TSharedPtr<FSequencerTrackNode> GetParentTrackNode(FSequencerDisplayNode& In)
{
	FSequencerDisplayNode* Current = &In;
	while(Current && Current->GetType() != ESequencerNode::Object)
	{
		if (Current->GetType() == ESequencerNode::Track)
		{
			return StaticCastSharedRef<FSequencerTrackNode>(Current->AsShared());
		}
		Current = Current->GetParent().Get();
	}

	return nullptr;
}
예제 #2
0
FKeyAreaLayout::FKeyAreaLayout(FSequencerDisplayNode& InNode, int32 InSectionIndex)
{
	TotalHeight = 0.f;

	float LastPadding = 0.f;

	auto SetupKeyArea = [&](FSequencerDisplayNode& Node){

		if (Node.GetType() == ESequencerNode::KeyArea)
		{
			Elements.Add(FKeyAreaLayoutElement::FromKeyAreaNode(StaticCastSharedRef<FSectionKeyAreaNode>(Node.AsShared()), InSectionIndex, TotalHeight));
		}
		else if (!Node.IsExpanded())
		{
			Elements.Add(FKeyAreaLayoutElement::FromGroup(Node.UpdateKeyGrouping(InSectionIndex), TotalHeight, Node.GetNodeHeight()));
		}

	};


	// First, layout the parent
	{
		FSequencerDisplayNode* LayoutNode = &InNode;
		if (InNode.GetType() == ESequencerNode::Track)
		{
			TSharedPtr<FSequencerDisplayNode> KeyAreaNode = static_cast<FTrackNode&>(InNode).GetTopLevelKeyNode();
			if (KeyAreaNode.IsValid())
			{
				LayoutNode = KeyAreaNode.Get();
			}
		}

		SetupKeyArea(*LayoutNode);

		LastPadding = LayoutNode->GetNodePadding().Bottom;
		TotalHeight += LayoutNode->GetNodeHeight() + LastPadding;
	}

	// Then any children
	InNode.TraverseVisible_ParentFirst([&](FSequencerDisplayNode& Node){
		
		TotalHeight += Node.GetNodePadding().Top;

		SetupKeyArea(Node);

		LastPadding = Node.GetNodePadding().Bottom;
		TotalHeight += Node.GetNodeHeight() + LastPadding;
		return true;

	}, false);

	// Remove the padding from the bottom
	TotalHeight -= LastPadding;
}
예제 #3
0
bool FSequencerNodeTree::GetDefaultExpansionState( const FSequencerDisplayNode& Node ) const
{
	// For now, all types except categories and key areas are expanded by default
	return Node.GetType() != ESequencerNode::Category && Node.GetType() != ESequencerNode::KeyArea;
}
예제 #4
0
bool FSequencerNodeTree::GetDefaultExpansionState( const FSequencerDisplayNode& Node ) const
{
	// For now, only object nodes are expanded by default
	return Node.GetType() == ESequencerNode::Object;
}