AlkantarClanX12
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/* @preserve
_____ __ _ __ _
/ ___// /(_)___/ /___ ____ (_)___
/ (_ // // // _ // -_)/ __/_ / /(_-<
\___//_//_/ \_,_/ \__//_/ (_)__/ //___/
|___/
Version: 1.7.4
Author: Nick Piscitelli (pickykneee)
Website: https://nickpiscitelli.com
Documentation: http://nickpiscitelli.github.io/Glider.js
License: MIT License
Release Date: October 25th, 2018
*/
/* global define */
(function (factory) {
typeof define === 'function' && define.amd
? define(factory)
: typeof exports === 'object'
? (module.exports = factory())
: factory()
})(function () {
('use strict') // eslint-disable-line no-unused-expressions
/* globals window:true */
var _window = typeof window !== 'undefined' ? window : this
var Glider = (_window.Glider = function (element, settings) {
var _ = this
if (element._glider) return element._glider
_.ele = element
_.ele.classList.add('glider')
// expose glider object to its DOM element
_.ele._glider = _
// merge user setting with defaults
_.opt = Object.assign(
{},
{
slidesToScroll: 1,
slidesToShow: 1,
resizeLock: true,
duration: 0.5,
passiveListeners: false,
// easeInQuad
easing: function (x, t, b, c, d) {
return c * (t /= d) * t + b
}
},
settings
)
// set defaults
_.animate_id = _.page = _.slide = 0
_.arrows = {}
// preserve original options to
// extend breakpoint settings
_._opt = _.opt
if (_.opt.skipTrack) {
// first and only child is the track
_.track = _.ele.children[0]
} else {
// create track and wrap slides
_.track = document.createElement('div')
_.ele.appendChild(_.track)
while (_.ele.children.length !== 1) {
_.track.appendChild(_.ele.children[0])
}
}
_.track.classList.add('glider-track')
// start glider
_.init()
// set events
_.resize = _.init.bind(_, true)
_.event(
_.ele,
'add',
{
scroll: _.updateControls.bind(_)
},
{ passive: _.opt.passiveListeners }
)
_.event(_window, 'add', {
resize: _.resize
})
})
var gliderPrototype = Glider.prototype
gliderPrototype.init = function (refresh, paging) {
var _ = this
var width = 0
var height = 0
_.slides = _.track.children;
[].forEach.call(_.slides, function (_, i) {
_.classList.add('glider-slide')
_.setAttribute('data-gslide', i)
})
_.containerWidth = _.ele.clientWidth
var breakpointChanged = _.settingsBreakpoint()
if (!paging) paging = breakpointChanged
if (
_.opt.slidesToShow === 'auto' ||
typeof _.opt._autoSlide !== 'undefined'
) {
var slideCount = _.containerWidth / _.opt.itemWidth
_.opt._autoSlide = _.opt.slidesToShow = _.opt.exactWidth
? slideCount
: Math.max(1, Math.floor(slideCount))
}
if (_.opt.slidesToScroll === 'auto') {
_.opt.slidesToScroll = Math.floor(_.opt.slidesToShow)
}
_.itemWidth = _.opt.exactWidth
? _.opt.itemWidth
: _.containerWidth / _.opt.slidesToShow;
// set slide dimensions
[].forEach.call(_.slides, function (__) {
__.style.height = 'auto'
__.style.width = _.itemWidth + 'px'
width += _.itemWidth
height = Math.max(__.offsetHeight, height)
})
_.track.style.width = width + 'px'
_.trackWidth = width
_.isDrag = false
_.preventClick = false
_.move = false
_.opt.resizeLock && _.scrollTo(_.slide * _.itemWidth, 0)
if (breakpointChanged || paging) {
_.bindArrows()
_.buildDots()
_.bindDrag()
}
_.updateControls()
