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// src/components/SorlangPage.tsx
"use client"; // For Next.js App Router, if applicable
import React, {
useState,
useRef,
useTransition,
useEffect,
useCallback,
startTransition,
} from "react";
import { Button } from "@/components/ui/button";
import { Textarea } from "@/components/ui/textarea";
import {
Card,
CardContent,
CardFooter,
CardHeader,
CardTitle,
} from "@/components/ui/card";
import { Loader2 } from "lucide-react"; // Loading spinner
const SorlangPage: React.FC = () => {
const [textValue, setTextValue] = useState<string>("");
const [pastedImageUrl, setPastedImageUrl] = useState<string | null>(null);
const [pastedImageFile, setPastedImageFile] = useState<File | null>(null); // Store the file for extraction
const [isExtracting, setIsExtracting] = useState<boolean>(false);
const [extractedTextResult, setExtractedTextResult] = useState<string | null>(
null,
);
const textareaRef = useRef<HTMLTextAreaElement>(null);
// Cleanup object URL when component unmounts or image changes
useEffect(() => {
return () => {
if (pastedImageUrl) {
URL.revokeObjectURL(pastedImageUrl);
}
};
}, [pastedImageUrl]);
const handlePaste = useCallback(
(event: React.ClipboardEvent<HTMLTextAreaElement>) => {
const items = event.clipboardData?.items;
console.log({ items });
if (!items) return;
let imageFound = false;
for (let i = 0; i < items.length; i++) {
const item = items[i];
if (!item) return;
if (item.kind === "file" && item.type.startsWith("image/")) {
event.preventDefault(); // Prevent pasting image data as text
const file = item.getAsFile();
if (file) {
if (pastedImageUrl) {
URL.revokeObjectURL(pastedImageUrl); // Revoke previous if any
}
const newImageUrl = URL.createObjectURL(file);
setPastedImageUrl(newImageUrl);
setPastedImageFile(file);
setTextValue(""); // Clear textarea when image is pasted, or decide on desired behavior
setExtractedTextResult(null); // Clear previous extraction results
imageFound = true;
}
break; // Handle first image found
}
}
// If no image was found, let the default text paste happen
// Or, if you want to explicitly handle text paste:
if (!imageFound) {
// Let the default textarea paste handle it, or:
// event.preventDefault();
// const text = event.clipboardData.getData('text/plain');
// setTextValue(prev => prev + text); // Or replace, depending on desired behavior
// setPastedImageUrl(null); // Clear image if text is pasted
// setPastedImageFile(null);
}
},
[pastedImageUrl],
);
const handleProcessText = () => {
if (!textValue.trim()) {
alert("Text area is empty!");
return;
}
console.log("Processing text:", textValue);
// Add your text processing logic here
alert(
`Text submitted: "${textValue.substring(0, 50)}${textValue.length > 50 ? "..." : ""}"`,
);
};
const [isPending, startTransition] = useTransition();
const onClick = () => {
startTransition(async () => {
const lol = "lmao";
});
};
const handleExtractTextFromImage = async () => {
if (!pastedImageFile) {
alert("No image to extract text from!");
return;
}
setIsExtracting(true);
setExtractedTextResult(null);
console.log("Extracting text from image:", pastedImageFile.name);
// --- SIMULATE OCR API CALL ---
// In a real app, you would send `pastedImageFile` to a backend
// or use a client-side OCR library like Tesseract.js
await new Promise((resolve) => setTimeout(resolve, 2000)); // Simulate network delay
// Example: Simulate successful extraction
const mockExtractedText = `This is simulated extracted text from "${pastedImageFile.name}".\nIt could be multiple lines.`;
// Example: Simulate an error
// const mockExtractedText = null;
// alert("Failed to extract text (simulated).");
if (mockExtractedText) {
setTextValue(mockExtractedText); // Put extracted text into the textarea
setExtractedTextResult(
`Successfully extracted text and placed it in the textarea.`,
);
} else {
setExtractedTextResult("Failed to extract text (simulated).");
}
// --- END SIMULATION ---
setIsExtracting(false);
// Optionally clear the image after attempting extraction
// setPastedImageUrl(null);
// setPastedImageFile(null);
};
const handleClearImage = () => {
if (pastedImageUrl) {
URL.revokeObjectURL(pastedImageUrl);
}
setPastedImageUrl(null);
setPastedImageFile(null);
setExtractedTextResult(null);
};
return (
<div className="flex min-h-screen flex-col items-center justify-center bg-background p-4">
<Card className="w-full max-w-2xl">
<CardHeader>
<CardTitle className="text-center text-3xl font-bold">
Sorlang
</CardTitle>
</CardHeader>
<CardContent className="space-y-6">
<Textarea
ref={textareaRef}
value={textValue}
onChange={(e) => setTextValue(e.target.value)}
onPaste={handlePaste}
placeholder="Paste text here, or paste an image..."
className="min-h-[200px] text-base"
aria-label="Input text area"
/>
{pastedImageUrl && (
<div className="mt-4 p-4 border rounded-md bg-muted/40">
<div className="flex justify-between items-start mb-2">
<h3 className="text-lg font-semibold">Pasted Image:</h3>
<Button
variant="ghost"
size="sm"
onClick={handleClearImage}
className="text-xs"
>
Clear Image
</Button>
</div>
<img
src={pastedImageUrl}
alt="Pasted content"
className="max-w-full max-h-60 mx-auto rounded-md border"
/>
</div>
)}
{extractedTextResult && (
<p
className={`mt-2 text-sm ${extractedTextResult.startsWith("Failed") ? "text-destructive" : "text-green-600"}`}
>
{extractedTextResult}
</p>
)}
</CardContent>
<CardFooter className="flex flex-col sm:flex-row justify-center gap-4">
{pastedImageUrl ? (
<Button
onClick={handleExtractTextFromImage}
disabled={isExtracting}
className="w-full sm:w-auto"
>
{isExtracting ? (
<>
<Loader2 className="mr-2 h-4 w-4 animate-spin" />
Extracting...
</>
) : (
"Extract Text from Image"
)}
</Button>
) : (
<Button onClick={handleProcessText} className="w-full sm:w-auto">
Process Text
</Button>
)}
</CardFooter>
</Card>
<footer className="mt-8 text-center text-sm text-muted-foreground">
<p>© {new Date().getFullYear()} Sorlang App. All rights reserved.</p>
</footer>
</div>
);
};
export default SorlangPage;
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