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LoginScreen.cpp
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LoginScreen.cpp
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#include <QtGui>
#include <QtSql>
#include <QMessageBox>
#include "LoginScreen.h"
#include "ui_LoginScreen.h"
LoginScreen::LoginScreen(QString UserID,QWidget *parent) :
QDialog(parent),
ui(new Ui::LoginScreen)
{
this->UserID=UserID;
ui->setupUi(this);
setWindowState(Qt::WindowFullScreen);
ui->lbWrongPassword->setVisible(false);
if(this->UserID=="")
{
ui->lbLock->setText(tr("Вход в систему"));
}
else
{
ui->lbLock->setText(tr("Система заблокировна"));
ui->btnCancel->setVisible(false);
}
}
LoginScreen::~LoginScreen()
{
delete ui;
}
QString LoginScreen::getUserID()
{
return UserID;
}
bool LoginScreen::checkPassword(QString password)
{
//QMessageBox::information(this,"User",password);
QSqlQuery quUsers;
quUsers.prepare("select UserName,AccessLevel from Users where UserID="":UserID""");
quUsers.bindValue(":UserID",password);
quUsers.exec();
if(quUsers.lastError().isValid())
{
QMessageBox::critical(this,tr("Ошибка"),quUsers.lastError().text());
return false;
}
else
{
if(quUsers.size()==1)
{
UserID = password;
return true;
}
else
{
ui->lbWrongPassword->setVisible(true);
return false;
}
}
}
void LoginScreen::on_btnOk_clicked()
{
if(checkPassword(ui->lePassword->text()))
{
emit accept();
}
}
void LoginScreen::closeEvent(QCloseEvent *event)
{
if(UserID!="")
{
event->ignore();
}
}
void LoginScreen::keyPressEvent(QKeyEvent *event)
{
if((event->key() == Qt::Key_Escape) && (!UserID.isEmpty()) )
{
event->ignore();
}
else
{
QDialog::keyPressEvent(event);
}
}
void LoginScreen::getPasswordFromBarCode(QString password)
{
if(checkPassword(password))
{
emit accept();
}
}
void LoginScreen::on_lePassword_textChanged(const QString)
{
if(ui->lbWrongPassword->isVisible())
{
ui->lbWrongPassword->setVisible(false);
}
}