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# PanConverter
## Overview
PanConverter is a cross-platform desktop application for editing and converting Markdown files using Pandoc. It features a rich markdown editor with live preview, multiple themes, and comprehensive support for exporting to various document formats.
## Features
- **Markdown Editor**: Full-featured editor with syntax highlighting and toolbar
- **Live Preview**: Real-time preview of your markdown content
- **Multiple Themes**: Light, Dark, Solarized, Monokai, and GitHub themes
- **Document Export**: Export to HTML, PDF, DOCX, LaTeX, RTF, ODT, EPUB, PowerPoint (PPTX), and OpenDocument Presentation (ODP)
- **Spreadsheet Export**: Export markdown tables to Excel (XLSX/XLS) and OpenDocument Spreadsheet (ODS) formats
- **Document Import & Conversion**: Import various document formats and convert between formats via Pandoc
- **Table Creation Helper**: Built-in table generator for easy markdown table creation
- **Cross-Platform**: Runs on Windows, macOS, and Linux
- **Auto-Save**: Automatic saving every 30 seconds
## Requirements
- **Pandoc**: Must be installed on the system for export functionality
- Ubuntu/Debian: `sudo apt-get install pandoc`
- macOS: `brew install pandoc`
- Windows: Download from https://pandoc.org/installing.html
## Development Setup
### Prerequisites
- Node.js (v14 or higher)
- npm or yarn
- Pandoc (for export features)
### Installation
```bash
# Clone the repository
git clone <repository-url>
cd pan-converter
# Install dependencies
npm install
# Generate icons
npm run generate-icons
# Start the application
npm start
```
## Building
### Build for Current Platform
```bash
npm run build
```
### Build for Specific Platforms
```bash
# Windows
npm run build:win
# macOS
npm run build:mac
# Linux (generates .deb, .AppImage, and .snap)
npm run build:linux
```
### Build for All Platforms
```bash
npm run dist:all
```
## Project Structure
```
pan-converter/
├── src/
│ ├── main.js # Main process
│ ├── renderer.js # Renderer process
│ ├── index.html # Main window HTML
│ └── styles.css # Application styles
├── assets/
│ ├── icon.svg # Source icon
│ └── icon.png # Generated icons
├── scripts/
│ └── generate-icons.js # Icon generation script
├── package.json # Project configuration
└── CLAUDE.md # This file
```
## Architecture
### Main Process (`src/main.js`)
- Manages application lifecycle
- Creates and manages windows
- Handles file operations
- Manages menu bar
- Communicates with renderer via IPC
### Renderer Process (`src/renderer.js`)
- Handles UI interactions
- Manages editor state
- Renders markdown preview
- Handles theme switching
- Communicates with main process via IPC
### Key Libraries
- **Electron**: Desktop application framework
- **marked**: Markdown parsing
- **highlight.js**: Syntax highlighting
- **DOMPurify**: HTML sanitization
- **XLSX**: Spreadsheet generation for Excel/ODS export
- **electron-builder**: Application packaging
- **Custom Storage**: File-based storage system for settings persistence
## Features Implementation
### Markdown Editor
- Uses native textarea with custom styling
- Supports common markdown shortcuts via toolbar
- Tab key inserts 4 spaces for code indentation
- Auto-save every 30 seconds when content changes
### Live Preview
- Updates in real-time as you type
- Sanitized HTML output for security
- Syntax highlighting for code blocks
- GitHub-flavored markdown support
### Theme System
- Themes stored in user preferences
- Applied via CSS classes on body element
- Persists across application restarts
- Five built-in themes
### Export System
- Uses Pandoc command-line tool for document exports
- Supports multiple output formats (HTML, PDF, DOCX, LaTeX, RTF, ODT, EPUB, PPTX, ODP)
- Spreadsheet export using XLSX library for table data
- Import functionality for converting documents to markdown
- Maintains original file structure
- Shows error messages if Pandoc not installed
### Table Creation Helper
- Interactive table generator in toolbar
- Prompts for row and column count
- Generates properly formatted markdown tables
- Includes headers and separator rows
- Automatically inserts at cursor position
### Document Conversion Menu
- Separate Convert menu for cross-format operations
- Import documents from various formats to markdown
- Convert current file to different formats
