Java by API/javax.swing/AbstractButton

AbstractButton: addActionListener(ActionListener l)

  
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ButtonGroup;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
public class Main extends JFrame {
  public static final String FontName[] = { "Serif", "SansSerif", "Courier" };
  private Font[] fonts = new Font[FontName.length];
  protected JMenuItem[] fontMenus;
  public Main() {
    super();
    setSize(450, 350);    
    for (int k = 0; k < FontName.length; k++)
      fonts[k] = new Font(FontName[k], Font.PLAIN, 12);
    JMenuBar menuBar = createMenuBar();
    setJMenuBar(menuBar);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setVisible(true);
  }
  protected JMenuBar createMenuBar() {
    final JMenuBar menuBar = new JMenuBar();
    JMenu mFont = new JMenu("Font");
    mFont.setMnemonic("o");
    ButtonGroup group = new ButtonGroup();
    fontMenus = new JMenuItem[FontName.length];
    for (int k = 0; k < FontName.length; k++) {
      int m = k + 1;
      fontMenus[k] = new JRadioButtonMenuItem(m + " " + FontName[k]);
      boolean selected = (k == 0);
      fontMenus[k].setSelected(selected);
      fontMenus[k].setMnemonic("1" + k);
      fontMenus[k].setFont(fonts[k]);
      fontMenus[k].addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent arg0) {
          System.out.println(((JComponent) arg0.getSource())
              .getFont());
        }
      });
      group.add(fontMenus[k]);
      mFont.add(fontMenus[k]);
    }
    menuBar.add(mFont);
    return menuBar;
  }
  public static void main(String argv[]) {
    new Main();
  }
}

AbstractButton: addChangeListener(ChangeListener l)

  
/*
 */
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class MainClass {
  public static void main(String[] args) {
    JButton jb = new JButton("Press Me");
    jb.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent ev) {
        System.out.println("ItemEvent!");
      }
    });
    jb.addChangeListener(new ChangeListener() {
      public void stateChanged(ChangeEvent ev) {
        System.out.println("ChangeEvent!");
      }
    });
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(jb);
    f.pack();
    f.setVisible(true);
  }
}

AbstractButton: addItemListener(ItemListener l)

  
/*
 */
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class MainClass {
  public static void main(String[] args) {
    JButton jb = new JButton("Press Me");
    jb.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent ev) {
        System.out.println("ItemEvent!");
      }
    });
    jb.addChangeListener(new ChangeListener() {
      public void stateChanged(ChangeEvent ev) {
        System.out.println("ChangeEvent!");
      }
    });
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(jb);
    f.pack();
    f.setVisible(true);
  }
}

AbstractButton: getActionCommand()

  
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.AbstractButton;
import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JRadioButton;
public class MainClass {
  public static void main(String[] args) {
    JRadioButton dem = new JRadioButton("Bill", false);
    dem.setActionCommand("Bill");
    JRadioButton rep = new JRadioButton("Bob", false);
    rep.setActionCommand("Bob");
    JRadioButton ind = new JRadioButton("Ross", false);
    ind.setActionCommand("Ross");
    final ButtonGroup group = new ButtonGroup();
    group.add(dem);
    group.add(rep);
    group.add(ind);
    class VoteActionListener implements ActionListener {
      public void actionPerformed(ActionEvent ex) {
        String choice = group.getSelection().getActionCommand();
        System.out.println("ACTION Candidate Selected: " + choice);
      }
    }
    class VoteItemListener implements ItemListener {
      public void itemStateChanged(ItemEvent ex) {
        String item = ((AbstractButton) ex.getItemSelectable()).getActionCommand();
        boolean selected = (ex.getStateChange() == ItemEvent.SELECTED);
        System.out.println("ITEM Candidate Selected: " + selected + " Selection: " + item);
      }
    }
    ActionListener al = new VoteActionListener();
    dem.addActionListener(al);
    rep.addActionListener(al);
    ind.addActionListener(al);
    ItemListener il = new VoteItemListener();
    dem.addItemListener(il);
    rep.addItemListener(il);
    ind.addItemListener(il);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container c = frame.getContentPane();
    c.setLayout(new GridLayout(4, 1));
    c.add(new JLabel("Please Cast Your Vote"));
    c.add(dem);
    c.add(rep);
    c.add(ind);
    frame.pack();
    frame.setVisible(true);
  }
}

