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document.addEventListener('DOMContentLoaded', function () {
initializeImageLayout();
setupLightbox();
});
function initializeImageLayout() {
const content = document.getElementById('weblog-body-content');
if (!content) return;
const images = content.querySelectorAll('img');
const filteredImages = Array.from(images).filter(img => !img.classList.contains('block'));
if (filteredImages.length > 0) {
filteredImages.forEach((img, index) => {
img.setAttribute('data-lightbox', 'content-images');
img.setAttribute('data-title', img.alt || 'Image ' + (index + 1));
const imgLink = document.createElement('a');
imgLink.href = img.src;
imgLink.className = 'lightbox-image';
const imgWrapper = document.createElement('div');
imgWrapper.style.maxWidth = '100%';
imgWrapper.className = 'image-wrapper';
if (index % 2 === 0) {
imgWrapper.style.float = 'left';
imgWrapper.style.marginRight = '11px';
imgWrapper.style.marginBottom = '11px';
} else {
imgWrapper.style.float = 'right';
imgWrapper.style.marginLeft = '11px';
imgWrapper.style.marginBottom = '11px';
}
img.parentNode.insertBefore(imgWrapper, img);
imgWrapper.appendChild(imgLink);
imgLink.appendChild(img);
});
}
const blockImages = Array.from(images).filter(img => img.classList.contains('block'));
blockImages.forEach((img) => {
img.setAttribute('data-lightbox', 'content-images');
img.setAttribute('data-title', img.alt || 'Image');
const imgLink = document.createElement('a');
imgLink.href = img.src;
imgLink.className = 'lightbox-image';
img.parentNode.insertBefore(imgLink, img);
imgLink.appendChild(img);
});
}
function setupLightbox() {
const lightbox = document.createElement('div');
lightbox.id = 'lightbox';
lightbox.className = 'lightbox';
lightbox.innerHTML = `
<div class="lightbox-overlay"></div>
<div class="lightbox-container">
<div class="lightbox-content">
<img src="" alt="Lightbox Image" class="lightbox-image">
<div class="lightbox-caption"></div>
</div>
<button class="lightbox-close">×</button>
<button class="lightbox-prev">❮</button>
<button class="lightbox-next">❯</button>
</div>
`;
document.body.appendChild(lightbox);
const style = document.createElement('style');
style.textContent = `
.lightbox { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 9999; }
.lightbox.active { display: flex; justify-content: center; align-items: center; }
.lightbox-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); }
.lightbox-container { position: relative; max-width: 80%; max-height: 80%; z-index: 10000; }
.lightbox-content { position: relative; }
.lightbox-content img { display: block; max-width: 100%; max-height: 80vh; margin: 0 auto; border: 3px solid white; }
.lightbox-caption { color: white; text-align: center; padding: 10px; background: rgba(0,0,0,0.7); }
.lightbox-close { position: absolute; top: -50px; right: -50px; color: white; background: transparent; border: none; font-size: 24px; cursor: pointer; }
.lightbox-prev, .lightbox-next { position: absolute; top: 50%; transform: translateY(-50%); color: white; background: rgba(0,0,0,0.5); border: none; font-size: 18px; padding: 15px; cursor: pointer; }
.lightbox-prev { left: -50px; }
.lightbox-next { right: -50px; }
`;
document.head.appendChild(style);
let images = [];
let currentIndex = 0;
document.querySelectorAll('a.lightbox-image').forEach(link => {
link.addEventListener('click', function (e) {
e.preventDefault();
images = Array.from(document.querySelectorAll('a.lightbox-image'));
currentIndex = images.indexOf(this);
openLightbox(this.href, this.querySelector('img').getAttribute('alt'));
});
});
document.querySelector('.lightbox-close').addEventListener('click', closeLightbox);
document.querySelector('.lightbox-overlay').addEventListener('click', closeLightbox);
document.querySelector('.lightbox-prev').addEventListener('click', () => {
if (currentIndex > 0) {
currentIndex--;
const prevLink = images[currentIndex];
openLightbox(prevLink.href, prevLink.querySelector('img').getAttribute('alt'));
}
});
document.querySelector('.lightbox-next').addEventListener('click', () => {
if (currentIndex < images.length - 1) {
currentIndex++;
const nextLink = images[currentIndex];
openLightbox(nextLink.href, nextLink.querySelector('img').getAttribute('alt'));
}
});
document.addEventListener('keydown', (e) => {
if (!document.querySelector('.lightbox.active')) return;
switch (e.key) {
case 'Escape': closeLightbox(); break;
case 'ArrowLeft': document.querySelector('.lightbox-prev').click(); break;
case 'ArrowRight': document.querySelector('.lightbox-next').click(); break;
}
});
function openLightbox(src, caption) {
const lightboxImg = document.querySelector('.lightbox img');
const lightboxCaption = document.querySelector('.lightbox-caption');
lightboxImg.src = src;
lightboxCaption.textContent = caption || '';
lightbox.classList.add('active');
document.body.style.overflow = 'hidden'; // Prevent scrolling
}
function closeLightbox() {
lightbox.classList.remove('active');
document.body.style.overflow = ''; // Re-enable scrolling
}
}
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