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Slick slider acessability
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| /* | |
| _ _ _ _ | |
| ___| (_) ___| | __ (_)___ | |
| / __| | |/ __| |/ / | / __| | |
| \__ \ | | (__| < _ | \__ \ | |
| |___/_|_|\___|_|\_(_)/ |___/ | |
| |__/ | |
| Version: 1.6.0 | |
| Author: Ken Wheeler | |
| Website: https://kenwheeler.github.io | |
| Docs: https://kenwheeler.github.io/slick | |
| Repo: https://github.com/kenwheeler/slick | |
| Issues: https://github.com/kenwheeler/slick/issues | |
| */ | |
| /* global window, document, define, jQuery, setInterval, clearInterval */ | |
| (function (factory) { | |
| 'use strict'; | |
| if (typeof define === 'function' && define.amd) { | |
| define(['jquery'], factory); | |
| } else if (typeof exports !== 'undefined') { | |
| module.exports = factory(require('jquery')); | |
| } else { | |
| factory(jQuery); | |
| } | |
| }(function ($) { | |
| 'use strict'; | |
| var Slick = window.Slick || {}; | |
| Slick = (function () { | |
| var instanceUid = 0; | |
| function Slick(element, settings) { | |
| var _ = this, dataSettings; | |
| _.defaults = { | |
| accessibility: true, | |
| adaptiveHeight: false, | |
| appendArrows: $(element), | |
| appendDots: $(element), | |
| arrows: true, | |
| asNavFor: null, | |
| prevArrow: '<button type="button" data-role="none" class="slick-prev" aria-label="Previous slide" tabindex="0" role="button">Previous slide</button>', | |
| nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="Next slide" tabindex="0" role="button">Next slide</button>', | |
| autoplay: false, | |
| autoplaySpeed: 3000, | |
| centerMode: false, | |
| centerPadding: '50px', | |
| cssEase: 'ease', | |
| customPaging: function (slider, i) { | |
| return $('<button type="button" data-role="none" role="button" tabindex="0" />').text('Slide ' + (i + 1)); | |
| }, | |
| dots: false, | |
| dotsClass: 'slick-dots', | |
| draggable: true, | |
| easing: 'linear', | |
| edgeFriction: 0.35, | |
| fade: false, | |
| focusOnSelect: false, | |
| infinite: true, | |
| initialSlide: 0, | |
| lazyLoad: 'ondemand', | |
| mobileFirst: false, | |
| pauseOnHover: true, | |
| pauseOnFocus: true, | |
| pauseOnDotsHover: false, | |
| respondTo: 'window', | |
| responsive: null, | |
| rows: 1, | |
| rtl: false, | |
| slide: '', | |
| slidesPerRow: 1, | |
| slidesToShow: 1, | |
| slidesToScroll: 1, | |
| speed: 500, | |
| swipe: true, | |
| swipeToSlide: false, | |
| touchMove: true, | |
| touchThreshold: 5, | |
| useCSS: true, | |
| useTransform: true, | |
| variableWidth: false, | |
| vertical: false, | |
| verticalSwiping: false, | |
| waitForAnimate: true, | |
| zIndex: 1000 | |
| }; | |
| _.initials = { | |
| animating: false, | |
| dragging: false, | |
| autoPlayTimer: null, | |
| currentDirection: 0, | |
| currentLeft: null, | |
| currentSlide: 0, | |
| direction: 1, | |
| $dots: null, | |
| listWidth: null, | |
| listHeight: null, | |
| loadIndex: 0, | |
| $nextArrow: null, | |
| $prevArrow: null, | |
| slideCount: null, | |
| slideWidth: null, | |
| $slideTrack: null, | |
| $slides: null, | |
| sliding: false, | |
| slideOffset: 0, | |
| swipeLeft: null, | |
| $list: null, | |
| touchObject: {}, | |
| transformsEnabled: false, | |
| unslicked: false | |
| }; | |
| $.extend(_, _.initials); | |
| _.activeBreakpoint = null; | |
| _.animType = null; | |
| _.animProp = null; | |
| _.breakpoints = []; | |
| _.breakpointSettings = []; | |
| _.cssTransitions = false; | |
| _.focussed = false; | |
| _.interrupted = false; | |
| _.hidden = 'hidden'; | |
| _.paused = true; | |
| _.positionProp = null; | |
| _.respondTo = null; | |
| _.rowCount = 1; | |
| _.shouldClick = true; | |
| _.$slider = $(element); | |
| _.$slidesCache = null; | |
| _.transformType = null; | |
| _.transitionType = null; | |
| _.visibilityChange = 'visibilitychange'; | |
| _.windowWidth = 0; | |
| _.windowTimer = null; | |
| dataSettings = $(element).data('slick') || {}; | |
| _.options = $.extend({}, _.defaults, settings, dataSettings); | |
| _.currentSlide = _.options.initialSlide; | |
| _.originalSettings = _.options; | |
| if (typeof document.mozHidden !== 'undefined') { | |
| _.hidden = 'mozHidden'; | |
| _.visibilityChange = 'mozvisibilitychange'; | |
| } else if (typeof document.webkitHidden !== 'undefined') { | |
| _.hidden = 'webkitHidden'; | |
| _.visibilityChange = 'webkitvisibilitychange'; | |
| } | |
| _.autoPlay = $.proxy(_.autoPlay, _); | |
| _.autoPlayClear = $.proxy(_.autoPlayClear, _); | |
| _.autoPlayIterator = $.proxy(_.autoPlayIterator, _); | |
| _.changeSlide = $.proxy(_.changeSlide, _); | |
| _.clickHandler = $.proxy(_.clickHandler, _); | |
| _.selectHandler = $.proxy(_.selectHandler, _); | |
| _.setPosition = $.proxy(_.setPosition, _); | |
| _.swipeHandler = $.proxy(_.swipeHandler, _); | |
| _.dragHandler = $.proxy(_.dragHandler, _); | |
| _.keyHandler = $.proxy(_.keyHandler, _); | |
| _.instanceUid = instanceUid++; | |
| // A simple way to check for HTML strings | |
| // Strict HTML recognition (must start with <) | |
| // Extracted from jQuery v1.11 source | |
| _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/; | |
| _.registerBreakpoints(); | |
| _.init(true); | |
| } | |
| return Slick; | |
| }()); | |
| Slick.prototype.activateADA = function () { | |
| var _ = this; | |
| _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({ | |
| 'aria-hidden': 'true', | |
| 'tabindex': '-1' | |
| }).find('a, input, button, select, img').attr({ | |
| 'tabindex': '-1' | |
| }); | |
| $('li', _.$slideTrack).on('click.slick', { | |
| message: 'index' | |
| }, _.changeSlide); | |
| _.$slideTrack.find('.slick-active').attr({ | |
| 'aria-hidden': 'false', | |
| }).find('a, input, button, select, img').attr({ | |
| 'tabindex': '0' | |
| }); | |
| }; | |
| Slick.prototype.addSlide = Slick.prototype.slickAdd = function (markup, index, addBefore) { | |
| var _ = this; | |
| if (typeof(index) === 'boolean') { | |
| addBefore = index; | |
| index = null; | |
| } else if (index < 0 || (index >= _.slideCount)) { | |
| return false; | |
| } | |
| _.unload(); | |
| if (typeof(index) === 'number') { | |
| if (index === 0 && _.$slides.length === 0) { | |
| $(markup).appendTo(_.$slideTrack); | |
| } else if (addBefore) { | |
| $(markup).insertBefore(_.$slides.eq(index)); | |
| } else { | |
| $(markup).insertAfter(_.$slides.eq(index)); | |
| } | |
| } else { | |
| if (addBefore === true) { | |
| $(markup).prependTo(_.$slideTrack); | |
| } else { | |
| $(markup).appendTo(_.$slideTrack); | |
| } | |
| } | |
| _.$slides = _.$slideTrack.children(this.options.slide); | |
| _.$slideTrack.children(this.options.slide).detach(); | |
| _.$slideTrack.append(_.$slides); | |
| _.$slides.each(function (index, element) { | |
| $(element).attr('data-slick-index', index); | |
| }); | |
| _.$slidesCache = _.$slides; | |
| _.reinit(); | |
| }; | |
| Slick.prototype.animateHeight = function () { | |
| var _ = this; | |
| if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) { | |
| var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true); | |
| _.$list.animate({ | |
| height: targetHeight | |
| }, _.options.speed); | |
| } | |
| }; | |
| Slick.prototype.animateSlide = function (targetLeft, callback) { | |
| var animProps = {}, | |
| _ = this; | |
| _.animateHeight(); | |
| if (_.options.rtl === true && _.options.vertical === false) { | |
| targetLeft = -targetLeft; | |
| } | |
| if (_.transformsEnabled === false) { | |
| if (_.options.vertical === false) { | |
| _.$slideTrack.animate({ | |
| left: targetLeft | |
| }, _.options.speed, _.options.easing, callback); | |
| } else { | |
| _.$slideTrack.animate({ | |
| top: targetLeft | |
| }, _.options.speed, _.options.easing, callback); | |
| } | |
| } else { | |
| if (_.cssTransitions === false) { | |
| if (_.options.rtl === true) { | |
| _.currentLeft = -(_.currentLeft); | |
| } | |
| $({ | |
| animStart: _.currentLeft | |
| }).animate({ | |
| animStart: targetLeft | |
| }, { | |
| duration: _.options.speed, | |
| easing: _.options.easing, | |
| step: function (now) { | |
| now = Math.ceil(now); | |
| if (_.options.vertical === false) { | |
| animProps[_.animType] = 'translate(' + | |
| now + 'px, 0px)'; | |
| _.$slideTrack.css(animProps); | |
| } else { | |
| animProps[_.animType] = 'translate(0px,' + | |
| now + 'px)'; | |
| _.$slideTrack.css(animProps); | |
| } | |
| }, | |
| complete: function () { | |
| if (callback) { | |
| callback.call(); | |
| } | |
| } | |
| }); | |
| } else { | |
| _.applyTransition(); | |
| targetLeft = Math.ceil(targetLeft); | |
| if (_.options.vertical === false) { | |
| animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)'; | |
| } else { | |
| animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)'; | |
| } | |
| _.$slideTrack.css(animProps); | |
| if (callback) { | |
| setTimeout(function () { | |
| _.disableTransition(); | |
| callback.call(); | |
| }, _.options.speed); | |
| } | |
| } | |
| } | |
| }; | |
| Slick.prototype.getNavTarget = function () { | |
| var _ = this, | |
| asNavFor = _.options.asNavFor; | |
| if (asNavFor && asNavFor !== null) { | |
| asNavFor = $(asNavFor).not(_.$slider); | |
| } | |
| return asNavFor; | |
| }; | |
| Slick.prototype.asNavFor = function (index) { | |
| var _ = this, | |
| asNavFor = _.getNavTarget(); | |
| if (asNavFor !== null && typeof asNavFor === 'object') { | |
| asNavFor.each(function () { | |
| var target = $(this).slick('getSlick'); | |
| if (!target.unslicked) { | |
| target.slideHandler(index, true); | |
| } | |
| }); | |
| } | |
| }; | |
| Slick.prototype.applyTransition = function (slide) { | |
| var _ = this, | |
| transition = {}; | |
| if (_.options.fade === false) { | |
| transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase; | |
| } else { | |
| transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase; | |
| } | |
| if (_.options.fade === false) { | |
| _.$slideTrack.css(transition); | |
| } else { | |
| _.$slides.eq(slide).css(transition); | |
| } | |
| }; | |
| Slick.prototype.autoPlay = function () { | |
| var _ = this; | |
| _.autoPlayClear(); | |
| if (_.slideCount > _.options.slidesToShow) { | |
| _.autoPlayTimer = setInterval(_.autoPlayIterator, _.options.autoplaySpeed); | |
| } | |
| }; | |
| Slick.prototype.autoPlayClear = function () { | |
| var _ = this; | |
| if (_.autoPlayTimer) { | |
| clearInterval(_.autoPlayTimer); | |
| } | |
| }; | |
| Slick.prototype.autoPlayIterator = function () { | |
| var _ = this, | |
| slideTo = _.currentSlide + _.options.slidesToScroll; | |
| if (!_.paused && !_.interrupted && !_.focussed) { | |
| if (_.options.infinite === false) { | |
| if (_.direction === 1 && (_.currentSlide + 1) === (_.slideCount - 1)) { | |
| _.direction = 0; | |
| } | |
| else if (_.direction === 0) { | |
| slideTo = _.currentSlide - _.options.slidesToScroll; | |
| if (_.currentSlide - 1 === 0) { | |
| _.direction = 1; | |
| } | |
| } | |
| } | |
| _.slideHandler(slideTo); | |
| } | |
| }; | |
| Slick.prototype.buildArrows = function () { | |
| var _ = this; | |
| if (_.options.arrows === true) { | |
| _.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow'); | |
| _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow'); | |
| if (_.slideCount > _.options.slidesToShow) { | |
| _.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex'); | |
| _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex'); | |
| if (_.htmlExpr.test(_.options.prevArrow)) { | |
| _.$prevArrow.prependTo(_.options.appendArrows); | |
| } | |
| if (_.htmlExpr.test(_.options.nextArrow)) { | |
| _.$nextArrow.appendTo(_.options.appendArrows); | |
| } | |
| if (_.options.infinite !== true) { | |
| _.$prevArrow | |
| .addClass('slick-disabled') | |
| .attr('aria-disabled', 'true'); | |
| } | |
| } else { | |
| _.$prevArrow.add(_.$nextArrow) | |
| .addClass('slick-hidden') | |
| .attr({ | |
| 'aria-disabled': 'true', | |
| 'tabindex': '-1' | |
| }); | |
| } | |
| } | |
| }; | |
| Slick.prototype.buildDots = function () { | |
| var _ = this, | |
| i, dot; | |
| if (_.options.dots === true && _.slideCount > _.options.slidesToShow) { | |
| _.$slider.addClass('slick-dotted'); | |
| dot = $('<ul />').addClass(_.options.dotsClass); | |
| for (i = 0; i <= _.getDotCount(); i += 1) { | |
| dot.append($('<li />').append(_.options.customPaging.call(this, _, i))); | |
| } | |
| _.$dots = dot.appendTo(_.options.appendDots); | |
| _.$dots.find('li').first().addClass('slick-active').attr('aria-hidden', 'false'); | |
| } | |
| }; | |
| Slick.prototype.buildOut = function () { | |
| var _ = this; | |
| _.$slides = | |
| _.$slider | |
| .children(_.options.slide + ':not(.slick-cloned)') | |
| .addClass('slick-slide'); | |
| _.slideCount = _.$slides.length; | |
| _.$slides.each(function (index, element) { | |
| $(element) | |
| .attr('data-slick-index', index) | |
| .data('originalStyling', $(element).attr('style') || ''); | |
| }); | |
| _.$slider.addClass('slick-slider'); | |
| _.$slideTrack = (_.slideCount === 0) ? | |
| $('<div class="slick-track"/>').appendTo(_.$slider) : | |
| _.$slides.wrapAll('<div class="slick-track"/>').parent(); | |
| _.$list = _.$slideTrack.wrap( | |
| '<div aria-live="polite" class="slick-list"/>').parent(); | |
| _.$slideTrack.css('opacity', 0); | |
| if (_.options.centerMode === true || _.options.swipeToSlide === true) { | |
| _.options.slidesToScroll = 1; | |
| } | |
| $('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading'); | |
| _.setupInfinite(); | |
| _.buildArrows(); | |
| _.buildDots(); | |
| _.updateDots(); | |
| _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0); | |
| if (_.options.draggable === true) { | |
| _.$list.addClass('draggable'); | |
| } | |
| }; | |
| Slick.prototype.buildRows = function () { | |
| var _ = this, a, b, c, newSlides, numOfSlides, originalSlides, slidesPerSection; | |
| newSlides = document.createDocumentFragment(); | |
| originalSlides = _.$slider.children(); | |
| if (_.options.rows > 1) { | |
| slidesPerSection = _.options.slidesPerRow * _.options.rows; | |
| numOfSlides = Math.ceil( | |
| originalSlides.length / slidesPerSection | |
| ); | |
| for (a = 0; a < numOfSlides; a++) { | |
| var slide = document.createElement('div'); | |
| for (b = 0; b < _.options.rows; b++) { | |
| var row = document.createElement('div'); | |
| for (c = 0; c < _.options.slidesPerRow; c++) { | |
| var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c)); | |
| if (originalSlides.get(target)) { | |
| row.appendChild(originalSlides.get(target)); | |
| } | |
| } | |
| slide.appendChild(row); | |
| } | |
| newSlides.appendChild(slide); | |
| } | |
| _.$slider.empty().append(newSlides); | |
| _.$slider.children().children().children() | |
| .css({ | |
| 'width': (100 / _.options.slidesPerRow) + '%', | |
| 'display': 'inline-block' | |
| }); | |
| } | |
| }; | |
| Slick.prototype.checkResponsive = function (initial, forceUpdate) { | |
| var _ = this, | |
| breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false; | |
| var sliderWidth = _.$slider.width(); | |
| var windowWidth = window.innerWidth || $(window).width(); | |
| if (_.respondTo === 'window') { | |
| respondToWidth = windowWidth; | |
| } else if (_.respondTo === 'slider') { | |
| respondToWidth = sliderWidth; | |
| } else if (_.respondTo === 'min') { | |
| respondToWidth = Math.min(windowWidth, sliderWidth); | |
| } | |
| if (_.options.responsive && | |
| _.options.responsive.length && | |
| _.options.responsive !== null) { | |
| targetBreakpoint = null; | |
| for (breakpoint in _.breakpoints) { | |
| if (_.breakpoints.hasOwnProperty(breakpoint)) { | |
| if (_.originalSettings.mobileFirst === false) { | |
| if (respondToWidth < _.breakpoints[breakpoint]) { | |
| targetBreakpoint = _.breakpoints[breakpoint]; | |
| } | |
| } else { | |
| if (respondToWidth > _.breakpoints[breakpoint]) { | |
| targetBreakpoint = _.breakpoints[breakpoint]; | |
| } | |
| } | |
| } | |
| } | |
| if (targetBreakpoint !== null) { | |
| if (_.activeBreakpoint !== null) { | |
| if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) { | |
| _.activeBreakpoint = | |
| targetBreakpoint; | |
| if (_.breakpointSettings[targetBreakpoint] === 'unslick') { | |
| _.unslick(targetBreakpoint); | |
| } else { | |
| _.options = $.extend({}, _.originalSettings, | |
| _.breakpointSettings[ | |
| targetBreakpoint]); | |
| if (initial === true) { | |
| _.currentSlide = _.options.initialSlide; | |
| } | |
| _.refresh(initial); | |
| } | |
| triggerBreakpoint = targetBreakpoint; | |
| } | |
| } else { | |
| _.activeBreakpoint = targetBreakpoint; | |
| if (_.breakpointSettings[targetBreakpoint] === 'unslick') { | |
| _.unslick(targetBreakpoint); | |
| } else { | |
| _.options = $.extend({}, _.originalSettings, | |
| _.breakpointSettings[ | |
| targetBreakpoint]); | |
| if (initial === true) { | |
| _.currentSlide = _.options.initialSlide; | |
| } | |
| _.refresh(initial); | |
| } | |
| triggerBreakpoint = targetBreakpoint; | |
| } | |
| } else { | |
| if (_.activeBreakpoint !== null) { | |
| _.activeBreakpoint = null; | |
| _.options = _.originalSettings; | |
| if (initial === true) { | |
| _.currentSlide = _.options.initialSlide; | |
| } | |
| _.refresh(initial); | |
| triggerBreakpoint = targetBreakpoint; | |
| } | |
| } | |
