public static IViewModelResolver IfDerivedFrom(this IViewModelResolver @this, Type genericInterfaceType, Action <FrameworkElement, object, IGenericInterface> configuration)
{
Guards.ThrowIfNull(@this, configuration);
return(@this.IfDerivedFrom <FrameworkElement>(
genericInterfaceType,
(view, viewModel, interfaceInstance, container) => configuration(view, viewModel, interfaceInstance)));
}
public static IViewModelResolver IfDerivedFrom <TViewModel>(this IViewModelResolver @this, Action <FrameworkElement, TViewModel, IContainerProvider> configuration)
{
Guards.ThrowIfNull(@this, configuration);
return(@this.IfDerivedFrom(configuration));
}
public static IViewModelResolver UseTabItemSelectionChangedAware(this IViewModelResolver @this) => @this
.IfDerivedFrom <ITabItemSelectionChangedAware>((view, viewModel) =>
{
TabControlHelper.SetNotifySelectionChanged(view, true);
});
public static IViewModelResolver IfDerivedFrom <TViewModel>(this IViewModelResolver @this, Action <FrameworkElement, TViewModel> configuration)
{
Guards.ThrowIfNull(@this, configuration);
return(@this.IfDerivedFrom <FrameworkElement, TViewModel>((view, viewModel, container) => configuration(view, viewModel)));
}
public static IViewModelResolver UseViewLoadedAndUnloadedAware(this IViewModelResolver @this) => @this
.IfDerivedFrom <IViewLoadedAndUnloadedAware>((view, viewModel) =>
{
view.Loaded += (sender, e) => viewModel.OnLoaded();
view.Unloaded += (sender, e) => viewModel.OnUnloaded();
})
.IfDerivedFrom(typeof(IViewLoadedAndUnloadedAware <>), (view, viewModel, interfaceInstance) =>
{
var viewType = view.GetType();
var viewTypeFromInterface = interfaceInstance.GenericArguments.Single();
if (viewTypeFromInterface != viewType)
{
throw new InvalidOperationException(
$"The type of the view is {viewType}, " +
$"but the IViewLoadedAndUnloadedAware<{viewTypeFromInterface.Name}> tried to " +
$"extract an instance of the {viewTypeFromInterface} type. ");
}
var onLoadedMethod = interfaceInstance.GetMethod <Action <object> >("OnLoaded", viewType);
var onUnloadedMethod = interfaceInstance.GetMethod <Action <object> >("OnUnloaded", viewType);
view.Loaded += (sender, args) => onLoadedMethod(sender);
view.Unloaded += (sender, args) => onUnloadedMethod(sender);
});