private void HandleDragAbsoluteMoveTabInPlace(DragUndockHeader header, DragAbsoluteEventArgs args)
{
DraggedTabInfo draggedTabInfo = DockManager.Instance.DraggedTabInfo;
bool flag = draggedTabInfo.GetTabIndexAt(args.ScreenPoint) == draggedTabInfo.DraggedTabPosition;
if (flag)
{
draggedTabInfo.ClearVirtualTabRect();
}
if (header.ViewElement == null && draggedTabInfo.DraggedViewElement == null)
{
return;
}
ViewElement tab = header.ViewElement ?? draggedTabInfo.DraggedViewElement;
if (!draggedTabInfo.TabStripRect.Contains(args.ScreenPoint) || flag || draggedTabInfo.VirtualTabRect.Contains(args.ScreenPoint))
{
return;
}
int tabIndexAt = draggedTabInfo.GetTabIndexAt(args.ScreenPoint);
if (-1 == tabIndexAt)
{
return;
}
DockOperations.MoveTab(tab, tabIndexAt);
draggedTabInfo.SetVirtualTabRect(tabIndexAt);
draggedTabInfo.MoveTabRect(draggedTabInfo.DraggedTabPosition, tabIndexAt);
draggedTabInfo.DraggedTabPosition = tabIndexAt;
}
private void HandleDockIntoTabStrip(DraggedTabInfo tabInfo, DragUndockHeader header, DragAbsoluteEventArgs args)
{
int dockPosition = tabInfo.GetClosestTabIndexAt(args.ScreenPoint);
if (-1 == dockPosition)
{
return;
}
ViewElement viewElement = tabInfo.TargetElement;
if (viewElement == null && tabInfo.GroupContainer != null)
{
viewElement = (ViewElement)DockOperations.CreateDocumentGroupAt(tabInfo.GroupContainer, tabInfo.GroupPosition);
viewElement.DockedHeight = tabInfo.GroupDockedHeight;
viewElement.DockedWidth = tabInfo.GroupDockedWidth;
viewElement.FloatingHeight = tabInfo.GroupFloatingHeight;
viewElement.FloatingWidth = tabInfo.GroupFloatingWidth;
}
if (!DockOperations.AreDockRestrictionsFulfilled(header.ViewElement, viewElement))
{
return;
}
bool flag = false;
ViewGroup viewGroup = tabInfo.NestedGroup as ViewGroup;
if (viewGroup != null)
{
flag = viewGroup.Children.Contains(header.ViewElement);
}
if (!flag && tabInfo.TabRects.Count > 0 && args.ScreenPoint.X > tabInfo.TabRects[tabInfo.TabRects.Count - 1].Right)
{
dockPosition = tabInfo.TabRects.Count;
}
if (tabInfo.TabRects.Count == 0)
{
dockPosition = 0;
}
if (DockManager.Instance.DraggedTabInfo != null && -1 != DockManager.Instance.DraggedTabInfo.DraggedTabPosition)
{
DockManager.Instance.DraggedTabInfo.RemoveTabRect(DockManager.Instance.DraggedTabInfo.DraggedTabPosition);
}
DockOperations.DockAt(viewElement, header.ViewElement, dockPosition);
tabInfo.TabStrip.IsNotificationNeeded = true;
tabInfo.DraggedTabPosition = dockPosition;
tabInfo.ClearVirtualTabRect();
DockManager.Instance.ClearAdorners();
}