Introduce IPropertyGroupProvider interface that lets QObjects declare
which group each property belongs to. PropertyEditor then renders
collapsible group headers in the tree view, with properties sorted
under their respective groups.
Key changes:
- New IPropertyGroupProvider interface (getPropertyGroup method)
- QDetailsViewRow_Group row type with bold group header rendering
- isGroup model role and delegate property for styled group rows
- TapHandler-based expand/collapse toggle in delegate template
- One-time C++ auto-expand for groups in setObject() to avoid
re-expansion loop with delegate recreation
- Grouped property children added via LayoutBuilder::addGroup()
- GraphicsBusSectionItem demonstrates grouping with 5 categories
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- Add saveAsToFile() method to Document class for "Save As" functionality
- Add actionSaveAs menu item and onAction_saveAs() handler in MainWindow
- Add isValidItem() method to GraphicsBaseItem to filter helper elements
- Add using declarations to expose AbstractShapeType members in GraphicsBaseItem
- Fix document serialization to properly handle GraphicsItemGroup pen/brush
- HandleType enum starts from 50 to avoid conflicts with future handle types
- Improve deserialization to properly restore item properties
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
- Qt-based application for designing electrical power grid structures
- Features dockable UI with graphics canvas for placing grid elements
- Includes QtADS (Advanced Docking System v4.3.1) and PropertyEditor
- Supports Qt5/Qt6, multiple platforms (Windows, macOS, Linux, Android)
- Architecture: DesignerView/Scene, SelectorManager, Command Pattern for undo/redo