MediaWiki:Gadget-Slick.js
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/*
_ _ _ _
___| (_) ___| | __ (_)___
/ __| | |/ __| |/ / | / __|
\__ \ | | (__| < _ | \__ \
|___/_|_|\___|_|\_(_)/ |___/
|__/
Version: 1.5.2
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, responsiveSettings, breakpoint;
_.defaults = {
accessibility: true,
adaptiveHeight: false,
appendArrows: $(element),
appendDots: $(element),
arrows: true,
asNavFor: null,
prevArrow: '<button type="button" data-role="none" class="slick-prev" aria-label="previous">Previous</button>',
nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="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',
edgeFriction: 0.35,
fade: false,
focusOnSelect: false,
infinite: true,
initialSlide: 0,
lazyLoad: 'ondemand',
mobileFirst: false,
pauseOnHover: 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,
variableWidth: false,
vertical: false,
verticalSwiping: false,
waitForAnimate: true
};
_.initials = {
animating: false,
dragging: false,
autoPlayTimer: null,
currentDirection: 0,
currentLeft: null,
currentSlide: 0,
direction: 1,
$dots: null,
listWidth: null,
listHeight: null,
loadIndex: 0,
$nextArrow: null,
$prevArrow: null,
slideCount: null,
slideWidth: null,
$slideTrack: null,
$slides: null,
sliding: false,
slideOffset: 0,
swipeLeft: null,
$list: null,
touchObject: {},
transformsEnabled: false
};
$.extend(_, _.initials);
_.activeBreakpoint = null;
_.animType = null;
_.animProp = null;
_.breakpoints = [];
_.breakpointSettings = [];
_.cssTransitions = false;
_.hidden = 'hidden';
_.paused = false;
_.positionProp = null;
_.respondTo = null;
_.rowCount = 1;
_.shouldClick = true;
_.$slider = $(element);
_.$slidesCache = null;
_.transformType = null;
_.transitionType = null;
_.visibilityChange = 'visibilitychange';
_.windowWidth = 0;
_.windowTimer = null;
dataSettings = $(element).data('slick') || {};
_.options = $.extend({}, _.defaults, dataSettings, settings);
_.currentSlide = _.options.initialSlide;
_.originalSettings = _.options;
responsiveSettings = _.options.responsive || null;
if (responsiveSettings && responsiveSettings.length > -1) {
_.respondTo = _.options.respondTo || 'window';
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) {
if (_.options.mobileFirst === true) {
return a - b;
} else {
return b - a;
}
});
}
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, _);
_.changeSlide = $.proxy(_.changeSlide, _);
_.clickHandler = $.proxy(_.clickHandler, _);
_.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();
_.checkResponsive(true);
}
return Slick;
}());
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.asNavFor = function(index) {
var _ = this,
asNavFor = _.options.asNavFor !== null ? $(_.options.asNavFor).slick('getSlick') : null;
if (asNavFor !== null) asNavFor.slideHandler(index, true);
};
Slick.prototype.applyTransition = function(slide) {
var _ = this,
transition = {};
if (_.options.fade === false) {
transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase;
} else {
transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase;
}
if (_.options.fade === false) {
_.$slideTrack.css(transition);
} else {
_.$slides.eq(slide).css(transition);
}
};
Slick.prototype.autoPlay = function() {
var _ = this;
if (_.autoPlayTimer) {
clearInterval(_.autoPlayTimer);
}
if (_.slideCount > _.options.slidesToShow && _.paused !== true) {
_.autoPlayTimer = setInterval(_.autoPlayIterator,
_.options.autoplaySpeed);
}
};
Slick.prototype.autoPlayClear = function() {
var _ = this;
if (_.autoPlayTimer) {
clearInterval(_.autoPlayTimer);
}
};
Slick.prototype.autoPlayIterator = function() {
var _ = this;
if (_.options.infinite === false) {
if (_.direction === 1) {
if ((_.currentSlide + 1) === _.slideCount -
1) {
_.direction = 0;
}
_.slideHandler(_.currentSlide + _.options.slidesToScroll);
} else {
if ((_.currentSlide - 1 === 0)) {
_.direction = 1;
}
_.slideHandler(_.currentSlide - _.options.slidesToScroll);
}
} else {
_.slideHandler(_.currentSlide + _.options.slidesToScroll);
}
};
Slick.prototype.buildArrows = function() {
var _ = this;
if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
_.$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 = $(dotString).appendTo(
_.options.appendDots);
_.$dots.find('li').first().addClass('slick-active').attr('aria-hidden', 'false');
}
};
Slick.prototype.buildOut = function() {
var _ = this;
_.$slides = _.$slider.children(
':not(.slick-cloned)').addClass(
'slick-slide');
_.slideCount = _.$slides.length;
_.$slides.each(function(index, element) {
$(element).attr('data-slick-index', index);
});
_.$slidesCache = _.$slides;
_.$slider.addClass('slick-slider');
_.$slideTrack = (_.slideCount === 0) ?
