Apos.History
A C# library that makes it easy to handle undo and redo.
Documentation
Build
Features
- Undo
- Redo
- History from multiple data structures.
- Remove earliest history if needed.
Usage
var historyHandler = new HistoryHandler();
int fishCount = 0;
int appleCount = 0;
SaveFishCount(fishCount, 3);
SaveFishCount(fishCount, 4);
SaveFishCount(fishCount, 5);
SaveAppleCount(appleCount, 7);
SaveAppleCount(appleCount, 9);
SaveAppleCount(appleCount, 4);
SaveAppleCount(appleCount, 5);
// Group multiple histories in one batch.
historyHandler.AutoCommit = false;
SaveFishCount(fishCount, 10);
SaveAppleCount(appleCount, 20);
// Call Commit manually.
historyHandler.Commit();
historyHandler.AutoCommit = true;
historyHandler.Undo();
historyHandler.Undo();
historyHandler.Redo();
SaveFishCount(int oldCount, int newCount) {
historyHandler.Add(() => {
fishCount = oldCount;
}, () => {
fishCount = newCount;
});
}
SaveAppleCount(int oldCount, int newCount) {
historyHandler.Add(() => {
appleCount = oldCount;
}, () => {
appleCount = newCount;
});
}