wmvctbbuttonctl.java

一个温度计的小程序

/* * WmvcTBButtonCtl - implements JButton controller for tool bar
 * (c) 2001, Bruce E. Wampler
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

public class WmvcTBButtonCtl extends WmvcController
{
    private JButton myButton;
    
    // Constructor for JToolBar item:  JButton
    public WmvcTBButtonCtl( String text,        // Button's text
			    String icon,        // the icon's name
			    String tip,         // tool tip
			    WmvcExecutor wExec)
    {
	super((JComponent)new JButton(), tip, wExec);
	
        myButton = (JButton) myComponent;
    
        if (text != null)
            myButton.setText(text);
        if (icon != null)
          {
            Icon theIcon = new ImageIcon(icon);
            myButton.setIcon(theIcon);
          }

        myButton.addActionListener(this);       // add listener
        WmvcApp.getToolBar().add(myButton);     // add to bar
    }    

    public void setEnabled(boolean enable)
    {	myButton.setEnabled(enable);
    }
    public JButton getJButton() { return myButton; }
}