$('<div class="slick-track"/>').appendTo(_.$slider) :
_.$slides.wrapAll('<div class="slick-track"/>').parent();
_.$list = _.$slideTrack.wrap(
'<div aria-live="polite" class="slick-list"/>').parent();
_.$slideTrack.css('opacity', 0);
if (_.options.centerMode === true || _.options.swipeToSlide === true) {
_.options.slidesToScroll = 1;
}
$('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');
_.setupInfinite();
_.buildArrows();
_.buildDots();
_.updateDots();
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.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.html(newSlides);
_.$slider.children().children().children()
.width((100 / _.options.slidesPerRow) + "%")
.css({'display': 'inline-block'});
};
};
Slick.prototype.checkResponsive = function(initial) {
var _ = this,
breakpoint, targetBreakpoint, respondToWidth;
var sliderWidth = _.$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 (_.originalSettings.responsive && _.originalSettings
.responsive.length > -1 && _.originalSettings.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) {
_.activeBreakpoint =
targetBreakpoint;
if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
_.unslick();
} else {
_.options = $.extend({}, _.originalSettings,
_.breakpointSettings[
targetBreakpoint]);
if (initial === true)
_.currentSlide = _.options.initialSlide;
_.refresh();
}
_.$slider.trigger('breakpoint', [_, targetBreakpoint]);
}
} else {
_.activeBreakpoint = targetBreakpoint;
if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
_.unslick();
} else {
_.options = $.extend({}, _.originalSettings,
_.breakpointSettings[
targetBreakpoint]);
if (initial === true)
_.currentSlide = _.options.initialSlide;
_.refresh();
}
_.$slider.trigger('breakpoint', [_, targetBreakpoint]);
}
} else {
if (_.activeBreakpoint !== null) {
_.activeBreakpoint = null;
_.options = _.originalSettings;
if (initial === true)
_.currentSlide = _.options.initialSlide;
_.refresh();
_.$slider.trigger('breakpoint', [_, targetBreakpoint]);
}
}
}
};
Slick.prototype.changeSlide = function(event, dontAnimate) {
var _ = this,
$target = $(event.target),
indexOffset, slideOffset, unevenOffset;
// If target is a link, prevent default action.
