diff options
Diffstat (limited to '_includes/scripts/lib/swiper.js')
| -rw-r--r-- | _includes/scripts/lib/swiper.js | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/_includes/scripts/lib/swiper.js b/_includes/scripts/lib/swiper.js deleted file mode 100644 index 3d06419..0000000 --- a/_includes/scripts/lib/swiper.js +++ /dev/null @@ -1,203 +0,0 @@ -(function() { - var SOURCES = window.TEXT_VARIABLES.sources; - window.Lazyload.js(SOURCES.jquery, function() { - function swiper(options) { - var $window = $(window), $root = this, $swiperWrapper, $swiperSlides, $swiperButtonPrev, $swiperButtonNext, - initialSlide, animation, onChange, onChangeEnd, - rootWidth, count, preIndex, curIndex, translateX, CRITICAL_ANGLE = Math.PI / 3; - - function setOptions(options) { - var _options = options || {}; - initialSlide = _options.initialSlide || 0; - animation = _options.animation === undefined && true; - onChange = onChange || _options.onChange; - onChangeEnd = onChangeEnd || _options.onChangeEnd; - } - - function init() { - $swiperWrapper = $root.find('.swiper__wrapper'); - $swiperSlides = $root.find('.swiper__slide'); - $swiperButtonPrev = $root.find('.swiper__button--prev'); - $swiperButtonNext = $root.find('.swiper__button--next'); - animation && $swiperWrapper.addClass('swiper__wrapper--animation'); - calc(true); - } - - function preCalc() { - rootWidth = $root.width(); - count = $swiperWrapper.children('.swiper__slide').length; - if (count < 2) { - $swiperButtonPrev.addClass('d-none'); - $swiperButtonNext.addClass('d-none'); - } - curIndex = initialSlide || 0; - translateX = getTranslateXFromCurIndex(); - } - - var calc = (function() { - var preAnimation, $swiperSlide, $preSwiperSlide; - return function (needPreCalc, params) { - needPreCalc && preCalc(); - var _animation = (params && params.animation !== undefined) ? params.animation : animation; - if (preAnimation === undefined || preAnimation !== _animation) { - preAnimation = _animation ? $swiperWrapper.addClass('swiper__wrapper--animation') : - $swiperWrapper.removeClass('swiper__wrapper--animation'); - } - if (preIndex !== curIndex) { - ($preSwiperSlide = $swiperSlides.eq(preIndex)).removeClass('active'); - ($swiperSlide = $swiperSlides.eq(curIndex)).addClass('active'); - onChange && onChange(curIndex, $swiperSlides.eq(curIndex), $swiperSlide, $preSwiperSlide); - if (onChangeEnd) { - if (_animation) { - setTimeout(function() { - onChangeEnd(curIndex, $swiperSlides.eq(curIndex), $swiperSlide, $preSwiperSlide); - }, 400); - } else { - onChangeEnd(curIndex, $swiperSlides.eq(curIndex), $swiperSlide, $preSwiperSlide); - } - } - preIndex = curIndex; - } - $swiperWrapper.css('transform', 'translate(' + translateX + 'px, 0)'); - if (count > 1) { - if (curIndex <= 0) { - $swiperButtonPrev.addClass('disabled'); - } else { - $swiperButtonPrev.removeClass('disabled'); - } - if (curIndex >= count - 1) { - $swiperButtonNext.addClass('disabled'); - } else { - $swiperButtonNext.removeClass('disabled'); - } - } - }; - })(); - - function getTranslateXFromCurIndex() { - return curIndex <= 0 ? 0 : - rootWidth * curIndex; - } - - function moveToIndex(index ,params) { - preIndex = curIndex; - curIndex = index; - translateX = getTranslateXFromCurIndex(); - calc(false, params); - } - - function move(type) { - var nextIndex = curIndex, unstableTranslateX; - if (type === 'prev') { - nextIndex > 0 && nextIndex--; - } else if (type === 'next') { - nextIndex < count - 1 && nextIndex++; - } - if (type === 'cur') { - moveToIndex(curIndex, { animation: true }); - return; - } - unstableTranslateX = translateX % rootWidth !== 0; - if (nextIndex !== curIndex || unstableTranslateX) { - unstableTranslateX ? moveToIndex(nextIndex, { animation: true }) : moveToIndex(nextIndex); - } - } - - setOptions(options); - init(); - preIndex = curIndex; - - $swiperButtonPrev.on('click', function(e) { - e.stopPropagation(); - move('prev'); - }); - $swiperButtonNext.on('click', function(e) { - e.stopPropagation(); - move('next'); - }); - $window.on('resize', function() { - calc(true, { animation: false }); - }); - - (function() { - var pageX, pageY, velocityX, preTranslateX = translateX, timeStamp, touching; - function handleTouchstart(e) { - var point = e.touches ? e.touches[0] : e; - pageX = point.pageX; - pageY = point.pageY; - velocityX = 0; - preTranslateX = translateX; - } - function handleTouchmove(e) { - if (e.touches && e.touches.length > 1) { - return; - } - var point = e.touches ? e.touches[0] : e; - var deltaX = point.pageX - pageX; - var deltaY = point.pageY - pageY; - velocityX = deltaX / (e.timeStamp - timeStamp); - timeStamp = e.timeStamp; - if (e.cancelable && Math.abs(Math.atan(deltaY / deltaX)) < CRITICAL_ANGLE) { - touching = true; - translateX += deltaX; - calc(false, { animation: false }); - } - pageX = point.pageX; - pageY = point.pageY; - } - function handleTouchend() { - touching = false; - var deltaX = translateX - preTranslateX; - var distance = deltaX + velocityX * rootWidth; - if (Math.abs(distance) > rootWidth / 2) { - distance > 0 ? move('prev') : move('next'); - } else { - move('cur'); - } - } - $swiperWrapper.on('touchstart', handleTouchstart); - $swiperWrapper.on('touchmove', handleTouchmove); - $swiperWrapper.on('touchend', handleTouchend); - $swiperWrapper.on('touchcancel', handleTouchend); - - (function() { - var pressing = false, moved = false; - $swiperWrapper.on('mousedown', function(e) { - pressing = true; handleTouchstart(e); - }); - $swiperWrapper.on('mousemove', function(e) { - pressing && (e.preventDefault(), moved = true, handleTouchmove(e)); - }); - $swiperWrapper.on('mouseup', function(e) { - pressing && (pressing = false, handleTouchend(e)); - }); - $swiperWrapper.on('mouseleave', function(e) { - pressing && (pressing = false, handleTouchend(e)); - }); - $swiperWrapper.on('click', function(e) { - moved && (e.stopPropagation(), moved = false); - }); - })(); - - $root.on('touchmove', function(e) { - if (e.cancelable & touching) { - e.preventDefault(); - } - }); - })(); - - return { - setOptions: setOptions, - previous: function(){ - move('prev'); - }, - next: function(){ - move('next'); - }, - refresh: function() { - calc(true, { animation: false }); - } - }; - } - $.fn.swiper = swiper; - }); -})(); |