/// <summary>
/// The main form constructor. Initializes UI objects and binds events.
/// </summary>
public fec_Main(SplashScreenForm splashForm)
{
InitializeComponent();
this.Icon = Properties.Resources.fecIcon;
SetupComponents();
// If a database file does not exist, create a new one with empty tables.
if (!File.Exists(DatabaseGenerator.DATABASE_NAME))
{
DatabaseGenerator.GenerateDB();
}
// Setup and format the grid.
SetupDatabaseGrid();
splashForm.Close();
}
static void Main()
{
// Set culture info to US
// This is done so that '.' is used instead of ',' for decimals.
Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
// If a database file does not exist, create a new one with empty tables.
if (!File.Exists(DatabaseProperties.DATABASE_NAME) && !File.Exists(DatabaseProperties.ENCRYPTED_DATABASE_NAME))
{
SplashScreenForm splashForm = new SplashScreenForm();
splashForm.Show();
// Execute startup events so that splash screen images are loaded.
Application.DoEvents();
DatabaseGenerator.GenerateDB();
Application.Run(new fec_Main(splashForm));
}
// If an unencrypted datbase file exists, open the main form.
else if (File.Exists(DatabaseProperties.DATABASE_NAME))
{
SplashScreenForm splashForm = new SplashScreenForm();
splashForm.Show();
// Execute startup events so that splash screen images are loaded.
Application.DoEvents();
Application.Run(new fec_Main(splashForm));
}
// If an encrypted database file exists, prompt the user for a password.
else if (File.Exists(DatabaseProperties.ENCRYPTED_DATABASE_NAME))
{
EnterPasswordForm enterPasswordForm = new EnterPasswordForm();
enterPasswordForm.Show();
Application.Run();
}
}
/// <summary>
/// The main form constructor. Called when the application is opened.
/// Creates a new database if one does not already exist, and setups the
/// database grid and other UI components.
/// </summary>
public fec_Main(SplashScreenForm splashForm)
{
InitializeComponent();
// Set the form icon.
this.Icon = Properties.Resources.fecIcon;
// Set the minimum size of the form.
this.MinimumSize = new Size(820, 561);
oldSize = this.MinimumSize;
// Set global message box style.
MessageBoxAdv.MessageBoxStyle = MessageBoxAdv.Style.Metro;
// Open a stream to the database file to prevent it from being deleted.
DB_LOCK = File.Open(DatabaseProperties.DATABASE_NAME, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
// Verify that the database is not corrupted.
try {
if (DB_LOCK.Length == 0)
{
throw new Exception();
}
DatabaseWorker.CheckIntegrity();
}
catch (Exception) {
// Display error message and force-exit application when message is dismissed.
if (MessageBoxAdv.Show(this, "Unable to open database file.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) == DialogResult.OK)
{
DB_LOCK.Close();
System.Diagnostics.Process.GetCurrentProcess().Kill();
}
}
// Setup and format the grid.
SetupDatabaseGrid();
// Setup some UI components and bind some events.
SetupComponents();
splashForm.Close();
}
static void Main()
{
CultureInfo ci = new CultureInfo("en-US");
Thread.CurrentThread.CurrentCulture = ci;
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
SplashScreenForm splashForm = new SplashScreenForm();
splashForm.Show();
// Execute startup events so that splash screen images are loaded
Application.DoEvents();
// Open main form
Application.Run(new fec_Main(splashForm));
}
/// <summary>
/// If the background worker completed without errors, proceed with displaying the main UI.
/// </summary>
private void DecryptionWorker_WorkCompleted(object sender, System.ComponentModel.RunWorkerCompletedEventArgs e)
{
// If the execution of the background worker was cancelled, hide the progress bar and show an error.
if (e.Cancelled)
{
HideProgressBar();
MessageBoxAdv.Show(this, "Failed to decrypt database.\n\n" + decryptionError, "Error");
return;
}
SplashScreenForm splashForm = new SplashScreenForm();
// Hide this form so that only the splash screen is visible.
this.Hide();
splashForm.Show();
// Execute startup events so that splash screen images are loaded.
Application.DoEvents();
// Release the encrypted database lock.
ENCRYPTED_DB_LOCK.Close();
// Delete the encrypted database file.
File.Delete(DatabaseProperties.ENCRYPTED_DATABASE_NAME);
// Create a secure string from the entered password.
foreach (char c in passwordTextBox.Text)
{
DatabaseProperties.password.AppendChar(c);
}
// Create and display the main form.
fec_Main mainForm = new fec_Main(splashForm);
mainForm.Show();
closed = true;
this.Close();
}
