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:DateComboBoxRenderer.java

public static void main(String[] str) {
    JComboBox combo = new JComboBox();
    GregorianCalendar calendar = new GregorianCalendar();
    combo.addItem(calendar.getTime());/*from   ww  w .  j  ava 2s .c  o  m*/

    calendar.roll(GregorianCalendar.DAY_OF_MONTH, 1);
    combo.addItem(calendar.getTime());

    combo.setRenderer(new DateComboBoxRenderer());

    JFrame frame = new JFrame();

    JPanel panel = new JPanel();
    panel.add(new JLabel("Date Combo: "));
    panel.add(combo);

    frame.add(panel);
    frame.pack();
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    int SIZE = 14;
    String FONT = "Dialog";

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

    JTextPane tp = new JTextPane();
    tp.setFont(new Font(FONT, Font.PLAIN, SIZE));
    tp.setPreferredSize(new Dimension(400, 300));
    StyledDocument doc = tp.getStyledDocument();
    Style defaultStyle = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);
    Style boldStyle = doc.addStyle("bold", defaultStyle);
    StyleConstants.setBold(boldStyle, true);
    String boldText = "this is bold test";
    String plainText = "this is plain.";

    doc.insertString(doc.getLength(), boldText, boldStyle);
    doc.insertString(doc.getLength(), plainText, defaultStyle);

    JPanel panel = new JPanel();
    panel.add(tp);//w  w w.j  a va  2 s .c om

    JComboBox<String> zoomCombo = new JComboBox<String>(
            new String[] { "0.75", "1.00", "1.50", "1.75", "2.00" });
    zoomCombo.addActionListener(e -> {
        String s = (String) zoomCombo.getSelectedItem();
        double scale = new Double(s).doubleValue();
        int size = (int) (SIZE * scale);
        tp.setFont(new Font(FONT, Font.PLAIN, size));
    });
    zoomCombo.setSelectedItem("1.00");
    JPanel optionsPanel = new JPanel();
    optionsPanel.add(zoomCombo);
    panel.setBackground(Color.WHITE);
    frame.add(panel, BorderLayout.CENTER);
    frame.add(optionsPanel, BorderLayout.NORTH);
    frame.pack();
    frame.setVisible(true);
}

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From source file:ColorAction.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setTitle("SeparateGUITest");
    frame.setSize(300, 200);/*from ww  w  . jav  a 2  s  .com*/
    frame.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);
        }
    });

    JPanel panel = new JPanel();

    Action blueAction = new ColorAction("Blue", new ImageIcon("blue-ball.gif"), Color.blue, panel);
    Action yellowAction = new ColorAction("Yellow", new ImageIcon("yellow-ball.gif"), Color.yellow, panel);
    Action redAction = new ColorAction("Red", new ImageIcon("red-ball.gif"), Color.red, panel);

    panel.add(new JButton(yellowAction));
    panel.add(new JButton(blueAction));
    panel.add(new JButton(redAction));

    panel.registerKeyboardAction(yellowAction, KeyStroke.getKeyStroke(KeyEvent.VK_Y, 0),
            JComponent.WHEN_IN_FOCUSED_WINDOW);
    panel.registerKeyboardAction(blueAction, KeyStroke.getKeyStroke(KeyEvent.VK_B, 0),
            JComponent.WHEN_IN_FOCUSED_WINDOW);
    panel.registerKeyboardAction(redAction, KeyStroke.getKeyStroke(KeyEvent.VK_R, 0),
            JComponent.WHEN_IN_FOCUSED_WINDOW);

    Container contentPane = frame.getContentPane();
    contentPane.add(panel);

    JMenu m = new JMenu("Color");
    m.add(yellowAction);
    m.add(blueAction);
    m.add(redAction);
    JMenuBar mbar = new JMenuBar();
    mbar.add(m);
    frame.setJMenuBar(mbar);

    frame.show();
}

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From source file:ChangeLook.java

public static void main(String args[]) {
    final JFrame frame = new JFrame("Change Look");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            String lafClassName = null;
            lafClassName = actionEvent.getActionCommand();
            String finalLafClassName = lafClassName;
            try {
                UIManager.setLookAndFeel(finalLafClassName);
                SwingUtilities.updateComponentTreeUI(frame);
            } catch (Exception exception) {
                JOptionPane.showMessageDialog(frame, "Can't change look and feel", "Invalid PLAF",
                        JOptionPane.ERROR_MESSAGE);
            }//from w  ww. ja va 2  s .  c  om

        }
    };

    UIManager.LookAndFeelInfo looks[] = UIManager.getInstalledLookAndFeels();

    JComboBox comboBox = new JComboBox(new String[] { "a", "b" });

    JPanel panel = new JPanel();

    for (int i = 0, n = looks.length; i < n; i++) {
        JButton button = new JButton(looks[i].getName());
        button.setActionCommand(looks[i].getClassName());
        button.addActionListener(actionListener);
        panel.add(button);
    }

    frame.add(comboBox, BorderLayout.NORTH);
    frame.add(panel, BorderLayout.SOUTH);
    frame.setSize(350, 150);
    frame.setVisible(true);

