mirror of
https://github.com/mwisnowski/mtg_python_deckbuilder.git
synced 2025-09-22 04:50:46 +02:00
675 lines
33 KiB
JavaScript
675 lines
33 KiB
JavaScript
/* Core app enhancements: tokens, toasts, shortcuts, state, skeletons */
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(function(){
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// Design tokens fallback (in case CSS variables missing in older browsers)
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// No-op here since styles.css defines variables; kept for future JS reads.
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// State persistence helpers (localStorage + URL hash)
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var state = {
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get: function(key, def){
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try { var v = localStorage.getItem('mtg:'+key); return v !== null ? JSON.parse(v) : def; } catch(e){ return def; }
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},
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set: function(key, val){
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try { localStorage.setItem('mtg:'+key, JSON.stringify(val)); } catch(e){}
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},
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inHash: function(obj){
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// Merge obj into location.hash as query-like params
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try {
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var params = new URLSearchParams((location.hash||'').replace(/^#/, ''));
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Object.keys(obj||{}).forEach(function(k){ params.set(k, obj[k]); });
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location.hash = params.toString();
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} catch(e){}
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},
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readHash: function(){
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try { return new URLSearchParams((location.hash||'').replace(/^#/, '')); } catch(e){ return new URLSearchParams(); }
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}
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};
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window.__mtgState = state;
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// Toast system
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var toastHost;
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function ensureToastHost(){
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if (!toastHost){
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toastHost = document.createElement('div');
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toastHost.className = 'toast-host';
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document.body.appendChild(toastHost);
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}
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return toastHost;
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}
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function toast(msg, type, opts){
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ensureToastHost();
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var t = document.createElement('div');
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t.className = 'toast' + (type ? ' '+type : '');
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t.setAttribute('role','status');
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t.setAttribute('aria-live','polite');
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t.textContent = '';
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if (typeof msg === 'string') { t.textContent = msg; }
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else if (msg && msg.nodeType === 1) { t.appendChild(msg); }
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toastHost.appendChild(t);
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var delay = (opts && opts.duration) || 2600;
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setTimeout(function(){ t.classList.add('hide'); setTimeout(function(){ t.remove(); }, 300); }, delay);
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return t;
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}
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window.toast = toast;
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function toastHTML(html, type, opts){
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var container = document.createElement('div');
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container.innerHTML = html;
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return toast(container, type, opts);
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}
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window.toastHTML = toastHTML;
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// Global HTMX error handling => toast
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document.addEventListener('htmx:responseError', function(e){
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var detail = e.detail || {}; var xhr = detail.xhr || {};
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var rid = (xhr.getResponseHeader && xhr.getResponseHeader('X-Request-ID')) || '';
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var payload = (function(){ try { return JSON.parse(xhr.responseText || '{}'); } catch(_){ return {}; } })();
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var status = payload.status || xhr.status || '';
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var msg = payload.detail || payload.message || 'Action failed';
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var path = payload.path || (e && e.detail && e.detail.path) || '';
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var html = ''+
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'<div style="display:flex; align-items:center; gap:.5rem">'+
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'<span style="font-weight:600">'+String(msg)+'</span>'+ (status? ' <span class="muted">('+status+')</span>' : '')+
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(rid ? '<button class="btn small" style="margin-left:auto" type="button" data-copy-error>Copy details</button>' : '')+
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'</div>'+
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(rid ? '<div class="muted" style="font-size:11px; margin-top:2px">Request-ID: <code>'+rid+'</code></div>' : '');
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var t = toastHTML(html, 'error', { duration: 7000 });
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// Wire Copy
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var btn = t.querySelector('[data-copy-error]');
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if (btn){
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btn.addEventListener('click', function(){
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var lines = [
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'Error: '+String(msg),
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'Status: '+String(status),
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'Path: '+String(path || (xhr.responseURL||'')),
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'Request-ID: '+String(rid)
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];
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try { navigator.clipboard.writeText(lines.join('\n')); btn.textContent = 'Copied'; setTimeout(function(){ btn.textContent = 'Copy details'; }, 1200); } catch(_){ }
