mitk::OperationEvent* mitk::LimitedLinearUndo::GetLastOfType(OperationActor* destination, OperationType opType)
{
// When/where is this function needed? In CoordinateSupplier...
for ( UndoContainerRevIter iter = m_UndoList.rbegin(); iter != m_UndoList.rend(); ++iter )
{
OperationEvent* opEvent = dynamic_cast<OperationEvent*>(*iter);
if (!opEvent) continue;
if ( opEvent->GetOperation() != NULL
&& opEvent->GetOperation()->GetOperationType() == opType
&& opEvent->IsValid()
&& opEvent->GetDestination() == destination )
return opEvent;
}
return NULL;
}
bool mitk::CoordinateSupplier::ExecuteAction(Action* action, mitk::StateEvent const* stateEvent)
{
bool ok = false;
const PositionEvent* posEvent = dynamic_cast<const PositionEvent*>(stateEvent->GetEvent());
PointOperation* doOp=NULL;
if(posEvent!=NULL)
{
ScalarType timeInMS = 0;
if(stateEvent->GetEvent()->GetSender()!=NULL)
{
timeInMS = stateEvent->GetEvent()->GetSender()->GetTime();
}
else
{
itkWarningMacro(<<"StateEvent::GetSender()==NULL - setting timeInMS to 0");
}
switch (action->GetActionId())
{
case AcNEWPOINT:
{
if (m_Destination == NULL)
return false;
m_OldPoint = posEvent->GetWorldPosition();
doOp = new mitk::PointOperation(OpADD, timeInMS, m_OldPoint, 0);
//Undo
if (m_UndoEnabled)
{
PointOperation* undoOp = new PointOperation(OpDELETE, m_OldPoint, 0);
OperationEvent *operationEvent = new OperationEvent( m_Destination, doOp, undoOp );
m_UndoController->SetOperationEvent(operationEvent);
}
//execute the Operation
m_Destination->ExecuteOperation(doOp);
if (!m_UndoEnabled)
delete doOp;
ok = true;
break;
}
case AcINITMOVEMENT:
{
if (m_Destination == NULL)
return false;
//move the point to the coordinate //not used, cause same to MovePoint... check xml-file
mitk::Point3D movePoint = posEvent->GetWorldPosition();
mitk::PointOperation doPointOp(OpMOVE, timeInMS, movePoint, 0);
//execute the Operation
m_Destination->ExecuteOperation(&doPointOp);
ok = true;
break;
}
case AcMOVEPOINT:
case AcMOVE:
{
mitk::Point3D movePoint = posEvent->GetWorldPosition();
m_CurrentPoint = movePoint;
if (m_Destination == NULL)
return false;
mitk::PointOperation doPointOp(OpMOVE, timeInMS, movePoint, 0);
//execute the Operation
m_Destination->ExecuteOperation(&doPointOp);
ok = true;
break;
}
case AcFINISHMOVEMENT:
{
if (m_Destination == NULL)
return false;
/*finishes a Movement from the coordinate supplier:
gets the lastpoint from the undolist and writes an undo-operation so
that the movement of the coordinatesupplier is undoable.*/
mitk::Point3D movePoint = posEvent->GetWorldPosition();
mitk::Point3D oldMovePoint; oldMovePoint.Fill(0);
doOp = new mitk::PointOperation(OpMOVE, timeInMS, movePoint, 0);
PointOperation finishOp(OpTERMINATE, movePoint, 0);
if (m_UndoEnabled )
{
//get the last Position from the UndoList
OperationEvent *lastOperationEvent = m_UndoController->GetLastOfType(m_Destination, OpMOVE);
if (lastOperationEvent != NULL)
{
PointOperation* lastOp = dynamic_cast<PointOperation *>(lastOperationEvent->GetOperation());
if (lastOp != NULL)
{
oldMovePoint = lastOp->GetPoint();
}
}
PointOperation* undoOp = new PointOperation(OpMOVE, timeInMS, oldMovePoint, 0, "Move slices");
OperationEvent *operationEvent = new OperationEvent(m_Destination, doOp, undoOp, "Move slices");
m_UndoController->SetOperationEvent(operationEvent);
}
//execute the Operation
m_Destination->ExecuteOperation(doOp);
if (!m_UndoEnabled)
delete doOp;
m_Destination->ExecuteOperation(&finishOp);
ok = true;
break;
}
default:
ok = false;
break;
}
return ok;
}
