/*
_ _ _ _
___| (_) ___| | __ (_)___
/ __| | |/ __| |/ / | / __|
\__ \ | | (__| < _ | \__ \
|___/_|_|\___|_|\_(_)/ |___/
|__/
Version: 1.5.7
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 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: '',
nextArrow: '',
autoplay: false,
autoplaySpeed: 3000,
centerMode: false,
centerPadding: '50px',
cssEase: 'ease',
customPaging: function ( slider, i ) {
return '';
},
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,
zIndex: 1000
};
_.initials = {
animating: false,
dragging: false,
autoPlayTimer: null,
currentDirection: 0,
currentLeft: null,
currentSlide: 0,
direction: 1,
$dots: null,
listWidth: null,
listHeight: null,
loadIndex: 0,
$nextArrow: null,
$prevArrow: null,
slideCount: null,
slideWidth: null,
$slideTrack: null,
$slides: null,
sliding: false,
slideOffset: 0,
swipeLeft: null,
$list: null,
touchObject: { },
transformsEnabled: false,
unslicked: false
};
$.extend( _, _.initials );
_.activeBreakpoint = null;
_.animType = null;
_.animProp = null;
_.breakpoints = [ ];
_.breakpointSettings = [ ];
_.cssTransitions = false;
_.hidden = 'hidden';
_.paused = false;
_.positionProp = null;
_.respondTo = null;
_.rowCount = 1;
_.shouldClick = true;
_.$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;
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 = $.proxy( _.autoPlayIterator, _ );
_.instanceUid = instanceUid++;
// A simple way to check for HTML strings
// Strict HTML recognition (must start with <)
// Extracted from jQuery v1.11 source
_.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;
_.registerBreakpoints();
_.init( true );
_.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;
if ( asNavFor && asNavFor !== null ) {
asNavFor = $( asNavFor ).not( _.$slider );
}
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 {
_.$slides.eq( slide ).css( transition );
}
};
Slick.prototype.autoPlay = function () {
var _ = this;
if ( _.autoPlayTimer ) {
clearInterval( _.autoPlayTimer );
}
if ( _.slideCount > _.options.slidesToShow && _.paused !== true ) {
_.autoPlayTimer = setInterval( _.autoPlayIterator,
_.options.autoplaySpeed );
}
};
Slick.prototype.autoPlayClear = function () {
var _ = this;
if ( _.autoPlayTimer ) {
clearInterval( _.autoPlayTimer );
}
};
Slick.prototype.autoPlayIterator = function () {
var _ = this;
if ( _.options.infinite === false ) {
if ( _.direction === 1 ) {
if ( ( _.currentSlide + 1 ) === _.slideCount -
1 ) {
_.direction = 0;
}
_.slideHandler( _.currentSlide + _.options.slidesToScroll );
} else {
if ( ( _.currentSlide - 1 === 0 ) ) {
_.direction = 1;
}
_.slideHandler( _.currentSlide - _.options.slidesToScroll );
}
} else {
_.slideHandler( _.currentSlide + _.options.slidesToScroll );
}
};
Slick.prototype.buildArrows = function () {
var _ = this;
if ( _.options.arrows === true ) {
_.$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, dotString;
if ( _.options.dots === true && _.slideCount > _.options.slidesToShow ) {
dotString = '
';
for ( i = 0; i <= _.getDotCount(); i += 1 ) {
dotString += '- ' + _.options.customPaging.call( this, _, i ) + '
';
}
dotString += '
';
_.$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( _.options.slide + ':not(.slick-cloned)' )
.addClass( 'slick-slide' );
_.slideCount = _.$slides.length;
_.$slides.each( function ( index, element ) {
$( element )
.attr( 'data-slick-index', index )
.data( 'originalStyling', $( element ).attr( 'style' ) || '' );
} );
_.$slidesCache = _.$slides;
_.$slider.addClass( 'slick-slider' );
_.$slideTrack = ( _.slideCount === 0 ) ?
