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PDF UX: instant rotate, delete all protection, reorder >1 only

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- Rotate: click page = instant rotate + sync (no select+button)
- Delete: cannot delete all pages (error message)
- Reorder: grid only shown when >1 page
- Visual feedback: rotated page dims, hint shows progress
This commit is contained in:
treamz 2026-03-22 10:26:55 +03:00
parent 9193a98bc4
commit b8b1339309
1 changed files with 47 additions and 12 deletions
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53
public/pdf.html
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@ -745,8 +745,7 @@
<span class="option-label" style="margin-top:8px;">Нажмите на страницы для поворота</span>
<div class="page-grid" id="rotatePageGrid"></div>
<div class="grid-action-bar">
<button class="grid-action-btn primary" id="btnRotateSelected" disabled onclick="executeRotatePages()">Повернуть выбранные (<span id="rotateCount">0</span>)</button>
<span class="page-grid-hint" id="rotateHint"></span>
<span class="page-grid-hint" id="rotateHint">Нажмите на страницу для поворота</span>
</div>
</div>
</div>
@ -1189,7 +1188,14 @@
if (_sel && typeof renderPageGrid === 'function') {
renderPageGrid('deletePageGrid', 'deleteHint', _sel.id, _sel.pages, 'delete');
renderPageGrid('rotatePageGrid', 'rotateHint', _sel.id, _sel.pages, 'rotate');
if (_sel.pages > 1) {
renderPageGrid('reorderPageGrid', 'reorderHint', _sel.id, _sel.pages, 'reorder');
} else {
var rg = document.getElementById('reorderPageGrid');
var rh = document.getElementById('reorderHint');
if (rg) rg.innerHTML = '';
if (rh) rh.textContent = 'Нужно больше одной страницы';
}
}
}
@ -1719,15 +1725,13 @@
});
} else if (mode === 'rotate') {
thumb.addEventListener('click', () => {
thumb.classList.toggle('selected');
// Visual rotation preview
if (thumb.classList.contains('selected')) {
// Immediate rotate on click
const angle = state.rotateAngle || 90;
thumb.classList.add('rotate-' + angle);
} else {
thumb.classList.remove('rotate-90', 'rotate-180', 'rotate-270');
}
updateRotateCount();
thumb.style.pointerEvents = 'none';
thumb.style.opacity = '0.6';
// Auto-execute rotate for this page
autoRotatePage(parseInt(thumb.dataset.page), angle);
});
} else if (mode === 'reorder') {
// Drag and drop
@ -1797,6 +1801,11 @@
if (!pages.length) { showError('Выберите страницы'); return; }
const fileId = state.selectedFileId;
if (!fileId) { showError('Выберите файл'); return; }
const selFile = state.files.find(f => f.id === fileId);
if (selFile && pages.length >= selFile.pages) {
showError('Нельзя удалить все страницы');
return;
}
clearError();
// Hide deleted pages visually
const grid = document.getElementById('deletePageGrid');
@ -1917,6 +1926,32 @@
}
}
// Auto-rotate single page on click
let _rotateTimeout = null;
function autoRotatePage(pageNum, angle) {
clearTimeout(_rotateTimeout);
const hint = document.getElementById('rotateHint');
if (hint) hint.textContent = 'Поворот страницы ' + pageNum + '...';
_rotateTimeout = setTimeout(async () => {
const fileId = state.selectedFileId;
if (!fileId) return;
try {
const res = await fetch('/pdf/rotate', {
method: 'POST',
headers: {'Content-Type':'application/json'},
body: JSON.stringify({ fileId, pages: String(pageNum), angle })
});
const data = await res.json();
if (!res.ok) throw new Error(data.error);
if (hint) hint.textContent = 'Страница ' + pageNum + ' повёрнута';
await syncAfterOperation(data);
} catch(e) {
if (hint) hint.textContent = 'Ошибка: ' + e.message;
}
}, 300);
}
})();
</script>