AbstractButton: setActionCommand(String actionCommand)

  
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.AbstractButton;
import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JRadioButton;
public class MainClass {
  public static void main(String[] args) {
    JRadioButton dem = new JRadioButton("Bill", false);
    dem.setActionCommand("Bill");
    JRadioButton rep = new JRadioButton("Bob", false);
    rep.setActionCommand("Bob");
    JRadioButton ind = new JRadioButton("Ross", false);
    ind.setActionCommand("Ross");
    final ButtonGroup group = new ButtonGroup();
    group.add(dem);
    group.add(rep);
    group.add(ind);
    class VoteActionListener implements ActionListener {
      public void actionPerformed(ActionEvent ex) {
        String choice = group.getSelection().getActionCommand();
        System.out.println("ACTION Candidate Selected: " + choice);
      }
    }
    class VoteItemListener implements ItemListener {
      public void itemStateChanged(ItemEvent ex) {
        String item = ((AbstractButton) ex.getItemSelectable()).getActionCommand();
        boolean selected = (ex.getStateChange() == ItemEvent.SELECTED);
        System.out.println("ITEM Candidate Selected: " + selected + " Selection: " + item);
      }
    }
    ActionListener al = new VoteActionListener();
    dem.addActionListener(al);
    rep.addActionListener(al);
    ind.addActionListener(al);
    ItemListener il = new VoteItemListener();
    dem.addItemListener(il);
    rep.addItemListener(il);
    ind.addItemListener(il);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container c = frame.getContentPane();
    c.setLayout(new GridLayout(4, 1));
    c.add(new JLabel("Please Cast Your Vote"));
    c.add(dem);
    c.add(rep);
    c.add(ind);
    frame.pack();
    frame.setVisible(true);
  }
}

AbstractButton: setBackground(Color bg)

  
import java.awt.Color;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.AbstractButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Iconizing CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox aCheckBox4 = new JCheckBox("Stuffed Crust");
    ItemListener itemListener = new ItemListener() {
      public void itemStateChanged(ItemEvent itemEvent) {
        AbstractButton abstractButton = (AbstractButton)itemEvent.getSource();
        Color foreground = abstractButton.getForeground();
        Color background = abstractButton.getBackground();
        int state = itemEvent.getStateChange();
        if (state == ItemEvent.SELECTED) {
          abstractButton.setForeground(background);
          abstractButton.setBackground(foreground);
        }
      }
    };
    aCheckBox4.addItemListener(itemListener);
    frame.add(aCheckBox4);
    frame.setSize(300, 200);
    frame.setVisible(true);
  }
}

AbstractButton: setForeground(Color fg)

  
import java.awt.Color;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.AbstractButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Iconizing CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox aCheckBox4 = new JCheckBox("Stuffed Crust");
    ItemListener itemListener = new ItemListener() {
      public void itemStateChanged(ItemEvent itemEvent) {
        AbstractButton abstractButton = (AbstractButton)itemEvent.getSource();
        Color foreground = abstractButton.getForeground();
        Color background = abstractButton.getBackground();
        int state = itemEvent.getStateChange();
        if (state == ItemEvent.SELECTED) {
          abstractButton.setForeground(background);
          abstractButton.setBackground(foreground);
        }
      }
    };
    aCheckBox4.addItemListener(itemListener);
    frame.add(aCheckBox4);
    frame.setSize(300, 200);
    frame.setVisible(true);
  }
}

AbstractButton: setHorizontalAlignment(int alignment)

  
import java.awt.BorderLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SwingConstants;
public class MainClass extends JFrame {
  MainClass(String title) {
    super(title);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JButton jb = new JButton("Ok", new ImageIcon("bullet.gif"));
    jb.setHorizontalAlignment(SwingConstants.LEFT);
    jb.setMnemonic("O");
    getContentPane().add(jb, BorderLayout.CENTER);
    jb = new JButton("<html><i>Cancel</i></html>");
    jb.setVerticalAlignment(SwingConstants.BOTTOM);
    jb.setDefaultCapable(true);
    getContentPane().add(jb, BorderLayout.EAST);
    getRootPane().setDefaultButton(jb);
    setSize(200, 100);
    setVisible(true);
  }
  public static void main(String[] args) {
    new MainClass("Button Demo");
  }
}

