| Undo/Redo System |
execute(), undo(), redo() |
Command pattern: all user actions are encapsulated as Command objects. |
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beginTransaction(), commitTransaction() |
Group multiple commands into atomic transactions. |
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tryMergeWith(Command) |
Merge similar commands for efficient undo/redo. |
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canMergeWith |
Indicates if a command can be merged. |
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HistoryManager._undoStack/_redoStack |
Internal stacks for undo/redo. |
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HistoryManager.executeCommand() |
Executes and tracks a command. |
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HistoryManager.undo()/redo() |
Pops/pushes commands from stacks and calls undo/execute. |
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WorkspaceManager integration |
All model changes routed through command system. |
| Workspace Versioning |
createSnapshot(), compareVersions(), restoreVersion() |
Manage, compare, and restore workspace versions. |
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getVersionMetadata() |
Retrieve metadata for each version. |
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export/importVersion() |
Export/import specific versions. |
| Level-of-Detail Rendering |
LODManager.getDetailLevel() |
Determines detail level based on zoom. |
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cullElementsInViewport() |
Skips rendering off-screen elements. |
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progressiveRender() |
Incrementally renders complex diagrams. |
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cacheElementData() |
Caches frequently accessed elements. |
| Parallel Processing |
runInParallel(), processBatchAsync() |
Multi-threaded/async processing for batch/layout/export. |
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trackProgress(), cancelOperation() |
Progress/cancellation for long-running ops. |
| Documentation Search |
indexDocumentation(), search(query) |
Full-text and metadata search. |
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filterResults(), highlightMatches() |
Filtering and result highlighting. |
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saveSearch(), getSearchAnalytics() |
Saved searches and analytics. |
| Math Equation Support |
renderEquation(), editEquation() |
LaTeX/MathJax rendering and editing. |
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numberEquations(), referenceEquation() |
Numbering and referencing equations. |
| Mobile/Desktop Enhancements |
handleTouchGesture(), handleKeyboardShortcut() |
Platform-specific interaction handlers. |
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optimizeLayoutForScreen() |
Responsive/adaptive UI. |
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showContextMenu(), dragAndDropFile() |
Desktop-specific features. |
| Advanced Testing |
runGoldenTest(), runPerformanceTest() |
Specialized test coverage for rendering, performance, and compatibility. |
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runStressTest(), runAccessibilityTest() |
Stress and accessibility testing. |