private void AfterUserCheck(IAsyncResult result)
{
#region
DLUserCheck dl_do = (DLUserCheck)result.AsyncState;
if (!this.InvokeRequired)
{
return;
}
if (dl_do.EndInvoke(result))
{
this.Invoke(new MethodInvoker(() => {
_iconStatus._systemNotifyIcon.Text += "\r\nNO：" + _User.userid;
this.Hide();
UserMainWindow mainwindow = new UserMainWindow();
mainwindow._IconController = new icon.IconController();
mainwindow._IconController.Bind(_iconStatus);
mainwindow.Show();
_iconStatus.BindToWindow(mainwindow);
}));
}
else
{
this.Invoke(new MethodInvoker(() =>
{
ExtMessage.Show("帐号异常！");
}));
}
#endregion
}
/// <summary>
/// 提交考题内容
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void submitQuestionContent(object sender
, RoutedEventArgs e)
{
#region
if (this.cbQuestiontype.SelectedValue != null)
{
questiontype = this.cbQuestiontype.SelectedValue.ToString();
}
switch (questiontype)
{
case "1":
this.tbQuestionSelect.Text = this.tbQuestion.Text;
this.showSelectTab();
break;
case "2":
this.showEstimateTab();
if (_frmState == ExamQuestionState.NormalEdit)
{
this.initEstimate();
}
break;
case "3":
this.tbQuestionEssay.Text = this.tbQuestion.Text;
this.showEssayTab();
break;
default:
ExtMessage.Show("请选择考题类型！");
break;
}
#endregion
}
private void resetConnectDB(object sender
, RoutedEventArgs e)
{
#region
if (isTestConnectDBing)
{
ExtMessage.Show("正在尝试连接数据库……");
}
else
{
if (IsConnectingDB)
{
ExtMessage.Show("已连接上数据库，软件可以正常使用！");
}
else
{
if (ExtMessage.ShowConfirm("您确认要重新连接数据库吗？")
== System.Windows.Forms.DialogResult.OK)
{
this.getDBDataToUI();
}
}
}
#endregion
}
/// <summary>
/// (linkbutton)查询试题
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void queryQuestion(object sender, RoutedEventArgs e)
{
#region
this.AddDBCheck(() =>
{
this.tcMainWindowTab.SelectedIndex = 1;
ExtMessage.Show("在列表顶端的查询区域输入关键字或按照试题类型、试题领域进行组合查询！");
});
#endregion
}
/// <summary>
/// 进行数据库检测
/// </summary>
/// <param name="businessProcess"></param>
private void AddDBCheck(DLBusinessProcess businessProcess)
{
#region
if (IsConnectingDB)
{
businessProcess();
}
else
{
ExtMessage.Show("数据库连接失败！");
}
#endregion
}
/// <summary>
/// Сохраняет и рассылает сообщение всем подключеннымк чату пользователям
/// </summary>
/// <param name="chatId">Идентификатор чата</param>
/// <param name="message">Данные сообщения для передачи</param>
public async Task SendMessage(string chatId, ExtMessage message)
{
User user = Context.GetHttpContext().GetUser();
if (user == null)
{
return;
}
Chat chat = await _database.Chats.FirstOrDefaultAsync(p => p.Id == chatId);
if (chat == null)
{
await Clients.Caller.SendAsync("ChatError", ResponseUtilities.GetErrorResponse(RequestError.ChatNotFound)).ConfigureAwait(false);
return;
}
Message internalMessage = new Message()
{
Chat = chat,
Date = DateTime.Now,
EncryptedMessage = message.encryptedMessage,
Id = RandomUtilities.GetCryptoRandomString(40),
Sender = _database.Users.First(p => p.Id == user.Id),
Status = MessageStatus.Encrypted
};
chat.LastMessageDate = internalMessage.Date;
chat.LastMessageId = internalMessage.Id;
_database.Messages.Add(internalMessage);
await _database.SaveChangesAsync();
KeySession[] keySessions = chat.EncryptionChatDatas.Where(p => p.KeySession != null).Select(p => p.KeySession).ToArray();
User[] users = await _database.Users.Where(p => keySessions.Contains(p.KeySession)).ToArrayAsync();
