/// <summary>Initializes the view model and registers events so that the OnLoaded and OnUnloaded methods are called.
/// This method must be called in the constructor after the <see cref="InitializeComponent"/> method call. </summary>
/// <param name="viewModel">The view model. </param>
/// <param name="view">The view. </param>
public static void RegisterViewModel(ViewModelBase viewModel, FrameworkElement view)
{
viewModel.Initialize();
view.Loaded += (sender, args) => viewModel.CallOnLoaded();
view.Unloaded += (sender, args) => viewModel.CallOnUnloaded();
}
/// <summary>Binds the <see cref="ViewModelBase.IsLoading"/> property of the view model to
/// the progress bar visibility of the status bar (Windows Phone only). </summary>
/// <param name="viewModel">The view model. </param>
public static void BindViewModelToStatusBarProgress(ViewModelBase viewModel)
{
var type = Type.GetType(
"Windows.UI.ViewManagement.StatusBar, " +
"Windows, Version=255.255.255.255, Culture=neutral, " +
"PublicKeyToken=null, ContentType=WindowsRuntime");
var method = type.GetTypeInfo().GetDeclaredMethod("GetForCurrentView");
viewModel.PropertyChanged += (sender, args) =>
{
if (args.IsProperty<ViewModelBase>(i => i.IsLoading))
{
if (viewModel.IsLoading)
{
dynamic statusBar = method.Invoke(null, null);
statusBar.ProgressIndicator.ShowAsync();
}
else
{
dynamic statusBar = method.Invoke(null, null);
statusBar.ProgressIndicator.HideAsync();
}
}
};
}
/// <summary>Initializes the view model and registers events so that the OnLoaded and OnUnloaded methods are called.
/// This method must be called in the constructor after the <see cref="InitializeComponent"/> method call. </summary>
/// <param name="viewModel">The view model. </param>
/// <param name="view">The view. </param>
/// <param name="registerForStateHandling">Registers the view model also for state handling
/// The view model has to implement <see cref="IStateHandlingViewModel"/> and the view must be a <see cref="MtPage"/>. </param>
public static void RegisterViewModel(ViewModelBase viewModel, FrameworkElement view, bool registerForStateHandling)
{
viewModel.Initialize();
view.Loaded += (sender, args) => viewModel.CallOnLoaded();
view.Unloaded += (sender, args) => viewModel.CallOnUnloaded();
RegisterViewModelForStateHandling((IStateHandlingViewModel) viewModel, (MtPage) view);
}
/// <summary>Initializes the view model and registers events so that the OnLoaded and OnUnloaded methods are called.
/// This method must be called in the constructor after the <see cref="InitializeComponent"/> method call. </summary>
/// <param name="viewModel">The view model. </param>
/// <param name="registerForStateHandling">Registers the view model also for state handling
/// The view model has to implement <see cref="IStateHandlingViewModel"/> and the view must be a <see cref="MtPage"/>. </param>
public void RegisterViewModel(ViewModelBase viewModel, bool registerForStateHandling = true)
{
ViewModelHelper.RegisterViewModel(viewModel, this, registerForStateHandling);
}
/// <summary>Binds the <see cref="ViewModelBase.IsLoading"/> property of the view model to
/// the progress bar visibility of the status bar (Windows Phone only). </summary>
/// <param name="viewModel">The view model. </param>
public void BindViewModelToStatusBarProgress(ViewModelBase viewModel)
{
ViewModelHelper.BindViewModelToStatusBarProgress(viewModel);
}
