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feat: add PNG/SVG export and expandable card property tips

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Toolbar exports PNG (fit+raster) and SVG; card click expands full fields, hover shows property tooltips, double-click opens the editor.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-09-17 10:43:33 +08:00
parent 23ff27122f
commit 4c9bd5b86f
22 changed files with 978 additions and 315 deletions
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39
apps/web/src/App.tsx
View file

@ -279,13 +279,48 @@ export function App() {
<button
type="button"
onClick={() => {
const el = document.querySelector(".canvas-host canvas") as HTMLCanvasElement | null;
const id = canvasId;
if (!id) return;
const title = (canvas?.title ?? "mindmap").replace(
/[\\/:*?"<>|]+/g,
"_",
);
void fetch(`/api/canvases/${id}/export.svg`)
.then((r) => {
if (!r.ok) throw new Error(String(r.status));
return r.text();
})
.then((svg) => {
const a = document.createElement("a");
a.href = URL.createObjectURL(
new Blob([svg], { type: "image/svg+xml;charset=utf-8" }),
);
a.download = `${title}.svg`;
a.click();
})
.catch(() => {
/* ignore */
});
}}
>
导出SVG
</button>
<button
type="button"
onClick={() => {
const el = document.querySelector(
".canvas-host canvas",
) as HTMLCanvasElement | null;
if (!el) return;
const title = (canvas?.title ?? "mindmap").replace(
/[\\/:*?"<>|]+/g,
"_",
);
el.toBlob((blob) => {
if (!blob) return;
const a = document.createElement("a");
a.href = URL.createObjectURL(blob);
a.download = `${canvas?.title ?? "mindmap"}.png`;
a.download = `${title}.png`;
a.click();
});
}}