if($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 === true && _.slideCount > _.options.slidesToShow) {
$('li', _.$dots).off('click.slick', _.changeSlide);
}
if (_.options.dots === true && _.options.pauseOnDotsHover === true && _.options.autoplay === true) {
$('li', _.$dots)
.off('mouseenter.slick', $.proxy(_.setPaused, _, true))
.off('mouseleave.slick', $.proxy(_.setPaused, _, false));
}
if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
_.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide);
_.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);
}
_.$list.off('touchstart.slick mousedown.slick', _.swipeHandler);
_.$list.off('touchmove.slick mousemove.slick', _.swipeHandler);
_.$list.off('touchend.slick mouseup.slick', _.swipeHandler);
_.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler);
_.$list.off('click.slick', _.clickHandler);
$(document).off(_.visibilityChange, _.visibility);
_.$list.off('mouseenter.slick', $.proxy(_.setPaused, _, true));
_.$list.off('mouseleave.slick', $.proxy(_.setPaused, _, false));
if (_.options.accessibility === true) {
_.$list.off('keydown.slick', _.keyHandler);
}
if (_.options.focusOnSelect === true) {
$(_.$slideTrack).children().off('click.slick', _.selectHandler);
}
$(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange);
$(window).off('resize.slick.slick-' + _.instanceUid, _.resize);
$('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault);
$(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);
$(document).off('ready.slick.slick-' + _.instanceUid, _.setPosition);
};
Slick.prototype.cleanUpRows = function() {
var _ = this, originalSlides;
if(_.options.rows > 1) {
originalSlides = _.$slides.children().children();
originalSlides.removeAttr('style');
_.$slider.html(originalSlides);
}
};
Slick.prototype.clickHandler = function(event) {
var _ = this;
if (_.shouldClick === false) {
event.stopImmediatePropagation();
event.stopPropagation();
event.preventDefault();
}
};
Slick.prototype.destroy = function() {
var _ = this;
_.autoPlayClear();
_.touchObject = {};
_.cleanUpEvents();
$('.slick-cloned', _.$slider).detach();
if (_.$dots) {
_.$dots.remove();
}
if (_.$prevArrow && (typeof _.options.prevArrow !== 'object')) {
_.$prevArrow.remove();
}
if (_.$nextArrow && (typeof _.options.nextArrow !== 'object')) {
_.$nextArrow.remove();
}
if (_.$slides) {
_.$slides.removeClass('slick-slide slick-active slick-center slick-visible')
.removeAttr('aria-hidden')
.removeAttr('data-slick-index')
.css({
position: '',
left: '',
top: '',
zIndex: '',
opacity: '',
width: ''
});
_.$slideTrack.children(this.options.slide).detach();
_.$slideTrack.detach();
_.$list.detach();
_.$slider.append(_.$slides);
}
_.cleanUpRows();
_.$slider.removeClass('slick-slider');
_.$slider.removeClass('slick-initialized');
};
Slick.prototype.disableTransition = function(slide) {
var _ = this,
transition = {};
transition[_.transitionType] = '';
if (_.options.fade === false) {
_.$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 = Slick.prototype.slickFilter = function(filter) {
var _ = this;
if (filter !== null) {
_.unload();
_.$slideTrack.children(this.options.slide).detach();
_.$slidesCache.filter(filter).appendTo(_.$slideTrack);
_.reinit();
}
};
Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {
var _ = this;
return _.currentSlide;
};
Slick.prototype.getDotCount = function() {
var _ = this;
var breakPoint = 0;
var counter = 0;
var pagerQty = 0;
if (_.options.infinite === true) {
while (breakPoint < _.slideCount) {
++pagerQty;
breakPoint = counter + _.options.slidesToShow;
counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
}
} else if (_.options.centerMode === true) {
pagerQty = _.slideCount;
} else {
while (breakPoint < _.slideCount) {
++pagerQty;
breakPoint = counter + _.options.slidesToShow;
counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
}
}
return pagerQty - 1;
};
Slick.prototype.getLeft = function(slideIndex) {
var _ = this,
targetLeft,
verticalHeight,
verticalOffset = 0,
targetSlide;
_.slideOffset = 0;
verticalHeight = _.$slides.first().outerHeight();
if (_.options.infinite === true) {
if (_.slideCount > _.options.slidesToShow) {
_.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1;
verticalOffset = (verticalHeight * _.options.slidesToShow) * -1;
}
