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import { Button } from "@/components/ui/button";
import {
Card,
CardDescription,
CardHeader,
CardTitle,
CardFooter,
} from "@/components/ui/card";
import {
DropdownMenu,
DropdownMenuContent,
DropdownMenuRadioGroup,
DropdownMenuRadioItem,
DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { useEffect, useRef, useState } from "react";
import QRCode from "qrcode";
interface VCardExportProps {
sectionChange: (section: string) => void;
vcardText: any;
}
export default function VCardExport({
sectionChange,
vcardText,
}: VCardExportProps) {
const canvasRef = useRef<HTMLCanvasElement | null>(null);
const [resolution, setResolution] = useState<string>("512");
useEffect(() => {
if (canvasRef.current) {
QRCode.toCanvas(canvasRef.current, vcardText, {
width: 256,
margin: 2,
}).catch(console.error);
}
}, [vcardText]);
const downloadQRCode = () => {
const offscreenCanvas = document.createElement("canvas");
QRCode.toCanvas(offscreenCanvas, vcardText, {
width: Number(resolution),
margin: 2,
})
.then(() => {
const pngUrl = offscreenCanvas.toDataURL("image/png");
const link = document.createElement("a");
link.href = pngUrl;
link.download = "vcard_qrcode.png";
link.click();
})
.catch(console.error);
};
return (
<Card className="w-[600px] mx-5">
<CardHeader>
<CardTitle>VCard Qrcode</CardTitle>
<CardDescription>
Sie können nun die Größe (Standard = 512x512px) auswählen und den
QRCode downloaden.
</CardDescription>
</CardHeader>
<CardFooter className="flex justify-between">
<Button onClick={() => sectionChange("form")}>Zurück</Button>
<DropdownMenu>
<DropdownMenuTrigger asChild>
<Button variant="outline">Größe anpassen</Button>
</DropdownMenuTrigger>
<DropdownMenuContent className="w-56">
<DropdownMenuRadioGroup
value={resolution}
onValueChange={setResolution}
>
<DropdownMenuRadioItem value="1024">
1024x1024
</DropdownMenuRadioItem>
<DropdownMenuRadioItem value="512">512x512</DropdownMenuRadioItem>
<DropdownMenuRadioItem value="256">256x256</DropdownMenuRadioItem>
</DropdownMenuRadioGroup>
</DropdownMenuContent>
</DropdownMenu>{" "}
<Button onClick={downloadQRCode}>Download</Button>
</CardFooter>
</Card>
);
}
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