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:Main.java

public static void main(String[] args) {
    String[] data = { "alist", "arithmetic", "ASCIInumbers", "A", "B", "list", "C", "D", "E", "numeral", "G",
            "F" };

    JCheckBox[] checkBox;// ww  w . j  a v  a  2s  . c om
    JButton submitButton;
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

    JPanel contentPane = new JPanel();
    contentPane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
    contentPane.setLayout(new BorderLayout(5, 5));

    checkBox = new JCheckBox[data.length];
    JPanel centerPanel = new JPanel();
    centerPanel.setLayout(new GridLayout(0, 4, 5, 5));
    for (int i = 0; i < data.length; i++) {
        checkBox[i] = new JCheckBox(data[i]);
        centerPanel.add(checkBox[i]);
    }
    contentPane.add(centerPanel, BorderLayout.CENTER);

    JPanel footerPanel = new JPanel();
    submitButton = new JButton("Submit");
    footerPanel.add(submitButton);
    contentPane.add(footerPanel, BorderLayout.PAGE_END);

    frame.setContentPane(contentPane);
    frame.pack();
    frame.setLocationByPlatform(true);
    frame.setVisible(true);

}

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From source file:TextSlider.java

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

    final JTextField textField = new JTextField();

    JScrollBar scrollBar = new JScrollBar(JScrollBar.HORIZONTAL);

    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));

    BoundedRangeModel brm = textField.getHorizontalVisibility();
    scrollBar.setModel(brm);/* ww w.ja  v  a 2s .com*/
    panel.add(textField);
    panel.add(scrollBar);

    final TextSlider ts = new TextSlider();
    textField.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            System.out.println("Text: " + textField.getText());
        }
    });
    frame.add(panel, BorderLayout.NORTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
}

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From source file:SharedDataBetweenComboBoxSample.java

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

    final DefaultComboBoxModel model = new DefaultComboBoxModel(labels);

    JFrame frame = new JFrame("Shared Data");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel panel = new JPanel();
    JComboBox comboBox1 = new JComboBox(model);
    comboBox1.setEditable(true);//w ww.ja v  a  2s . com

    JComboBox comboBox2 = new JComboBox(model);
    comboBox2.setEditable(true);
    panel.add(comboBox1);
    panel.add(comboBox2);
    frame.add(panel, BorderLayout.NORTH);

    JButton button = new JButton("Add");
    frame.add(button, BorderLayout.SOUTH);
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.addElement("New Added");
        }
    };
    button.addActionListener(actionListener);

    frame.setSize(300, 200);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] a) {
    JDialog f = new JDialog();
    f.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);//from   w  ww  . jav a  2s  .com
        }
    });

    JButton btOK = new JButton("Press Enter to click me, I am the default.");
    btOK.setToolTipText("Save and exit");
    f.getRootPane().setDefaultButton(btOK);

    JPanel p = new JPanel();
    p.add(btOK);
    p.add(new JButton("I am NOT the default."));
    f.getContentPane().add(p);

    f.pack();
    f.setSize(new Dimension(300, 200));

    f.setVisible(true);

}

---

From source file:MainClass.java

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

    JTextField textField = new JTextField();
    frame.add(textField, BorderLayout.NORTH);

    JPanel panel = new JPanel();
    JButton defaultButton = new JButton("Default Button");
    defaultButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            System.out.println(actionEvent.getActionCommand() + " selected");
        }/*  ww w  .  j a  v a 2s .  co  m*/
    });
    panel.add(defaultButton);

    JButton otherButton = new JButton("Other Button");
    otherButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            System.out.println(actionEvent.getActionCommand() + " selected");
        }
    });
    panel.add(otherButton);

    frame.add(panel, BorderLayout.SOUTH);

    Keymap keymap = textField.getKeymap();
    KeyStroke keystroke = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, false);
    keymap.removeKeyStrokeBinding(keystroke);

    frame.getRootPane().setDefaultButton(defaultButton);

    frame.setSize(250, 150);
    frame.setVisible(true);

