public override Node Create(Vector2 pos)
{
UnityTextureInput node = CreateInstance <UnityTextureInput> ();
node.rect = new Rect(pos.x, pos.y, 150, 150);
node.name = "UnityTextureInput";
node.CreateOutput("Texture", "TextureParam", NodeSide.Right, 50);
return(node);
}
[EventHandlerAttribute(EventType.DragPerform, 90)] // Priority over hundred to make it call after the GUI
private static void HandleDragAndDrop(NodeEditorInputInfo inputInfo)
{
if (inputInfo.inputEvent.type == EventType.DragUpdated || (inputInfo.inputEvent.type == EventType.DragPerform))
{
//Debug.LogError("handle drag " + inputInfo.inputEvent.type);
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (inputInfo.inputEvent.type == EventType.DragPerform && DragAndDrop.objectReferences.Length > 0 &&
(DragAndDrop.objectReferences[0] is Texture2D))
{
Debug.Log(" drag texture " + DragAndDrop.objectReferences[0]);
UnityTextureInput node =
(UnityTextureInput)
Node.Create("UnityTextureInput", NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
node.m_Input = DragAndDrop.objectReferences[0] as Texture2D;
inputInfo.inputEvent.Use();
}
else if (inputInfo.inputEvent.type == EventType.DragPerform &&
DragAndDrop.GetGenericData("GenericDragColumnDragging") != null)
{
DragAndDrop.AcceptDrag();
//Debug.Log("dragged generic data "+ DragAndDrop.GetGenericData("GenericDragColumnDragging"));
List <UnityEditor.IMGUI.Controls.TreeViewItem> _data =
DragAndDrop.GetGenericData("GenericDragColumnDragging") as
List <UnityEditor.IMGUI.Controls.TreeViewItem>;
var draggedElements = new List <TreeElement>();
foreach (var x in _data)
{
draggedElements.Add(((TreeViewItem <MyTreeElement>)x).data);
}
var srcItem = draggedElements[0] as MyTreeElement;
if (srcItem.m_Canvas)
{
SubTreeNode node =
(SubTreeNode)
Node.Create("SubTreeNode", NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
node.SubCanvas = srcItem.m_Canvas;
string assetPath = AssetDatabase.GetAssetPath(node.SubCanvas);
// Debug.Log("drag and drop asset canvas path >" + assetPath + "<");
if (assetPath.Length > 0)
{
node.m_CanvasGuid = AssetDatabase.AssetPathToGUID(assetPath);
Debug.LogError(" set canvasGuid from asset >" + node.m_CanvasGuid + "<");
string fname = Path.GetFileName(assetPath);
fname = Path.ChangeExtension(fname, "");
node.name = "Sub:" + fname;
}
node.OnLoadCanvas();
}
else
{
Node node = Node.Create(srcItem.m_NodeID, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
}
inputInfo.inputEvent.Use();
}
else if (inputInfo.inputEvent.type == EventType.DragPerform &&
DragAndDrop.objectReferences.Length > 0 && (DragAndDrop.objectReferences[0] is NodeCanvas))
{
DragAndDrop.AcceptDrag();
// Debug.Log(" drag and drop " + DragAndDrop.objectReferences[0] + " co ord " + Event.current.mousePosition);
SubTreeNode node =
(SubTreeNode)
Node.Create("SubTreeNode", NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
node.SubCanvas = (NodeCanvas)DragAndDrop.objectReferences[0];
string assetPath = AssetDatabase.GetAssetPath(node.SubCanvas);
// Debug.Log("drag and drop asset canvas path >" + assetPath + "<");
if (assetPath.Length > 0)
{
node.m_CanvasGuid = AssetDatabase.AssetPathToGUID(assetPath);
Debug.LogError(" set canvasGuid from asset >" + node.m_CanvasGuid + "<");
string fname = Path.GetFileName(assetPath);
fname = Path.ChangeExtension(fname, "");
node.name = "Sub:" + fname;
}
inputInfo.inputEvent.Use();
node.OnLoadCanvas();
}
}
}
