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/*
_ _ _ _
___| (_) ___| | __ (_)___
/ __| | |/ __| |/ / | / __|
\__ \ | | (__| < _ | \__ \
|___/_|_|\___|_|\_(_)/ |___/
|__/
Version: 1.3.7
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 {
factory(jQuery);
}
}(function($) {
'use strict';
var Slick = window.Slick || {};
Slick = (function() {
var instanceUid = 0;
function Slick(element, settings) {
var _ = this,
responsiveSettings, breakpoint;
_.defaults = {
accessibility: true,
appendArrows: $(element),
arrows: true,
asNavFor: null,
prevArrow: '<button type="button" data-role="none" class="slick-prev">Previous</button>',
nextArrow: '<button type="button" data-role="none" class="slick-next">Next</button>',
autoplay: false,
autoplaySpeed: 3000,
centerMode: false,
centerPadding: '50px',
cssEase: 'ease',
customPaging: function(slider, i) {
return '<button type="button" data-role="none">' + (i + 1) + '</button>';
},
dots: false,
dotsClass: 'slick-dots',
draggable: true,
easing: 'linear',
fade: false,
focusOnSelect: false,
infinite: true,
lazyLoad: 'ondemand',
onBeforeChange: null,
onAfterChange: null,
onInit: null,
onReInit: null,
pauseOnHover: true,
pauseOnDotsHover: false,
responsive: null,
rtl: false,
slide: 'div',
slidesToShow: 1,
slidesToScroll: 1,
speed: 300,
swipe: true,
touchMove: true,
touchThreshold: 5,
useCSS: true,
vertical: false
};
_.initials = {
animating: false,
dragging: false,
autoPlayTimer: null,
currentSlide: 0,
currentLeft: null,
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
};
$.extend(_, _.initials);
_.activeBreakpoint = null;
_.animType = null;
_.animProp = null;
_.breakpoints = [];
_.breakpointSettings = [];
_.cssTransitions = false;
_.paused = false;
_.positionProp = null;
_.$slider = $(element);
_.$slidesCache = null;
_.transformType = null;
_.transitionType = null;
_.windowWidth = 0;
_.windowTimer = null;
_.options = $.extend({}, _.defaults, settings);
_.originalSettings = _.options;
responsiveSettings = _.options.responsive || null;
if (responsiveSettings && responsiveSettings.length > -1) {
for (breakpoint in responsiveSettings) {
if (responsiveSettings.hasOwnProperty(breakpoint)) {
_.breakpoints.push(responsiveSettings[
breakpoint].breakpoint);
_.breakpointSettings[responsiveSettings[
breakpoint].breakpoint] =
responsiveSettings[breakpoint].settings;
}
}
_.breakpoints.sort(function(a, b) {
return b - a;
});
}
_.autoPlay = $.proxy(_.autoPlay, _);
_.autoPlayClear = $.proxy(_.autoPlayClear, _);
_.changeSlide = $.proxy(_.changeSlide, _);
_.selectHandler = $.proxy(_.selectHandler, _);
_.setPosition = $.proxy(_.setPosition, _);
_.swipeHandler = $.proxy(_.swipeHandler, _);
_.dragHandler = $.proxy(_.dragHandler, _);
_.keyHandler = $.proxy(_.keyHandler, _);
_.autoPlayIterator = $.proxy(_.autoPlayIterator, _);
_.instanceUid = instanceUid++;
// A simple way to check for HTML strings
// Strict HTML recognition (must start with <)
// Extracted from jQuery v1.11 source
_.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;
_.init();
}
return Slick;
}());
Slick.prototype.addSlide = 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) {
$(element).attr("index",index);
});
_.$slidesCache = _.$slides;
_.reinit();
};
Slick.prototype.animateSlide = function(targetLeft, callback) {
var animProps = {}, _ = this;
if (_.options.rtl === true && _.options.vertical === false) {
targetLeft = -targetLeft;
}
if (_.transformsEnabled === false) {
if (_.options.vertical === false) {
_.$slideTrack.animate({
left: targetLeft
}, _.options.speed, _.options.easing, callback);
} else {
_.$slideTrack.animate({
top: targetLeft
}, _.options.speed, _.options.easing, callback);
}
} else {
if (_.cssTransitions === false) {
$({
animStart: _.currentLeft
}).animate({
animStart: targetLeft
}, {
duration: _.options.speed,
easing: _.options.easing,
step: function(now) {
if (_.options.vertical === false) {
animProps[_.animType] = 'translate(' +
now + 'px, 0px)';
_.$slideTrack.css(animProps);
} else {
animProps[_.animType] = 'translate(0px,' +
now + 'px)';
_.$slideTrack.css(animProps);
}
},
complete: function() {
if (callback) {
callback.call();
}
}
});
} else {
_.applyTransition();
if (_.options.vertical === false) {
animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)';
} else {
animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)';
}
_.$slideTrack.css(animProps);
if (callback) {
setTimeout(function() {
_.disableTransition();
callback.call();
}, _.options.speed);
}
}
}
};
Slick.prototype.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;
if (_.autoPlayTimer) {
clearInterval(_.autoPlayTimer);
}
if (_.slideCount > _.options.slidesToShow && _.paused !== true) {
_.autoPlayTimer = setInterval(_.autoPlayIterator,
_.options.autoplaySpeed);
}
};
Slick.prototype.autoPlayClear = function() {
var _ = this;
if (_.autoPlayTimer) {
clearInterval(_.autoPlayTimer);
}
};
Slick.prototype.autoPlayIterator = function() {
var _ = this;
var asNavFor = _.options.asNavFor != null ? $(_.options.asNavFor).getSlick() : null;
if (_.options.infinite === false) {
if (_.direction === 1) {
if ((_.currentSlide + 1) === _.slideCount -
1) {
_.direction = 0;
}
_.slideHandler(_.currentSlide + _.options.slidesToScroll);
if(asNavFor != null) asNavFor.slideHandler(asNavFor.currentSlide + asNavFor.options.slidesToScroll);
} else {
if ((_.currentSlide - 1 === 0)) {
_.direction = 1;
}
_.slideHandler(_.currentSlide - _.options.slidesToScroll);
if(asNavFor != null) asNavFor.slideHandler(asNavFor.currentSlide - asNavFor.options.slidesToScroll);
}
} else {
_.slideHandler(_.currentSlide + _.options.slidesToScroll);
if(asNavFor != null) asNavFor.slideHandler(asNavFor.currentSlide + asNavFor.options.slidesToScroll);
}
};
Slick.prototype.buildArrows = function() {
var _ = this;
if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
_.$prevArrow = $(_.options.prevArrow);
_.$nextArrow = $(_.options.nextArrow);
if (_.htmlExpr.test(_.options.prevArrow)) {
_.$prevArrow.appendTo(_.options.appendArrows);
}
if (_.htmlExpr.test(_.options.nextArrow)) {
_.$nextArrow.appendTo(_.options.appendArrows);
}
if (_.options.infinite !== true) {
_.$prevArrow.addClass('slick-disabled');
}
}
};
Slick.prototype.buildDots = function() {
var _ = this,
i, dotString;
if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
dotString = '<ul class="' + _.options.dotsClass + '">';
for (i = 0; i <= _.getDotCount(); i += 1) {
dotString += '<li>' + _.options.customPaging.call(this, _, i) + '</li>';
}
dotString += '</ul>';
_.$dots = $(dotString).appendTo(
_.$slider);
_.$dots.find('li').first().addClass(
'slick-active');
}
};
Slick.prototype.buildOut = function() {
var _ = this;
_.$slides = _.$slider.children(_.options.slide +
':not(.slick-cloned)').addClass(
'slick-slide');
_.slideCount = _.$slides.length;
_.$slides.each(function(index, element) {
$(element).attr("index",index);
});
_.$slidesCache = _.$slides;
_.$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.slidesToScroll = 1;
if (_.options.slidesToShow % 2 === 0) {
_.options.slidesToShow = 3;
}
}
$('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');
_.setupInfinite();
_.buildArrows();
_.buildDots();
_.updateDots();
if (_.options.accessibility === true) {
_.$list.prop('tabIndex', 0);
}
_.setSlideClasses(typeof this.currentSlide === 'number' ? this.currentSlide : 0);
if (_.options.draggable === true) {
_.$list.addClass('draggable');
}
};
Slick.prototype.checkResponsive = function() {
var _ = this,
breakpoint, targetBreakpoint;
if (_.originalSettings.responsive && _.originalSettings
.responsive.length > -1 && _.originalSettings.responsive !== null) {
targetBreakpoint = null;
for (breakpoint in _.breakpoints) {
if (_.breakpoints.hasOwnProperty(breakpoint)) {
if ($(window).width() < _.breakpoints[
breakpoint]) {
targetBreakpoint = _.breakpoints[
breakpoint];
}
}
}
if (targetBreakpoint !== null) {
if (_.activeBreakpoint !== null) {
if (targetBreakpoint !== _.activeBreakpoint) {
_.activeBreakpoint =
targetBreakpoint;
_.options = $.extend({}, _.options,
_.breakpointSettings[
targetBreakpoint]);
_.refresh();
}
} else {
_.activeBreakpoint = targetBreakpoint;
_.options = $.extend({}, _.options,
_.breakpointSettings[
targetBreakpoint]);
_.refresh();
}
} else {
if (_.activeBreakpoint !== null) {
_.activeBreakpoint = null;
_.options = $.extend({}, _.options,
_.originalSettings);
_.refresh();
}
}
}
};
Slick.prototype.changeSlide = function(event) {
var _ = this,
$target = $(event.target);
var asNavFor = _.options.asNavFor != null ? $(_.options.asNavFor).getSlick() : null;
// If target is a link, prevent default action.
