public void writeFile(string chatname, string filename, byte[] bytes)
{
try
{
FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog();
folderBrowserDialog.Description = "选择文件保存的位置";
if (folderBrowserDialog.ShowDialog() == DialogResult.OK)
{
string filepath = folderBrowserDialog.SelectedPath + @"\" + filename;
File.WriteAllBytes(filepath, bytes);
writeMsg(chatname, "文件已保存到" + filepath);
string text = string.Format(
"{0} 在 {1:MM-dd H:mm:ss} 成功接收了文件{2}",
getMyFullname(),
DateTime.Now,
filename
);
ChatLink cl = ls.getChatLink(chatname);
cl.sendMsg(common.type_str_text, text);
}
}
catch (System.Exception ex)
{
writeError(ex);
}
}
public void addFriend(string nickname, List <string> users)
{
string chatname = common.generateIdentifier(common.name_header_length);
try
{
ChatLink cl = ls.register(chatname);
cl.addUser(sl.getUserName());
foreach (string user in users)
{
cl.addUser(user);
}
cl.start();
if (users.Count == 1)
{
if (nickname != "")
{
cl.Nickname = nickname;
}
}
else
{
cl.sendMsg(common.type_str_set_groupname, nickname);
}
writeInstantMsg("已添加聊天：" + cl.Nickname);
}
catch (System.Exception ex)
{
writeError(ex);
}
}
private void buttonDelFriend_Click(object sender, EventArgs e)
{
if (listBoxFriend.SelectedIndex > -1)
{
ChatLink cl = (ChatLink)listBoxFriend.Items[listBoxFriend.SelectedIndex];
ls.unregister(cl.getChatname());
writeInstantMsg("已删除聊天：" + cl.Nickname);
}
}
private void buttonSendFile_Click(object sender, EventArgs e)
{
if (listBoxFriend.SelectedIndex > -1)
{
string localFilePath = String.Empty;
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "所有文件(*.*)|*.*";
openFileDialog.FilterIndex = 1;
openFileDialog.Title = "请选择要传的文件";
openFileDialog.RestoreDirectory = true;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
localFilePath = openFileDialog.FileName.ToString();
string filename = Path.GetFileName(localFilePath);
try
{
byte[] bytes = File.ReadAllBytes(localFilePath);
ChatLink cl = (ChatLink)listBoxFriend.Items[listBoxFriend.SelectedIndex];
string text = string.Format(
"{0} 在 {1:MM-dd H:mm:ss} 分享了文件{2}",
getMyFullname(),
DateTime.Now,
filename
);
using (BackgroundWorker bw = new BackgroundWorker())
{
bw.DoWork += (object o, DoWorkEventArgs ea) =>
{
cl.sendMsg(common.type_str_text, text);
cl.sendMsg(common.type_str_fileowner, sl.getUserName());
cl.sendMsg(common.type_str_filename, filename);
cl.sendMsg(common.type_str_file, bytes);
};
bw.RunWorkerCompleted += (object o, RunWorkerCompletedEventArgs ea) =>
{
;
};
bw.RunWorkerAsync();
}
}
catch (System.Exception ex)
{
writeError(ex);
}
}
}
}
private void buttonChangeName_Click(object sender, EventArgs e)
{
if (listBoxFriend.SelectedIndex > -1)
{
ChatLink cl = (ChatLink)listBoxFriend.Items[listBoxFriend.SelectedIndex];
string newname = Interaction.InputBox("请输入新的备注", "计网大作业", "滑稽");
if (cl.groupNumber == 2)
{
cl.Nickname = newname;
listBoxFriend.Refresh();
}
else
{
cl.sendMsg(common.type_str_set_groupname, newname);
}
}
}
private void listBoxFriend_DrawItem(object sender, DrawItemEventArgs e)
{
e.DrawBackground();
if (e.Index >= 0)
{
ChatLink cl = (ChatLink)listBoxFriend.Items[e.Index];
string chatname = cl.getChatname();
var m = getMsgHistory(chatname);
if (m.unread > 0)
{
string showText = string.Format("【{0}未读】{1}", m.unread, cl.Nickname);
e.Graphics.DrawString(showText, new Font("Arial", 8, FontStyle.Bold), Brushes.Black, e.Bounds);
}
else
{
e.Graphics.DrawString(cl.Nickname, new Font("Arial", 8, FontStyle.Regular), Brushes.Black, e.Bounds);
}
}
e.DrawFocusRectangle();
}
private void buttonSend_Click(object sender, EventArgs e)
{
if (listBoxFriend.SelectedIndex > -1)
{
string text = string.Format(
"{0} {1:MM-dd H:mm:ss}{2}",
getMyFullname(),
DateTime.Now,
Environment.NewLine
);
text += textBoxMsgSend.Text;
try
{
ChatLink cl = (ChatLink)listBoxFriend.Items[listBoxFriend.SelectedIndex];
cl.sendMsg(common.type_str_text, text);
textBoxMsgSend.Text = string.Empty;
}
catch (System.Exception ex)
{
writeError(ex);
}
}
}