for (int i = 0; i < users.Length; i++)
{
await Clients.User(users[i].Id).SendAsync("NewMessage", chatId, (ExtMessage)internalMessage);
}
}
private void saveDbConnectParams(object sender
, RoutedEventArgs e)
{
#region
if (!_isTestSuccessfull)
{
ExtMessage.Show(@"请先测试连接成功后再进行保存！");
}
else
{
string newConnectString = "Data Source={0};Initial Catalog={1};Persist Security Info=True;User ID={2};Password={3};";
string[] cStrArr = new string[4];
cStrArr[0] = this.tbDataSource.Text.Trim();
cStrArr[1] = this.tbDataBase.Text.Trim();
cStrArr[2] = this.tbUsername.Text.Trim();
cStrArr[3] = this.tbPassword.Text.Trim();
newConnectString = String.Format(newConnectString, cStrArr);
XmlDocument doc = new XmlDocument();
doc.Load(_cfgFileName);
//找出名称为“add”的所有元素
XmlNodeList nodes = doc.GetElementsByTagName("add");
for (int i = 0; i < nodes.Count; i++)
{
//获得将当前元素的key属性
XmlAttribute att = nodes[i].Attributes["name"];
//根据元素的第一个属性来判断当前的元素是不是目标元素
if (att.Value == "ConnectString")
{
//对目标元素中的第二个属性赋值
att = nodes[i].Attributes["connectionString"];
att.Value = newConnectString;
break;
}
}
doc.Save(_cfgFileName);
System.Diagnostics.Process.Start("RestartApplication.exe", "ExamSystemConfig.exe");
System.Environment.Exit(0);
this.Close();
}
#endregion
}
private void ConnectDB(string connectString)
{
#region
try
{
DateTime dt = CustomTime.GetDBServerTime(connectString);
ExtMessage.Show(@"连接成功，返回服务器时间" + dt.ToString() +
"\r\n现在可以点击“保存数据库参数”确保下次程序开启后能正确连接数据库！");
this._isTestSuccessfull = true;
}
catch
{
ExtMessage.ShowError("连接不成功！");
}
finally {
this.Dispatcher.BeginInvoke(
new DLControlProgress(() => {
this.ctlprogress.IsActive = false;
}), null);
}
#endregion
}
/// <summary>
/// 编辑选中考题
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void showEditQuestion(object sender, RoutedEventArgs e)
{
#region
this.AddDBCheck(() =>
{
DataRowView drvquestion = null;
if (this.dgQuestion.SelectedItem != null)
{
drvquestion = this.dgQuestion.SelectedItem as DataRowView;
}
else
{
ExtMessage.Show("请选中要编辑的数据！");
return;
}
NewQuestion frmquestion = new NewQuestion(ExamQuestionState.NormalEdit);
frmquestion.QuestionRow = QuestionController.QuestionData.Tables[0]
.Rows.Find(drvquestion[ExamQuestionData.questionId]);
frmquestion.InitUI();
frmquestion.ShowDialog();
});
#endregion
}
/// <summary>
///
/// </summary>
private void initEstimate()
{
#region
this.tbQuestionEstimate.Text = this.tbQuestion.Text;
int totalcount = 0;
ExamAnswerEstimateBusiness answerestimatebusiness =
new ExamAnswerEstimateBusiness();
_entityAnswerEstimate = new EntityExamAnswerEstimate();
_entityAnswerEstimate.questionId = QuestionRow[ExamQuestionData.questionId].ToString();
this._answerEstimateData = answerestimatebusiness.GetData(_entityAnswerEstimate, null, out totalcount);
if (totalcount == 1)
{
this.cbAnswerEstimate.IsChecked = Convert
.ToBoolean(this._answerEstimateData.Tables[0]
.Rows[0][ExamAnswerEstimateData.answer]);
}
else
{
ExtMessage.Show("数据错误，请将此项数据进行删除！");
}
#endregion
}
/// <summary>
/// 保存考题
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void saveQuestion(object sender
, RoutedEventArgs e)
{
#region
switch (questiontype)
{
case "2":
if (_frmState == ExamQuestionState.NormalAdd)
{
addEstimateQuestion();
}
else
{
updateEstimateQuestion();
}
break;
default:
break;
}
ExtMessage.Show("已成功提交考题！");
this.Close();
#endregion
}
