LoginDialog::LoginDialog(const Connection& connection, QWidget *parent) :
QDialog(parent)
{
// Set the connection to test
currentConnection = connection;
// Regular expressions to check valid user name and input
QRegularExpression userExp("^[[email protected]]{3,15}$");
QRegularExpression passwordExp("^((?=.*[0-9])(?=.*[a-zA-Z])[a-zA-Z0-9!@#$%&*]{6,20})$");
// Initialize the username and password line edits
userNameLine = new QLineEdit(this);
passwordLine = new QLineEdit(this);
// Set up up the validators for the user and password lines
userNameLine->setValidator(new QRegularExpressionValidator(userExp,this));
passwordLine->setValidator(new QRegularExpressionValidator(passwordExp,this));
passwordLine->setEchoMode(QLineEdit::Password);
// Set the password line so that it does not show characters
// passwordLine->setEchoMode(QLineEdit::Password);
// Initialize the labels and set their buddys
userLabel = new QLabel(this);
passwordLabel = new QLabel(this);
userLabel->setText((tr("Username")));
passwordLabel->setText((tr("Password")));
userLabel->setBuddy(userNameLine);
passwordLabel->setBuddy(passwordLine);
// Initialize and set up the buttons
buttonBox = new QDialogButtonBox(this);
buttonBox->addButton(QDialogButtonBox::Ok);
buttonBox->addButton(QDialogButtonBox::Cancel);
buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Login"));
buttonBox->button(QDialogButtonBox::Cancel)->setText(tr("Cancel"));
// Connect the buttons slots and signals
connect(buttonBox->button(QDialogButtonBox::Cancel),SIGNAL(clicked()),this,SLOT(close()));
connect(buttonBox->button(QDialogButtonBox::Ok),SIGNAL(clicked(bool)),this,SLOT(slotAcceptLogin(bool)));
// Now create and set the layout
QGridLayout *formLayout = new QGridLayout(this);
formLayout->addWidget(userLabel,0,0);
formLayout->addWidget(userNameLine,0,1);
formLayout->addWidget(passwordLabel,1,0);
formLayout->addWidget(passwordLine,1,1);
formLayout->addWidget(buttonBox,2,0,1,2);
setLayout(formLayout);
// Set the window title and whether it is modal>
setWindowTitle(tr("User Login"));
setModal(true);
}
void CredentialsValidator::checkPassword(const QString &password) const
{
QRegExp passwordExp("\\S{3,30}");
if(!passwordExp.exactMatch(password))
throw PasswordException("Password didn't match requirements");
}
