public void ProcessDropInsertion(int insertionIndex)
{
if (Event.current.type == EventType.DragPerform)
{
var draggedItem = (DraggedListItem)DragAndDrop.GetGenericData(DraggedListItem.TypeName);
if (draggedItem.sourceListAdaptor == this)
{
Move(draggedItem.index, insertionIndex);
}
else
{
if (CanDrop(draggedItem.item))
{
metadata.Insert(insertionIndex, draggedItem.item);
itemAdded?.Invoke(draggedItem.item);
draggedItem.sourceListAdaptor.Remove(draggedItem.index);
selectedList = this;
draggedItem.sourceListAdaptor.parentInspector.SetHeightDirty();
parentInspector.SetHeightDirty();
}
}
GUI.changed = true;
Event.current.Use();
}
}
public override void DrawItem(Rect position, int index)
{
LudiqGUI.Inspector(metadata[index], position, GUIContent.none);
var item = this[index];
var controlID = GUIUtility.GetControlID(FocusType.Passive);
switch (Event.current.GetTypeForControl(controlID))
{
case EventType.MouseDown:
// Exclude delete button from draggable position
var draggablePosition = ReorderableListGUI.CurrentItemTotalPosition;
draggablePosition.xMax = position.xMax + 2;
if (Event.current.button == (int)MouseButton.Left && draggablePosition.Contains(Event.current.mousePosition))
{
selectedList = this;
selectedItem = item;
if (alwaysDragAndDrop || Event.current.alt)
{
GUIUtility.hotControl = controlID;
mouseDragStartPosition = Event.current.mousePosition;
Event.current.Use();
}
}
break;
case EventType.MouseDrag:
if (GUIUtility.hotControl == controlID)
{
GUIUtility.hotControl = 0;
if (Vector2.Distance(mouseDragStartPosition, Event.current.mousePosition) >= MouseDragThreshold)
{
DragAndDrop.PrepareStartDrag();
DragAndDrop.objectReferences = new UnityObject[0];
DragAndDrop.paths = new string[0];
DragAndDrop.SetGenericData(DraggedListItem.TypeName, new DraggedListItem(this, index, item));
DragAndDrop.StartDrag(metadata.path);
}
Event.current.Use();
}
break;
}
}
public ListInspector(Metadata metadata) : base(metadata)
{
adaptor = new MetadataListAdaptor(metadata, this);
}
public DraggedListItem(MetadataListAdaptor sourceListAdaptor, int index, object item)
{
this.sourceListAdaptor = sourceListAdaptor;
this.index = index;
this.item = item;
}