C++ (Cpp) FGraphPanelSelectionSet::Num Examples

Example #1

File: SoundCueEditor.cpp Project: PickUpSU/UnrealEngine4

bool FSoundCueEditor::CanDeleteNodes() const
{
	const FGraphPanelSelectionSet SelectedNodes = GetSelectedNodes();

	if (SelectedNodes.Num() == 1)
	{
		for (FGraphPanelSelectionSet::TConstIterator NodeIt(SelectedNodes); NodeIt; ++NodeIt)
		{
			if (Cast<USoundCueGraphNode_Root>(*NodeIt))
			{
				// Return false if only root node is selected, as it can't be deleted
				return false;
			}
		}
	}

	return SelectedNodes.Num() > 0;
}