/// <summary>
/// Gets a copy of the Collection containing all changes made to it
/// since it was last loaded, or since ItemList.AcceptChanges()
/// was called, filtered by itemState.
/// </summary>
/// <typeparam name="BaseItem"></typeparam>
/// <param name="list"></param>
/// <param name="itemState"></param>
/// <returns></returns>
public static CustomList <BaseItem> GetChanges(this CustomList <BaseItem> list, ItemState itemState)
{
return(list.FindAll(item => item.State.Equals(itemState)));
}
/// <summary>
/// Gets a copy of the Collection that contains all changes made to
/// it since it was loaded or ItemList.AcceptChanges() was last
/// called.
/// </summary>
/// <typeparam name="BaseItem"></typeparam>
/// <param name="list"></param>
/// <returns></returns>
public static CustomList <BaseItem> GetChanges(this CustomList <BaseItem> list)
{
return(list.FindAll(item => item.IsAdded ||
item.IsModified ||
item.IsDeleted));
}
/// <summary>
/// Gets a copy of the Collection containing all changes made to it
/// since it was last loaded, or since ItemList.AcceptChanges()
/// was called, filtered by itemState.
/// </summary>
/// <typeparam name="List<T>"></typeparam>
/// <param name="list"></param>
/// <param name="itemState"></param>
/// <returns></returns>
public static CustomList <T> GetChanges <T>(this CustomList <T> list, ItemState itemState)
{
return(list.FindAll(PredicateBuilder.Build <T>("item.State == ASL.DATA;.ItemState." + itemState.ToString() + "")));
}
/// <summary>
/// Clones the structure of the ItemList, including all Collection
/// schemas and constraints.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list"></param>
/// <returns></returns>
public static CustomList <T> Clone <T>(this CustomList <T> list)
{
return(new CustomList <T>());
}
/// <summary>
/// Gets a copy of the Collection that contains all changes made to
/// it since it was loaded or ItemList.AcceptChanges() was last
/// called.
/// </summary>
/// <typeparam name="List<T>"></typeparam>
/// <param name="list"></param>
/// <returns></returns>
public static CustomList <T> GetChanges <T>(this CustomList <T> list)
{
return(list.FindAll(PredicateBuilder.Build <T>("item.IsAdded || item.IsModified || item.IsDeleted")));
}