254 lines
8.8 KiB
TypeScript
254 lines
8.8 KiB
TypeScript
"use client";
|
|
|
|
import { useState, useEffect } from "react";
|
|
import { useTranslations } from "next-intl";
|
|
import { X, Download, Loader2 } from "lucide-react";
|
|
import { Button } from "@/components/ui/button";
|
|
import { getFilePreviewKind } from "@/lib/file-preview";
|
|
|
|
interface FilePreviewModalProps {
|
|
name: string;
|
|
onClose: () => void;
|
|
onDownload: () => Promise<void> | void;
|
|
getFileContent: () => Promise<{ blob: Blob; contentType: string }>;
|
|
}
|
|
|
|
function SimpleMarkdown({ content }: { content: string }) {
|
|
const lines = content.split("\n");
|
|
const elements: React.ReactNode[] = [];
|
|
|
|
for (let i = 0; i < lines.length; i++) {
|
|
const line = lines[i];
|
|
|
|
// Headers
|
|
if (line.startsWith("### ")) {
|
|
elements.push(<h3 key={i} className="text-lg font-semibold mt-4 mb-2">{processInline(line.slice(4))}</h3>);
|
|
} else if (line.startsWith("## ")) {
|
|
elements.push(<h2 key={i} className="text-xl font-semibold mt-5 mb-2">{processInline(line.slice(3))}</h2>);
|
|
} else if (line.startsWith("# ")) {
|
|
elements.push(<h1 key={i} className="text-2xl font-bold mt-6 mb-3">{processInline(line.slice(2))}</h1>);
|
|
} else if (line.startsWith("---") || line.startsWith("***")) {
|
|
elements.push(<hr key={i} className="my-4 border-border" />);
|
|
} else if (line.startsWith("- ") || line.startsWith("* ")) {
|
|
elements.push(<li key={i} className="ml-4 list-disc">{processInline(line.slice(2))}</li>);
|
|
} else if (/^\d+\. /.test(line)) {
|
|
elements.push(<li key={i} className="ml-4 list-decimal">{processInline(line.replace(/^\d+\. /, ""))}</li>);
|
|
} else if (line.startsWith("> ")) {
|
|
elements.push(<blockquote key={i} className="border-l-4 border-border pl-4 italic text-muted-foreground my-2">{processInline(line.slice(2))}</blockquote>);
|
|
} else if (line.startsWith("```")) {
|
|
// Code block - collect until closing ```
|
|
const codeLines: string[] = [];
|
|
i++;
|
|
while (i < lines.length && !lines[i].startsWith("```")) {
|
|
codeLines.push(lines[i]);
|
|
i++;
|
|
}
|
|
elements.push(
|
|
<pre key={i} className="bg-muted rounded p-3 my-2 overflow-x-auto text-sm font-mono">
|
|
<code>{codeLines.join("\n")}</code>
|
|
</pre>
|
|
);
|
|
} else if (line.trim() === "") {
|
|
elements.push(<div key={i} className="h-2" />);
|
|
} else {
|
|
elements.push(<p key={i} className="my-1">{processInline(line)}</p>);
|
|
}
|
|
}
|
|
|
|
return <div className="prose prose-sm dark:prose-invert max-w-none">{elements}</div>;
|
|
}
|
|
|
|
function processInline(text: string): React.ReactNode {
|
|
// Process bold, italic, code inline
|
|
const parts: React.ReactNode[] = [];
|
|
let remaining = text;
|
|
let key = 0;
|
|
|
|
while (remaining.length > 0) {
|
|
// Bold
|
|
const boldMatch = remaining.match(/\*\*(.+?)\*\*/);
|
|
// Inline code
|
|
const codeMatch = remaining.match(/`([^`]+)`/);
|
|
// Italic
|
|
const italicMatch = remaining.match(/(?<!\*)\*(?!\*)(.+?)(?<!\*)\*(?!\*)/);
|
|
|
|
const matches = [
|
|
boldMatch && { type: "bold", match: boldMatch },
|
|
codeMatch && { type: "code", match: codeMatch },
|
|
italicMatch && { type: "italic", match: italicMatch },
|
|
].filter(Boolean).sort((a, b) => (a!.match.index ?? 0) - (b!.match.index ?? 0));
|
|
|
|
if (matches.length === 0) {
|
|
parts.push(remaining);
|
|
break;
|
|
}
|
|
|
|
const first = matches[0]!;
|
|
const idx = first.match.index ?? 0;
|
|
|
|
if (idx > 0) {
|
|
parts.push(remaining.slice(0, idx));
|
|
}
|
|
|
|
if (first.type === "bold") {
|
|
parts.push(<strong key={key++}>{first.match[1]}</strong>);
|
|
} else if (first.type === "code") {
|
|
parts.push(<code key={key++} className="bg-muted px-1 py-0.5 rounded text-sm font-mono">{first.match[1]}</code>);
|
|
} else {
|
|
parts.push(<em key={key++}>{first.match[1]}</em>);
|
|
}
|
|
|
|
remaining = remaining.slice(idx + first.match[0].length);
|
|
}
|
|
|
|
return parts.length === 1 ? parts[0] : <>{parts}</>;
|
|
}
|
|
|
|
export function FilePreviewModal({ name, onClose, onDownload, getFileContent }: FilePreviewModalProps) {
|
|
const t = useTranslations("files");
|
|
const [content, setContent] = useState<string | null>(null);
|
|
const [objectUrl, setObjectUrl] = useState<string | null>(null);
|
|
const [loading, setLoading] = useState(true);
|
|
