/// <summary>
/// Invoked when a new <see cref="ContentPane"/> has been created and needs to be added to the appropriate target collection.
/// </summary>
/// <param name="pane">The pane that was created and needs to be added to the appropriate collection</param>
protected virtual void AddPane(ContentPane pane)
{
DocumentContentHost host = _target as DocumentContentHost;
if (host != null)
{
ContentPane sibling = GetSiblingDocument();
TabGroupPane tgp = null;
if (sibling != null)
{
tgp = LogicalTreeHelper.GetParent(sibling) as TabGroupPane;
Debug.Assert(null != tgp, "Expected all documents to be within a tab group pane.");
}
if (null == tgp)
{
SplitPane sp = new SplitPane();
tgp = new TabGroupPane {
Name = "Z" + Guid.NewGuid().ToString("N")
};
sp.Panes.Add(tgp);
DocumentContentHost dch = host;
dch.Panes.Add(sp);
}
tgp.Items.Add(pane);
RaiseInitializeContentPane(pane);
}
else
{
IList targetCollection = null;
Debug.Assert(_target == null || !string.IsNullOrEmpty((string)_target.GetValue(FrameworkElement.NameProperty)),
"The Name should be set so the container will not be removed when all the panes have been moved elsewhere. Otherwise new panes may not be displayed.");
SplitPane splitPane = _target as SplitPane;
if (splitPane != null)
{
targetCollection = splitPane.Panes;
}
else
{
TabGroupPane target = _target as TabGroupPane;
if (target != null)
{
targetCollection = target.Items;
}
}
if (null != targetCollection)
{
targetCollection.Add(pane);
RaiseInitializeContentPane(pane);
}
}
}
private ContentPane GetSiblingDocument()
{
DocumentContentHost dch = _target as DocumentContentHost;
if (dch == null)
{
return(null);
}
if (null != dch.ActiveDocument)
{
return(dch.ActiveDocument);
}
XamDockManager dm = XamDockManager.GetDockManager(dch);
if (dm == null)
{
return(null);
}
ContentPane firstDocument = null;
foreach (ContentPane cp in dm.GetPanes(PaneNavigationOrder.VisibleOrder))
{
if (cp.PaneLocation != PaneLocation.Document)
{
continue;
}
if (firstDocument == null)
{
firstDocument = cp;
}
if (cp.Visibility != Visibility.Visible)
{
continue;
}
return(cp);
}
return(firstDocument);
}