AbstractButton: setHorizontalTextPosition(int textPosition)

  
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.border.BevelBorder;
public class Main extends JPanel {
  public JMenuBar menuBar;
  public JToolBar toolBar;
  public Main() {
    menuBar = new JMenuBar();
    JMenu justifyMenu = new JMenu("Justify");
    ActionListener actionPrinter = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        System.out.println("Action [" + e.getActionCommand()+ "] performed!\n");
      }
    };
    JCheckBoxMenuItem leftJustify = new JCheckBoxMenuItem("Left",
        new ImageIcon("1.gif"));
    leftJustify.setHorizontalTextPosition(JMenuItem.RIGHT);
    leftJustify.setAccelerator(KeyStroke.getKeyStroke("L", Toolkit
        .getDefaultToolkit().getMenuShortcutKeyMask()));
    leftJustify.addActionListener(actionPrinter);
    JCheckBoxMenuItem rightJustify = new JCheckBoxMenuItem("Right",
        new ImageIcon("2.gif"));
    rightJustify.setHorizontalTextPosition(JMenuItem.RIGHT);
    rightJustify.setAccelerator(KeyStroke.getKeyStroke("R", Toolkit
        .getDefaultToolkit().getMenuShortcutKeyMask()));
    rightJustify.addActionListener(actionPrinter);
    JCheckBoxMenuItem centerJustify = new JCheckBoxMenuItem("Center",
        new ImageIcon("3.gif"));
    centerJustify.setHorizontalTextPosition(JMenuItem.RIGHT);
    centerJustify.setAccelerator(KeyStroke.getKeyStroke("M", Toolkit
        .getDefaultToolkit().getMenuShortcutKeyMask()));
    centerJustify.addActionListener(actionPrinter);
    JCheckBoxMenuItem fullJustify = new JCheckBoxMenuItem("Full",
        new ImageIcon("4.gif"));
    fullJustify.setHorizontalTextPosition(JMenuItem.RIGHT);
    fullJustify.setAccelerator(KeyStroke.getKeyStroke("F", Toolkit
        .getDefaultToolkit().getMenuShortcutKeyMask()));
    fullJustify.addActionListener(actionPrinter);
    justifyMenu.add(leftJustify);
    justifyMenu.add(rightJustify);
    justifyMenu.add(centerJustify);
    justifyMenu.add(fullJustify);
    menuBar.add(justifyMenu);
    menuBar.setBorder(new BevelBorder(BevelBorder.RAISED));
  }
  public static void main(String s[]) {
    Main example = new Main();
    JFrame frame = new JFrame("Menu Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setJMenuBar(example.menuBar);
    frame.pack();
    frame.setVisible(true);
  }
}

AbstractButton: setMnemonic(char mnemonic)

  

import java.awt.Dimension;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
public class Main extends JPanel {
  public Main() {
    JCheckBox m_chkBold = new JCheckBox("Bold");
    m_chkBold.setMnemonic("b");
    m_chkBold.setToolTipText("Bold font");
    add(m_chkBold);
    setBorder(new TitledBorder(new EtchedBorder(), "Effects"));
    JCheckBox m_chkItalic = new JCheckBox("Italic");
    m_chkItalic.setMnemonic("i");
    m_chkItalic.setToolTipText("Italic font");
    add(m_chkItalic);
    JCheckBox m_chkUnderline = new JCheckBox("Underline");
    m_chkUnderline.setMnemonic("u");
    m_chkUnderline.setToolTipText("Underline font");
    add(m_chkUnderline);
    JCheckBox m_chkStrikethrough = new JCheckBox("Strikethrough");
    m_chkStrikethrough.setMnemonic("r");
    m_chkStrikethrough.setToolTipText("Strikethrough font");
    add(m_chkStrikethrough);
    JCheckBox m_chkSubscript = new JCheckBox("Subscript");
    m_chkSubscript.setMnemonic("t");
    m_chkSubscript.setToolTipText("Subscript font");
    add(m_chkSubscript);
    JCheckBox m_chkSuperscript = new JCheckBox("Superscript");
    m_chkSuperscript.setMnemonic("p");
    m_chkSuperscript.setToolTipText("Superscript font");
    add(m_chkSuperscript);
  }
  public static void main(String[] a) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(new Main());
    f.pack();
    f.setSize(new Dimension(300, 200));
    f.setVisible(true);
  }
}