/// <summary>
/// Whenever the View is unloaded, we want to cancel any edit operation
/// that is in progress.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UserControl_Unloaded(object sender, RoutedEventArgs e)
{
logger.Debug("UserControl unloading.");
if (IsInEditMode)
{
logger.Debug("IsInEditMode is true during unload. Canceling edit.");
((IEditableCollectionView)_departmentClassesView).CancelEdit();
ClassesDataGrid.CancelEdit();
IsInEditMode = false;
}
}
/// <summary>
/// The constructor for the ClassesView. Wires up all the necessary
/// objects and events needed by this View.
/// </summary>
/// <param name="presenter"></param>
/// <param name="eventAggregator"></param>
/// <param name="configurationService"></param>
public ClassesView(ClassesPresenter presenter, IEventAggregator eventAggregator,
IConfigurationService configurationService) : this()
{
_presenter = presenter;
_presenter.View = this;
_eventAggregator = eventAggregator;
_configurationService = configurationService;
logger.Debug("Subscribing to ShellRefreshRequestedEvent.");
ShellRefreshRequestedEvent shellRefreshRequestedEvent = _eventAggregator.GetEvent <ShellRefreshRequestedEvent>();
shellRefreshRequestedEvent.Subscribe(OnShellRefreshRequested, ThreadOption.UIThread);
// Hook into the CanExecuteEvent of the DataGrid so that we can look for
// when user tries to Delete
ClassesDataGrid.AddHandler(CommandManager.CanExecuteEvent,
new CanExecuteRoutedEventHandler(OnCanExecuteRoutedEventHandler), true);
}
