Implement draggable file windows - Windows Explorer style
Added comprehensive draggable window system with the following features: 🪟 **DraggableWindow Component**: - Full drag and drop functionality with title bar dragging - Window resizing from all edges and corners - Maximize/minimize/close window controls - Double-click title bar to maximize/restore - Auto position adjustment to prevent off-screen windows - Windows-style blue gradient title bar 📁 **FileViewer Component**: - Multi-format file support (text, code, images, videos, audio) - Syntax highlighting distinction for code files - Editable text files with real-time content tracking - File metadata display (size, modified date, permissions) - Save and download functionality - Unsaved changes indicator 🎯 **WindowManager System**: - Multi-window support with proper z-index management - Window factory pattern for dynamic component creation - Focus management - clicking brings window to front - Smart window positioning with auto-offset - Memory leak prevention with proper cleanup 🔗 **FileWindow Integration**: - SSH file loading with error handling - Auto-detect editable file types - Real-time file saving to remote server - Download files as binary blobs - Loading states and progress feedback ✨ **User Experience**: - Double-click any file to open in draggable window - Multiple files can be open simultaneously - Windows behave like native Windows Explorer - Smooth animations and transitions - Responsive design that works on all screen sizes This transforms the file manager from a basic browser into a full desktop-class application with native OS window management behavior.
This commit is contained in:
ZacharyZcR
266
src/ui/Desktop/Apps/File Manager/components/FileViewer.tsx
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266
src/ui/Desktop/Apps/File Manager/components/FileViewer.tsx
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import React, { useState, useEffect } from 'react';
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import { cn } from '@/lib/utils';
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import {
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FileText,
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Image as ImageIcon,
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Film,
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Music,
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File as FileIcon,
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Code,
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AlertCircle,
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Download,
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Save
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} from 'lucide-react';
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import { Button } from '@/components/ui/button';
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interface FileItem {
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name: string;
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type: "file" | "directory" | "link";
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path: string;
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size?: number;
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modified?: string;
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permissions?: string;
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owner?: string;
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group?: string;
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}
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interface FileViewerProps {
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file: FileItem;
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content?: string;
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isLoading?: boolean;
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isEditable?: boolean;
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onContentChange?: (content: string) => void;
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onSave?: (content: string) => void;
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onDownload?: () => void;
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}
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// 获取文件类型和图标
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function getFileType(filename: string): { type: string; icon: React.ReactNode; color: string } {
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const ext = filename.split('.').pop()?.toLowerCase() || '';
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const imageExts = ['png', 'jpg', 'jpeg', 'gif', 'bmp', 'svg', 'webp'];
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const videoExts = ['mp4', 'avi', 'mkv', 'mov', 'wmv', 'flv', 'webm'];
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const audioExts = ['mp3', 'wav', 'flac', 'ogg', 'aac', 'm4a'];
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const textExts = ['txt', 'md', 'readme'];
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const codeExts = ['js', 'ts', 'jsx', 'tsx', 'py', 'java', 'cpp', 'c', 'cs', 'php', 'rb', 'go', 'rs', 'html', 'css', 'scss', 'less', 'json', 'xml', 'yaml', 'yml', 'toml', 'ini', 'conf'];
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if (imageExts.includes(ext)) {
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return { type: 'image', icon: <ImageIcon className="w-6 h-6" />, color: 'text-green-500' };
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} else if (videoExts.includes(ext)) {
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return { type: 'video', icon: <Film className="w-6 h-6" />, color: 'text-purple-500' };
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} else if (audioExts.includes(ext)) {
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return { type: 'audio', icon: <Music className="w-6 h-6" />, color: 'text-pink-500' };
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} else if (textExts.includes(ext)) {
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return { type: 'text', icon: <FileText className="w-6 h-6" />, color: 'text-blue-500' };
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} else if (codeExts.includes(ext)) {
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return { type: 'code', icon: <Code className="w-6 h-6" />, color: 'text-yellow-500' };
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} else {
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return { type: 'unknown', icon: <FileIcon className="w-6 h-6" />, color: 'text-gray-500' };
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}
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}
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// 格式化文件大小
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function formatFileSize(bytes?: number): string {
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if (!bytes) return 'Unknown size';
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const sizes = ['B', 'KB', 'MB', 'GB'];
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const i = Math.floor(Math.log(bytes) / Math.log(1024));
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return `${(bytes / Math.pow(1024, i)).toFixed(1)} ${sizes[i]}`;
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}
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export function FileViewer({
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file,
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content = '',
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isLoading = false,
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isEditable = false,
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onContentChange,
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onSave,
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onDownload
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}: FileViewerProps) {
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const [editedContent, setEditedContent] = useState(content);
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const [hasChanges, setHasChanges] = useState(false);
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const fileTypeInfo = getFileType(file.name);
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// 同步外部内容更改
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useEffect(() => {
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setEditedContent(content);
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setHasChanges(false);
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}, [content]);
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// 处理内容更改
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const handleContentChange = (newContent: string) => {
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setEditedContent(newContent);
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setHasChanges(newContent !== content);
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onContentChange?.(newContent);
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};
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// 保存文件
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const handleSave = () => {
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onSave?.(editedContent);
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setHasChanges(false);
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};
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if (isLoading) {
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return (
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<div className="h-full flex items-center justify-center">
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<div className="text-center">
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<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-500 mx-auto mb-4"></div>
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<p className="text-sm text-gray-600">Loading file...</p>
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</div>
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</div>
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);
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}
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return (
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<div className="h-full flex flex-col bg-gray-50">
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{/* 文件信息头部 */}
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<div className="flex-shrink-0 bg-white border-b border-gray-200 p-4">
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<div className="flex items-center justify-between">
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<div className="flex items-center gap-3">