$( '' ).appendTo( _.$slider ) :
_.$slides.wrapAll( '' ).parent();
_.$list = _.$slideTrack.wrap(
'' ).parent();
_.$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 );
}
_.$slider.html( newSlides );
_.$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.target ),
indexOffset, slideOffset, unevenOffset;
// If target is a link, prevent default action.
if ( $target.is( 'a' ) ) {
event.preventDefault();
}
// If target is not the element (ie: a child), find the .
if ( !$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 );
if ( _.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 ( refresh ) {
var _ = this;
_.autoPlayClear();
_.touchObject = { };
_.cleanUpEvents();
$( '.slick-cloned', _.$slider ).detach();
if ( _.$dots ) {
_.$dots.remove();
}
if ( _.options.arrows === true ) {
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' );
_.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 ) {
_.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( true );
if ( _.options.infinite === true ) {
if ( _.slideCount > _.options.slidesToShow ) {
_.slideOffset = ( _.slideWidth * _.options.slidesToShow ) * -1;
verticalOffset = ( verticalHeight * _.options.slidesToShow ) * -1;
}
if ( _.slideCount % _.options.slidesToScroll !== 0 ) {
if ( slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow ) {
if ( slideIndex > _.slideCount ) {
_.slideOffset = ( ( _.options.slidesToShow - ( slideIndex - _.slideCount ) ) * _.slideWidth ) * -1;
verticalOffset = ( ( _.options.slidesToShow - ( slideIndex - _.slideCount ) ) * verticalHeight ) * -1;
} else {
_.slideOffset = ( ( _.slideCount % _.options.slidesToScroll ) * _.slideWidth ) * -1;
verticalOffset = ( ( _.slideCount % _.options.slidesToScroll ) * verticalHeight ) * -1;
}
}
}
} else {
if ( slideIndex + _.options.slidesToShow > _.slideCount ) {
_.slideOffset = ( ( slideIndex + _.options.slidesToShow ) - _.slideCount ) * _.slideWidth;
verticalOffset = ( ( slideIndex + _.options.slidesToShow ) - _.slideCount ) * verticalHeight;
}
}
if ( _.slideCount <= _.options.slidesToShow ) {
_.slideOffset = 0;
verticalOffset = 0;
}
if ( _.options.centerMode === true && _.options.infinite === true ) {
_.slideOffset += _.slideWidth * Math.floor( _.options.slidesToShow / 2 ) - _.slideWidth;
} else if ( _.options.centerMode === true ) {
_.slideOffset = 0;
_.slideOffset += _.slideWidth * Math.floor( _.options.slidesToShow / 2 );
}
if ( _.options.vertical === false ) {
targetLeft = ( ( slideIndex * _.slideWidth ) * -1 ) + _.slideOffset;
} else {
targetLeft = ( ( slideIndex * verticalHeight ) * -1 ) + verticalOffset;
}
if ( _.options.variableWidth === true ) {
if ( _.slideCount <= _.options.slidesToShow || _.options.infinite === false ) {
targetSlide = _.$slideTrack.children( '.slick-slide' ).eq( slideIndex );
} else {
targetSlide = _.$slideTrack.children( '.slick-slide' ).eq( slideIndex + _.options.slidesToShow );
}
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 += ( _.$list.width() - targetSlide.outerWidth() ) / 2;
}
}
return targetLeft;
};
Slick.prototype.getOption = Slick.prototype.slickGetOption = function ( option ) {
var _ = this;
return _.options[option];
};
Slick.prototype.getNavigableIndexes = function () {
var _ = this,
breakPoint = 0,
counter = 0,
indexes = [ ],
max;
if ( _.options.infinite === false ) {
max = _.slideCount;
} else {
breakPoint = _.options.slidesToScroll * -1;
counter = _.options.slidesToScroll * -1;
max = _.slideCount * 2;
}
while ( breakPoint < max ) {
indexes.push( breakPoint );
breakPoint = counter + _.options.slidesToScroll;
counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
}
return indexes;
};
Slick.prototype.getSlick = function () {
return this;
};
Slick.prototype.getSlideCount = function () {
var _ = this,
slidesTraversed, swipedSlide, centerOffset;
centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor( _.options.slidesToShow / 2 ) : 0;
if ( _.options.swipeToSlide === true ) {
_.$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();
