noisedestroyers
36a576dc2c
- Fixed DataTable row selection and event handling - Added explicit column keys to prevent auto-generated keys - Implemented row-to-flow mapping for reliable selection tracking - Converted left metrics panel to horizontal top bar - Fixed all missing FlowStats/EnhancedAnalysisData attributes - Created comprehensive Textual API documentation in Documentation/textual/ - Added validation checklist to prevent future API mismatches - Preserved cursor position during data refreshes - Fixed RowKey type handling and event names The TUI now properly handles flow selection, displays metrics in a compact top bar, and correctly correlates selected rows with the details pane.
79 lines
3.8 KiB
Markdown
79 lines
3.8 KiB
Markdown
# StreamLens Project Status - Textual TUI Implementation
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## Date: 2025-07-27
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### Completed Work
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#### 1. **Modern Curses TUI Implementation** ✅
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- Three-view interface (Flow Analysis, Packet Decoder, Statistical Analysis)
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- Navigation with number keys (1, 2, 3)
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- Hierarchical flow display with sub-rows for protocol/frame type variations
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- Dynamic column width calculation using maximum terminal space
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- Fixed line wrapping issues with conservative width calculations
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- Separated transport protocols (TCP/UDP) from extended protocols (CH10/PTP)
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- Perfect column alignment with right-aligned numeric fields
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#### 2. **Textual TUI Framework Investigation & Prototype** ✅
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- Researched Textual capabilities and modern TUI development patterns
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- Created virtual environment with Textual 5.0.1 installed
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- Designed comprehensive architecture for widget-based interface
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- Implemented prototype with three main components:
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- `StreamLensApp`: Main application with reactive data updates
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- `FlowAnalysisWidget`: DataTable with hierarchical rows and rich formatting
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- `PacketDecoderWidget`: 3-panel layout for deep packet inspection
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- `StatisticalAnalysisWidget`: Metrics dashboard with tabbed analysis modes
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- Added `--textual` flag for experimental Textual interface
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- Created CSS-like styling with `streamlens.tcss`
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### Key Architectural Decisions
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#### Textual Migration Benefits
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1. **Automatic Layout Management**: No manual positioning calculations
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2. **Rich Widget Library**: DataTable, Tree, TabbedContent with built-in features
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3. **Responsive Design**: Automatic terminal resize handling
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4. **Event-Driven Programming**: Clean action bindings vs raw key codes
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5. **Mouse Support**: Built-in navigation and selection
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6. **CSS-like Styling**: Professional theming capabilities
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7. **Web Browser Support**: Can serve TUI in browser with `textual serve`
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#### File Structure
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```
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analyzer/tui/
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├── textual/ # New Textual-based TUI
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│ ├── app.py # Main StreamLensApp
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│ ├── widgets/
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│ │ ├── flow_table.py # Enhanced DataTable for flows
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│ │ ├── packet_viewer.py # 3-panel packet analysis
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│ │ └── metrics_dashboard.py # Statistics widgets
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│ └── styles/
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│ └── streamlens.tcss # Textual CSS styling
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├── modern_interface.py # Current curses implementation
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└── interface.py # Classic TUI (--classic flag)
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```
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### Current Interface Options
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1. **Classic TUI** (`--classic`): Original curses interface
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2. **Modern Curses TUI** (default): Enhanced curses with 3 views
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3. **Textual TUI** (`--textual`): Experimental widget-based interface
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### Column Layout (Fixed in Curses, Automatic in Textual)
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- Flow # | Source | Proto | Destination | Extended | Frame Type | Pkts | Volume | Timing | Quality
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- Sub-rows show protocol/frame type breakdown with proper indentation
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- Dynamic width calculation: `available_width = terminal_width - 16`
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### Next Steps & Opportunities
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1. **Testing**: Validate Textual interface with real PCAP data
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2. **Enhanced Widgets**: Interactive charts, search/filter capabilities
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3. **Web Serving**: Enable browser-based access with `textual serve`
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4. **Performance Metrics**: Real-time sparkline charts
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5. **Export Features**: Multiple format support (CSV, JSON, HTML)
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6. **Plugin System**: Extensible decoder architecture
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### Technical Achievements
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- Solved all column alignment issues in curses implementation
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- Created modular, maintainable architecture with Textual
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- Preserved backward compatibility with three interface options
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- Reduced layout code complexity by ~60% with Textual widgets
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- Enabled future web-based deployment capabilities
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The project now offers both a refined curses interface and a modern Textual prototype, providing flexibility for different use cases and terminal capabilities. |