- Supports presentations with proper slide-level formatting
- Error handling for missing Pandoc installation
## Platform-Specific Branches
The repository maintains separate branches for platform-specific customizations:
- `master`: Main development branch
- `linux`: Linux-specific configurations
- `macos`: macOS-specific configurations
- `windows`: Windows-specific configurations
## Debian Package
The application can be built as a `.deb` package for Debian-based systems:
```bash
npm run build:linux
```
The generated `.deb` file will:
- Install to `/opt/pan-converter`
- Create desktop entry for application menu
- Set up proper file associations
- Declare Pandoc as dependency
## Testing
### Manual Testing
1. File Operations: New, Open, Save, Save As
2. Editor Features: Bold, Italic, Headings, Links, Code, Lists, Quotes, Table Creation
3. Preview Toggle: Show/hide preview pane
4. Theme Switching: Test all five themes
5. Export Functions: Test each export format including PowerPoint and spreadsheets
6. Import/Conversion: Test document import and format conversion
7. Table Helper: Test table generation with different row/column counts
8. Auto-save: Verify 30-second auto-save works
### Platform Testing
Test on:
- Windows 10/11
- macOS 11+ (Big Sur and later)
- Ubuntu 20.04+, Debian 11+
## Known Issues
- ICO and ICNS icons need manual conversion from PNG
- Pandoc must be installed separately for all export functionality
- Large files may cause performance issues
- AppImage requires --no-sandbox flag on some systems
- Windows/Mac builds require platform-specific build environments
## Version History
- **v1.2.0**: Added PowerPoint export, document conversion menu, table creation helper, spreadsheet export
- **v1.1.0**: Added Excel/ODS spreadsheet export, updated author information, renamed to PanConverter
- **v1.0.0**: Initial release with basic markdown editing, themes, and Pandoc export
## Future Enhancements
- [ ] Add spell checking
- [ ] Implement find and replace
- [ ] Add custom CSS for preview
- [ ] Support for markdown extensions
- [ ] Plugin system for custom exporters
- [ ] Cloud sync capabilities
- [ ] Collaborative editing
- [ ] Improved table editing interface
## License
MIT License
## Support
For issues or feature requests, please open an issue on the GitHub repository.
README.md
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## Features ## Features
- 📝 **Rich Markdown Editor** - Full-featured editor with syntax highlighting - 📝 **Rich Markdown Editor** - Full-featured editor with syntax highlighting and toolbar
- 👁️ **Live Preview** - See your markdown rendered in real-time - 👁️ **Live Preview** - See your markdown rendered in real-time
- 🎨 **Multiple Themes** - Choose from Light, Dark, Solarized, Monokai, or GitHub themes - 🎨 **Multiple Themes** - Choose from Light, Dark, Solarized, Monokai, or GitHub themes
- 📤 **Export to Multiple Formats** - Convert to HTML, PDF, DOCX, LaTeX, RTF, ODT, and EPUB - 📤 **Document Export** - Convert to HTML, PDF, DOCX, LaTeX, RTF, ODT, EPUB, PowerPoint (PPTX), and OpenDocument Presentation (ODP)
- 💾 **Auto-Save** - Never lose your work with automatic saving - 📊 **Spreadsheet Export** - Export markdown tables to Excel (XLSX/XLS) and OpenDocument Spreadsheet (ODS) formats
- 📥 **Document Import & Conversion** - Import various document formats and convert between formats via Pandoc
- 📋 **Table Creation Helper** - Built-in table generator for easy markdown table creation
- 💾 **Auto-Save** - Never lose your work with automatic saving every 30 seconds
- 🖥️ **Cross-Platform** - Works on Windows, macOS, and Linux - 🖥️ **Cross-Platform** - Works on Windows, macOS, and Linux
## Installation ## Installation
### Prerequisites ### Prerequisites
- [Pandoc](https://pandoc.org/installing.html) must be installed for export functionality - [Pandoc](https://pandoc.org/installing.html) must be installed for export functionality
- **Ubuntu/Debian**: `sudo apt-get install pandoc`
- **macOS**: `brew install pandoc`
- **Windows**: Download installer from Pandoc website
### Download ### Download
Download the latest release for your platform from the [Releases](https://github.com/yourusername/pan-converter/releases) page. Download the latest release for your platform from the [Releases](https://github.com/amitwh/pan-converter/releases) page.