}
if ( creation ) {
_.$slider.trigger( 'init', [ _ ] );
}
if ( _.options.accessibility === true ) {
_.initADA();
}
};
Slick.prototype.initArrowEvents = function () {
var _ = this;
if ( _.options.arrows === true && _.slideCount > _.options.slidesToShow ) {
_.$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;
//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: '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 = $( this ).attr( 'data-lazy' ),
imageToLoad = document.createElement( 'img' );
imageToLoad.onload = function () {
image
.animate( { opacity: 0 }, 100, function () {
image
.attr( 'src', imageSource )
.animate( { opacity: 1 }, 200, function () {
image
.removeAttr( 'data-lazy' )
.removeClass( 'slick-loading' );
} );
} );
};
imageToLoad.src = imageSource;
} );
}
if ( _.options.centerMode === true ) {
if ( _.options.infinite === true ) {
rangeStart = _.currentSlide + ( _.options.slidesToShow / 2 + 1 );
rangeEnd = rangeStart + _.options.slidesToShow + 2;
} else {
rangeStart = Math.max( 0, _.currentSlide - ( _.options.slidesToShow / 2 + 1 ) );
rangeEnd = 2 + ( _.options.slidesToShow / 2 + 1 ) + _.currentSlide;
}
} else {
rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
rangeEnd = rangeStart + _.options.slidesToShow;
if ( _.options.fade === true ) {
if ( rangeStart > 0 )
rangeStart--;
if ( rangeEnd <= _.slideCount )
rangeEnd++;
}
}
loadRange = _.$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();
}
if ( _.options.accessibility === true ) {
_.initADA();
}
};
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 ( initializing ) {
var _ = this,
currentSlide = _.currentSlide;
_.destroy( true );
$.extend( _, _.initials, { currentSlide: currentSlide } );
_.init();
if ( !initializing ) {
_.changeSlide( {
data: {
message: 'index',
index: currentSlide
}
}, false );
}
};
Slick.prototype.registerBreakpoints = function () {
var _ = this, breakpoint, currentBreakpoint, l,
responsiveSettings = _.options.responsive || null;
if ( $.type( responsiveSettings ) === "array" && responsiveSettings.length ) {
_.respondTo = _.options.respondTo || 'window';
for ( breakpoint in responsiveSettings ) {
l = _.breakpoints.length - 1;
currentBreakpoint = responsiveSettings[breakpoint].breakpoint;
if ( responsiveSettings.hasOwnProperty( breakpoint ) ) {
// loop through the breakpoints and cut out any existing
// ones with the same breakpoint number, we don't want dupes.
while ( l >= 0 ) {
if ( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) {
_.breakpoints.splice( l, 1 );
}
l--;
}
_.breakpoints.push( currentBreakpoint );
_.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;
}
}
_.breakpoints.sort( function ( a, b ) {
return ( _.options.mobileFirst ) ? a - b : b - a;
} );
}
};
Slick.prototype.reinit = function () {
var _ = this;
_.$slides =
_.$slideTrack
.children( _.options.slide )
.addClass( 'slick-slide' );
_.slideCount = _.$slides.length;
if ( _.currentSlide >= _.slideCount && _.currentSlide !== 0 ) {
_.currentSlide = _.currentSlide - _.options.slidesToScroll;
}
if ( _.slideCount <= _.options.slidesToShow ) {
_.currentSlide = 0;
}
_.registerBreakpoints();
_.setProps();
_.setupInfinite();
_.buildArrows();
_.updateArrows();
_.initArrowEvents();
_.buildDots();
_.updateDots();
_.initDotEvents();
_.checkResponsive( false, true );
if ( _.options.focusOnSelect === true ) {
$( _.$slideTrack ).children().on( 'click.slick', _.selectHandler );
}
_.setSlideClasses( 0 );
_.setPosition();
_.$slider.trigger( 'reInit', [ _ ] );
if ( _.options.autoplay === true ) {
_.focusHandler();
}
};
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 ( option, value, refresh ) {
var _ = this, l, item;
if ( option === "responsive" && $.type( value ) === "array" ) {
for ( item in value ) {
if ( $.type( _.options.responsive ) !== "array" ) {
_.options.responsive = [ value[item] ];
} else {
l = _.options.responsive.length - 1;
// loop through the responsive object and splice out duplicates.
