public ChatWindow(DTO_Friend _df, UserInfo _u, Window _w)
{
InitializeComponent();
w = _w;
//将自己的信息存入消息框tag
MessageValue.Tag = _u;
//获取本地聊天记录
Dictionary <string, List <DTO_SMess> > dic = FilesHelper.FileHelper.ReadFMessages(_u.UI_Number);
//提取好友信息
if (dic.Count > 0)
{
List <string> li = dic.Keys.ToList();
foreach (var item in (w as Main).GetFriends(li))
{
AddOneUser(item);
messages.AddRange(dic[item._Number]);
}
List <DTO_SMess> lis = dic[(this.Tag as DTO_Friend)._Number];
foreach (var item in lis)
{
AddMess(item);
}
}
//添加一个可聊天好友
AddOneUser(_df);
}
/// <summary>
/// 选择和谁聊天
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void sp_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
//获取选择的好友
StackPanel sp = sender as StackPanel;
//得到好友信息
DTO_Friend df = sp.Tag as DTO_Friend;
if (!df._Number.Equals((this.Tag as DTO_Friend)._Number))
{
//清空消息展示框
SendMessages.Children.Clear();
mysv.ScrollToVerticalOffset(0);
this.Title = string.IsNullOrEmpty(df._Remark) ? df._Nike : df._Remark;
this.Tag = df;
//添加聊天消息
foreach (var item in messages.Where(a => a.Despatcher.UI_Number.Equals(df._Number) || a.SendToNum._Number.Equals(df._Number)).ToList())
{
AddMess(item);
}
}
}
/// <summary>
/// 添加一个聊天用户
/// </summary>
/// <param name="_df"></param>
void AddOneUser(DTO_Friend _df)
{
//创建容器
StackPanel sp = new StackPanel();
//设置内容排列方式
sp.Orientation = Orientation.Horizontal;
sp.MouseLeftButtonDown += sp_MouseLeftButtonDown;
//设置边距
sp.Margin = new Thickness(3, 3, 3, 0);
sp.Tag = _df;
//头像
Image img = new Image();
img.Source = new BitmapImage(new Uri("./HeadImgs/h1.bmp", UriKind.Relative));
img.Width = 30;
img.Height = 30;
img.Clip = new EllipseGeometry(new Point(15, 15), 15, 15);
sp.Children.Add(img);
//好友名称
TextBlock tb = new TextBlock();
//设置好友名称
string nick = string.IsNullOrEmpty(_df._Remark) ? _df._Nike : _df._Remark;
tb.Text = nick.Length > 6 ? nick.Substring(0, 3) + "..." : nick;
tb.VerticalAlignment = System.Windows.VerticalAlignment.Center;
tb.FontSize = 15;
sp.Children.Add(tb);
bool isadd = true;
foreach (var item in messagefriendslist.Children)
{
if (((item as StackPanel).Tag as DTO_Friend)._Number == _df._Number)
{
isadd = false;
}
}
if (isadd)
{
messagefriendslist.Children.Add(sp);
}
this.Tag = _df;
this.Title = string.IsNullOrEmpty(_df._Remark) ? _df._Nike : _df._Remark;
}
/// <summary>
/// 添加一个用户聊天
/// </summary>
/// <param name="_df"></param>
public void AddFriend(DTO_Friend _df)
{
AddOneUser(_df);
}
