public Root()
{
InstalledWebSites = new Dictionary <string, WebSite>(StringComparer.OrdinalIgnoreCase);
UseIisExpress = IsClient();
Application.Current.SessionEnding += Current_SessionEnding;
Dispatcher = Dispatcher.CurrentDispatcher;
Tasks = new ObservableCollection <InstallerTask>();
Summary = new ObservableCollection <Summary>();
_demoDbStep = new Step(this)
{
Name = "DemoDbSettings", Caption = "Database Settings"
};
ConnectionString = new ConnectionString();
Steps = new ObservableCollection <Step>
{
new Step(this)
{
Name = "Welcome", Caption = "Welcome"
},
new Step(this, PrepareInstall)
{
Name = "SelectComponents", Caption = "Select Components"
},
new Step(this, Install)
{
Name = "Installation", Caption = "Installation"
},
new Step(this, Finished, Finishing)
{
Name = "Finished", Caption = "Finished"
}
};
CurrentStep = Steps[0];
Next = new Command(
() => new Thread(new ThreadStart(delegate
{
if (!CurrentStep.Execute())
{
Dispatcher.Invoke(new Action(() =>
{
Next.RaiseEvent();
Back.RaiseEvent();
}));
return;
}
Dispatcher.Invoke(new Action(() =>
{
CurrentStep = Steps[Steps.IndexOf(CurrentStep) + 1];
Next.RaiseEvent();
Back.RaiseEvent();
}));
})).Start(),
() => !CurrentStep.IsExecuting && CurrentStep != Steps[Steps.Count - 1]);
Back = new Command(() =>
{
CurrentStep = Steps[Steps.IndexOf(CurrentStep) - 1];
Next.RaiseEvent();
Back.RaiseEvent();
}, () => !CurrentStep.IsExecuting && CurrentStep != Steps[0]);
Cancel = new Command(() =>
{
if (ConfirmExit())
{
Application.Current.Shutdown();
}
}, () => !CurrentStep.IsExecuting);
End = new Command(() => Application.Current.Shutdown(), () => IsEnded);
Instance = this;
if (ModelSerilisation.Deserialize(this))
{
// The installer has been resumed.
// TODO: what do?
}
}
/// <inheritdoc />
protected override TOutput ExecuteSubPipeline(TInput input, PipelineContext ctx)
{
return(CurrentStep.Execute(input, ctx));
}