}

---

From source file:Main.java

public static void main(String[] args) {
    final JProgressBar progressBar = new JProgressBar(0, 10);

    final CounterTask task = new CounterTask();
    task.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if ("progress".equals(evt.getPropertyName())) {
                progressBar.setValue((Integer) evt.getNewValue());
            }/*from  www  . j av a 2 s  . co  m*/
        }
    });
    JButton startButton = new JButton("Start");
    startButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            task.execute();
        }
    });

    JButton cancelButton = new JButton("Cancel");
    cancelButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            task.cancel(true);
        }
    });

    JPanel buttonPanel = new JPanel();
    buttonPanel.add(startButton);
    buttonPanel.add(cancelButton);

    JPanel cp = new JPanel();
    LayoutManager layout = new BoxLayout(cp, BoxLayout.Y_AXIS);
    cp.setLayout(layout);
    cp.add(buttonPanel);
    cp.add(progressBar);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

---

From source file:org.eclipse.swt.snippets.Snippet337.java

public static void main(String args[]) {
    display = new Display();
    EventQueue.invokeLater(() -> {
        JFrame mainFrame = new JFrame("Main Window");
        mainFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        mainFrame.addWindowListener(new Snippet337.CloseListener());
        JPanel mainPanel = new JPanel();
        mainPanel.setLayout(new FlowLayout());
        JButton launchBrowserButton = new JButton("Launch Browser");
        launchBrowserButton.addActionListener(e -> {
            JFrame childFrame = new JFrame();
            final Canvas canvas = new Canvas();
            childFrame.setSize(850, 650);
            childFrame.getContentPane().add(canvas);
            childFrame.setVisible(true);
            display.asyncExec(() -> {
                Shell shell = SWT_AWT.new_Shell(display, canvas);
                shell.setSize(800, 600);
                Browser browser = new Browser(shell, SWT.NONE);
                browser.setLayoutData(new GridData(GridData.FILL_BOTH));
                browser.setSize(800, 600);
                browser.setUrl("http://www.eclipse.org");
                shell.open();//  w w  w .j a  v a 2  s . c  o m
            });
        });

        mainPanel.add(new JTextField("a JTextField"));
        mainPanel.add(launchBrowserButton);
        mainFrame.getContentPane().add(mainPanel, BorderLayout.CENTER);
        mainFrame.pack();
        mainFrame.setVisible(true);
    });
    display.addListener(SWT.Close, event -> EventQueue.invokeLater(() -> {
        Frame[] frames = Frame.getFrames();
        for (int i = 0; i < frames.length; i++) {
            frames[i].dispose();
        }
    }));
    while (!display.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
}

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From source file:Main.java

public static void main(String[] args) {
    JTextArea textArea = new JTextArea(10, 20);
    final JProgressBar progressBar = new JProgressBar(0, 10);

    final CounterTask task = new CounterTask();
    task.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if ("progress".equals(evt.getPropertyName())) {
                progressBar.setValue((Integer) evt.getNewValue());
            }//from   ww w. ja  va 2 s . c o m
        }
    });
    JButton startButton = new JButton("Start");
    startButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            task.execute();
        }
    });

    JButton cancelButton = new JButton("Cancel");
    cancelButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            task.cancel(true);
        }
    });

    JPanel buttonPanel = new JPanel();
    buttonPanel.add(startButton);
    buttonPanel.add(cancelButton);

    JPanel cp = new JPanel();
    LayoutManager layout = new BoxLayout(cp, BoxLayout.Y_AXIS);
    cp.setLayout(layout);
    cp.add(buttonPanel);
    cp.add(new JScrollPane(textArea));
    cp.add(progressBar);

    JFrame frame = new JFrame("SwingWorker Demo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

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From source file:DisplayMessage.java

public static void main(String[] args) {
    /*/*from w ww. j  a v  a  2 s. com*/
     * Step 1: Create the components
     */
    JLabel msgLabel = new JLabel(); // Component to display the question
    JButton yesButton = new JButton(); // Button for an affirmative response
    JButton noButton = new JButton(); // Button for a negative response

    /*
     * Step 2: Set properties of the components
     */
    msgLabel.setText(args[0]); // The msg to display
    msgLabel.setBorder(new EmptyBorder(10, 10, 10, 10)); // A 10-pixel margin 
    yesButton.setText((args.length >= 2) ? args[1] : "Yes"); // Text for Yes button
    noButton.setText((args.length >= 3) ? args[2] : "No"); // Text for no button

    /*
     * Step 3: Create containers to hold the components
     */
    JFrame win = new JFrame("Message"); // The main application window
    JPanel buttonbox = new JPanel(); // A container for the two buttons

    /*
     * Step 4: Specify LayoutManagers to arrange components in the containers
     */
    win.getContentPane().setLayout(new BorderLayout()); // layout on borders
    buttonbox.setLayout(new FlowLayout()); // layout left-to-right

    /*
     * Step 5: Add components to containers, with optional layout constraints
     */
    buttonbox.add(yesButton); // add yes button to the panel
    buttonbox.add(noButton); // add no button to the panel

