GUI not displaying correctly when called

Question

Within my Main class, within it's main method, I have this code:

LogRegGUI mainMenu = new LogRegGUI();
mainMenu.setVisible(true);

LogRegGUI constructor:

public LogRegGUI() {
    initComponents();
}

LogRegGUI is my GUI class. My GUI displays perfectly when I right click the class and select Run.

When I run my whole program, and main is invoked, the GUI format is slightly incorrect (colour mismatch and buttons are not displayed correctly).

What am I doing wrong?

Extra info:

Netbeans 7.3 Beta 2
Mac OS X Mountain Lion
Java Swing

LogRegGUI code:

package com.john.spp.view;
import java.sql.ResultSet;
import java.sql.Statement;

public class LogRegGUI extends javax.swing.JFrame {

/**
 * Creates new form LoginGUI
 */
public LogRegGUI() {
    initComponents();
}

/**
 * This method is called from within the constructor to initialize the form.
 * WARNING: Do NOT modify this code. The content of this method is always
 * regenerated by the Form Editor.
 */
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {

    jScrollPane1 = new javax.swing.JScrollPane();
    jEditorPane1 = new javax.swing.JEditorPane();
    jPanel1 = new javax.swing.JPanel();
    settingsButton = new javax.swing.JButton();
    helpButton = new javax.swing.JButton();
    logoutButton = new javax.swing.JButton();
    dataVaultButton = new javax.swing.JButton();
    jPanel2 = new javax.swing.JPanel();
    loginButton = new javax.swing.JButton();
    registerButton = new javax.swing.JButton();
    jLabel3 = new javax.swing.JLabel();

    jScrollPane1.setViewportView(jEditorPane1);

    setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
    setBackground(new java.awt.Color(0, 0, 0));
    setResizable(false);

    jPanel1.setBackground(new java.awt.Color(255, 255, 255));
    jPanel1.setPreferredSize(new java.awt.Dimension(748, 134));

    settingsButton.setText("Settings");
    settingsButton.setEnabled(false);
    settingsButton.setFocusPainted(false);

    helpButton.setText("Help");
    helpButton.setFocusPainted(false);

    logoutButton.setText("Logout");
    logoutButton.setEnabled(false);
    logoutButton.setFocusPainted(false);

    dataVaultButton.setText("Data Vault");
    dataVaultButton.setEnabled(false);
    dataVaultButton.setFocusPainted(false);

    org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
    jPanel1.setLayout(jPanel1Layout);
    jPanel1Layout.setHorizontalGroup(
        jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
        .add(jPanel1Layout.createSequentialGroup()
            .add(12, 12, 12)
            .add(dataVaultButton, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 172, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
            .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
            .add(settingsButton, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 172, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
            .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
            .add(helpButton, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 172, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
            .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
            .add(logoutButton, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 172, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
            .addContainerGap(12, Short.MAX_VALUE))
    );
    jPanel1Layout.setVerticalGroup(
        jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
        .add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel1Layout.createSequentialGroup()
            .addContainerGap()
            .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
                .add(settingsButton, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 122, Short.MAX_VALUE)
                .add(helpButton, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .add(logoutButton, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .add(org.jdesktop.layout.GroupLayout.LEADING, dataVaultButton, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            .addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
    );

    jPanel2.setBackground(new java.awt.Color(255, 255, 255));
    jPanel2.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
    jPanel2.setForeground(new java.awt.Color(255, 255, 255));

    loginButton.setText("Login");
    loginButton.setFocusPainted(false);
    loginButton.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(java.awt.event.ActionEvent evt) {
            loginButtonSceneActionPerformed(evt);
        }
    });

    registerButton.setText("Register");
    registerButton.setFocusPainted(false);
    registerButton.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(java.awt.event.ActionEvent evt) {
            registerSceneButtonActionPerformed(evt);
        }
    });

    org.jdesktop.layout.GroupLayout jPanel2Layout = new org.jdesktop.layout.GroupLayout(jPanel2);
    jPanel2.setLayout(jPanel2Layout);
    jPanel2Layout.setHorizontalGroup(
        jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
        .add(0, 385, Short.MAX_VALUE)
        .add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel2Layout.createSequentialGroup()
                .add(14, 14, 14)
                .add(loginButton, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 172, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
                .add(registerButton, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 172, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(15, Short.MAX_VALUE)))
    );
    jPanel2Layout.setVerticalGroup(
        jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
        .add(0, 306, Short.MAX_VALUE)
        .add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel2Layout.createSequentialGroup()
                .add(92, 92, 92)
                .add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
                    .add(loginButton, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 122, Short.MAX_VALUE)
                    .add(registerButton, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap(92, Short.MAX_VALUE)))
    );

    jLabel3.setFont(new java.awt.Font("Calibri", 1, 24)); // NOI18N
    jLabel3.setText("SPARTAN PASSWORD PROTECTOR");

