protected override void PerformAction(VisualElement destination, DestinationPane pane, Vector2 localMousePosition, int index = -1)
{
if (pane == DestinationPane.Viewport && !IsPickedElementValid(m_TargetElementToReparent))
{
return;
}
base.PerformAction(destination, pane, localMousePosition, index);
m_TargetElementToReparent.RemoveFromClassList(s_DragPreviewElementClassName);
// Remove temporary min-size element.
destination.RemoveMinSizeSpecialElement();
var newParent = destination;
// We already have the correct index from the preview element that is
// already inserted in the hierarchy. The index we get from the arguments
// is actually incorrect (off by one) because it will count the
// preview element.
index = m_DragPreviewLastParent.IndexOf(m_TargetElementToReparent);
bool undo = true;
foreach (var elementToReparent in m_ElementsToReparent)
{
var element = elementToReparent.element;
if (newParent == element || newParent.HasAncestor(element))
{
continue;
}
BuilderAssetUtilities.ReparentElementInAsset(
paneWindow.document, element, newParent, index, undo);
undo = false;
}
BuilderAssetUtilities.SortElementsByTheirVisualElementInAsset(newParent);
selection.NotifyOfHierarchyChange(null);
selection.NotifyOfStylingChange(null);
selection.ForceReselection(null);
}
