public void Get_list_typeparam()
{
var list = new List <DateTime>();
var type = ReflectionMethods.GetEnumerableItemType(list.GetType());
Assert.AreEqual(typeof(DateTime), type);
}
protected override void OnExecute(UIMessageContext ctx)
{
var r = ctx.Get <EditCollectionRequest>();
if (r == null)
{
return;
}
var pair = Surface[r.WidgetId];
var prop = pair?.VisualElement.GetRefProperties(r.Path).FirstOrDefault();
var target = prop?.GetTargetObject();
if (target == null)
{
return;
}
var successful = false;
var message = string.Empty;
if (target.IsKindOf(typeof(IList <>)))
{
var colType = target.GetType();
if (colType == null)
{
return;
}
var itemType = ReflectionMethods.GetEnumerableItemType(colType);
if (itemType == null)
{
return;
}
if (r.Type == EditCollectionType.Delete)
{
try
{
var index = ReflectionMethods.GetIndexerValue(r.Path.Last());
if (index == null || index < 0)
{
return;
}
colType.GetMethod("RemoveAt").Invoke(target, new[] { (object)index.Value });
successful = true;
}
catch (Exception e)
{
message = e.Message;
successful = false;
}
}
if (r.Type == EditCollectionType.Add)
{
try
{
object newItem;
if (colType.GetTypeInfo().IsGenericTypeDefinition)
{
newItem = Activator.CreateInstance(colType.MakeGenericType(itemType));
}
else
{
newItem = Activator.CreateInstance(itemType);
}
colType.GetMethod("Add").Invoke(target, new[] { newItem });
successful = true;
}
catch (Exception e)
{
message = e.Message;
successful = false;
}
}
}
ctx.SetResponse <EditCollectionResponse>(c =>
{
if (successful)
{
c.Suggest <GetWidgetPropertiesRequest>();
}
c.WidgetId = r.WidgetId;
c.Type = r.Type;
c.Successful = successful;
c.Message = message;
});
}