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});
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}
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// Optional inline banner if a surface is available
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try {
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var target = e && e.target;
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var surface = (target && target.closest && target.closest('[data-error-surface]')) || document.querySelector('[data-error-surface]');
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if (surface){
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var banner = document.createElement('div');
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banner.className = 'inline-error-banner';
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banner.innerHTML = '<strong>'+String(msg)+'</strong>' + (rid? ' <span class="muted">(Request-ID: '+rid+')</span>' : '');
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surface.prepend(banner);
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setTimeout(function(){ banner.remove(); }, 8000);
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}
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} catch(_){ }
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});
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document.addEventListener('htmx:sendError', function(){ toast('Network error', 'error', { duration: 4000 }); });
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// Keyboard shortcuts
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var keymap = {
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' ': function(){ var el = document.querySelector('[data-action="continue"], .btn-continue'); if (el) el.click(); },
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'r': function(){ var el = document.querySelector('[data-action="rerun"], .btn-rerun'); if (el) el.click(); },
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'b': function(){ var el = document.querySelector('[data-action="back"], .btn-back'); if (el) el.click(); },
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'l': function(){ var el = document.querySelector('[data-action="toggle-logs"], .btn-logs'); if (el) el.click(); },
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};
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document.addEventListener('keydown', function(e){
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if (e.target && (/input|textarea|select/i).test(e.target.tagName)) return; // don't hijack inputs
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var k = e.key.toLowerCase();
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// If focus is inside a card tile, defer 'r'/'l' to tile-scoped handlers (Alternatives/Lock)
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try {
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var active = document.activeElement;
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if (active && active.closest && active.closest('.card-tile') && (k === 'r' || k === 'l')) {
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return;
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}
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} catch(_) { /* noop */ }
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if (keymap[k]){ e.preventDefault(); keymap[k](); }
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});
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// Focus ring visibility for keyboard nav
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function addFocusVisible(){
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var hadKeyboardEvent = false;
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function onKeyDown(){ hadKeyboardEvent = true; }
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function onPointer(){ hadKeyboardEvent = false; }
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function onFocus(e){ if (hadKeyboardEvent) e.target.classList.add('focus-visible'); }
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function onBlur(e){ e.target.classList.remove('focus-visible'); }
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window.addEventListener('keydown', onKeyDown, true);
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window.addEventListener('mousedown', onPointer, true);
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window.addEventListener('pointerdown', onPointer, true);
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window.addEventListener('touchstart', onPointer, true);
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document.addEventListener('focusin', onFocus);
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document.addEventListener('focusout', onBlur);
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}
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addFocusVisible();
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// Skeleton utility: swap placeholders before HTMX swaps or on explicit triggers
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function showSkeletons(container){
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(container || document).querySelectorAll('[data-skeleton]')
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.forEach(function(el){ el.classList.add('is-loading'); });
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}
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function hideSkeletons(container){
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(container || document).querySelectorAll('[data-skeleton]')
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.forEach(function(el){ el.classList.remove('is-loading'); });
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}
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window.skeletons = { show: showSkeletons, hide: hideSkeletons };
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document.addEventListener('htmx:beforeRequest', function(e){ showSkeletons(e.target); });
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document.addEventListener('htmx:afterSwap', function(e){ hideSkeletons(e.target); });
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// Example: persist "show skipped" toggle if present
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document.addEventListener('change', function(e){
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var el = e.target;
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if (el && el.matches('[data-pref]')){
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var key = el.getAttribute('data-pref');
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var val = (el.type === 'checkbox') ? !!el.checked : el.value;
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state.set(key, val);
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state.inHash((function(o){ o[key] = val; return o; })({}));
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}
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});
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// On load, initialize any data-pref elements
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document.addEventListener('DOMContentLoaded', function(){
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document.querySelectorAll('[data-pref]').forEach(function(el){
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var key = el.getAttribute('data-pref');
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var saved = state.get(key, undefined);
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if (typeof saved !== 'undefined'){
