630 lines
19 KiB
JavaScript
630 lines
19 KiB
JavaScript
/* global window, document */
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(function () {
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'use strict';
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// ============================================================
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// Lightbox Module
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// ============================================================
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var Lightbox = (function () {
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var lb = null;
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var img = null;
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var cap = null;
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var items = [];
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var index = 0;
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// Zoom/pan state
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var scale = 1;
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var panX = 0;
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var panY = 0;
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var minScale = 1;
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var maxScale = 5;
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var isPanning = false;
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var panStartX = 0;
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var panStartY = 0;
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// History state
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var pushedHistory = false;
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var closingFromPopstate = false;
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function ensureElement() {
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if (lb) return;
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lb = document.createElement('div');
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lb.className = 'luxtools-lightbox';
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lb.setAttribute('role', 'dialog');
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lb.setAttribute('aria-modal', 'true');
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lb.setAttribute('aria-hidden', 'true');
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lb.innerHTML =
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'<div class="luxtools-lightbox-backdrop" data-luxtools-action="close"></div>' +
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'<div class="luxtools-lightbox-stage">' +
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'<button type="button" class="luxtools-lightbox-close" data-luxtools-action="close" aria-label="Close">×</button>' +
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'<button type="button" class="luxtools-lightbox-zone luxtools-lightbox-zone-prev" data-luxtools-action="prev" aria-label="Previous"></button>' +
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'<button type="button" class="luxtools-lightbox-zone luxtools-lightbox-zone-next" data-luxtools-action="next" aria-label="Next"></button>' +
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'<div class="luxtools-lightbox-media">' +
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'<img class="luxtools-lightbox-img" alt="" />' +
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'</div>' +
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'<div class="luxtools-lightbox-caption"></div>' +
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'</div>';
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document.body.appendChild(lb);
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img = lb.querySelector('img.luxtools-lightbox-img');
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cap = lb.querySelector('.luxtools-lightbox-caption');
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lb.addEventListener('click', onClick);
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}
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function clampIndex(n) {
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if (n < 0) return items.length - 1;
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if (n >= items.length) return 0;
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return n;
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}
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function applyTransform() {
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if (scale <= 1 && panX === 0 && panY === 0) {
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img.style.transform = '';
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} else {
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img.style.transform = 'scale(' + scale + ') translate(' + panX + 'px, ' + panY + 'px)';
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}
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img.style.cursor = scale > 1 ? 'grab' : '';
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}
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function resetZoom() {
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scale = 1;
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panX = 0;
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panY = 0;
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applyTransform();
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}
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function render() {
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var it = items[index];
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img.src = it.full;
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img.setAttribute('data-luxtools-index', String(index));
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if (cap) cap.textContent = (it.name || '').trim();
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resetZoom();
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}
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function next() {
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index = clampIndex(index + 1);
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render();
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}
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function prev() {
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index = clampIndex(index - 1);
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render();
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}
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// Event handlers
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function onWheel(e) {
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e.preventDefault();
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var delta = e.deltaY > 0 ? -0.15 : 0.15;
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scale = Math.max(minScale, Math.min(maxScale, scale + delta));
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if (scale <= 1) { panX = 0; panY = 0; }
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applyTransform();
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}
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function onDblClick(e) {
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e.preventDefault();
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if (scale > 1) {
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scale = 1;
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panX = 0;
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panY = 0;
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} else {
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scale = 2.5;
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}
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applyTransform();
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}
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function onMouseDown(e) {
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if (scale > 1 && e.button === 0) {
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isPanning = true;
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panStartX = e.clientX - panX * scale;
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panStartY = e.clientY - panY * scale;
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img.style.cursor = 'grabbing';
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e.preventDefault();
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}
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}
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function onMouseMove(e) {
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if (isPanning && scale > 1) {
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panX = (e.clientX - panStartX) / scale;
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panY = (e.clientY - panStartY) / scale;
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applyTransform();
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img.style.cursor = 'grabbing';
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}
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}
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function onMouseUp() {
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isPanning = false;
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img.style.cursor = scale > 1 ? 'grab' : '';
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}
