public IList <Category> LoadRange(int startIndex, int count, SortDescriptionCollection sortDescriptions, out int overallCount)
{
var retVal = new List <Category>();
using (var repository = _repositoryFactory.GetRepositoryInstance())
{
var query = repository.Categories.Expand("Catalog").OfType <Category>();
if (!String.IsNullOrEmpty(SearchName))
{
query = query.Where(x => x.Name.Contains(SearchName));
}
if (!String.IsNullOrEmpty(SearchCode))
{
query = query.Where(x => x.Code.Contains(SearchCode));
}
if (!String.IsNullOrEmpty(SearchCatalogId))
{
query = query.Where(x => x.CatalogId == SearchCatalogId);
}
else if (SearchModifier.HasFlag(SearchCategoryModifier.RealCatalogsOnly))
{
query = query.Where(x => x.Catalog is catalogModel.Catalog);
}
overallCount = query.Count();
var results = query.OrderBy(x => x.CatalogId).Skip(startIndex).Take(count);
retVal.AddRange(results);
}
return(retVal);
}
public void InitializeForOpen()
{
CanChangeSearchCatalog = SearchModifier.HasFlag(SearchCategoryModifier.UserCanChangeSearchCatalog) ||
(!(_catalogInfo is CatalogBase) && string.IsNullOrEmpty(_catalogInfo as string));
if (_catalogInfo is CatalogBase && !CanChangeSearchCatalog)
{
AvailableCatalogs = new List <CatalogBase> {
(CatalogBase)_catalogInfo
};
SearchCatalogId = AvailableCatalogs[0].CatalogId;
}
else
{
if (_catalogInfo is CatalogBase)
{
SearchCatalogId = ((CatalogBase)_catalogInfo).CatalogId;
}
else if (!string.IsNullOrEmpty(_catalogInfo as string))
{
SearchCatalogId = (string)_catalogInfo;
}
using (var repository = _repositoryFactory.GetRepositoryInstance())
{
var query = repository.Catalogs;
if (!string.IsNullOrEmpty(SearchCatalogId) && !CanChangeSearchCatalog)
{
query = query.Where(x => x.CatalogId == SearchCatalogId);
}
else
{
if (SearchModifier.HasFlag(SearchCategoryModifier.RealCatalogsOnly))
{
query = query.OfType <catalogModel.Catalog>();
}
query = query.OrderBy(x => x.Name);
}
AvailableCatalogs = query.ToList();
}
}
SearchCommand = new DelegateCommand(DoSearch);
ClearFiltersCommand = new DelegateCommand(DoClearFilters);
SelectCommand = new DelegateCommand <Category>(RaiseSelectInteractionRequest);
ListItemsSource = new VirtualList <Category>(this, 20, SynchronizationContext.Current);
}
