//---------------------------------------------------------------------
/// <summary>
/// Add the recipientObj - Action to the msgCode.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="who"></param>
/// <param name="actionT"></param>
/// <returns></returns>
public bool AddRecipientObjAction <T>(object who, Action <T> actionT)
{
RecipientObjAction registInstAction = new RecipientObjAction(who, typeof(T), actionT);
_listRecipientObjAction.Add(registInstAction);
return(true);
}
//---------------------------------------------------------------------
/// <summary>
/// Register a msg Code with a generic action.
/// Link/Attach a msg code to an action.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="messengerName"></param>
/// <param name="handler"></param>
/// <returns></returns>
public bool Register <T>(string msgCode, object recipient, Action <T> actionT)
{
_lastErrCode = MessengerErrCode.None;
// the syntax code must be ok
if (!IsMsgCodeSyntaxOk(msgCode))
{
_lastErrCode = MessengerErrCode.MsgCodeSyntaxWrong;
return(false);
}
if (recipient == null)
{
_lastErrCode = MessengerErrCode.RecipientObjIsNull;
return(false);
}
if (actionT == null)
{
_lastErrCode = MessengerErrCode.ActionTIsNull;
return(false);
}
// if the code is not already used, create an entry in the dict
MsgCodeListAction msgCodeListAction;
if (_dictMsgCodeListAction.ContainsKey(msgCode))
{
// msg code already exists, get it
msgCodeListAction = _dictMsgCodeListAction[msgCode];
}
else
{
// msg code not exists so create it
msgCodeListAction = new MsgCodeListAction(msgCode);
_dictMsgCodeListAction.TryAdd(msgCode, msgCodeListAction);
}
// check that the object is already registered with the code msg
RecipientObjAction regInstAction = msgCodeListAction.FindByRecipientObj(recipient);
if (regInstAction != null)
{
_lastErrCode = MessengerErrCode.RecipientAlreadyRegisteredOnCodeMsg;
return(false);
}
// add the registered inst-Action to the msgCode
msgCodeListAction.AddRecipientObjAction(recipient, actionT);
// check the registering
msgCodeListAction.FindByRecipientObj(recipient);
if (regInstAction != null)
{
_lastErrCode = MessengerErrCode.RegisterMsgCodeRecipientActionFailed;
return(false);
}
return(true);
}
//---------------------------------------------------------------------
/// <summary>
/// remove the recipient obj attached to the msgCode (only one instance).
/// </summary>
/// <param name="recipientObjAction"></param>
/// <returns></returns>
public bool RemoveRecipientObjAction(RecipientObjAction recipientObjAction)
{
if (recipientObjAction == null)
{
return(false);
}
if (!_listRecipientObjAction.Contains(recipientObjAction))
{
return(false);
}
return(_listRecipientObjAction.Remove(recipientObjAction));
//return _listRecipientObjAction.TryTake(out recipientObjAction);
}
//---------------------------------------------------------------------
/// <summary>
/// Unregistered the msgcode - recipient object, (no matter of the registered and the type).
/// </summary>
/// <param name="msgCode"></param>
/// <param name="recipient"></param>
/// <returns></returns>
public bool UnRegister(string msgCode, object recipient)
{
_lastErrCode = MessengerErrCode.None;
// the syntax code must be ok
if (!IsMsgCodeSyntaxOk(msgCode))
{
_lastErrCode = MessengerErrCode.MsgCodeSyntaxWrong;
return(false);
}
if (recipient == null)
{
_lastErrCode = MessengerErrCode.RecipientObjIsNull;
return(false);
}
// the code not exists
MsgCodeListAction msgCodeListAction;
if (!_dictMsgCodeListAction.ContainsKey(msgCode))
{
_lastErrCode = MessengerErrCode.MsgCodeNotFound;
return(false);
}
// msg code already exists, get it
msgCodeListAction = _dictMsgCodeListAction[msgCode];
// the recipient is attached to the msg code?
RecipientObjAction recipientObjAction = msgCodeListAction.FindByRecipientObj(recipient);
if (recipientObjAction == null)
{
_lastErrCode = MessengerErrCode.RecipientNotRegisteredOnCodeMsg;
return(false);
}
// remove the recipient obj attached to the msgCode (only one instance)
msgCodeListAction.RemoveRecipientObjAction(recipientObjAction);
// remove the MsgCodeListAction is the object is empty (a MsgCode with no recipient)
if (msgCodeListAction.Count == 0)
{
RemoveMsgCodeListAction(msgCodeListAction);
}
return(true);
}