// TODO: add support for user-friendly ordering ([IDNameObjectMethodAttribute(Name="Order")])
// multiselect list from in-memory collection
public static MultiSelectList ToMultiSelectList <TEntity>(this ICollection <TEntity> selectedList, Func <TEntity, object> customOrderBySelectorFunc = null)
where TEntity : class
{
var orderedList = ((customOrderBySelectorFunc == null) ? selectedList.DefaultOrder() : selectedList.OrderBy(customOrderBySelectorFunc)).ToList();
var ids = orderedList.ToIDList();
return(MultiSelectListManager <TEntity> .FromList(orderedList, ids));
}
// selectedOnly == true - list of selected items only (selectedIDlist)
// otherwise - list of all items from the set
public static async Task <MultiSelectList> ToMultiSelectListAsync <TEntity>(this IQueryable <TEntity> set, IList selectedIDlist, bool selectedOnly, Expression <Func <TEntity, object> > customOrderBySelector = null)
where TEntity : class
{
IList ids = (selectedOnly) ? selectedIDlist : null;
if (IDNameObjectType <TEntity> .IsSimplifiable)
{
var list = await MultiSelectListManager <TEntity> .SimpleINOQuery(set, ids, customOrderBySelector).ToEntityListAsync();
return(MultiSelectListManager <SimpleIDNameObject> .FromList(list, selectedIDlist));
}
else
{
var list = await MultiSelectListManager <TEntity> .Query(set, ids, customOrderBySelector).ToEntityListAsync();
return(MultiSelectListManager <TEntity> .FromList(list, selectedIDlist));
}
}