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() 

Source Link

Document

Creates a new JPanel with a double buffer and a flow layout.

Usage

From source file:Main.java

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

    String labels[] = { "--", "----", "--------", "------------" };

    JPanel container = new JPanel();
    BoxLayout layout = new BoxLayout(container, BoxLayout.Y_AXIS);
    System.out.println(layout.minimumLayoutSize(container));
    container.setLayout(layout);/*w  w  w. jav  a2 s  .com*/

    for (int i = 0; i < labels.length; i++) {
        JButton button = new JButton(labels[i]);
        container.add(button);
    }

    frame.add(container, BorderLayout.CENTER);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:Main.java

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

    String labels[] = { "--", "----", "--------", "------------" };

    JPanel container = new JPanel();
    BoxLayout layout = new BoxLayout(container, BoxLayout.Y_AXIS);
    System.out.println(layout.maximumLayoutSize(container));
    container.setLayout(layout);/*from ww  w  . ja  va 2 s  . c  o  m*/

    for (int i = 0; i < labels.length; i++) {
        JButton button = new JButton(labels[i]);
        container.add(button);
    }

    frame.add(container, BorderLayout.CENTER);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

---

From source file:Main.java

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

    String labels[] = { "--", "----", "--------", "------------" };

    JPanel container = new JPanel();
    BoxLayout layout = new BoxLayout(container, BoxLayout.Y_AXIS);
    System.out.println(layout.getAxis() == BoxLayout.Y_AXIS);
    container.setLayout(layout);//from w w  w.j ava 2 s .co  m

    for (int i = 0; i < labels.length; i++) {
        JButton button = new JButton(labels[i]);
        container.add(button);
    }

    frame.add(container, BorderLayout.CENTER);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    JPanel panel1 = new JPanel();
    JPanel panel2 = new JPanel();

    JButton button = new JButton();

    Main f = null;/* w ww.  j  a  v a2  s  .  com*/
    f = new Main();

    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(700, 400);

    panel1.setLayout(new BorderLayout());
    panel1.setForeground(Color.white);
    button.setText("Convert");
    panel1.add(button, BorderLayout.SOUTH);

    f.setContentPane(panel1);
    f.setVisible(true);

    f1 = new Main();

    f1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f1.setSize(457, 100);
    f1.setTitle("Conversion Progress");
    f1.setLocationRelativeTo(null);

    panel2.setLayout(new BorderLayout());
    panel2.setForeground(Color.white);

    JProgressBar progressBar = new JProgressBar();
    progressBar.setValue(35);
    progressBar.setStringPainted(true);

    panel2.add(progressBar, BorderLayout.SOUTH);

    f1.setContentPane(panel2);

    button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            f1.setVisible(true);
        }
    });
}

---

From source file:Main.java

public static final void main(String[] args) {
    JFrame frame = new JFrame();

    JPanel mainPanel = new JPanel();
    JPanel buttonsPanel = new JPanel();
    frame.add(mainPanel);//from  w  ww  .j  a  va2 s. c o m
    frame.add(buttonsPanel, BorderLayout.SOUTH);

    String[] options = { "S", "G", "I", "T" };

    JComboBox comboBox = new JComboBox(options);
    comboBox.setRenderer(new MyComboBoxRenderer("COUNTRY"));
    comboBox.setSelectedIndex(-1);
    mainPanel.add(comboBox);

    JButton clearSelectionButton = new JButton("Clear selection");
    clearSelectionButton.addActionListener(e -> {
        comboBox.setSelectedIndex(-1);
    });
    buttonsPanel.add(clearSelectionButton);

    frame.pack();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

---

From source file:MainClass.java

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

    String labels[] = { "--", "----", "--------", "------------" };

