Example usage for javax.swing JPanel JPanel

List of usage examples for javax.swing JPanel JPanel

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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) {
    DecimalFormat format = new DecimalFormat("####.##");
    format.setMinimumFractionDigits(2);/*from   w  ww. j a  va  2s. c o m*/
    final JFormattedTextField field1 = new JFormattedTextField(format);
    final JFormattedTextField field2 = new JFormattedTextField(format);
    field1.setColumns(15);
    field2.setColumns(15);
    JButton btn = new JButton(new AbstractAction("Multiply by 2") {

        @Override
        public void actionPerformed(ActionEvent e) {
            Number value = (Number) field1.getValue();
            if (value != null) {
                field2.setValue(2 * value.doubleValue());
            }
        }
    });

    JPanel panel = new JPanel();
    panel.add(field1);
    panel.add(btn);
    panel.add(field2);
    JOptionPane.showMessageDialog(null, panel);
}

From source file:WindowsLookAndFeelDemo.java

public static void main(String[] args) {
    try {/*ww w.  j av  a  2 s  . c  o m*/
        UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
    } catch (Exception e) {
        e.printStackTrace();
    }
    JLabel label = new JLabel("Label");
    JTextField field = new JTextField("www.java2s.com!");
    JList list = new JList(new String[] { "A", "B", "C" });
    JScrollPane listPane = new JScrollPane(list);
    listPane.setPreferredSize(new Dimension(250, 100));

    JScrollPane treePane = new JScrollPane(new JTree());
    treePane.setPreferredSize(new Dimension(250, 100));
    JButton button = new JButton("Click me");

    JPanel cp = new JPanel();
    cp.add(label);
    cp.add(field);
    cp.add(listPane);
    cp.add(treePane);
    cp.add(button);

    JFrame frame = new JFrame();
    frame.setTitle("Windows Look and Feel Demo");
    frame.setPreferredSize(new Dimension(280, 300));
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {
    final DefaultListModel<String> model = new DefaultListModel<>();
    final JList<String> list = new JList<>(model);
    JFrame f = new JFrame();

    model.addElement("A");
    model.addElement("B");
    model.addElement("C");
    model.addElement("D");
    model.addElement("E");

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

    JPanel leftPanel = new JPanel();
    JPanel rightPanel = new JPanel();

    leftPanel.setLayout(new BorderLayout());
    rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.Y_AXIS));

    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

    list.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent e) {
            if (e.getClickCount() == 2) {
                int index = list.locationToIndex(e.getPoint());
                Object item = model.getElementAt(index);
                String text = JOptionPane.showInputDialog("Rename item", item);
                String newitem = "";
                if (text != null)
                    newitem = text.trim();
                else
                    return;

                if (!newitem.isEmpty()) {
                    model.remove(index);
                    model.add(index, newitem);
                    ListSelectionModel selmodel = list.getSelectionModel();
                    selmodel.setLeadSelectionIndex(index);
                }/*w w  w .j av a 2s  .  c o  m*/
            }
        }
    });
    leftPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    leftPanel.add(new JScrollPane(list));

    JButton removeall = new JButton("Remove All");
    JButton add = new JButton("Add");
    JButton rename = new JButton("Rename");
    JButton delete = new JButton("Delete");

    add.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String text = JOptionPane.showInputDialog("Add a new item");
            String item = null;

            if (text != null)
                item = text.trim();
            else
                return;

            if (!item.isEmpty())
                model.addElement(item);
        }
    });

    delete.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index >= 0)
                model.remove(index);
        }

    });

    rename.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index == -1)
                return;
            Object item = model.getElementAt(index);
            String text = JOptionPane.showInputDialog("Rename item", item);
            String newitem = null;

            if (text != null) {
                newitem = text.trim();
            } else
                return;

            if (!newitem.isEmpty()) {
                model.remove(index);
                model.add(index, newitem);
            }
        }
    });

    removeall.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            model.clear();
        }
    });

    rightPanel.add(add);
    rightPanel.add(rename);
    rightPanel.add(delete);
    rightPanel.add(removeall);

    rightPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 20));

    panel.add(leftPanel);
    panel.add(rightPanel);

    f.add(panel);

    f.setSize(350, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);

}

From source file:List.java

public static void main(String[] args) {
    final DefaultListModel model = new DefaultListModel();
    final JList list = new JList(model);
    JFrame f = new JFrame();
    f.setTitle("JList models");

    model.addElement("A");
    model.addElement("B");
    model.addElement("C");
    model.addElement("D");
    model.addElement("E");

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

    JPanel leftPanel = new JPanel();
    JPanel rightPanel = new JPanel();

    leftPanel.setLayout(new BorderLayout());
    rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.Y_AXIS));

