private void tButCreateGroup_Click(object sender, EventArgs e)
{
if (frmCreateGroup == null || frmCreateGroup.IsDisposed)
{
frmCreateGroup = new FormCreateRoom(MyAuth.UserID,MyAuth.UserName, true);
frmCreateGroup.CreateRoom += delegate(object senders, exRoom room)
{
ChangeRoom changeRoom = new ChangeRoom();
changeRoom.type = type.New;//标明是新建群
changeRoom.RoomID = room.RoomID;
changeRoom.RoomName = room.RoomName;
changeRoom.UserIDs = room.UserIDs;
changeRoom.Notice = room.Notice;
SendMessageToServer(changeRoom);
//发送消息到服务器，创建群组
};
}
frmCreateGroup.Show();
frmCreateGroup.Activate();
}
private void onChangeRoom(ChangeRoom changeRoom)
{
#region 创建临时群
exRoom room = new exRoom();
room.RoomID = changeRoom.RoomID;
room.RoomName = changeRoom.RoomName;
room.Notice = changeRoom.Notice;
room.CreateUserID = changeRoom.CreateUserID;
room.UserIDs = changeRoom.UserIDs;
if(room.UserIDs !=null)
foreach (string userID in room.UserIDs.Split(';'))
{
User user = findUser(userID);
if (user != null)
room.Users.Add(user.UserID, user);
}
#endregion
exRoom exroom = findRoom(changeRoom.RoomID);//查找群是否已经存在
if (changeRoom.CreateUserID == MyAuth.UserID)//如果是自己创建的群
{
if (changeRoom.type == type.New)//如果创建群成功,更新群成功
{
if (this.frmCreateGroup != null && !this.frmCreateGroup.IsDisposed)//如果创建群窗口已经加载
{
this.frmCreateGroup.Room = room;
this.frmCreateGroup.isUpdateSuccess = true;
}
if (exroom == null)//如果群不存在，则添加群
{
this.Rooms.Add(room);
List<exRoom> rooms = new List<exRoom>();
rooms.Add(room);
treeViewAddRooms(rooms);
}
}
else if (changeRoom.type == type.set)//如果是自己更新群信息
{
if (exroom != null)//如果群存在，则更新群信息即可
{
exroom.Notice = room.Notice;
exroom.UserIDs = room.UserIDs;
exroom.RoomName = room.RoomName;
exroom.Users = room.Users;
FormTalkRoom frmGroup = exroom.Tag as FormTalkRoom;
if (frmGroup != null)
frmGroup.Room = exroom;
OurMsg.FormCreateRoom frm = (exroom.FormData as FormCreateRoom);
if (frm != null && !frm.IsDisposed)
{
frm.Room = room;
frm.isUpdateSuccess = true;
}
}
}
}
else//如果群信息发生改变
{
if (changeRoom.type == type.New || changeRoom.type == type.set)//如果加入群
{
if (exroom == null)//如果群不存在，则添加群
{
this.Rooms.Add(room);
List<exRoom> rooms = new List<exRoom>();
rooms.Add(room);
treeViewAddRooms(rooms);
}
else//如果群存在，则更新信息
{
exroom.Notice = room.Notice;
exroom.UserIDs = room.UserIDs;
exroom.RoomName = room.RoomName;
exroom.Users = room.Users;
FormTalkRoom frmGroup = exroom.Tag as FormTalkRoom;
if (frmGroup != null)
frmGroup.Room = exroom;
}
}
else if (changeRoom.type == type.delete)//如果退出群
{
if (exroom != null)
{
Form frm = exroom.Tag as Form;
if (frm != null && !frm.IsDisposed)
frm.Close();
frm = exroom.FormData as Form;
if (frm != null && !frm.IsDisposed)
frm.Close();
TreeNode node = (exroom.TreeNode as TreeNode);
if (node != null) node.Remove();
this.Rooms.Remove(exroom);
}
}
}
}
/// <summary>
/// 获得群对话框
/// </summary>
/// <param name="room"></param>
private FormTalkRoom GetRoomMsgForm(exRoom room)
{
FormTalkRoom fs = null;
try
{
fs = room.Tag as FormTalkRoom;
if (fs == null || fs.IsDisposed)
{
fs = new FormTalkRoom();//发送消息对话框根据需要替换
room.Tag = fs;
///群中创建用户对话窗口事件发生时
fs.CreateFormTalkUser += delegate(object sender, exUser user)
{
FormTalkUser fTalkUser = GetUserMsgForm(user);// 获得用户消息对话框
fTalkUser.Show();
fTalkUser.Activate();
};
//更新群事件发生时
fs.UpdateRoom += delegate(object sender, exRoom updateRoom)
{
ChangeRoom changeRoom = new ChangeRoom();
changeRoom.type = type.set;
changeRoom.RoomID = updateRoom.RoomID;
changeRoom.RoomName = updateRoom.RoomName;
changeRoom.UserIDs = updateRoom.UserIDs;
changeRoom.Notice = updateRoom.Notice;
SendMessageToServer(changeRoom);
//向服务器请求更新群组资料
};
///当在群里发送消息事件发生时
fs.SendMsgToGroup += delegate(IMLibrary3.Protocol.Element e, exRoom Room)
{
SendMessageToServer(e);//发送消息到服务器
if (e is IMLibrary3.Protocol.Message)
