Example usage for javax.swing JPanel JPanel

List of usage examples 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[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel outerPanel = new JPanel(new BorderLayout());
    JPanel topPanel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name:");
    JTextField text = new JTextField();
    topPanel.add(label, BorderLayout.BEFORE_LINE_BEGINS);
    topPanel.add(text, BorderLayout.CENTER);
    outerPanel.add(topPanel, BorderLayout.AFTER_LAST_LINE);

    frame.add(outerPanel);/*from  w  w  w .  j a  va  2  s  .  c o m*/
    frame.setSize(300, 200);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String args[]) {
    Main t = new Main();

    JPanel mainPanel = new JPanel(new BorderLayout());

    JLabel l = new JLabel("hello world");
    l.setOpaque(true);/*w  w  w . j  a  va 2  s  .c  o  m*/
    l.setBackground(Color.RED);

    JPanel extraPanel = new JPanel(new FlowLayout());
    l.setPreferredSize(new Dimension(100, 100));
    extraPanel.setBackground(Color.GREEN);

    extraPanel.add(l);

    mainPanel.add(extraPanel, BorderLayout.CENTER);

    t.setContentPane(mainPanel);

    t.setDefaultCloseOperation(EXIT_ON_CLOSE);
    t.setSize(400, 200);
    t.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel gui = new JPanel(new BorderLayout(2, 2));
    BufferedImage bi = new BufferedImage(600, 200, BufferedImage.TYPE_INT_RGB);
    gui.add(new JLabel(new ImageIcon(bi)));

    JFrame myframe = new JFrame();
    JPanel myPanel = new JPanel();
    gui.add(myPanel, BorderLayout.PAGE_END);
    myPanel.setLayout(new GridLayout(2, 0, 0, 0));

    int x = 0;//from w  ww.jav a2  s .  c  o  m
    int y = 5;

    for (char alphabet = 'A'; alphabet <= 'Z'; alphabet++) {
        myPanel.add(new JButton(alphabet + ""));
        x++;
        if (x > 15) {
            y = 6;
            x = 0;
        }
    }
    myframe.add(gui);
    myframe.pack();
    myframe.setVisible(true);

    myframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel(new BorderLayout());
    String[] values = new String[] { "One", "Two", "Three" };
    JComboBox<String> comboBox = new JComboBox<>(values);
    panel.add(comboBox, BorderLayout.NORTH);
    JTextArea textArea = new JTextArea(2, 2);
    panel.add(textArea, BorderLayout.CENTER);
    JButton button = new JButton("Action");
    button.addActionListener(new ActionListener() {
        @Override/*from  ww w. j  av  a  2  s  . c  om*/
        public void actionPerformed(ActionEvent e) {
            textArea.setText((String) comboBox.getSelectedItem());
            comboBox.setSelectedIndex(0);
        }
    });
    panel.add(button, BorderLayout.SOUTH);
    JFrame frame = new JFrame();
    frame.add(panel);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

From source file:MainFrameBorderLayout.java

public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel outerPanel = new JPanel(new BorderLayout());
    JPanel topPanel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Name:");
    JTextField text = new JTextField();
    topPanel.add(label, BorderLayout.BEFORE_LINE_BEGINS);
    topPanel.add(text, BorderLayout.CENTER);
    outerPanel.add(topPanel, BorderLayout.BEFORE_FIRST_LINE);

    frame.add(outerPanel);//from  ww  w. j  a va 2s. c  om
    frame.setSize(300, 200);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {

    JPanel ui = new JPanel(new BorderLayout(2, 2));
    ui.setBorder(new EmptyBorder(4, 4, 4, 4));

    JPanel controls = new JPanel(new BorderLayout(2, 2));
    ui.add(controls, BorderLayout.PAGE_START);
    String s = new String(Character.toChars(8594));
    String[] items = { "Choice: right " + s + " arrow" };
    JComboBox cb = new JComboBox(items);
    controls.add(cb, BorderLayout.CENTER);
    controls.add(new JButton("Button"), BorderLayout.LINE_END);

    JSplitPane sp = new JSplitPane(JSplitPane.VERTICAL_SPLIT, new JTextArea(4, 40), new JTextArea(4, 40));

    ui.add(sp, BorderLayout.CENTER);

    JFrame f = new JFrame("Stretch Combo Layout");
    f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    f.setContentPane(ui);//ww  w  .  j  a v a2s  .  c om
    f.pack();
    f.setLocationByPlatform(true);
    f.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel(new GridBagLayout());
    for (int i = 0; i < 25; i++) {
        JTextField field = new JTextField("Field " + i, 20);
        GridBagConstraints constraints = new GridBagConstraints();
        constraints.gridy = i;//from  w  w  w  .j a v a 2s  .c o  m
        panel.add(field, constraints);
    }
    JScrollPane scrollPane = new JScrollPane(panel);
    JButton removeButton = new JButton("Remove Field");
    removeButton.addActionListener(e -> {
        if (panel.getComponentCount() >= 1) {
            panel.remove(panel.getComponentCount() - 1);
            scrollPane.revalidate();
            scrollPane.repaint();
        }
    });
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(640, 480);
    f.setLocation(200, 200);
    f.getContentPane().add(scrollPane);
    f.getContentPane().add(removeButton, BorderLayout.SOUTH);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    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  .  ja  va2 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.add(new JButton("Somewhere Else"), BorderLayout.SOUTH);
    frame.setSize(250, 150);
    frame.setVisible(true);

    textField.setText("your text");
    String filename = "test.txt";

    FileWriter writer = new FileWriter(filename);
    textField.write(writer);
    writer.close();

}

From source file:Main.java

public static void main(String[] args) {
    int specificX = 40;
    int specificY = 20;

    JPanel gui = new JPanel(new BorderLayout());
    JTextField tf = new JTextField(10);
    JPanel borderPanel = new JPanel(new GridLayout());
    borderPanel.add(tf);//from  w  ww. j  a  v a2s .com
    borderPanel.setBorder(new EmptyBorder(specificX, specificY, specificX, specificY));
    borderPanel.setBackground(Color.GREEN);
    gui.add(borderPanel);

    JOptionPane.showMessageDialog(null, gui);

}

From source file:Main.java

public static void main(String[] args) {
    Image image = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
    JPanel gui = new JPanel(new BorderLayout());

    JLabel clouds = new JLabel(new ImageIcon(new BufferedImage(250, 100, BufferedImage.TYPE_INT_RGB)));
    gui.add(clouds);// w w w.  j a  va  2s . c o m

    JOptionPane.showConfirmDialog(null, gui, "Title", JOptionPane.OK_CANCEL_OPTION,
            JOptionPane.QUESTION_MESSAGE, new ImageIcon(image));
}