/// <summary>
/// Factories the wizard view model.
/// </summary>
/// <param name="args">The <see cref="WizardStepsRequestEventArgs{DataTypeModel, Guid, System.Nullable{System.Int32}}"/> instance containing the event data.</param>
/// <returns></returns>
private object FactoryWizardViewModel(WizardStepsRequestEventArgs <DataTypeModel, Guid, int?> args)
{
var wizardViewModelType = typeof(DataWizardViewModel <>).MakeGenericType(args.WizardSteps.ContextType);
var wizardViewModel = wizardViewModelType.GetConstructor(new Type[0]).Invoke(new object[0]);
wizardViewModelType.GetMethod("ProvideSteps").Invoke(wizardViewModel, new[] { args.WizardSteps });
return(wizardViewModel);
}
public DataImportWizard()
{
InitializeComponent();
Loaded += delegate
{
var eventaggregator = ServiceLocator.Current.GetInstance <IEventAggregator>();
var currentTypeModel = CurrentDataTypeModel();
var currentType = currentTypeModel.Item1;
var existingTypeId = currentTypeModel.Item2;
var provider = ServiceLocator.Current.GetInstance <IDomainSessionFactoryProvider>();
Guid wingGuid;
using (var sess = provider.SessionFactory.OpenStatelessSession())
{
wingGuid = sess.Query <Target>()
.Join(sess.Query <Wing>(), t => t.Owner.Id, w => w.Id, (t, w) => new { t, w })
.Where(@t1 => @t1.t.Name == currentType.Target.Name)
.Select(@t1 => @t1.w.WingGUID).FirstOrDefault();
}
//var id = wing.WingGUID;
var args = new WizardStepsRequestEventArgs <DataTypeModel, Guid, int?>(currentType, wingGuid, existingTypeId);
eventaggregator.GetEvent <WizardStepsRequestEvent <DataTypeModel, Guid, int?> >().Publish(args);
if (args.WizardSteps == null)
{
args.WizardSteps = new DefaultStepCollection(currentType, existingTypeId);
}
this.DataContext = FactoryWizardViewModel(args);
};
Unloaded += delegate
{
this.DataContext = null;
};
DataContextChanged += (o, e) =>
{
var wizard = e.OldValue as IWizardViewModel;
if (wizard != null)
{
wizard.Detach();
}
wizard = e.NewValue as IWizardViewModel;
if (wizard != null)
{
wizard.Attach();
}
};
}
