/// <summary>
/// Updates state when view changed visibility.
/// </summary>
private void _VisibileStateChanged(object sender, EventArgs e)
{
if (this.IsVisible)
{
if (null != _schedulePage)
{
_UpdateState();
_SubscribeEvents();
}
// Update UI locked/unlocked.
_CheckLocked();
}
else
{
CancelNewObject();
SaveEditedItem();
_UnsubscribeEvents();
_handler = null;
_collectionSource.Source = null;
}
}
/// <summary>
/// Updates state.
/// </summary>
private void _UpdateState()
{
_handler = null;
_collectionSource.Source = null;
if (GridItemsSourceChanging != null)
GridItemsSourceChanging(this, EventArgs.Empty);
if (null != _schedulePage.CurrentSchedule)
{
_collectionSource.Source =
new AppData.SortedDataObjectCollection<Route>(_schedulePage.CurrentSchedule.Routes, new RoutesComparer());
_handler = new RoutesListViewContextHandler(_schedulePage);
if (GridItemsSourceChanged != null)
GridItemsSourceChanged(this, EventArgs.Empty);
}
_ChangeCommandButtonsSet();
}