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:GridLayoutDemo.java

public static void main(String[] args) {

    JFrame.setDefaultLookAndFeelDecorated(true);

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

    JPanel p = new JPanel(new GridLayout(1, 0));
    p.add(createComponent("Component 1"));
    p.add(createComponent("Component 2"));
    p.add(createComponent("Component 3"));
    p.add(createComponent("Component 4"));
    frame.setContentPane(p);/* ww w .  j  a va2  s  .c o  m*/

    //Display the window.
    frame.pack();
    frame.setVisible(true);
}

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From source file:FindingAButtonGroup.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Button Group");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new GridLayout(0, 1));
    Border border = BorderFactory.createTitledBorder("Examples");
    panel.setBorder(border);//from ww  w  . ja v  a2 s  . c  om
    ButtonGroup group = new ButtonGroup();
    AbstractButton abstract1 = new JToggleButton("Toggle Button");
    panel.add(abstract1);
    group.add(abstract1);
    AbstractButton abstract2 = new JRadioButton("Radio Button");
    panel.add(abstract2);
    group.add(abstract2);
    AbstractButton abstract3 = new JCheckBox("Check Box");
    panel.add(abstract3);
    group.add(abstract3);
    AbstractButton abstract4 = new JRadioButtonMenuItem("Radio Button Menu Item");
    panel.add(abstract4);
    group.add(abstract4);
    AbstractButton abstract5 = new JCheckBoxMenuItem("Check Box Menu Item");
    panel.add(abstract5);
    group.add(abstract5);
    frame.add(panel, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.setVisible(true);
    group.setSelected(abstract1.getModel(), true);
    Enumeration elements = group.getElements();
    while (elements.hasMoreElements()) {
        AbstractButton button = (AbstractButton) elements.nextElement();
        if (button.isSelected()) {
            System.out.println("The winner is: " + button.getText());
        }
    }
}

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From source file:Main.java

public static void main(String[] args) {
    JLabel userLabel = new JLabel("User Name");
    JLabel passLabel = new JLabel("Password");
    JTextField userText = new JTextField(20);
    JPasswordField passText = new JPasswordField(20);
    JButton loginButton = new JButton("Login");

    JPanel panel = new JPanel(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();

    gbc.insets = new Insets(4, 4, 4, 4);
    gbc.gridx = 0;// w  w w . j  a v a  2 s.c  om
    gbc.gridy = 0;
    gbc.fill = GridBagConstraints.NONE;
    panel.add(userLabel, gbc);

    gbc.gridx = 1;
    gbc.gridy = 0;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    panel.add(userText, gbc);

    gbc.gridx = 0;
    gbc.gridy = 1;
    gbc.fill = GridBagConstraints.NONE;
    panel.add(passLabel, gbc);

    gbc.gridx = 1;
    gbc.gridy = 1;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    panel.add(passText, gbc);

    gbc.gridx = 0;
    gbc.gridy = 2;
    gbc.fill = GridBagConstraints.NONE;
    gbc.anchor = GridBagConstraints.CENTER;
    gbc.gridwidth = 2;
    panel.add(loginButton, gbc);

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(new JScrollPane(panel));
    f.pack();
    f.setLocationRelativeTo(null);
    f.setVisible(true);
}

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From source file:ASelectedButton.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Radio Buttons");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new GridLayout(0, 1));
    Border border = BorderFactory.createTitledBorder("Options");
    panel.setBorder(border);/*  w  w  w . jav a 2  s  .co  m*/
    final ButtonGroup group = new ButtonGroup();
    AbstractButton abstract1 = new JRadioButton("One");
    panel.add(abstract1);
    group.add(abstract1);
    AbstractButton abstract2 = new JRadioButton("Two");
    panel.add(abstract2);
    group.add(abstract2);
    AbstractButton abstract3 = new JRadioButton("Three");
    panel.add(abstract3);
    group.add(abstract3);
    AbstractButton abstract4 = new JRadioButton("Four");
    panel.add(abstract4);
    group.add(abstract4);
    AbstractButton abstract5 = new JRadioButton("Five");
    panel.add(abstract5);
    group.add(abstract5);
    ActionListener aListener = new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            Enumeration elements = group.getElements();
            while (elements.hasMoreElements()) {
                AbstractButton button = (AbstractButton) elements.nextElement();
                if (button.isSelected()) {
                    System.out.println("The winner is: " + button.getText());
                    break;
                }
            }
            group.setSelected(null, true);
        }
    };
    JToggleButton button = new JToggleButton("Show Selected");
    button.addActionListener(aListener);
    Container container = frame.getContentPane();
    container.add(panel, BorderLayout.CENTER);
    container.add(button, BorderLayout.SOUTH);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    NumberFormat numberFormatGuFalse = NumberFormat.getNumberInstance();
    numberFormatGuFalse.setGroupingUsed(false);
    JFormattedTextField jftFieldGuFalse = new JFormattedTextField(numberFormatGuFalse);

