public static AsyncObservableCollection <T> GetItems <T>(AsyncObservableCollection <T> collection, DummyItemType collectionType) where T : StoreItem, new()
{
AsyncObservableCollection <T> items = collection.ToCollection();
items.Sort((x, y) => x.Title.CompareTo(y.Title));
if (collectionType == DummyItemType.NoneType || collectionType == DummyItemType.AllNoneType)
{
T item = StoreItem.GetDummyItem <T>(DummyItemType.NoneType);
items.Insert(0, item);
}
if (collectionType == DummyItemType.AllType || collectionType == DummyItemType.AllNoneType)
{
T item = StoreItem.GetDummyItem <T>(DummyItemType.AllType);
items.Insert(0, item);
}
return(items);
}
//------------------------------------------------------------------------------------
/// <summary>
/// Undoes all changes that are currently queued up to be saved.
/// </summary>
//------------------------------------------------------------------------------------
public void UndoChanges()
{
AsyncObservableCollection <StoreItem> changedItems = m_changedItems.ToCollection();
changedItems.Sort((x, y) => StoreItemTypeSort.Compare(x, y));
UndoInProgress = true;
foreach (StoreItem item in changedItems)
{
if (item.IsNew)
{
m_changedItems.Remove(item);
RemoveFromCache(item);
}
else
{
item.UndoChanges();
}
}
UndoInProgress = false;
}
public static AsyncObservableCollection <T> GetItems <T>(AsyncObservableCollection <T> collection, DummyItemType collectionType, string sortPropName) where T : StoreItem, new()
{
AsyncObservableCollection <T> items = collection.ToCollection();
if (collectionType == DummyItemType.NoneType || collectionType == DummyItemType.AllNoneType)
{
T item = StoreItem.GetDummyItem <T>(DummyItemType.NoneType);
items.Add(item);
}
if (collectionType == DummyItemType.AllType || collectionType == DummyItemType.AllNoneType)
{
T item = StoreItem.GetDummyItem <T>(DummyItemType.AllType);
items.Add(item);
}
ItemPropertySort <T> itemComparer = new ItemPropertySort <T>(sortPropName, System.ComponentModel.ListSortDirection.Ascending);
items.Sort((x, y) => itemComparer.Compare(x, y));
return(items);
}
void SortMembersByDisplayName(AsyncObservableCollection <GroupMemberItem> members)
{
ItemPropertySort <GroupMemberItem> itemComparer = new ItemPropertySort <GroupMemberItem>(StringUtils.GetPropertyName((GroupMemberItem s) => s.DisplayName), System.ComponentModel.ListSortDirection.Ascending);
members.Sort((x, y) => itemComparer.Compare(x, y));
}