if (_.slideCount % _.options.slidesToScroll !== 0) {
if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
if (slideIndex > _.slideCount) {
_.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1;
verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1;
} else {
_.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1;
verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1;
}
}
}
} else {
if (slideIndex + _.options.slidesToShow > _.slideCount) {
_.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth;
verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight;
}
}
if (_.slideCount <= _.options.slidesToShow) {
_.slideOffset = 0;
verticalOffset = 0;
}
if (_.options.centerMode === true && _.options.infinite === true) {
_.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
} else if (_.options.centerMode === true) {
_.slideOffset = 0;
_.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
}
if (_.options.vertical === false) {
targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
} else {
targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
}
if (_.options.variableWidth === true) {
if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
} else {
targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow);
}
targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
if (_.options.centerMode === true) {
if (_.options.infinite === false) {
targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
} else {
targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1);
}
targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2;
}
}
return targetLeft;
};
Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {
var _ = this;
return _.options[option];
};
Slick.prototype.getNavigableIndexes = function() {
var _ = this,
breakPoint = 0,
counter = 0,
indexes = [],
max;
if (_.options.infinite === false) {
max = Math.ceil(_.slideCount / _.options.slidesToShow) * _.options.slidesToShow;
if (_.options.centerMode === true) max = _.slideCount;
} else {
breakPoint = _.options.slidesToScroll * -1;
counter = _.options.slidesToScroll * -1;
max = _.slideCount * 2;
}
while (breakPoint < max) {
indexes.push(breakPoint);
breakPoint = counter + _.options.slidesToScroll;
counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
}
return indexes;
};
Slick.prototype.getSlick = function() {
return this;
};
Slick.prototype.getSlideCount = function() {
var _ = this,
slidesTraversed, swipedSlide, centerOffset;
centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0;
if (_.options.swipeToSlide === true) {
_.$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() {
var _ = this;
if (!$(_.$slider).hasClass('slick-initialized')) {
$(_.$slider).addClass('slick-initialized');
_.buildRows();
_.buildOut();
_.setProps();
_.startLoad();
_.loadSlider();
_.initializeEvents();
_.updateArrows();
_.updateDots();
}
_.$slider.trigger('init', [_]);
};
Slick.prototype.initArrowEvents = function() {
var _ = this;
if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
_.$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', $.proxy(_.setPaused, _, true))
.on('mouseleave.slick', $.proxy(_.setPaused, _, false));
}
};
Slick.prototype.initializeEvents = function() {
var _ = this;
_.initArrowEvents();
_.initDotEvents();
_.$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);
_.$list.on('touchcancel.slick mouseleave.slick', {
action: 'end'
}, _.swipeHandler);
_.$list.on('click.slick', _.clickHandler);
$(document).on(_.visibilityChange, $.proxy(_.visibility, _));
_.$list.on('mouseenter.slick', $.proxy(_.setPaused, _, true));
_.$list.on('mouseleave.slick', $.proxy(_.setPaused, _, false));
if (_.options.accessibility === true) {
_.$list.on('keydown.slick', _.keyHandler);
}
if (_.options.focusOnSelect === true) {
$(_.$slideTrack).children().on('click.slick', _.selectHandler);
}
$(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _));
$(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _));
$('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault);
$(window).on('load.slick.slick-' + _.instanceUid, _.setPosition);
$(document).on('ready.slick.slick-' + _.instanceUid, _.setPosition);
};
Slick.prototype.initUI = function() {
var _ = this;
if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
_.$prevArrow.show();
_.$nextArrow.show();
}
