An example of JToolBar : Toolbar « Swing JFC « Java






An example of JToolBar

An example of JToolBar
    
/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly 
*/
// ToolBarExample.java
// An example of JToolBar. The actions used to build the toolbar are also
// placed in a JMenu to further demonstrate the flexibility of the Action
// class. (See the examples in Chapter 3 for more details on Action.)
//

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.AbstractAction;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
import javax.swing.JTextPane;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.border.BevelBorder;

public class ToolBarExample extends JPanel {

  public JTextPane pane;

  public JMenuBar menuBar;

  public JToolBar toolBar;

  String fonts[] = { "Serif", "SansSerif", "Monospaced", "Dialog",
      "DialogInput" };

  public ToolBarExample() {
    menuBar = new JMenuBar();

    // Create a set of actions to use in both the menu and toolbar
    DemoAction leftJustifyAction = new DemoAction("Left", new ImageIcon(
        "1.gif"), "Left justify text", 'L');
    DemoAction rightJustifyAction = new DemoAction("Right", new ImageIcon(
        "2.gif"), "Right justify text", 'R');
    DemoAction centerJustifyAction = new DemoAction("Center",
        new ImageIcon("3.gif"), "Center justify text", 'M');
    DemoAction fullJustifyAction = new DemoAction("Full", new ImageIcon(
        "4.gif"), "Full justify text", 'F');

    JMenu formatMenu = new JMenu("Justify");
    formatMenu.add(leftJustifyAction);
    formatMenu.add(rightJustifyAction);
    formatMenu.add(centerJustifyAction);
    formatMenu.add(fullJustifyAction);

    menuBar.add(formatMenu);

    toolBar = new JToolBar("Formatting");
    toolBar.add(leftJustifyAction);
    toolBar.add(rightJustifyAction);
    toolBar.add(centerJustifyAction);
    toolBar.add(fullJustifyAction);

    toolBar.addSeparator();
    JLabel label = new JLabel("Font");
    toolBar.add(label);

    toolBar.addSeparator();
    JComboBox combo = new JComboBox(fonts);
    combo.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        try {
          pane.getStyledDocument().insertString(
              0,
              "Font ["
                  + ((JComboBox) e.getSource())
                      .getSelectedItem() + "] chosen!\n",
              null);
        } catch (Exception ex) {
          ex.printStackTrace();
        }
      }
    });
    toolBar.add(combo);

    //  Disable one of the Actions
    fullJustifyAction.setEnabled(false);
  }

  public static void main(String s[]) {

    ToolBarExample example = new ToolBarExample();
    example.pane = new JTextPane();
    example.pane.setPreferredSize(new Dimension(250, 250));
    example.pane.setBorder(new BevelBorder(BevelBorder.LOWERED));
    example.toolBar.setMaximumSize(example.toolBar.getSize());

    JFrame frame = new JFrame("Menu Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setJMenuBar(example.menuBar);
    frame.getContentPane().add(example.toolBar, BorderLayout.NORTH);
    frame.getContentPane().add(example.pane, BorderLayout.CENTER);
    frame.pack();
    frame.setVisible(true);
  }

  class DemoAction extends AbstractAction {

    public DemoAction(String text, Icon icon, String description,
        char accelerator) {
      super(text, icon);
      putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(accelerator,
          Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()));
      putValue(SHORT_DESCRIPTION, description);
    }

    public void actionPerformed(ActionEvent e) {
      try {
        pane.getStyledDocument().insertString(0,
            "Action [" + getValue(NAME) + "] performed!\n", null);
      } catch (Exception ex) {
        ex.printStackTrace();
      }
    }
  }
}

           
         
    
    
    
  








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