private static SortBy[] GetSortOrder(UserContext userContext, Folder folder)
{
ColumnId columnId = ColumnId.DeliveryTime;
SortOrder sortOrder = SortOrder.Descending;
WebPartModuleViewState webPartModuleViewState = userContext.LastClientViewState as WebPartModuleViewState;
if (webPartModuleViewState != null && folder.Id.ObjectId.Equals(webPartModuleViewState.FolderId))
{
sortOrder = webPartModuleViewState.SortOrder;
columnId = webPartModuleViewState.SortedColumn;
}
else if (!userContext.IsWebPartRequest)
{
using (UserConfiguration folderConfiguration = UserConfigurationUtilities.GetFolderConfiguration("Owa.BasicFolderOption", userContext, folder.Id))
{
if (folderConfiguration != null)
{
IDictionary dictionary = folderConfiguration.GetDictionary();
object obj = dictionary["SortColumn"];
if (obj != null)
{
columnId = ColumnIdParser.Parse((string)obj);
}
obj = dictionary["SortOrder"];
if (obj != null)
{
sortOrder = (SortOrder)obj;
}
}
}
}
if (!ListViewColumns.IsSupportedColumnId(columnId))
{
columnId = ColumnId.DeliveryTime;
}
SortBy[] result;
if (columnId == ColumnId.DeliveryTime)
{
result = new SortBy[]
{
new SortBy(ItemSchema.ReceivedTime, sortOrder)
};
}
else
{
Column column = ListViewColumns.GetColumn(columnId);
result = new SortBy[]
{
new SortBy(column[0], sortOrder),
new SortBy(ItemSchema.ReceivedTime, SortOrder.Descending)
};
}
return(result);
}