while ( l >= 0 ) {
if ( _.options.responsive[l].breakpoint === value[item].breakpoint ) {
_.options.responsive.splice( l, 1 );
}
l--;
}
_.options.responsive.push( value[item] );
}
}
} else {
_.options[option] = value;
}
if ( refresh === true ) {
_.unload();
_.reinit();
}
};
Slick.prototype.setPosition = function () {
var _ = this;
_.setDimensions();
_.setHeight();
if ( _.options.fade === false ) {
_.setCSS( _.getLeft( _.currentSlide ) );
} else {
_.setFade();
}
_.$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 ( _.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 = ( _.animType !== null && _.animType !== false );
};
Slick.prototype.setSlideClasses = function ( index ) {
var _ = this,
centerOffset, allSlides, indexOffset, remainder;
allSlides = _.$slider
.find( '.slick-slide' )
.removeClass( 'slick-active slick-center slick-current' )
.attr( 'aria-hidden', 'true' );
_.$slides
.eq( index )
.addClass( 'slick-current' );
if ( _.options.centerMode === true ) {
centerOffset = Math.floor( _.options.slidesToShow / 2 );
if ( _.options.infinite === true ) {
if ( index >= centerOffset && index <= ( _.slideCount - 1 ) - centerOffset ) {
_.$slides
.slice( index - centerOffset, index + centerOffset + 1 )
.addClass( 'slick-active' )
.attr( 'aria-hidden', 'false' );
} else {
indexOffset = _.options.slidesToShow + index;
allSlides
.slice( indexOffset - centerOffset + 1, indexOffset + centerOffset + 2 )
.addClass( 'slick-active' )
.attr( 'aria-hidden', 'false' );
}
if ( index === 0 ) {
allSlides
.eq( allSlides.length - 1 - _.options.slidesToShow )
.addClass( 'slick-center' );
} else if ( index === _.slideCount - 1 ) {
allSlides
.eq( _.options.slidesToShow )
.addClass( 'slick-center' );
}
}
_.$slides
.eq( index )
.addClass( 'slick-center' );
} else {
if ( index >= 0 && index <= ( _.slideCount - _.options.slidesToShow ) ) {
_.$slides
.slice( index, index + _.options.slidesToShow )
.addClass( 'slick-active' )
.attr( 'aria-hidden', 'false' );
} else if ( allSlides.length <= _.options.slidesToShow ) {
allSlides
.addClass( 'slick-active' )
.attr( 'aria-hidden', 'false' );
} else {
remainder = _.slideCount % _.options.slidesToShow;
indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;
if ( _.options.slidesToShow == _.options.slidesToScroll && ( _.slideCount - index ) < _.options.slidesToShow ) {
allSlides
.slice( indexOffset - ( _.options.slidesToShow - remainder ), indexOffset + remainder )
.addClass( 'slick-active' )
.attr( 'aria-hidden', 'false' );
} else {
allSlides
.slice( indexOffset, indexOffset + _.options.slidesToShow )
.addClass( 'slick-active' )
.attr( 'aria-hidden', 'false' );
}
}
}
if ( _.options.lazyLoad === 'ondemand' ) {
_.lazyLoad();
}
};
Slick.prototype.setupInfinite = function () {
var _ = this,
i, slideIndex, infiniteCount;
if ( _.options.fade === true ) {
_.options.centerMode = false;
}
if ( _.options.infinite === true && _.options.fade === false ) {
slideIndex = null;
if ( _.slideCount > _.options.slidesToShow ) {
if ( _.options.centerMode === true ) {
infiniteCount = _.options.slidesToShow + 1;
} else {
infiniteCount = _.options.slidesToShow;
}
for ( i = _.slideCount; i > ( _.slideCount -
infiniteCount ); i -= 1 ) {
slideIndex = i - 1;
$( _.$slides[slideIndex] ).clone( true ).attr( 'id', '' )
.attr( 'data-slick-index', slideIndex - _.slideCount )
.prependTo( _.$slideTrack ).addClass( 'slick-cloned' );
}
for ( i = 0; i < infiniteCount; i += 1 ) {
slideIndex = i;
$( _.$slides[slideIndex] ).clone( true ).attr( 'id', '' )
.attr( 'data-slick-index', slideIndex + _.slideCount )
.appendTo( _.$slideTrack ).addClass( 'slick-cloned' );
}
_.$slideTrack.find( '.slick-cloned' ).find( '[id]' ).each( function () {
$( this ).attr( 'id', '' );
} );
}
}
};
Slick.prototype.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 ) {
_.setSlideClasses( index );
_.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 ) {
