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5 changed files with 130 additions and 1 deletions
61
js/portfolio.js
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61
js/portfolio.js
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(function () {
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var grid = document.getElementById('portfolio-grid');
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if (!grid) return;
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var items = Array.from(grid.querySelectorAll(':scope > div'));
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if (!items.length) return;
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var lb = document.createElement('div');
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lb.id = 'lightbox';
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lb.innerHTML =
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'<button id="lb-close" aria-label="Zamknij"><svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 6 6 18"/><path d="m6 6 12 12"/></svg></button>' +
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'<button id="lb-prev" aria-label="Poprzednie"><svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m15 18-6-6 6-6"/></svg></button>' +
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'<img src="" alt="">' +
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'<button id="lb-next" aria-label="Następne"><svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m9 18 6-6-6-6"/></svg></button>';
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document.body.appendChild(lb);
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var lbImg = lb.querySelector('img');
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var current = -1;
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function open(idx) {
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current = idx;
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var img = items[current].querySelector('img');
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lbImg.src = img.src;
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lbImg.alt = img.alt;
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lb.classList.add('open');
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}
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function close() {
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lb.classList.remove('open');
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current = -1;
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}
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function prev() {
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if (current < 0) return;
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open((current - 1 + items.length) % items.length);
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}
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function next() {
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if (current < 0) return;
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open((current + 1) % items.length);
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}
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items.forEach(function (item, i) {
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item.addEventListener('click', function () { open(i); });
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});
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lb.querySelector('#lb-close').addEventListener('click', close);
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lb.querySelector('#lb-prev').addEventListener('click', function (e) { e.stopPropagation(); prev(); });
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lb.querySelector('#lb-next').addEventListener('click', function (e) { e.stopPropagation(); next(); });
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document.addEventListener('keydown', function (e) {
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if (!lb.classList.contains('open')) return;
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if (e.key === 'Escape') { close(); e.preventDefault(); }
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if (e.key === 'ArrowLeft') { prev(); e.preventDefault(); }
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if (e.key === 'ArrowRight') { next(); e.preventDefault(); }
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});
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lb.addEventListener('click', function (e) {
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if (e.target === lb) close();
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});
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})();
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