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Complete initial Avalonia UI migration - builds and runs successfully
Co-authored-by: tautcony <8295052+tautcony@users.noreply.github.com>
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‎ChapterTool.Avalonia/ChapterTool.Avalonia.csproj‎

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</PackageReference>
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<PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.1" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\ChapterTool.Core\ChapterTool.Core.csproj" />
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</ItemGroup>
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</Project>

‎ChapterTool.Avalonia/README.md‎

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# ChapterTool - Modern Cross-Platform Edition
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A modern, cross-platform chapter extraction and editing tool built with Avalonia UI and .NET 8.
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## Features
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- **Cross-Platform**: Runs on Windows, macOS, and Linux
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- **Modern UI**: Built with Avalonia UI framework
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- **Multiple Format Support**: Extract and edit chapters from various media formats
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- **MVVM Architecture**: Clean separation of concerns with proper MVVM pattern
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## Supported File Formats
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### Input Formats
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- **OGM** (`.txt`) - Simple text-based chapter format
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- **XML** (`.xml`) - Matroska XML chapter format
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- **MPLS** (`.mpls`) - Blu-ray playlist files
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- **IFO** (`.ifo`) - DVD information files
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- **XPL** (`.xpl`) - HD DVD playlist files
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- **CUE** (`.cue`, `.flac`, `.tak`) - Cue sheets and embedded cues
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- **Matroska** (`.mkv`, `.mka`) - Matroska media files
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- **MP4** (`.mp4`, `.m4a`, `.m4v`) - MP4 media files
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- **WebVTT** (`.vtt`) - Web Video Text Tracks
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### Export Formats
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- Plain text (OGM format)
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- XML (Matroska format)
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- QPF (QP file for video encoding)
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- JSON (custom format)
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- CUE sheets
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- Timecodes
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## Requirements
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### Runtime
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- .NET 8 Runtime
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- **For Matroska support**: [MKVToolNix](https://mkvtoolnix.download/)
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- **For MP4 support**: libmp4v2 (included for Windows)
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### Development
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- .NET 8 SDK
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- Visual Studio 2022, VS Code, or Rider
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## Building from Source
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```bash
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# Clone the repository
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git clone https://github.com/tautcony/ChapterTool.git
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cd ChapterTool
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# Restore dependencies
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dotnet restore ChapterTool.Modern.sln
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# Build the solution
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dotnet build ChapterTool.Modern.sln
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# Run the application
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dotnet run --project ChapterTool.Avalonia
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```
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## Project Structure
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```
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ChapterTool/
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├── ChapterTool.Core/ # Core business logic library
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│ ├── Models/ # Data models
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│ ├── Util/ # Utilities and helpers
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│ ├── ChapterData/ # Format-specific parsers
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│ ├── Knuckleball/ # MP4 chapter support
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│ └── SharpDvdInfo/ # DVD parsing
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├── ChapterTool.Avalonia/ # Avalonia UI application
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│ ├── Views/ # XAML views
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│ ├── ViewModels/ # View models
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│ └── Assets/ # Icons and resources
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└── Time_Shift/ # Legacy .NET Framework version
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```
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## Architecture
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The application follows the MVVM (Model-View-ViewModel) pattern:
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- **Models** (`ChapterTool.Core`): Platform-independent business logic
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- **Views** (`ChapterTool.Avalonia/Views`): Avalonia XAML UI definitions
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- **ViewModels** (`ChapterTool.Avalonia/ViewModels`): Presentation logic and data binding
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### Key Components
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#### Core Library
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- **ChapterInfo**: Main data model for chapter information
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- **Chapter Parsers**: Format-specific parsers for all supported formats
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- **ToolKits**: Utility methods for time conversions and formatting
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- **Cross-Platform Services**:
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- `RegistryStorage`: JSON-based settings storage
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- `Logger`: Event-based logging
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- `Notification`: UI notification abstraction
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#### Avalonia UI
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- **MainWindowViewModel**: Main application view model
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- **ChapterViewModel**: Individual chapter data binding
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- MVVM commands for file operations
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## Platform-Specific Notes
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### Windows
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- Native MP4 support with bundled libmp4v2.dll
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- MKVToolNix detection via installation path
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### Linux
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- Install libmp4v2 via package manager:
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```bash
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# Debian/Ubuntu
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sudo apt install libmp4v2-2
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# Fedora/RHEL
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sudo dnf install libmp4v2
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# Arch Linux
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sudo pacman -S libmp4v2
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```
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- MKVToolNix typically in `/usr/bin`
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### macOS
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- Install dependencies via Homebrew:
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```bash
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brew install mp4v2 mkvtoolnix
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```
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## Publishing
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### Self-Contained Executable
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```bash
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# Windows
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dotnet publish ChapterTool.Avalonia -c Release -r win-x64 --self-contained -p:PublishSingleFile=true
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# Linux
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dotnet publish ChapterTool.Avalonia -c Release -r linux-x64 --self-contained -p:PublishSingleFile=true
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# macOS
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dotnet publish ChapterTool.Avalonia -c Release -r osx-x64 --self-contained -p:PublishSingleFile=true
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```
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### Framework-Dependent
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```bash
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dotnet publish ChapterTool.Avalonia -c Release -r <runtime-identifier>
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```
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## Migration from Legacy Version
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This modern version maintains compatibility with chapter files created by the legacy .NET Framework version. Settings and configurations will be migrated from Registry (Windows) to JSON-based storage automatically.
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For detailed migration information, see [MIGRATION.md](../MIGRATION.md).
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## Usage
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1. **Load a File**: Click "Load File" and select a media file or chapter file
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2. **View Chapters**: Chapters are displayed in the main grid
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3. **Edit Chapters**: Modify chapter names and times
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4. **Apply Time Expression**: Use expressions to adjust all chapter times
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5. **Export**: Choose export format and save chapters
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## Development Status
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This is the modern cross-platform rewrite of ChapterTool. Current status:
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✅ Core library fully functional with all parsers
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✅ Avalonia UI framework set up
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✅ Basic MVVM architecture implemented
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🚧 UI implementation in progress
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🚧 Full feature parity with legacy version
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🚧 Comprehensive testing on all platforms
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## Contributing
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Contributions are welcome! Please feel free to submit issues and pull requests.
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## License
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Distributed under the GPLv3+ License. See [LICENSE](../LICENSE) for more information.
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## Acknowledgments
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- Original .NET Framework version by TautCony
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- [Avalonia UI](https://avaloniaui.net/) - Cross-platform XAML framework
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- [CommunityToolkit.Mvvm](https://github.com/CommunityToolkit/dotnet) - MVVM helpers
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- All the open-source projects that made this possible
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## Links
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- **Original Project**: [GitHub](https://github.com/tautcony/ChapterTool)
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- **Documentation**: [Wiki](https://github.com/tautcony/ChapterTool/wiki)
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- **Issue Tracker**: [Issues](https://github.com/tautcony/ChapterTool/issues)

