protected virtual void DisposeManagedResources()
{
if (_model != null)
{
_model.Dispose();
_model.Cleanup();
_model = null;
}
}
protected virtual void DisposeManagedResources()
{
if (_model != null)
{
_model.Dispose();
_model.Cleanup();
_model = null;
}
Dispatcher.ShutdownStarted -= Dispatcher_ShutdownStarted;
}
/// <summary>
/// Handles the NotifyCollectionChangedEventArgs event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The event.</param>
/// <param name="region">The region.</param>
/// <param name="regionTarget">The region target.</param>
void OnViewsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e, IRegion region, DockingManager regionTarget)
{
if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (var eOldItem in e.OldItems)
{
var disposables = new[]
{
eOldItem as IDisposable,
(eOldItem as FrameworkElement)?.DataContext as IDisposable,
(eOldItem as ContentControl)?.Content as IDisposable,
((eOldItem as ContentControl)?.Content as FrameworkElement)?.DataContext as IDisposable
};
foreach (var disposable in disposables)
{
disposable?.Dispose();
}
}
}
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (FrameworkElement item in e.NewItems)
{
UIElement view = item;
if (view != null)
{
//Create a new layout document to be included in the LayoutDocuemntPane (defined in xaml)
LayoutDocument newLayoutDocument = new LayoutDocument();
//Set the content of the LayoutDocument
newLayoutDocument.Content = item;
newLayoutDocument.Title = (item.DataContext as ITitledItem)?.Title;
ServerMonitorModel viewModel = item.DataContext as ServerMonitorModel;
if (viewModel != null)
{
//All my viewmodels have properties DisplayName and IconKey
newLayoutDocument.Title = viewModel.CurrentServer.Name;
viewModel.OpenServer();
newLayoutDocument.Closed += (s, a) =>
{
Task.Factory.StartNew(() =>
{
viewModel.CloseServer();
viewModel.Cleanup();
});
};
}
//Store all LayoutDocuments already pertaining to the LayoutDocumentPane (defined in xaml)
List <LayoutDocument> oldLayoutDocuments = new List <LayoutDocument>();
//Get the current ILayoutDocumentPane ... Depending on the arrangement of the views this can be either
//a simple LayoutDocumentPane or a LayoutDocumentPaneGroup
ILayoutDocumentPane currentILayoutDocumentPane = (ILayoutDocumentPane)regionTarget.Layout.RootPanel.Children[0];
if (currentILayoutDocumentPane.GetType() == typeof(LayoutDocumentPaneGroup))
{
//If the current ILayoutDocumentPane turns out to be a group
//Get the children (LayoutDocuments) of the first pane
LayoutDocumentPane oldLayoutDocumentPane = (LayoutDocumentPane)currentILayoutDocumentPane.Children.ToList()[0];
foreach (LayoutDocument child in oldLayoutDocumentPane.Children)
{
oldLayoutDocuments.Insert(0, child);
}
}
else if (currentILayoutDocumentPane.GetType() == typeof(LayoutDocumentPane))
{
//If the current ILayoutDocumentPane turns out to be a simple pane
//Get the children (LayoutDocuments) of the single existing pane.
foreach (LayoutDocument child in currentILayoutDocumentPane.Children)
{
oldLayoutDocuments.Insert(0, child);
}
}
//Create a new LayoutDocumentPane and inserts your new LayoutDocument
LayoutDocumentPane newLayoutDocumentPane = new LayoutDocumentPane();
newLayoutDocumentPane.InsertChildAt(0, newLayoutDocument);
//Append to the new LayoutDocumentPane the old LayoutDocuments
foreach (LayoutDocument doc in oldLayoutDocuments)
{
newLayoutDocumentPane.InsertChildAt(0, doc);
}
//Traverse the visual tree of the xaml and replace the LayoutDocumentPane (or LayoutDocumentPaneGroup) in xaml
//with your new LayoutDocumentPane (or LayoutDocumentPaneGroup)
if (currentILayoutDocumentPane.GetType() == typeof(LayoutDocumentPane))
{
regionTarget.Layout.RootPanel.ReplaceChildAt(0, newLayoutDocumentPane);
}
else if (currentILayoutDocumentPane.GetType() == typeof(LayoutDocumentPaneGroup))
{
currentILayoutDocumentPane.ReplaceChild(currentILayoutDocumentPane.Children.ToList()[0], newLayoutDocumentPane);
regionTarget.Layout.RootPanel.ReplaceChildAt(0, currentILayoutDocumentPane);
}
newLayoutDocument.IsActive = true;
}
}
}
}