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:EditLeafSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Editable Tree");
    JTree tree = new JTree();
    tree.setEditable(true);/*from   w w w. j  ava2 s  . co m*/

    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();
    TreeCellEditor editor = new LeafCellEditor(tree, renderer);
    tree.setCellEditor(editor);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:TreeEdit.java

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

    Object array[] = { Boolean.TRUE, Boolean.FALSE, "Hello" }; // Hello will map to false
    JTree tree = new JTree(array);
    tree.setEditable(true);//w  ww  . j  a  va  2s .co m
    tree.setRootVisible(true);

    JCheckBox checkBox = new JCheckBox();

    TreeCellEditor editor = new DefaultCellEditor(checkBox);
    tree.setCellEditor(editor);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:PasswordFieldSample.java

public static void main(String args[]) {
    String title = "Password Example";
    JFrame frame = new JFrame(title);
    Container content = frame.getContentPane();

    JPanel userPanel = new JPanel(new BorderLayout());
    JLabel userLabel = new JLabel("Username: ");
    userLabel.setDisplayedMnemonic(KeyEvent.VK_U);
    JTextField userTextField = new JTextField();
    userLabel.setLabelFor(userTextField);
    userPanel.add(userLabel, BorderLayout.WEST);
    userPanel.add(userTextField, BorderLayout.CENTER);

    JPanel passPanel = new JPanel(new BorderLayout());
    JLabel passLabel = new JLabel("Password: ");
    passLabel.setDisplayedMnemonic(KeyEvent.VK_P);
    JPasswordField passTextField = new JPasswordField();
    passLabel.setLabelFor(passTextField);
    passPanel.add(passLabel, BorderLayout.WEST);
    passPanel.add(passTextField, BorderLayout.CENTER);

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(userPanel, BorderLayout.NORTH);
    panel.add(passPanel, BorderLayout.SOUTH);
    content.add(panel, BorderLayout.NORTH);

    frame.setSize(250, 150);/*from  www.  j  a v a2s  .  co m*/
    frame.setVisible(true);
}

From source file:TabSampleTabLayoutPolicy.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    for (int i = 0, n = titles.length; i < n; i++) {
        add(tabbedPane, titles[i]);/*from   w  w w. j a va 2s .c  o m*/
    }

    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
}

From source file:MainClass.java

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

    JTree tree = new JTree(new String[] { "a", "b", "c" });
    ToolTipManager.sharedInstance().registerComponent(tree);
    TreeCellRenderer renderer = new ToolTipTreeCellRenderer();
    tree.setCellRenderer(renderer);/*from www. j  ava 2s.  c  o  m*/
    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:ActiveSample.java

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

    UIManager.put(LABEL_FACTORY, new ActiveLabel());

    final JPanel panel = new JPanel();

    JButton button = new JButton("Get");
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            JLabel label = (JLabel) UIManager.get(LABEL_FACTORY);
            panel.add(label);//  w  w w . j  a v a2 s .c o  m
            panel.revalidate();
        }
    };
    button.addActionListener(actionListener);

    frame.add(panel, BorderLayout.CENTER);
    frame.add(button, BorderLayout.SOUTH);
    frame.setSize(200, 200);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JPanel topPanel = new JPanel();
    topPanel.setPreferredSize(new Dimension(200, 200));
    topPanel.setBackground(Color.WHITE);

    JTextArea chatArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(chatArea);

    JPanel mainPanel = new JPanel(new BorderLayout(5, 5));
    mainPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
    mainPanel.add(topPanel, BorderLayout.CENTER);
    mainPanel.add(scrollPane, BorderLayout.SOUTH);

    chatArea.getDocument().addDocumentListener(new DocumentListener() {

        @Override/*from w  w  w  . j av a 2s. co m*/
        public void insertUpdate(DocumentEvent e) {
            updateLineCount();
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
            updateLineCount();
        }

        @Override
        public void changedUpdate(DocumentEvent e) {
            updateLineCount();
        }

        private void updateLineCount() {
            int lineCount = chatArea.getLineCount();
            if (lineCount <= 4) {
                chatArea.setRows(lineCount);
                mainPanel.revalidate();
            }
        }
    });

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(mainPanel);
    f.pack();
    f.setVisible(true);
}

From source file:Main.java

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

    DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
    DefaultMutableTreeNode mercury = new DefaultMutableTreeNode("Mercury");
    root.insert(mercury, 0);/*from  w ww .ja  v a2 s. c  om*/
    DefaultMutableTreeNode venus = new DefaultMutableTreeNode("Venus");
    root.insert(venus, 1);
    DefaultMutableTreeNode mars = new DefaultMutableTreeNode("Mars");
    root.insert(mars, 2);
    JTree tree = new JTree(root);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:Main.java

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

    JTextPane codearea = new JTextPane();
    JScrollPane scroll;/*  ww w.  j  av a  2s .  c o m*/
    scroll = new JScrollPane(codearea, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
            ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    scroll.setPreferredSize(new Dimension(300, 300));

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(scroll, BorderLayout.CENTER);
    JButton comp = new JButton("Print text");
    comp.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            System.out.println(codearea.getText());
        }
    });
    panel.add(comp, BorderLayout.SOUTH);

    frame.getContentPane().add(panel);
    frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);

}

From source file:MainClass.java

public static void main(final String args[]) {
    final Object rows[][] = { { "one", "1" }, { "two", "2" }, { "three", "3" } };
    final Object headers[] = { "English", "Digit" };

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

    JTable table = new JTable(rows, headers);

    JScrollPane scrollPane = new JScrollPane(table);
    JViewport viewport = new JViewport();
    viewport.setView(table);//from  ww w  . j a  va 2  s.  com
    scrollPane.setColumnHeaderView(new JLabel("table header here"));
    scrollPane.setRowHeaderView(viewport);

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