bool FNiagaraEditor::CanDeleteNodes() const
{
// If any of the nodes can be deleted then we should allow deleting
TSharedPtr<SGraphEditor> CurrentGraphEditor = NodeGraphEditorPtr.Pin();
const FGraphPanelSelectionSet SelectedNodes = CurrentGraphEditor->GetSelectedNodes();
for (FGraphPanelSelectionSet::TConstIterator SelectedIter(SelectedNodes); SelectedIter; ++SelectedIter)
{
UEdGraphNode* Node = Cast<UEdGraphNode>(*SelectedIter);
if (Node && Node->CanUserDeleteNode())
{
return true;
}
}
return false;
}
void FSoundCueEditor::DeleteSelectedNodes()
{
const FScopedTransaction Transaction( NSLOCTEXT("UnrealEd", "SoundCueEditorDeleteSelectedNode", "Delete Selected Sound Cue Node") );
SoundCueGraphEditor->GetCurrentGraph()->Modify();
const FGraphPanelSelectionSet SelectedNodes = GetSelectedNodes();
SoundCueGraphEditor->ClearSelectionSet();
for (FGraphPanelSelectionSet::TConstIterator NodeIt(SelectedNodes); NodeIt; ++NodeIt)
{
UEdGraphNode* Node = CastChecked<UEdGraphNode>(*NodeIt);
if (Node->CanUserDeleteNode())
{
if (USoundCueGraphNode* SoundGraphNode = Cast<USoundCueGraphNode>(Node))
{
USoundNode* DelNode = SoundGraphNode->SoundNode;
FBlueprintEditorUtils::RemoveNode(NULL, SoundGraphNode, true);
// Make sure SoundCue is updated to match graph
SoundCue->CompileSoundNodesFromGraphNodes();
// Remove this node from the SoundCue's list of all SoundNodes
SoundCue->AllNodes.Remove(DelNode);
SoundCue->MarkPackageDirty();
}
else
{
FBlueprintEditorUtils::RemoveNode(NULL, Node, true);
}
}
}
}
