protected override void OnDropZoneActivated(Overlay draggedOverlay) { base.OnDropZoneActivated(draggedOverlay); //Disable if the drop zone is linked to the overlay being dragged currently if (m_Placement == Placement.Start && m_Container.GetLastVisible(OverlayContainerSection.BeforeSpacer) == draggedOverlay || m_Placement == Placement.End && m_Container.GetLastVisible(OverlayContainerSection.AfterSpacer) == draggedOverlay) { SetVisualMode(VisualMode.Disabled); return; } if (m_Container is FloatingOverlayContainer) { SetVisualMode(VisualMode.Disabled); } else { if (m_Container is ToolbarOverlayContainer && !m_Container.HasVisibleOverlays()) { SetVisualMode(VisualMode.Disabled); } else if (!m_Container.isSpacerVisible) { SetVisualMode(VisualMode.Insert); } else { switch (m_Placement) { case Placement.Start: SetVisualMode(VisualMode.AddToStart); break; case Placement.End: SetVisualMode(VisualMode.AddToEnd); break; default: SetVisualMode(VisualMode.Disabled); break; } } } }
protected override void OnDropZoneActivated(Overlay draggedOverlay) { base.OnDropZoneActivated(draggedOverlay); SetVisualMode(m_OverlayContainer.HasVisibleOverlays() ? VisualMode.Disabled : VisualMode.Custom); }