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Update lightbox.js

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tiengming 2024-07-24 19:24:43 +08:00 committed by GitHub
parent a2e40e84d4
commit a2daa78448
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1 changed files with 22 additions and 8 deletions
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30
plugins/lightbox.js
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@ -17,6 +17,7 @@
this.zoomLevel = 1;
this.touchStartX = 0;
this.touchEndX = 0;
this.wheelTimer = null;
this.init();
}
@ -68,7 +69,7 @@
object-fit: contain;
border-radius: 8px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
transition: transform ${this.options.animationDuration}ms cubic-bezier(0.25, 0.1, 0.25, 1);
transition: transform ${this.options.animationDuration}ms cubic-bezier(0.25, 0.1, 0.25, 1), opacity ${this.options.animationDuration}ms ease;
}
.lb-lightbox-nav {
position: absolute;
@ -203,7 +204,7 @@
this.nextButton.addEventListener('click', this.showNextImage.bind(this));
this.closeButton.addEventListener('click', this.close.bind(this));
document.addEventListener('keydown', this.handleKeyDown.bind(this));
this.image.addEventListener('wheel', this.handleWheel.bind(this));
this.overlay.addEventListener('wheel', this.handleWheel.bind(this));
this.overlay.addEventListener('touchstart', this.handleTouchStart.bind(this));
this.overlay.addEventListener('touchmove', this.handleTouchMove.bind(this));
this.overlay.addEventListener('touchend', this.handleTouchEnd.bind(this));
@ -212,8 +213,8 @@
handleImageClick(event) {
const clickedImage = event.target.closest('img');
if (clickedImage && !this.isOpen) {
event.preventDefault(); // 阻止默认行为
event.stopPropagation(); // 阻止事件冒泡
event.preventDefault();
event.stopPropagation();
this.images = Array.from(document.querySelectorAll('.markdown-body img'));
this.currentIndex = this.images.indexOf(clickedImage);
this.open();
@ -249,8 +250,16 @@
handleWheel(event) {
event.preventDefault();
const delta = Math.sign(event.deltaY);
this.zoom(delta > 0 ? -0.1 : 0.1);
clearTimeout(this.wheelTimer);
this.wheelTimer = setTimeout(() => {
const delta = Math.sign(event.deltaY);
if (delta > 0) {
this.showNextImage();
} else {
this.showPreviousImage();
}
}, 50);
}
handleTouchStart(event) {
@ -317,10 +326,13 @@
showImage() {
const imgSrc = this.images[this.currentIndex].src;
this.image.style.opacity = '0';
setTimeout(() => {
const newImage = new Image();
newImage.src = imgSrc;
newImage.onload = () => {
this.image.src = imgSrc;
this.image.style.opacity = '1';
}, this.options.animationDuration / 2);
};
this.prevButton.style.display = this.currentIndex > 0 ? '' : 'none';
this.nextButton.style.display = this.currentIndex < this.images.length - 1 ? '' : 'none';
@ -328,6 +340,8 @@
if (typeof this.options.onNavigate === 'function') {
this.options.onNavigate(this.currentIndex);
}
this.preloadImages();
}
zoom(factor) {