前端实现接收发送文本消息

StormChatWPF/MainWindow.xaml.cs

@@ -1,4 +1,5 @@
-using System;
+using Interact;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -19,34 +20,87 @@ namespace StormChatWPF
     /// </summary>
     public partial class MainWindow : Window
     {
+        public static MainWindow Instence;
         public MainWindow()
         {
             InitializeComponent();
+            LoadContactsList();
+            Instence = this;
         }
-        private void AddUserList()
+        private void LoadContactsList()
         {
             if (Chat.ContactsList.Any())
             {
                 foreach (var user in Chat.ContactsList)
                 {
-                    UsersList.Items.Add(user);
+                    UsersList.Items.Add(user.NickName);
                 }
             }
         }//向联系人列表listview中添加元素
 
-        private void UsersList_Selected(object sender, RoutedEventArgs e)
-        {
-
-        }
-
         private void UsersList_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-
+            if (UsersList.SelectedItem != null)
+            {
+                Chat.CurrentContact = Chat.ContactsList[UsersList.SelectedIndex];
+            }
         }
 
         private void Button_Click(object sender, RoutedEventArgs e)
         {
-            AddUserList();
+            Chat.chat.SendMessage(InputBox.Text,Chat.CurrentContact);
+            InputBox.Text = "";
         }
+
+        internal void ShowMessage(Message message)
+        {
+            if (message.To == User.Me)
+            {
+                App.Current.Dispatcher.Invoke(
+                delegate ()
+                {
+                    TextBlock text = new TextBlock
+                    {
+                        MaxWidth = 400,
+                        MinWidth = 10,
+                        MinHeight = 30,
+                        Text = message.Text,
+                        TextWrapping = TextWrapping.Wrap,
+                        FontFamily = new FontFamily("Comic Sans MS"),
+                        HorizontalAlignment = HorizontalAlignment.Left
+                    };
+                    Label label = new Label
+                    {
+                        HorizontalAlignment = HorizontalAlignment.Left,
+                        Content = text
+                    };
+                    OutBox.Children.Add(label);
+                });
+            }//接受到的的消息
+            else
+            {
+                App.Current.Dispatcher.Invoke(
+                delegate ()
+                {
+                    
+                    TextBlock text = new TextBlock
+                    {
+                        MaxWidth = 400,
+                        MinWidth = 10,
+                        MinHeight = 30,
+                        Text = message.Text,
+                        TextWrapping = TextWrapping.Wrap,
+                        FontFamily = new FontFamily("Comic Sans MS"),
+                        HorizontalAlignment = HorizontalAlignment.Right
+                    };
+                    Label label = new Label
+                    {
+                        HorizontalAlignment=HorizontalAlignment.Right,
+                        Content=text
+                    };
+                    OutBox.Children.Add(label);
+                });
+            }//发送的的消息
+        }//将消息展现于UI界面
     }
 }