$target.is('a') && event.preventDefault();
switch (event.data.message) {
case 'previous':
if (_.slideCount > _.options.slidesToShow) {
_.slideHandler(_.currentSlide - _.options
.slidesToScroll);
if(asNavFor != null) asNavFor.slideHandler(asNavFor.currentSlide - asNavFor.options.slidesToScroll);
}
break;
case 'next':
if (_.slideCount > _.options.slidesToShow) {
_.slideHandler(_.currentSlide + _.options
.slidesToScroll);
if(asNavFor != null) asNavFor.slideHandler(asNavFor.currentSlide + asNavFor.options.slidesToScroll);
}
break;
case 'index':
var index = $(event.target).parent().index() * _.options.slidesToScroll;
_.slideHandler(index);
if(asNavFor != null) asNavFor.slideHandler(index); break;
default:
return false;
}
};
Slick.prototype.destroy = function() {
var _ = this;
_.autoPlayClear();
_.touchObject = {};
$('.slick-cloned', _.$slider).remove();
if (_.$dots) {
_.$dots.remove();
}
if (_.$prevArrow) {
_.$prevArrow.remove();
_.$nextArrow.remove();
}
if (_.$slides.parent().hasClass('slick-track')) {
_.$slides.unwrap().unwrap();
}
_.$slides.removeClass(
'slick-slide slick-active slick-visible').removeAttr('style');
_.$slider.removeClass('slick-slider');
_.$slider.removeClass('slick-initialized');
_.$list.off('.slick');
$(window).off('.slick-' + _.instanceUid);
$(document).off('.slick-' + _.instanceUid);
};
Slick.prototype.disableTransition = function(slide) {
var _ = this,
transition = {};
transition[_.transitionType] = "";
if (_.options.fade === false) {
_.$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: 1000
});
_.$slides.eq(slideIndex).animate({
opacity: 1
}, _.options.speed, _.options.easing, callback);
} else {
_.applyTransition(slideIndex);
_.$slides.eq(slideIndex).css({
opacity: 1,
zIndex: 1000
});
if (callback) {
setTimeout(function() {
_.disableTransition(slideIndex);
callback.call();
}, _.options.speed);
}
}
};
Slick.prototype.filterSlides = function(filter) {
var _ = this;
if (filter !== null) {
_.unload();
_.$slideTrack.children(this.options.slide).detach();
_.$slidesCache.filter(filter).appendTo(_.$slideTrack);
_.reinit();
}
};
Slick.prototype.getCurrent = function() {
var _ = this;
return _.currentSlide;
};
Slick.prototype.getDotCount = function() {
var _ = this,
breaker = 0,
dotCounter = 0,
dotCount = 0,
dotLimit;
dotLimit = _.options.infinite === true ? _.slideCount + _.options.slidesToShow - _.options.slidesToScroll : _.slideCount;
while (breaker < dotLimit) {
dotCount++;
dotCounter += _.options.slidesToScroll;
breaker = dotCounter + _.options.slidesToShow;
}
return dotCount;
};
Slick.prototype.getLeft = function(slideIndex) {
var _ = this,
targetLeft,
verticalHeight,
verticalOffset = 0;
_.slideOffset = 0;
verticalHeight = _.$slides.first().outerHeight();
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) {
_.slideOffset = ((_.slideCount % _.options.slidesToShow) * _.slideWidth) * -1;
verticalOffset = ((_.slideCount % _.options.slidesToShow) * verticalHeight) * -1;
}
}
} else {
if (_.slideCount % _.options.slidesToShow !== 0) {
if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
_.slideOffset = (_.options.slidesToShow * _.slideWidth) - ((_.slideCount % _.options.slidesToShow) * _.slideWidth);
verticalOffset = ((_.slideCount % _.options.slidesToShow) * verticalHeight);
}
}
}
if (_.options.centerMode === true && _.options.infinite === true) {
_.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
} else if (_.options.centerMode === true) {
_.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
}
if (_.options.vertical === false) {
targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
} else {
targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
}
return targetLeft;
};
Slick.prototype.init = function() {
var _ = this;
if (!$(_.$slider).hasClass('slick-initialized')) {
$(_.$slider).addClass('slick-initialized');
