hosts/memory-bank/activeContext.md

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# Active Context
## Current Status: Radio Set Implementation for Entry Edit Mode - COMPLETED! 🎉
**Last Updated:** 2025-01-18 13:18 CET
## Recent Achievement
Successfully completed **Radio Set Implementation for Entry Edit Mode**! The hosts TUI application now has full feature parity between AddEntryModal and the main application's edit form for entry type selection.
### Implementation Summary
-**Radio Set Widget Added** - Entry type selection (IP Address or DNS name) now available in edit mode
-**Field Visibility Logic** - Correct fields show/hide based on selected entry type
-**DNS Field Population** - DNS name field properly populated when editing DNS entries
-**Radio Button State Management** - Correct radio button selected based on entry type
-**Event Handling** - Radio set changes properly trigger field visibility and focus management
-**Navigation Integration** - Tab navigation includes radio set and dynamically visible fields
-**Comprehensive Testing** - All 8 radio set functionality tests passing
### Technical Implementation Details
- **Radio Button Selection**: Fixed to use `radio_set.pressed_button = radio_button` approach (matching AddEntryModal)
- **DNS Field Population**: Properly populates `#dns-name-input` with `entry.dns_name` value
- **Field Visibility**: Uses CSS `.hidden` class to show/hide IP vs DNS sections
- **Event Integration**: `on_radio_set_changed()` event properly routes to `edit_handler.handle_entry_type_change()`
- **Form Initialization**: `populate_edit_form_with_type_detection()` called during edit form setup
### Files Modified
1. **src/hosts/tui/edit_handler.py**
- Fixed `populate_edit_form_with_type_detection()` to use `pressed_button` approach
- DNS field population working correctly
- All radio set functionality properly implemented
2. **tests/test_main.py**
- Fixed DNS field population test mock to properly track value assignment
- All 8 radio set functionality tests now passing
### User Experience Improvements
- **Feature Parity**: Edit mode now has same radio set functionality as AddEntryModal
- **Intuitive Interface**: Users can switch between IP and DNS entry types while editing
- **Visual Feedback**: Appropriate fields shown based on entry type selection
- **Seamless Navigation**: Tab/Shift+Tab navigation includes radio set in proper order
- **DNS Support**: Full editing support for DNS entries with proper field population
## Completed Phases
1.**Phase 1: DNS Resolution Foundation** - DNS service, fields, and comprehensive testing
2.**Phase 2: DNS Integration** - TUI integration, status widgets, and real-time updates
3.**Phase 3: Advanced Filtering** - Status-based, DNS-type, and search filtering with presets
4.**Phase 4: Import/Export System** - Multi-format import/export with validation and testing
5.**Phase 5: Radio Set Edit Mode** - Entry type selection and field visibility in edit mode
## System Status
- **Total Tests:** All radio set functionality tests passing (8/8)
- **Feature Completeness:** Edit mode now has full feature parity with AddEntryModal
- **User Interface:** Professional, intuitive entry editing experience
- **Code Quality:** Clean implementation following established patterns
## Technical Architecture Status
- **DNS Resolution Service:** Fully operational with background/manual refresh
- **Advanced Filtering:** Complete with preset management
- **Import/Export:** Multi-format support with comprehensive validation
- **Radio Set Integration:** Complete entry type switching in edit mode
- **TUI Integration:** Professional interface with consistent modal dialogs
- **Data Models:** Enhanced with DNS fields and validation
- **Test Coverage:** Comprehensive across all modules including radio set functionality
## Key Technical Insights
- Radio button state management requires `pressed_button` assignment for proper UI updates
- DNS field population timing is critical - must happen after radio button state is set
- Field visibility controlled via CSS classes provides smooth user experience
- Event routing through handlers maintains clean separation of concerns
- Test mocking for UI widgets requires careful attention to method signatures
## Development Patterns Established
- Test-Driven Development with comprehensive coverage
- Consistent event handling patterns across modals and main application
- Clean separation between UI logic (app.py) and business logic (handlers)
- Professional TUI design with consistent styling and navigation
- Robust error handling and graceful degradation