if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
_.$dots.show();
}
if (_.options.autoplay === true) {
_.autoPlay();
}
};
Slick.prototype.keyHandler = function(event) {
var _ = this;
if (event.keyCode === 37 && _.options.accessibility === true) {
_.changeSlide({
data: {
message: 'previous'
}
});
} else if (event.keyCode === 39 && _.options.accessibility === true) {
_.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 = $(this).attr('data-lazy'),
imageToLoad = document.createElement('img');
imageToLoad.onload = function() {
image.animate({
opacity: 1
}, 200);
};
imageToLoad.src = imageSource;
image
.css({
opacity: 0
})
.attr('src', imageSource)
.removeAttr('data-lazy')
.removeClass('slick-loading');
});
}
if (_.options.centerMode === true) {
if (_.options.infinite === true) {
rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1);
rangeEnd = rangeStart + _.options.slidesToShow + 2;
} else {
rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1));
rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide;
}
} else {
rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
rangeEnd = rangeStart + _.options.slidesToShow;
if (_.options.fade === true) {
if (rangeStart > 0) rangeStart--;
if (rangeEnd <= _.slideCount) rangeEnd++;
}
}
loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);
loadImages(loadRange);
if (_.slideCount <= _.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
});
_.$slider.removeClass('slick-loading');
_.initUI();
if (_.options.lazyLoad === 'progressive') {
_.progressiveLazyLoad();
}
};
Slick.prototype.next = Slick.prototype.slickNext = function() {
var _ = this;
_.changeSlide({
data: {
message: 'next'
}
});
};
Slick.prototype.orientationChange = function() {
var _ = this;
_.checkResponsive();
_.setPosition();
};
Slick.prototype.pause = Slick.prototype.slickPause = function() {
var _ = this;
_.autoPlayClear();
_.paused = true;
};
Slick.prototype.play = Slick.prototype.slickPlay = function() {
var _ = this;
_.paused = false;
_.autoPlay();
};
Slick.prototype.postSlide = function(index) {
var _ = this;
_.$slider.trigger('afterChange', [_, index]);
_.animating = false;
_.setPosition();
_.swipeLeft = null;
if (_.options.autoplay === true && _.paused === false) {
_.autoPlay();
}
};
Slick.prototype.prev = Slick.prototype.slickPrev = function() {
var _ = this;
_.changeSlide({
data: {
message: 'previous'
}
});
};
Slick.prototype.preventDefault = function(e) {
e.preventDefault();
};
Slick.prototype.progressiveLazyLoad = function() {
var _ = this,
imgCount, targetImage;
imgCount = $('img[data-lazy]', _.$slider).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();
if (_.options.adaptiveHeight === true) {
_.setPosition();
}
})
.error(function() {
targetImage.removeAttr('data-lazy');
_.progressiveLazyLoad();
});
}
};
Slick.prototype.refresh = function() {
var _ = this,
currentSlide = _.currentSlide;
_.destroy();
$.extend(_, _.initials);
_.init();
_.changeSlide({
data: {
message: 'index',
index: currentSlide
}
}, false);
};
Slick.prototype.reinit = function() {
var _ = this;
_.$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;
}
_.setProps();
_.setupInfinite();
_.buildArrows();
_.updateArrows();
_.initArrowEvents();
_.buildDots();
_.updateDots();
_.initDotEvents();
if (_.options.focusOnSelect === true) {
$(_.$slideTrack).children().on('click.slick', _.selectHandler);
}
_.setSlideClasses(0);
_.setPosition();
_.$slider.trigger('reInit', [_]);
};
Slick.prototype.resize = function() {
var _ = this;
if ($(window).width() !== _.windowWidth) {
clearTimeout(_.windowDelay);
_.windowDelay = window.setTimeout(function() {
_.windowWidth = $(window).width();
_.checkResponsive();
_.setPosition();
}, 50);
}
};
Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) {
var _ = this;
if (typeof(index) === 'boolean') {
removeBefore = index;
index = removeBefore === true ? 0 : _.slideCount - 1;
} else {
index = removeBefore === true ? --index : index;
}
if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) {
return false;
}
_.unload();
if (removeAll === true) {
_.$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: 800,
opacity: 0
});
} else {
$(element).css({
position: 'relative',
left: targetLeft,
top: 0,
zIndex: 800,
opacity: 0
});
}
});
_.$slides.eq(_.currentSlide).css({
zIndex: 900,