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if (el.type === 'checkbox') el.checked = !!saved; else el.value = saved;
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}
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});
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hydrateProgress(document);
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syncShowSkipped(document);
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initCardFilters(document);
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initVirtualization(document);
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});
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// Hydrate progress bars with width based on data-pct
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function hydrateProgress(root){
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(root || document).querySelectorAll('.progress[data-pct]')
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.forEach(function(p){
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var pct = parseInt(p.getAttribute('data-pct') || '0', 10);
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if (isNaN(pct) || pct < 0) pct = 0; if (pct > 100) pct = 100;
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var bar = p.querySelector('.bar'); if (!bar) return;
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// Animate width for a bit of delight
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requestAnimationFrame(function(){ bar.style.width = pct + '%'; });
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});
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}
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// Keep hidden inputs for show_skipped in sync with the sticky checkbox
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function syncShowSkipped(root){
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var cb = (root || document).querySelector('input[name="__toggle_show_skipped"][data-pref]');
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if (!cb) return;
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var val = cb.checked ? '1' : '0';
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(root || document).querySelectorAll('section form').forEach(function(f){
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var h = f.querySelector('input[name="show_skipped"]');
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if (h) h.value = val;
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});
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}
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document.addEventListener('htmx:afterSwap', function(e){
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hydrateProgress(e.target);
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syncShowSkipped(e.target);
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initCardFilters(e.target);
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initVirtualization(e.target);
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});
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// Scroll a card-tile into view (cooperates with virtualization by re-rendering first)
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function scrollCardIntoView(name){
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if (!name) return;
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try{
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var section = document.querySelector('section');
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var grid = section && section.querySelector('.card-grid');
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if (!grid) return;
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// If virtualized, force a render around the approximate match by searching stored children
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var target = grid.querySelector('.card-tile[data-card-name="'+CSS.escape(name)+'"]');
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if (!target) {
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// Trigger a render update and try again
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grid.dispatchEvent(new Event('scroll')); // noop but can refresh
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target = grid.querySelector('.card-tile[data-card-name="'+CSS.escape(name)+'"]');
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}
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if (target) {
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target.scrollIntoView({ block: 'center', behavior: 'smooth' });
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target.focus && target.focus();
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}
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}catch(_){}
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}
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window.scrollCardIntoView = scrollCardIntoView;
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// --- Card grid filters, reasons, and collapsible groups ---
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function initCardFilters(root){
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var section = (root || document).querySelector('section');
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if (!section) return;
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var toolbar = section.querySelector('.cards-toolbar');
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if (!toolbar) return; // nothing to do
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var q = toolbar.querySelector('input[name="filter_query"]');
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var ownedSel = toolbar.querySelector('select[name="filter_owned"]');
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var showReasons = toolbar.querySelector('input[name="show_reasons"]');
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var collapseGroups = toolbar.querySelector('input[name="collapse_groups"]');
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var resultsEl = toolbar.querySelector('[data-results]');
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var emptyEl = section.querySelector('[data-empty]');
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var sortSel = toolbar.querySelector('select[name="filter_sort"]');
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var chipOwned = toolbar.querySelector('[data-chip-owned="owned"]');
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var chipNot = toolbar.querySelector('[data-chip-owned="not"]');
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var chipAll = toolbar.querySelector('[data-chip-owned="all"]');
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var chipClear = toolbar.querySelector('[data-chip-clear]');
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function getVal(el){ return el ? (el.type === 'checkbox' ? !!el.checked : (el.value||'')) : ''; }
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// Read URL hash on first init to hydrate controls
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try {
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var params = window.__mtgState.readHash();
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if (params){
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var hv = params.get('q'); if (q && hv !== null) q.value = hv;
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hv = params.get('owned'); if (ownedSel && hv) ownedSel.value = hv;
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hv = params.get('showreasons'); if (showReasons && hv !== null) showReasons.checked = (hv === '1');