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function onKeyDown(e) {
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if (!lb || !lb.classList.contains('is-open')) return;
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var key = e.key || '';
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if (key === 'Escape') {
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e.preventDefault();
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close();
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} else if (key === 'ArrowRight') {
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e.preventDefault();
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next();
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} else if (key === 'ArrowLeft') {
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e.preventDefault();
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prev();
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}
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}
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function onPopState() {
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if (!lb || !lb.classList.contains('is-open')) return;
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closingFromPopstate = true;
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try { close(); } finally { closingFromPopstate = false; }
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}
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function onClick(e) {
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var t = e.target;
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if (!t || !t.getAttribute) return;
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var action = t.getAttribute('data-luxtools-action') || '';
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if (action === 'close') { e.preventDefault(); close(); return; }
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if (action === 'next') { e.preventDefault(); next(); return; }
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if (action === 'prev') { e.preventDefault(); prev(); return; }
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if (t.closest && t.closest('button.luxtools-lightbox-zone')) return;
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if (t.closest && t.closest('img.luxtools-lightbox-img')) return;
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e.preventDefault();
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close();
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}
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function attachListeners() {
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document.addEventListener('keydown', onKeyDown, true);
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window.addEventListener('popstate', onPopState, true);
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img.addEventListener('wheel', onWheel, { passive: false });
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img.addEventListener('dblclick', onDblClick);
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img.addEventListener('mousedown', onMouseDown);
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document.addEventListener('mousemove', onMouseMove);
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document.addEventListener('mouseup', onMouseUp);
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}
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function detachListeners() {
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document.removeEventListener('keydown', onKeyDown, true);
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window.removeEventListener('popstate', onPopState, true);
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img.removeEventListener('wheel', onWheel);
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img.removeEventListener('dblclick', onDblClick);
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img.removeEventListener('mousedown', onMouseDown);
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document.removeEventListener('mousemove', onMouseMove);
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document.removeEventListener('mouseup', onMouseUp);
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}
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function open(galleryEl, startEl) {
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var links = galleryEl.querySelectorAll('a.luxtools-gallery-item[data-luxtools-full]');
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items = [];
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links.forEach(function (a) {
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var full = a.getAttribute('data-luxtools-full') || a.getAttribute('href') || '';
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var name = a.getAttribute('data-luxtools-name') || a.getAttribute('title') || '';
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if (!full) return;
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items.push({ el: a, full: full, name: name });
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});
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if (!items.length) return;
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index = 0;
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for (var i = 0; i < items.length; i++) {
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if (items[i].el === startEl) { index = i; break; }
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}
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ensureElement();
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pushedHistory = false;
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closingFromPopstate = false;
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lb.classList.add('is-open');
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lb.setAttribute('aria-hidden', 'false');
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try { document.documentElement.classList.add('luxtools-noscroll'); } catch (e) {}
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try { document.body.style.overflow = 'hidden'; } catch (e) {}
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attachListeners();
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try {
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if (window.history && window.history.pushState) {
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window.history.pushState({ luxtoolsLightbox: 1 }, '', window.location.href);
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pushedHistory = true;
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}
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} catch (e) {}
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render();
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}
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function close() {
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if (!lb) return;
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lb.classList.remove('is-open');
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lb.setAttribute('aria-hidden', 'true');
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try { document.documentElement.classList.remove('luxtools-noscroll'); } catch (e) {}
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try { document.body.style.overflow = ''; } catch (e) {}
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img.src = '';
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resetZoom();
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detachListeners();
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if (pushedHistory && !closingFromPopstate) {
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try {
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if (window.history && window.history.state && window.history.state.luxtoolsLightbox === 1) {
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window.history.back();
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}
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} catch (e) {}
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}
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items = [];
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}
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return {
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open: open,
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close: close
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};
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})();
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// ============================================================
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// Gallery Thumbnails
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// ============================================================
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function initGalleryThumbs() {
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var imgs = document.querySelectorAll('div.luxtools-gallery img[data-thumb-src]');
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if (!imgs || !imgs.length) return;
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function loadThumb(img) {
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var src = img.getAttribute('data-thumb-src') || '';
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if (!src) return;
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if (img.getAttribute('data-thumb-loading') === '1') return;
