Example usage for javax.swing JLabel JLabel

Introduction

In this page you can find the example usage for javax.swing JLabel JLabel.

Prototype

public JLabel(Icon image) 

Source Link

Document

Creates a JLabel instance with the specified image.

Usage

From source file:BorderLayoutExample.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    JMenuBar menubar = new JMenuBar();
    JMenu file = new JMenu("File");

    menubar.add(file);/* ww  w . ja v a 2  s  .  c  o m*/
    f.setJMenuBar(menubar);

    JToolBar toolbar = new JToolBar();
    toolbar.setFloatable(false);

    JButton bexit = new JButton(new ImageIcon("exit.png"));
    bexit.setBorder(new EmptyBorder(0, 0, 0, 0));
    toolbar.add(bexit);

    f.add(toolbar, BorderLayout.NORTH);

    JToolBar vertical = new JToolBar(JToolBar.VERTICAL);
    vertical.setFloatable(false);
    vertical.setMargin(new Insets(10, 5, 5, 5));

    JButton selectb = new JButton(new ImageIcon("a.png"));
    selectb.setBorder(new EmptyBorder(3, 0, 3, 0));

    JButton freehandb = new JButton(new ImageIcon("b.png"));
    freehandb.setBorder(new EmptyBorder(3, 0, 3, 0));
    JButton shapeedb = new JButton(new ImageIcon("c.png"));
    shapeedb.setBorder(new EmptyBorder(3, 0, 3, 0));

    vertical.add(selectb);
    vertical.add(freehandb);
    vertical.add(shapeedb);

    f.add(vertical, BorderLayout.WEST);
    f.add(new JTextArea(), BorderLayout.CENTER);

    JLabel statusbar = new JLabel(" Statusbar");
    statusbar.setPreferredSize(new Dimension(-1, 22));
    statusbar.setBorder(LineBorder.createGrayLineBorder());
    f.add(statusbar, BorderLayout.SOUTH);
    f.setSize(350, 300);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JPanel ui = new JPanel(new BorderLayout(4, 4));
    ui.setBorder(new EmptyBorder(6, 6, 6, 6));

    JPanel controls = new JPanel(new FlowLayout(FlowLayout.LEADING));
    ui.add(controls, BorderLayout.PAGE_START);
    int s = 100;/* w  ww  . j  av a  2  s .  c  o  m*/
    Dimension[] sizes = { new Dimension(s * 4, s * 2), new Dimension(s * 6, s * 3),
            new Dimension(s * 8, s * 4) };
    final JComboBox cb = new JComboBox(sizes);
    controls.add(cb);
    final JPanel[] panels = new JPanel[sizes.length];
    for (int ii = 0; ii < sizes.length; ii++) {
        Dimension d = sizes[ii];
        BufferedImage bi = new BufferedImage(d.width, d.height, BufferedImage.TYPE_INT_RGB);
        JPanel p = new JPanel(new GridLayout());
        JLabel l = new JLabel(new ImageIcon(bi));
        p.add(l);
        panels[ii] = p;
    }
    ItemListener sizeListener = new ItemListener() {

        JPanel current = panels[0];

        @Override
        public void itemStateChanged(ItemEvent e) {
            JPanel next = panels[cb.getSelectedIndex()];
            swapComponentsAndResizeUI(ui, current, next);
            current = next;
        }
    };
    cb.addItemListener(sizeListener);

    ui.add(panels[0], BorderLayout.CENTER);

    JFrame f = new JFrame("Three Sized Panels");
    f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    f.setContentPane(ui);
    f.pack();
    f.setLocationByPlatform(true);
    f.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");

    final BufferedImage originalImage = ImageIO.read(url);
    int width = originalImage.getWidth();
    int height = originalImage.getHeight();
    final BufferedImage textImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = textImage.createGraphics();

    FontRenderContext frc = g.getFontRenderContext();
    Font font = new Font("Arial", Font.BOLD, 50);
    GlyphVector gv = font.createGlyphVector(frc, "java2s.com");

    int xOff = 0;
    int yOff = 50;

    Shape shape = gv.getOutline(xOff, yOff);
    g.setClip(shape);//from   w  w  w  .j  av a 2  s . co m
    g.drawImage(originalImage, 0, 0, null);

    g.setStroke(new BasicStroke(2f));
    g.setColor(Color.BLACK);
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.draw(shape);
    g.dispose();

