/// <summary>
/// Gets group with required groupName or creates new group which is immediately added to the persistence.
/// </summary>
/// <param name="persistence">Not null persistence, where to search for groups</param>
/// <param name="groupName">Name of the group to search in persistence.</param>
/// <returns>Not null value of Group obtained from persistence or newly created group</returns>
internal static IGroup GetOrAddNewGroup(IPersistence persistence, string groupName)
{
IGroups groups = persistence.Groups;
IGroup group = groups[groupName];
if (group == null)
{
group = persistence.Factory.CreateGroup(groupName);
groups.Add(group);
}
return(group);
}
public void AddNewInvoice()
{
InvoiceGroup newGroup = new InvoiceGroup();
newGroup.DefaultBillFilePath = (string)AccessSettings.GetValue("DefaultBillPath");
if (DB.OracleSession == null)
{
return;
}
newGroup.ChangedBy = DB.OracleSession.UserName;
if (IGroups == null)
{
IGroups = new ObservableCollection <InvoiceGroup>();
}
IGroups.Add(newGroup);
CurrentGroupItem = newGroup;
AddWeakEventListener(CurrentGroupItem, IGroupListener);
// Make it dirty
CurrentGroupItem.Description = "Please fill out the description";
}