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img.setAttribute('data-thumb-loading', '1');
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var pre = new window.Image();
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pre.onload = function () {
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img.src = src;
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img.removeAttribute('data-thumb-src');
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img.removeAttribute('data-thumb-loading');
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};
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pre.onerror = function () {
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img.removeAttribute('data-thumb-loading');
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};
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pre.src = src;
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}
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if ('IntersectionObserver' in window) {
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var io = new window.IntersectionObserver(function (entries) {
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entries.forEach(function (entry) {
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if (!entry.isIntersecting) return;
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loadThumb(entry.target);
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io.unobserve(entry.target);
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});
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}, { rootMargin: '200px' });
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imgs.forEach(function (img) { io.observe(img); });
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} else {
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// Fallback: load soon after initial render
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window.setTimeout(function () {
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imgs.forEach(loadThumb);
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}, 0);
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}
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}
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// ============================================================
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// Open Service (file:// links)
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// ============================================================
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function getServiceUrl(el) {
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var url = el.getAttribute('data-service-url') || '';
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url = (url || '').trim();
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if (!url) return '';
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// strip trailing slashes
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return url.replace(/\/+$/, '');
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}
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function pingOpenViaImage(el, rawPath) {
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var baseUrl = getServiceUrl(el);
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if (!baseUrl) return;
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var url = baseUrl + '/open?path=' + encodeURIComponent(rawPath);
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// Fire-and-forget without CORS.
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try {
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var img = new window.Image();
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img.src = url;
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} catch (e) {
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// ignore
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}
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}
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function openViaService(el, rawPath) {
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var baseUrl = getServiceUrl(el);
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if (!baseUrl) return Promise.reject(new Error('No client service configured'));
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var headers = {
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'Content-Type': 'application/json'
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};
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return window.fetch(baseUrl + '/open', {
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method: 'POST',
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mode: 'cors',
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credentials: 'omit',
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headers: headers,
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body: JSON.stringify({ path: rawPath })
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}).then(function (res) {
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if (!res.ok) {
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return res.json().catch(function () { return null; }).then(function (body) {
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var msg = (body && body.message) ? body.message : ('HTTP ' + res.status);
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throw new Error(msg);
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});
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}
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return res.json().catch(function () { return { ok: true }; });
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});
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}
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function normalizeToFileUrl(path) {
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if (!path) return '';
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// already a file URL
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if (/^file:\/\//i.test(path)) return path;
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// UNC path: \\server\share\path
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if (/^\\\\/.test(path)) {
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var p = path.replace(/^\\\\/, '');
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p = p.replace(/\\/g, '/');
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return 'file://///' + p;
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}
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// Windows drive: C:\path\to\file
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if (/^[a-zA-Z]:\\/.test(path)) {
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var drive = path[0].toUpperCase();
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var rest = path.slice(2).replace(/\\/g, '/');
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return 'file:///' + drive + ':' + rest;
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}
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// POSIX absolute: /home/user/file
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if (path[0] === '/') {
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return 'file://' + path;
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}
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// Fall back to using the provided string.
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return path;
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}
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function initScratchpads() {
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var pads = document.querySelectorAll('div.luxtools-scratchpad[data-luxtools-scratchpad="1"]');
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if (!pads || !pads.length) return;
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function setEditMode(root, isEditing) {
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if (!root || !root.classList) return;
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var view = root.querySelector('.luxtools-scratchpad-view');
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var editor = root.querySelector('.luxtools-scratchpad-editor');
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if (isEditing) {
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root.classList.add('is-editing');
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if (view) view.hidden = true;
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if (editor) editor.hidden = false;
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} else {
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root.classList.remove('is-editing');
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if (view) view.hidden = false;
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if (editor) editor.hidden = true;
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}
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}
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function setStatus(root, msg) {
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var el = root.querySelector('.luxtools-scratchpad-status');
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if (!el) return;
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el.textContent = msg || '';
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}
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function getSectok(root) {
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// Prefer a token embedded with the rendered scratchpad.