    // add JLabel to window, telling the BorderLayout to put it in the middle
    win.getContentPane().add(msgLabel, "Center");

    // add panel to window, telling the BorderLayout to put it at the bottom
    win.getContentPane().add(buttonbox, "South");

    /*
     * Step 6: Arrange to handle events in the user interface.
     */
    yesButton.addActionListener(new ActionListener() { // Note: inner class
        // This method is called when the Yes button is clicked.
        public void actionPerformed(ActionEvent e) {
            System.exit(0);
        }
    });

    noButton.addActionListener(new ActionListener() { // Note: inner class
        // This method is called when the No button is clicked.
        public void actionPerformed(ActionEvent e) {
            System.exit(1);
        }
    });

    /*
     * Step 7: Display the GUI to the user
     */
    win.pack(); // Set the size of the window based its children's sizes.
    win.show(); // Make the window visible.
}

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From source file:com.ohalo.cn.awt.JFreeChartTest.java

public static void main(String[] args) throws Exception {
    JFreeChartTest test = new JFreeChartTest();
    List<JFreeChart> charts = test.printHardDiskCharts();

    JPanel mainPanel = new JPanel();
    JFreeChart chart = charts.get(0);//from w  w  w  .j a va 2  s  . c  om
    JPanel panel = new JPanel();
    panel.setLayout(new BorderLayout());
    ChartPanel chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new Dimension(400, 300));
    panel.add(chartPanel, BorderLayout.CENTER);
    mainPanel.add(panel, new GridBagConstraints(0, 0, 1, 1, 1, 1, GridBagConstraints.CENTER,
            GridBagConstraints.BOTH, new Insets(20, 20, 10, 10), 0, 0));

    chart = charts.get(1);
    panel = new JPanel();
    ChartPanel chartPanel2 = new ChartPanel(chart);
    chartPanel2.setPreferredSize(new Dimension(400, 300));
    panel.setLayout(new BorderLayout());
    panel.add(chartPanel2, BorderLayout.CENTER);
    mainPanel.add(panel, new GridBagConstraints(1, 0, 1, 1, 1, 1, GridBagConstraints.CENTER,
            GridBagConstraints.BOTH, new Insets(10, 10, 10, 10), 0, 0));

    chart = charts.get(2);
    panel = new JPanel();
    ChartPanel chartPanel3 = new ChartPanel(chart);
    chartPanel3.setPreferredSize(new Dimension(400, 300));
    panel.setLayout(new BorderLayout());
    panel.add(chartPanel3, BorderLayout.CENTER);
    mainPanel.add(panel, new GridBagConstraints(1, 0, 1, 1, 1, 1, GridBagConstraints.CENTER,
            GridBagConstraints.BOTH, new Insets(10, 10, 10, 10), 0, 0));

    chart = charts.get(3);
    panel = new JPanel();
    ChartPanel chartPanel4 = new ChartPanel(chart);
    chartPanel4.setPreferredSize(new Dimension(400, 300));
    panel.setLayout(new BorderLayout());
    panel.add(chartPanel4, BorderLayout.CENTER);

    mainPanel.add(panel, new GridBagConstraints(1, 1, 1, 1, 1, 1, GridBagConstraints.CENTER,
            GridBagConstraints.BOTH, new Insets(10, 10, 20, 20), 0, 0));

    JDialog dialog = new JDialog(new JFrame(), true);
    dialog.setTitle("?");
    dialog.setSize(850, 650);
    dialog.getContentPane().add(mainPanel);
    dialog.setVisible(true);
}

---

From source file:MainClass.java

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

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            Object source = actionEvent.getSource();
            String lafClassName = null;
            if (source instanceof JComboBox) {
                JComboBox comboBox = (JComboBox) source;
                lafClassName = (String) comboBox.getSelectedItem();
            } else if (source instanceof JButton) {
                lafClassName = actionEvent.getActionCommand();
            }// www  . ja  v a 2s.c o m
            if (lafClassName != null) {
                final String finalLafClassName = lafClassName;
                try {
                    UIManager.setLookAndFeel(finalLafClassName);
                    SwingUtilities.updateComponentTreeUI(frame);
                } catch (Exception exception) {
                    JOptionPane.showMessageDialog(frame, "Can't change look and feel", "Invalid PLAF",
                            JOptionPane.ERROR_MESSAGE);
                }
            }
        }
    };

    UIManager.LookAndFeelInfo looks[] = UIManager.getInstalledLookAndFeels();

    DefaultComboBoxModel model = new DefaultComboBoxModel();
    JComboBox comboBox = new JComboBox(model);

    JPanel panel = new JPanel();

    for (int i = 0, n = looks.length; i < n; i++) {
        JButton button = new JButton(looks[i].getName());
        model.addElement(looks[i].getClassName());
        button.setActionCommand(looks[i].getClassName());
        button.addActionListener(actionListener);
        panel.add(button);
    }

    comboBox.addActionListener(actionListener);

    frame.add(comboBox, BorderLayout.NORTH);
    frame.add(panel, BorderLayout.SOUTH);
    frame.setSize(350, 150);
    frame.setVisible(true);
}

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