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Learn: remember expanded sections, open only in the last chapter by default

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This commit is contained in:
Vladislav Kopnin
2026-09-17 20:41:54 +03:00
parent 3730c1f173
commit ac7f1d7168
3 changed files with 25 additions and 5 deletions
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18
web/src/main/resources/templates/fragments/base.html
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@@ -35,12 +35,30 @@
function closeModal(id){ var d=document.getElementById(id); if(d) d.close(); }
function openModalData(btn){ openModal(btn.dataset.modal); }
function closeModalData(btn){ closeModal(btn.dataset.modal); }
function sectionStateKey(id){ return 'lms-section-open:' + id; }
function applySectionState(acc){
var id = acc.getAttribute('data-section-id');
var stored = null;
try { stored = id ? localStorage.getItem(sectionStateKey(id)) : null; } catch (e) { /* приватный режим */ }
var open = stored === '1' ? true
: stored === '0' ? false
: acc.getAttribute('data-default-open') === 'true';
acc.classList.toggle('collapsed', !open);
var btn = acc.querySelector('.sub-toggle');
if (btn) btn.setAttribute('aria-expanded', open ? 'true' : 'false');
}
function initSections(){
document.querySelectorAll('.sub-acc[data-section-id]').forEach(applySectionState);
}
function toggleSection(btn){
var acc = btn.closest('.sub-acc');
if (!acc) return;
var collapsed = acc.classList.toggle('collapsed');
btn.setAttribute('aria-expanded', collapsed ? 'false' : 'true');
var id = acc.getAttribute('data-section-id');
if (id) { try { localStorage.setItem(sectionStateKey(id), collapsed ? '0' : '1'); } catch (e) { /* приватный режим */ } }
}
document.addEventListener('DOMContentLoaded', initSections);
</script>
</head>
<body>