OpeRecordDB.AddMsg(e as IMLibrary3.Protocol.Message);//将消息添加到数据库
};
fs.FormClosed += delegate(object sender, FormClosedEventArgs e)
{ fs.Dispose(); fs = null; room.Tag = null; };
fs.Room = room;
fs.myUserID = MyAuth.UserID ;
fs.myUserName = MyAuth.UserName;
}
}
catch (Exception ex)
{
IMLibrary3.Global.MsgShow(ex.Message);
}
return fs;
}
/// <summary>
/// 处理用户请求创建或更新群
/// </summary>
/// <param name="changeRoom"></param>
/// <param name="session"></param>
private void onChangeRoom(ChangeRoom changeRoom, TCPServerSession session)
{
UserVcard requestUser = session.Tag as UserVcard;//获得请求用户
if (changeRoom.type == type.New && requestUser.CreatedRoomsCount < requestUser.CreateRooms)//如果请求创建群
{
#region 创建群
//10次随机产生群号(所谓摇号)，如果10次摇出的群号都已被创建，则退出并表示服务器忙
//10都不能摇到空号表示用户运气不好，下次再试！
for (int i = 0; i < 10; i++)
{
Random ran = new Random();
int RandKey = ran.Next(10000, 1000000000);//开始摇号，群号码从10000至1000000000随机产生
if (!Rooms.ContainsKey(RandKey.ToString()))//如果是空号，以此号创建群
{
Room room = new Room();
room.RoomID = RandKey.ToString();
room.RoomName = changeRoom.RoomName;
room.Notice = changeRoom.Notice;
room.UserIDs = changeRoom.UserIDs;
room.CreateUserID = changeRoom.from;//创建者为请求者
requestUser.CreatedRoomsCount++;//标记用户创建群数
#region 将内存中的用户添加到内存中的群
string[] userids = room.UserIDs.Split(';');
foreach (string userID in userids)
{
UserVcard user = getUser(userID);
if (user != null)
{
if (room.Users == null) room.Users = new Dictionary<string, User>();
if (!room.Users.ContainsKey(userID))
room.Users.Add(user.UserID, user);
if (user.Rooms == null) user.Rooms = new Dictionary<string, Room>();
if (!user.Rooms.ContainsKey(room.RoomID))
user.Rooms.Add(room.RoomID, room);
}
}
room.UserIDs = "";//重新生成群包含的Users
foreach (User u in GetUsers(room))
room.UserIDs += u.UserID + ";";
#endregion
Rooms.Add(room.RoomID, room);//将创建的群添加到内存
DBHelper.CreateRoom(room);//将创建的群添加到数据库
changeRoom.RoomID = room.RoomID;
changeRoom.CreateUserID = room.CreateUserID;
SendMessageToRoom(room.CreateUserID, room, Factory.CreateXMLMsg(changeRoom));//发送消息到刚创建的群，通知群里的用户已经加入群
return;//创建群成功，退出
}
}
#endregion
}
else if (changeRoom.type == type.set)//请求更新群
{
#region 更新群
Room room = getRoom(changeRoom.RoomID);
if (room != null && room.CreateUserID == changeRoom.from)//如果群创建者为请求用户
{
string oldVersion = room.RoomName.Trim() + room.Notice.Trim() + room.UserIDs;
changeRoom.CreateUserID = room.CreateUserID;
room.Notice = changeRoom.Notice;
room.RoomName = changeRoom.RoomName;
string[] newUserids = changeRoom.UserIDs.Split(';');
#region 查找群中被删除的用户
changeRoom.type = type.delete;//标识删除群
changeRoom.UserIDs = null;//不要将新群包含的用户通知退出群的用户
string delRoomMsg = IMLibrary3.Protocol.Factory.CreateXMLMsg(changeRoom);
bool t = false;
foreach (UserVcard user in GetUsers(room))
{
t = false;
foreach (string userID in newUserids)
if (user.UserID == userID)//如果群里的用户在更新后的用户集合中存在，则表示未删除
t = true;
if (!t)//如果更新的用户集合中没有当前用户，则表示从群中删除此用户
{
room.Users.Remove(user.UserID);
user.Rooms.Remove(room.RoomID);
SendMessageToUser(user, delRoomMsg);//通知用户退出群
}
}
#endregion
#region 添加新用户记录群中新用户
foreach (string userID in newUserids)
{
UserVcard user = getUser(userID);//获取新用户
if (user != null)
{
if (!room.Users.ContainsKey(user.UserID))
{
room.Users.Add(user.UserID, user);//如果群里无此用户，则新增用户
if (!user.Rooms.ContainsKey(room.RoomID))
user.Rooms.Add(room.RoomID, room);//如果用户不在此群，则为用户新增群
}
}
}
#endregion
room.UserIDs = "";//重新生成群包含的Users
foreach (User u in GetUsers(room))
room.UserIDs += u.UserID + ";";
changeRoom.type = type.set;//标识群信息被成功修改
changeRoom.UserIDs = room.UserIDs;//设置最新用户列表
string newVersion = room.RoomName.Trim() + room.Notice.Trim() + room.UserIDs;
if (oldVersion == newVersion) return;//如果没有做任何更改
SendMessageToRoom(room.CreateUserID, room, IMLibrary3.Protocol.Factory.CreateXMLMsg(changeRoom));//通知群内原用户，群信息已经修改
DBHelper.UpdateRoom(room);
}
#endregion
}
}
