private async Task ExecuteFunction(ObjectProxy instance, MethodInfo method, string methodName)
{
var parameters = method.GetParameters();
var parameterValueStores = parameters
.Select(p => new SelfcontainedValueStore
{
Identifier = p.GetCustomAttribute <TitleAttribute>()?.Title ?? ObjectDisplay.Nicely(p),
Value =
((p.Attributes & ParameterAttributes.HasDefault) == ParameterAttributes.HasDefault) ? p.DefaultValue
: p.ParameterType == typeof(DateTime) ? (object)DateTime.Today
: null,
ValueType = p.ParameterType,
CustomView = p.GetCustomAttribute <CustomViewAttribute>()?.ResourceKey,
}).ToList <IValueStore>();
var parameterValueStoresWithoutObservableCollections = parameterValueStores
.Where(vs => IsObservableCollection(vs.ValueType) == false)
.ToList();
var propertiesViewModels = PropertiesViewModels.Of(parameterValueStoresWithoutObservableCollections, _Objects);
if (parameterValueStoresWithoutObservableCollections.Any())
{
MethodInvocationTitle = methodName;
MethodInvocationParameters = propertiesViewModels;
MethodInvocationContinuation = new Command(async() => await InvokeMethod(instance, method, parameterValueStores));
ShowMethodInvocationDialog(parameterValueStoresWithoutObservableCollections);
}
else
{
await InvokeMethod(instance, method, parameterValueStores);
}
}
IEnumerable <Tuple <string, Symbol, Command> > GetFunctions(ObjectProxy instance, MethodInfo[] methods)
{
return(from m in methods
where m.DeclaringType != typeof(object)
where m.IsSpecialName == false
where m.Name != "ToString"
select Tuple.Create(
m.GetCustomAttribute <TitleAttribute>()?.Title ?? ObjectDisplay.Nicely(m),
m.GetCustomAttribute <IconAttribute>()?.Icon ?? Symbol.Placeholder,
new Command(async() =>
{
var methodName = m.GetCustomAttribute <TitleAttribute>()?.Title ?? ObjectDisplay.Nicely(m);
var requireConfirmation = m.GetCustomAttribute <RequiresConfirmationAttribute>() != null;
if (requireConfirmation)
{
await Show.Message(methodName + "?", onYes: async() =>
{
await ExecuteFunction(instance, m, methodName);
});
}
else
{
await ExecuteFunction(instance, m, methodName);
}
})));
}
private void UpdateMenu(ObservableCollection <Type> types)
{
MenuItems.Clear();
foreach (var type in types)
{
var menuItemVM = new MenuItemViewModel
{
Label = type.GetTypeInfo().GetCustomAttribute <TitleAttribute>()?.Title ?? ObjectDisplay.Nicely(type),
Symbol = type.GetTypeInfo().GetCustomAttribute <IconAttribute>()?.Icon ?? Symbol.Placeholder,
Tag = type
};
MenuItems.Add(menuItemVM);
}
}