    org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
    getContentPane().setLayout(layout);
    layout.setHorizontalGroup(
        layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
        .add(layout.createSequentialGroup()
            .add(jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
            .add(0, 0, Short.MAX_VALUE))
        .add(layout.createSequentialGroup()
            .add(176, 176, 176)
            .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.CENTER)
                .add(jLabel3)
                .add(jPanel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
            .addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
    );
    layout.setVerticalGroup(
        layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
        .add(layout.createSequentialGroup()
            .add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
            .add(18, 18, 18)
            .add(jLabel3)
            .add(18, 18, 18)
            .add(jPanel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
            .addContainerGap(52, Short.MAX_VALUE))
    );

    pack();
}// </editor-fold>

private void loginButtonSceneActionPerformed(java.awt.event.ActionEvent evt) {
    LoginGUI itemloader = new LoginGUI();
    itemloader.setVisible(true);
    this.setVisible(false);  
}

private void registerSceneButtonActionPerformed(java.awt.event.ActionEvent evt) {
    RegisterGUI itemloader = new RegisterGUI();
    itemloader.setVisible(true);
    this.setVisible(false);
}

/**
 * @param args the command line arguments
 */
public static void main(String args[]) {
    /* Set the Nimbus look and feel */
    //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
    /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
     * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
     */
    try {
        for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
            if ("Nimbus".equals(info.getName())) {
                javax.swing.UIManager.setLookAndFeel(info.getClassName());
                break;
            }
        }
    } catch (ClassNotFoundException ex) {
        java.util.logging.Logger.getLogger(LogRegGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (InstantiationException ex) {
        java.util.logging.Logger.getLogger(LogRegGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (IllegalAccessException ex) {
        java.util.logging.Logger.getLogger(LogRegGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (javax.swing.UnsupportedLookAndFeelException ex) {
        java.util.logging.Logger.getLogger(LogRegGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    }
    //</editor-fold>

    /* Create and display the form */
    java.awt.EventQueue.invokeLater(new Runnable() {
        public void run() {
            new LogRegGUI().setVisible(true);
        }
    });
}
// Variables declaration - do not modify
private javax.swing.JButton dataVaultButton;
private javax.swing.JButton helpButton;
private javax.swing.JEditorPane jEditorPane1;
private javax.swing.JLabel jLabel3;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JButton loginButton;
private javax.swing.JButton logoutButton;
private javax.swing.JButton registerButton;
private javax.swing.JButton settingsButton;
// End of variables declaration
}

Sure, it was created using Netbean's GUI builder - should I include that or leave it minimised? — John Vasiliou
– John Vasiliou, Commented Feb 5, 2013 at 1:10
Then that's your problem. Dump the NetBeans-generated code, code it up by hand, and you'll have much greater ease creating and updating your Swing GUI programs. — Hovercraft Full Of Eels
– Hovercraft Full Of Eels, Commented Feb 5, 2013 at 1:12
@HovercraftFullOfEels But still, it should work fine. Who knows, more code is needed. — Branislav Lazic
– Branislav Lazic, Commented Feb 5, 2013 at 1:13
Without pertinent code, your problem is anyone's guess. Since much of the pertinent code is buried in NetBean's generated code bloat, good luck isolating and posting it here. Consider checking to see if the Look and Feel is different in either code base. — Hovercraft Full Of Eels
– Hovercraft Full Of Eels, Commented Feb 5, 2013 at 1:15

Hovercraft Full Of Eels · Accepted Answer · 2013-02-05 01:26:03Z

3

Again just a guess, but does the other code base that tries to display your LogRegGUI GUI also use the Nimbus look and feel? Is the look and feel set before creating any GUI components in that class as well? That's my guess as to your problem.

answered Feb 5, 2013 at 1:26

Hovercraft Full Of Eels

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4 Comments

John Vasiliou Over a year ago

I honestly have no idea - what you're asking is beyond my expertise. The code which creates the GUI, from my main method, is in my question. That is all I am using to call the GUI. All other GUI code is also present in my answer. How can I rectify the issue you speak of?

Hovercraft Full Of Eels Over a year ago

@JohnVasiliou: that code is not enough to solve your problem. All you have to do is search the other code base and see if it sets the look and feel as your code above does. If it doesn't then try to do so yourself. Consider borrowing the code above as an attempt, but do so off of the Swing thread and before starting the Swing thread (as is shown in your code above). You really need to read some of the Swing tutorials soon else you'll be flying blind.

John Vasiliou Over a year ago

OK - thanks a lot. I will have a read tomorrow and try implementing some stuff. I'll be back with my findings tomorrow.

John Vasiliou Over a year ago

Copied and pasted the try catch for nimbus into my main, just before I create a new instance of my GUI - it fixed my problem. I understand what it is for too - thanks a lot for your help.

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