_.emit(refresh ? 'refresh' : 'loaded')
}
gliderPrototype.bindDrag = function () {
var _ = this
_.mouse = _.mouse || _.handleMouse.bind(_)
var mouseup = function () {
_.mouseDown = undefined
_.ele.classList.remove('drag')
if (_.isDrag) {
_.preventClick = true
}
_.isDrag = false
}
const move = function () {
_.move = true
}
var events = {
mouseup: mouseup,
mouseleave: mouseup,
mousedown: function (e) {
e.preventDefault()
e.stopPropagation()
_.mouseDown = e.clientX
_.ele.classList.add('drag')
_.move = false
setTimeout(move, 300)
},
touchstart: function (e) {
_.ele.classList.add('drag')
_.move = false
setTimeout(move, 300)
},
mousemove: _.mouse,
click: function (e) {
if (_.preventClick && _.move) {
e.preventDefault()
e.stopPropagation()
}
_.preventClick = false
_.move = false
}
}
_.ele.classList.toggle('draggable', _.opt.draggable === true)
_.event(_.ele, 'remove', events)
if (_.opt.draggable) {
_.event(_.ele, 'add', events, {
passive: _.opt.passiveListeners
})
}
}
gliderPrototype.buildDots = function () {
var _ = this
if (!_.opt.dots) {
if (_.dots) _.dots.innerHTML = ''
return
}
if (typeof _.opt.dots === 'string') {
_.dots = document.querySelector(_.opt.dots)
} else _.dots = _.opt.dots
if (!_.dots) return
_.dots.innerHTML = ''
_.dots.setAttribute('role', 'tablist')
_.dots.classList.add('glider-dots')
for (var i = 0; i < Math.ceil(_.slides.length / _.opt.slidesToShow); ++i) {
var dot = document.createElement('button')
dot.dataset.index = i
dot.setAttribute('aria-label', 'Page ' + (i + 1))
dot.setAttribute('role', 'tab')
dot.className = 'glider-dot ' + (i ? '' : 'active')
_.event(dot, 'add', {
click: _.scrollItem.bind(_, i, true)
})
_.dots.appendChild(dot)
}
}
gliderPrototype.bindArrows = function () {
var _ = this
if (!_.opt.arrows) {
Object.keys(_.arrows).forEach(function (direction) {
var element = _.arrows[direction]
_.event(element, 'remove', { click: element._func })
})
return
}
['prev', 'next'].forEach(function (direction) {
var arrow = _.opt.arrows[direction]
if (arrow) {
if (typeof arrow === 'string') arrow = document.querySelector(arrow)
if (arrow) {
arrow._func = arrow._func || _.scrollItem.bind(_, direction)
_.event(arrow, 'remove', {
click: arrow._func
})
_.event(arrow, 'add', {
click: arrow._func
})
_.arrows[direction] = arrow
}
}
})
}
gliderPrototype.updateControls = function (event) {
var _ = this
if (event && !_.opt.scrollPropagate) {
event.stopPropagation()
}
var disableArrows = _.containerWidth >= _.trackWidth
if (!_.opt.rewind) {
if (_.arrows.prev) {
_.arrows.prev.classList.toggle(
'disabled',
_.ele.scrollLeft <= 0 || disableArrows
)
_.arrows.prev.setAttribute(
'aria-disabled',
_.arrows.prev.classList.contains('disabled')
)
}
if (_.arrows.next) {
_.arrows.next.classList.toggle(
'disabled',
Math.ceil(_.ele.scrollLeft + _.containerWidth) >=
Math.floor(_.trackWidth) || disableArrows
)
_.arrows.next.setAttribute(
'aria-disabled',
_.arrows.next.classList.contains('disabled')
)
}
}
_.slide = Math.round(_.ele.scrollLeft / _.itemWidth)
_.page = Math.round(_.ele.scrollLeft / _.containerWidth)
var middle = _.slide + Math.floor(Math.floor(_.opt.slidesToShow) / 2)
var extraMiddle = Math.floor(_.opt.slidesToShow) % 2 ? 0 : middle + 1
