public IDisposable AddAppBar(ReactiveAppBar appbar)
{
if (appbar == null)
{
throw new ArgumentNullException("appbar");
}
grid.Children.Add(appbar);
this.Log().Info("Appbar {0} added.", appbar.GetHashCode());
IDisposable dismiss = appbar.Opened.Merge(appbar.Closed).Subscribe(x => UpdateDismissLayerInteraction());
return Disposable.Create(() =>
{
dismiss.Dispose();
grid.Children.Remove(appbar);
this.Log().Info("Appbar {0} removed.", appbar.GetHashCode());
UpdateDismissLayerInteraction();
});
}
/// <summary>
/// Called when the TopAppBar is changed.
/// </summary>
protected virtual void OnTopAppBarChanged(ReactiveAppBar oldTopAppBar, ReactiveAppBar newTopAppBar)
{
topAppBarDisposable.Dispose();
if (oldTopAppBar != null)
{
oldTopAppBar.DataContext = null;
}
if (newTopAppBar != null)
{
newTopAppBar.PlacementMode = PlacementMode.Top;
newTopAppBar.HorizontalAlignment = HorizontalAlignment.Stretch;
newTopAppBar.VerticalAlignment = VerticalAlignment.Top;
if (newTopAppBar.DataContext == null)
{
newTopAppBar.SetBinding(ReactiveAppBar.DataContextProperty, dataContextBinding);
}
if (areAppBarsregistered)
{
topAppBarDisposable = ReactiveAppBarManager.Instance.AddAppBar(newTopAppBar);
}
}
}