Example usage for java.awt BorderLayout CENTER

List of usage examples for java.awt BorderLayout CENTER

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  6. 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:OverlaySample.java

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

    JPanel panel = new JPanel() {
        public boolean isOptimizedDrawingEnabled() {
            return false;
        }/*from   w w w  .ja v  a2 s .c o m*/
    };
    LayoutManager overlay = new OverlayLayout(panel);
    panel.setLayout(overlay);

    JButton button = new JButton("Small");
    button.setMaximumSize(new Dimension(25, 25));
    button.setBackground(Color.white);
    panel.add(button);

    button = new JButton("Medium");
    button.setMaximumSize(new Dimension(50, 50));
    button.setBackground(Color.gray);
    panel.add(button);

    button = new JButton("Large");
    button.setMaximumSize(new Dimension(100, 100));
    button.setBackground(Color.black);
    panel.add(button);

    frame.add(panel, BorderLayout.CENTER);

    frame.setSize(400, 300);
    frame.setVisible(true);
}

From source file:Main.java

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

    JPanel main = new JPanel(new GridLayout(2, 1));
    JPanel scrollBarPanel = new JPanel();
    final JScrollBar scrollBar = new JScrollBar(JScrollBar.HORIZONTAL, 0, 48, 0, 255);
    int height = scrollBar.getPreferredSize().height;
    scrollBar.setPreferredSize(new Dimension(175, height));
    scrollBarPanel.add(scrollBar);//from   www . j a  va2s  .  c  o  m
    main.add(scrollBarPanel);

    JPanel sliderPanel = new JPanel();
    final JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 255, 128);
    slider.setMajorTickSpacing(48);
    slider.setMinorTickSpacing(16);
    slider.setPaintTicks(true);
    sliderPanel.add(slider);
    main.add(sliderPanel);

    frame.add(main, BorderLayout.CENTER);

    scrollBar.addAdjustmentListener(new AdjustmentListener() {
        public void adjustmentValueChanged(AdjustmentEvent e) {
            System.out.println("JScrollBar's current value = " + scrollBar.getValue());
        }
    });

    slider.addChangeListener(new ChangeListener() {
        public void stateChanged(ChangeEvent e) {
            System.out.println("JSlider's current value = " + slider.getValue());
        }
    });

    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

From source file:Main.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" };
    int mnemonic[] = { KeyEvent.VK_G, KeyEvent.VK_S, KeyEvent.VK_C, KeyEvent.VK_O, KeyEvent.VK_P,
            KeyEvent.VK_A };/*from  w  w w.  j a  va 2s  .  c  om*/
    for (int i = 0, n = titles.length; i < n; i++) {
        add(tabbedPane, titles[i], mnemonic[i]);
    }

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

From source file:Main.java

public static void main(String args[]) {
    String ITEMS[] = { "Black", "Blue", "Green", "Orange", "Purple", "Red", "White" };
    JList jList = new JList(ITEMS);
    jList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    JScrollPane scroll = new JScrollPane(jList);
    scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
    scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);

    JCheckBox chkEnable = new JCheckBox("Enable", true);
    chkEnable.addItemListener(new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            jList.setEnabled(chkEnable.isSelected());
        }//  www.  j a  v a2  s  .c  om
    });

    JFrame f = new JFrame("Colors");
    Container contentPane = f.getContentPane();
    contentPane.setLayout(new BorderLayout());
    contentPane.add(scroll, BorderLayout.CENTER);
    contentPane.add(chkEnable, BorderLayout.NORTH);

    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(180, 220);
    f.setLocationRelativeTo(null);
    f.setVisible(true);
}

From source file:Main.java

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

    JDesktopPane desktop = new JDesktopPane();

    JInternalFrame iFrame = new JInternalFrame("Can Do All", true, true, true, true);
    JInternalFrame internalFrames[] = { iFrame, new JInternalFrame("Not Resizable", false, true, true, true),
            new JInternalFrame("Not Closable", true, false, true, true),
            new JInternalFrame("Not Maximizable", true, true, false, true),
            new JInternalFrame("Not Iconifiable", true, true, true, false) };

    int pos = 0;//from ww  w .java2 s .c o m
    for (JInternalFrame internalFrame : internalFrames) {
        desktop.add(internalFrame);

        internalFrame.setBounds(pos * 25, pos * 25, 200, 100);
        pos++;

