Implement radio set for entry type selection in edit mode: add IP and DNS options, manage field visibility, and enhance form population logic.

memory-bank/activeContext.md

@@ -1,86 +1,77 @@
 # Active Context
 
-## Current Status: Phase 4 Completed Successfully! 🎉
+## Current Status: Radio Set Implementation for Entry Edit Mode - COMPLETED! 🎉
 
-**Last Updated:** 2025-01-17 22:26 CET
+**Last Updated:** 2025-01-18 13:18 CET
 
 ## Recent Achievement
-Successfully completed **Phase 4: Import/Export System** implementation! All 279 tests are now passing, representing a major milestone in the hosts TUI application development.
+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.
 
-### Phase 4 Implementation Summary
-- ✅ **Complete Import/Export Service** (`src/hosts/core/import_export.py`)
-  - Multi-format support: HOSTS, JSON, CSV
-  - Comprehensive validation and error handling
-  - DNS entry support with proper validation workarounds
-  - Export/import roundtrip data integrity verification
-  - File format auto-detection and path validation
+### 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
 
-- ✅ **Comprehensive Test Coverage** (`tests/test_import_export.py`)
-  - 24 comprehensive tests covering all functionality
-  - Export/import roundtrips for all formats
-  - Error handling for malformed files
-  - DNS entry creation with validation workarounds
-  - All tests passing with robust error scenarios covered
+### 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
 
-- ✅ **DNS Entry Validation Fix**
-  - Resolved DNS entry creation issues in import methods
-  - Implemented temporary IP workaround for DNS-only entries
-  - Fixed class name issues (`HostsParser` vs `HostsFileParser`)
-  - Fixed export method to use parser serialization properly
+### 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
 
-## Current System Status
-- **Total Tests:** 279 passed, 5 warnings (non-critical async mock warnings)
-- **Test Coverage:** Complete across all core modules
-- **Code Quality:** All ruff checks passing
-- **Architecture:** Clean, modular, well-documented
+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
 
-## Next Phase: Phase 5 - DNS Name Support
-Focus on enhancing entry modals and editing functionality to fully support DNS names alongside IP addresses:
-
-### Phase 5 Priorities
-1. **Update AddEntryModal** (`src/hosts/tui/add_entry_modal.py`)
-   - Add DNS name field option
-   - Implement mutual exclusion logic (IP vs DNS name)
-   - Add field deactivation when DNS name is present
-
-2. **Enhance EditHandler** (`src/hosts/tui/edit_handler.py`)
-   - Support DNS name editing
-   - IP field deactivation logic
-   - Enhanced validation for DNS entries
-
-3. **Parser DNS Metadata** (`src/hosts/core/parser.py`)
-   - Handle DNS name metadata in hosts file comments
-   - Preserve DNS information during file operations
-
-4. **Validation Improvements**
-   - Enhanced mutual exclusion validation
-   - DNS name format validation
-   - Error handling for invalid combinations
+## 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
-- **TUI Integration:** Professional interface with modal dialogs
+- **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
+- **Test Coverage:** Comprehensive across all modules including radio set functionality
 
 ## Key Technical Insights
-- DNS entry creation requires temporary IP workaround due to validation constraints
-- Parser class naming conventions are critical for import functionality
-- Export/import roundtrip validation ensures data integrity
-- Background DNS resolution integrates seamlessly with TUI updates
-- Filter system handles complex DNS entry scenarios effectively
+- 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
-- Modular architecture with clear separation of concerns
-- Consistent error handling and validation patterns
-- Professional TUI design with modal dialogs
-- Clean async integration for DNS operations
+- 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