package e4s.tutorial;

import e4s.html.*;
import e4s.html.input.extended.*;
import e4s.servlet.*;

/**
 * A form for entering values using different types of fields.
 *
 * {@tutorial Example_InputForm}
 */
public class Example_InputForm extends E4ModuleImplementation
{
	public static E4Method initForm = null;
	public static E4Method saveValues = null;
 
   
	public E4Fieldset declareFormFields(FORM form)
	{
		E4Fieldset res = form.FIELDSET();
		
		TEXTFIELD firstname = res.TEXTFIELD(new E4InputFieldName("NAME1"),"Firstname",20);

		TEXTFIELD lastname = res.TEXTFIELD(new E4InputFieldName("NAME2"),"Lastname",10,20);
		lastname.layoutToNextRow(false);	

		FLOATFIELD weight = res.FLOATFIELD(new E4InputFieldName("WEIGHT"),"Weight",8);
		weight.setValidation(0.0f,200.0f);
		// weight.layoutToNextRow(true); 
		 
		LONGFIELD age = res.LONGFIELD(new E4InputFieldName("AGE"),"Age",3);
		age.layoutToNextRow(false); 
		age.setValidation(1,99);
		
		CHECKBOX smoker = res.CHECKBOX(new E4InputFieldName("SMOKER"),"Do you smoke?");
		smoker.layoutToNextRow(false);

		HIDDENFIELD hiddenfield = res.HIDDENFIELD(new E4InputFieldName("REFERENCE_NUMBER"));
		hiddenfield.setValue(12345);
			
		SELECT preferences = res.SELECT(new E4InputFieldName("BUSINESS"),"Your business",new String[]{ "None", "Student", "Worker", "Manager" });
		
		DATEFIELD birthdate = res.DATEFIELD(new E4InputFieldName("BORN"),"Birthdate");
			
		// res.setBorder(true);
		
		res.setLegend("Your personal data");

		return res;
	}
	
	public void initForm( HTML html )
	{
		FORM form = html.BODY().FORM();
		
		declareFormFields(form);
		
		form.setAction(saveValues);
		form.FORM_Submit("Proceed");
		form.FORM_Reset("Clear");
	}
	
	public void saveValues( HTML html, E4CgiParams p )
	throws Exception
	{
		BODY body = html.BODY();

		FORM form = new FORM( html.E4ID(), "Example");
		E4Fieldset person_fields = declareFormFields(form);
		
		person_fields.setValue(p);
		
		if (! person_fields.validate(getServlet()))
		{
			body.addElement(form);
			
			form.setAction(saveValues);
			form.FORM_Submit("Proceed");
			form.FORM_Reset("Clear");
			
			form.B(true);
			form.print("Validation failed, please try your input again");
			form.B(false);
			form.BR();
		}
		else
		{
			body.println("Your input can be processed now, you entered:");
			body.BR();
			
			TABLE test = body.TABLE();
			p.toTable(test);
			
			body.P();
			
			A href = body.A(initForm);
			href.print("[start again]");
		}
	}
}