/// <summary>
/// Método usado para converter o loader.
/// </summary>
/// <param name="loader"></param>
/// <returns></returns>
private static VirtualListLoader <DataWrapper <T> > ConverterLoader(VirtualListLoader <T> loader)
{
return(VirtualListLoader <DataWrapper <T> > .Create((sender, e) => {
var result = loader.Load((IObservableCollection)sender, e.StartRow, e.PageSize, e.NeedItemsCount, e.ReferenceObject);
if (result.Error != null)
{
return new VirtualListLoaderResult <DataWrapper <T> >(result.Error);
}
IEnumerable <DataWrapper <T> > items = result.Items != null ? result.Items.Select(f => new DataWrapper <T>(0, f)) : null;
if (result.UpdateCount)
{
return new VirtualListLoaderResult <DataWrapper <T> >(items, result.NewCount);
}
return new VirtualListLoaderResult <DataWrapper <T> >(items);
}));
}
/// <summary>
/// Método usado para converter o loader.
/// </summary>
/// <param name="loader"></param>
/// <returns></returns>
private static VirtualListLoader <DataWrapper <T> > ConverterLoader(VirtualListLoaderHandler <T> loader)
{
return(VirtualListLoader <DataWrapper <T> > .Create((sender, e) => {
var result = loader(sender, e);
if (result.Error != null)
{
return new VirtualListLoaderResult <DataWrapper <T> >(result.Error);
}
IEnumerable <DataWrapper <T> > items = result.Items != null ? result.Items.Select(f => new DataWrapper <T>(0, f)) : null;
if (result.UpdateCount)
{
return new VirtualListLoaderResult <DataWrapper <T> >(items, result.NewCount);
}
return new VirtualListLoaderResult <DataWrapper <T> >(items);
}));
}
public VirtualList(int pageSize, VirtualListLoaderHandler <T> loader, object referenceObject) : this(pageSize, VirtualListLoader <T> .Create(loader), referenceObject)
{
}