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Added Drop event to Node Graph (#157)

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Override NodeGraphEditor.OnDropObjects to deal with items dropped into the graph through DragAndDrop
This commit is contained in:
William Henry 2019-06-28 18:04:39 -04:00 committed by Thor Brigsted
parent 8d64843d42
commit 9b239c3564
2 changed files with 13 additions and 0 deletions
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8
Scripts/Editor/NodeEditorAction.cs
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@ -52,6 +52,14 @@ namespace XNodeEditor {
wantsMouseMove = true;
Event e = Event.current;
switch (e.type) {
case EventType.DragUpdated:
case EventType.DragPerform:
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
if (e.type == EventType.DragPerform) {
DragAndDrop.AcceptDrag();
graphEditor.OnDropObjects(DragAndDrop.objectReferences);
}
break;
case EventType.MouseMove:
//Keyboard commands will not get correct mouse position from Event
lastMousePosition = e.mousePosition;

5
Scripts/Editor/NodeGraphEditor.cs
View File

@ -70,6 +70,11 @@ namespace XNodeEditor {
return NodeEditorPreferences.GetTypeColor(type);
}
/// <summary> Deal with objects dropped into the graph through DragAndDrop </summary>
public virtual void OnDropObjects(UnityEngine.Object[] objects) {
Debug.Log("No OnDropItems override defined for " + GetType());
}
/// <summary> Create a node and save it in the graph asset </summary>
public virtual void CreateNode(Type type, Vector2 position) {
XNode.Node node = target.AddNode(type);