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:Toolbars.java

public static void main(String[] args) {
    JToolBar toolbar1 = new JToolBar();
    JToolBar toolbar2 = new JToolBar();

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

    JButton newb = new JButton(new ImageIcon("new.png"));
    JButton openb = new JButton(new ImageIcon("open.png"));
    JButton saveb = new JButton(new ImageIcon("save.png"));

    toolbar1.add(newb);/*from w w  w. ja v  a  2s  . c  om*/
    toolbar1.add(openb);
    toolbar1.add(saveb);
    toolbar1.setAlignmentX(0);

    JButton exitb = new JButton(new ImageIcon("exit.png"));
    toolbar2.add(exitb);
    toolbar2.setAlignmentX(0);

    exitb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            System.exit(0);
        }
    });

    panel.add(toolbar1);
    panel.add(toolbar2);

    JFrame f = new JFrame();
    f.add(panel, BorderLayout.NORTH);

    f.setSize(300, 200);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

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From source file:Main.java

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

    JPanel entreePanel = new JPanel();
    final ButtonGroup entreeGroup = new ButtonGroup();
    JRadioButton radioButton;//from  w  w  w  .j a  va2  s  . c o  m
    entreePanel.add(radioButton = new JRadioButton("A"));
    radioButton.setActionCommand("A");
    entreeGroup.add(radioButton);
    entreePanel.add(radioButton = new JRadioButton("B"));
    radioButton.setActionCommand("B");
    entreeGroup.add(radioButton);
    entreePanel.add(radioButton = new JRadioButton("C", true));
    radioButton.setActionCommand("C");
    entreeGroup.add(radioButton);

    final JPanel condimentsPanel = new JPanel();
    condimentsPanel.add(new JCheckBox("Ketchup"));
    condimentsPanel.add(new JCheckBox("Mustard"));
    condimentsPanel.add(new JCheckBox("Pickles"));

    JPanel orderPanel = new JPanel();
    JButton orderButton = new JButton("Place Order");
    orderPanel.add(orderButton);

    frame.setLayout(new GridLayout(3, 1));
    frame.add(entreePanel);
    frame.add(condimentsPanel);
    frame.add(orderPanel);

    orderButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ae) {
            String entree = entreeGroup.getSelection().getActionCommand();
            System.out.println(entree + " sandwich");
            Component[] components = condimentsPanel.getComponents();
            for (Component c : components) {
                JCheckBox cb = (JCheckBox) c;
                if (cb.isSelected())
                    System.out.println("With " + cb.getText());
            }
        }
    });

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

---

From source file:Main.java

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

    frame.add(tabbedPane);//w w  w .j a  v a2s .  co m

    JButton addButton = new JButton("Add tab");
    addButton.addActionListener(e -> {
        JPanel newTabComponent = new JPanel();
        int tabCount = tabbedPane.getTabCount();
        newTabComponent.add(new JLabel("I'm tab " + tabCount));
        tabbedPane.addTab("Tab " + tabCount, newTabComponent);
    });
    frame.add(addButton, BorderLayout.SOUTH);
    addButton.doClick();

    frame.setSize(800, 300);
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setVisible(true);
}

---

From source file:GridBagWithWeight.java

public static void main(String[] args) {
    JFrame f = new JFrame("Demonstrates the use of weightx, weighty constraints");
    JPanel p = new JPanel();

    p.setLayout(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    p.setLayout(new GridBagLayout());
    c = new GridBagConstraints();
    c.insets = new Insets(2, 2, 2, 2);
    c.weighty = 1.0;//from w  ww.  j  a  va  2 s . co m
    c.weightx = 1.0;
    c.gridx = 0;
    c.gridy = 0;
    p.add(new JButton("Java"), c);
    c.gridx = 1;
    p.add(new JButton("Source"), c);
    c.gridx = 0;
    c.gridy = 1;
    p.add(new JButton("and"), c);
    c.gridx = 1;
    p.add(new JButton("Support."), c);

    WindowListener wndCloser = new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);
        }
    };
    f.addWindowListener(wndCloser);

    f.getContentPane().add(p);
    f.setSize(600, 200);
    f.show();
}

---

From source file:Main.java

public static void main(final String args[]) {
    String labels[] = { "A", "B", "C", "D", "E" };
    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.setMaximumRowCount(5);//from w w  w . j a v  a2  s .  c  o  m
    comboBox1.setEditable(true);

    JComboBox comboBox2 = new JComboBox(model);
    comboBox2.setMaximumRowCount(5);
    comboBox2.setEditable(true);
    panel.add(comboBox1);
    panel.add(comboBox2);
    frame.add(panel, BorderLayout.NORTH);

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

---

From source file:Main.java

public static void main(final String args[]) {
    String labels[] = { "A", "B", "C", "D", "E" };
    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();
    comboBox1.setModel(model);/*from w w  w . j a v  a  2 s .com*/
    comboBox1.setMaximumRowCount(5);
    comboBox1.setEditable(true);

    JComboBox comboBox2 = new JComboBox(model);
    comboBox2.setMaximumRowCount(5);
    comboBox2.setEditable(true);
    panel.add(comboBox1);
    panel.add(comboBox2);
    frame.add(panel, BorderLayout.NORTH);

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

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From source file:FocusCycleSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Focus Cycle Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLayout(new GridLayout(3, 3));
    for (int i = 0; i < 3; i++) {
        JButton button = new JButton("" + i);
        frame.add(button);//from   w ww  .j  a  va  2 s  .  c o m
    }
    JPanel panel = new JPanel();
    panel.setFocusCycleRoot(true);
    panel.setFocusTraversalPolicyProvider(true);
    panel.setLayout(new GridLayout(1, 3));
    for (int i = 0; i < 3; i++) {
        JButton button = new JButton("" + (i + 3));
        panel.add(button);
    }
    frame.add(panel);
    for (int i = 0; i < 3; i++) {
        JButton button = new JButton("" + (i + 6));
        frame.add(button);
    }
    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel();
    JTextField tf1 = new JTextField(10);
    panel.add(tf1);/*from ww w .  j  a va 2  s  .c  o  m*/
    JTextField tf2 = new JTextField(10);
    panel.add(tf2);

    new TextPrompt("First Name", tf1);
    new TextPrompt("Last Name", tf2);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(panel);
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String args[]) {
    JPanel container = new ScrollablePanel();
    container.setLayout(new FlowLayout(FlowLayout.CENTER, 0, 0));
    for (int i = 0; i < 20; ++i) {
        JPanel p = new JPanel();
        p.setPreferredSize(new Dimension(50, 50));
        p.add(new JLabel("" + i));
        container.add(p);//www .jav a2s. co  m
    }

    JScrollPane scroll = new JScrollPane(container);
    scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
    scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(scroll);
    f.pack();
    f.setSize(250, 300);
    f.setVisible(true);
}

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From source file:ButtonListener.java

public static void main(String[] args) {
    JPanel panel = new JPanel();

    JButton close = new JButton("Close");
    close.addActionListener(new ButtonListener());

    JButton open = new JButton("Open");
    open.addActionListener(new ButtonListener());

    JButton find = new JButton("Find");
    find.addActionListener(new ButtonListener());

    JButton save = new JButton("Save");
    save.addActionListener(new ButtonListener());

    panel.add(close);//from   www.  j  a  v a 2s.c o  m
    panel.add(open);
    panel.add(find);
    panel.add(save);
    JFrame f = new JFrame();
    f.add(panel);
    f.setSize(400, 300);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

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