    NumberFormat numberFormatGuTrue = NumberFormat.getNumberInstance();
    // numberFormatGuFalse.setGroupingUsed(true); // not necessary as is default
    JFormattedTextField jftFieldGuTrue = new JFormattedTextField(numberFormatGuTrue);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(jftFieldGuFalse, BorderLayout.NORTH);
    panel.add(jftFieldGuTrue, BorderLayout.SOUTH);

    JFrame frame = new JFrame();
    frame.getContentPane().add(panel);/* w ww.  ja v  a2 s  .  c om*/
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

---

From source file:SettingSelectedAButtonGroup.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Button Group");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new GridLayout(0, 1));
    Border border = BorderFactory.createTitledBorder("Examples");
    panel.setBorder(border);//from  www  .j  a va 2s. c  o  m
    ButtonGroup group = new ButtonGroup();
    AbstractButton abstract1 = new JToggleButton("Toggle Button");
    panel.add(abstract1);
    group.add(abstract1);

    AbstractButton abstract2 = new JRadioButton("Radio Button");
    panel.add(abstract2);
    group.add(abstract2);

    AbstractButton abstract3 = new JCheckBox("Check Box");
    panel.add(abstract3);
    group.add(abstract3);

    AbstractButton abstract4 = new JRadioButtonMenuItem("Radio Button Menu Item");
    panel.add(abstract4);
    group.add(abstract4);

    AbstractButton abstract5 = new JCheckBoxMenuItem("Check Box Menu Item");
    panel.add(abstract5);
    group.add(abstract5);
    frame.add(panel, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.setVisible(true);
    group.setSelected(abstract1.getModel(), true);

    Enumeration elements = group.getElements();
    while (elements.hasMoreElements()) {
        AbstractButton button = (AbstractButton) elements.nextElement();
        if (button.isSelected()) {
            System.out.println("The winner is: " + button.getText());
        }
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    JFrame f = new JFrame(Main.class.getSimpleName());
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    BufferedImage bi = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel(new ImageIcon(bi));
    panel.add(label);// w  ww.ja v  a 2  s  .  c  om
    MouseMotionListener doScrollRectToVisible = new MouseMotionAdapter() {
        @Override
        public void mouseDragged(MouseEvent e) {
            Rectangle r = new Rectangle(e.getX(), e.getY(), 1, 1);
            ((JPanel) e.getSource()).scrollRectToVisible(r);
        }
    };
    panel.addMouseMotionListener(doScrollRectToVisible);

    panel.setAutoscrolls(true);
    f.add(new JScrollPane(panel));
    f.pack();
    f.setSize(f.getWidth() / 2, f.getHeight() / 2);
    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);

    DateFormatSymbols symbols = new DateFormatSymbols(Locale.FRENCH);

    String days[] = symbols.getWeekdays();
    SpinnerModel model1 = new SpinnerListModel(days);
    JSpinner spinner1 = new JSpinner(model1);

    JLabel label1 = new JLabel("French Days/List");
    JPanel panel1 = new JPanel(new BorderLayout());
    panel1.add(label1, BorderLayout.WEST);
    panel1.add(spinner1, BorderLayout.CENTER);
    frame.add(panel1, BorderLayout.NORTH);

    frame.setSize(200, 90);/*from   ww  w .j  av a  2  s. co m*/
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    FlowLayout layout = new FlowLayout(FlowLayout.LEADING, horizontalGap, verticalGap);
    JButton button = new JButton("Discard");
    JLabel[] panels = new JLabel[5];

    JFrame frame = new JFrame("Poker");
    frame.setSize(width, height);//ww  w.j ava 2 s.  c o  m
    frame.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);

    JPanel deckPanel = new JPanel(layout);
    for (int i = 0; i < 5; i++) {
        panels[i] = new JLabel("" + i);
        deckPanel.add(panels[i]);
    }
    frame.getContentPane().add(deckPanel);
    JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
    buttonPanel.add(button);
    frame.getContentPane().add(buttonPanel, BorderLayout.SOUTH);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();

    frame.setVisible(true);
}

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From source file:SpinnerStringsSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("JSpinner Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    DateFormatSymbols symbols = new DateFormatSymbols(Locale.FRENCH);

    String days[] = symbols.getWeekdays();
    SpinnerModel model1 = new SpinnerListModel(days);
    JSpinner spinner1 = new JSpinner(model1);

    JLabel label1 = new JLabel("French Days/List");
    JPanel panel1 = new JPanel(new BorderLayout());
    panel1.add(label1, BorderLayout.WEST);
    panel1.add(spinner1, BorderLayout.CENTER);
    frame.add(panel1, BorderLayout.NORTH);

    frame.setSize(200, 90);/*w  w  w  .  j  a va  2 s  . com*/
    frame.setVisible(true);
}

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