Example usage for javax.swing JPanel JPanel

Introduction

In this page you can find the example usage for javax.swing JPanel JPanel.

Prototype

public JPanel(boolean isDoubleBuffered) 

Source Link

Document

Creates a new JPanel with FlowLayout and the specified buffering strategy.

Usage

From source file:Main.java

public static void main(String args[]) {
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name: ");
    label.setDisplayedMnemonic(KeyEvent.VK_N);
    JTextField textField = new JTextField();
    textField.setHorizontalAlignment(JTextField.CENTER);

    label.setLabelFor(textField);// w w  w.j av  a2 s .c  o  m
    panel.add(label, BorderLayout.WEST);
    panel.add(textField, BorderLayout.CENTER);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.add(panel, BorderLayout.NORTH);
    frame.setSize(250, 150);
    frame.setVisible(true);

}

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From source file:Main.java

public static void main(String[] args) {
    Integer[] numbers = { 1, 2, 3 };
    String[] names = { "A", "B", "C" };
    JComboBox numberCombo = new JComboBox(numbers);
    JComboBox nameCombo = new JComboBox(names);
    JPanel p = new JPanel(new GridLayout(0, 1, 3, 3));
    p.add(numberCombo);/* w  w  w.  ja v  a2  s  .c o m*/
    p.add(nameCombo);

    JOptionPane.showMessageDialog(null, p);

    Integer chosenNumber = (Integer) numberCombo.getSelectedItem();
    System.out.println("Chosen Number: " + chosenNumber);
    String chosenName = (String) nameCombo.getSelectedItem();
    System.out.println("Chosen Name: " + chosenName);
}

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From source file:Main.java

public static void main(String[] args) {
    JPanel gui = new JPanel(new BorderLayout());
    gui.setBorder(new EmptyBorder(2, 3, 2, 3));

    JPanel textPanel = new JPanel(new BorderLayout(5, 5));
    textPanel.add(new JScrollPane(new JTextArea("Top Text", 3, 20)), BorderLayout.PAGE_START);
    textPanel.add(new JScrollPane(new JTextArea("Main Text", 10, 10)));
    gui.add(textPanel, BorderLayout.CENTER);

    JPanel buttonCenter = new JPanel(new GridBagLayout());
    buttonCenter.setBorder(new EmptyBorder(5, 5, 5, 5));
    JPanel buttonPanel = new JPanel(new GridLayout(0, 1, 5, 5));
    for (int ii = 1; ii < 6; ii++) {
        buttonPanel.add(new JButton("Button " + ii));
    }/*www  .  ja v a  2 s .co  m*/

    buttonCenter.add(buttonPanel);

    gui.add(buttonCenter, BorderLayout.LINE_END);

    JFrame f = new JFrame("Demo");
    f.add(gui);

    f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

    f.setLocationByPlatform(true);

    f.pack();

    f.setVisible(true);
}

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From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new BorderLayout());

    JLabel label = new JLabel("Name: ");
    label.setDisplayedMnemonic(KeyEvent.VK_N);

    JTextField textField = new JTextField();
    label.setLabelFor(textField);/*from   w w  w  .j a  va  2s .co m*/

    panel.add(label, BorderLayout.WEST);
    panel.add(textField, BorderLayout.CENTER);
    frame.add(panel, BorderLayout.NORTH);
    frame.add(new JButton("Somewhere Else"), BorderLayout.SOUTH);
    frame.setSize(250, 150);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JTextField account = new JTextField(10);
    JPanel accountPanel = new JPanel(new GridLayout());
    accountPanel.add(account);//from  w  ww  . j  a  va 2 s  .  c  om
    accountPanel.setBorder(new TitledBorder("Account"));

    String[] firstDigitList = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" };

    JLabel firstDigitListLabel = new JLabel("Leading Digit Change");
    JPanel firstDigitListPanel = new JPanel(new BorderLayout(4, 2));
    firstDigitListPanel.add(firstDigitListLabel, BorderLayout.WEST);
    JComboBox firstDigitCombo = new JComboBox(firstDigitList);
    firstDigitListPanel.add(firstDigitCombo);
    firstDigitCombo.setSelectedIndex(0);
    firstDigitListPanel.setBorder(new TitledBorder("LDC"));

