/// <summary>
/// Create a new node from reflection data and insert into the Graph.
/// </summary>
internal void AddNodeFromReflectionData(
NodeReflectionData data,
Vector2 screenPosition,
PortView connectedPort = null
)
{
// Calculate where to place this node on the graph
var windowRoot = m_EditorWindow.rootVisualElement;
var windowMousePosition = m_EditorWindow.rootVisualElement.ChangeCoordinatesTo(
windowRoot.parent,
screenPosition - m_EditorWindow.position.position
);
var graphMousePosition = contentViewContainer.WorldToLocal(windowMousePosition);
// Create a new node instance and set initial data (ports, etc)
Undo.RegisterCompleteObjectUndo(m_Graph, $"Add Node {data.name}");
Debug.Log($"+node {data.name}");
var node = data.CreateInstance();
node.graphPosition = graphMousePosition;
m_Graph.AddNode(node);
m_SerializedGraph.Update();
EditorUtility.SetDirty(m_Graph);
var serializedNodesArr = m_SerializedGraph.FindProperty("nodes");
var nodeIdx = m_Graph.nodes.IndexOf(node);
var serializedNode = serializedNodesArr.GetArrayElementAtIndex(nodeIdx);
// Add a node to the visual graph
var editorType = NodeReflection.GetNodeEditorType(data.type);
var element = Activator.CreateInstance(editorType) as NodeView;
element.Initialize(node, serializedNode, m_EdgeListener);
AddElement(element);
// If there was a provided existing port to connect to, find the best
// candidate port on the new node and connect.
if (connectedPort != null)
{
var edge = new Edge();
if (connectedPort.direction == Direction.Input)
{
edge.input = connectedPort;
edge.output = element.GetCompatibleOutputPort(connectedPort);
}
else
{
edge.output = connectedPort;
edge.input = element.GetCompatibleInputPort(connectedPort);
}
AddEdge(edge, false);
}
Dirty(element);
}
public Node Instantiate(SearchResult result)
{
NodeReflectionData data = result.UserData as NodeReflectionData;
return(data.CreateInstance());
}