private void Form1_KeyPress(object sender, KeyPressEventArgs e)
{
// check timing (keystrokes within 100 ms)
TimeSpan elapsed = (DateTime.Now - _lastKeystroke);
if (!manualMode)
{
if (elapsed.TotalMilliseconds > 150)
{
_barcode.Clear();
}
}
if (manualMode && e.KeyChar == Convert.ToChar(Keys.Back))
{
if (_barcode.Count > 0)
{
_barcode.RemoveAt(_barcode.Count - 1);
string msg = new String(_barcode.ToArray());
lblId.Text = msg;
}
return;
}
if (e.KeyChar != 13)
{
if (_barcode.Count < 6)
{
_barcode.Add(e.KeyChar);
}
_lastKeystroke = DateTime.Now;
if (manualMode)
{
string msg = new String(_barcode.ToArray());
lblId.Text = msg;
}
if (_barcode.Count == 1)
{
lblName.Text = txtRole.Text = lblTimeIn.Text = lblTimeOut.Text = lblCheckinStatus.Text = lblMotorNum.Text = "";
picBoxEmployee.Image = null;
}
clearImageWindow();
}
else if (e.KeyChar == 13 && _barcode.Count > 0) //MAIN EVENT
{
string empId = new String(_barcode.ToArray());
//MessageBox.Show(msg);
lblId.Text = empId;
_barcode.Clear();
// Check if the ID is valid: contains number
int tmp;
if (!Int32.TryParse(empId, out tmp))
{
Console.WriteLine("Invalid ID: " + empId);
lblId.Text = "";
return;
}
// Employee exist or not
EmployeeData empData = getEmployeeDataIfExist(empId);
if (!empData.exist)
{
lblId.Text = lblName.Text = txtRole.Text = lblTimeIn.Text = lblTimeOut.Text = lblCheckinStatus.Text = lblMotorNum.Text = "";
picBoxEmployee.Image = null;
Console.WriteLine("Employee does not exist: " + empId);
return;
}
// Check recent activities
if (scaningState.ContainsKey(empId))
{
DateTime last = scaningState[empId];
DateTime now = DateTime.Now;
double timeDiff = (now - last).TotalSeconds;
Console.WriteLine("TimeDiff for " + empId + ": " + timeDiff.ToString());
if (timeDiff < minTimeBetweenScanSteps)
{
int remain = (int)(minTimeBetweenScanSteps - timeDiff);
Console.WriteLine("Duplicated activities");
lblId.Text = "Đã thực hiện!";
lblName.Text = "Thử lại sau: " + remain.ToString() + " giây!";
return;
}
else
{
Console.WriteLine("Remove key from activities");
scaningState.Remove(empId);
}
}
// Save activities timestamp
scaningState[empId] = DateTime.Now;
// Actual event to update GUI and DB
string absFrontImageDir = captureCamera(1);
string absRearImageDir = captureCamera(2);
try
{
string date = DateTime.Now.ToString("yyyy-MM-dd");
string frontImageCheckIn = "";
string rearImageCheckIn = "";
string timeCheckin = "tuan";
bool rowExist = isParkingRowExist(empId, date, out frontImageCheckIn, out rearImageCheckIn, out timeCheckin);
Console.WriteLine(rowExist);
Console.WriteLine(frontImageCheckIn + "_" + rearImageCheckIn);
updateTimeInOut(empId, absFrontImageDir, absRearImageDir, rowExist);
displayNameAndImage(empData);
if (!rowExist) //checkin
{
displayTimeIn();
//displayImageWindow(absFrontImageDir, absRearImageDir);
//It has already done at captureCamera 1/2
}
else //checkout
{
displayImageWindowStoredInDb(frontImageCheckIn, rearImageCheckIn);
displayTimeOut(timeCheckin);
}
// Timer to clean up screen
if (!backgroundTimer.Enabled)
{
backgroundTimer.Stop();
}
backgroundTimer.Interval = screenTimeoutValue * 1000;