| // only trigger breakpoints during an actual break. not on initialize. | |
| if (!initial && triggerBreakpoint !== false) { | |
| _.$slider.trigger('breakpoint', [_, triggerBreakpoint]); | |
| } | |
| } | |
| }; | |
| Slick.prototype.changeSlide = function (event, dontAnimate) { | |
| var _ = this, | |
| $target = $(event.currentTarget), | |
| indexOffset, slideOffset, unevenOffset; | |
| // If target is a link, prevent default action. | |
| if ($target.is('a')) { | |
| event.preventDefault(); | |
| } | |
| // If target is not the <li> element (ie: a child), find the <li>. | |
| if (!$target.is('li')) { | |
| $target = $target.closest('li'); | |
| } | |
| unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0); | |
| indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll; | |
| switch (event.data.message) { | |
| case 'previous': | |
| slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset; | |
| if (_.slideCount > _.options.slidesToShow) { | |
| _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate); | |
| } | |
| break; | |
| case 'next': | |
| slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset; | |
| if (_.slideCount > _.options.slidesToShow) { | |
| _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate); | |
| } | |
| break; | |
| case 'index': | |
| var index = event.data.index === 0 ? 0 : | |
| event.data.index || $target.index() * _.options.slidesToScroll; | |
| _.slideHandler(_.checkNavigable(index), false, dontAnimate); | |
| $target.children().trigger('focus'); | |
| break; | |
| default: | |
| return; | |
| } | |
| }; | |
| Slick.prototype.checkNavigable = function (index) { | |
| var _ = this, | |
| navigables, prevNavigable; | |
| navigables = _.getNavigableIndexes(); | |
| prevNavigable = 0; | |
| if (index > navigables[navigables.length - 1]) { | |
| index = navigables[navigables.length - 1]; | |
| } else { | |
| for (var n in navigables) { | |
| if (index < navigables[n]) { | |
| index = prevNavigable; | |
| break; | |
| } | |
| prevNavigable = navigables[n]; | |
| } | |
| } | |
| return index; | |
| }; | |
| Slick.prototype.cleanUpEvents = function () { | |
| var _ = this; | |
| if (_.options.dots && _.$dots !== null) { | |
| $('li', _.$dots) | |
| .off('click.slick', _.changeSlide) | |
| .off('mouseenter.slick', $.proxy(_.interrupt, _, true)) | |
| .off('mouseleave.slick', $.proxy(_.interrupt, _, false)); | |
| } | |
| _.$slider.off('focus.slick blur.slick'); | |
| if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { | |
| _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide); | |
| _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide); | |
| } | |
| _.$list.off('touchstart.slick mousedown.slick', _.swipeHandler); | |
| _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler); | |
| _.$list.off('touchend.slick mouseup.slick', _.swipeHandler); | |
| _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler); | |
| _.$list.off('click.slick', _.clickHandler); | |
| $(document).off(_.visibilityChange, _.visibility); | |
| _.cleanUpSlideEvents(); | |
| if (_.options.accessibility === true) { | |
| _.$list.off('keydown.slick', _.keyHandler); | |
| } | |
| if (_.options.focusOnSelect === true) { | |
| $(_.$slideTrack).children().off('click.slick', _.selectHandler); | |
| } | |
| $(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange); | |
| $(window).off('resize.slick.slick-' + _.instanceUid, _.resize); | |
| $('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault); | |
| $(window).off('load.slick.slick-' + _.instanceUid, _.setPosition); | |
| $(document).off('ready.slick.slick-' + _.instanceUid, _.setPosition); | |
| }; | |
| Slick.prototype.cleanUpSlideEvents = function () { | |
| var _ = this; | |
| _.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true)); | |
| _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false)); | |
| }; | |
| Slick.prototype.cleanUpRows = function () { | |
| var _ = this, originalSlides; | |
| if (_.options.rows > 1) { | |
| originalSlides = _.$slides.children().children(); | |
| originalSlides.removeAttr('style'); | |
| _.$slider.empty().append(originalSlides); | |
| } | |
| }; | |
| Slick.prototype.clickHandler = function (event) { | |
| var _ = this; | |
| if (_.shouldClick === false) { | |
| event.stopImmediatePropagation(); | |
| event.stopPropagation(); | |
| event.preventDefault(); | |
| } | |
| }; | |
| Slick.prototype.destroy = function (refresh) { | |
| var _ = this; | |
| _.autoPlayClear(); | |
| _.touchObject = {}; | |
| _.cleanUpEvents(); | |
| $('.slick-cloned', _.$slider).detach(); | |
| if (_.$dots) { | |
| _.$dots.remove(); | |
| } | |
| if (_.$prevArrow && _.$prevArrow.length) { | |
| _.$prevArrow | |
| .removeClass('slick-disabled slick-arrow slick-hidden') | |
| .removeAttr('aria-hidden aria-disabled tabindex') | |
| .css('display', ''); | |
| if (_.htmlExpr.test(_.options.prevArrow)) { | |
| _.$prevArrow.remove(); | |
| } | |
| } | |
| if (_.$nextArrow && _.$nextArrow.length) { | |
| _.$nextArrow | |
| .removeClass('slick-disabled slick-arrow slick-hidden') | |
| .removeAttr('aria-hidden aria-disabled tabindex') | |
| .css('display', ''); | |
| if (_.htmlExpr.test(_.options.nextArrow)) { | |
| _.$nextArrow.remove(); | |
| } | |
| } | |
| if (_.$slides) { | |
| _.$slides | |
| .removeClass('slick-slide slick-active slick-center slick-visible slick-current') | |
| .removeAttr('aria-hidden') | |
| .removeAttr('data-slick-index') | |
| .each(function () { | |
| $(this).attr('style', $(this).data('originalStyling')); | |
| }); | |
| _.$slideTrack.children(this.options.slide).detach(); | |
| _.$slideTrack.detach(); | |
| _.$list.detach(); | |
| _.$slider.append(_.$slides); | |
| } | |
| _.cleanUpRows(); | |
| _.$slider.removeClass('slick-slider'); | |
| _.$slider.removeClass('slick-initialized'); | |
| _.$slider.removeClass('slick-dotted'); | |
| _.unslicked = true; | |
| if (!refresh) { | |
| _.$slider.trigger('destroy', [_]); | |
| } | |
| }; | |
| Slick.prototype.disableTransition = function (slide) { | |
| var _ = this, | |
| transition = {}; | |
| transition[_.transitionType] = ''; | |
| if (_.options.fade === false) { | |
| _.$slideTrack.css(transition); | |
| } else { | |
| _.$slides.eq(slide).css(transition); | |
| } | |
| }; | |
| Slick.prototype.fadeSlide = function (slideIndex, callback) { | |
| var _ = this; | |
| if (_.cssTransitions === false) { | |
| _.$slides.eq(slideIndex).css({ | |
| zIndex: _.options.zIndex | |
| }); | |
| _.$slides.eq(slideIndex).animate({ | |
| opacity: 1 | |
| }, _.options.speed, _.options.easing, callback); | |
| } else { | |
| _.applyTransition(slideIndex); | |
| _.$slides.eq(slideIndex).css({ | |
| opacity: 1, | |
| zIndex: _.options.zIndex | |
| }); | |
| if (callback) { | |
| setTimeout(function () { | |
| _.disableTransition(slideIndex); | |
| callback.call(); | |
| }, _.options.speed); | |
| } | |
| } | |
| }; | |
| Slick.prototype.fadeSlideOut = function (slideIndex) { | |
| var _ = this; | |
| if (_.cssTransitions === false) { | |
| _.$slides.eq(slideIndex).animate({ | |
| opacity: 0, | |
| zIndex: _.options.zIndex - 2 | |
| }, _.options.speed, _.options.easing); | |
| } else { | |
| _.applyTransition(slideIndex); | |
| _.$slides.eq(slideIndex).css({ | |
| opacity: 0, | |
| zIndex: _.options.zIndex - 2 | |
| }); | |
| } | |
| }; | |
| Slick.prototype.filterSlides = Slick.prototype.slickFilter = function (filter) { | |
| var _ = this; | |
| if (filter !== null) { | |
| _.$slidesCache = _.$slides; | |
| _.unload(); | |
| _.$slideTrack.children(this.options.slide).detach(); | |
| _.$slidesCache.filter(filter).appendTo(_.$slideTrack); | |
| _.reinit(); | |
| } | |
| }; | |
| Slick.prototype.focusHandler = function () { | |
| var _ = this; | |
| _.$slider | |
| .off('focus.slick blur.slick') | |
| .on('focus.slick blur.slick', | |
| '*:not(.slick-arrow)', function (event) { | |
| event.stopImmediatePropagation(); | |
| var $sf = $(this); | |
| setTimeout(function () { | |
| if (_.options.pauseOnFocus) { | |
| _.focussed = $sf.is(':focus'); | |
| _.autoPlay(); | |
| } | |
| }, 0); | |
| }); | |
| }; | |
| Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function () { | |
| var _ = this; | |
| return _.currentSlide; | |
| }; | |
| Slick.prototype.getDotCount = function () { | |
| var _ = this; | |
| var breakPoint = 0; | |
| var counter = 0; | |
| var pagerQty = 0; | |
| if (_.options.infinite === true) { | |
| while (breakPoint < _.slideCount) { | |
| ++pagerQty; | |
| breakPoint = counter + _.options.slidesToScroll; | |
| counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow; | |
| } | |
| } else if (_.options.centerMode === true) { | |