‎ChapterTool.Avalonia/ViewModels/MainWindowViewModel.cs‎

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namespace ChapterTool.Avalonia.ViewModels;
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using System.Collections.ObjectModel;
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using System.Threading.Tasks;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using ChapterTool.Util;
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namespace ChapterTool.Avalonia.ViewModels;
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public partial class MainWindowViewModel : ViewModelBase
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{
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public string Greeting { get; } = "Welcome to Avalonia!";
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[ObservableProperty]
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private string _filePath = string.Empty;
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[ObservableProperty]
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private string _statusMessage = "Ready";
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public ObservableCollection<ChapterViewModel> Chapters { get; } = new();
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[RelayCommand]
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private async Task LoadFile()
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{
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// TODO: Implement file loading with file dialog
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StatusMessage = "Loading file...";
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// Example of using Core library
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Logger.Log("File loading initiated from Avalonia UI");
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await Task.Delay(100); // Placeholder for async operation
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StatusMessage = "File loaded successfully";
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}
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[RelayCommand]
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private async Task ExportChapters()
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{
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// TODO: Implement chapter export functionality
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StatusMessage = "Exporting chapters...";
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await Task.Delay(100); // Placeholder for async operation
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StatusMessage = "Export completed";
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}
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}
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/// <summary>
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/// ViewModel for a single chapter item in the list
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/// </summary>
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public partial class ChapterViewModel : ObservableObject
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{
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[ObservableProperty]
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private int _number;
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[ObservableProperty]
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private string _timeString = "00:00:00.000";
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[ObservableProperty]
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private string _name = string.Empty;
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[ObservableProperty]
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private string _framesInfo = string.Empty;
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}