backgroundTimer.Start();
}
catch (Exception ex)
{
MessageBox.Show("Connection ERROR: " + ex.Message, "Lost database connection!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void Form1_KeyPress(object sender, KeyPressEventArgs e)
{
// check timing (keystrokes within 100 ms)
TimeSpan elapsed = (DateTime.Now - _lastKeystroke);
if (!manualMode)
{
if (elapsed.TotalMilliseconds > 150)
{
_barcode.Clear();
}
}
if (manualMode && e.KeyChar == Convert.ToChar(Keys.Back))
{
if (_barcode.Count > 0)
{
_barcode.RemoveAt(_barcode.Count - 1);
string msg = new String(_barcode.ToArray());
lblId.Text = msg;
}
return;
}
if (e.KeyChar != 13)
{
if (_barcode.Count < 6)
{
_barcode.Add(e.KeyChar);
}
_lastKeystroke = DateTime.Now;
if (manualMode)
{
string msg = new String(_barcode.ToArray());
lblId.Text = msg;
}
if (_barcode.Count == 1)
{
lblName.Text = txtRole.Text = lblTime.Text = lblCheckinStatus.Text = lblCheckInOutStatus.Text = "";
picBoxEmployee.Image = null;
txtWarning.Visible = false;
}
}
else if (e.KeyChar == 13 && _barcode.Count > 0) //MAIN EVENT
{
string empId = new String(_barcode.ToArray());
//MessageBox.Show(msg);
lblId.Text = empId;
_barcode.Clear();
// Check if the ID is valid: contains number
int tmp;
if (!Int32.TryParse(empId, out tmp))
{
Console.WriteLine("Invalid ID: " + empId);
string errorLine = DateTime.Now.ToString("HH:mm:ss") + ": Mã nhân viên chưa đúng: " + empId;
txtConsole.Text += "\n" + errorLine;
lblCheckInOutStatus.Text = errorLine;
lblId.Text = "";
return;
}
// Employee exist or not
EmployeeData empData = getEmployeeDataIfExist(empId);
if (!empData.exist)
{
lblId.Text = lblName.Text = txtRole.Text = lblTime.Text = lblCheckinStatus.Text = "";
picBoxEmployee.Image = null;
txtWarning.Visible = false;
string errorLine = DateTime.Now.ToString("HH:mm:ss") + ": Nhân viên không tồn tại: " + empId;
txtConsole.Text += "\n" + errorLine;
lblCheckInOutStatus.Text = errorLine;
Console.WriteLine("Employee does not exist: " + empId);
return;
}
// Check recent activities
if (scaningState.ContainsKey(empId))
{
DateTime last = scaningState[empId];
DateTime now = DateTime.Now;
double timeDiff = (now - last).TotalSeconds;
Console.WriteLine("TimeDiff for " + empId + ": " + timeDiff.ToString());
if (timeDiff < minTimeBetweenScanSteps)
{
int remain = (int)(minTimeBetweenScanSteps - timeDiff);
Console.WriteLine("Duplicated activities");
lblId.Text = "Đã thực hiện!";
lblName.Text = "Vui lòng đợi: " + remain.ToString() + " giây!";
return;
}
else
{
Console.WriteLine("Remove key from activities");
scaningState.Remove(empId);
}
}
// Save activities timestamp
scaningState[empId] = DateTime.Now;
// Actual event to update GUI and DB
string absImageDir = captureCamera();
try
{
updateTimeInOut(empId, absImageDir);
displayNameAndImage(empData);
displayTime();
}
catch (Exception ex)
{
Console.WriteLine("Exception when updating the checkin/out: " + ex.Message);
string errorLine = DateTime.Now.ToString("HH:mm:ss") + ": Exception when updating the checkin/out!: " + ex.Message;
txtConsole.Text += "\n" + errorLine;
lblCheckInOutStatus.Text = errorLine;
}
}
}