Example usage for java.awt BorderLayout CENTER

Introduction

In this page you can find the example usage for java.awt BorderLayout CENTER.

Prototype

String CENTER

To view the source code for java.awt BorderLayout CENTER.

Click Source Link

Document

The center layout constraint (middle of container).

Usage

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 w  w w.  j  a  v a  2  s .co 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());
        }
    }
}

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    JFrame frame = new JFrame("Property Split");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);

    splitPane.setTopComponent(new JLabel("www.java2s.com"));

    splitPane.setBottomComponent(new JLabel("www.java2s.com"));

    PropertyChangeListener propertyChangeListener = new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent changeEvent) {
            JSplitPane sourceSplitPane = (JSplitPane) changeEvent.getSource();
            String propertyName = changeEvent.getPropertyName();
            if (propertyName.equals(JSplitPane.LAST_DIVIDER_LOCATION_PROPERTY)) {
                int current = sourceSplitPane.getDividerLocation();
                System.out.println("Current: " + current);
                Integer last = (Integer) changeEvent.getNewValue();
                System.out.println("Last: " + last);
                Integer priorLast = (Integer) changeEvent.getOldValue();
                System.out.println("Prior last: " + priorLast);
            }/*from   www  . ja  v  a2s.c om*/
        }
    };

    // Attach listener
    splitPane.addPropertyChangeListener(propertyChangeListener);

    frame.add(splitPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

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From source file:InternalFrameIconifyListener.java

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

    JDesktopPane desktop = new JDesktopPane();
    JInternalFrame internalFrame = new JInternalFrame("Can Do All", true, true, true, true);

    InternalFrameListener internalFrameListener = new InternalFrameIconifyListener();

    //     Add listener for iconification events
    internalFrame.addInternalFrameListener(internalFrameListener);

    desktop.add(internalFrame);/*from   w ww  .  j  a  v a  2 s .c om*/

    internalFrame.setBounds(25, 25, 200, 100);

    JLabel label = new JLabel(internalFrame.getTitle(), JLabel.CENTER);
    internalFrame.add(label, BorderLayout.CENTER);

    internalFrame.setVisible(true);

    frame.add(desktop, BorderLayout.CENTER);
    frame.setSize(500, 300);
    frame.setVisible(true);
}

---

From source file:MainClass.java

public static void main(String args[]) {
    String rows[][] = { { "A", "a" }, { "B", "b" }, { "E", "e" } };
    String headers[] = { "Upper", "Lower" };

    JFrame frame = new JFrame("Label Header");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTable table = new JTable(rows, headers);
    JScrollPane scrollPane = new JScrollPane(table);

    Border headerBorder = UIManager.getBorder("TableHeader.cellBorder");

    JLabel headerLabel1 = new JLabel(headers[0], JLabel.CENTER);
    headerLabel1.setBorder(headerBorder);
    JLabel headerLabel2 = new JLabel(headers[1], JLabel.CENTER);
    headerLabel2.setBorder(headerBorder);

    TableCellRenderer renderer = new JComponentTableCellRenderer();

    TableColumnModel columnModel = table.getColumnModel();

    TableColumn column0 = columnModel.getColumn(0);
    TableColumn column1 = columnModel.getColumn(1);

    column0.setHeaderRenderer(renderer);
    column0.setHeaderValue(headerLabel1);

    column1.setHeaderRenderer(renderer);
    column1.setHeaderValue(headerLabel2);

    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);//from  w  w w .j  a v  a 2  s . com
    frame.setVisible(true);
}

---

From source file:ResizeTable.java

public static void main(String args[]) {

    final Object rowData[][] = { { "1", "one", "I" }, { "2", "two", "II" }, { "3", "three", "III" } };
    final String columnNames[] = { "#", "English", "Roman" };

    final JTable table = new JTable(rowData, columnNames);
    JScrollPane scrollPane = new JScrollPane(table);

    String modes[] = { "Resize All Columns", "Resize Last Column", "Resize Next Column", "Resize Off",
            "Resize Subsequent Columns" };

    final int modeKey[] = { JTable.AUTO_RESIZE_ALL_COLUMNS, JTable.AUTO_RESIZE_LAST_COLUMN,
            JTable.AUTO_RESIZE_NEXT_COLUMN, JTable.AUTO_RESIZE_OFF, JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS };

    JComboBox resizeModeComboBox = new JComboBox(modes);

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            JComboBox source = (JComboBox) e.getSource();
            int index = source.getSelectedIndex();
            table.setAutoResizeMode(modeKey[index]);
        }//from ww  w  .  j a va2 s  . c  o m
    };
    resizeModeComboBox.addItemListener(itemListener);

    JFrame frame = new JFrame("Resizing Table");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.add(resizeModeComboBox, BorderLayout.NORTH);
    frame.add(scrollPane, BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);

}

---

From source file:Main.java

public static void main(String args[]) {
    JPanel panel = new JPanel(new GridLayout(0, 1));
    Border border = BorderFactory.createTitledBorder("Examples");
    panel.setBorder(border);// w ww.  jav a  2  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);

    JFrame frame = new JFrame("Button Group");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();
    contentPane.add(panel, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:AButtonGroup.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);//w  w  w. j a  va  2 s .  co  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);
    Container contentPane = frame.getContentPane();
    contentPane.add(panel, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:NullLayoutPane.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);/*from w ww.jav a  2 s .c o  m*/
        }
    });

    frame.getContentPane().add(new NullLayoutPane(), BorderLayout.CENTER);
    // Finally, set the size of the main window, and pop it up.
    frame.setSize(600, 400);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    int BTN_COUNT = 3;
    int VERT_GAP = 10;
    int EB_GAP = 5;
    float TITLE_SIZE = 36f;
    String TITLE_TEXT = "This is my Title";

    JLabel titleLabel = new JLabel(TITLE_TEXT, SwingConstants.CENTER);
    titleLabel.setFont(titleLabel.getFont().deriveFont(TITLE_SIZE));
    JPanel titlePanel = new JPanel();
    titlePanel.add(titleLabel);/*ww  w .j a v a2  s.  c om*/

    JPanel buttonPanel = new JPanel(new GridLayout(1, 0, 5, 0));
    for (int i = 0; i < BTN_COUNT; i++) {
        JButton btn = new JButton("Button " + (i + 1));
        buttonPanel.add(btn);
    }

    JTextArea textArea = new JTextArea(20, 30);

    JPanel mainPanel = new JPanel();
    mainPanel.setBorder(BorderFactory.createEmptyBorder(EB_GAP, EB_GAP, EB_GAP, EB_GAP));
    mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.PAGE_AXIS));
    mainPanel.add(titlePanel);
    mainPanel.add(Box.createVerticalStrut(VERT_GAP));
    mainPanel.add(buttonPanel);
    mainPanel.add(Box.createVerticalStrut(VERT_GAP));
    mainPanel.add(new JScrollPane(textArea));

    JFrame frame = new JFrame();
    frame.getContentPane().add(mainPanel, BorderLayout.CENTER);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);

}

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