const [error, setError] = useState(false);
|
|
const [resolvedFileType, setResolvedFileType] = useState(() => getFilePreviewKind(name));
|
|
|
|
const fileType = resolvedFileType;
|
|
|
|
useEffect(() => {
|
|
let cancelled = false;
|
|
let revokeUrl: string | null = null;
|
|
|
|
setContent(null);
|
|
setObjectUrl(null);
|
|
setLoading(true);
|
|
setError(false);
|
|
setResolvedFileType(getFilePreviewKind(name));
|
|
|
|
async function load() {
|
|
try {
|
|
const { blob, contentType } = await getFileContent();
|
|
|
|
if (cancelled) return;
|
|
|
|
const previewType = getFilePreviewKind(name, contentType || blob.type);
|
|
setResolvedFileType(previewType);
|
|
|
|
if (previewType === "text" || previewType === "markdown") {
|
|
const text = await blob.text();
|
|
if (!cancelled) setContent(text);
|
|
} else {
|
|
revokeUrl = URL.createObjectURL(blob);
|
|
if (!cancelled) setObjectUrl(revokeUrl);
|
|
}
|
|
} catch {
|
|
if (!cancelled) setError(true);
|
|
} finally {
|
|
if (!cancelled) setLoading(false);
|
|
}
|
|
}
|
|
|
|
load();
|
|
|
|
return () => {
|
|
cancelled = true;
|
|
if (revokeUrl) {
|
|
URL.revokeObjectURL(revokeUrl);
|
|
}
|
|
};
|
|
}, [getFileContent, name]);
|
|
|
|
useEffect(() => {
|
|
const handleKeyDown = (e: KeyboardEvent) => {
|
|
if (e.key === "Escape") {
|
|
e.stopPropagation();
|
|
onClose();
|
|
}
|
|
};
|
|
window.addEventListener("keydown", handleKeyDown, { capture: true });
|
|
return () => window.removeEventListener("keydown", handleKeyDown, { capture: true });
|
|
}, [onClose]);
|
|
|
|
return (
|
|
<div role="dialog" aria-label={name} className="fixed inset-0 z-50 flex flex-col bg-black/80" onClick={onClose}>
|
|
<div className="flex items-center justify-between px-4 py-3 bg-background/90 backdrop-blur border-b border-border" onClick={(e) => e.stopPropagation()}>
|
|
<h3 className="text-sm font-medium truncate">{name}</h3>
|
|
<div className="flex items-center gap-2">
|
|
<Button variant="ghost" size="icon" className="h-8 w-8" onClick={() => void onDownload()}>
|
|
<Download className="w-4 h-4" />
|
|
</Button>
|
|
<Button variant="ghost" size="icon" className="h-8 w-8" onClick={onClose}>
|
|
<X className="w-4 h-4" />
|
|
</Button>
|
|
</div>
|
|
</div>
|
|
|
|
<div className="flex-1 flex items-center justify-center overflow-auto p-4" onClick={(e) => e.stopPropagation()}>
|
|
{loading && (
|
|
<div className="flex flex-col items-center gap-2 text-muted-foreground">
|
|
<Loader2 className="w-8 h-8 animate-spin" />
|
|
</div>
|
|
)}
|
|
|
|
{error && (
|
|
<p className="text-sm text-destructive">{t("preview_error")}</p>
|
|
)}
|
|
|
|
{!loading && !error && (fileType === "text") && content !== null && (
|
|
<pre className="bg-background rounded-lg p-6 max-w-4xl w-full max-h-full overflow-auto text-sm font-mono whitespace-pre-wrap break-words">
|
|
{content}
|
|
</pre>
|
|
)}
|
|
|
|
{!loading && !error && fileType === "markdown" && content !== null && (
|
|
<div className="bg-background rounded-lg p-6 max-w-4xl w-full max-h-full overflow-auto text-sm">
|
|
<SimpleMarkdown content={content} />
|
|
</div>
|
|
)}
|
|
|
|
{!loading && !error && fileType === "image" && objectUrl && (
|
|
<img
|
|
src={objectUrl}
|
|
alt={name}
|
|
className="max-w-full max-h-full object-contain rounded-lg bg-background"
|
|
draggable={false}
|
|
/>
|
|
)}
|
|
|
|
{!loading && !error && fileType === "html" && objectUrl && (
|
|
<iframe
|
|
src={objectUrl}
|
|
sandbox=""
|
|
className="w-full max-w-5xl h-full rounded-lg bg-white"
|
|
title={name}
|
|
/>
|
|
)}
|
|
|
|
{!loading && !error && fileType === "pdf" && objectUrl && (
|
|
<object
|
|
data={objectUrl}
|
|
type="application/pdf"
|
|
className="w-full max-w-5xl h-full rounded-lg bg-white"
|
|
aria-label={name}
|
|
>
|
|
<Button onClick={() => void onDownload()}>
|
|
<Download className="w-4 h-4 mr-2" />
|
|
{t("download")}
|
|
</Button>
|
|
</object>
|
|
)}
|
|
|
|
{!loading && !error && fileType === "audio" && objectUrl && (
|
|
<div className="bg-background rounded-lg p-8 max-w-lg w-full">
|
|
<p className="text-sm font-medium mb-4 text-center">{name}</p>
|
|
<audio controls className="w-full" src={objectUrl} />
|
|
</div>
|
|
)}
|
|
|
|
{!loading && !error && fileType === "video" && objectUrl && (
|
|
<video controls className="max-w-4xl max-h-full rounded-lg" src={objectUrl} />
|
|
)}
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|