private void OnDragPerform(EventBase evt)
{
Object validatedObject = DNDValidateObject();
if (validatedObject != null)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
m_ObjectField.SetValueAndNotify(validatedObject);
DragAndDrop.AcceptDrag();
RemoveFromClassList("acceptDrop");
evt.StopPropagation();
}
}
private void OnIMGUI(EventBase evt)
{
if (evt.imguiEvent.type == EventType.DragUpdated || evt.imguiEvent.type == EventType.DragPerform)
{
Object[] references = DragAndDrop.objectReferences;
Object validatedObject = EditorGUI.ValidateObjectFieldAssignment(references, m_ObjectField.objectType, null, EditorGUI.ObjectFieldValidatorOptions.None);
if (validatedObject != null)
{
// If scene objects are not allowed and object is a scene object then clear
if (!m_ObjectField.allowSceneObjects && !EditorUtility.IsPersistent(validatedObject))
{
validatedObject = null;
}
}
if (validatedObject != null)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
if (evt.imguiEvent.type == EventType.DragPerform)
{
m_ObjectField.SetValueAndNotify(validatedObject);
DragAndDrop.AcceptDrag();
evt.StopPropagation();
RemoveFromClassList("acceptDrop");
}
else
{
AddToClassList("acceptDrop");
}
}
}
}