Refresh lightbox album when getting new feed

This commit is contained in:
2026-05-09 12:18:45 +02:00
parent 3c8cdbaad6
commit 1852f6640e
3 changed files with 139 additions and 150 deletions
+98 -77
View File
@@ -55,51 +55,51 @@ export default class Lightbox {
}
onBodyClick(event) {
const link = event.target.closest('a[rel^="lightbox"], area[rel^="lightbox"], a[data-lightbox], area[data-lightbox]');
const link = event.target.closest('a[data-lightbox], area[data-lightbox]');
if (!link) return;
event.preventDefault();
this.start(link);
}
renderIcon(name) {
return icon(getIcon(name), {classes: ['spot-icon', name]}).html;
renderIcon(name, sClass=null) {
return icon(getIcon(name), {classes: ['spot-icon', name, sClass]}).html;
}
build() {
if (!document.getElementById('lightbox')) {
const wrapper = document.createElement('div');
wrapper.innerHTML = `
<div id="lightboxOverlay" tabindex="-1" class="lightboxOverlay"></div>
<div id="lightbox" tabindex="-1" class="lightbox">
<div class="lb-outerContainer">
<div class="lb-container">
<img class="lb-image" src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" alt="" />
<video class="lb-video" controls autoplay></video>
<div class="lb-nav">
<div class="lb-prev-area">
<a class="lb-prev" aria-label="Previous image" href="" role="button">${this.renderIcon('prev')}</a>
<div id="lightboxOverlay" tabindex="-1" class="lightboxOverlay"></div>
<div id="lightbox" tabindex="-1" class="lightbox">
<div class="lb-outerContainer">
<div class="lb-container">
<img class="lb-image" src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" alt="" />
<video class="lb-video" controls autoplay></video>
<div class="lb-nav">
<div class="lb-prev-area">
<a class="lb-prev" aria-label="Previous image" href="" role="button">${this.renderIcon('prev')}</a>
</div>
<div class="lb-next-area">
<a class="lb-next" aria-label="Next image" href="" role="button">${this.renderIcon('next')}</a>
</div>
</div>
<div class="lb-next-area">
<a class="lb-next" aria-label="Next image" href="" role="button">${this.renderIcon('next')}</a>
<div class="lb-loader">
<a class="lb-cancel" href="#">${this.renderIcon('cancel')}</a>
</div>
</div>
<div class="lb-loader">
<a class="lb-cancel" href="#">${this.renderIcon('cancel')}</a>
<div class="lb-dataContainer desktop">
<div class="lb-data">
<div class="lb-details">
<span class="lb-caption"></span>
</div>
<div class="lb-closeContainer">
<a class="lb-close" href="#" role="button">${this.renderIcon('close', 'fa-lg')}</a>
</div>
</div>
</div>
</div>
</div>
<div class="lb-dataContainer desktop">
<div class="lb-data">
<div class="lb-details">
<span class="lb-caption"></span>
</div>
<div class="lb-closeContainer">
<a class="lb-close" href="#" role="button">${this.renderIcon('close')}</a>
</div>
</div>
</div>
</div>
`;
`;
document.body.append(...wrapper.children);
}
@@ -179,22 +179,11 @@ export default class Lightbox {
let imageNumber = 0;
const setName = link.getAttribute('data-lightbox');
if (setName) {
const links = [...document.querySelectorAll(`${link.tagName}[data-lightbox="${CSS.escape(setName)}"]`)];
links.forEach((item, index) => {
this.addToAlbum(item);
if (item === link) imageNumber = index;
});
} else if (link.getAttribute('rel') === 'lightbox') {
this.addToAlbum(link);
} else {
const rel = link.getAttribute('rel');
const links = [...document.querySelectorAll(`${link.tagName}[rel="${CSS.escape(rel)}"]`)];
links.forEach((item, index) => {
this.addToAlbum(item);
if (item === link) imageNumber = index;
});
}
const links = [...document.querySelectorAll(`${link.tagName}[data-lightbox="${CSS.escape(setName)}"]`)];
links.forEach((item, index) => {
this.addToAlbum(item);
if (item === link) imageNumber = index;
});
this.fade(this.overlay, true, this.options.fadeDuration);
this.fade(this.lightbox, true, this.options.fadeDuration);
@@ -216,34 +205,64 @@ export default class Lightbox {
id: link.getAttribute('data-id'),
width: parseInt(img?.getAttribute('width') || '0', 10),
height: parseInt(img?.getAttribute('height') || '0', 10),
set: link.getAttribute('data-lightbox') || link.getAttribute('rel') || ''
set: link.getAttribute('data-lightbox') || ''
});
}
hasMediaAfterCurrent() {
return this.currentImageIndex < this.album.length - 1;
}
refreshAlbum() {
const current = this.album[this.currentImageIndex];
if (!current?.set) return;
const links = [...document.querySelectorAll(`a[data-lightbox="${CSS.escape(current.set)}"], area[data-lightbox="${CSS.escape(current.set)}"]`)];
if (!links.length) return;
const existingKeys = new Set(this.album.map((media) => this.getMediaKey(media)));
links.forEach((link) => {
const key = this.getLinkMediaKey(link);
if (existingKeys.has(key)) return;
this.addToAlbum(link);
existingKeys.add(key);
});
this.updateNav();
}
getMediaKey(media) {
return `${media.set}:${media.id}`;
}
getLinkMediaKey(link) {
return `${link.getAttribute('data-lightbox') || ''}:${link.getAttribute('data-id')}`;
}
getMaxSizes(mediaWidth, mediaHeight, mediaType) {
let maxWidth = window.innerWidth - this.containerPadding.left - this.containerPadding.right;
