public void OnPointerDown(PointerEventData data)
{
if (!MatrixParent.OperationInProgress)
{
MatrixParent.StartOperation(this);
}
}
protected override void Start()
{
base.Start();
MatrixParent.OnOperationFinish.AddListener(OnOperationFinish);
history.Insert(new MatrixHistoryItem(MatrixParent.CurrentMatrix));
operationUI = MatrixParent.GetComponentInChildren <MatrixOperationUI>(true);
OnHistoryUpdate();
}
public void AttemptRedoPreview()
{
if (RedoIsValid && redoButton.IsPointerPresent)
{
MatrixParent.SetPreviewMatrix(history.Next.Matrix, history.Next.PreviousOperation);
MatrixParent.HighlightOperationParticipants(history.Next.PreviousOperation);
operationUI.ShowText(history.Next.PreviousOperation, "REDO: {0}");
}
else
{
ClearPreview();
}
}
public bool Redo()
{
// Try to redo
bool success = history.Redo();
// If redo succeeds then update the matrix
if (success)
{
MatrixParent.CurrentMatrix = history.Current.Matrix;
MatrixParent.IncreaseMovesMade();
OnHistoryUpdate();
AttemptRedoPreview();
}
return(success);
}
// When the source stops dragging, ask the matrix to confirm operation
public void OnEndDrag(PointerEventData data)
{
// Attempt to confirm the operation
MatrixParent.FinishOperation();
}
private void OnPointerExit()
{
MatrixParent.UnsetOperationDestination();
}
private void OnPointerEnter()
{
MatrixParent.SetOperationDestination(this);
}
public void ClearPreview()
{
MatrixParent.ClearOperationParticipantHighlights();
MatrixParent.ShowCurrent();
operationUI.HideText();
}