if (Math.floor(_.opt.slidesToShow) === 1) {
extraMiddle = 0
}
// the last page may be less than one half of a normal page width so
// the page is rounded down. when at the end, force the page to turn
if (_.ele.scrollLeft + _.containerWidth >= Math.floor(_.trackWidth)) {
_.page = _.dots ? _.dots.children.length - 1 : 0
}
[].forEach.call(_.slides, function (slide, index) {
var slideClasses = slide.classList
var wasVisible = slideClasses.contains('visible')
var start = _.ele.scrollLeft
var end = _.ele.scrollLeft + _.containerWidth
var itemStart = _.itemWidth * index
var itemEnd = itemStart + _.itemWidth;
[].forEach.call(slideClasses, function (className) {
/^left|right/.test(className) && slideClasses.remove(className)
})
slideClasses.toggle('active', _.slide === index)
if (middle === index || (extraMiddle && extraMiddle === index)) {
slideClasses.add('center')
} else {
slideClasses.remove('center')
slideClasses.add(
[
index < middle ? 'left' : 'right',
Math.abs(index - (index < middle ? middle : extraMiddle || middle))
].join('-')
)
}
var isVisible =
Math.ceil(itemStart) >= Math.floor(start) &&
Math.floor(itemEnd) <= Math.ceil(end)
slideClasses.toggle('visible', isVisible)
if (isVisible !== wasVisible) {
_.emit('slide-' + (isVisible ? 'visible' : 'hidden'), {
slide: index
})
}
})
if (_.dots) {
[].forEach.call(_.dots.children, function (dot, index) {
dot.classList.toggle('active', _.page === index)
})
}
if (event && _.opt.scrollLock) {
clearTimeout(_.scrollLock)
_.scrollLock = setTimeout(function () {
clearTimeout(_.scrollLock)
// dont attempt to scroll less than a pixel fraction - causes looping
if (Math.abs(_.ele.scrollLeft / _.itemWidth - _.slide) > 0.02) {
if (!_.mouseDown) {
// Only scroll if not at the end (#94)
if (_.trackWidth > _.containerWidth + _.ele.scrollLeft) {
_.scrollItem(_.getCurrentSlide())
}
}
}
}, _.opt.scrollLockDelay || 250)
}
}
gliderPrototype.getCurrentSlide = function () {
var _ = this
return _.round(_.ele.scrollLeft / _.itemWidth)
}
gliderPrototype.scrollItem = function (slide, dot, e) {
if (e) e.preventDefault()
var _ = this
var originalSlide = slide
++_.animate_id
var prevSlide = _.slide
var position
if (dot === true) {
slide = Math.round((slide * _.containerWidth) / _.itemWidth)
position = slide * _.itemWidth
} else {
if (typeof slide === 'string') {
var backwards = slide === 'prev'
// use precise location if fractional slides are on
if (_.opt.slidesToScroll % 1 || _.opt.slidesToShow % 1) {
slide = _.getCurrentSlide()
} else {
slide = _.slide
}
if (backwards) slide -= _.opt.slidesToScroll
else slide += _.opt.slidesToScroll
if (_.opt.rewind) {
var scrollLeft = _.ele.scrollLeft
slide =
backwards && !scrollLeft
? _.slides.length
: !backwards &&
scrollLeft + _.containerWidth >= Math.floor(_.trackWidth)
? 0
: slide
}
}
slide = Math.max(Math.min(slide, _.slides.length), 0)
_.slide = slide
position = _.itemWidth * slide
}
_.emit('scroll-item', { prevSlide, slide })
_.scrollTo(
position,
_.opt.duration * Math.abs(_.ele.scrollLeft - position),
function () {
_.updateControls()
_.emit('animated', {
value: originalSlide,
type:
typeof originalSlide === 'string' ? 'arrow' : dot ? 'dot' : 'slide'
})
}
)
return false
}
gliderPrototype.settingsBreakpoint = function () {