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(option, value, refresh) {
var _ = this;
_.options[option] = value;
if (refresh === true) {
_.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 {
_.$slider.removeClass('slick-vertical');
}
if (bodyStyle.WebkitTransition !== undefined ||
bodyStyle.MozTransition !== undefined ||
bodyStyle.msTransition !== undefined) {
if (_.options.useCSS === true) {
_.cssTransitions = true;
}
}
if (bodyStyle.OTransform !== undefined) {
_.animType = 'OTransform';
_.transformType = '-o-transform';
_.transitionType = 'OTransition';
if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
}
if (bodyStyle.MozTransform !== undefined) {
_.animType = 'MozTransform';
_.transformType = '-moz-transform';
_.transitionType = 'MozTransition';
if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false;
}
if (bodyStyle.webkitTransform !== undefined) {
_.animType = 'webkitTransform';
_.transformType = '-webkit-transform';
_.transitionType = 'webkitTransition';
if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
}
if (bodyStyle.msTransform !== undefined) {
_.animType = 'msTransform';
_.transformType = '-ms-transform';
_.transitionType = 'msTransition';
if (bodyStyle.msTransform === undefined) _.animType = false;
}
if (bodyStyle.transform !== undefined && _.animType !== false) {
_.animType = 'transform';
_.transformType = 'transform';
_.transitionType = 'transition';
}
_.transformsEnabled = (_.animType !== null && _.animType !== false);
};
Slick.prototype.setSlideClasses = function(index) {
var _ = this,
centerOffset, allSlides, indexOffset, remainder;
_.$slider.find('.slick-slide').removeClass('slick-active').attr('aria-hidden', 'true').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').attr('aria-hidden', 'false');
} else {
indexOffset = _.options.slidesToShow + index;
allSlides.slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2).addClass('slick-active').attr('aria-hidden', 'false');
}
if (index === 0) {
allSlides.eq(allSlides.length - 1 - _.options.slidesToShow).addClass('slick-center');
} else if (index === _.slideCount - 1) {
allSlides.eq(_.options.slidesToShow).addClass('slick-center');
}
}
_.$slides.eq(index).addClass('slick-center');
} else {
if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {
_.$slides.slice(index, index + _.options.slidesToShow).addClass('slick-active').attr('aria-hidden', 'false');
} else if (allSlides.length <= _.options.slidesToShow) {
allSlides.addClass('slick-active').attr('aria-hidden', 'false');
} else {
remainder = _.slideCount % _.options.slidesToShow;
indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;
if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) {
allSlides.slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder).addClass('slick-active').attr('aria-hidden', 'false');
} else {
allSlides.slice(indexOffset, indexOffset + _.options.slidesToShow).addClass('slick-active').attr('aria-hidden', 'false');
}
}
}
if (_.options.lazyLoad === 'ondemand') {
_.lazyLoad();
}
};
Slick.prototype.setupInfinite = function() {
var _ = this,
i, slideIndex, infiniteCount;
if (_.options.fade === true) {
_.options.centerMode = false;
}
if (_.options.infinite === true && _.options.fade === false) {
slideIndex = null;
if (_.slideCount > _.options.slidesToShow) {
if (_.options.centerMode === true) {
infiniteCount = _.options.slidesToShow + 1;
} else {
infiniteCount = _.options.slidesToShow;
}
for (i = _.slideCount; i > (_.slideCount -
infiniteCount); i -= 1) {
slideIndex = i - 1;
$(_.$slides[slideIndex]).clone(true).attr('id', '')
.attr('data-slick-index', slideIndex - _.slideCount)
.prependTo(_.$slideTrack).addClass('slick-cloned');
}
for (i = 0; i < infiniteCount; i += 1) {
slideIndex = i;
$(_.$slides[slideIndex]).clone(true).attr('id', '')
.attr('data-slick-index', slideIndex + _.slideCount)
.appendTo(_.$slideTrack).addClass('slick-cloned');
}
_.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
$(this).attr('id', '');
});
}
}
};
Slick.prototype.setPaused = function(paused) {
var _ = this;
if (_.options.autoplay === true && _.options.pauseOnHover === true) {
_.paused = paused;
if (!paused) {
_.autoPlay();
} else {
_.autoPlayClear();
}
}
};
Slick.prototype.selectHandler = function(event) {
var _ = this;
var targetElement = $(event.target).is('.slick-slide') ?