#### Linux
- **AppImage**: `PanConverter-1.2.0.AppImage` (universal, may require `--no-sandbox` flag)
- **Debian Package**: `pan-converter_1.2.0_amd64.deb`
- **Snap Package**: `pan-converter_1.2.0_amd64.snap`
### Install from Source ### Install from Source
```bash ```bash
git clone https://github.com/yourusername/pan-converter.git git clone https://github.com/amitwh/pan-converter.git
cd pan-converter cd pan-converter
npm install npm install
npm start npm start
@@ -31,10 +42,26 @@ npm start
## Usage ## Usage
### Basic Workflow
1. **Write** - Use the editor to write your Markdown content 1. **Write** - Use the editor to write your Markdown content
2. **Preview** - Toggle the preview pane to see rendered output 2. **Preview** - Toggle the preview pane to see rendered output
3. **Theme** - Choose your preferred theme from the View menu 3. **Theme** - Choose your preferred theme from the View menu
4. **Export** - Export your document to various formats via File > Export 4. **Export** - Export your document to various formats
### Export Options
- **Documents**: HTML, PDF, DOCX, LaTeX, RTF, ODT, EPUB
- **Presentations**: PowerPoint (PPTX), OpenDocument Presentation (ODP)
- **Spreadsheets**: Excel (XLSX/XLS), OpenDocument Spreadsheet (ODS)
### Import & Conversion
- **Import Documents**: Convert DOCX, ODT, RTF, HTML, PDF, and presentation files to Markdown
- **Cross-Format Conversion**: Convert current file between multiple formats
- **Smart Presentation Handling**: Automatic slide-level formatting for PPTX/ODP exports
### Table Creation
- Click the table button in the toolbar
- Specify number of rows and columns
- Automatically generates properly formatted Markdown tables
## Keyboard Shortcuts ## Keyboard Shortcuts
@@ -42,34 +69,61 @@ npm start
- `Ctrl/Cmd + O` - Open file - `Ctrl/Cmd + O` - Open file
- `Ctrl/Cmd + S` - Save file - `Ctrl/Cmd + S` - Save file
- `Ctrl/Cmd + Shift + S` - Save as - `Ctrl/Cmd + Shift + S` - Save as
- `Ctrl/Cmd + I` - Import document
- `Ctrl/Cmd + P` - Toggle preview - `Ctrl/Cmd + P` - Toggle preview
- `Ctrl/Cmd + Enter` - Toggle preview (alternative) - `Ctrl/Cmd + Enter` - Toggle preview (alternative)
- `Tab` - Insert 4 spaces (in editor)
## Building ## Building
```bash ```bash
# Install dependencies
npm install
# Generate icons
npm run generate-icons
# Build for current platform # Build for current platform
npm run build npm run build
# Build for specific platform # Build for specific platform
npm run build:win npm run build:win # Windows
npm run build:mac npm run build:mac # macOS
npm run build:linux npm run build:linux # Linux (generates .deb, .AppImage, and .snap)
# Build for all platforms # Build for all platforms
npm run dist:all npm run dist:all
``` ```
## Version History
- **v1.2.0** - Added PowerPoint export, document conversion menu, table creation helper, spreadsheet export
- **v1.1.0** - Added Excel/ODS spreadsheet export, updated author information, renamed to PanConverter
- **v1.0.0** - Initial release with basic markdown editing, themes, and Pandoc export
## Known Issues
- AppImage may require `--no-sandbox` flag on some Linux systems
- Windows/Mac builds require platform-specific build environments
- Large files may cause performance issues
## Contributing ## Contributing
Contributions are welcome! Please feel free to submit a Pull Request. Contributions are welcome! Please feel free to submit a Pull Request to the [GitHub repository](https://github.com/amitwh/pan-converter).
## License ## License
MIT License - see LICENSE file for details MIT License - see LICENSE file for details.
## Author
**Amit Haridas** - [amit.wh@gmail.com](mailto:amit.wh@gmail.com)
## Acknowledgments ## Acknowledgments
- Built with [Electron](https://www.electronjs.org/) - Built with [Electron](https://www.electronjs.org/)
- Markdown parsing by [marked](https://marked.js.org/) - Markdown parsing by [marked](https://marked.js.org/)
- Export functionality powered by [Pandoc](https://pandoc.org/) - Export functionality powered by [Pandoc](https://pandoc.org/)
- Syntax highlighting by [highlight.js](https://highlightjs.org/)
- Spreadsheet export by [XLSX](https://www.npmjs.com/package/xlsx)
- HTML sanitization by [DOMPurify](https://www.npmjs.com/package/dompurify)