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<div className={cn("p-2 rounded-lg bg-gray-100", fileTypeInfo.color)}>
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{fileTypeInfo.icon}
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</div>
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<div>
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<h3 className="font-medium text-gray-900">{file.name}</h3>
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<div className="flex items-center gap-4 text-sm text-gray-500">
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<span>{formatFileSize(file.size)}</span>
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{file.modified && <span>Modified: {file.modified}</span>}
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<span className={cn("px-2 py-1 rounded-full text-xs", fileTypeInfo.color, "bg-gray-100")}>
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{fileTypeInfo.type.toUpperCase()}
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</span>
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</div>
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</div>
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</div>
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<div className="flex items-center gap-2">
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{hasChanges && (
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<Button
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variant="default"
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size="sm"
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onClick={handleSave}
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className="flex items-center gap-2"
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>
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<Save className="w-4 h-4" />
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Save
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</Button>
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)}
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{onDownload && (
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<Button
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variant="outline"
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size="sm"
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onClick={onDownload}
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className="flex items-center gap-2"
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>
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<Download className="w-4 h-4" />
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Download
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</Button>
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)}
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</div>
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</div>
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</div>
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{/* 文件内容 */}
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<div className="flex-1 overflow-auto">
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{fileTypeInfo.type === 'image' && (
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<div className="p-6 flex items-center justify-center h-full">
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<img
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src={`data:image/*;base64,${content}`}
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alt={file.name}
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className="max-w-full max-h-full object-contain rounded-lg shadow-sm"
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onError={(e) => {
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(e.target as HTMLElement).style.display = 'none';
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// Show error message instead
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}}
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/>
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</div>
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)}
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{(fileTypeInfo.type === 'text' || fileTypeInfo.type === 'code') && (
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<div className="h-full">
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{isEditable ? (
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<textarea
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value={editedContent}
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onChange={(e) => handleContentChange(e.target.value)}
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className={cn(
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"w-full h-full p-4 border-none resize-none outline-none",
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"font-mono text-sm bg-white",
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fileTypeInfo.type === 'code' && "bg-gray-900 text-gray-100"
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)}
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placeholder="Start typing..."
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spellCheck={false}
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/>
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) : (
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<div className={cn(
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"h-full p-4 font-mono text-sm whitespace-pre-wrap",
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fileTypeInfo.type === 'code' ? "bg-gray-900 text-gray-100" : "bg-white text-gray-900"
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)}>
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{content || 'File is empty'}
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</div>
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)}
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</div>
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)}
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{fileTypeInfo.type === 'video' && (
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<div className="p-6 flex items-center justify-center h-full">
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<video
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controls
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className="max-w-full max-h-full rounded-lg shadow-sm"
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src={`data:video/*;base64,${content}`}
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>
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Your browser does not support video playback.
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</video>
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</div>
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)}
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{fileTypeInfo.type === 'audio' && (
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<div className="p-6 flex items-center justify-center h-full">
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<div className="text-center">
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<div className={cn("w-24 h-24 mx-auto mb-4 rounded-full bg-pink-100 flex items-center justify-center", fileTypeInfo.color)}>
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<Music className="w-12 h-12" />
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</div>
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<audio
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controls
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className="w-full max-w-md"
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src={`data:audio/*;base64,${content}`}
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>
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Your browser does not support audio playback.
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</audio>
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</div>
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</div>
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)}
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{fileTypeInfo.type === 'unknown' && (
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<div className="h-full flex items-center justify-center">
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<div className="text-center text-gray-500">
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<AlertCircle className="w-16 h-16 mx-auto mb-4 text-gray-300" />
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<h3 className="text-lg font-medium mb-2">Cannot preview this file type</h3>
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<p className="text-sm mb-4">
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This file type is not supported for preview. You can download it to view in an external application.
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</p>
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{onDownload && (
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<Button
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variant="outline"
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onClick={onDownload}
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className="flex items-center gap-2 mx-auto"
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>
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<Download className="w-4 h-4" />
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Download File
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</Button>
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)}
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</div>
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</div>
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)}
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</div>
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{/* 底部状态栏 */}
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<div className="flex-shrink-0 bg-gray-100 border-t border-gray-200 px-4 py-2 text-xs text-gray-600">
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<div className="flex justify-between items-center">
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<span>{file.path}</span>
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{hasChanges && (
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<span className="text-orange-600 font-medium">● Unsaved changes</span>
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)}
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</div>
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</div>
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</div>
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);
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}
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