$(event.target) :
$(event.target).parents('.slick-slide');
var index = parseInt(targetElement.attr('data-slick-index'));
if (!index) index = 0;
if (_.slideCount <= _.options.slidesToShow) {
_.$slider.find('.slick-slide').removeClass('slick-active').attr('aria-hidden', 'true');
_.$slides.eq(index).addClass('slick-active').attr("aria-hidden", "false");
if (_.options.centerMode === true) {
_.$slider.find('.slick-slide').removeClass('slick-center');
_.$slides.eq(index).addClass('slick-center');
}
_.asNavFor(index);
return;
}
_.slideHandler(index);
};
Slick.prototype.slideHandler = function(index, sync, dontAnimate) {
var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null,
_ = this;
sync = sync || false;
if (_.animating === true && _.options.waitForAnimate === true) {
return;
}
if (_.options.fade === true && _.currentSlide === index) {
return;
}
if (_.slideCount <= _.options.slidesToShow) {
return;
}
if (sync === false) {
_.asNavFor(index);
}
targetSlide = index;
targetLeft = _.getLeft(targetSlide);
slideLeft = _.getLeft(_.currentSlide);
_.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;
if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) {
if (_.options.fade === false) {
targetSlide = _.currentSlide;
if (dontAnimate !== true) {
_.animateSlide(slideLeft, function() {
_.postSlide(targetSlide);
});
} else {
_.postSlide(targetSlide);
}
}
return;
} else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
if (_.options.fade === false) {
targetSlide = _.currentSlide;
if (dontAnimate !== true) {
_.animateSlide(slideLeft, function() {
_.postSlide(targetSlide);
});
} else {
_.postSlide(targetSlide);
}
}
return;
}
if (_.options.autoplay === true) {
clearInterval(_.autoPlayTimer);
}
if (targetSlide < 0) {
if (_.slideCount % _.options.slidesToScroll !== 0) {
animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
} else {
animSlide = _.slideCount + targetSlide;
}
} else if (targetSlide >= _.slideCount) {
if (_.slideCount % _.options.slidesToScroll !== 0) {
animSlide = 0;
} else {
animSlide = targetSlide - _.slideCount;
}
} else {
animSlide = targetSlide;
}
_.animating = true;
_.$slider.trigger("beforeChange", [_, _.currentSlide, animSlide]);
oldSlide = _.currentSlide;
_.currentSlide = animSlide;
_.setSlideClasses(_.currentSlide);
_.updateDots();
_.updateArrows();
if (_.options.fade === true) {
if (dontAnimate !== true) {
_.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 'left';
} else {
return 'right';
}
}
return 'vertical';
};
Slick.prototype.swipeEnd = function(event) {
var _ = this,
slideCount;
_.dragging = false;
_.shouldClick = (_.touchObject.swipeLength > 10) ? false : true;
if (_.touchObject.curX === undefined) {
return false;
}
if (_.touchObject.edgeHit === true) {
_.$slider.trigger("edge", [_, _.swipeDirection()]);
}
if (_.touchObject.swipeLength >= _.touchObject.minSwipe) {
switch (_.swipeDirection()) {
case 'left':
slideCount = _.options.swipeToSlide ? _.checkNavigable(_.currentSlide + _.getSlideCount()) : _.currentSlide + _.getSlideCount();
_.slideHandler(slideCount);
_.currentDirection = 0;
_.touchObject = {};
_.$slider.trigger("swipe", [_, "left"]);
break;
case 'right':
slideCount = _.options.swipeToSlide ? _.checkNavigable(_.currentSlide - _.getSlideCount()) : _.currentSlide - _.getSlideCount();
_.slideHandler(slideCount);
_.currentDirection = 1;
_.touchObject = {};
_.$slider.trigger("swipe", [_, "right"]);
break;
}
} else {
if (_.touchObject.startX !== _.touchObject.curX) {
_.slideHandler(_.currentSlide);
_.touchObject = {};
}
}
};
Slick.prototype.swipeHandler = function(event) {
var _ = this;
if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) {
return;
} else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) {
return;
}
_.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ?