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hv = params.get('collapse'); if (collapseGroups && hv !== null) collapseGroups.checked = (hv === '1');
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hv = params.get('sort'); if (sortSel && hv) sortSel.value = hv;
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}
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} catch(_){}
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function apply(){
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var query = (getVal(q)+ '').toLowerCase().trim();
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var ownedMode = (getVal(ownedSel) || 'all');
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var showR = !!getVal(showReasons);
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var collapse = !!getVal(collapseGroups);
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var sortMode = (getVal(sortSel) || 'az');
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// Toggle reasons visibility via section class
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section.classList.toggle('hide-reasons', !showR);
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// Collapse or expand all groups if toggle exists; when not collapsed, restore per-group stored state
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section.querySelectorAll('.group').forEach(function(wrapper){
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var grid = wrapper.querySelector('.group-grid'); if (!grid) return;
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var key = wrapper.getAttribute('data-group-key');
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if (collapse){
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grid.setAttribute('data-collapsed','1');
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} else {
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// restore stored
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if (key){
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var stored = state.get('cards:group:'+key, null);
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if (stored === true){ grid.setAttribute('data-collapsed','1'); }
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else { grid.removeAttribute('data-collapsed'); }
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} else {
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grid.removeAttribute('data-collapsed');
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}
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}
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});
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// Filter tiles
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var tiles = section.querySelectorAll('.card-grid .card-tile');
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var visible = 0;
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tiles.forEach(function(tile){
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var name = (tile.getAttribute('data-card-name')||'').toLowerCase();
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var role = (tile.getAttribute('data-role')||'').toLowerCase();
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var tags = (tile.getAttribute('data-tags')||'').toLowerCase();
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var owned = tile.getAttribute('data-owned') === '1';
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var text = name + ' ' + role + ' ' + tags;
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var qOk = !query || text.indexOf(query) !== -1;
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var oOk = (ownedMode === 'all') || (ownedMode === 'owned' && owned) || (ownedMode === 'not' && !owned);
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var show = qOk && oOk;
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tile.style.display = show ? '' : 'none';
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if (show) visible++;
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});
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// Sort within each grid
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function keyFor(tile){
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var name = (tile.getAttribute('data-card-name')||'');
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var owned = tile.getAttribute('data-owned') === '1' ? 1 : 0;
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var gc = tile.classList.contains('game-changer') ? 1 : 0;
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return { name: name.toLowerCase(), owned: owned, gc: gc };
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}
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section.querySelectorAll('.card-grid').forEach(function(grid){
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var arr = Array.prototype.slice.call(grid.querySelectorAll('.card-tile'));
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arr.sort(function(a,b){
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var ka = keyFor(a), kb = keyFor(b);
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if (sortMode === 'owned'){
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if (kb.owned !== ka.owned) return kb.owned - ka.owned;
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if (kb.gc !== ka.gc) return kb.gc - ka.gc; // gc next
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return ka.name.localeCompare(kb.name);
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} else if (sortMode === 'gc'){
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if (kb.gc !== ka.gc) return kb.gc - ka.gc;
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if (kb.owned !== ka.owned) return kb.owned - ka.owned;
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return ka.name.localeCompare(kb.name);
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}
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// default A–Z
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return ka.name.localeCompare(kb.name);
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});
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arr.forEach(function(el){ grid.appendChild(el); });
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});
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// Update group counts based on visible tiles within each group
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section.querySelectorAll('.group').forEach(function(wrapper){
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var grid = wrapper.querySelector('.group-grid');
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var count = 0;
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if (grid){
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grid.querySelectorAll('.card-tile').forEach(function(t){ if (t.style.display !== 'none') count++; });
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}
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var cEl = wrapper.querySelector('[data-count]');
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if (cEl) cEl.textContent = count;
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});
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if (resultsEl) resultsEl.textContent = String(visible);
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if (emptyEl) emptyEl.hidden = (visible !== 0);
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// Persist prefs
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if (q && q.hasAttribute('data-pref')) state.set(q.getAttribute('data-pref'), q.value);
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if (ownedSel && ownedSel.hasAttribute('data-pref')) state.set(ownedSel.getAttribute('data-pref'), ownedSel.value);