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

        internalFrame.setVisible(true);
    }

    desktop.setSelectedFrame(iFrame);

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

From source file:Main.java

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

    DateFormatSymbols symbols = new DateFormatSymbols(Locale.FRENCH);

    String days[] = symbols.getWeekdays();
    SpinnerModel model1 = new SpinnerListModel(days);
    JSpinner spinner1 = new JSpinner(model1);

    ChangeListener listener = new ChangeListener() {
        public void stateChanged(ChangeEvent e) {
            System.out.println("Source: " + e.getSource());
        }/*from   w  w w. j ava  2  s .c om*/
    };

    spinner1.addChangeListener(listener);

    JLabel label1 = new JLabel("French Days/List");
    JPanel panel1 = new JPanel(new BorderLayout());
    panel1.add(label1, BorderLayout.WEST);
    panel1.add(spinner1, BorderLayout.CENTER);
    frame.add(panel1, BorderLayout.NORTH);

    frame.setSize(200, 90);
    frame.setVisible(true);
}

From source file:Main.java

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

    JDesktopPane desktop = new JDesktopPane();

    JInternalFrame iFrame = new JInternalFrame("Can Do All", true, true, true, true);
    JInternalFrame internalFrames[] = { iFrame, new JInternalFrame("Not Resizable", false, true, true, true),
            new JInternalFrame("Not Closable", true, false, true, true),
            new JInternalFrame("Not Maximizable", true, true, false, true),
            new JInternalFrame("Not Iconifiable", true, true, true, false) };

    int pos = 0;//from  ww  w . j  a  v  a2 s .com
    for (JInternalFrame internalFrame : internalFrames) {
        desktop.add(internalFrame);

        internalFrame.setBounds(pos * 25, pos * 25, 200, 100);
        pos++;

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

        internalFrame.setVisible(true);
    }
    desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);

    desktop.setComponentZOrder(iFrame, 1);

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

From source file:MainClass.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Key Text Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    KeyTextComponent keyTextComponent = new KeyTextComponent();
    final JTextField textField = new JTextField();

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            String keyText = actionEvent.getActionCommand();
            textField.setText(keyText);// www .  j a va2 s  .  c o m
        }
    };
    keyTextComponent.addActionListener(actionListener);

    frame.add(keyTextComponent, BorderLayout.CENTER);
    frame.add(textField, BorderLayout.SOUTH);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

From source file:ListeningJColorChooserSample.java

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

    final JLabel label = new JLabel("www.java2s.com", JLabel.CENTER);
    label.setFont(new Font("Serif", Font.BOLD | Font.ITALIC, 48));

    frame.add(label, BorderLayout.SOUTH);

    final JColorChooser colorChooser = new JColorChooser(label.getBackground());

    ColorSelectionModel model = colorChooser.getSelectionModel();
    ChangeListener changeListener = new ChangeListener() {
        public void stateChanged(ChangeEvent changeEvent) {
            Color newForegroundColor = colorChooser.getColor();
            label.setForeground(newForegroundColor);
        }// w  ww .  j  a  va  2  s .  c  om
    };
    model.addChangeListener(changeListener);

    frame.add(colorChooser, BorderLayout.CENTER);

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

From source file:SizingSamples.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" };

    JFrame frame = new JFrame("Sizing Samples");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    JList jlist1 = new JList(labels);
    jlist1.setVisibleRowCount(4);/*from   www .java2  s  .c  o  m*/
    DefaultListModel model = new DefaultListModel();
    model.ensureCapacity(1000);
    for (int i = 0; i < 100; i++) {
        for (int j = 0; j < 10; j++) {
            model.addElement(labels[j]);
        }
    }
    JScrollPane scrollPane1 = new JScrollPane(jlist1);
    contentPane.add(scrollPane1, BorderLayout.NORTH);

    JList jlist2 = new JList(model);
    jlist2.setVisibleRowCount(4);
    jlist2.setFixedCellHeight(12);
    jlist2.setFixedCellWidth(200);
    JScrollPane scrollPane2 = new JScrollPane(jlist2);
    contentPane.add(scrollPane2, BorderLayout.CENTER);

    JList jlist3 = new JList(labels);
    jlist3.setVisibleRowCount(4);
    contentPane.add(jlist3, BorderLayout.SOUTH);

    frame.setSize(300, 350);
    frame.setVisible(true);
}