public static Login getInstance()
{
if(instance == null)
{
instance = new Login();
instance.FormClosed += delegate { instance = null; };
}
return instance;
}
private void okButtonLoginForm_Click(object sender, EventArgs e)
{
string username = textBoxUserLoginForm.Text;
string password = textBoxPasswordLoginForm.Text;
/*Here goes the validation*/
if (username == "" || password == "")
{
MessageBox.Show("Please input all requested info");
return;
}
List<User> userList = userDao.getAllUserData();
bool found = false;
foreach(User user in userList)
{
if (user.username == username && user.password == password)
{
/*we place the current user's object into a global variable of type User, so we can access it from all the forms*/
Globals.currentUser = user;
found = true;
break;
}
}
/*in case the user is not found*/
if(found==false)
{
MessageBox.Show("Unknown username or wrong password.");
return;
}
/*change the text of comboBox at the main form, by adding the username*/
//FormCollection forms = Application.OpenForms;
/*Done the job and now fires the event closes*/
OnUserLoggedIn();
MessageBox.Show("Successful login!");
instance = null;
this.Close();
}