/// <summary>
/// Fired when the SelectedItem changes.
/// </summary>
/// <param name="d">The sender</param>
/// <param name="e">The event args</param>
/// <remarks>
/// Sets up animations for the DetailsPresenter for animating in/out.
/// </remarks>
private static void OnSelectedItemChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MasterDetailsView view = (MasterDetailsView)d;
// Prevent setting the SelectedItem to null if only the order changed (=> collection reset got triggered).
if (!view.ignoreClearSelectedItem && !(e.OldValue is null) && e.NewValue is null && view.Items.Contains(e.OldValue))
{
view.SelectedItem = e.OldValue;
return;
}
view.OnSelectionChanged(new SelectionChangedEventArgs(new List <object> {
e.OldValue
}, new List <object> {
e.NewValue
}));
view.UpdateView(true);
// If there is no selection, do not remove the DetailsPresenter content but let it animate out.
if (view.SelectedItem != null)
{
view.SetDetailsContent();
}
}
/// <summary>
/// Fired when the MasterCommandBar changes.
/// </summary>
/// <param name="d">The sender</param>
/// <param name="e">The event args</param>
private static void OnMasterCommandBarChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MasterDetailsView view = (MasterDetailsView)d;
view.OnMasterCommandBarChanged();
}
private static void OnBackButtonBehaviorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MasterDetailsView view = (MasterDetailsView)d;
view.SetBackButtonVisibility();
}
/// <summary>
/// Fired when the <see cref="MasterHeader"/> is changed.
/// </summary>
/// <param name="d">The sender</param>
/// <param name="e">The event args</param>
private static void OnMasterHeaderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MasterDetailsView view = (MasterDetailsView)d;
view.SetMasterHeaderVisibility();
}