    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

    list.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent e) {
            if (e.getClickCount() == 2) {
                int index = list.locationToIndex(e.getPoint());
                Object item = model.getElementAt(index);
                String text = JOptionPane.showInputDialog("Rename item", item);
                String newitem = "";
                if (text != null)
                    newitem = text.trim();
                else
                    return;

                if (!newitem.isEmpty()) {
                    model.remove(index);
                    model.add(index, newitem);
                    ListSelectionModel selmodel = list.getSelectionModel();
                    selmodel.setLeadSelectionIndex(index);
                }//from w  ww  .j a  v a  2 s . co  m
            }
        }
    });
    leftPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    leftPanel.add(new JScrollPane(list));

    JButton removeall = new JButton("Remove All");
    JButton add = new JButton("Add");
    JButton rename = new JButton("Rename");
    JButton delete = new JButton("Delete");

    add.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String text = JOptionPane.showInputDialog("Add a new item");
            String item = null;

            if (text != null)
                item = text.trim();
            else
                return;

            if (!item.isEmpty())
                model.addElement(item);
        }
    });

    delete.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index >= 0)
                model.remove(index);
        }

    });

    rename.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index == -1)
                return;
            Object item = model.getElementAt(index);
            String text = JOptionPane.showInputDialog("Rename item", item);
            String newitem = null;

            if (text != null) {
                newitem = text.trim();
            } else
                return;

            if (!newitem.isEmpty()) {
                model.remove(index);
                model.add(index, newitem);
            }
        }
    });

    removeall.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            model.clear();
        }
    });

    rightPanel.add(add);
    rightPanel.add(rename);
    rightPanel.add(delete);
    rightPanel.add(removeall);

    rightPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 20));

    panel.add(leftPanel);
    panel.add(rightPanel);

    f.add(panel);

    f.setSize(350, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);

}

From source file:Main.java

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

    GraphicsDevice device = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
    device.setFullScreenWindow(frame);/*from   www. j a  v  a 2  s.com*/
    device.setDisplayMode(new DisplayMode(800, 600, 32, 60));

    frame.addWindowListener(new WindowAdapter() {
        @Override
        public void windowIconified(WindowEvent we) {
            if (programmatic) {
                programmatic = false;
                frame.setState(JFrame.NORMAL);
            }
        }
    });

    JButton btn = new JButton();
    btn.setText("Btn");
    final JPanel panel = new JPanel();

    panel.add(btn);
    frame.add(panel);

    btn.addActionListener(e -> {
        programmatic = true;
        JOptionPane.showMessageDialog(panel, "Sample");
    });
    frame.setVisible(true);
}

From source file:DocumentModel.java

public static void main(String[] args) {
    final StyledDocument doc;
    final JTextPane textpane;

    JFrame f = new JFrame();

    f.setTitle("Document Model");

    JToolBar toolbar = new JToolBar();
    JButton boldb = new JButton("bold");
    JButton italb = new JButton("italic");
    JButton strib = new JButton("strike");
    JButton undeb = new JButton("underline");

    toolbar.add(boldb);/*from  w ww .j ava  2 s.  com*/
    toolbar.add(italb);
    toolbar.add(strib);
    toolbar.add(undeb);

    f.add(toolbar, BorderLayout.NORTH);

    JPanel panel = new JPanel();
    panel.setLayout(new BorderLayout());
    panel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    JScrollPane pane = new JScrollPane();
    textpane = new JTextPane();
    textpane.setBorder(BorderFactory.createEmptyBorder(8, 8, 8, 8));

    doc = textpane.getStyledDocument();

    Style style = textpane.addStyle("Bold", null);
    StyleConstants.setBold(style, true);

    style = textpane.addStyle("Italic", null);
    StyleConstants.setItalic(style, true);

    style = textpane.addStyle("Underline", null);
    StyleConstants.setUnderline(style, true);

    style = textpane.addStyle("Strike", null);
    StyleConstants.setStrikeThrough(style, true);

    boldb.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            doc.setCharacterAttributes(textpane.getSelectionStart(),
                    textpane.getSelectionEnd() - textpane.getSelectionStart(), textpane.getStyle("Bold"),
                    false);
        }
    });

    italb.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            doc.setCharacterAttributes(textpane.getSelectionStart(),
                    textpane.getSelectionEnd() - textpane.getSelectionStart(), textpane.getStyle("Italic"),
                    false);
        }

    });

    strib.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            doc.setCharacterAttributes(textpane.getSelectionStart(),
                    textpane.getSelectionEnd() - textpane.getSelectionStart(), textpane.getStyle("Strike"),
                    false);
        }

    });

    undeb.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            doc.setCharacterAttributes(textpane.getSelectionStart(),
                    textpane.getSelectionEnd() - textpane.getSelectionStart(), textpane.getStyle("Underline"),
                    false);
        }
    });

    pane.getViewport().add(textpane);
    panel.add(pane);

    f.add(panel);

    f.setSize(new Dimension(380, 320));
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);