| pagerQty = _.slideCount; | |
| } else if (!_.options.asNavFor) { | |
| pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll); | |
| } else { | |
| while (breakPoint < _.slideCount) { | |
| ++pagerQty; | |
| breakPoint = counter + _.options.slidesToScroll; | |
| counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow; | |
| } | |
| } | |
| return pagerQty - 1; | |
| }; | |
| Slick.prototype.getLeft = function (slideIndex) { | |
| var _ = this, | |
| targetLeft, | |
| verticalHeight, | |
| verticalOffset = 0, | |
| targetSlide; | |
| _.slideOffset = 0; | |
| verticalHeight = _.$slides.first().outerHeight(true); | |
| if (_.options.infinite === true) { | |
| if (_.slideCount > _.options.slidesToShow) { | |
| _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1; | |
| verticalOffset = (verticalHeight * _.options.slidesToShow) * -1; | |
| } | |
| if (_.slideCount % _.options.slidesToScroll !== 0) { | |
| if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) { | |
| if (slideIndex > _.slideCount) { | |
| _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1; | |
| verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1; | |
| } else { | |
| _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1; | |
| verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1; | |
| } | |
| } | |
| } | |
| } else { | |
| if (slideIndex + _.options.slidesToShow > _.slideCount) { | |
| _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth; | |
| verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight; | |
| } | |
| } | |
| if (_.slideCount <= _.options.slidesToShow) { | |
| _.slideOffset = 0; | |
| verticalOffset = 0; | |
| } | |
| if (_.options.centerMode === true && _.options.infinite === true) { | |
| _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth; | |
| } else if (_.options.centerMode === true) { | |
| _.slideOffset = 0; | |
| _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2); | |
| } | |
| if (_.options.vertical === false) { | |
| targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset; | |
| } else { | |
| targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset; | |
| } | |
| if (_.options.variableWidth === true) { | |
| if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) { | |
| targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex); | |
| } else { | |
| targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow); | |
| } | |
| if (_.options.rtl === true) { | |
| if (targetSlide[0]) { | |
| targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1; | |
| } else { | |
| targetLeft = 0; | |
| } | |
| } else { | |
| targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0; | |
| } | |
| if (_.options.centerMode === true) { | |
| if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) { | |
| targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex); | |
| } else { | |
| targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1); | |
| } | |
| if (_.options.rtl === true) { | |
| if (targetSlide[0]) { | |
| targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1; | |
| } else { | |
| targetLeft = 0; | |
| } | |
| } else { | |
| targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0; | |
| } | |
| targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2; | |
| } | |
| } | |
| return targetLeft; | |
| }; | |
| Slick.prototype.getOption = Slick.prototype.slickGetOption = function (option) { | |
| var _ = this; | |
| return _.options[option]; | |
| }; | |
| Slick.prototype.getNavigableIndexes = function () { | |
| var _ = this, | |
| breakPoint = 0, | |
| counter = 0, | |
| indexes = [], | |
| max; | |
| if (_.options.infinite === false) { | |
| max = _.slideCount; | |
| } else { | |
| breakPoint = _.options.slidesToScroll * -1; | |
| counter = _.options.slidesToScroll * -1; | |
| max = _.slideCount * 2; | |
| } | |
| while (breakPoint < max) { | |
| indexes.push(breakPoint); | |
| breakPoint = counter + _.options.slidesToScroll; | |
| counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow; | |
| } | |
| return indexes; | |
| }; | |
| Slick.prototype.getSlick = function () { | |
| return this; | |
| }; | |
| Slick.prototype.getSlideCount = function () { | |
| var _ = this, | |
| slidesTraversed, swipedSlide, centerOffset; | |
| centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0; | |
| if (_.options.swipeToSlide === true) { | |
| _.$slideTrack.find('.slick-slide').each(function (index, slide) { | |
| if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) { | |
| swipedSlide = slide; | |
| return false; | |
| } | |
| }); | |
| slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1; | |
| return slidesTraversed; | |
| } else { | |
| return _.options.slidesToScroll; | |
| } | |
| }; | |
| Slick.prototype.goTo = Slick.prototype.slickGoTo = function (slide, dontAnimate) { | |
| var _ = this; | |
| _.changeSlide({ | |
| data: { | |
| message: 'index', | |
| index: parseInt(slide) | |
| } | |
| }, dontAnimate); | |
| }; | |
| Slick.prototype.init = function (creation) { | |
| var _ = this; | |
| if (!$(_.$slider).hasClass('slick-initialized')) { | |
| $(_.$slider).addClass('slick-initialized'); | |
| _.buildRows(); | |
| _.buildOut(); | |
| _.setProps(); | |
| _.startLoad(); | |
| _.loadSlider(); | |
| _.initializeEvents(); | |
| _.updateArrows(); | |
| _.updateDots(); | |
| _.checkResponsive(true); | |
| _.focusHandler(); | |
| } | |
| if (creation) { | |
| _.$slider.trigger('init', [_]); | |
| } | |
| if (_.options.accessibility === true) { | |
| _.initADA(); | |
| } | |
| if (_.options.autoplay) { | |
| _.paused = false; | |
| _.autoPlay(); | |
| } | |
| }; | |
| Slick.prototype.initADA = function () { | |
| var _ = this; | |
| var currentIdSet; | |
| var slideId; | |
| var slideLabelledBy; | |
| _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function (i) { | |
| //$(this).attr('role', 'option'); | |
| //Evenly distribute aria-labelledby tags through available dots. | |
| var labelledBySlideId = _.options.centerMode ? i : Math.floor(i / _.options.slidesToShow); | |
| if (_.options.dots === true) { | |
| slideId = '' + _.instanceUid + labelledBySlideId; | |
| slideLabelledBy = slideId; | |
| // Prevent duplicate slide IDs by appending index | |
| if (currentIdSet === slideId) { | |
| slideId = '' + slideId + i; | |
| } | |
| $(this) | |
| .attr('id', 'slickSlide' + slideId) | |
| .attr('role', 'tabpanel') | |
| .attr('aria-labelledby', 'slickDot' + slideLabelledBy); | |
| currentIdSet = '' + _.instanceUid + labelledBySlideId; | |
| } | |
| }); | |
| if (_.$dots !== null) { | |
| _.$dots.attr('role', 'tablist').find('li').each(function (i) { | |
| $(this).attr({ | |
| 'role': 'tab', | |
| 'aria-selected': 'false', | |
| 'aria-controls': 'slickSlide' + _.instanceUid + i, | |
| 'id': 'slickDot' + _.instanceUid + i + '' | |
| }); | |
| }) | |
| .first().attr('aria-selected', 'true'); | |
| } | |
| _.activateADA(); | |
| }; | |
| Slick.prototype.updateADA = function () { | |
| var _ = this; | |
| if (_.$dots !== null) { | |
| _.$dots.find('li').attr('aria-selected', 'false'); | |
| _.$dots.find('.slick-active').attr('aria-selected', 'true'); | |
| } | |
| _.activateADA(); | |
| }; | |
| Slick.prototype.initArrowEvents = function () { | |
| var _ = this; | |
| if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { | |
| _.$prevArrow | |
| .off('click.slick') | |
| .on('click.slick', { | |
| message: 'previous' | |
| }, _.changeSlide); | |
| _.$nextArrow | |
| .off('click.slick') | |
| .on('click.slick', { | |
| message: 'next' | |
| }, _.changeSlide); | |
| } | |
| }; | |
| Slick.prototype.initDotEvents = function () { | |
| var _ = this; | |
| if (_.options.dots === true && _.slideCount > _.options.slidesToShow) { | |
| // $('li', _.$dots).on('click.slick', { | |
| // message: 'index' | |
| // }, _.changeSlide); | |
| } | |
| if (_.options.dots === true && _.options.pauseOnDotsHover === true) { | |
| $('li', _.$dots) | |
| .on('mouseenter.slick', $.proxy(_.interrupt, _, true)) | |
| .on('mouseleave.slick', $.proxy(_.interrupt, _, false)); | |
| } | |
| }; | |
| Slick.prototype.initSlideEvents = function () { | |
| var _ = this; | |
| if (_.options.pauseOnHover) { | |
| _.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true)); | |
| _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false)); | |
| } | |
| }; | |
| Slick.prototype.initializeEvents = function () { | |
| var _ = this; | |
| _.initArrowEvents(); | |
| _.initDotEvents(); | |
| _.initSlideEvents(); | |
| _.$list.on('touchstart.slick mousedown.slick', { | |
| action: 'start' | |
| }, _.swipeHandler); | |
| _.$list.on('touchmove.slick mousemove.slick', { | |