    JPanel container = new JPanel();
    BoxLayout layout = new BoxLayout(container, BoxLayout.Y_AXIS);
    container.setLayout(layout);/*  ww w  . j  a v  a 2s  . c o  m*/

    for (int i = 0; i < labels.length; i++) {
        JButton button = new JButton(labels[i]);
        container.add(button);
    }

    frame.add(container, BorderLayout.CENTER);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    JTabbedPane tabbedPane;//from www.jav  a  2  s  . c o m
    JTextField txtFoo = new JTextField(10);
    JPanel pnlFoo = new JPanel();
    pnlFoo.add(new JButton("Button 1"));
    pnlFoo.add(new JLabel("Foo"));
    pnlFoo.add(txtFoo);

    JTextField txtBar = new JTextField(10);
    JPanel pnlBar = new JPanel();
    pnlBar.add(new JButton("Button 3"));
    pnlBar.add(new JLabel("Bar"));
    pnlBar.add(txtBar);

    tabbedPane = new JTabbedPane();
    tabbedPane.addTab("Tab 1", pnlFoo);
    tabbedPane.addTab("Tab 2", pnlBar);

    tabbedPane.addChangeListener(e -> {
        Component comp = tabbedPane.getSelectedComponent();
        if (comp.equals(pnlFoo)) {
            txtFoo.requestFocusInWindow();
        } else if (comp.equals(pnlBar)) {
            txtBar.requestFocusInWindow();
        }
    });

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(460, 200);
    frame.getContentPane().add(tabbedPane, BorderLayout.CENTER);
    frame.setVisible(true);

    txtFoo.requestFocusInWindow();
}

---

From source file:Main.java

public static void main(String... args) {
    JPanel contentPane;/*from w w w  .java2  s  .  co m*/
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    contentPane = new JPanel();
    contentPane.setLayout(new GridBagLayout());

    JPanel centerPanel = new JPanel();
    centerPanel.setOpaque(true);
    centerPanel.setBackground(Color.CYAN);

    GridBagConstraints gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.FIRST_LINE_START;
    gbc.weightx = 1.0;
    gbc.weighty = 0.9;
    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.gridwidth = 2;
    gbc.fill = GridBagConstraints.BOTH;

    contentPane.add(centerPanel, gbc);

    JButton leftButton = new JButton("Left");
    JButton rightButton = new JButton("Right");
    gbc.gridwidth = 1;
    gbc.gridy = 1;
    gbc.weightx = 0.3;
    gbc.weighty = 0.1;

    contentPane.add(leftButton, gbc);

    gbc.gridx = 1;
    gbc.weightx = 0.7;
    gbc.weighty = 0.1;

    contentPane.add(rightButton, gbc);

    frame.setContentPane(contentPane);
    frame.pack();
    frame.setLocationByPlatform(true);
    frame.setVisible(true);

}

---

From source file:Main.java

public static void main(String[] args) {
    String[] items = { "item1", "item2", "item1" };
    JList<String> list = new JList<>(items);
    JTextField output = new JTextField(15);
    JPanel gui = new JPanel();
    gui.add(list);/*from  w w  w .  j a  v a 2 s  . c  o m*/
    gui.add(output);
    list.addListSelectionListener(new ListSelectionListener() {
        public void valueChanged(ListSelectionEvent lse) {
            int index = list.getSelectedIndex();
            String outputText = "Index: " + index + "  Value: " + items[index];
            output.setText(outputText);
        }
    });
    JOptionPane.showMessageDialog(null, gui);
}

---

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setResizable(false);//  w  ww .  j a  v  a  2s.  co  m
    frame.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));

    JPanel navigation_panel_wrap = new JPanel() {
        @Override
        public Dimension getPreferredSize() {
            return new Dimension(250, 700);
        }
    };
    JPanel content_panel_wrap = new JPanel() {
        @Override
        public Dimension getPreferredSize() {
            return new Dimension(750, 700);
        }
    };

    content_panel_wrap.setBackground(Color.green);
    navigation_panel_wrap.setBackground(Color.red);

    frame.add(navigation_panel_wrap);
    frame.add(content_panel_wrap);
    frame.pack();
    frame.setVisible(true);

}

---

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