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try {
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if (root && root.getAttribute) {
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var t = String(root.getAttribute('data-sectok') || '').trim();
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if (t) return t;
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}
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} catch (e) {}
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// Fall back to DokuWiki's global JSINFO.
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try {
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if (window.JSINFO && window.JSINFO.sectok) return String(window.JSINFO.sectok);
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} catch (e) {}
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// Last resort: find any security token input on the page.
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try {
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var inp = document.querySelector('input[name="sectok"], input[name="securitytoken"]');
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if (inp && inp.value) return String(inp.value);
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} catch (e2) {}
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return '';
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}
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function loadPad(root) {
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var endpoint = (root.getAttribute('data-endpoint') || '').trim();
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var pad = (root.getAttribute('data-pad') || '').trim();
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var pageId = (root.getAttribute('data-pageid') || '').trim();
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if (!endpoint || !pad || !pageId) return Promise.reject(new Error('missing params'));
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var url = endpoint + '?cmd=load&pad=' + encodeURIComponent(pad) + '&id=' + encodeURIComponent(pageId);
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return window.fetch(url, {
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method: 'GET',
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credentials: 'same-origin'
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}).then(function (res) {
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return res.json().catch(function () { return null; }).then(function (body) {
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if (!res.ok || !body || body.ok !== true) {
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var msg = (body && body.error) ? body.error : ('HTTP ' + res.status);
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throw new Error(msg);
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}
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return body.text || '';
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});
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});
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}
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function savePad(root, text) {
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var endpoint = (root.getAttribute('data-endpoint') || '').trim();
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var pad = (root.getAttribute('data-pad') || '').trim();
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var pageId = (root.getAttribute('data-pageid') || '').trim();
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if (!endpoint || !pad || !pageId) return Promise.reject(new Error('missing params'));
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var params = new window.URLSearchParams();
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params.set('cmd', 'save');
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params.set('pad', pad);
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params.set('id', pageId);
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params.set('text', text || '');
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params.set('sectok', getSectok(root));
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return window.fetch(endpoint, {
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method: 'POST',
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credentials: 'same-origin',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8' },
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body: params.toString()
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}).then(function (res) {
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return res.json().catch(function () { return null; }).then(function (body) {
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if (!res.ok || !body || body.ok !== true) {
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var msg = (body && body.error) ? body.error : ('HTTP ' + res.status);
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throw new Error(msg);
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}
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return true;
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});
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});
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}
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function openEditor(root) {
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var editor = root.querySelector('.luxtools-scratchpad-editor');
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var textarea = root.querySelector('textarea.luxtools-scratchpad-text');
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if (!editor || !textarea) return;
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setEditMode(root, true);