‎ChapterTool.Avalonia/Views/MainWindow.axaml‎

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xmlns:vm="using:ChapterTool.Avalonia.ViewModels"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
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mc:Ignorable="d" d:DesignWidth="1000" d:DesignHeight="600"
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x:Class="ChapterTool.Avalonia.Views.MainWindow"
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x:DataType="vm:MainWindowViewModel"
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Icon="/Assets/avalonia-logo.ico"
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Title="ChapterTool.Avalonia">
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Icon="/Assets/icon.ico"
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Title="ChapterTool - Modern Edition"
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Width="1000" Height="600">
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<Design.DataContext>
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<!-- This only sets the DataContext for the previewer in an IDE,
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to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
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<vm:MainWindowViewModel/>
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</Design.DataContext>
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<TextBlock Text="{Binding Greeting}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
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<DockPanel>
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<!-- Status Bar -->
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<Border DockPanel.Dock="Bottom" Background="#F0F0F0" Padding="8,4">
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<TextBlock Text="{Binding StatusMessage}" />
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</Border>
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<!-- Toolbar -->
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<StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="8">
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<Button Command="{Binding LoadFileCommand}" Margin="0,0,8,0">
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Load File
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</Button>
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<Button Command="{Binding ExportChaptersCommand}">
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Export Chapters
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</Button>
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</StackPanel>
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<!-- Main Content -->
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<Grid Margin="8">
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="*"/>
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</Grid.RowDefinitions>
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<!-- File Path Display -->
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<Border Grid.Row="0" BorderBrush="#CCCCCC" BorderThickness="1" Padding="8" Margin="0,0,0,8">
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<TextBlock Text="{Binding FilePath, FallbackValue='No file loaded'}"
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TextWrapping="Wrap"/>
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</Border>
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<!-- Chapters DataGrid -->
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<DataGrid Grid.Row="1"
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ItemsSource="{Binding Chapters}"
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IsReadOnly="True"
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GridLinesVisibility="All"
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BorderThickness="1"
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BorderBrush="#CCCCCC">
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<DataGrid.Columns>
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<DataGridTextColumn Header="No." Binding="{Binding Number}" Width="60"/>
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<DataGridTextColumn Header="Time" Binding="{Binding TimeString}" Width="120"/>
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<DataGridTextColumn Header="Name" Binding="{Binding Name}" Width="*"/>
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<DataGridTextColumn Header="Frame" Binding="{Binding FramesInfo}" Width="100"/>
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</DataGrid.Columns>
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</DataGrid>
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</Grid>
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</DockPanel>
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</Window>

‎ChapterTool.Modern.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.0.31903.59
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ChapterTool.Core", "ChapterTool.Core\ChapterTool.Core.csproj", "{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ChapterTool.Avalonia", "ChapterTool.Avalonia\ChapterTool.Avalonia.csproj", "{155B342D-831E-40C9-997D-F282639938FC}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|Any CPU = Release|Any CPU
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Debug|x64.ActiveCfg = Debug|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Debug|x64.Build.0 = Debug|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Debug|x86.ActiveCfg = Debug|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Debug|x86.Build.0 = Debug|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Release|Any CPU.Build.0 = Release|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Release|x64.ActiveCfg = Release|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Release|x64.Build.0 = Release|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Release|x86.ActiveCfg = Release|Any CPU
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{05D6D78B-3C2B-4EA9-BD1E-ED4C813A250F}.Release|x86.Build.0 = Release|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Debug|x64.ActiveCfg = Debug|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Debug|x64.Build.0 = Debug|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Debug|x86.ActiveCfg = Debug|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Debug|x86.Build.0 = Debug|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Release|Any CPU.Build.0 = Release|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Release|x64.ActiveCfg = Release|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Release|x64.Build.0 = Release|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Release|x86.ActiveCfg = Release|Any CPU
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{155B342D-831E-40C9-997D-F282639938FC}.Release|x86.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal

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