| action: 'move' | |
| }, _.swipeHandler); | |
| _.$list.on('touchend.slick mouseup.slick', { | |
| action: 'end' | |
| }, _.swipeHandler); | |
| _.$list.on('touchcancel.slick mouseleave.slick', { | |
| action: 'end' | |
| }, _.swipeHandler); | |
| _.$list.on('click.slick', _.clickHandler); | |
| $(document).on(_.visibilityChange, $.proxy(_.visibility, _)); | |
| if (_.options.accessibility === true) { | |
| _.$list.on('keydown.slick', _.keyHandler); | |
| } | |
| if (_.options.focusOnSelect === true) { | |
| $(_.$slideTrack).children().on('click.slick', _.selectHandler); | |
| //TODO: | |
| } | |
| $(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _)); | |
| $(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _)); | |
| $('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault); | |
| $(window).on('load.slick.slick-' + _.instanceUid, _.setPosition); | |
| $(document).on('ready.slick.slick-' + _.instanceUid, _.setPosition); | |
| }; | |
| Slick.prototype.initUI = function () { | |
| var _ = this; | |
| if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { | |
| _.$prevArrow.show(); | |
| _.$nextArrow.show(); | |
| } | |
| if (_.options.dots === true && _.slideCount > _.options.slidesToShow) { | |
| _.$dots.show(); | |
| } | |
| }; | |
| Slick.prototype.keyHandler = function (event) { | |
| var _ = this; | |
| //Dont slide if the cursor is inside the form fields and arrow keys are pressed | |
| if (!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) { | |
| if (event.keyCode === 37 && _.options.accessibility === true) { | |
| _.changeSlide({ | |
| data: { | |
| message: _.options.rtl === true ? 'next' : 'previous' | |
| } | |
| }); | |
| } else if (event.keyCode === 39 && _.options.accessibility === true) { | |
| _.changeSlide({ | |
| data: { | |
| message: _.options.rtl === true ? 'previous' : 'next' | |
| } | |
| }); | |
| } | |
| } | |
| }; | |
| Slick.prototype.lazyLoad = function () { | |
| var _ = this, | |
| loadRange, cloneRange, rangeStart, rangeEnd; | |
| function loadImages(imagesScope) { | |
| $('img[data-lazy]', imagesScope).each(function () { | |
| var image = $(this), | |
| imageSource = $(this).attr('data-lazy'), | |
| imageToLoad = document.createElement('img'); | |
| imageToLoad.onload = function () { | |
| image | |
| .animate({opacity: 0}, 100, function () { | |
| image | |
| .attr('src', imageSource) | |
| .animate({opacity: 1}, 200, function () { | |
| image | |
| .removeAttr('data-lazy') | |
| .removeClass('slick-loading'); | |
| }); | |
| _.$slider.trigger('lazyLoaded', [_, image, imageSource]); | |
| }); | |
| }; | |
| imageToLoad.onerror = function () { | |
| image | |
| .removeAttr('data-lazy') | |
| .removeClass('slick-loading') | |
| .addClass('slick-lazyload-error'); | |
| _.$slider.trigger('lazyLoadError', [_, image, imageSource]); | |
| }; | |
| imageToLoad.src = imageSource; | |
| }); | |
| } | |
| if (_.options.centerMode === true) { | |
| if (_.options.infinite === true) { | |
| rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1); | |
| rangeEnd = rangeStart + _.options.slidesToShow + 2; | |
| } else { | |
| rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1)); | |
| rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide; | |
| } | |
| } else { | |
| rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide; | |
| rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow); | |
| if (_.options.fade === true) { | |
| if (rangeStart > 0) rangeStart--; | |
| if (rangeEnd <= _.slideCount) rangeEnd++; | |
| } | |
| } | |
| loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd); | |
| loadImages(loadRange); | |
| if (_.slideCount <= _.options.slidesToShow) { | |
| cloneRange = _.$slider.find('.slick-slide'); | |
| loadImages(cloneRange); | |
| } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow) { | |
| cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow); | |
| loadImages(cloneRange); | |
| } else if (_.currentSlide === 0) { | |
| cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1); | |
| loadImages(cloneRange); | |
| } | |
| }; | |
| Slick.prototype.loadSlider = function () { | |
| var _ = this; | |
| _.setPosition(); | |
| _.$slideTrack.css({ | |
| opacity: 1 | |
| }); | |
| _.$slider.removeClass('slick-loading'); | |
| _.initUI(); | |
| if (_.options.lazyLoad === 'progressive') { | |
| _.progressiveLazyLoad(); | |
| } | |
| }; | |
| Slick.prototype.next = Slick.prototype.slickNext = function () { | |
| var _ = this; | |
| _.changeSlide({ | |
| data: { | |
| message: 'next' | |
| } | |
| }); | |
| }; | |
| Slick.prototype.orientationChange = function () { | |
| var _ = this; | |
| _.checkResponsive(); | |
| _.setPosition(); | |
| }; | |
| Slick.prototype.pause = Slick.prototype.slickPause = function () { | |
| var _ = this; | |
| _.autoPlayClear(); | |
| _.paused = true; | |
| }; | |
| Slick.prototype.play = Slick.prototype.slickPlay = function () { | |
| var _ = this; | |
| _.autoPlay(); | |
| _.options.autoplay = true; | |
| _.paused = false; | |
| _.focussed = false; | |
| _.interrupted = false; | |
| }; | |
| Slick.prototype.postSlide = function (index) { | |
| var _ = this; | |
| if (!_.unslicked) { | |
| _.$slider.trigger('afterChange', [_, index]); | |
| _.animating = false; | |
| _.setPosition(); | |
| _.swipeLeft = null; | |
| if (_.options.autoplay) { | |
| _.autoPlay(); | |
| } | |
| if (_.options.accessibility === true) { | |
| _.updateADA(); | |
| } | |
| } | |
| }; | |
| Slick.prototype.prev = Slick.prototype.slickPrev = function () { | |
| var _ = this; | |
| _.changeSlide({ | |
| data: { | |
| message: 'previous' | |
| } | |
| }); | |
| }; | |
| Slick.prototype.preventDefault = function (event) { | |
| event.preventDefault(); | |
| }; | |
| Slick.prototype.progressiveLazyLoad = function (tryCount) { | |
| tryCount = tryCount || 1; | |
| var _ = this, | |
| $imgsToLoad = $('img[data-lazy]', _.$slider), | |
| image, | |
| imageSource, | |
| imageToLoad; | |
| if ($imgsToLoad.length) { | |
| image = $imgsToLoad.first(); | |
| imageSource = image.attr('data-lazy'); | |
| imageToLoad = document.createElement('img'); | |
| imageToLoad.onload = function () { | |
| image | |
| .attr('src', imageSource) | |
| .removeAttr('data-lazy') | |
| .removeClass('slick-loading'); | |
| if (_.options.adaptiveHeight === true) { | |
| _.setPosition(); | |
| } | |
| _.$slider.trigger('lazyLoaded', [_, image, imageSource]); | |
| _.progressiveLazyLoad(); | |
| }; | |
| imageToLoad.onerror = function () { | |
| if (tryCount < 3) { | |
| /** | |
| * try to load the image 3 times, | |
| * leave a slight delay so we don't get | |
| * servers blocking the request. | |
| */ | |
| setTimeout(function () { | |
| _.progressiveLazyLoad(tryCount + 1); | |
| }, 500); | |
| } else { | |
| image | |
| .removeAttr('data-lazy') | |
| .removeClass('slick-loading') | |
| .addClass('slick-lazyload-error'); | |
| _.$slider.trigger('lazyLoadError', [_, image, imageSource]); | |
| _.progressiveLazyLoad(); | |
| } | |
| }; | |
| imageToLoad.src = imageSource; | |
| } else { | |
| _.$slider.trigger('allImagesLoaded', [_]); | |
| } | |
| }; | |
| Slick.prototype.refresh = function (initializing) { | |
| var _ = this, currentSlide, lastVisibleIndex; | |
| lastVisibleIndex = _.slideCount - _.options.slidesToShow; | |
| // in non-infinite sliders, we don't want to go past the | |
| // last visible index. | |
| if (!_.options.infinite && (_.currentSlide > lastVisibleIndex)) { | |
| _.currentSlide = lastVisibleIndex; | |
| } | |
| // if less slides than to show, go to start. | |
| if (_.slideCount <= _.options.slidesToShow) { | |
| _.currentSlide = 0; | |
| } | |
| currentSlide = _.currentSlide; | |
| _.destroy(true); | |
| $.extend(_, _.initials, {currentSlide: currentSlide}); | |
| _.init(); | |
| if (!initializing) { | |
| _.changeSlide({ | |
| data: { | |
| message: 'index', | |
| index: currentSlide | |
| } | |
| }, false); | |
| } | |
| }; | |
| Slick.prototype.registerBreakpoints = function () { | |
| var _ = this, breakpoint, currentBreakpoint, l, | |
| responsiveSettings = _.options.responsive || null; | |
| if ($.type(responsiveSettings) === 'array' && responsiveSettings.length) { | |
| _.respondTo = _.options.respondTo || 'window'; | |
| for (breakpoint in responsiveSettings) { | |
| l = _.breakpoints.length - 1; | |
| currentBreakpoint = responsiveSettings[breakpoint].breakpoint; | |
| if (responsiveSettings.hasOwnProperty(breakpoint)) { | |
| // loop through the breakpoints and cut out any existing | |
| // ones with the same breakpoint number, we don't want dupes. | |
| while (l >= 0) { | |
