private void ChangeStatus()
{
switch (this._installer.Status)
{
case Status.Preparing:
this.CanClose = true;
this.Content = new PreparationViewModel();
break;
case Status.Detected:
this.CanClose = true;
this.Content = new ConfirmationViewModel(this._installer.Operation)
{
ClickAction = () => this._installer.Start(),
};
break;
case Status.Planning:
case Status.Applying:
this.CanClose = false;
if (this.Content is ProgressViewModel) break;
this.Content = new ProgressViewModel(this._installer.Operation);
break;
case Status.Completed:
this.CanClose = true;
if (this._installer.Result != null && this._installer.Result.Value.IsSucceeded)
{
var content = new CompletionViewModel(this._installer.Operation, this._installer.Result.Value);
switch (this._installer.Operation)
{
case Operation.Install:
case Operation.Upgrade:
content.ClickAction = () =>
{
Launcher.Launch();
this.Close();
};
break;
case Operation.Uninstall:
content.ClickAction = () => this.Close();
break;
}
this.Content = content;
break;
}
goto default;
default:
this.CanClose = true;
this.Content = new ErrorViewModel();
break;
}
}
protected override void CloseCanceledCallbackCore()
{
base.CloseCanceledCallbackCore();
var current = this.Content;
var cancel = new CancellationViewModel(current);
cancel.CancelCancellationAction = () => this.Content = cancel.Fallback;
cancel.PerformCancellationAction = () => this._installer.Cancel();
this.Content = cancel;
}
protected void Transition(ViewModel viewModel, Type windowType, TransitionMode mode, bool isOwned)
{
var message = new TransitionMessage(windowType, viewModel, mode, isOwned ? "Window.Transition.Child" : "Window.Transition");
this.Messenger.Raise(message);
}
/// <summary>
/// 現在のウィンドウから、指定したウィンドウに <see cref="TransitionMode.NewOrActive"/> で遷移します。
/// </summary>
public void Transition(ViewModel viewModel, Type windowType)
{
this.Transition(viewModel, windowType, TransitionMode.NewOrActive, false);
}
/// <summary>
/// 現在のウィンドウでダイアログを表示します。
/// </summary>
public void Dialog(ViewModel viewModel, Type windowType)
{
this.Transition(viewModel, windowType, TransitionMode.Modal, true);
}