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/* Copyright 2013-2016 Ken Wheeler * Version 1.7.1 * License MIT (https://opensource.org/licenses/MIT) */
/* _ _ _ _ ___| (_) ___| | __ (_)___/ __| | |/ __| |/ / | / __|\__ \ | | (__| < _ | \__ \|___/_|_|\___|_|\_(_)/ |___/ |__/
Version: 1.7.1 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 class="slick-prev" aria-label="Previous" type="button">Previous</button>', nextArrow: '<button class="slick-next" aria-label="Next" type="button">Next</button>', autoplay: false, autoplaySpeed: 3000, centerMode: false, centerPadding: '50px', cssEase: 'ease', customPaging: function(slider, i) { return $('<button type="button" />').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, scrolling: false, slideCount: null, slideWidth: null, $slideTrack: null, $slides: null, sliding: false, slideOffset: 0, swipeLeft: null, swiping: false, $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) {
_.$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');
}
};
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 = _.$slideTrack.wrap( '<div class="slick-list"/>').parent(); _.$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', $.proxy(_.interrupt, _, false));
if (_.options.accessibility === true) { _.$dots.off('keydown.slick', _.keyHandler); } }
_.$slider.off('focus.slick blur.slick');
if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) { _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide); _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);
if (_.options.accessibility === true) { _.$prevArrow.off('keydown.slick', _.keyHandler); _.$nextArrow.off('keydown.slick', _.keyHandler); } }
_.$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);
$(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);
};
Slick.prototype.cleanUpSlideEvents = function() {
var _ = this;
_.$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', '*', function(event) {
event.stopImmediatePropagation(); var $sf = $(this);
setTimeout(function() {
if( _.options.pauseOnFocus ) { _.focussed = $sf.is(':focus'); _.autoPlay(); }
}, 0);
}); };
Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {
var _ = this; return _.currentSlide;
};
Slick.prototype.getDotCount = function() {
var _ = this;
var breakPoint = 0; var counter = 0; var pagerQty = 0;
if (_.options.infinite === true) { if (_.slideCount <= _.options.slidesToShow) { ++pagerQty; } else { while (breakPoint < _.slideCount) { ++pagerQty; breakPoint = counter + _.options.slidesToScroll; counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow; } } } else if (_.options.centerMode === true) { pagerQty = _.slideCount; } else if(!_.options.asNavFor) { pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll); }else { while (breakPoint < _.slideCount) { ++pagerQty; breakPoint = counter + _.options.slidesToScroll; counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow; } }
return pagerQty - 1;
};
Slick.prototype.getLeft = function(slideIndex) {
var _ = this, targetLeft, verticalHeight, verticalOffset = 0, targetSlide;
_.slideOffset = 0; verticalHeight = _.$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 && _.slideCount <= _.options.slidesToShow) { _.slideOffset = ((_.slideWidth * Math.floor(_.options.slidesToShow)) / 2) - ((_.slideWidth * _.slideCount) / 2); } else 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) { _.$slider.trigger('init', [_]); }
if (_.options.accessibility === true) { _.initADA(); }
if ( _.options.autoplay ) {
_.paused = false; _.autoPlay();
}
};
Slick.prototype.initADA = function() { var _ = this, numDotGroups = Math.ceil(_.slideCount / _.options.slidesToShow), tabControlIndexes = _.getNavigableIndexes().filter(function(val) { return (val >= 0) && (val < _.slideCount); });
_.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({ 'aria-hidden': 'true', 'tabindex': '-1' }).find('a, input, button, select').attr({ 'tabindex': '-1' });
if (_.$dots !== null) { _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) { var slideControlIndex = tabControlIndexes.indexOf(i);
$(this).attr({ 'role': 'tabpanel', 'id': 'slick-slide' + _.instanceUid + i, 'tabindex': -1 });
if (slideControlIndex !== -1) { $(this).attr({ 'aria-describedby': 'slick-slide-control' + _.instanceUid + slideControlIndex }); } });
_.$dots.attr('role', 'tablist').find('li').each(function(i) { var mappedSlideIndex = tabControlIndexes[i]; $(this).attr({ 'role': 'presentation' });
$(this).find('button').first().attr({ 'role': 'tab', 'id': 'slick-slide-control' + _.instanceUid + i, 'aria-controls': 'slick-slide' + _.instanceUid + mappedSlideIndex, 'aria-label': (i + 1) + ' of ' + numDotGroups, 'aria-selected': null, 'tabindex': '-1' });
}).eq(_.currentSlide).find('button').attr({ 'aria-selected': 'true', 'tabindex': '0' }).end(); }
for (var i=_.currentSlide, max=i+_.options.slidesToShow; i < max; i++) { _.$slides.eq(i).attr('tabindex', 0); }
_.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);
if (_.options.accessibility === true) { _.$prevArrow.on('keydown.slick', _.keyHandler); _.$nextArrow.on('keydown.slick', _.keyHandler); } }
};
Slick.prototype.initDotEvents = function() {
var _ = this;
if (_.options.dots === true) { $('li', _.$dots).on('click.slick', { message: 'index' }, _.changeSlide);
if (_.options.accessibility === true) { _.$dots.on('keydown.slick', _.keyHandler); } }
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); $(_.setPosition);
};
Slick.prototype.initUI = function() {
var _ = this;
if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
_.$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'), imageSrcSet = $(this).attr('data-srcset'), imageSizes = $(this).attr('data-sizes') || _.$slider.attr('data-sizes'), imageToLoad = document.createElement('img');
