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Move undo/redo and tab editing out of ContentView - #13
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- VisuStructCore: VisuStructEditHistory (undo/redo stacks, 80-step limit) and VisuStructDocumentEditing.sanitizedSelection, with tests. - DiagramSheetTab keeps a VisuStructEditHistory instead of two arrays. - DiagramSheetTabsModel+Editing: currentTab, updateCurrentTab, commitDocument, resetHistoryAndDocument, undo, redo, selectAndClearError, setErrorOnCurrentTab. - ContentView uses these instead of copying tabs by hand at each site. No behavior change intended. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
The engine, play/pause task, input text and the simulation mode flag move from ContentView @State into an @observable SimulationController. The step delay and highlight mode are read from UserDefaults at each step, as the @AppStorage values were before. No behavior change intended. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
code4teaching
marked this pull request as ready for review
October 18, 2026 22:22
- Palette/PaletteActionList.swift: palette rows, drag preview and the action buttons below; actions come in as closures. - Simulation/SimulationDetailView.swift: canvas plus state panel layout for simulation mode, driven by SimulationController. - ContentView keeps the action logic (toggleSimulationMode, openCodeGenerator) and the simulation canvas. No behavior change intended. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
- VisuStructCore: VisuStructDocumentEditing.multiwayAncestorPath and caseIndex(of:inMultiwayAt:), with tests. - Inspector/InspectorElementHints.swift: line editor placeholder and condition hint line per element type. - Remove the unused statementIOModeIfApplicable(). No behavior change intended. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
The four export actions in ContentView each rendered the diagram and mapped errors themselves. Export/DiagramExporter.swift now does that; ContentView only stores the share payloads it returns. No behavior change intended. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
- DiagramCanvasView.swift: inputs, state, layout and body, clipboard. - DiagramCanvasDropZones.swift: drop bands, tap insert targets and applying drops. - DiagramCanvasRenderer.swift: Canvas drawing of cells, lines and text. The two new files are extensions of DiagramCanvasView, so members they share lose their `private`. Code is moved unchanged otherwise. No behavior change intended. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
Carries the portrait simulation layout from main into SimulationDetailView.swift. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
Carries the VoiceOver block labels from main into DiagramCanvasDropZones.swift. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Cp4EQgFQyGbM8MVLiWbJKQ
# Conflicts: # VisuStruct-iOS/VisuStructXcodeOpen/VisuStruct/ContentView.swift
Split DiagramCanvasView into view, drop zones and renderer
Bundle PNG, file, PDF and print export in DiagramExporter
Move inspector hints and Fallauswahl path helpers out of ContentView
Extract PaletteActionList and SimulationDetailView from ContentView
Move simulation state and controls into SimulationController
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Requested by Holger · project thread
Before: ContentView.swift copied the whole tab array at 32 places to change one field of the current tab, and kept the undo/redo stacks and their 80-step limit inline.
After: the undo/redo history lives in VisuStructCore as
VisuStructEditHistory(with tests), and editing the current tab goes throughDiagramSheetTabsModel+Editing.swift. The app should behave exactly as before.How:
DiagramSheetTabnow holds ahistoryinstead of two arrays. The model extension offerscurrentTab,updateCurrentTab,commitDocument,resetHistoryAndDocument,undo,redo,selectAndClearErrorandsetErrorOnCurrentTab. The selection cleanup after undo, redo and delete is nowVisuStructDocumentEditing.sanitizedSelection. ContentView keeps the UI side effects (tab title sync, line editor refresh, focus). Step 3 of the plan; stacked on #12.Check on Mac and iPad: undo and redo after insert, delete, paste and text edits; undo back to an empty diagram; "New" on a tab with a linked file gets an untitled name again.
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