package horstmann.ch10_command;
import java.awt.BorderLayout;

import javax.swing.Action;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JTextArea;
import javax.swing.JToolBar;

/**
   This program demonstrates action objects. Two actions
   insert greetings into a text area. Each action can be
   triggered by a menu item or toolbar button. When an
   action is carried out, the opposite action becomes enabled.
 */
public class CommandTester
{
	public static void main(String[] args)
	{
		JFrame frame = new JFrame();
		JMenuBar bar = new JMenuBar();
		frame.setJMenuBar(bar);
		JMenu menu = new JMenu("Say");
		bar.add(menu);
		JToolBar toolBar = new JToolBar();
		frame.add(toolBar, BorderLayout.NORTH);
		JTextArea textArea = new JTextArea(10, 40);
		frame.add(textArea, BorderLayout.CENTER);

		GreetingAction helloAction = new GreetingAction(
				"Hello, World", textArea);
		helloAction.putValue(Action.NAME, "Hello");
		helloAction.putValue(Action.SMALL_ICON,
				new ImageIcon("hello.png"));

		GreetingAction goodbyeAction = new GreetingAction(
				"Goodbye, World", textArea);
		goodbyeAction.putValue(Action.NAME, "Goodbye");
		goodbyeAction.putValue(Action.SMALL_ICON,
				new ImageIcon("goodbye.png"));

		helloAction.setOpposite(goodbyeAction);
		goodbyeAction.setOpposite(helloAction);
		goodbyeAction.setEnabled(false);

		menu.add(helloAction);
		menu.add(goodbyeAction);

		toolBar.add(helloAction);
		toolBar.add(goodbyeAction);

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.pack();
		frame.setVisible(true);
	}
}