claw/exercise-cards-app
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revert: restore previously working PDF export implementation

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OpenClaw Bot
2026-03-08 10:53:02 +01:00
parent 2ca2d6ff97
commit 651c7bfe34
1 changed files with 7 additions and 23 deletions
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30
public/index.html
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@@ -498,17 +498,8 @@ function closeAiModal(){
} }
async function downloadPdf(){ async function downloadPdf(){
const fallbackWin = window.open('', '_blank');
const openPrintFallback = (msg='') => {
if (msg) alert(msg);
if (!fallbackWin) return;
fallbackWin.document.write(`<!doctype html><html><head><meta charset="utf-8"><title>Coachingcards PDF</title></head><body>${app.innerHTML}</body></html>`);
fallbackWin.document.close();
fallbackWin.onload = () => setTimeout(() => fallbackWin.print(), 200);
};
if (!window.html2canvas || !window.jspdf?.jsPDF) { if (!window.html2canvas || !window.jspdf?.jsPDF) {
openPrintFallback('PDF-Export-Bibliothek nicht geladen. Nutze Fallback-Druckdialog.'); alert('PDF-Export-Bibliothek nicht geladen.');
return; return;
} }
@@ -542,15 +533,12 @@ async function downloadPdf(){
const usableH = pageH - margin * 2; const usableH = pageH - margin * 2;
for (let i = 0; i < cards.length; i++) { for (let i = 0; i < cards.length; i++) {
const canvas = await Promise.race([ const canvas = await window.html2canvas(cards[i], {
window.html2canvas(cards[i], { scale: 2,
scale: 2, useCORS: true,
useCORS: true, backgroundColor: '#ffffff',
backgroundColor: '#ffffff', logging: false
logging: false });
}),
new Promise((_, rej) => setTimeout(() => rej(new Error('Render timeout')), 15000))
]);
const img = canvas.toDataURL('image/jpeg', 0.98); const img = canvas.toDataURL('image/jpeg', 0.98);
const imgW = canvas.width; const imgW = canvas.width;
const imgH = canvas.height; const imgH = canvas.height;
@@ -565,10 +553,6 @@ async function downloadPdf(){
} }
pdf.save(`coachingcards-${new Date().toISOString().slice(0,10)}.pdf`); pdf.save(`coachingcards-${new Date().toISOString().slice(0,10)}.pdf`);
if (fallbackWin && !fallbackWin.closed) fallbackWin.close();
} catch (e) {
console.error('PDF export failed', e);
openPrintFallback('PDF-Export fehlgeschlagen – öffne Druckdialog als Fallback.');
} finally { } finally {
root.remove(); root.remove();
} }