    ImageIO.write(textImage, "png", new File("cat-text.png"));

    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(textImage)));
        }
    });
}

---

From source file:net.redstonelamp.gui.RedstoneLampGUI.java

public static void main(String[] args) {
    JFrame frame = new JFrame("RedstoneLamp");
    frame.setLayout(new GridLayout(2, 1));
    frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    JLabel label = new JLabel("RedstoneLamp");
    label.setHorizontalAlignment(SwingConstants.CENTER);
    frame.add(label);//from  w  w w  .ja v a2s  .c  om
    JPanel lowPanel = new JPanel();
    JPanel left = new JPanel();
    left.setLayout(new BoxLayout(left, BoxLayout.Y_AXIS));
    lowPanel.add(left);
    JPanel right = new JPanel();
    right.setLayout(new BoxLayout(right, BoxLayout.Y_AXIS));
    lowPanel.add(right);
    JButton openButton = new JButton("Open server at...");
    openButton.addActionListener(e -> {
        JFileChooser chooser = new JFileChooser(new File("."));
        chooser.setDialogTitle("Select RedstoneLamp server home");
        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        chooser.setAcceptAllFileFilterUsed(false);
        int action = chooser.showOpenDialog(frame);
        if (action == JFileChooser.APPROVE_OPTION) {
            File selected = chooser.getSelectedFile();
            File jar = new File("RedstoneLamp.jar");
            if (!jar.isFile()) {
                int result = JOptionPane.showConfirmDialog(frame, "Could not find RedstoneLamp installation. "
                        + "Would you like to install RedstoneLamp there?");
                if (result == JOptionPane.YES_OPTION) {
                    installCallback(frame, selected);
                }
                return;
            }
            frame.dispose();
            addHistory(selected);
            currentRoot = new ServerActivity(selected);
        }
    });
    right.add(openButton);
    JButton installButton = new JButton("Install server at...");
    installButton.addActionListener(e -> {
        JFileChooser chooser = new JFileChooser(".");
        chooser.setDialogTitle("Select directory to install server in");
        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        chooser.setAcceptAllFileFilterUsed(false);
        int action = chooser.showSaveDialog(frame);
        if (action == JFileChooser.APPROVE_OPTION) {
            File selected = chooser.getSelectedFile();
            File jar = new File("RedstoneLamp.jar");
            if (jar.isFile()) {
                int result = JOptionPane.showConfirmDialog(frame, "A RedstoneLamp jar installation is present. "
                        + "Are you sure you want to reinstall RedstoneLamp there?");
                if (result == JOptionPane.NO_OPTION) {
                    frame.dispose();
                    addHistory(selected);
                    currentRoot = new ServerActivity(selected);
                    return;
                }
            }
            installCallback(frame, selected);
        }
    });
    frame.add(lowPanel);
    frame.pack();
    Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
    frame.setLocation(dimension.width / 2 - frame.getSize().width / 2,
            dimension.height / 2 - frame.getSize().height / 2);
    frame.setVisible(true);
}

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From source file:RegexTable.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Regexing JTable");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Object rows[][] = { { "A", "About", 44.36 }, { "B", "Boy", 44.84 }, { "C", "Cat", 463.63 },
            { "D", "Day", 27.14 }, { "E", "Eat", 44.57 }, { "F", "Fail", 23.15 }, { "G", "Good", 4.40 },
            { "H", "Hot", 24.96 }, { "I", "Ivey", 5.45 }, { "J", "Jack", 49.54 }, { "K", "Kids", 280.00 } };
    String columns[] = { "Symbol", "Name", "Price" };
    TableModel model = new DefaultTableModel(rows, columns) {
        public Class getColumnClass(int column) {
            Class returnValue;/*w ww.java  2  s. com*/
            if ((column >= 0) && (column < getColumnCount())) {
                returnValue = getValueAt(0, column).getClass();
            } else {
                returnValue = Object.class;
            }
            return returnValue;
        }
    };

    final JTable table = new JTable(model);
    final TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>(model);
    table.setRowSorter(sorter);
    JScrollPane pane = new JScrollPane(table);
    frame.add(pane, BorderLayout.CENTER);

