// Check if the person exit the program have the master key
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
MasterPasswordForm masterPasswordForm = new MasterPasswordForm(false, true);
masterPasswordForm.ShowDialog();
if (!masterPasswordForm.Verify)
{
MessageBox.Show("Exit Error: Authetication Failed" +
"\nNo permission can be granted without the master password verification." +
"\nYou need the master password to exit the program.", "Exit Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
// Cancel the exit operation
e.Cancel = true;
}
else
{
MessageBox.Show("Exit Success" +
"\nThe program will exit now.", "Exit Success", MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
}
// Methods
public void LoadMainForm()
{
DatabaseController dbController = new DatabaseController();
// Check the DbConfig file existence and determine the next operation
if (!dbController.DbConfigExists())
{
// Set the Master Password
MasterPasswordForm newMasterPasswordForm = new MasterPasswordForm();
newMasterPasswordForm.ShowDialog();
// Exit the program if user exit the Master Password Initial Setup, else Load Database Connection Form
if (!newMasterPasswordForm.PwSetted)
{
this.Close();
}
else
{
// Set the Database Connection
DatabaseConnectionForm dbConForm = new DatabaseConnectionForm(newMasterPasswordForm.MasterPw, false);
dbConForm.ShowDialog();
// Exit the program if user exit the Database Connection Initial Setup
if (!dbConForm.Connected)
{
MessageBox.Show("Connection Error: Database not connected." +
"\nThere is no database to be connected. The program will exit now.", "Connection Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Close();
}
else
{
// Set Up the cabinet for this system
SetCabinetForm setCabinetForm = new SetCabinetForm(dbConForm.DbContoller);
setCabinetForm.ShowDialog();
if (!setCabinetForm.IsCabinetSelected())
{
MessageBox.Show("Initialize Error: No cabinet assigned." +
"\nThe system cannot recognize a valid cabinet. The program will exit now.", "Initialize Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Close();
}
else
{
// The Main Form will be displayed by default if Database Connection Succeed
// Show the Cabinet Code if load successfully
labelCabinetCode.Text = setCabinetForm.GetCabinetCode();
_isLoaded = true;
}
}
}
}
else
{
dbController.LoadIniFile();
try
{
dbController.ConnectDatabase();
dbController.CheckCabinet();
}
catch (InvalidDatabaseConnectionException error)
{
error.ShowErrorMessage();
}
if (!dbController.Connected)
{
MasterPasswordForm verifyPasswordForm = new MasterPasswordForm(true, false);
verifyPasswordForm.ShowDialog();
if (verifyPasswordForm.Verify)
{
// Set the Database Connection
DatabaseConnectionForm dbConForm = new DatabaseConnectionForm(verifyPasswordForm.MasterPw, true);
dbConForm.ShowDialog();
// Exit the program if user exit the Database Connection Initial Setup
if (!dbConForm.Connected)
{
MessageBox.Show("Database Not Connected");
this.Close();
}
else
{
SetCabinetForm setCabinetForm = new SetCabinetForm(dbConForm.DbContoller);
setCabinetForm.ShowDialog();
if (!setCabinetForm.IsCabinetSelected())
{
MessageBox.Show("Initialize Error: No cabinet assigned." +
"\nThe system cannot recognize a valid cabinet. The program will exit now.", "Initialize Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Close();
}
else
{
// Show the Cabinet Code if load successfully
labelCabinetCode.Text = dbController.CabinetCode;
_isLoaded = true;
}
}
}
else
{
this.Close();
}
}
else
{
// Show the Cabinet Code if load successfully
labelCabinetCode.Text = dbController.CabinetCode;
_isLoaded = true;
}
}
}
