ret;
2896        }
2897        return _;
2898    };
2899
2900}));

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