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

public class DrawIt extends JFrame {
    private JMenuBar menuBar;
    private JButton colorHelp, colorButton, RGBButton, newButton, CSHHelp;
    private JPanel drawArea;
    
    public DrawIt() {
	super("Draw-It");
	createGUI(); //A very Simple GUI that does nothing.
	
	HelpSet hs = null;
	try {
	    //Create an URL to the help set file. This is the only place
	    //in the program we need to specify a file name. The help set
	    //file contains all there is to know about the help system.
	    URL hsURL = HelpSet.findHelpSet(null, "help/draw-it.hs");
	    //The HelpSet object "is" the help set file.
	    hs = new HelpSet(null, hsURL);
	} catch (HelpSetException e) { e.printStackTrace(); }
	
	//The HelpBroker contains utility methods for showing appropriate
	//parts of the help system.
	HelpBroker hb = hs.createHelpBroker();
	
	//The method "setHelpMenu()" is not yet implemented so we 
	//have to add the help menu the same way as the other menus.
        JMenu helpMenu = new JMenu("Hjälp");
        menuBar.add(helpMenu);
	JMenuItem content = new JMenuItem("innehåll");
	helpMenu.add(content);
	
	//The following method call adds an action listener to "content"
	//that will show the help page indicated by "top".
	hb.enableHelpOnButton(content, "top", null);
	
	//This displays the helpID of the focused child when the user
	//presses the help key (F1 on windows).
	hb.enableHelpKey(getRootPane(), "top", null);
	
	//CSH contains methods and inner classes that help in creating
	//context-sensitive help. The inner class used as ActionListener
	//in the line below displays the helpID of the Component that
	//sent the ActionEvent,
	colorHelp.addActionListener(new CSH.DisplayHelpFromSource(hb));
	CSH.setHelpIDString(colorHelp, "color");
	
	//This inner class of CSH displays the helpID of the Component
	//the user clicks on.
	CSHHelp.addActionListener(new CSH.DisplayHelpAfterTracking(hb));
	//Set some helpIDs to illustrate the functionality above.
	CSH.setHelpIDString(colorButton, "color");
	CSH.setHelpIDString(RGBButton, "color");
	CSH.setHelpIDString(newButton, "create");
	CSH.setHelpIDString(drawArea, "geometry");
	
        setVisible(true);
    }
    
    private void createGUI() {
	//A very simple GUI that does nothing.
	
        menuBar = new JMenuBar();
        JMenu menu = new JMenu("Arkiv");
        menuBar.add(menu);
	
        JToolBar toolBar = new JToolBar();
	newButton = new JButton("Ny");
        toolBar.add(newButton);
	
	toolBar.addSeparator();
	colorButton = new JButton("Color...");
        toolBar.add(colorButton);
	RGBButton = new JButton("RGB...");
        toolBar.add(RGBButton);
	colorHelp = new JButton("Help");
        toolBar.add(colorHelp);
	
	toolBar.addSeparator();
	CSHHelp = new JButton(new ImageIcon("csh.gif"));
        toolBar.add(CSHHelp);
	
	drawArea = new JPanel();
	drawArea.setBackground(Color.white);
	
        addWindowListener(new WindowAdapter() {
		public void windowClosing(WindowEvent e) {
		    System.exit(0);
		}
	    });
        setJMenuBar(menuBar);
        getContentPane().add(toolBar, BorderLayout.NORTH);
        getContentPane().add(drawArea, BorderLayout.CENTER);
        setSize(400,400);
    }
    
    public static void main(String s[]) {
        new DrawIt();
    }
    
}