| if (_.breakpoints[l] && _.breakpoints[l] === currentBreakpoint) { | |
| _.breakpoints.splice(l, 1); | |
| } | |
| l--; | |
| } | |
| _.breakpoints.push(currentBreakpoint); | |
| _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings; | |
| } | |
| } | |
| _.breakpoints.sort(function (a, b) { | |
| return (_.options.mobileFirst) ? a - b : b - a; | |
| }); | |
| } | |
| }; | |
| Slick.prototype.reinit = function () { | |
| var _ = this; | |
| _.$slides = | |
| _.$slideTrack | |
| .children(_.options.slide) | |
| .addClass('slick-slide'); | |
| _.slideCount = _.$slides.length; | |
| if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) { | |
| _.currentSlide = _.currentSlide - _.options.slidesToScroll; | |
| } | |
| if (_.slideCount <= _.options.slidesToShow) { | |
| _.currentSlide = 0; | |
| } | |
| _.registerBreakpoints(); | |
| _.setProps(); | |
| _.setupInfinite(); | |
| _.buildArrows(); | |
| _.updateArrows(); | |
| _.initArrowEvents(); | |
| _.buildDots(); | |
| _.updateDots(); | |
| _.initDotEvents(); | |
| _.cleanUpSlideEvents(); | |
| _.initSlideEvents(); | |
| _.checkResponsive(false, true); | |
| if (_.options.focusOnSelect === true) { | |
| $(_.$slideTrack).children().on('click.slick', _.selectHandler); | |
| // TODO: Add on keyup handler | |
| } | |
| _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0); | |
| _.setPosition(); | |
| _.focusHandler(); | |
| _.paused = !_.options.autoplay; | |
| _.autoPlay(); | |
| _.$slider.trigger('reInit', [_]); | |
| }; | |
| Slick.prototype.resize = function () { | |
| var _ = this; | |
| if ($(window).width() !== _.windowWidth) { | |
| clearTimeout(_.windowDelay); | |
| _.windowDelay = window.setTimeout(function () { | |
| _.windowWidth = $(window).width(); | |
| _.checkResponsive(); | |
| if (!_.unslicked) { | |
| _.setPosition(); | |
| } | |
| }, 50); | |
| } | |
| }; | |
| Slick.prototype.removeSlide = Slick.prototype.slickRemove = function (index, removeBefore, removeAll) { | |
| var _ = this; | |
| if (typeof(index) === 'boolean') { | |
| removeBefore = index; | |
| index = removeBefore === true ? 0 : _.slideCount - 1; | |
| } else { | |
| index = removeBefore === true ? --index : index; | |
| } | |
| if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) { | |
| return false; | |
| } | |
| _.unload(); | |
| if (removeAll === true) { | |
| _.$slideTrack.children().remove(); | |
| } else { | |
| _.$slideTrack.children(this.options.slide).eq(index).remove(); | |
| } | |
| _.$slides = _.$slideTrack.children(this.options.slide); | |
| _.$slideTrack.children(this.options.slide).detach(); | |
| _.$slideTrack.append(_.$slides); | |
| _.$slidesCache = _.$slides; | |
| _.reinit(); | |
| }; | |
| Slick.prototype.setCSS = function (position) { | |
| var _ = this, | |
| positionProps = {}, | |
| x, y; | |
| if (_.options.rtl === true) { | |
| position = -position; | |
| } | |
| x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px'; | |
| y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px'; | |
| positionProps[_.positionProp] = position; | |
| if (_.transformsEnabled === false) { | |
| _.$slideTrack.css(positionProps); | |
| } else { | |
| positionProps = {}; | |
| if (_.cssTransitions === false) { | |
| positionProps[_.animType] = 'translate(' + x + ', ' + y + ')'; | |
| _.$slideTrack.css(positionProps); | |
| } else { | |
| positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)'; | |
| _.$slideTrack.css(positionProps); | |
| } | |
| } | |
| }; | |
| Slick.prototype.setDimensions = function () { | |
| var _ = this; | |
| if (_.options.vertical === false) { | |
| if (_.options.centerMode === true) { | |
| _.$list.css({ | |
| padding: ('0px ' + _.options.centerPadding) | |
| }); | |
| } | |
| } else { | |
| _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow); | |
| if (_.options.centerMode === true) { | |
| _.$list.css({ | |
| padding: (_.options.centerPadding + ' 0px') | |
| }); | |
| } | |
| } | |
| _.listWidth = _.$list.width(); | |
| _.listHeight = _.$list.height(); | |
| if (_.options.vertical === false && _.options.variableWidth === false) { | |
| _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow); | |
| _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length))); | |
| } else if (_.options.variableWidth === true) { | |
| _.$slideTrack.width(5000 * _.slideCount); | |
| } else { | |
| _.slideWidth = Math.ceil(_.listWidth); | |
| _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length))); | |
| } | |
| var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width(); | |
| if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset); | |
| }; | |
| Slick.prototype.setFade = function () { | |
| var _ = this, | |
| targetLeft; | |
| _.$slides.each(function (index, element) { | |
| targetLeft = (_.slideWidth * index) * -1; | |
| if (_.options.rtl === true) { | |
| $(element).css({ | |
| position: 'relative', | |
| right: targetLeft, | |
| top: 0, | |
| zIndex: _.options.zIndex - 2, | |
| opacity: 0 | |
| }); | |
| } else { | |
| $(element).css({ | |
| position: 'relative', | |
| left: targetLeft, | |
| top: 0, | |
| zIndex: _.options.zIndex - 2, | |
| opacity: 0 | |
| }); | |
| } | |
| }); | |
| _.$slides.eq(_.currentSlide).css({ | |
| zIndex: _.options.zIndex - 1, | |
| opacity: 1 | |
| }); | |
| }; | |
| Slick.prototype.setHeight = function () { | |
| var _ = this; | |
| if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) { | |
| var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true); | |
| _.$list.css('height', targetHeight); | |
| } | |
| }; | |
| Slick.prototype.setOption = | |
| Slick.prototype.slickSetOption = function () { | |
| /** | |
| * accepts arguments in format of: | |
| * | |
| * - for changing a single option's value: | |
| * .slick("setOption", option, value, refresh ) | |
| * | |
| * - for changing a set of responsive options: | |
| * .slick("setOption", 'responsive', [{}, ...], refresh ) | |
| * | |
| * - for updating multiple values at once (not responsive) | |
| * .slick("setOption", { 'option': value, ... }, refresh ) | |
| */ | |
| var _ = this, l, item, option, value, refresh = false, type; | |
| if ($.type(arguments[0]) === 'object') { | |
| option = arguments[0]; | |
| refresh = arguments[1]; | |
| type = 'multiple'; | |
| } else if ($.type(arguments[0]) === 'string') { | |
| option = arguments[0]; | |
| value = arguments[1]; | |
| refresh = arguments[2]; | |
| if (arguments[0] === 'responsive' && $.type(arguments[1]) === 'array') { | |
| type = 'responsive'; | |
| } else if (typeof arguments[1] !== 'undefined') { | |
| type = 'single'; | |
| } | |
| } | |
| if (type === 'single') { | |
| _.options[option] = value; | |
| } else if (type === 'multiple') { | |
| $.each(option, function (opt, val) { | |
| _.options[opt] = val; | |
| }); | |
| } else if (type === 'responsive') { | |
| for (item in value) { | |
| if ($.type(_.options.responsive) !== 'array') { | |
| _.options.responsive = [value[item]]; | |
| } else { | |
| l = _.options.responsive.length - 1; | |
| // loop through the responsive object and splice out duplicates. | |
| while (l >= 0) { | |
| if (_.options.responsive[l].breakpoint === value[item].breakpoint) { | |
| _.options.responsive.splice(l, 1); | |
| } | |
| l--; | |
| } | |
| _.options.responsive.push(value[item]); | |
| } | |
| } | |
| } | |
| if (refresh) { | |
| _.unload(); | |
| _.reinit(); | |
| } | |
| }; | |
| Slick.prototype.setPosition = function () { | |
| var _ = this; | |
| _.setDimensions(); | |
| _.setHeight(); | |
| if (_.options.fade === false) { | |
| _.setCSS(_.getLeft(_.currentSlide)); | |
| } else { | |
| _.setFade(); | |
| } | |
| _.$slider.trigger('setPosition', [_]); | |
| }; | |
| Slick.prototype.setProps = function () { | |
| var _ = this, | |
| bodyStyle = document.body.style; | |
| _.positionProp = _.options.vertical === true ? 'top' : 'left'; | |
| if (_.positionProp === 'top') { | |
| _.$slider.addClass('slick-vertical'); | |
| } else { | |
| _.$slider.removeClass('slick-vertical'); | |
| } | |
| if (bodyStyle.WebkitTransition !== undefined || | |
| bodyStyle.MozTransition !== undefined || | |
| bodyStyle.msTransition !== undefined) { | |
| if (_.options.useCSS === true) { | |
| _.cssTransitions = true; | |
| } | |
| } | |
| if (_.options.fade) { | |
| if (typeof _.options.zIndex === 'number') { | |
| if (_.options.zIndex < 3) { | |
| _.options.zIndex = 3; | |
| } | |
| } else { | |
| _.options.zIndex = _.defaults.zIndex; | |
| } | |
| } | |
| if (bodyStyle.OTransform !== undefined) { | |
| _.animType = 'OTransform'; | |
| _.transformType = '-o-transform'; | |
| _.transitionType = 'OTransition'; | |
| if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false; | |
