106 lines
3.7 KiB
JavaScript
106 lines
3.7 KiB
JavaScript
import createShadow from '../../shared/create-shadow.js';
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import effectInit from '../../shared/effect-init.js';
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import effectTarget from '../../shared/effect-target.js';
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import effectVirtualTransitionEnd from '../../shared/effect-virtual-transition-end.js';
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import { getSlideTransformEl } from '../../shared/utils.js';
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export default function EffectFlip({
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swiper,
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extendParams,
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on
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}) {
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extendParams({
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flipEffect: {
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slideShadows: true,
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limitRotation: true
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}
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});
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const createSlideShadows = (slideEl, progress, params) => {
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let shadowBefore = swiper.isHorizontal() ? slideEl.querySelector('.swiper-slide-shadow-left') : slideEl.querySelector('.swiper-slide-shadow-top');
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let shadowAfter = swiper.isHorizontal() ? slideEl.querySelector('.swiper-slide-shadow-right') : slideEl.querySelector('.swiper-slide-shadow-bottom');
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if (!shadowBefore) {
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shadowBefore = createShadow(params, slideEl, swiper.isHorizontal() ? 'left' : 'top');
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}
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if (!shadowAfter) {
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shadowAfter = createShadow(params, slideEl, swiper.isHorizontal() ? 'right' : 'bottom');
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}
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if (shadowBefore) shadowBefore.style.opacity = Math.max(-progress, 0);
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if (shadowAfter) shadowAfter.style.opacity = Math.max(progress, 0);
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};
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const recreateShadows = () => {
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// Set shadows
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const params = swiper.params.flipEffect;
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swiper.slides.forEach(slideEl => {
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let progress = slideEl.progress;
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if (swiper.params.flipEffect.limitRotation) {
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progress = Math.max(Math.min(slideEl.progress, 1), -1);
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}
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createSlideShadows(slideEl, progress, params);
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});
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};
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const setTranslate = () => {
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const {
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slides,
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rtlTranslate: rtl
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} = swiper;
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const params = swiper.params.flipEffect;
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for (let i = 0; i < slides.length; i += 1) {
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const slideEl = slides[i];
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let progress = slideEl.progress;
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if (swiper.params.flipEffect.limitRotation) {
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progress = Math.max(Math.min(slideEl.progress, 1), -1);
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}
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const offset = slideEl.swiperSlideOffset;
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const rotate = -180 * progress;
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let rotateY = rotate;
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let rotateX = 0;
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let tx = swiper.params.cssMode ? -offset - swiper.translate : -offset;
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let ty = 0;
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if (!swiper.isHorizontal()) {
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ty = tx;
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tx = 0;
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rotateX = -rotateY;
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rotateY = 0;
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} else if (rtl) {
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rotateY = -rotateY;
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}
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slideEl.style.zIndex = -Math.abs(Math.round(progress)) + slides.length;
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if (params.slideShadows) {
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createSlideShadows(slideEl, progress, params);
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}
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const transform = `translate3d(${tx}px, ${ty}px, 0px) rotateX(${rotateX}deg) rotateY(${rotateY}deg)`;
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const targetEl = effectTarget(params, slideEl);
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targetEl.style.transform = transform;
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}
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};
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const setTransition = duration => {
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const transformElements = swiper.slides.map(slideEl => getSlideTransformEl(slideEl));
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transformElements.forEach(el => {
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el.style.transitionDuration = `${duration}ms`;
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el.querySelectorAll('.swiper-slide-shadow-top, .swiper-slide-shadow-right, .swiper-slide-shadow-bottom, .swiper-slide-shadow-left').forEach(shadowEl => {
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shadowEl.style.transitionDuration = `${duration}ms`;
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});
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});
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effectVirtualTransitionEnd({
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swiper,
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duration,
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transformElements
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});
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};
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effectInit({
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effect: 'flip',
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swiper,
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on,
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setTranslate,
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setTransition,
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recreateShadows,
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getEffectParams: () => swiper.params.flipEffect,
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perspective: () => true,
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overwriteParams: () => ({
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slidesPerView: 1,
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slidesPerGroup: 1,
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watchSlidesProgress: true,
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spaceBetween: 0,
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virtualTranslate: !swiper.params.cssMode
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})
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});
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} |