internal void AlignToTarget(TargetArgs args)
{
if (args.DockContainer != DockHost)
{
DockHost = args.DockContainer;
if (DockHost == null)
{
DockArea = Rect.Empty;
}
else
{
DockArea = new Rect(
DockHost.ContentHost.TranslatePoint(new Point(), this),
DockHost.ContentHost.RenderSize
);
}
}
var host = args.TabWell as FrameworkElement ?? args.DocumentContainer;
if (host != TargetHost)
{
TargetHost = host;
if (TargetHost == null)
{
TargetArea = Rect.Empty;
}
else
{
TargetArea = new Rect(
TargetHost.TranslatePoint(new Point(), this),
TargetHost.RenderSize
);
}
}
var isAllTools = args.SourceItems.All(i => i.ItemType == TabItemType.Tool);
CanDockOuter = isAllTools;
if (TargetHost is DocumentWell)
{
CanDropCenter = true;
CanDockTarget = isAllTools;
var panel = TargetHost.FindVisualAncestor <DocumentContainer>();
CanSplitHorizontal = panel?.Orientation == Orientation.Horizontal || panel?.Items.Count <= 1;
CanSplitVertical = panel?.Orientation == Orientation.Vertical || panel?.Items.Count <= 1;
}
else if (TargetHost is DocumentContainer)
{
CanDropCenter = true;
CanDockTarget = isAllTools;
CanSplitHorizontal = CanSplitVertical = false;
}
else if (TargetHost is ToolWell)
{
CanDockTarget = false;
CanSplitHorizontal = CanSplitVertical = CanDropCenter = isAllTools;
}
else
{
CanDockTarget = CanSplitHorizontal = CanSplitVertical = CanDropCenter = false;
}
DockTargetButton.UpdateCursor();
UpdateHighlightPath(args.SourceItems, args.TabItem);
}
public void SetTargetParams(TargetArgs args)
{
Panel.Visibility = Visibility.Visible;
Panel.AlignToTarget(args);
}