| } | |
| if (bodyStyle.MozTransform !== undefined) { | |
| _.animType = 'MozTransform'; | |
| _.transformType = '-moz-transform'; | |
| _.transitionType = 'MozTransition'; | |
| if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false; | |
| } | |
| if (bodyStyle.webkitTransform !== undefined) { | |
| _.animType = 'webkitTransform'; | |
| _.transformType = '-webkit-transform'; | |
| _.transitionType = 'webkitTransition'; | |
| if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false; | |
| } | |
| if (bodyStyle.msTransform !== undefined) { | |
| _.animType = 'msTransform'; | |
| _.transformType = '-ms-transform'; | |
| _.transitionType = 'msTransition'; | |
| if (bodyStyle.msTransform === undefined) _.animType = false; | |
| } | |
| if (bodyStyle.transform !== undefined && _.animType !== false) { | |
| _.animType = 'transform'; | |
| _.transformType = 'transform'; | |
| _.transitionType = 'transition'; | |
| } | |
| _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false); | |
| }; | |
| Slick.prototype.setSlideClasses = function (index) { | |
| var _ = this, | |
| centerOffset, allSlides, indexOffset, remainder; | |
| allSlides = _.$slider | |
| .find('.slick-slide') | |
| .removeClass('slick-active slick-center slick-current') | |
| .attr('aria-hidden', 'true'); | |
| _.$slides | |
| .eq(index) | |
| .addClass('slick-current'); | |
| if (_.options.centerMode === true) { | |
| centerOffset = Math.floor(_.options.slidesToShow / 2); | |
| // if (_.options.infinite === true) { | |
| if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) { | |
| _.$slides | |
| .slice(index - centerOffset, index + centerOffset + 1) | |
| .addClass('slick-active') | |
| .attr('aria-hidden', 'false'); | |
| } else { | |
| indexOffset = _.options.slidesToShow + index; | |
| allSlides | |
| .slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2) | |
| .addClass('slick-active') | |
| .attr('aria-hidden', 'false'); | |
| } | |
| if (index === 0) { | |
| allSlides | |
| .eq(allSlides.length - 1 - _.options.slidesToShow) | |
| .addClass('slick-center'); | |
| } else if (index === _.slideCount - 1) { | |
| allSlides | |
| .eq(_.options.slidesToShow) | |
| .addClass('slick-center'); | |
| } | |
| // } | |
| _.$slides | |
| .eq(index) | |
| .addClass('slick-center'); | |
| } else { | |
| if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) { | |
| _.$slides | |
| .slice(index, index + _.options.slidesToShow) | |
| .addClass('slick-active') | |
| .attr('aria-hidden', 'false'); | |
| } else if (allSlides.length <= _.options.slidesToShow) { | |
| allSlides | |
| .addClass('slick-active') | |
| .attr('aria-hidden', 'false'); | |
| } else { | |
| remainder = _.slideCount % _.options.slidesToShow; | |
| indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index; | |
| if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) { | |
| allSlides | |
| .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder) | |
| .addClass('slick-active') | |
| .attr('aria-hidden', 'false'); | |
| } else { | |
| allSlides | |
| .slice(indexOffset, indexOffset + _.options.slidesToShow) | |
| .addClass('slick-active') | |
| .attr('aria-hidden', 'false'); | |
| } | |
| } | |
| } | |
| if (_.options.lazyLoad === 'ondemand') { | |
| _.lazyLoad(); | |
| } | |
| }; | |
| Slick.prototype.setupInfinite = function () { | |
| var _ = this, | |
| i, slideIndex, infiniteCount; | |
| if (_.options.fade === true) { | |
| _.options.centerMode = false; | |
| } | |
| if (_.options.infinite === true && _.options.fade === false) { | |
| slideIndex = null; | |
| if (_.slideCount > _.options.slidesToShow) { | |
| if (_.options.centerMode === true) { | |
| infiniteCount = _.options.slidesToShow + 1; | |
| } else { | |
| infiniteCount = _.options.slidesToShow; | |
| } | |
| for (i = _.slideCount; i > (_.slideCount - | |
| infiniteCount); i -= 1) { | |
| slideIndex = i - 1; | |
| $(_.$slides[slideIndex]).clone(true).attr('id', '') | |
| .attr('data-slick-index', slideIndex - _.slideCount) | |
| .prependTo(_.$slideTrack).addClass('slick-cloned'); | |
| } | |
| for (i = 0; i < infiniteCount; i += 1) { | |
| slideIndex = i; | |
| $(_.$slides[slideIndex]).clone(true).attr('id', '') | |
| .attr('data-slick-index', slideIndex + _.slideCount) | |
| .appendTo(_.$slideTrack).addClass('slick-cloned'); | |
| } | |
| _.$slideTrack.find('.slick-cloned').find('[id]').each(function () { | |
| $(this).attr('id', ''); | |
| }); | |
| } | |
| } | |
| }; | |
| Slick.prototype.interrupt = function (toggle) { | |
| var _ = this; | |
| if (!toggle) { | |
| _.autoPlay(); | |
| } | |
| _.interrupted = toggle; | |
| }; | |
| Slick.prototype.selectHandler = function (event) { | |
| var _ = this; | |
| var targetElement = | |
| $(event.target).is('.slick-slide') ? | |
| $(event.target) : | |
| $(event.target).parents('.slick-slide'); | |
| var index = parseInt(targetElement.attr('data-slick-index')); | |
| if (!index) index = 0; | |
| if (_.slideCount <= _.options.slidesToShow) { | |
| _.setSlideClasses(index); | |
| _.asNavFor(index); | |
| return; | |
| } | |
| _.slideHandler(index); | |
| }; | |
| Slick.prototype.slideHandler = function (index, sync, dontAnimate) { | |
| var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null, | |
| _ = this, navTarget; | |
| sync = sync || false; | |
| if (_.animating === true && _.options.waitForAnimate === true) { | |
| return; | |
| } | |
| if (_.options.fade === true && _.currentSlide === index) { | |
| return; | |
| } | |
| if (_.slideCount <= _.options.slidesToShow) { | |
| return; | |
| } | |
| if (sync === false) { | |
| _.asNavFor(index); | |
| } | |
| targetSlide = index; | |
| targetLeft = _.getLeft(targetSlide); | |
| slideLeft = _.getLeft(_.currentSlide); | |
| _.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft; | |
| if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) { | |
| if (_.options.fade === false) { | |
| targetSlide = _.currentSlide; | |
| if (dontAnimate !== true) { | |
| _.animateSlide(slideLeft, function () { | |
| _.postSlide(targetSlide); | |
| }); | |
| } else { | |
| _.postSlide(targetSlide); | |
| } | |
| } | |
| return; | |
| } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) { | |
| if (_.options.fade === false) { | |
| targetSlide = _.currentSlide; | |
| if (dontAnimate !== true) { | |
| _.animateSlide(slideLeft, function () { | |
| _.postSlide(targetSlide); | |
| }); | |
| } else { | |
| _.postSlide(targetSlide); | |
| } | |
| } | |
| return; | |
| } | |
| if (_.options.autoplay) { | |
| clearInterval(_.autoPlayTimer); | |
| } | |
| if (targetSlide < 0) { | |
| if (_.slideCount % _.options.slidesToScroll !== 0) { | |
| animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll); | |
| } else { | |
| animSlide = _.slideCount + targetSlide; | |
| } | |
| } else if (targetSlide >= _.slideCount) { | |
| if (_.slideCount % _.options.slidesToScroll !== 0) { | |
| animSlide = 0; | |
| } else { | |
| animSlide = targetSlide - _.slideCount; | |
| } | |
| } else { | |
| animSlide = targetSlide; | |
| } | |
| _.animating = true; | |
| _.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]); | |
| oldSlide = _.currentSlide; | |
| _.currentSlide = animSlide; | |
| _.setSlideClasses(_.currentSlide); | |
| if (_.options.asNavFor) { | |
| navTarget = _.getNavTarget(); | |
| navTarget = navTarget.slick('getSlick'); | |
| if (navTarget.slideCount <= navTarget.options.slidesToShow) { | |
| navTarget.setSlideClasses(_.currentSlide); | |
| } | |
| } | |
| _.updateDots(); | |
| _.updateArrows(); | |
| if (_.options.fade === true) { | |
| if (dontAnimate !== true) { | |
| _.fadeSlideOut(oldSlide); | |
| _.fadeSlide(animSlide, function () { | |
| _.postSlide(animSlide); | |
| }); | |
| } else { | |
| _.postSlide(animSlide); | |
| } | |
| _.animateHeight(); | |
| return; | |
| } | |
| if (dontAnimate !== true) { | |
| _.animateSlide(targetLeft, function () { | |
| _.postSlide(animSlide); | |
| }); | |
| } else { | |
| _.postSlide(animSlide); | |
| } | |
| }; | |
| Slick.prototype.startLoad = function () { | |
| var _ = this; | |
| if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { | |
| _.$prevArrow.hide(); | |
| _.$nextArrow.hide(); | |
| } | |
| if (_.options.dots === true && _.slideCount > _.options.slidesToShow) { | |
| _.$dots.hide(); | |
| } | |
| _.$slider.addClass('slick-loading'); | |
| }; | |
| Slick.prototype.swipeDirection = function () { | |
| var xDist, yDist, r, swipeAngle, _ = this; | |
| xDist = _.touchObject.startX - _.touchObject.curX; | |
| yDist = _.touchObject.startY - _.touchObject.curY; | |
| r = Math.atan2(yDist, xDist); | |
| swipeAngle = Math.round(r * 180 / Math.PI); | |