event.originalEvent.touches.length : 1;
_.touchObject.minSwipe = _.listWidth / _.options
.touchThreshold;
if (_.options.verticalSwiping === true) {
_.touchObject.minSwipe = _.listHeight / _.options
.touchThreshold;
}
switch (event.data.action) {
case 'start':
_.swipeStart(event);
break;
case 'move':
_.swipeMove(event);
break;
case 'end':
_.swipeEnd(event);
break;
}
};
Slick.prototype.swipeMove = function(event) {
var _ = this,
edgeWasHit = false,
curLeft, swipeDirection, swipeLength, positionOffset, touches;
touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;
if (!_.dragging || touches && touches.length !== 1) {
return false;
}
curLeft = _.getLeft(_.currentSlide);
_.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX;
_.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY;
_.touchObject.swipeLength = Math.round(Math.sqrt(
Math.pow(_.touchObject.curX - _.touchObject.startX, 2)));
if (_.options.verticalSwiping === true) {
_.touchObject.swipeLength = Math.round(Math.sqrt(
Math.pow(_.touchObject.curY - _.touchObject.startY, 2)));
}
swipeDirection = _.swipeDirection();
if (swipeDirection === 'vertical') {
return;
}
if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) {
event.preventDefault();
}
positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1);
if (_.options.verticalSwiping === true) {
positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1;
}
swipeLength = _.touchObject.swipeLength;
_.touchObject.edgeHit = false;
if (_.options.infinite === false) {
if ((_.currentSlide === 0 && swipeDirection === "right") || (_.currentSlide >= _.getDotCount() && swipeDirection === "left")) {
swipeLength = _.touchObject.swipeLength * _.options.edgeFriction;
_.touchObject.edgeHit = true;
}
}
if (_.options.vertical === false) {
_.swipeLeft = curLeft + swipeLength * positionOffset;
} else {
_.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset;
}
if (_.options.verticalSwiping === true) {
_.swipeLeft = curLeft + swipeLength * positionOffset;
}
if (_.options.fade === true || _.options.touchMove === false) {
return false;
}
if (_.animating === true) {
_.swipeLeft = null;
return false;
}
_.setCSS(_.swipeLeft);
};
Slick.prototype.swipeStart = function(event) {
var _ = this,
touches;
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 (_.$prevArrow && (typeof _.options.prevArrow !== 'object')) {
_.$prevArrow.remove();
}
if (_.$nextArrow && (typeof _.options.nextArrow !== 'object')) {
_.$nextArrow.remove();
}
_.$slides.removeClass('slick-slide slick-active slick-visible').attr("aria-hidden", "true").css('width', '');
};
Slick.prototype.unslick = function() {
var _ = this;
_.destroy();
};
Slick.prototype.updateArrows = function() {
var _ = this,
centerOffset;
centerOffset = Math.floor(_.options.slidesToShow / 2);
if (_.options.arrows === true && _.options.infinite !==
true && _.slideCount > _.options.slidesToShow) {
_.$prevArrow.removeClass('slick-disabled');
_.$nextArrow.removeClass('slick-disabled');
if (_.currentSlide === 0) {
_.$prevArrow.addClass('slick-disabled');
_.$nextArrow.removeClass('slick-disabled');
} else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) {
_.$nextArrow.addClass('slick-disabled');
_.$prevArrow.removeClass('slick-disabled');
} else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) {
_.$nextArrow.addClass('slick-disabled');
_.$prevArrow.removeClass('slick-disabled');
}
}
};
Slick.prototype.updateDots = function() {
var _ = this;
if (_.$dots !== null) {
_.$dots.find('li').removeClass('slick-active').attr("aria-hidden", "true");
_.$dots.find('li').eq(Math.floor(_.currentSlide / _.options.slidesToScroll)).addClass('slick-active').attr("aria-hidden", "false");
}
};
Slick.prototype.visibility = function() {
var _ = this;
if (document[_.hidden]) {
_.paused = true;
_.autoPlayClear();
} else {
if (_.options.autoplay === true) {
_.paused = false;
_.autoPlay();
}
}
};
$.fn.slick = function() {
var _ = this,
opt = arguments[0],
args = Array.prototype.slice.call(arguments, 1),
l = _.length,
i = 0,
ret;
for (i; 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 _;
};
}));