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setStatus(root, 'Loading…');
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textarea.disabled = true;
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loadPad(root).then(function (text) {
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textarea.value = text;
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textarea.disabled = false;
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setStatus(root, '');
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textarea.focus();
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}).catch(function (e) {
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textarea.disabled = false;
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setStatus(root, 'Load failed: ' + (e && e.message ? e.message : 'error'));
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});
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}
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function closeEditor(root) {
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var editor = root.querySelector('.luxtools-scratchpad-editor');
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if (!editor) return;
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setEditMode(root, false);
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setStatus(root, '');
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}
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document.addEventListener('click', function (e) {
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var t = e.target;
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if (!t) return;
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var edit = t.closest ? t.closest('a.luxtools-scratchpad-edit') : null;
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if (edit) {
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var root = edit.closest('div.luxtools-scratchpad');
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if (!root) return;
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e.preventDefault();
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openEditor(root);
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return;
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}
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var save = t.closest ? t.closest('button.luxtools-scratchpad-save') : null;
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if (save) {
|
||
var rootS = save.closest('div.luxtools-scratchpad');
|
||
if (!rootS) return;
|
||
e.preventDefault();
|
||
var textareaS = rootS.querySelector('textarea.luxtools-scratchpad-text');
|
||
if (!textareaS) return;
|
||
textareaS.disabled = true;
|
||
setStatus(rootS, 'Saving…');
|
||
savePad(rootS, textareaS.value).then(function () {
|
||
setStatus(rootS, 'Saved. Reloading…');
|
||
try { window.location.reload(); } catch (err) {}
|
||
}).catch(function (err) {
|
||
textareaS.disabled = false;
|
||
setStatus(rootS, 'Save failed: ' + (err && err.message ? err.message : 'error'));
|
||
});
|
||
return;
|
||
}
|
||
|
||
var cancel = t.closest ? t.closest('button.luxtools-scratchpad-cancel') : null;
|
||
if (cancel) {
|
||
var rootC = cancel.closest('div.luxtools-scratchpad');
|
||
if (!rootC) return;
|
||
e.preventDefault();
|
||
closeEditor(rootC);
|
||
}
|
||
}, true);
|
||
}
|
||
|
||
// ============================================================
|
||
// Click Handlers
|
||
// ============================================================
|
||
function findOpenElement(target) {
|
||
var el = target;
|
||
while (el && el !== document) {
|
||
if (el.classList && el.classList.contains('luxtools-open')) return el;
|
||
el = el.parentNode;
|
||
}
|
||
return null;
|
||
}
|
||
|
||
function findGalleryItem(target) {
|
||
var el = target;
|
||
while (el && el !== document) {
|
||
if (el.classList && el.classList.contains('luxtools-gallery-item')) return el;
|
||
el = el.parentNode;
|
||
}
|
||
return null;
|
||
}
|
||
|
||
function onClick(event) {
|
||
// Image gallery lightbox: intercept clicks so we don't navigate away.
|
||
var galleryItem = findGalleryItem(event.target);
|
||
if (galleryItem) {
|
||
var gallery = galleryItem.closest ? galleryItem.closest('div.luxtools-gallery[data-luxtools-gallery="1"]') : null;
|
||
if (gallery) {
|
||
event.preventDefault();
|
||
Lightbox.open(gallery, galleryItem);
|
||
return;
|
||
}
|
||
}
|
||
|
||
var el = findOpenElement(event.target);
|
||
if (!el) return;
|
||
|
||
// {{open>...}} renders as a link; avoid jumping to '#'.
|
||
if (el.tagName && el.tagName.toLowerCase() === 'a') {
|
||
event.preventDefault();
|
||
}
|
||
|
||
var raw = el.getAttribute('data-path') || '';
|
||
if (!raw) return;
|
||
|
||
// Prefer local client service.
|
||
openViaService(el, raw)
|
||
.catch(function (err) {
|
||
// If the browser blocks the request before it reaches localhost (mixed-content,
|
||
// extensions, stricter CORS handling), fall back to a no-CORS GET ping.
|
||
pingOpenViaImage(el, raw);
|
||
|
||
// Fallback to old behavior (often blocked in modern browsers).
|
||
var url = normalizeToFileUrl(raw);
|
||
if (!url) return;
|
||
console.warn('Local client service failed, falling back to file:// navigation:', err);
|
||
try {
|
||
window.open(url, '_blank', 'noopener');
|
||
} catch (e) {
|
||
try {
|
||
window.location.href = url;
|
||
} catch (e2) {
|
||
console.error('Failed to open file URL:', e2);
|
||
}
|
||
}
|
||
});
|
||
}
|
||
|
||
// ============================================================
|
||
// Initialize
|
||
// ============================================================
|
||
document.addEventListener('click', onClick, false);
|
||
document.addEventListener('DOMContentLoaded', initGalleryThumbs, false);
|
||
document.addEventListener('DOMContentLoaded', initScratchpads, false);
|
||
})();
|