Files
lemonspace_app/components/canvas/export-button.tsx
Matthias da6529f263 feat: enhance canvas functionality with new node types and improved data handling
- Added support for a new "compare" node type to facilitate side-by-side image comparisons.
- Updated AI image and prompt nodes to include aspect ratio handling for better image generation.
- Enhanced canvas toolbar to include export functionality for canvas data.
- Improved data resolution for compare nodes by resolving incoming edges and updating node data accordingly.
- Refactored frame node to support dynamic resizing and exporting capabilities.
- Introduced debounced saving for prompt node to optimize performance during user input.
2026-03-25 21:33:22 +01:00

100 lines
3.0 KiB
TypeScript

"use client";
import { useCallback, useState } from "react";
import { useReactFlow } from "@xyflow/react";
import { useAction } from "convex/react";
import JSZip from "jszip";
import { Archive, Loader2 } from "lucide-react";
import { api } from "@/convex/_generated/api";
import type { Id } from "@/convex/_generated/dataModel";
interface ExportButtonProps {
canvasName?: string;
}
export function ExportButton({ canvasName = "canvas" }: ExportButtonProps) {
const { getNodes } = useReactFlow();
const exportFrame = useAction(api.export.exportFrame);
const [isExporting, setIsExporting] = useState(false);
const [progress, setProgress] = useState<string | null>(null);
const [error, setError] = useState<string | null>(null);
const handleZipExport = useCallback(async () => {
if (isExporting) return;
setIsExporting(true);
setError(null);
try {
const nodes = getNodes();
const frameNodes = nodes.filter((node) => node.type === "frame");
if (frameNodes.length === 0) {
throw new Error("No frames on canvas - add a Frame node first");
}
const zip = new JSZip();
for (let i = 0; i < frameNodes.length; i += 1) {
const frame = frameNodes[i];
const frameLabel =
(frame.data as { label?: string }).label?.trim() || `frame-${i + 1}`;
setProgress(`Exporting ${frameLabel} (${i + 1}/${frameNodes.length})...`);
const result = await exportFrame({
frameNodeId: frame.id as Id<"nodes">,
});
const response = await fetch(result.url);
if (!response.ok) {
throw new Error(`Failed to fetch export for ${frameLabel}`);
}
const blob = await response.blob();
zip.file(`${frameLabel}.png`, blob);
}
setProgress("Packing ZIP...");
const zipBlob = await zip.generateAsync({ type: "blob" });
const url = URL.createObjectURL(zipBlob);
const anchor = document.createElement("a");
anchor.href = url;
anchor.download = `${canvasName}-export.zip`;
anchor.click();
URL.revokeObjectURL(url);
} catch (err) {
setError(err instanceof Error ? err.message : "Export failed");
} finally {
setIsExporting(false);
setProgress(null);
}
}, [canvasName, exportFrame, getNodes, isExporting]);
return (
<div className="relative">
<button
onClick={() => void handleZipExport()}
disabled={isExporting}
title="Export all frames as ZIP"
className="flex items-center gap-2 rounded-md border border-border bg-background px-3 py-2 text-sm font-medium transition-colors hover:bg-accent disabled:cursor-not-allowed disabled:opacity-50"
type="button"
>
{isExporting ? (
<Loader2 className="h-4 w-4 animate-spin" />
) : (
<Archive className="h-4 w-4" />
)}
{progress ?? "Export ZIP"}
</button>
{error && (
<p className="absolute left-0 top-full mt-1 whitespace-nowrap text-xs text-destructive">
{error}
</p>
)}
</div>
);
}