    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel("Filter");
    panel.add(label, BorderLayout.WEST);
    final JTextField filterText = new JTextField("A");
    panel.add(filterText, BorderLayout.CENTER);
    frame.add(panel, BorderLayout.NORTH);
    JButton button = new JButton("Filter");
    button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String text = filterText.getText();
            if (text.length() == 0) {
                sorter.setRowFilter(null);
            } else {
                sorter.setRowFilter(RowFilter.regexFilter(text));
            }
        }
    });
    frame.add(button, BorderLayout.SOUTH);
    frame.setSize(300, 250);
    frame.setVisible(true);
}

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From source file:ResourceModExample.java

public static void main(String[] args) {
    Border border = BorderFactory.createRaisedBevelBorder();
    Border tripleBorder = new CompoundBorder(new CompoundBorder(border, border), border);

    UIManager.put("Button.border", tripleBorder);

    UIManager.put("InternalFrame.closeIcon", new ImageIcon("close.gif"));
    UIManager.put("InternalFrame.iconizeIcon", new ImageIcon("iconify.gif"));
    UIManager.put("InternalFrame.maximizeIcon", new ImageIcon("maximize.gif"));
    UIManager.put("InternalFrame.altMaximizeIcon", new ImageIcon("altMax.gif"));

    UIManager.put("InternalFrame.titleFont", new Font("Serif", Font.ITALIC, 12));

    UIManager.put("ScrollBar.width", new Integer(30));

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container c = f.getContentPane();

    JDesktopPane desk = new JDesktopPane();
    c.add(desk, BorderLayout.CENTER);

    JButton cut = new JButton("Cut");
    JButton copy = new JButton("Copy");
    JButton paste = new JButton("Paste");

    JPanel p = new JPanel(new FlowLayout());
    p.add(cut);//from   ww w . ja v a 2s.c  om
    p.add(copy);
    p.add(paste);
    c.add(p, BorderLayout.SOUTH);

    JInternalFrame inf = new JInternalFrame("MyFrame", true, true, true, true);
    JLabel l = new JLabel(new ImageIcon("luggage.jpeg"));
    JScrollPane scroll = new JScrollPane(l);
    inf.setContentPane(scroll);
    inf.setBounds(10, 10, 350, 280);
    desk.add(inf);
    inf.setVisible(true);

    f.setSize(380, 360);
    f.setVisible(true);
}

---

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    Container contentPane = frame.getContentPane();
    ActionListener listener = new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            System.out.println("Command: " + e.getActionCommand());
            int modifiers = e.getModifiers();
            System.out.println("\tALT : " + checkMod(modifiers, ActionEvent.ALT_MASK));
            System.out.println("\tCTRL : " + checkMod(modifiers, ActionEvent.CTRL_MASK));
            System.out.println("\tMETA : " + checkMod(modifiers, ActionEvent.META_MASK));
            System.out.println("\tSHIFT: " + checkMod(modifiers, ActionEvent.SHIFT_MASK));
            Object source = e.getSource();
            if (source instanceof JComboBox) {
                JComboBox jb = (JComboBox) source;
                System.out.println("Combo: " + jb.getSelectedItem());
            }//w  w  w .  j  av  a  2  s .  com
        }

        private boolean checkMod(int modifiers, int mask) {
            return ((modifiers & mask) == mask);
        }
    };

    String flavors[] = { "Item 1", "Item 2", "Item 3" };
    JComboBox jc = new JComboBox(flavors);
    jc.setMaximumRowCount(4);
    jc.setEditable(true);
    jc.addActionListener(listener);
    contentPane.add(jc, BorderLayout.NORTH);

    JButton b = new JButton("Button!");
    b.addActionListener(listener);
    contentPane.add(b, BorderLayout.CENTER);

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

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

---

From source file:BorderSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Sample Borders");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Border bevelBorder = new BevelBorder(BevelBorder.RAISED, Color.red, Color.red.darker(), Color.pink,
            Color.pink.brighter());
    Border emptyBorder = new EmptyBorder(5, 10, 5, 10);
    Border etchedBorder = new EtchedBorder(EtchedBorder.RAISED, Color.red, Color.pink);
    Border lineBorder = new LineBorder(Color.red, 5);
    Icon diamondIcon = new DiamondIcon(Color.red);
    Border matteBorder = new MatteBorder(5, 10, 5, 10, diamondIcon);
    Border softBevelBorder = new SoftBevelBorder(BevelBorder.RAISED, Color.red, Color.red.darker(), Color.pink,
            Color.pink.brighter());
    Font font = new Font("Serif", Font.ITALIC, 12);
    Border titledBorder = new TitledBorder(lineBorder, "Hello", TitledBorder.LEFT, TitledBorder.BELOW_BOTTOM,
            font, Color.red);/*from www . j ava 2s  .  co  m*/
    Border compoundBorder = new CompoundBorder(lineBorder, matteBorder);

