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/* _ _ _ _ ___| (_) ___| | __ (_)___ / __| | |/ __| |/ / | / __| \__ \ | | (__| < _ | \__ \ |___/_|_|\___|_|\_(_)/ |___/ |__/ Version: 1.6.0 Author: Ken Wheeler Website: http://kenwheeler.github.io Docs: http://kenwheeler.github.io/slick Repo: http://github.com/kenwheeler/slick Issues: http://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" tabindex="0" role="button">Previous</button>', nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="Next" tabindex="0" role="button">Next</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(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; _.$slideTrack.find('.slick-active').attr({ 'aria-hidden': 'false' }).find('a, input, button, select').attr({ 'tabindex': '0' }); }; Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) { var _ = this; if (typeof(index) === 'boolean') { addBefore = index; index = null; } else if (index < 0 || (index >= _.slideCount)) { return false; } _.unload(); if (typeof(index) === 'number') { if (index === 0 && _.$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) { _.$slider.trigger('init', [_]); } if (_.options.accessibility === true) { _.initADA(); } if ( _.options.autoplay ) { _.paused = false; _.autoPlay(); } }; Slick.prototype.initADA = function() { var _ = this; _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({ 'aria-hidden': 'true', 'tabindex': '-1' }).find('a, input, button, select').attr({ 'tabindex': '-1' }); _.$slideTrack.attr('role', 'listbox'); _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) { $(this).attr({ 'role': 'option', 'aria-describedby': 'slick-slide' + _.instanceUid + i + '' }); }); if (_.$dots !== null) { _.$dots.attr('role', 'tablist').find('li').each(function(i) { $(this).attr({ 'role': 'presentation', 'aria-selected': 'false', 'aria-controls': 'navigation' + _.instanceUid + i + '', 'id': 'slick-slide' + _.instanceUid + i + '' }); }) .first().attr('aria-selected', 'true').end() .find('button').attr('role', 'button').end() .closest('div').attr('role', 'toolbar'); } _.activateADA(); }; Slick.prototype.initArrowEvents = function() { var _ = this; if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { _.$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); } $(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) { _.initADA(); } } }; 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); } _.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') .attr('aria-hidden', 'true'); _.$dots .find('li') .eq(Math.floor(_.currentSlide / _.options.slidesToScroll)) .addClass('slick-active') .attr('aria-hidden', 'false'); } }; 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 _; }; }));