package e4s.tutorial;

import e4s.html.*;
import e4s.html.navigation.*;
import e4s.servlet.*;

import java.io.*;
import java.util.*;
import java.text.*;

/**
 * A menu for navigation.
 *
 * {@tutorial Example_Menu}
 */
public class Example_Menu extends E4ModuleImplementation
{
   public static E4Method start = null;
   public static E4Method functionSub = null;
   public static E4Method functionA1 = null;
   public static E4Method functionA2 = null;
   public static E4Method functionB = null;
   public static E4Method functionC = null;
   
   public void start( HTML html, E4CgiParams params )
   throws Exception
   {
		E4MenuFrameset mFrameset = html.MenuFrameset("MENUEXAMPLE.1",E4Menu.MENU_STYLE_IMAGES_B2,getServlet());
		
		// add a menu item, remember the created ID of this item (which propably might be 1)
		// and mark it as the active menu item
		int id = mFrameset.addMenuItem( "Function A",new A(functionSub));
		mFrameset.changeActive(id);
		
		// add other menu items
		mFrameset.addMenuItem( "Function B",functionB);
		mFrameset.addMenuItem( "Function C",functionC);
	}

   public void functionSub( HTML html )
   {
      E4MenuFrameset mFrameset = html.MenuFrameset("MENUEXAMPLE.2",E4Menu.MENU_STYLE_IMAGES_B3,getServlet());
      
      // add other menu items
      mFrameset.addMenuItem( "Function A1",functionA1);
      mFrameset.addMenuItem( "Function A2",functionA2);
   }

   public void functionA1( HTML html )
   {
      html.println("This is function A1...");
   }

   public void functionA2( HTML html )
   {
      html.println("This is function A2...");
   }

   public void functionB( HTML html )
   {
      html.println("This is function B...");
   }
   
   public void functionC( HTML html )
   {
      html.println("This is function C...");
   }
}