let maxHeight = window.innerHeight - this.containerPadding.top - this.containerPadding.bottom - this.options.positionFromTop;
const border = mediaType === 'image' ? this.imageBorderWidth : this.videoBorderWidth;
maxWidth -= border.left + border.right;
maxHeight -= border.top + border.bottom;
maxHeight -= this.getDataContainerHeight(maxWidth + this.containerPadding.left + this.containerPadding.right + border.left + border.right);
const dataMaxWidth = this.dataContainer.offsetWidth || 0;
const dataMaxHeight = this.dataContainer.offsetHeight || 0;
const ratio = mediaWidth / mediaHeight;
return {
maxWidth: Math.max(maxWidth, 1),
maxHeight: Math.max(maxHeight, 1)
};
}
const heightH = Math.min(maxHeight, mediaHeight);
const widthH = Math.min(heightH * ratio, maxWidth - dataMaxWidth);
const surfaceH = Math.min(heightH, widthH / ratio) * widthH;
getDataContainerHeight(width = null) {
if (!this.dataContainer) return 0;
const widthV = Math.min(maxWidth, mediaWidth);
const heightV = Math.min(widthV / ratio, maxHeight - dataMaxHeight);
const surfaceV = Math.min(widthV, heightV * ratio) * heightV;
const currentWidth = this.dataContainer.style.width;
if (width !== null) this.dataContainer.style.width = `${width}px`;
const height = Math.ceil(this.dataContainer.getBoundingClientRect().height || this.dataContainer.offsetHeight || 0);
this.dataContainer.style.width = currentWidth;
const direction = surfaceV > surfaceH ? 'vertical' : 'horizontal';
if (direction === 'vertical') maxHeight -= dataMaxHeight;
else maxWidth -= dataMaxWidth;
return { maxWidth, maxHeight, direction };
return height;
}
updateSize(index) {
@@ -252,9 +271,6 @@ export default class Lightbox {
let maxWidth = maxSizes.maxWidth;
let maxHeight = maxSizes.maxHeight;
this.lightbox.classList.remove('vertical', 'horizontal');
this.lightbox.classList.add(maxSizes.direction);
if (this.options.fitImagesInViewport) {
if (this.options.maxWidth && this.options.maxWidth < maxWidth) maxWidth = this.options.maxWidth;
if (this.options.maxHeight && this.options.maxHeight < maxHeight) maxHeight = this.options.maxHeight;
@@ -288,15 +304,16 @@ export default class Lightbox {
const media = this.album[index];
if (!media) return;
this.updateDetails(media, false);
this.hideElements([this.dataContainer]);
this.disableKeyboardNav();
this.fade(this.overlay, true, this.options.fadeDuration);
this.fade(this.loader, true, 200);
this.hideElements([this.image, this.video, this.nav, this.prev, this.next, this.caption, this.closeButton]);
this.hideElements([this.image, this.video, this.nav, this.prev, this.next]);
this.resetImageTransform();
this.dataContainer.style.width = '200px';
this.dataContainer.style.height = '35px';
this.outerContainer.classList.add('animating');
this.container.classList.remove('moveable', 'moving', 'lb-video-nav');
this.currentImageIndex = index;
this.options.onMediaChange(media);
@@ -329,8 +346,6 @@ export default class Lightbox {
};
this.image.src = media.link;
}
this.currentImageIndex = index;
}
sizeOverlay() {
@@ -349,15 +364,14 @@ export default class Lightbox {
const border = mediaType === 'image' ? this.imageBorderWidth : this.videoBorderWidth;
const newWidth = width + this.containerPadding.left + this.containerPadding.right + border.left + border.right;
const newHeight = height + this.containerPadding.top + this.containerPadding.bottom + border.top + border.bottom;
const dataHeight = this.getDataContainerHeight(newWidth);
this.outerContainer.style.transition = `width ${this.options.resizeDuration}ms, height ${this.options.resizeDuration}ms`;
this.outerContainer.style.width = `${newWidth}px`;
this.outerContainer.style.height = `${newHeight}px`;
this.outerContainer.style.height = `${newHeight + dataHeight}px`;
this.container.style.height = `${newHeight}px`;
window.setTimeout(() => {
if (this.lightbox.classList.contains('vertical')) this.dataContainer.style.width = `${newWidth}px`;
else this.dataContainer.style.height = `${newHeight}px`;
this.overlay.focus();
this.showImage();
this.outerContainer.style.transition = '';
@@ -400,22 +414,29 @@ export default class Lightbox {
}
}
updateDetails() {
const media = this.album[this.currentImageIndex];
updateDetails(media = this.album[this.currentImageIndex], show = true) {
if (!media) return;
if (media.title) {
if (this.options.sanitizeTitle) this.caption.textContent = media.title;
else this.caption.innerHTML = media.title;
this.fade(this.caption, true, 200);
if (show) this.fade(this.caption, true, 200);
else this.setVisible(this.caption, true);
} else {
this.caption.textContent = '';
this.setVisible(this.caption, false);
}
this.fade(this.closeButton, true, 200);
this.outerContainer.classList.remove('animating');
this.fade(this.dataContainer, true, this.options.resizeDuration);
if (show) {
this.fade(this.closeButton, true, 200);
this.outerContainer.classList.remove('animating');
this.fade(this.dataContainer, true, this.options.resizeDuration);
} else {
this.setVisible(this.closeButton, true);
this.setVisible(this.dataContainer, false);
this.dataContainer.style.transition = '';
this.dataContainer.style.opacity = '0';
}
}
preloadNeighboringImages() {