}

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From source file:CircleLayoutDemo.java

public static void main(String a[]) {
    JFrame frame = new JFrame();
    JPanel circle = new JPanel();
    circle.setLayout(new CircleLayout(true));

    for (int i = 0; i < 10; i++) {
        circle.add(new JLabel("circle_" + i * 7));
    }/*from  w  w w .j  a va2  s . c o  m*/
    frame.setContentPane(circle);
    frame.setSize(200, 400);

    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(final String args[]) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(300, 300);// w  w w . j  av a2  s .  c o  m
    f.setLocationRelativeTo(null);

    f.setUndecorated(true);
    f.getRootPane().setWindowDecorationStyle(JRootPane.FRAME);

    JPanel panel = new JPanel();
    panel.setBackground(java.awt.Color.white);
    f.setContentPane(panel);

    MetalLookAndFeel.setCurrentTheme(new MyDefaultMetalTheme());
    try {
        UIManager.setLookAndFeel(new MetalLookAndFeel());
    } catch (Exception e) {
        e.printStackTrace();
    }

    SwingUtilities.updateComponentTreeUI(f);

    f.setVisible(true);
}

---

From source file:DnDDemo3.java

public static void main(String[] args) {
    JPanel north = new JPanel();
    north.add(new JLabel("Drag from here:"));
    JTextField field = new JTextField(10);
    field.setDragEnabled(true);/*  ww w  . ja va2 s .co m*/
    north.add(field);

    final DefaultListModel listModel = new DefaultListModel();
    listModel.addElement("first");
    listModel.addElement("second");
    final JList list = new JList(listModel);
    list.setDragEnabled(true);

    list.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }
            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            if (dl.getIndex() == -1) {
                return false;
            } else {
                return true;
            }
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }

            Transferable transferable = support.getTransferable();
            String data;
            try {
                data = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (Exception e) {
                return false;
            }

            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            int index = dl.getIndex();
            if (dl.isInsert()) {
                listModel.add(index, data);
            } else {
                listModel.set(index, data);
            }
            Rectangle r = list.getCellBounds(index, index);
            list.scrollRectToVisible(r);
            return true;
        }
    });
    JScrollPane center = new JScrollPane();
    center.setViewportView(list);

    list.setDropMode(DropMode.USE_SELECTION);
    JPanel cp = new JPanel();
    cp.setLayout(new BorderLayout());
    cp.add(north, BorderLayout.NORTH);
    cp.add(center, BorderLayout.CENTER);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

---

From source file:DefaultButton.java

public static void main(String[] a) {
    JDialog f = new JDialog();
    f.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);/*from   w  w w  . j a  va  2s  .  c om*/
        }
    });

    JButton btOK = new JButton("Press Enter to click me, I am the default.");
    btOK.setToolTipText("Save and exit");
    f.getRootPane().setDefaultButton(btOK);

    JPanel p = new JPanel();
    p.add(btOK);
    p.add(new JButton("I am NOT the default."));
    f.getContentPane().add(p);

    f.pack();
    f.setSize(new Dimension(300, 200));

    f.show();

}

---

From source file:DropModeON.java

public static void main(String[] args) {
    JPanel north = new JPanel();
    north.add(new JLabel("Drag from here:"));
    JTextField field = new JTextField(10);
    field.setDragEnabled(true);/*from w  w w  .  ja v  a 2s .  c om*/
    north.add(field);

    final DefaultListModel listModel = new DefaultListModel();
    listModel.addElement("first");
    listModel.addElement("second");
    final JList list = new JList(listModel);
    list.setDragEnabled(true);

    list.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }
            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            if (dl.getIndex() == -1) {
                return false;
            } else {
                return true;
            }
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }

            Transferable transferable = support.getTransferable();
            String data;
            try {
                data = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (Exception e) {
                return false;
            }

            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            int index = dl.getIndex();
            if (dl.isInsert()) {
                listModel.add(index, data);
            } else {
                listModel.set(index, data);
            }

            // Scroll to display the element that was dropped
            Rectangle r = list.getCellBounds(index, index);
            list.scrollRectToVisible(r);
            return true;
        }
    });
    JScrollPane center = new JScrollPane();
    center.setViewportView(list);

    list.setDropMode(DropMode.ON);
    JPanel cp = new JPanel();
    cp.setLayout(new BorderLayout());
    cp.add(north, BorderLayout.NORTH);
    cp.add(center, BorderLayout.CENTER);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

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