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if (showReasons && showReasons.hasAttribute('data-pref')) state.set(showReasons.getAttribute('data-pref'), !!showReasons.checked);
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if (collapseGroups && collapseGroups.hasAttribute('data-pref')) state.set(collapseGroups.getAttribute('data-pref'), !!collapseGroups.checked);
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if (sortSel && sortSel.hasAttribute('data-pref')) state.set(sortSel.getAttribute('data-pref'), sortSel.value);
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// Update URL hash for shareability
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try { window.__mtgState.inHash({ q: query, owned: ownedMode, showreasons: showR ? 1 : 0, collapse: collapse ? 1 : 0, sort: sortMode }); } catch(_){ }
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}
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// Wire events
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if (q) q.addEventListener('input', apply);
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if (ownedSel) ownedSel.addEventListener('change', apply);
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if (showReasons) showReasons.addEventListener('change', apply);
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if (collapseGroups) collapseGroups.addEventListener('change', apply);
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if (chipOwned) chipOwned.addEventListener('click', function(){ if (ownedSel){ ownedSel.value = 'owned'; } apply(); });
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if (chipNot) chipNot.addEventListener('click', function(){ if (ownedSel){ ownedSel.value = 'not'; } apply(); });
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if (chipAll) chipAll.addEventListener('click', function(){ if (ownedSel){ ownedSel.value = 'all'; } apply(); });
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if (chipClear) chipClear.addEventListener('click', function(){ if (q) q.value=''; if (ownedSel) ownedSel.value='all'; apply(); });
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// Individual group toggles
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section.querySelectorAll('.group-header .toggle').forEach(function(btn){
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btn.addEventListener('click', function(){
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var wrapper = btn.closest('.group');
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var grid = wrapper && wrapper.querySelector('.group-grid');
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if (!grid) return;
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var key = wrapper.getAttribute('data-group-key');
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var willCollapse = !grid.getAttribute('data-collapsed');
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if (willCollapse) grid.setAttribute('data-collapsed','1'); else grid.removeAttribute('data-collapsed');
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if (key){ state.set('cards:group:'+key, !!willCollapse); }
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// ARIA
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btn.setAttribute('aria-expanded', willCollapse ? 'false' : 'true');
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});
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});
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// Per-card reason toggle: delegate clicks on .btn-why
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section.addEventListener('click', function(e){
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var t = e.target;
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if (!t || !t.classList || !t.classList.contains('btn-why')) return;
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e.preventDefault();
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var tile = t.closest('.card-tile');
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if (!tile) return;
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var globalHidden = section.classList.contains('hide-reasons');
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if (globalHidden){
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// Force-show overrides global hidden
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var on = tile.classList.toggle('force-show');
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if (on) tile.classList.remove('force-hide');
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t.textContent = on ? 'Hide why' : 'Why?';
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} else {
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// Hide this tile only
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var off = tile.classList.toggle('force-hide');
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if (off) tile.classList.remove('force-show');
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t.textContent = off ? 'Show why' : 'Hide why';
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}
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});
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// Initial apply on hydrate
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apply();
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// Keyboard helpers: '/' focuses query, Esc clears
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function onKey(e){
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// avoid when typing in inputs
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if (e.target && (/input|textarea|select/i).test(e.target.tagName)) return;
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if (e.key === '/'){
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if (q){ e.preventDefault(); q.focus(); q.select && q.select(); }
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} else if (e.key === 'Escape'){
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if (q && q.value){ q.value=''; apply(); }
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}
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}
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document.addEventListener('keydown', onKey);
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}
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// --- Lightweight virtualization (feature-flagged via data-virtualize) ---
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function initVirtualization(root){
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try{
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var body = document.body || document.documentElement;
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var DIAG = !!(body && body.getAttribute('data-diag') === '1');
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// Global diagnostics aggregator
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var GLOBAL = (function(){
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if (!DIAG) return null;
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if (window.__virtGlobal) return window.__virtGlobal;
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var store = { grids: [], summaryEl: null };
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function ensure(){
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if (!store.summaryEl){
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var el = document.createElement('div');
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el.id = 'virt-global-diag';
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el.style.position = 'fixed';