    JLabel bevelLabel = new JLabel("Bevel");
    bevelLabel.setBorder(bevelBorder);
    bevelLabel.setHorizontalAlignment(JLabel.CENTER);
    JLabel emptyLabel = new JLabel("Empty");
    emptyLabel.setBorder(emptyBorder);
    emptyLabel.setHorizontalAlignment(JLabel.CENTER);
    JLabel etchedLabel = new JLabel("Etched");
    etchedLabel.setBorder(etchedBorder);
    etchedLabel.setHorizontalAlignment(JLabel.CENTER);
    JLabel lineLabel = new JLabel("Line");
    lineLabel.setBorder(lineBorder);
    lineLabel.setHorizontalAlignment(JLabel.CENTER);
    JLabel matteLabel = new JLabel("Matte");
    matteLabel.setBorder(matteBorder);
    matteLabel.setHorizontalAlignment(JLabel.CENTER);
    JLabel softBevelLabel = new JLabel("Soft Bevel");
    softBevelLabel.setBorder(softBevelBorder);
    softBevelLabel.setHorizontalAlignment(JLabel.CENTER);
    JLabel titledLabel = new JLabel("Titled");
    titledLabel.setBorder(titledBorder);
    titledLabel.setHorizontalAlignment(JLabel.CENTER);
    JLabel compoundLabel = new JLabel("Compound");
    compoundLabel.setBorder(compoundBorder);
    compoundLabel.setHorizontalAlignment(JLabel.CENTER);

    Container contentPane = frame.getContentPane();
    contentPane.setLayout(new GridLayout(2, 4, 5, 5));
    contentPane.add(bevelLabel);
    contentPane.add(emptyLabel);
    contentPane.add(etchedLabel);
    contentPane.add(lineLabel);
    contentPane.add(matteLabel);
    contentPane.add(softBevelLabel);
    contentPane.add(titledLabel);
    contentPane.add(compoundLabel);
    frame.setSize(400, 200);
    frame.setVisible(true);
}

---

From source file:ActionTest.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    Container contentPane = frame.getContentPane();
    ActionListener listener = new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            System.out.println("Command: " + e.getActionCommand());
            System.out.println("Modifiers: ");
            int modifiers = e.getModifiers();
            System.out.println("\tALT : " + checkMod(modifiers, ActionEvent.ALT_MASK));
            System.out.println("\tCTRL : " + checkMod(modifiers, ActionEvent.CTRL_MASK));
            System.out.println("\tMETA : " + checkMod(modifiers, ActionEvent.META_MASK));
            System.out.println("\tSHIFT: " + checkMod(modifiers, ActionEvent.SHIFT_MASK));
            Object source = e.getSource();
            if (source instanceof JComboBox) {
                JComboBox jb = (JComboBox) source;
                System.out.println("Combo: " + jb.getSelectedItem());
            }//  ww  w  .  j ava2  s . c o  m
        }

        private boolean checkMod(int modifiers, int mask) {
            return ((modifiers & mask) == mask);
        }
    };

    String flavors[] = { "Item 1", "Item 2", "Item 3" };
    JComboBox jc = new JComboBox(flavors);
    jc.setMaximumRowCount(4);
    jc.setEditable(true);
    jc.addActionListener(listener);
    contentPane.add(jc, BorderLayout.NORTH);

    JButton b = new JButton("Button!");
    b.addActionListener(listener);
    contentPane.add(b, BorderLayout.CENTER);

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

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

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From source file:OvalBorder.java

public static void main(String[] s) {
    JFrame f = new JFrame("Oval Border");
    f.setSize(100, 100);/* w  w w  .ja v  a2s .co m*/

    JPanel p = new JPanel(new GridLayout(0, 1, 5, 5));
    JLabel l = new JLabel("Oval Border");

    l.setBorder(new OvalBorder());

    p.add(l);
    p.setBorder(new OvalBorder());

    f.getContentPane().add(p);
    f.show();
}

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