public void RegisterDialogDefinition(IDialogDefinition definition)
{
AssertDialogDefinition(definition);
if (RegisteredDefinitions.Any(o => o.View == definition.View ||
o.IView == definition.IView ||
o.ViewModel == definition.ViewModel ||
o.IViewModel == definition.IViewModel))
{
throw new Exception($"Error : DialogDefinition<{definition.IView.Name}, {definition.View.Name}, {definition.IViewModel.Name}, {definition.ViewModel.Name}> \n " +
$"has already been registered or the View/IView/ViewModel/IViewModel have already been registered in another definition");
}
Container.RegisterType(definition.IViewModel, definition.ViewModel);
registeredDefinitions.Add(definition);
}
private void AssertDialogDefinition(IDialogDefinition definition)
{
definition.AssertNotNull(nameof(definition));
definition.View.AssertNotNull(nameof(definition.View));
definition.IView.AssertNotNull(nameof(definition.IView));
definition.ViewModel.AssertNotNull(nameof(definition.ViewModel));
definition.IViewModel.AssertNotNull(nameof(definition.IViewModel));
if (!definition.IView.IsInterface || !typeof(IDialogWindow).IsAssignableFrom(definition.IView))
{
throw new Exception($"Error : DialogDefinition<{definition.IView.Name}, {definition.View.Name}, {definition.IViewModel.Name}, {definition.ViewModel.Name}> \n" +
$"The IView of a DialogDefinition must be an interface that extends {typeof(IDialogWindow).Name}. \n" +
$"{definition.IView.Name} does not meet this criteria.");
}
if (!definition.View.IsClass ||
definition.View.GetConstructors().Count() != 1 ||
definition.View.GetConstructors().Single().GetParameters().Count() != 0 ||
!definition.View.IsSubclassOf(typeof(DialogWindow)) ||
!definition.View.Implements(definition.IView))
{
throw new Exception($"Error : DialogDefinition<{definition.IView.Name}, {definition.View.Name}, {definition.IViewModel.Name}, {definition.ViewModel.Name}> \n" +
$"The View of a DialogDefinition must be a class that extends {typeof(DialogWindow).Name} and implements {definition.IView.Name}. \n " +
$"with a single constructor that takes no parameters. \n" +
$"{definition.View.Name} does not meet this criteria.");
}
if (!definition.IViewModel.IsInterface || !typeof(IDialogViewModel).IsAssignableFrom(definition.IViewModel))
{
throw new Exception($"Error : DialogDefinition<{definition.IView.Name}, {definition.View.Name}, {definition.IViewModel.Name}, {definition.ViewModel.Name}> \n" +
$"The IViewModel of a DialogDefinition must be an interface that extends {typeof(IDialogViewModel).Name}. \n" +
$"{definition.IViewModel.Name} does not meet this criteria.");
}
if (!definition.ViewModel.IsClass ||
!definition.ViewModel.IsSubclassOf(typeof(DialogViewModel)) ||
!definition.ViewModel.Implements(definition.IViewModel))
{
throw new Exception($"Error : DialogDefinition<{definition.IView.Name}, {definition.View.Name}, {definition.IViewModel.Name}, {definition.ViewModel.Name}> \n" +
$"The ViewModel of a DialogDefinition must be a class that extends {typeof(DialogViewModel).Name} and implements {definition.IViewModel.Name}. \n" +
$"{definition.ViewModel.Name} does not meet this criteria.");
}
}
