protected override void PrepareAdornerLayer(DockAdornerWindow adornerLayer, ViewElement floatingElement)
{
DockTarget target = (DockTarget)adornerLayer.AdornedElement;
ConstrainedView constrainedView1 = target.TargetElement as ConstrainedView;
ConstrainedView constrainedView2 = floatingElement as ConstrainedView;
if (constrainedView2 != null)
{
constrainedView2.ApplyFloatingConstraints(adornerLayer, target);
}
if (constrainedView1 == null)
{
return;
}
constrainedView1.ApplyDockTargetConstraints(adornerLayer, floatingElement);
}
internal override DraggedTabInfo GetAutodockTarget(DragAbsoluteEventArgs args)
{
FloatingElement ancestor = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestor <FloatingElement>((Visual)(args.OriginalSource as DragUndockHeader));
if (ancestor != null)
{
FloatSite floatSite = ancestor.DataContext as FloatSite;
if (floatSite != null)
{
ConstrainedView constrainedView = floatSite.Child as ConstrainedView;
if (constrainedView != null && !constrainedView.CanAutoDock())
{
return((DraggedTabInfo)null);
}
}
}
return(base.GetAutodockTarget(args));
}
protected override bool IsValidFillPreviewOperation(DockTarget dockTarget, ViewElement dockingView)
{
if (!base.IsValidFillPreviewOperation(dockTarget, dockingView))
{
return(false);
}
ConstrainedView constrainedView1 = dockTarget.TargetElement as ConstrainedView;
ConstrainedView constrainedView2 = dockingView as ConstrainedView;
if (constrainedView1 != null && !constrainedView1.IsValidFillPreviewOperation(dockTarget, dockingView))
{
return(false);
}
if (constrainedView2 != null)
{
return(constrainedView2.IsValidFillPreviewOperation(dockTarget, dockingView));
}
return(true);
}
protected override bool IsValidDockTarget(DockTarget target, IList <DockSiteType> types, ViewElement floatingElement)
{
if (!base.IsValidDockTarget(target, types, floatingElement))
{
return(false);
}
ConstrainedView constrainedView1 = target.TargetElement as ConstrainedView;
ConstrainedView constrainedView2 = floatingElement as ConstrainedView;
if (constrainedView1 != null && !constrainedView1.IsFloatingElementValidForDock(floatingElement))
{
return(false);
}
if (constrainedView2 != null)
{
return(constrainedView2.IsDockTargetValidForDock(target));
}
return(true);
}