/// <summary>
/// Adds new user message to channel ui
/// </summary>
private void AddMessage(string messageId, string userId, string username, string content, string date, bool historical)
{
//Declaring temp variables
GameObject messagePrefab;
bool couldBeEdited;
//Checking if user who send message is local user
if (userId == NakamaSessionManager.Instance.Account.User.Id)
{
messagePrefab = _thisUserMessagePrefab;
couldBeEdited = true;
}
else
{
messagePrefab = _otherUserMessagePrefab;
couldBeEdited = false;
}
//Instantiating message object as a child of _content
GameObject messageGO = Instantiate(messagePrefab, _content) as GameObject;
//Getting ChatMessageUI component from already instantiated message
ChatMessageUI message = messageGO.GetComponent <ChatMessageUI>();
if (message)
{
//If the message is from the same user as newest we should hide his username on this message
bool hideUsername = (username == _lastMessageUsername) && !historical;
//Initializing message with given data
message.InitMessage(messageId, username, content, date, couldBeEdited, hideUsername);
//Register edit and remove methods to message eventss
message.OnEditMessageClicked += OnEditMessageClicked;
message.OnRemoveMessageClicked += OnRemoveMessageClicked;
//Adding message to messages dict
_messages.Add(messageId, message);
//Setting last
_lastMessageUsername = username;
//If message is historical change order in hierarchy, the latest historical message is the oldest
if (historical)
{
message.transform.SetSiblingIndex(1);
}
}
else
{
Debug.LogError("Invalid _thisUserMessagePrefab or _otherUserMessagePrefab! It should contains ChatMessageUI script.");
Destroy(messageGO);
return;
}
}
/// <summary>
/// Shows edit view and starts editing message
/// </summary>
/// <param name="messageId"></param>
private void OnEditMessageClicked(string messageId)
{
//If other message was edited cancel this edit
if (_editedMessage)
{
_editedMessage.Deselect();
}
//Set new edited message
_editedMessage = _messages[messageId];
//Select message in UI
_editedMessage.SetSelectedState();
//Fill input field with actual message content
_chatInputField.text = _messages[messageId].ContentTextValue;
//Show edit and cancel buttons, hide send button
_sendMessageButton.gameObject.SetActive(false);
_editMessageButton.gameObject.SetActive(true);
_cancelEditMessageButton.gameObject.SetActive(true);
}