}

From source file:FocusTest.java

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

    FocusListener listener = new FocusListener() {
        public void focusGained(FocusEvent e) {
            dumpInfo(e);//from w w w.  j a v a2 s .  c o m
        }

        public void focusLost(FocusEvent e) {
            dumpInfo(e);
        }

        private void dumpInfo(FocusEvent e) {
            System.out.println("Source  : " + name(e.getComponent()));
            System.out.println("Opposite : " + name(e.getOppositeComponent()));
            System.out.println("Temporary: " + e.isTemporary());
        }

        private String name(Component c) {
            return (c == null) ? null : c.getName();
        }
    };

    // First
    JPanel panel = new JPanel();
    JLabel label = new JLabel("Label 1: ");
    JTextField text = new JTextField("Type your text", 15);
    text.setName("First");
    text.addFocusListener(listener);
    label.setDisplayedMnemonic(KeyEvent.VK_1);
    label.setLabelFor(text);
    panel.add(label);
    panel.add(text);
    contentPane.add(panel, BorderLayout.NORTH);

    // Second
    panel = new JPanel();
    label = new JLabel("Label 2: ");
    text = new JTextField("14.0", 10);
    text.setName("Second");
    text.addFocusListener(listener);
    text.setHorizontalAlignment(JTextField.RIGHT);
    label.setDisplayedMnemonic(KeyEvent.VK_2);
    label.setLabelFor(text);
    panel.add(label);
    panel.add(text);
    contentPane.add(panel, BorderLayout.SOUTH);

    frame.pack();
    frame.show();
}

From source file:CutPasteSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Cut/Paste Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container content = frame.getContentPane();

    JTextField textField = new JTextField();
    JTextArea textArea = new JTextArea();
    JScrollPane scrollPane = new JScrollPane(textArea);

    content.add(textField, BorderLayout.NORTH);
    content.add(scrollPane, BorderLayout.CENTER);

    Action actions[] = textField.getActions();

    Action cutAction = TextUtilities.findAction(actions, DefaultEditorKit.cutAction);
    Action copyAction = TextUtilities.findAction(actions, DefaultEditorKit.copyAction);
    Action pasteAction = TextUtilities.findAction(actions, DefaultEditorKit.pasteAction);

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

    JButton cutButton = new JButton(cutAction);
    cutButton.setText("Cut");
    panel.add(cutButton);//from   w ww  .j av a 2s . co  m

    JButton copyButton = new JButton(copyAction);
    copyButton.setText("Copy");
    panel.add(copyButton);

    JButton pasteButton = new JButton(pasteAction);
    pasteButton.setText("Paste");
    panel.add(pasteButton);

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

From source file:LoadSync.java

public static void main(String args[]) {
    final String filename = "Test.html";
    JFrame frame = new JFrame("Loading/Saving Example");
    Container content = frame.getContentPane();

    final JEditorPane editorPane = new JEditorPane();
    editorPane.setEditable(false);//from   w  ww .ja  va2  s .  c o m
    JScrollPane scrollPane = new JScrollPane(editorPane);
    content.add(scrollPane, BorderLayout.CENTER);

    editorPane.setEditorKit(new HTMLEditorKit());

    JPanel panel = new JPanel();

    // Setup actions
    Action loadAction = new AbstractAction() {
        {
            putValue(Action.NAME, "Load");
        }

        public void actionPerformed(ActionEvent e) {
            doLoadCommand(editorPane, filename);
        }
    };
    JButton loadButton = new JButton(loadAction);
    panel.add(loadButton);

    content.add(panel, BorderLayout.SOUTH);

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

From source file:DefaultFormatterFactoryDemo.java

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

    JLabel label = new JLabel("Date");

    DateFormat displayFormat = new SimpleDateFormat("yyyy--MMMM--dd");
    DateFormatter displayFormatter = new DateFormatter(displayFormat);
    DateFormat editFormat = new SimpleDateFormat("MM/dd/yy");
    DateFormatter editFormatter = new DateFormatter(editFormat);
    DateFormat nullFormat = new SimpleDateFormat("'null'");
    DateFormatter nullFormatter = new DateFormatter(nullFormat);
    DefaultFormatterFactory factory = new DefaultFormatterFactory(displayFormatter, displayFormatter,
            editFormatter, nullFormatter);

    JFormattedTextField input = new JFormattedTextField(factory);
    input.setColumns(30);/*from w  ww  .  ja v a  2 s.  com*/
    JPanel panel = new JPanel();
    panel.add(label);
    panel.add(input);
    frame.add(panel, "North");

    frame.add(new JTextField(), "Center");
    frame.pack();
    frame.setVisible(true);
}