public MainWindow() {
try {
LoginWindow loginDlg = new LoginWindow(this);
loginDlg.setVisible(true);
final User user;
// if logon fail
if (!loginDlg.ResultLogin()) {
System.exit(0);
} else {
user = loginDlg.getUser();
sessionController.setUser(user);
}
} catch (Exception ex) {
JOptionPane.showMessageDialog(this, ex.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
ex.printStackTrace(System.err);
}
this.initComponents();
this.setJMenuBar(mb);
this.add(mainBar, BorderLayout.NORTH);
this.add(imgPanel, BorderLayout.CENTER);
this.setSize(800, 535);
this.setTitle("Diagnosis Helper");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
// Check if User logged is Administrator
if (sessionController.isAdministrator()) {
mnuMaintenance.setVisible(true);
} else {
mnuMaintenance.setVisible(false);
}
this.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
safeExit();
}
});
}
public void tabloDoldur3() {
try {
Statement st = lwn.dbOpen();
res =
st.executeQuery(
"SELECT S.*, B.kitap_no, B.kitap_ad FROM student S, out_book OB , book B WHERE OB.ogrenci_no = S.ogrenci_no AND OB.kitapno=B.kitap_no");
while (res.next()) {
model3.insertRow(
model3.getRowCount(),
new Object[] {
res.getInt("ogrenci_no"),
res.getString("ogrenci_ad"),
res.getString("ogrenci_soyad"),
res.getString("ogrenci_sinif"),
res.getInt("kitap_no"),
res.getString("kitap_ad")
});
}
lwn.dbClose();
} catch (Exception e) {
JOptionPane.showMessageDialog(null, e.getMessage());
}
}
private void jButton2ActionPerformed(
java.awt.event.ActionEvent evt) { // GEN-FIRST:event_jButton2ActionPerformed
LoginWindow login = new LoginWindow();
login.setVisible(true);
} // GEN-LAST:event_jButton2ActionPerformed
public void saveRecords() {
// String server = jServer.getSelectedItem().toString();
String line, input = "";
String ln = System.getProperty("line.separator");
String dbList = jDBList.getText().replaceAll("\n", ln);
boolean recordExist = false;
File dbFile = new File("database.txt");
// Rewrite the existing file
if (dbFile.exists()) {
// JOptionPane.showMessageDialog(null, dbFile.getName());
// Check whether old records exist
try {
BufferedReader file = new BufferedReader(new FileReader("database.txt"));
try {
while ((line = file.readLine()) != null) {
// if (line.equals("AWS")) {
// input += line + '\n';
// while ((line = file.readLine()) != null &&
// !line.equals("-1"))
input += line + '\n'; // content that needed to be update
recordExist = true;
// } else {
// other += line + '\n'; // unchanged content
// }
}
if (recordExist) { // records exist
// input = server + "\n" + dbList + "\n-1\n";
input = dbList;
input = input.replaceAll("\n", ln);
// other = other.replaceAll("\n", ln);
FileOutputStream File = new FileOutputStream("database.txt");
// File.write((input + other).getBytes());
File.write(input.getBytes());
} else { // no relevent records
try {
JOptionPane.showMessageDialog(null, dbList);
BufferedWriter output = new BufferedWriter(new FileWriter(dbFile, true));
// output.append(server + "\n");
output.append(dbList);
// output.append("-1");
output.close();
} catch (FileNotFoundException ex) {
JOptionPane.showMessageDialog(null, "File could not be found!");
// insert code to run when exception occurs
}
}
} catch (IOException e) {
// To do
}
} catch (FileNotFoundException ex) {
// To do
}
// Create a new file
} else {
try {
// JOptionPane.showMessageDialog(null, "2");
dbFile.createNewFile();
} catch (IOException ex) {
JOptionPane.showMessageDialog(null, "Fail to create a file");
}
// Output to the new file
try {
JOptionPane.showMessageDialog(null, dbList);
PrintWriter printWriter = new PrintWriter(dbFile);
// printWriter.println (server); // First line
printWriter.println(dbList);
// printWriter.println ("-1"); // Last line
printWriter.close();
} catch (FileNotFoundException ex) {
JOptionPane.showMessageDialog(null, "File could not be found!");
// insert code to run when exception occurs
}
}
// dbFile.getParentFile().mkdirs();
if (flag == true) // go back to log in window
L.loadDBList();
dispose();
}
