package e4s.tutorial;

import e4s.html.*;
import e4s.servlet.*;
import e4s.util.E4Images;


/**
 * A simple class, that demonstrates the use of popup elements in HTML pages.
 *
 * {@tutorial Example_Popup}
 */
public class Example_Popup extends E4ModuleImplementation
{
	public static E4Method start = null;
	public static E4Method nextFunction = null;
	
	
	public void start( HTML html )
	throws Exception      
	{
		BODY body = html.BODY();
		
		// first, we must prepare the BODY element for popup support
		A_Popup.prepare(body);
		
		A_Popup hrefA = body.A_Popup("This text will go into popup");
		hrefA.print("This text will be displayed, try move the mouse on it");
		body.P();
		
		A_Popup hrefB = body.A_Popup(nextFunction,"This text will also go into popup");
		hrefB.print("This text will be displayed and you can click on it,");
		hrefB.print("you also can try to move the mouse on it");
		body.P();
		
		// now we crate an element for a popup
		TABLE table = new TABLE(E4ID(),TABLE.E4S_DEFAULT_TABLE());
		table.TR().TD().print("Date and Time");
		table.TR().TD().print(new java.util.Date());
		
		A_Popup hrefC = body.A_Popup(table,getServlet());
		hrefC.print("This text will be displayed, try move the mouse on it and view the table");
		body.P();
		
		A_Popup hrefD = body.A_Popup(nextFunction,table,getServlet());
		hrefD.print("This text will be displayed, try move the mouse on it and view the table");
		hrefD.BR();
		hrefD.print("but you also can click on it");
		// optionally, add a parameter
		hrefD.addParameter("ARGUMENT","Hello");
		body.P();
	}
	
	public void nextFunction( HTML html, E4CgiParams params )
	{
		String argument = params.get("ARGUMENT");
		
		html.println("You clicked, and " + (isok(argument) ? "\"" + argument + "\"" : "no argument") + " was passed");
		
		html.P();
		
		html.A(start).print("back");
	}
}