/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="messageHandler"></param>
public void RegisterMailBox(string id, MailBoxMessageHandler messageHandler)
{
if (!_mailBox.ContainsKey(id))
{
_mailBox[id] = messageHandler;
}
}
/// <summary>
/// Send a message from a view module to another view module.
/// </summary>
/// <param name="viewModuleId">Identifier of the view model</param>
/// <param name="payLoad">Message to be sent directly to the view model</param>
public void SendMessage(string viewModuleId, DataPayLoad payLoad)
{
if (_mailBox.ContainsKey(viewModuleId))
{
MailBoxMessageHandler messageHandler = _mailBox[viewModuleId];
messageHandler?.Invoke(payLoad);
}
else
{
if (payLoad.PayloadType == DataPayLoad.Type.Delete)
{
NotifyObserverSubsystem(viewModuleId, payLoad);
return;
}
if (payLoad.PrimaryKeyValue == null)
{
NotifyObserverSubsystem(viewModuleId, payLoad);
return;
}
// second chance
string primaryKeyValue = viewModuleId + "." + payLoad.PrimaryKeyValue;
if (_mailBox.ContainsKey(primaryKeyValue))
{
MailBoxMessageHandler messageHandler = _mailBox[primaryKeyValue];
messageHandler?.Invoke(payLoad);
}
}
}
public void RegisterMailBox(string id, MailBoxMessageHandler messageHandler)
{
throw new NotImplementedException();
}
public void RegisterMailBox(string id, MailBoxMessageHandler messageHandler)
{
}
