Actipro-MMVM-Docking: Layout Load

gistfile1.cs

private readonly DockSiteLayoutSerializer _dockSiteLayoutSerializer;
private string _pendingDockSiteLayout;

public void Initialize()
{
    _dockSiteLayoutSerializer = new DockSiteLayoutSerializer() { SerializationBehavior = DockSiteSerializationBehavior.All };
    this.mainDockSite.Loaded += OnDockSiteLoaded;
    
    //
    // initialize dockable windows (documents and tools)
    //
    Debug.Assert(this.DocumentItems != null);
    _mainDocumentWindowsImport = mainDocumentWindowsImport;
    mainDocumentWindowsImport.ForEach(document => this.DocumentItems.Add(document.Value));

    Debug.Assert(this.ToolItems != null);
    _mainToolWindowsImport = mainToolWindowsImport;
    mainToolWindowsImport.ForEach(tool => this.ToolItems.Add(tool.Value));

    RestoreDockableWindowsLayout();
}

public void RestoreDockableWindowsLayout()
{
    if (this.mainDockSite.IsLoaded)
    {
        try
        {
            _dockSiteLayoutSerializer.LoadFromString(layout, this.mainDockSite);
        }
        catch (Exception exc)
        {
            Debug.WriteLine(exc.ToString());
        }
    }
    else
    {
        _pendingDockSiteLayout = layout;
    }
}

private void OnDockSiteLoaded(object sender, RoutedEventArgs e)
{
    DockSite dockSite = (DockSite) sender;

    if (string.IsNullOrEmpty(_pendingDockSiteLayout))
        return;

    SetDockSiteLayout(_pendingDockSiteLayout);
    _pendingDockSiteLayout = null;
}

private void OnDockSiteLoaded(object sender, RoutedEventArgs e)
{
    DockSite dockSite = (DockSite) sender;
    Debug.Assert(dockSite == this.mainDockSite);

    if (!string.IsNullOrEmpty(_pendingDockSiteLayout))
    {
        this.Dispatcher
            .BeginInvoke(
                DispatcherPriority.Render,  // just to be safe, setting the priority just after DataBind
                new Action(delegate
                               {
                                   SetDockSiteLayout(_pendingDockSiteLayout);
                                   _pendingDockSiteLayout = null;
                               }));
    }
}