bool mitk::MoveBaseDataInteractor::ExecuteAction( Action* action, mitk::StateEvent const* stateEvent )
{
bool ok = false;
/*Each case must watch the type of the event!*/
switch (action->GetActionId())
{
case AcDONOTHING:
ok = true;
break;
case AcCHECKELEMENT:
/*
* picking: Answer the question if the given position within stateEvent is close enough to select an object
* send yes if close enough and no if not picked
*/
{
mitk::DisplayPositionEvent const *posEvent = dynamic_cast <const mitk::DisplayPositionEvent *> (stateEvent->GetEvent());
if (posEvent == nullptr)
{
MITK_WARN<<"Wrong usage of mitkMoveBaseDataInteractor! Aborting interaction!\n";
return false;
}
mitk::Point3D worldPoint = posEvent->GetWorldPosition();
/* now we have a worldpoint. check if it is inside our object and select/deselect it accordingly */
std::auto_ptr<StateEvent> newStateEvent;
const BaseGeometry* geometry = GetData()->GetUpdatedTimeGeometry()->GetGeometryForTimeStep( m_TimeStep );
if (geometry->IsInside(worldPoint))
newStateEvent.reset(new mitk::StateEvent(EIDYES, stateEvent->GetEvent()));
else
newStateEvent.reset(new mitk::StateEvent(EIDNO, stateEvent->GetEvent()));
/* write new state (selected/not selected) to the property */
this->HandleEvent( newStateEvent.get() );
ok = true;
break;
}
case AcSELECT:
// select the data
{
mitk::BoolProperty::Pointer selected = dynamic_cast<mitk::BoolProperty*>(m_DataNode->GetProperty("selected"));
if ( selected.IsNull() )
{
selected = mitk::BoolProperty::New();
m_DataNode->GetPropertyList()->SetProperty("selected", selected);
}
mitk::ColorProperty::Pointer selectedColor = dynamic_cast<mitk::ColorProperty*>(m_DataNode->GetProperty("MovingInteractor.SelectedColor"));
if ( selectedColor.IsNotNull() )
{
m_DataNode->GetPropertyList()->SetProperty("color", selectedColor);
}
selected->SetValue(true);
//update rendering
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
ok = true;
break;
}
case AcDESELECT:
//deselect the data
{
mitk::BoolProperty::Pointer selected = dynamic_cast<mitk::BoolProperty*>(m_DataNode->GetProperty("selected"));
if ( selected.IsNull() )
{
selected = mitk::BoolProperty::New();
m_DataNode->GetPropertyList()->SetProperty("selected", selected);
}
mitk::ColorProperty::Pointer deselectedColor =
dynamic_cast<mitk::ColorProperty*>(m_DataNode->GetProperty("MovingInteractor.DeselectedColor"));
if ( deselectedColor.IsNotNull() )
{
m_DataNode->GetPropertyList()->SetProperty("color", deselectedColor);
}
selected = mitk::BoolProperty::New(false);
//update rendering
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
ok = true;
break;
}
case AcMOVE:
{
//modify Geometry from data as given in parameters or in event
mitk::IntProperty* xP = dynamic_cast<mitk::IntProperty*>(action->GetProperty("DIRECTION_X"));
mitk::IntProperty* yP = dynamic_cast<mitk::IntProperty*>(action->GetProperty("DIRECTION_Y"));
mitk::IntProperty* zP = dynamic_cast<mitk::IntProperty*>(action->GetProperty("DIRECTION_Z"));
if (xP == nullptr || yP == nullptr || zP == nullptr)
{
MITK_WARN<<"No properties returned\n!";
return false;
}
mitk::Vector3D movementVector;
movementVector.SetElement(0, (float) xP->GetValue());
movementVector.SetElement(1, (float) yP->GetValue());
movementVector.SetElement(2, (float) zP->GetValue());
BaseGeometry* geometry = m_DataNode->GetData()->GetUpdatedTimeGeometry()->GetGeometryForTimeStep( m_TimeStep );
geometry->Translate(movementVector);
// indicate modification of data tree node
m_DataNode->Modified();
//update rendering
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
ok = true;
break;
}
default:
return Superclass::ExecuteAction( action, stateEvent );
}
return ok;
}
