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ToolBarDemo2.javaAPI DocExample3320Tue Dec 12 18:59:18 GMT 2000None

ToolBarDemo2

public class ToolBarDemo2 extends JFrame

Fields Summary
protected JTextArea
textArea
protected String
newline
Constructors Summary
public ToolBarDemo2()


      
        //Do frame stuff.
        super("ToolBarDemo2");
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });

        //Create the toolbar.
        JToolBar toolBar = new JToolBar();
        toolBar.setFloatable(false);
        addButtons(toolBar);

        //Create the text area used for output.
        textArea = new JTextArea(5, 30);
        JScrollPane scrollPane = new JScrollPane(textArea);

        //Lay out the content pane.
        JPanel contentPane = new JPanel();
        contentPane.setLayout(new BorderLayout());
        contentPane.setPreferredSize(new Dimension(400, 100));
        contentPane.add(toolBar, BorderLayout.NORTH);
        contentPane.add(scrollPane, BorderLayout.CENTER);
        setContentPane(contentPane);
Methods Summary
protected voidaddButtons(javax.swing.JToolBar toolBar)

        JButton button = null;

        //first button
        button = new JButton(new ImageIcon("images/left.gif"));
        button.setToolTipText("This is the left button");
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                displayResult("Action for first button");
            }
        });
        toolBar.add(button);

        //second button
        button = new JButton(new ImageIcon("images/middle.gif"));
        button.setToolTipText("This is the middle button");
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                displayResult("Action for second button");
            }
        });
        toolBar.add(button);

        //third button
        button = new JButton(new ImageIcon("images/right.gif"));
        button.setToolTipText("This is the right button");
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                displayResult("Action for third button");
            }
        });
        toolBar.add(button);

        //separator
        toolBar.addSeparator();

        //fourth button
        button = new JButton("Another button");
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                displayResult("Action for fourth button");
            }
        });
        toolBar.add(button);

        //fifth component is NOT a button!
        JTextField textField = new JTextField("A text field");
        //Action handler implementation would go here.
        toolBar.add(textField);
protected voiddisplayResult(java.lang.String actionDescription)

        textArea.append(actionDescription + newline);
public static voidmain(java.lang.String[] args)

        ToolBarDemo2 frame = new ToolBarDemo2();
        frame.pack();
        frame.setVisible(true);