_.buildOut();
_.setProps();
_.startLoad();
_.loadSlider();
_.initializeEvents();
_.checkResponsive();
}
if (_.options.onInit !== null) {
_.options.onInit.call(this, _);
}
};
Slick.prototype.initArrowEvents = function() {
var _ = this;
if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
_.$prevArrow.on('click.slick', {
message: 'previous'
}, _.changeSlide);
_.$nextArrow.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 && _.options.autoplay === true) {
$('li', _.$dots)
.on('mouseenter.slick', _.autoPlayClear)
.on('mouseleave.slick', _.autoPlay);
}
};
Slick.prototype.initializeEvents = function() {
var _ = this;
_.initArrowEvents();
_.initDotEvents();
_.$list.on('touchstart.slick mousedown.slick', {
action: 'start'
}, _.swipeHandler);
_.$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);
if (_.options.pauseOnHover === true && _.options.autoplay === true) {
_.$list.on('mouseenter.slick', _.autoPlayClear);
_.$list.on('mouseleave.slick', _.autoPlay);
}
if(_.options.accessibility === true) {
_.$list.on('keydown.slick', _.keyHandler);
}
if(_.options.focusOnSelect === true) {
$(_.options.slide, _.$slideTrack).on('click.slick', _.selectHandler);
}
$(window).on('orientationchange.slick.slick-' + _.instanceUid, function() {
_.checkResponsive();
_.setPosition();
});
$(window).on('resize.slick.slick-' + _.instanceUid, function() {
if ($(window).width() !== _.windowWidth) {
clearTimeout(_.windowDelay);
_.windowDelay = window.setTimeout(function() {
_.windowWidth = $(window).width();
_.checkResponsive();
_.setPosition();
}, 50);
}
});
$(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();
}
if (_.options.autoplay === true) {
_.autoPlay();
}
};
Slick.prototype.keyHandler = function(event) {
var _ = this;
if (event.keyCode === 37) {
_.changeSlide({
data: {
message: 'previous'
}
});
} else if (event.keyCode === 39) {
_.changeSlide({
data: {
message: 'next'
}
});
}
};
Slick.prototype.lazyLoad = function() {
var _ = this,
loadRange, cloneRange, rangeStart, rangeEnd;
function loadImages(imagesScope) {
$('img[data-lazy]', imagesScope).each(function() {
var image = $(this),
imageSource = $(this).attr('data-lazy') + "?" + new Date().getTime();
image
.load(function() { image.animate({ opacity: 1 }, 200); })
.css({ opacity: 0 })
.attr('src', imageSource)
.removeAttr('data-lazy')
.removeClass('slick-loading');
});
}
if (_.options.centerMode === true) {
if (_.options.infinite === true) {
rangeStart = _.currentSlide + (_.options.slidesToShow/2 + 1);
rangeEnd = rangeStart + _.options.slidesToShow + 2;
} else {
rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow/2 + 1));
rangeEnd = 2 + (_.options.slidesToShow/2 + 1) + _.currentSlide;
}
} else {
rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
rangeEnd = rangeStart + _.options.slidesToShow;
if (_.options.fade === true ) {
if(rangeStart > 0) rangeStart--;
if(rangeEnd <= _.slideCount) rangeEnd++;
}
}
loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);
loadImages(loadRange);
if (_.slideCount == 1){
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.postSlide = function(index) {
var _ = this;
if (_.options.onAfterChange !== null) {
_.options.onAfterChange.call(this, _, index);
}
_.animating = false;
_.setPosition();
_.swipeLeft = null;
if (_.options.autoplay === true && _.paused === false) {
_.autoPlay();
}
};
Slick.prototype.progressiveLazyLoad = function() {
var _ = this,
imgCount, targetImage;
imgCount = $('img[data-lazy]').length;
if (imgCount > 0) {
targetImage = $('img[data-lazy]', _.$slider).first();
targetImage.attr('src', targetImage.attr('data-lazy')).removeClass('slick-loading').load(function() {
targetImage.removeAttr('data-lazy');
_.progressiveLazyLoad();
});
}
};
Slick.prototype.refresh = function() {
var _ = this,
currentSlide = _.currentSlide;
_.destroy();
