/// <summary>
/// Called when a loaded data model is closing.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="eventArgs">The <see cref="ClosingEventArgs"/> instance containing the event data.</param>
protected virtual void OnClosing(object sender, ClosingEventArgs eventArgs)
{
//this.FlushBindings (); ** Uncomment when we have C# 3.0 support **
Extensions.FlushBindings(this);
if (!eventArgs.Cancel && this.ViewModel.HasUnsavedChanges)
{
MessageBoxResult messageBoxResult = MessageBox.Show(this, Properties.WpfViewResources.QuerySaveMessageString, Properties.WpfViewResources.QuerySaveCaptionString, MessageBoxButton.YesNoCancel, MessageBoxImage.Question, MessageBoxResult.Yes);
if (messageBoxResult == MessageBoxResult.Cancel)
{
eventArgs.Cancel = true;
}
else if (messageBoxResult == MessageBoxResult.Yes)
{
eventArgs.Cancel = !SaveCommand <TController, TModel> .Save(this.ViewModel, this);
}
}
}
internal static bool CanExecute(ViewModel <TController, TModel> viewModel, object parameter)
{
return(SaveCommand <TController, TModel> .CanSave(viewModel));
}
internal static void Execute(ViewModel <TController, TModel> viewModel, Window owner, object parameter)
{
SaveCommand <TController, TModel> .Save(viewModel, owner, parameter as string);
}
/// <summary>
/// Saves the data model for the specified <see cref="ViewModel<TController, TModel>"/>.
/// </summary>
/// <param name="viewModel">The view model.</param>
/// <param name="owner">The owner window.</param>
/// <returns>
/// <c>true</c> if the data model is saved; otherwise, <c>false</c>.
/// </returns>
public static bool Save(ViewModel <TController, TModel> viewModel, Window owner)
{
return(SaveCommand <TController, TModel> .Save(viewModel, owner, null));
}