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el.style.right = '8px';
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el.style.bottom = '8px';
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el.style.background = 'rgba(17,24,39,.85)';
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el.style.border = '1px solid var(--border)';
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el.style.padding = '.25rem .5rem';
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el.style.borderRadius = '6px';
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el.style.fontSize = '12px';
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el.style.color = '#cbd5e1';
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el.style.zIndex = '50';
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el.style.boxShadow = '0 4px 12px rgba(0,0,0,.35)';
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el.style.cursor = 'default';
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// Hidden by default; toggle with 'v'
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el.style.display = 'none';
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document.body.appendChild(el);
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store.summaryEl = el;
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}
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return store.summaryEl;
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}
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function update(){
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var el = ensure(); if (!el) return;
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var g = store.grids;
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var total = 0, visible = 0, lastMs = 0;
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for (var i=0;i<g.length;i++){
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total += g[i].total||0;
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visible += (g[i].end||0) - (g[i].start||0);
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lastMs = Math.max(lastMs, g[i].lastMs||0);
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}
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el.textContent = 'virt sum: grids '+g.length+' • visible '+visible+'/'+total+' • last '+lastMs.toFixed ? lastMs.toFixed(1) : String(lastMs)+'ms';
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}
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function register(gridId, ref){
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store.grids.push({ id: gridId, ref: ref });
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update();
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return {
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set: function(stats){
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for (var i=0;i<store.grids.length;i++){
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if (store.grids[i].id === gridId){
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store.grids[i] = Object.assign({ id: gridId, ref: ref }, stats);
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break;
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}
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}
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update();
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},
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toggle: function(){ var el = ensure(); el.style.display = (el.style.display === 'none' ? '' : 'none'); }
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};
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}
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window.__virtGlobal = { register: register, toggle: function(){ var el = ensure(); el.style.display = (el.style.display === 'none' ? '' : 'none'); } };
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return window.__virtGlobal;
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})();
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// Support card grids and other scroll containers (e.g., #owned-box)
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var grids = (root || document).querySelectorAll('.card-grid[data-virtualize="1"], #owned-box[data-virtualize="1"]');
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if (!grids.length) return;
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grids.forEach(function(grid){
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if (grid.__virtBound) return;
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grid.__virtBound = true;
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// Basic windowing: assumes roughly similar tile heights; uses sentinel measurements.
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var container = grid;
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container.style.position = container.style.position || 'relative';
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var wrapper = document.createElement('div');
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wrapper.className = 'virt-wrapper';
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// Ensure wrapper itself is a grid to preserve multi-column layout inside
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// when the container (e.g., .card-grid) is virtualized.
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wrapper.style.display = 'grid';
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// Move children into a fragment store (for owned, children live under UL)
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var source = container;
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// If this is the owned box, use the UL inside as the source list
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var ownedGrid = container.id === 'owned-box' ? container.querySelector('#owned-grid') : null;
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if (ownedGrid) { source = ownedGrid; }
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var all = Array.prototype.slice.call(source.children);
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// Threshold: skip virtualization for small grids to avoid scroll jitter at end-of-list.
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// Empirically flicker was reported when reaching the bottom of short grids (e.g., < 80 tiles)
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// due to dynamic height adjustments (image loads + padding recalcs). Keeping full DOM
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// is cheaper than the complexity for small sets.
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var MIN_VIRT_ITEMS = 80;
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if (all.length < MIN_VIRT_ITEMS){
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// Mark as processed so we don't attempt again on HTMX swaps.
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return; // children remain in place; no virtualization applied.
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}
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var store = document.createElement('div');
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store.style.display = 'none';
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all.forEach(function(n){ store.appendChild(n); });
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var padTop = document.createElement('div');
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var padBottom = document.createElement('div');
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padTop.style.height = '0px'; padBottom.style.height = '0px';