| if (swipeAngle < 0) { | |
| swipeAngle = 360 - Math.abs(swipeAngle); | |
| } | |
| if ((swipeAngle <= 45) && (swipeAngle >= 0)) { | |
| return (_.options.rtl === false ? 'left' : 'right'); | |
| } | |
| if ((swipeAngle <= 360) && (swipeAngle >= 315)) { | |
| return (_.options.rtl === false ? 'left' : 'right'); | |
| } | |
| if ((swipeAngle >= 135) && (swipeAngle <= 225)) { | |
| return (_.options.rtl === false ? 'right' : 'left'); | |
| } | |
| if (_.options.verticalSwiping === true) { | |
| if ((swipeAngle >= 35) && (swipeAngle <= 135)) { | |
| return 'down'; | |
| } else { | |
| return 'up'; | |
| } | |
| } | |
| return 'vertical'; | |
| }; | |
| Slick.prototype.swipeEnd = function (event) { | |
| var _ = this, | |
| slideCount, | |
| direction; | |
| _.dragging = false; | |
| _.interrupted = false; | |
| _.shouldClick = (_.touchObject.swipeLength > 10) ? false : true; | |
| if (_.touchObject.curX === undefined) { | |
| return false; | |
| } | |
| if (_.touchObject.edgeHit === true) { | |
| _.$slider.trigger('edge', [_, _.swipeDirection()]); | |
| } | |
| if (_.touchObject.swipeLength >= _.touchObject.minSwipe) { | |
| direction = _.swipeDirection(); | |
| switch (direction) { | |
| case 'left': | |
| case 'down': | |
| slideCount = | |
| _.options.swipeToSlide ? | |
| _.checkNavigable(_.currentSlide + _.getSlideCount()) : | |
| _.currentSlide + _.getSlideCount(); | |
| _.currentDirection = 0; | |
| break; | |
| case 'right': | |
| case 'up': | |
| slideCount = | |
| _.options.swipeToSlide ? | |
| _.checkNavigable(_.currentSlide - _.getSlideCount()) : | |
| _.currentSlide - _.getSlideCount(); | |
| _.currentDirection = 1; | |
| break; | |
| default: | |
| } | |
| if (direction != 'vertical') { | |
| _.slideHandler(slideCount); | |
| _.touchObject = {}; | |
| _.$slider.trigger('swipe', [_, direction]); | |
| } | |
| } else { | |
| if (_.touchObject.startX !== _.touchObject.curX) { | |
| _.slideHandler(_.currentSlide); | |
| _.touchObject = {}; | |
| } | |
| } | |
| }; | |
| Slick.prototype.swipeHandler = function (event) { | |
| var _ = this; | |
| if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) { | |
| return; | |
| } else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) { | |
| return; | |
| } | |
| _.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ? | |
| event.originalEvent.touches.length : 1; | |
| _.touchObject.minSwipe = _.listWidth / _.options | |
| .touchThreshold; | |
| if (_.options.verticalSwiping === true) { | |
| _.touchObject.minSwipe = _.listHeight / _.options | |
| .touchThreshold; | |
| } | |
| switch (event.data.action) { | |
| case 'start': | |
| _.swipeStart(event); | |
| break; | |
| case 'move': | |
| _.swipeMove(event); | |
| break; | |
| case 'end': | |
| _.swipeEnd(event); | |
| break; | |
| } | |
| }; | |
| Slick.prototype.swipeMove = function (event) { | |
| var _ = this, | |
| edgeWasHit = false, | |
| curLeft, swipeDirection, swipeLength, positionOffset, touches; | |
| touches = event.originalEvent !== undefined ? event.originalEvent.touches : null; | |
| if (!_.dragging || touches && touches.length !== 1) { | |
| return false; | |
| } | |
| curLeft = _.getLeft(_.currentSlide); | |
| _.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX; | |
| _.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY; | |
| _.touchObject.swipeLength = Math.round(Math.sqrt( | |
| Math.pow(_.touchObject.curX - _.touchObject.startX, 2))); | |
| if (_.options.verticalSwiping === true) { | |
| _.touchObject.swipeLength = Math.round(Math.sqrt( | |
| Math.pow(_.touchObject.curY - _.touchObject.startY, 2))); | |
| } | |
| swipeDirection = _.swipeDirection(); | |
| if (swipeDirection === 'vertical') { | |
| return; | |
| } | |
| if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) { | |
| event.preventDefault(); | |
| } | |
| positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1); | |
| if (_.options.verticalSwiping === true) { | |
| positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1; | |
| } | |
| swipeLength = _.touchObject.swipeLength; | |
| _.touchObject.edgeHit = false; | |
| if (_.options.infinite === false) { | |
| if ((_.currentSlide === 0 && swipeDirection === 'right') || (_.currentSlide >= _.getDotCount() && swipeDirection === 'left')) { | |
| swipeLength = _.touchObject.swipeLength * _.options.edgeFriction; | |
| _.touchObject.edgeHit = true; | |
| } | |
| } | |
| if (_.options.vertical === false) { | |
| _.swipeLeft = curLeft + swipeLength * positionOffset; | |
| } else { | |
| _.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset; | |
| } | |
| if (_.options.verticalSwiping === true) { | |
| _.swipeLeft = curLeft + swipeLength * positionOffset; | |
| } | |
| if (_.options.fade === true || _.options.touchMove === false) { | |
| return false; | |
| } | |
| if (_.animating === true) { | |
| _.swipeLeft = null; | |
| return false; | |
| } | |
| _.setCSS(_.swipeLeft); | |
| }; | |
| Slick.prototype.swipeStart = function (event) { | |
| var _ = this, | |
| touches; | |
| _.interrupted = true; | |
| if (_.touchObject.fingerCount !== 1 || _.slideCount <= _.options.slidesToShow) { | |
| _.touchObject = {}; | |
| return false; | |
| } | |
| if (event.originalEvent !== undefined && event.originalEvent.touches !== undefined) { | |
| touches = event.originalEvent.touches[0]; | |
| } | |
| _.touchObject.startX = _.touchObject.curX = touches !== undefined ? touches.pageX : event.clientX; | |
| _.touchObject.startY = _.touchObject.curY = touches !== undefined ? touches.pageY : event.clientY; | |
| _.dragging = true; | |
| }; | |
| Slick.prototype.unfilterSlides = Slick.prototype.slickUnfilter = function () { | |
| var _ = this; | |
| if (_.$slidesCache !== null) { | |
| _.unload(); | |
| _.$slideTrack.children(this.options.slide).detach(); | |
| _.$slidesCache.appendTo(_.$slideTrack); | |
| _.reinit(); | |
| } | |
| }; | |
| Slick.prototype.unload = function () { | |
| var _ = this; | |
| $('.slick-cloned', _.$slider).remove(); | |
| if (_.$dots) { | |
| _.$dots.remove(); | |
| } | |
| if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) { | |
| _.$prevArrow.remove(); | |
| } | |
| if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) { | |
| _.$nextArrow.remove(); | |
| } | |
| _.$slides | |
| .removeClass('slick-slide slick-active slick-visible slick-current') | |
| .attr('aria-hidden', 'true') | |
| .css('width', ''); | |
| }; | |
| Slick.prototype.unslick = function (fromBreakpoint) { | |
| var _ = this; | |
| _.$slider.trigger('unslick', [_, fromBreakpoint]); | |
| _.destroy(); | |
| }; | |
| Slick.prototype.updateArrows = function () { | |
| var _ = this, | |
| centerOffset; | |
| centerOffset = Math.floor(_.options.slidesToShow / 2); | |
| if (_.options.arrows === true && | |
| _.slideCount > _.options.slidesToShow && | |
| !_.options.infinite) { | |
| _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); | |
| _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); | |
| if (_.currentSlide === 0) { | |
| _.$prevArrow.addClass('slick-disabled').attr('aria-disabled', 'true'); | |
| _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); | |
| } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) { | |
| _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true'); | |
| _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); | |
| } else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) { | |
| _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true'); | |
| _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false'); | |
| } | |
| } | |
| }; | |
| Slick.prototype.updateDots = function () { | |
| var _ = this; | |
| if (_.$dots !== null) { | |
| _.$dots | |
| .find('li') | |
| .removeClass('slick-active'); | |
| _.$dots | |
| .find('li') | |
| .eq(Math.floor(_.currentSlide / _.options.slidesToScroll)) | |
| .addClass('slick-active'); | |
| } | |
| }; | |
| Slick.prototype.visibility = function () { | |
| var _ = this; | |
| if (_.options.autoplay) { | |
| if (document[_.hidden]) { | |
| _.interrupted = true; | |
| } else { | |
| _.interrupted = false; | |
| } | |
| } | |
| }; | |
| $.fn.slick = function () { | |
| var _ = this, | |
| opt = arguments[0], | |
| args = Array.prototype.slice.call(arguments, 1), | |
| l = _.length, | |
| i, | |
| ret; | |
| for (i = 0; i < l; i++) { | |
| if (typeof opt == 'object' || typeof opt == 'undefined') | |
| _[i].slick = new Slick(_[i], opt); | |
| else | |
| ret = _[i].slick[opt].apply(_[i].slick, args); | |
| if (typeof ret != 'undefined') return ret; | |
| } | |
| return _; | |
| }; | |
| })); |
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