var _ = this
var resp = _._opt.responsive
if (resp) {
// Sort the breakpoints in mobile first order
resp.sort(function (a, b) {
return b.breakpoint - a.breakpoint
})
for (var i = 0; i < resp.length; ++i) {
var size = resp[i]
if (_window.innerWidth >= size.breakpoint) {
if (_.breakpoint !== size.breakpoint) {
_.opt = Object.assign({}, _._opt, size.settings)
_.breakpoint = size.breakpoint
return true
}
return false
}
}
}
// set back to defaults in case they were overriden
var breakpointChanged = _.breakpoint !== 0
_.opt = Object.assign({}, _._opt)
_.breakpoint = 0
return breakpointChanged
}
gliderPrototype.scrollTo = function (scrollTarget, scrollDuration, callback) {
var _ = this
var start = new Date().getTime()
var animateIndex = _.animate_id
var animate = function () {
var now = new Date().getTime() - start
_.ele.scrollLeft =
_.ele.scrollLeft +
(scrollTarget - _.ele.scrollLeft) *
_.opt.easing(0, now, 0, 1, scrollDuration)
if (now < scrollDuration && animateIndex === _.animate_id) {
_window.requestAnimationFrame(animate)
} else {
_.ele.scrollLeft = scrollTarget
callback && callback.call(_)
}
}
_window.requestAnimationFrame(animate)
}
gliderPrototype.removeItem = function (index) {
var _ = this
if (_.slides.length) {
_.track.removeChild(_.slides[index])
_.refresh(true)
_.emit('remove')
}
}
gliderPrototype.addItem = function (ele) {
var _ = this
_.track.appendChild(ele)
_.refresh(true)
_.emit('add')
}
gliderPrototype.handleMouse = function (e) {
var _ = this
if (_.mouseDown) {
_.isDrag = true
_.ele.scrollLeft +=
(_.mouseDown - e.clientX) * (_.opt.dragVelocity || 3.3)
_.mouseDown = e.clientX
}
}
// used to round to the nearest 0.XX fraction
gliderPrototype.round = function (double) {
var _ = this
var step = _.opt.slidesToScroll % 1 || 1
var inv = 1.0 / step
return Math.round(double * inv) / inv
}
gliderPrototype.refresh = function (paging) {
var _ = this
_.init(true, paging)
}
gliderPrototype.setOption = function (opt, global) {
var _ = this
if (_.breakpoint && !global) {
_._opt.responsive.forEach(function (v) {
if (v.breakpoint === _.breakpoint) {
v.settings = Object.assign({}, v.settings, opt)
}
})
} else {
_._opt = Object.assign({}, _._opt, opt)
}
_.breakpoint = 0
_.settingsBreakpoint()
}
gliderPrototype.destroy = function () {
var _ = this
var replace = _.ele.cloneNode(true)
var clear = function (ele) {
ele.removeAttribute('style');
[].forEach.call(ele.classList, function (className) {
/^glider/.test(className) && ele.classList.remove(className)
})
}
// remove track if it was created by glider
if (!_.opt.skipTrack) {
replace.children[0].outerHTML = replace.children[0].innerHTML
}
clear(replace);
[].forEach.call(replace.getElementsByTagName('*'), clear)
_.ele.parentNode.replaceChild(replace, _.ele)
_.event(_window, 'remove', {
resize: _.resize
})
_.emit('destroy')
}
gliderPrototype.emit = function (name, arg) {
var _ = this
var e = new _window.CustomEvent('glider-' + name, {
bubbles: !_.opt.eventPropagate,
detail: arg
})
_.ele.dispatchEvent(e)
}
gliderPrototype.event = function (ele, type, args) {
var eventHandler = ele[type + 'EventListener'].bind(ele)
Object.keys(args).forEach(function (k) {
eventHandler(k, args[k])
})
}
return Glider
})