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// For owned, keep the UL but render into it; otherwise append wrapper to container
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if (ownedGrid){
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ownedGrid.innerHTML = '';
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ownedGrid.appendChild(padTop);
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ownedGrid.appendChild(wrapper);
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ownedGrid.appendChild(padBottom);
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ownedGrid.appendChild(store);
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} else {
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container.appendChild(wrapper);
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container.appendChild(padBottom);
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container.appendChild(store);
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}
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var rowH = container.id === 'owned-box' ? 160 : 240; // estimate tile height
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var perRow = 1;
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// Optional diagnostics overlay
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var diagBox = null; var lastRenderAt = 0; var lastRenderMs = 0;
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var renderCount = 0; var measureCount = 0; var swapCount = 0;
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var gridId = (container.id || container.className || 'grid') + '#' + Math.floor(Math.random()*1e6);
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var globalReg = DIAG && GLOBAL ? GLOBAL.register(gridId, container) : null;
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function fmt(n){ try{ return (Math.round(n*10)/10).toFixed(1); }catch(_){ return String(n); } }
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function ensureDiag(){
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if (!DIAG) return null;
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if (diagBox) return diagBox;
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diagBox = document.createElement('div');
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diagBox.className = 'virt-diag';
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diagBox.style.position = 'sticky';
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diagBox.style.top = '0';
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diagBox.style.zIndex = '5';
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diagBox.style.background = 'rgba(17,24,39,.85)';
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diagBox.style.border = '1px solid var(--border)';
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diagBox.style.padding = '.25rem .5rem';
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diagBox.style.borderRadius = '6px';
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diagBox.style.fontSize = '12px';
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diagBox.style.margin = '0 0 .35rem 0';
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diagBox.style.color = '#cbd5e1';
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diagBox.style.display = 'none'; // hidden until toggled
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// Controls
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var controls = document.createElement('div');
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controls.style.display = 'flex';
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controls.style.gap = '.35rem';
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controls.style.alignItems = 'center';
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controls.style.marginBottom = '.25rem';
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var title = document.createElement('div'); title.textContent = 'virt diag'; title.style.fontWeight = '600'; title.style.fontSize = '11px'; title.style.color = '#9ca3af';
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var btnCopy = document.createElement('button'); btnCopy.type = 'button'; btnCopy.textContent = 'Copy'; btnCopy.className = 'btn small';
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btnCopy.addEventListener('click', function(){ try{ var payload = {
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id: gridId, rowH: rowH, perRow: perRow, start: start, end: end, total: total,
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renderCount: renderCount, measureCount: measureCount, swapCount: swapCount,
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lastRenderMs: lastRenderMs, lastRenderAt: lastRenderAt
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}; navigator.clipboard.writeText(JSON.stringify(payload, null, 2)); btnCopy.textContent = 'Copied'; setTimeout(function(){ btnCopy.textContent = 'Copy'; }, 1200); }catch(_){ }
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});
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var btnHide = document.createElement('button'); btnHide.type = 'button'; btnHide.textContent = 'Hide'; btnHide.className = 'btn small';
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btnHide.addEventListener('click', function(){ diagBox.style.display = 'none'; });
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controls.appendChild(title); controls.appendChild(btnCopy); controls.appendChild(btnHide);
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diagBox.appendChild(controls);
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var text = document.createElement('div'); text.className = 'virt-diag-text'; diagBox.appendChild(text);
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var host = (container.id === 'owned-box') ? container : container.parentElement || container;
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host.insertBefore(diagBox, host.firstChild);
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return diagBox;
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}
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function measure(){
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try {
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measureCount++;
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// create a temp tile to measure if none
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var probe = store.firstElementChild || all[0];
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if (probe){
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var fake = probe.cloneNode(true);
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fake.style.position = 'absolute'; fake.style.visibility = 'hidden'; fake.style.pointerEvents = 'none';
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(ownedGrid || container).appendChild(fake);
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var rect = fake.getBoundingClientRect();
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rowH = Math.max(120, Math.ceil(rect.height) + 16);
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(ownedGrid || container).removeChild(fake);
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}
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// Estimate perRow via computed styles of grid
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var style = window.getComputedStyle(ownedGrid || container);
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var cols = style.getPropertyValue('grid-template-columns');
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// Mirror grid settings onto the wrapper so its children still flow in columns
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try {