$.extend(_, _.initials);
_.currentSlide = currentSlide;
_.init();
};
Slick.prototype.reinit = function() {
var _ = this;
_.$slides = _.$slideTrack.children(_.options.slide).addClass(
'slick-slide');
_.slideCount = _.$slides.length;
if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) {
_.currentSlide = _.currentSlide - _.options.slidesToScroll;
}
_.setProps();
_.setupInfinite();
_.buildArrows();
_.updateArrows();
_.initArrowEvents();
_.buildDots();
_.updateDots();
_.initDotEvents();
if(_.options.focusOnSelect === true) {
$(_.options.slide, _.$slideTrack).on('click.slick', _.selectHandler);
}
_.setSlideClasses(0);
_.setPosition();
if (_.options.onReInit !== null) {
_.options.onReInit.call(this, _);
}
};
Slick.prototype.removeSlide = function(index, removeBefore) {
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();
_.$slideTrack.children(this.options.slide).eq(index).remove();
_.$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' ? position + 'px' : '0px';
y = _.positionProp == 'top' ? 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 = _.$list.height();
if(_.options.vertical === false) {
_.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow);
_.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length)));
} else {
_.slideWidth = Math.ceil(_.listWidth);
_.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length)));
}
var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width();
_.$slideTrack.children('.slick-slide').width(_.slideWidth - offset);
};
Slick.prototype.setFade = function() {
var _ = this,
targetLeft;
_.$slides.each(function(index, element) {
targetLeft = (_.slideWidth * index) * -1;
$(element).css({
position: 'relative',
left: targetLeft,
top: 0,
zIndex: 800,
opacity: 0
});
});
_.$slides.eq(_.currentSlide).css({
zIndex: 900,
opacity: 1
});
};
Slick.prototype.setPosition = function() {
var _ = this;
_.setDimensions();
if (_.options.fade === false) {
_.setCSS(_.getLeft(_.currentSlide));
} else {
_.setFade();
}
};
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 (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 = (_.animType !== null && _.animType !== false);
};
Slick.prototype.setSlideClasses = function(index) {
var _ = this,
centerOffset, allSlides, indexOffset, remainder;
_.$slider.find('.slick-slide').removeClass('slick-active').removeClass('slick-center');
allSlides = _.$slider.find('.slick-slide');
if (_.options.centerMode === true) {
centerOffset = Math.floor(_.options.slidesToShow / 2);
if(_.options.infinite === true) {
if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) {
_.$slides.slice(index - centerOffset, index + centerOffset + 1).addClass('slick-active');
} else {
indexOffset = _.options.slidesToShow + index;
allSlides.slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2).addClass('slick-active');
}
if (index === 0) {
allSlides.eq(allSlides.length - 1 - _.options.slidesToShow).addClass('slick-center');
} else if (index === _.slideCount - 1) {
allSlides.eq(_.options.slidesToShow).addClass('slick-center');
}
}
_.$slides.eq(index).addClass('slick-center');
} else {
if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {
_.$slides.slice(index, index + _.options.slidesToShow).addClass('slick-active');
} else if ( allSlides.length <= _.options.slidesToShow ) {
allSlides.addClass('slick-active');
} 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');
} else {
allSlides.slice(indexOffset, indexOffset + _.options.slidesToShow).addClass('slick-active');
}
}
}
if (_.options.lazyLoad === 'ondemand') {
_.lazyLoad();
}
};
Slick.prototype.setupInfinite = function() {
var _ = this,
i, slideIndex, infiniteCount;
if (_.options.fade === true || _.options.vertical === 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', '').prependTo(
_.$slideTrack).addClass('slick-cloned');
