protected virtual bool IsValidDockTarget(DockTarget target, IList <DockSiteType> types, ViewElement floatingElement)
{
if (target != null && (target.TargetElement == null || target.TargetElement.AreDockTargetsEnabled) && types.Contains(target.DockSiteType))
{
return(DockOperations.AreDockRestrictionsFulfilled(floatingElement.DockRestriction, target.TargetElement));
}
return(false);
}
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();
}
public void PerformDrop(DragAbsoluteEventArgs args)
{
DragUndockHeader dragUndockHeader = args.OriginalSource as DragUndockHeader;
FloatingWindow floatingWindow = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestor <FloatingWindow>((Visual)dragUndockHeader);
DockManager.DockSiteHitTestResult hitElement = this.FindHitElement(args.ScreenPoint, (Predicate <DockManager.DockSite>)(s => s.Visual != floatingWindow));
if (hitElement != null)
{
DockSiteAdorner ancestorOrSelf1 = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockSiteAdorner>(hitElement.VisualHit);
DockAdornerWindow ancestorOrSelf2 = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockAdornerWindow>(hitElement.VisualHit);
DockTarget dockTarget = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockTarget>(hitElement.VisualHit);
DockDirection dockDirection = DockDirection.Fill;
bool flag = false;
bool createDocumentGroup = false;
if (floatingWindow != null && this.IsValidFillPreviewOperation(dockTarget, dragUndockHeader.ViewElement))
{
dockDirection = DockDirection.Fill;
flag = true;
}
if (ancestorOrSelf1 != null && ancestorOrSelf2 != null && ancestorOrSelf2.AdornedElement != null)
{
dockDirection = ancestorOrSelf1.DockDirection;
dockTarget = ancestorOrSelf2.AdornedElement as DockTarget;
if (DockOperations.AreDockRestrictionsFulfilled(dragUndockHeader.ViewElement, dockTarget.TargetElement))
{
flag = true;
createDocumentGroup = ancestorOrSelf1.CreatesDocumentGroup;
}
}
if (flag)
{
PerformanceUtility.MeasurePerformanceUntilRender(PerformanceEvent.DockPalette);
dockTarget.RaiseEvent((RoutedEventArgs) new FloatingElementDockedEventArgs(DockManager.FloatingElementDockedEvent, dragUndockHeader.ViewElement, dockDirection, createDocumentGroup));
}
}
this.ClearAdorners();
}
protected virtual bool IsValidFillPreviewOperation(DockTarget dockTarget, ViewElement dockingView)
{
bool flag = false;
if (dockTarget != null && dockTarget.DockTargetType == DockTargetType.FillPreview && (DockOperations.AreDockRestrictionsFulfilled(dockingView, dockTarget.TargetElement) && dockTarget.TargetElement.AreDockTargetsEnabled))
{
flag = true;
}
return(flag);
}