//Index页面下的UI控制
private void ShowIndex()
{
scrollIndex.Visibility = Visibility.Visible;
scrollMessages.Visibility = Visibility.Collapsed;
Message m0 = MessagesKeeper.Get(0);
if (m0 == null)
{
MessageBox.Show("数据加载中，请稍后……");
return;
}
foreach (int sonId in m0.SonsId)
{
Message m1 = MessagesKeeper.Get(sonId);
if (m1 != null)
{
ScrollViewer sv = getIndexTextBlock(m1);
if (!stackPanel.Children.Contains(sv))
{
stackPanel.Children.Add(sv);
MainGrid.RegisterName("scrollViewerIndex" + m1.Id, sv);
}
}
}
}
void ButtonBack_PreviewMouseUp(object sender, MouseButtonEventArgs e)
{
if (currentCenterId == 0)
{
return;
}
Message msg = MessagesKeeper.Get(currentCenterId);
if (msg == null)
{
return;
}
GoTo(msg.Father);
}
//检查用户是否成功登陆
static public void Login(JObject j)
{
if (j["user"].ToString().Equals("wrong"))
{
loginFlag = false;
wrongPassword = true;
MessagesKeeper.Reset();
ClientSocket.Stop();
}
else if (j["user"].ToString().Equals("accept"))
{
loginFlag = true;
}
else if (j["user"].ToString().Equals("new"))
{
loginFlag = true;
InfoBox.AddInfo("新用户" + j["nickname"].ToString() + "已创建。");
}
}
private void ShowMe()
{
Message m0;
m0 = MessagesKeeper.Get(currentCenterId, 3);
if (m0 == null)
{
return;
}
if (currentCenterId == 0)
{
ShowIndex();
}
else
{
ShowMessage();
}
}
//连接服务器
public static int ConnectServer(string name, string password = "")
{
user = new User(name, password);
IPAddress ip = IPAddress.Parse(host);
IPEndPoint ipe = new IPEndPoint(ip, port);
soc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
soc.Connect(ipe);
}
catch (SocketException e)
{
System.Windows.MessageBox.Show("服务器连接错误！请检查服务器地址：" + host + ":" + port.ToString());
return(1);
}
sendUserInfo();
startListening();
MessagesKeeper.Get(0, 3);
return(0);
}
static private void listenServer()
{
while (true)
{
byte[] result = new byte[1024];
int receiveLength = 0;
try
{
if (soc != null)
{
receiveLength = soc.Receive(result);
}
else
{
throw new SocketException();
}
}
catch (SocketException e)
{
InfoBox.AddInfo("服务器连接错误！您已离线。[Listening failed]");
return;
}
string s = Encoding.UTF8.GetString(result, 0, receiveLength);
while (s.Contains("}"))
{
try
{
int t = 0, cnt = 0;
while (s[t] != '{' && t < s.Length)
{
++t;
}
++cnt;
while (cnt > 0 && t < s.Length - 1)
{
++t;
if (s[t] == '{')
{
++cnt;
}
if (s[t] == '}')
{
--cnt;
}
}
if (t >= s.Length)
{
break;
}
string s0 = s.Substring(0, t + 1);
s = s.Substring(t + 1);
JObject j;
j = (JObject)JsonConvert.DeserializeObject(s0);
if (j["action"].ToString().Equals("send"))
{
InfoBox.AddInfo(j["content"].ToString());
}
else if (j["action"].ToString().Equals("get"))
{
MessagesKeeper.RefreshMessage(j);
}
else if (j["action"].ToString().Equals("user"))
{
User.Login(j);
}
}
catch
{
Console.WriteLine("数据解析失败。");
break;
}
}
}
}
private ScrollViewer getTextBlock(Message msg, int level = 0)
{
ScrollViewer sv = null;
TextBlock tb = null;
//查找目标UI是否已存在于容器
sv = MainGrid.FindName("scrollViewer" + msg.Id) as ScrollViewer;
if (sv == null)
{
//没有找到，新建UI
sv = new ScrollViewer();
tb = new TextBlock();
sv.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
tb.TextWrapping = TextWrapping.Wrap;
