public void Edit(string key, ClientSettings settings)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
// Edit is only called after a client setup dialog
// has returned. At this point the client name
// has already been validated. Just make sure we
// have a value here.
Debug.Assert(!String.IsNullOrEmpty(settings.Name));
IClient client;
ClientEditedEventArgs e;
_syncLock.EnterWriteLock();
try
{
bool keyChanged = key != settings.Name;
if (keyChanged && _clientDictionary.ContainsKey(settings.Name))
{
// would like to eventually use the exact same
// exception message that would be used by
// the inner dictionary object.
throw new ArgumentException("An element with the same key already exists.");
}
client = _clientDictionary[key];
string existingName = client.Settings.Name;
string existingPath = client.Settings.DataPath();
client.SlotsChanged -= OnInvalidate;
client.RetrievalFinished -= OnInvalidate;
// update the settings
client.Settings = settings;
// if the key changed the client object needs removed and readded with the correct key
if (keyChanged)
{
_clientDictionary.Remove(key);
_clientDictionary.Add(settings.Name, client);
}
client.SlotsChanged += OnInvalidate;
client.RetrievalFinished += OnInvalidate;
if (settings.IsFahClient() || settings.IsLegacy())
{
e = new ClientEditedEventArgs(existingName, settings.Name, existingPath, settings.DataPath());
}
else
{
// no External support yet
throw new InvalidOperationException("Client type is not supported.");
}
}
finally
{
_syncLock.ExitWriteLock();
}
IsDirty = true;
OnClientEdited(e);
OnDictionaryChanged(new ConfigurationChangedEventArgs(ConfigurationChangedType.Edit, client));
}