void FMoveKeys::OnBeginDrag(const FVector2D& LocalMousePos, TSharedPtr<FTrackNode> SequencerNode)
{
check( SelectedKeys.Num() > 0 )
// Begin an editor transaction and mark the section as transactional so it's state will be saved
GEditor->BeginTransaction( NSLOCTEXT("Sequencer", "MoveKeysTransaction", "Move Keys") );
TSet<UMovieSceneSection*> ModifiedSections;
for( FSelectedKey SelectedKey : SelectedKeys )
{
UMovieSceneSection* OwningSection = SelectedKey.Section;
// Only modify sections once
if( !ModifiedSections.Contains( OwningSection ) )
{
OwningSection->SetFlags( RF_Transactional );
// Save the current state of the section
OwningSection->Modify();
// Section has been modified
ModifiedSections.Add( OwningSection );
}
}
}
void FSequencerDragOperation::BeginTransaction( UMovieSceneSection& Section, const FText& TransactionDesc )
{
// Begin an editor transaction and mark the section as transactional so it's state will be saved
GEditor->BeginTransaction( TransactionDesc );
Section.SetFlags( RF_Transactional );
// Save the current state of the section
Section.Modify();
}
FReply SAnimationOutlinerTreeNode::OnAddKeyClicked()
{
FSequencer& Sequencer = DisplayNode->GetSequencer();
float CurrentTime = Sequencer.GetCurrentLocalTime(*Sequencer.GetFocusedMovieScene());
TSet<TSharedPtr<IKeyArea>> KeyAreas;
GetAllKeyAreas(DisplayNode, KeyAreas);
FScopedTransaction Transaction(LOCTEXT("AddKeys", "Add keys at current time"));
for (TSharedPtr<IKeyArea> KeyArea : KeyAreas)
{
UMovieSceneSection* OwningSection = KeyArea->GetOwningSection();
OwningSection->SetFlags(RF_Transactional);
OwningSection->Modify();
KeyArea->AddKeyUnique(CurrentTime);
}
return FReply::Handled();
}