imageToLoad.onload = function() {
image .animate({ opacity: 0 }, 100, function() {
if (imageSrcSet) { image .attr('srcset', imageSrcSet );
if (imageSizes) { image .attr('sizes', imageSizes ); } }
image .attr('src', imageSource) .animate({ opacity: 1 }, 200, function() { image .removeAttr('data-lazy data-srcset data-sizes') .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);
if (_.options.lazyLoad === 'anticipated') { var prevSlide = rangeStart - 1, nextSlide = rangeEnd, $slides = _.$slider.find('.slick-slide');
for (var i = 0; i < _.options.slidesToScroll; i++) { if (prevSlide < 0) prevSlide = _.slideCount - 1; loadRange = loadRange.add($slides.eq(prevSlide)); loadRange = loadRange.add($slides.eq(nextSlide)); prevSlide--; nextSlide++; } }
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;
if (_.slideCount > _.options.slidesToShow) { _.setPosition(); }
_.swipeLeft = null;
if ( _.options.autoplay ) { _.autoPlay(); }
if (_.options.accessibility === true) { _.initADA(); // for non-autoplay: once active slide (group) has updated, set focus on first newly showing slide
if (!_.options.autoplay) { var $currentSlide = $(_.$slides.get(_.currentSlide)); $currentSlide.attr('tabindex', 0).focus(); } }
}
};
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, imageSrcSet, imageSizes, imageToLoad;
if ( $imgsToLoad.length ) {
image = $imgsToLoad.first(); imageSource = image.attr('data-lazy'); imageSrcSet = image.attr('data-srcset'); imageSizes = image.attr('data-sizes') || _.$slider.attr('data-sizes'); imageToLoad = document.createElement('img');
imageToLoad.onload = function() {
if (imageSrcSet) { image .attr('srcset', imageSrcSet );
if (imageSizes) { image .attr('sizes', imageSizes ); } }
image .attr( 'src', imageSource ) .removeAttr('data-lazy data-srcset data-sizes') .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 ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) {
_.respondTo = _.options.respondTo || 'window';
for ( breakpoint in responsiveSettings ) {
l = _.breakpoints.length-1;
if (responsiveSettings.hasOwnProperty(breakpoint)) { currentBreakpoint = responsiveSettings[breakpoint].breakpoint;
// loop through the breakpoints and cut out any existing
// ones with the same breakpoint number, we don't want dupes.
while( l >= 0 ) { if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) { _.breakpoints.splice(l,1); } l--; }
_.breakpoints.push(currentBreakpoint); _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;
}
}
_.breakpoints.sort(function(a, b) { return ( _.options.mobileFirst ) ? a-b : b-a; });
}
};
Slick.prototype.reinit = function() {
var _ = this;
_.$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' || _.options.lazyLoad === 'anticipated') { _.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 + _.slideCount; 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) : $(event.target).parents('.slick-slide');
var index = parseInt(targetElement.attr('data-slick-index'));
if (!index) index = 0;
if (_.slideCount <= _.options.slidesToShow) {
_.slideHandler(index, false, true); return;
}
_.slideHandler(index);
};
Slick.prototype.slideHandler = function(index, sync, dontAnimate) {
var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null, _ = this, navTarget;
sync = sync || false;
if (_.animating === true && _.options.waitForAnimate === true) { return; }
if (_.options.fade === true && _.currentSlide === index) { return; }
if (sync === false) { _.asNavFor(index); }
targetSlide = index; targetLeft = _.getLeft(targetSlide); slideLeft = _.getLeft(_.currentSlide);
_.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;
if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) { if (_.options.fade === false) { targetSlide = _.currentSlide; if (dontAnimate !== true) { _.animateSlide(slideLeft, function() { _.postSlide(targetSlide); }); } else { _.postSlide(targetSlide); } } return; } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) { if (_.options.fade === false) { targetSlide = _.currentSlide; if (dontAnimate !== true) { _.animateSlide(slideLeft, function() { _.postSlide(targetSlide); }); } else { _.postSlide(targetSlide); } } return; }
if ( _.options.autoplay ) { clearInterval(_.autoPlayTimer); }
if (targetSlide < 0) { if (_.slideCount % _.options.slidesToScroll !== 0) { animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll); } else { animSlide = _.slideCount + targetSlide; } } else if (targetSlide >= _.slideCount) { if (_.slideCount % _.options.slidesToScroll !== 0) { animSlide = 0; } else { animSlide = targetSlide - _.slideCount; } } else { animSlide = targetSlide; }
_.animating = true;
_.$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; _.swiping = false;
if (_.scrolling) { _.scrolling = false; return 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, verticalSwipeLength;
touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;
if (!_.dragging || _.scrolling || 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)));
verticalSwipeLength = Math.round(Math.sqrt( Math.pow(_.touchObject.curY - _.touchObject.startY, 2)));
if (!_.options.verticalSwiping && !_.swiping && verticalSwipeLength > 4) { _.scrolling = true; return false; }
if (_.options.verticalSwiping === true) { _.touchObject.swipeLength = verticalSwipeLength; }
swipeDirection = _.swipeDirection();
if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) { _.swiping = true; 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') .end();
_.$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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