tb.Inlines.Add(new Bold(new Run(msg.SenderName + ": ")));
tb.Inlines.Add(new Run(msg.Content));
tb.Background = new SolidColorBrush(msg.Color);
tb.MouseUp += tb_MouseUp;
tb.MouseEnter += tb_MouseEnter;
tb.MouseLeave += tb_MouseLeave;
tb.Tag = msg;
sv.Content = tb;
sv.Tag = currentCenterId;
}
else
{
////已经正常显示则不修改
if (sv.IsVisible && (int)sv.Tag == currentCenterId)
{
return(sv);
}
//否则进行微调
tb = sv.Content as TextBlock;
}
sv.Height = msg.Size(level);
sv.Width = msg.Size(level);
sv.Tag = currentCenterId;
tb.FontSize = msg.FontSize(level);
if (level == 0 || level == 1)
{
//正常显示
tb.Background = new SolidColorBrush(msg.Color);
tb.Foreground = Brushes.Black;
}
else
{
//弱显示
tb.Background = new SolidColorBrush(msg.LightColor);
tb.Foreground = new SolidColorBrush(Message.LightFontColor);
}
if (!sv.IsVisible)
{
if (level == 0)
{
//正中间
sv.Margin = new Thickness(0);
}
else if (level >= -1)
{
//儿子位置正关联
ScrollViewer sv0 = MainGrid.FindName("scrollViewer" + msg.Father) as ScrollViewer;
if (sv0 != null)
{
double distance = sv0.Width + sv.Width;// -randomMove / 2 + random.Next(randomMove);
sv.Margin = Message.Position(msg.Place, distance, sv0.Margin);
}
}
else if (level == -2)
{
//父亲位置负关联
ScrollViewer sv0 = MainGrid.FindName("scrollViewer" + currentCenterId) as ScrollViewer;
Message m0 = MessagesKeeper.Get(currentCenterId);
if (sv0 != null && m0 != null)
{
double distance = sv0.Width + sv.Width;// -randomMove / 2 + random.Next(randomMove);
sv.Margin = Message.Position(m0.Place, distance, sv0.Margin, -1);
}
}
}
sv.Visibility = Visibility.Visible;
return(sv);
}
//Message页面下的UI控制
private void ShowMessage()
{
scrollIndex.Visibility = Visibility.Collapsed;
scrollMessages.Visibility = Visibility.Visible;
Message m0 = MessagesKeeper.Get(currentCenterId);
if (m0 == null)
{
MessageBox.Show("数据加载中，请稍后……");
return;
}
//自己
ScrollViewer sv0 = getTextBlock(m0, 0);
if (!gridMessages.Children.Contains(sv0))
{
gridMessages.Children.Add(sv0);
gridMessages.RegisterName("scrollViewer" + m0.Id, sv0);
}
//父亲
if (m0.Father != 0)
{
Message m_2 = MessagesKeeper.Get(m0.Father);
ScrollViewer sv_2 = getTextBlock(m_2, -2);
if (!gridMessages.Children.Contains(sv_2))
{
gridMessages.Children.Add(sv_2);
gridMessages.RegisterName("scrollViewer" + m0.Father, sv_2);
}
foreach (int sonId in m_2.SonsId)
{
//兄弟
Message m_1 = MessagesKeeper.Get(sonId);
if (m_1 == null || m_1.Id == currentCenterId)
{
continue;
}
ScrollViewer sv_1 = getTextBlock(m_1, -1);
if (!gridMessages.Children.Contains(sv_1))
{
gridMessages.Children.Add(sv_1);
gridMessages.RegisterName("scrollViewer" + m_1.Id, sv_1);
}
}
}
//儿子
foreach (int sonId in m0.SonsId)
{
Message m1 = MessagesKeeper.Get(sonId);
if (m1 == null)
{
continue;
}
ScrollViewer sv1 = getTextBlock(m1, 1);
if (!gridMessages.Children.Contains(sv1))
{
gridMessages.Children.Add(sv1);
gridMessages.RegisterName("scrollViewer" + m1.Id, sv1);
}
//孙子
foreach (int sonsonId in m1.SonsId)
{
Message m2 = MessagesKeeper.Get(sonsonId);
if (m2 == null)
{
continue;
}
ScrollViewer sv2 = getTextBlock(m2, 2);
if (!gridMessages.Children.Contains(sv2))
{
gridMessages.Children.Add(sv2);
gridMessages.RegisterName("scrollViewer" + m2.Id, sv2);
}
}
}
}
