void IBindingList.RemoveSort()
{
EntityList <T> list = InnerList as EntityList <T>;
if (list == null || list.Count < 1)
{
return;
}
FieldItem fi = Factory.Fields[0];
Boolean isDesc = false;
foreach (FieldItem item in Factory.Fields)
{
if (item.IsIdentity)
{
fi = item;
isDesc = true;
break;
}
else if (item.PrimaryKey)
{
fi = item;
isDesc = false;
break;
}
}
list.Sort(Factory.Fields[0].Name, isDesc);
IsSorted = false;
SortProperty = null;
SortDirection = ListSortDirection.Ascending;
OnListChanged(ResetEventArgs);
}
void IBindingListView.ApplySort(ListSortDescriptionCollection sorts)
{
if (sorts == null || sorts.Count < 1)
{
return;
}
EntityList <T> list = InnerList as EntityList <T>;
if (list == null || list.Count < 1)
{
return;
}
List <String> ns = new List <string>();
List <Boolean> ds = new List <bool>();
foreach (ListSortDescription item in sorts)
{
ns.Add(item.PropertyDescriptor.Name);
ds.Add(item.SortDirection == ListSortDirection.Descending);
}
list.Sort(ns.ToArray(), ds.ToArray());
SortDescriptions = sorts;
OnListChanged(ResetEventArgs);
}
void IBindingList.ApplySort(PropertyDescriptor property, ListSortDirection direction)
{
EntityList <T> list = InnerList as EntityList <T>;
if (list == null || list.Count < 1)
{
return;
}
list.Sort(property.Name, direction == ListSortDirection.Descending);
IsSorted = true;
SortProperty = property;
SortDirection = direction;
OnListChanged(ResetEventArgs);
}
