// 选择不同的联系人时，右侧页面的更新
private void ContactList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
int index = contactList.SelectedIndex;
if (index == -1)
{
return;
}
AddressBook.Item itemToShow = viewModel.addressBook.items[index];
showStack.Children.Clear();
showStack.VerticalAlignment = VerticalAlignment.Center;
showStack.HorizontalAlignment = HorizontalAlignment.Center;
Type type = itemToShow.GetType();
foreach (PropertyInfo pi in type.GetProperties())
{
string name = pi.Name;
var value = pi.GetValue(itemToShow, null);
var dockPanel = new DockPanel();
dockPanel.Children.Add(new Label()
{
Content = $"{name}: ", MinWidth = 100
});
dockPanel.Children.Add(new Label()
{
Content = value != null ? value.ToString() : "null", MinWidth = 100
});
showStack.Children.Add(dockPanel);
}
}
public void updateChatList(AddressBook.Item item)
{
var chatRoomViewModel = new ChatRoomViewModel();
chatRoomViewModel.addressInfo = item;
chatRoomViewModel.id = item.UserName;
chatRoomViewModels.Add(chatRoomViewModel);
}
// 发送群聊消息
public static void SendGroupWord(string word, string destId) // destId 群Id
{
AddressBook.Item targetItem = null;
foreach (var item in App.addressBook.items)
{
if (!item.isGroup)
{
continue;
}
if (item.UserName == destId)
{
targetItem = item;
break;
}
}
if (targetItem == null)
{
MessageBox.Show("您不属于当前群聊");
return;
}
// 因为群聊中可能存在陌生人，重新向服务器查询并发送
foreach (var item in targetItem.GroupUserName)
{
if (item == App.user.userName)
{
continue;
}
string recv = CSClient.getInstance().SendAMsg($"q{item}");
switch (recv)
{
case "error":
MessageBox.Show("服务器查询错误");
continue;
case "Please send the correct message.":
MessageBox.Show("群聊中有未知用户");
continue;
case "n":
continue;
default:
break;
}
string groupId = destId;
string singleUserId = item;
byte[] data = AppProtocol.PackWord($"from:{App.user.userName}\n{word}", groupId, singleUserId);
P2PSender.getInstance().SendData(data, recv, P2PListener.GENERALLISTENPORT);
}
}
// 好友添加，向服务器确认ID是否合法，合法后添加好友
private void AddBtn_Click(object sender, RoutedEventArgs e)
{
var btn = (Button)sender;
string recv = CSClient.getInstance().SendAMsg($"q{(string)btn.Tag}");
string Alias = (string)btn.ToolTip;
if (Alias == null || Alias.Length == 0)
{
Alias = (string)btn.Tag;
}
switch (recv)
{
case "error":
MessageBox.Show("添加失败");
break;
case "Please send the correct message.":
MessageBox.Show("不存在此用户");
break;
default:
foreach (var item in viewModel.addressBook.items)
{
if (item.UserName == (string)btn.Tag)
{
MessageBox.Show("此用户已经是您的好友");
return;
}
}
Model.AddressBook.Item newItem = new AddressBook.Item()
{
Alias = Alias,
UserName = (string)btn.Tag,
isOnline = (recv != "n"),
IPAddress = recv != "n" ? recv : ""
};
viewModel.addressBook.items.Add(newItem);
MessageBox.Show("添加成功");
// 更新界面
contactList.ItemsSource = null;
contactList.ItemsSource = viewModel.addressBook.items;
break;
}
}