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if (cols && cols.trim()) wrapper.style.gridTemplateColumns = cols;
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var gap = style.getPropertyValue('gap') || style.getPropertyValue('grid-gap');
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if (gap && gap.trim()) wrapper.style.gap = gap;
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// Inherit justify/align if present
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var ji = style.getPropertyValue('justify-items');
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if (ji && ji.trim()) wrapper.style.justifyItems = ji;
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var ai = style.getPropertyValue('align-items');
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if (ai && ai.trim()) wrapper.style.alignItems = ai;
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} catch(_) {}
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perRow = Math.max(1, (cols && cols.split ? cols.split(' ').filter(function(x){return x && (x.indexOf('px')>-1 || x.indexOf('fr')>-1 || x.indexOf('minmax(')>-1);}).length : 1));
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} catch(_){}
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}
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measure();
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var total = all.length;
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var start = 0, end = 0;
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function render(){
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var t0 = DIAG ? performance.now() : 0;
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var scroller = container;
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var vh = scroller.clientHeight || window.innerHeight;
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var scrollTop = scroller.scrollTop;
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// If container isn’t scrollable, use window scroll offset
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var top = scrollTop || (scroller.getBoundingClientRect().top < 0 ? -scroller.getBoundingClientRect().top : 0);
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var rowsInView = Math.ceil(vh / rowH) + 2; // overscan
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var rowStart = Math.max(0, Math.floor(top / rowH) - 1);
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var rowEnd = Math.min(Math.ceil((top / rowH)) + rowsInView, Math.ceil(total / perRow));
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var newStart = rowStart * perRow;
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var newEnd = Math.min(total, rowEnd * perRow);
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if (newStart === start && newEnd === end) return; // no change
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start = newStart; end = newEnd;
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// Padding
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var beforeRows = Math.floor(start / perRow);
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var afterRows = Math.ceil((total - end) / perRow);
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padTop.style.height = (beforeRows * rowH) + 'px';
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padBottom.style.height = (afterRows * rowH) + 'px';
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// Render visible children
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wrapper.innerHTML = '';
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for (var i = start; i < end; i++) {
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var node = all[i];
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if (node) wrapper.appendChild(node);
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}
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if (DIAG){
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var box = ensureDiag();
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if (box){
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var dt = performance.now() - t0; lastRenderMs = dt; renderCount++; lastRenderAt = Date.now();
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var vis = end - start; var rowsTotal = Math.ceil(total / perRow);
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var textEl = box.querySelector('.virt-diag-text');
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var msg = 'range ['+start+'..'+end+') of '+total+' • vis '+vis+' • rows ~'+rowsTotal+' • perRow '+perRow+' • rowH '+rowH+'px • render '+fmt(dt)+'ms • renders '+renderCount+' • measures '+measureCount+' • swaps '+swapCount;
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textEl.textContent = msg;
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// Health hint
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var bad = (dt > 33) || (vis > 300);
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var warn = (!bad) && ((dt > 16) || (vis > 200));
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box.style.borderColor = bad ? '#ef4444' : (warn ? '#f59e0b' : 'var(--border)');
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box.style.boxShadow = bad ? '0 0 0 1px rgba(239,68,68,.35)' : (warn ? '0 0 0 1px rgba(245,158,11,.25)' : 'none');
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if (globalReg && globalReg.set){ globalReg.set({ total: total, start: start, end: end, lastMs: dt }); }
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}
|
||
}
|
||
}
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||
function onScroll(){ render(); }
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||
function onResize(){ measure(); render(); }
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container.addEventListener('scroll', onScroll);
|
||
window.addEventListener('resize', onResize);
|
||
// Initial size; ensure container is scrollable for our logic
|
||
if (!container.style.maxHeight) container.style.maxHeight = '70vh';
|
||
container.style.overflow = container.style.overflow || 'auto';
|
||
render();
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||
// Re-render after filters resort or HTMX swaps
|
||
document.addEventListener('htmx:afterSwap', function(ev){ if (container.contains(ev.target)) { swapCount++; all = Array.prototype.slice.call(store.children).concat(Array.prototype.slice.call(wrapper.children)); total = all.length; measure(); render(); } });
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||
// Keyboard toggle for overlays: 'v'
|
||
if (DIAG && !window.__virtHotkeyBound){
|
||
window.__virtHotkeyBound = true;
|
||
document.addEventListener('keydown', function(e){
|
||
try{
|
||
if (e.target && (/input|textarea|select/i).test(e.target.tagName)) return;
|
||
if (e.key && e.key.toLowerCase() === 'v'){
|
||
e.preventDefault();
|
||
// Toggle all virt-diag boxes and the global summary
|
||
var shown = null;
|
||
document.querySelectorAll('.virt-diag').forEach(function(b){ if (shown === null) shown = (b.style.display === 'none'); b.style.display = shown ? '' : 'none'; });
|
||
if (GLOBAL && GLOBAL.toggle) GLOBAL.toggle();
|
||
}
|
||
}catch(_){ }
|
||
});
|
||
}
|
||
});
|
||
}catch(_){ }
|
||
}
|
||
|
||
// LQIP blur/fade-in for thumbnails marked with data-lqip
|
||
document.addEventListener('DOMContentLoaded', function(){
|
||
try{
|
||
document.querySelectorAll('img[data-lqip]')
|
||
.forEach(function(img){
|
||
img.classList.add('lqip');
|
||
img.addEventListener('load', function(){ img.classList.add('loaded'); }, { once: true });
|
||
});
|
||
}catch(_){ }
|
||
});
|
||
})();
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