protected override DragAndDropVisualMode HandleDragAndDrop(DragAndDropArgs args)
{
var render = AssetTreeManager.mIns.GetGuiRender(EditorContexts.mIns.Mode);
if (render != null)
{
AssetDragAndDropArgs copyArgs = new AssetDragAndDropArgs();
copyArgs.dragAndDropPosition = (AssetDragAndDropArgs.DragAndDropPosition)((int)args.dragAndDropPosition);
copyArgs.insertAtIndex = args.insertAtIndex;
copyArgs.parentItem = args.parentItem;
copyArgs.performDrop = args.performDrop;
DragAndDropVisualMode result = DragAndDropVisualMode.Move;
foreach (var subrender in render)
{
if (subrender.TypeMode == _viewMode)
{
IGuiTree treeRender = subrender as IGuiTree;
if (treeRender != null)
{
treeRender.Drag(ref copyArgs, ref result);
}
}
}
return(result);
}
return(base.HandleDragAndDrop(args));
}
public void Drag(ref AssetDragAndDropArgs dragargs, ref DragAndDropVisualMode dragmd)
{
var draggedRows = DragAndDrop.GetGenericData("AssetTreeViewDragging") as List <TreeViewItem>;
if (draggedRows != null)
{
switch (dragargs.dragAndDropPosition)
{
case AssetDragAndDropArgs.DragAndDropPosition.UponItem:
case AssetDragAndDropArgs.DragAndDropPosition.BetweenItems:
{
bool validDrag = dragargs.parentItem.depth != 0;
if (dragargs.performDrop && validDrag)
{
if (dragargs.parentItem.parent != null)
{
AssetTreeItem <SpriteTrackData> itemdata = dragargs.parentItem as AssetTreeItem <SpriteTrackData>;
if (itemdata != null && itemdata.GetData().ShowMode == SpriteShowMode.Atlas && itemdata.depth == 1)
{
OnDropDraggedElements(draggedRows, itemdata);
}
}
}
dragmd = validDrag ? DragAndDropVisualMode.Move : DragAndDropVisualMode.None;
break;
}
case AssetDragAndDropArgs.DragAndDropPosition.OutsideItems:
{
dragmd = DragAndDropVisualMode.Move;
break;
}
default:
Debug.LogError("Unhandled enum " + dragargs.dragAndDropPosition);
dragmd = DragAndDropVisualMode.None;
break;
}
}
else
{
dragmd = DragAndDropVisualMode.None;
}
}
public void Drag(ref AssetDragAndDropArgs dragargs, ref DragAndDropVisualMode dragmd)
{
}
public void Drag(ref AssetDragAndDropArgs dragargs, ref DragAndDropVisualMode dragmd)
{
var draggedRows = DragAndDrop.GetGenericData("AssetTreeViewDragging") as List <TreeViewItem>;
if (draggedRows != null)
{
switch (dragargs.dragAndDropPosition)
{
case AssetDragAndDropArgs.DragAndDropPosition.UponItem:
case AssetDragAndDropArgs.DragAndDropPosition.BetweenItems:
{
bool validDrag = dragargs.parentItem.depth != 0;
if (dragargs.performDrop && validDrag)
{
if (dragargs.parentItem.parent != null)
{
AssetTreeItem <AssetTreeData> itemdata = dragargs.parentItem.parent as AssetTreeItem <AssetTreeData>;
if (itemdata != null)
{
OnDropDraggedElements(draggedRows, itemdata);
}
}
}
dragmd = validDrag ? DragAndDropVisualMode.Move : DragAndDropVisualMode.None;
break;
}
case AssetDragAndDropArgs.DragAndDropPosition.OutsideItems:
{
//if (dragargs.performDrop)
//{
// int index = dragargs.insertAtIndex == -1 ? 0 : dragargs.insertAtIndex;
// var rows = dragargs.parentItem.children;
// if (index < rows.Count)
// {
// AssetTreeItem<AssetTreeData> itemdata = rows[index] as AssetTreeItem<AssetTreeData>;
// if (itemdata != null)
// OnDropDraggedElements(draggedRows, itemdata);
// }
// else
// {
// Debug.LogError("drag index error");
// }
//}
dragmd = DragAndDropVisualMode.Move;
break;
}
default:
Debug.LogError("Unhandled enum " + dragargs.dragAndDropPosition);
dragmd = DragAndDropVisualMode.None;
break;
}
}
else
{
dragmd = DragAndDropVisualMode.None;
}
}
