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

/**
 * Creates a JPanel containing the component hugging the left side
 * @param component the component to wrap
 * @return a JPanel containing the component hugging the left side
 *//*ww w  .ja va 2s .c  o  m*/
public static JPanel hugWest(JComponent component) {
    final JPanel result = new JPanel(new BorderLayout());
    result.add(component, BorderLayout.WEST);
    return result;
}

From source file:Main.java

/**
 * Creates a JPanel containing the component hugging the bottom side
 * @param component the component to wrap
 * @return a JPanel containing the component hugging the bottom side
 *///from w w w  . ja  v  a 2 s. c  om
public static JPanel hugSouth(JComponent component) {
    final JPanel result = new JPanel(new BorderLayout());
    result.add(component, BorderLayout.SOUTH);
    return result;
}

From source file:Main.java

/** 
 * Creates a <code>JPanel</code> containing the given text placed in the
 * center as the only component./*from  w  w  w.j  a  v  a  2  s  . co  m*/
 * @param text - the text to put on the panel
 * @return a JPanel containing only the given text
 */
public static JPanel makeTextPanel(String text) {
    JPanel panel = new JPanel(false);
    JLabel filler = new JLabel(text);
    filler.setHorizontalAlignment(SwingConstants.CENTER);
    panel.setLayout(new GridLayout(1, 1));
    panel.add(filler);
    return panel;
}

From source file:Main.java

static void createFrameAtLocation(Point p) {
    JFrame frame = new JFrame();
    frame.setTitle("Test frame on two screens");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new BorderLayout());
    JTextArea textareaA = new JTextArea(24, 80);
    textareaA.setBorder(BorderFactory.createLineBorder(Color.DARK_GRAY, 1));
    panel.add(textareaA, BorderLayout.CENTER);
    frame.setLocation(p);/*from  ww  w .  ja  v  a2  s  . c  o  m*/
    frame.add(panel);
    frame.pack();
    frame.setExtendedState(Frame.MAXIMIZED_BOTH);
    frame.setVisible(true);
}

From source file:MainClass.java

public static JPanel demo1() {
    JPanel pan = new JPanel(new BorderLayout());
    pan.setBorder(new TitledBorder("change format midstream"));

    MaskFormatter lowercase = null;
    try {/* w w w. ja  v  a2 s  .  c  o m*/
        lowercase = new MaskFormatter("LLLL");
    } catch (ParseException pe) {
    }
    final JFormattedTextField field = new JFormattedTextField(lowercase);
    field.setValue("lower case");
    pan.add(field, BorderLayout.CENTER);

    final JButton change = new JButton("change format");
    JPanel changePanel = new JPanel();
    changePanel.add(change);
    pan.add(changePanel, BorderLayout.SOUTH);

    change.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ae) {
            try {
                field.commitEdit();
                MaskFormatter uppercase = new MaskFormatter("UUUU");
                DefaultFormatterFactory factory = new DefaultFormatterFactory(uppercase);
                field.setFormatterFactory(factory);
                change.setEnabled(false);
            } catch (ParseException pe) {
            }
        }
    });

    return pan;
}

From source file:Main.java

/**
 * Displays a message dialog with given information.
 *///from   www.j  a  v  a  2s.  c  o  m
public static void showInformationDialog(Component component, String message) {
    final JPanel panel = new JPanel(new BorderLayout(5, 5));

    final JLabel messageLabel = new JLabel(message);
    messageLabel.setFont(new Font("Dialog", Font.BOLD, messageLabel.getFont().getSize()));

    panel.add(messageLabel, BorderLayout.CENTER);

    // Adjust stack trace dimensions
    final Dimension screenDimension = Toolkit.getDefaultToolkit().getScreenSize();
    screenDimension.setSize(screenDimension.getWidth() * 0.7, screenDimension.getHeight() * 0.7);
    final Dimension maxStackTraceDimension = new Dimension(500, 500);
    maxStackTraceDimension.setSize(Math.min(maxStackTraceDimension.getWidth(), screenDimension.getWidth()),
            Math.min(maxStackTraceDimension.getHeight(), screenDimension.getHeight()));

    JOptionPane.showMessageDialog(component, panel, "Information", JOptionPane.INFORMATION_MESSAGE);
}

From source file:Main.java

public static JPanel createFlow(final int align, final int gap, final Object... components) {
    final JPanel jp = new JPanel(new FlowLayout(align, gap, gap));
    jp.setBorder(BorderFactory.createEmptyBorder());
    for (final Object component : components) {
        if (component instanceof Component) {
            initComponentHeight((Component) component);
            jp.add((Component) component);
        } else if (component instanceof Number) {
            jp.add(Box.createHorizontalStrut(((Number) component).intValue()));
        }/*w w w.  j a  v a 2 s  . co  m*/
    }
    return jp;
}

From source file:FactoryDemo.java

public static JPanel demo1() {
    // Demo 1: field with different formats with focus and without

    JPanel pan = new JPanel(new BorderLayout());
    pan.setBorder(new TitledBorder("Demo 1: format toggles with focus"));

    MaskFormatter withFocus = null, withoutFocus = null;
    try {//www.  j av a  2 s  .  c om
        withFocus = new MaskFormatter("LLLL");
        withoutFocus = new MaskFormatter("UUUU");
    } catch (ParseException pe) {
    }

    DefaultFormatterFactory factory = new DefaultFormatterFactory(withoutFocus, null, withFocus);

    JFormattedTextField field = new JFormattedTextField(factory);
    field.setValue("Four");
    pan.add(field, BorderLayout.CENTER);

    return pan;
}

From source file:Main.java

/**
 * Put a series of {@link JComponent}s in a {@link JPanel} which has a {@link FlowLayout}.
 *
 * @param position//w w  w.j a  v  a  2s.com
 *         Position of components, left, right, or center justified (for example, {@link
 *         java.awt.FlowLayout#CENTER)}
 * @param opaque
 *         True if the returned JPanel should be opaque
 * @param firstComponent
 *         The first {@link JComponent} to add
 * @param remainingComponents
 *         The rest of the {@link JComponent}s to add
 * @return A {@link JPanel} with a {@link FlowLayout} which contains all the passed {@link JComponent}s.
 */
public static JPanel putComponentsInFlowLayoutPanel(int position, boolean opaque, JComponent firstComponent,
        JComponent... remainingComponents) {
    JPanel flowLayoutPanel = new JPanel(new FlowLayout(position));
    flowLayoutPanel.setOpaque(opaque);
    flowLayoutPanel.add(firstComponent);
    for (JComponent component : remainingComponents) {
        flowLayoutPanel.add(component);
    }
    return flowLayoutPanel;
}

From source file:Main.java

public Main() {
    JPanel bigPanel = new JPanel(new GridBagLayout());
    JPanel panel_a = new JPanel();
    JButton btnA = new JButton("button a");
    panel_a.add(btnA);/* ww w.j av  a  2 s  .  c  o m*/

    JPanel panel_b = new JPanel();
    JButton btnB = new JButton("button b");
    panel_b.add(btnB);

    GridBagConstraints c = new GridBagConstraints();
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.fill = GridBagConstraints.HORIZONTAL;
    c.weightx = 1.0;
    bigPanel.add(panel_a, c);
    bigPanel.add(panel_b, c);
    c.weighty = 1.0;

    bigPanel.add(new JPanel(), c);
    this.add(bigPanel);
}