void IUndoEngineOperations.AddUndoUnitCore(UndoUnit unit) { //add element to Undo list this.containerUndoUnit.DoList.Add(unit); //clear redo list this.containerUndoUnit.RedoList.Clear(); }
public void AddUndoUnit(UndoUnit unit) { if (unit == null) { throw FxTrace.Exception.ArgumentNull("unit"); } this.undoEngineImpl.AddUndoUnitCore(unit); }
public void AddUndoUnit(UndoUnit unit) { if (unit == null) { throw FxTrace.Exception.ArgumentNull("unit"); } this.undoEngineImpl.AddUndoUnitCore(unit); }
private void NotifyUndoUnitCancelled(UndoUnit unit) { if (this.UndoUnitCancelled != null) { this.UndoUnitCancelled(this, new UndoUnitEventArgs() { UndoUnit = unit }); } }
private void NotifyRedoExecuted(UndoUnit unit) { if (this.RedoCompleted != null) { this.RedoCompleted(this, new UndoUnitEventArgs() { UndoUnit = unit }); } }
void IUndoEngineOperations.AddUndoUnitCore(UndoUnit unit) { undoBuffer.Add(unit); this.NotifyUndoUnitAdded(unit); if (undoBuffer.Count > capacity) { undoBuffer.RemoveAt(0); NotifyUndoUnitDiscarded(); } redoBuffer.Clear(); this.NotifyUndoRedoBufferChanged(); }
bool IUndoEngineOperations.RedoCore() { bool succeeded = false; if (redoBuffer.Count > 0) { UndoUnit unitToRedo = redoBuffer.Last(); redoBuffer.RemoveAt(redoBuffer.Count - 1); unitToRedo.Redo(); undoBuffer.Add(unitToRedo); NotifyRedoExecuted(unitToRedo); succeeded = true; } return(succeeded); }
bool IUndoEngineOperations.RedoCore() { //if there is anything to redo bool succeeded = false; if (this.containerUndoUnit.RedoList.Count > 0) { //get first element to redo UndoUnit unitToRedo = this.containerUndoUnit.RedoList.First(); //remove it this.containerUndoUnit.RedoList.RemoveAt(0); //redo it unitToRedo.Redo(); //add it to the end of undo list this.containerUndoUnit.DoList.Add(unitToRedo); succeeded = true; } return(succeeded); }
bool IUndoEngineOperations.UndoCore() { //if there is anything to undo bool succeeded = false; if (this.containerUndoUnit.DoList.Count > 0) { //get the last element done UndoUnit unitToUndo = this.containerUndoUnit.DoList.Last(); //remove it this.containerUndoUnit.DoList.RemoveAt(this.containerUndoUnit.DoList.Count - 1); //undo it unitToUndo.Undo(); //and insert to the head of redo list this.containerUndoUnit.RedoList.Insert(0, unitToUndo); succeeded = true; } return(succeeded); }
void IUndoEngineOperations.AddUndoUnitCore(UndoUnit unit) { //add element to Undo list this.containerUndoUnit.DoList.Add(unit); //clear redo list this.containerUndoUnit.RedoList.Clear(); }
private void NotifyUndoUnitCancelled(UndoUnit unit) { if (this.UndoUnitCancelled != null) { this.UndoUnitCancelled(this, new UndoUnitEventArgs() { UndoUnit = unit }); } }
private void NotifyRedoExecuted(UndoUnit unit) { if (this.RedoCompleted != null) { this.RedoCompleted(this, new UndoUnitEventArgs() { UndoUnit = unit }); } }
void IUndoEngineOperations.AddUndoUnitCore(UndoUnit unit) { undoBuffer.Add(unit); this.NotifyUndoUnitAdded(unit); if (undoBuffer.Count > capacity) { undoBuffer.RemoveAt(0); NotifyUndoUnitDiscarded(); } redoBuffer.Clear(); this.NotifyUndoRedoBufferChanged(); }