}
for (i = 0; i < infiniteCount; i += 1) {
slideIndex = i;
$(_.$slides[slideIndex]).clone(true).attr('id', '').appendTo(
_.$slideTrack).addClass('slick-cloned');
}
_.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
$(this).attr('id', '');
});
}
}
};
Slick.prototype.selectHandler = function(event) {
var _ = this;
var asNavFor = _.options.asNavFor != null ? $(_.options.asNavFor).getSlick() : null;
var index = parseInt($(event.target).parent().attr("index"));
if(!index) index = 0;
if(_.slideCount <= _.options.slidesToShow){
return;
}
_.slideHandler(index);
if(asNavFor != null){
if(asNavFor.slideCount <= asNavFor.options.slidesToShow){
return;
}
asNavFor.slideHandler(index);
}
};
Slick.prototype.slideHandler = function(index) {
var targetSlide, animSlide, slideLeft, unevenOffset, targetLeft = null,
_ = this;
if (_.animating === true) {
return false;
}
targetSlide = index;
targetLeft = _.getLeft(targetSlide);
slideLeft = _.getLeft(_.currentSlide);
unevenOffset = _.slideCount % _.options.slidesToScroll !== 0 ? _.options.slidesToScroll : 0;
_.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;
if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > (_.slideCount - _.options.slidesToShow + unevenOffset))) {
if(_.options.fade === false) {
targetSlide = _.currentSlide;
_.animateSlide(slideLeft, function() {
_.postSlide(targetSlide);
});
}
return false;
} else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
if(_.options.fade === false) {
targetSlide = _.currentSlide;
_.animateSlide(slideLeft, function() {
_.postSlide(targetSlide);
});
}
return false;
}
if (_.options.autoplay === true) {
clearInterval(_.autoPlayTimer);
}
if (targetSlide < 0) {
if (_.slideCount % _.options.slidesToScroll !== 0) {
animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
} else {
animSlide = _.slideCount - _.options.slidesToScroll;
}
} else if (targetSlide > (_.slideCount - 1)) {
animSlide = 0;
} else {
animSlide = targetSlide;
}
_.animating = true;
if (_.options.onBeforeChange !== null && index !== _.currentSlide) {
_.options.onBeforeChange.call(this, _, _.currentSlide, animSlide);
}
_.currentSlide = animSlide;
_.setSlideClasses(_.currentSlide);
_.updateDots();
_.updateArrows();
if (_.options.fade === true) {
_.fadeSlide(animSlide, function() {
_.postSlide(animSlide);
});
return false;
}
_.animateSlide(targetLeft, function() {
_.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 'left';
}
if ((swipeAngle <= 360) && (swipeAngle >= 315)) {
return 'left';
}
if ((swipeAngle >= 135) && (swipeAngle <= 225)) {
return 'right';
}
return 'vertical';
};
Slick.prototype.swipeEnd = function(event) {
var _ = this;
var asNavFor = _.options.asNavFor != null ? $(_.options.asNavFor).getSlick() : null;
_.dragging = false;
if (_.touchObject.curX === undefined) {
return false;
}
if (_.touchObject.swipeLength >= _.touchObject.minSwipe) {
$(event.target).on('click.slick', function(event) {
event.stopImmediatePropagation();
event.stopPropagation();
event.preventDefault();
$(event.target).off('click.slick');
});
switch (_.swipeDirection()) {
case 'left':
_.slideHandler(_.currentSlide + _.options.slidesToScroll);
if(asNavFor != null) asNavFor.slideHandler(asNavFor.currentSlide + asNavFor.options.slidesToScroll);
_.touchObject = {};
break;
case 'right':
_.slideHandler(_.currentSlide - _.options.slidesToScroll);
if(asNavFor != null) asNavFor.slideHandler(asNavFor.currentSlide - asNavFor.options.slidesToScroll);
_.touchObject = {};
break;
}
} else {
if(_.touchObject.startX !== _.touchObject.curX) {
_.slideHandler(_.currentSlide);
if(asNavFor != null) asNavFor.slideHandler(asNavFor.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) || (_.options.draggable === false && !event.originalEvent.touches)) {
return;
}
_.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ?