_.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 '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 ( _.$prevArrow && _.htmlExpr.test( _.options.prevArrow ) ) {
_.$prevArrow.remove();
}
if ( _.$nextArrow && _.htmlExpr.test( _.options.nextArrow ) ) {
_.$nextArrow.remove();
}
_.$slides
.removeClass( 'slick-slide slick-active slick-visible slick-current' )
.attr( 'aria-hidden', 'true' )
.css( 'width', '' );
};
Slick.prototype.unslick = function ( fromBreakpoint ) {
var _ = this;
_.$slider.trigger( 'unslick', [ _, fromBreakpoint ] );
_.destroy();
};
Slick.prototype.updateArrows = function () {
var _ = this,
centerOffset;
centerOffset = Math.floor( _.options.slidesToShow / 2 );
if ( _.options.arrows === true &&
_.slideCount > _.options.slidesToShow &&
!_.options.infinite ) {
_.$prevArrow.removeClass( 'slick-disabled' ).attr( 'aria-disabled', 'false' );
_.$nextArrow.removeClass( 'slick-disabled' ).attr( 'aria-disabled', 'false' );
if ( _.currentSlide === 0 ) {
_.$prevArrow.addClass( 'slick-disabled' ).attr( 'aria-disabled', 'true' );
_.$nextArrow.removeClass( 'slick-disabled' ).attr( 'aria-disabled', 'false' );
} else if ( _.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false ) {
_.$nextArrow.addClass( 'slick-disabled' ).attr( 'aria-disabled', 'true' );
_.$prevArrow.removeClass( 'slick-disabled' ).attr( 'aria-disabled', 'false' );
} else if ( _.currentSlide >= _.slideCount - 1 && _.options.centerMode === true ) {
_.$nextArrow.addClass( 'slick-disabled' ).attr( 'aria-disabled', 'true' );
_.$prevArrow.removeClass( 'slick-disabled' ).attr( 'aria-disabled', 'false' );
}
}
};
Slick.prototype.updateDots = function () {
var _ = this;
if ( _.$dots !== null ) {
_.$dots
.find( 'li' )
.removeClass( 'slick-active' )
.attr( 'aria-hidden', 'true' );
_.$dots
.find( 'li' )
.eq( Math.floor( _.currentSlide / _.options.slidesToScroll ) )
.addClass( 'slick-active' )
.attr( 'aria-hidden', 'false' );
}
};
Slick.prototype.visibility = function () {
var _ = this;
if ( document[_.hidden] ) {
_.paused = true;
_.autoPlayClear();
} else {
if ( _.options.autoplay === true ) {
_.paused = false;
_.autoPlay();
}
}
};
Slick.prototype.initADA = function () {
var _ = this;
_.$slides.add( _.$slideTrack.find( '.slick-cloned' ) ).attr( {
'aria-hidden': 'true',
'tabindex': '-1'
} ).find( 'a, input, button, select' ).attr( {
'tabindex': '-1'
} );
_.$slideTrack.attr( 'role', 'listbox' );
_.$slides.not( _.$slideTrack.find( '.slick-cloned' ) ).each( function ( i ) {
$( this ).attr( {
'role': 'option',
'aria-describedby': 'slick-slide' + _.instanceUid + i + ''
} );
} );
if ( _.$dots !== null ) {
_.$dots.attr( 'role', 'tablist' ).find( 'li' ).each( function ( i ) {
$( this ).attr( {
'role': 'presentation',
'aria-selected': 'false',
'aria-controls': 'navigation' + _.instanceUid + i + '',
'id': 'slick-slide' + _.instanceUid + i + ''
} );
} )
.first().attr( 'aria-selected', 'true' ).end()
.find( 'button' ).attr( 'role', 'button' ).end()
.closest( 'div' ).attr( 'role', 'toolbar' );
}
_.activateADA();
};
Slick.prototype.activateADA = function () {
var _ = this,
_isSlideOnFocus = _.$slider.find( '*' ).is( ':focus' );
// _isSlideOnFocus = _.$slides.is(':focus') || _.$slides.find('*').is(':focus');
_.$slideTrack.find( '.slick-active' ).attr( {
'aria-hidden': 'false',
'tabindex': '0'
} ).find( 'a, input, button, select' ).attr( {
'tabindex': '0'
} );
( _isSlideOnFocus ) && _.$slideTrack.find( '.slick-active' ).focus();
};
Slick.prototype.focusHandler = function () {
var _ = this;
_.$slider.on( 'focus.slick blur.slick', '*', function ( event ) {
event.stopImmediatePropagation();
var sf = $( this );
setTimeout( function () {
if ( _.isPlay ) {
if ( sf.is( ':focus' ) ) {
_.autoPlayClear();
_.paused = true;
} else {
_.paused = false;
_.autoPlay();
}
}
}, 0 );
} );
};
$.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 _;
};
} ) );