    JPanel panel = new JPanel();
    panel.add(accountPanel);
    panel.add(firstDigitListPanel);

    int result = JOptionPane.showConfirmDialog(null, panel, "Please Enter Values",
            JOptionPane.OK_CANCEL_OPTION);
}

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From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel(new BorderLayout());
    final JTree tree = new JTree();
    panel.add(new JScrollPane(tree));
    JButton btn = new JButton("Press Me");
    btn.addActionListener(et -> {/*from  w w w.  java  2 s  .  c o  m*/
        for (Enumeration e = ((TreeNode) tree.getModel().getRoot()).children(); e.hasMoreElements();) {
            TreeNode tn = (TreeNode) e.nextElement();
            tree.expandPath(new TreePath(((DefaultTreeModel) tree.getModel()).getPathToRoot(tn)));
        }
    });
    panel.add(btn, BorderLayout.SOUTH);
    JFrame frame = new JFrame("");
    frame.getContentPane().add(panel);
    frame.setSize(300, 300);
    frame.setLocation(100, 100);
    frame.pack();
    frame.show();
}

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From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Label Focus Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name: ");
    label.setDisplayedMnemonic(KeyEvent.VK_N);
    JTextField textField = new JTextField();
    label.setLabelFor(textField);//ww w .  ja  v  a2  s .com
    panel.add(label, BorderLayout.WEST);
    panel.add(textField, BorderLayout.CENTER);
    frame.add(panel, BorderLayout.NORTH);
    frame.add(new JButton("Somewhere Else"), BorderLayout.SOUTH);
    frame.setSize(250, 150);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    int nb = 4;/*from   w  w  w .  j a v  a  2  s  .c  om*/
    final int frameCount = nb;

    for (int i = 0; i < frameCount; i++) {
        JFrame frame = new JFrame("Frame number " + i);
        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        JPanel p = new JPanel(new BorderLayout());
        p.add(new JLabel("Click on the corner to close..."), BorderLayout.CENTER);
        frame.setContentPane(p);
        frame.setSize(200, 200);
        frame.setLocation(100 + 20 * i, 100 + 20 * i);
        frame.setVisible(true);
    }
}

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From source file:Main.java

public static void main(String[] args) {
    JPanel gui = new JPanel(new BorderLayout());
    gui.setPreferredSize(new Dimension(400, 100));

    JDesktopPane dtp = new JDesktopPane();
    gui.add(dtp, BorderLayout.CENTER);

    JButton newFrame = new JButton("Add Frame");

    ActionListener listener = new ActionListener() {
        private int disp = 10;

        @Override//from w w w  . j  a  v a  2 s  . c o  m
        public void actionPerformed(ActionEvent e) {
            JInternalFrame jif = new JInternalFrame();
            dtp.add(jif);
            jif.setLocation(disp, disp);
            jif.setSize(100, 100);
            disp += 10;
            jif.setVisible(true);
        }
    };
    newFrame.addActionListener(listener);

    gui.add(newFrame, BorderLayout.PAGE_START);

    JFrame f = new JFrame();
    f.add(gui);
    f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    f.setLocationByPlatform(true);

    f.pack();
    f.setVisible(true);
}

---

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Label Focus Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name: ");
    label.setDisplayedMnemonic(KeyEvent.VK_N);
    JTextField textField = new JTextField();
    label.setLabelFor(textField);//  w  w  w .  j a v  a2s . c  o  m
    panel.add(label, BorderLayout.WEST);
    panel.add(textField, BorderLayout.CENTER);
    frame.add(panel, BorderLayout.NORTH);
    frame.setSize(250, 150);
    frame.setVisible(true);

    textField.setText("Loooooooooooooooooooooooooooooooooooooooooooooooooooooooong");
    BoundedRangeModel model = textField.getHorizontalVisibility();
    int extent = model.getExtent();
    textField.setScrollOffset(extent);
    System.out.println("extent:" + extent);

}

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