event.originalEvent.touches.length : 1;
_.touchObject.minSwipe = _.listWidth / _.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,
curLeft, swipeDirection, positionOffset, touches;
touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;
curLeft = _.getLeft(_.currentSlide);
if (!_.dragging || touches && touches.length !== 1) {
return false;
}
_.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)));
swipeDirection = _.swipeDirection();
if (swipeDirection === 'vertical') {
return;
}
if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) {
event.preventDefault();
}
positionOffset = _.touchObject.curX > _.touchObject.startX ? 1 : -1;
if (_.options.vertical === false) {
_.swipeLeft = curLeft + _.touchObject.swipeLength * positionOffset;
} else {
_.swipeLeft = curLeft + (_.touchObject
.swipeLength * (_.$list.height() / _.listWidth)) * 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;
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 = 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 (_.$prevArrow) {
_.$prevArrow.remove();
_.$nextArrow.remove();
}
_.$slides.removeClass(
'slick-slide slick-active slick-visible').removeAttr('style');
};
Slick.prototype.updateArrows = function() {
var _ = this;
if (_.options.arrows === true && _.options.infinite !==
true && _.slideCount > _.options.slidesToShow) {
_.$prevArrow.removeClass('slick-disabled');
_.$nextArrow.removeClass('slick-disabled');
if (_.currentSlide === 0) {
_.$prevArrow.addClass('slick-disabled');
_.$nextArrow.removeClass('slick-disabled');
} else if (_.currentSlide >= _.slideCount - _.options.slidesToShow) {
_.$nextArrow.addClass('slick-disabled');
_.$prevArrow.removeClass('slick-disabled');
}
}
};
Slick.prototype.updateDots = function() {
var _ = this;
if (_.$dots !== null) {
_.$dots.find('li').removeClass('slick-active');
_.$dots.find('li').eq(Math.floor(_.currentSlide / _.options.slidesToScroll)).addClass('slick-active');
}
};
$.fn.slick = function(options) {
var _ = this;
return _.each(function(index, element) {
element.slick = new Slick(element, options);
});
};
$.fn.slickAdd = function(slide, slideIndex, addBefore) {
var _ = this;
return _.each(function(index, element) {
element.slick.addSlide(slide, slideIndex, addBefore);
});
};
$.fn.slickCurrentSlide = function() {
var _ = this;
return _.get(0).slick.getCurrent();
};
$.fn.slickFilter = function(filter) {
var _ = this;
return _.each(function(index, element) {
element.slick.filterSlides(filter);
});
};
$.fn.slickGoTo = function(slide) {
var _ = this;
return _.each(function(index, element) {
var asNavFor = element.slick.options.asNavFor != null ? $(element.slick.options.asNavFor) : null;
if(asNavFor != null) asNavFor.slickGoTo(slide);
element.slick.slideHandler(slide);
});
};
$.fn.slickNext = function() {
var _ = this;
return _.each(function(index, element) {
element.slick.changeSlide({
data: {
message: 'next'
}
});
});
};
$.fn.slickPause = function() {
var _ = this;
return _.each(function(index, element) {
element.slick.autoPlayClear();
element.slick.paused = true;
});
};
$.fn.slickPlay = function() {
var _ = this;
return _.each(function(index, element) {
element.slick.paused = false;
element.slick.autoPlay();
});
};
$.fn.slickPrev = function() {
var _ = this;
return _.each(function(index, element) {
element.slick.changeSlide({
data: {
message: 'previous'
}
});
});
};
$.fn.slickRemove = function(slideIndex, removeBefore) {
var _ = this;
return _.each(function(index, element) {
element.slick.removeSlide(slideIndex, removeBefore);
});
};
$.fn.slickGetOption = function(option) {
var _ = this;
return _.get(0).slick.options[option];
};
$.fn.slickSetOption = function(option, value, refresh) {
var _ = this;
return _.each(function(index, element) {
element.slick.options[option] = value;
if (refresh === true) {
element.slick.unload();
element.slick.reinit();
}
});
};
$.fn.slickUnfilter = function() {
var _ = this;
return _.each(function(index, element) {
element.slick.unfilterSlides();
});
};
$.fn.unslick = function() {
var _ = this;
return _.each(function(index, element) {
if (element.slick) {
element.slick.destroy();
}
});
};
$.fn.getSlick = function() {
var s = null;
var _ = this;
_.each(function(index, element) {
s = element.slick;
});
return s;
};
}));