<?php
/**
 * Example for the Date element
 * 
 * $Id: example_observer_attach_element.php 394 2007-06-17 20:04:18Z gerd $
 *
 * @access		public
 * @package		patForms
 * @subpackage	Examples
 * @author		Sebastian Mordziol <argh@php-tools.net>
 * @license		LGPL, see license.txt for details
 * @link		http://www.php-tools.net
 */

	/**
	 * Main examples prepend file, needed *only* for the examples framework!
	 */
	include_once 'patExampleGen/prepend.php';
	$exampleGen->displayHead( 'Example' );

	
	// EXAMPLE START ------------------------------------------------------

	/**
	 * main patForms class
	 */
	require_once $neededFiles['patForms'];
	
	/**
	 * patErrorManager class
	 */
	require_once $neededFiles['patErrorManager'];

    /**
     * localisation stuff
     */
    require_once $neededFiles['patI18n_configure'];
	
	// element definitions for this example
	$elementsDefinition = array(
		'username' => array(
			'type' => 'String',
			'attributes' => array(
				'required'		=>	'yes',
				'display'		=>	'yes',
				'edit'			=>	'yes',
				'label'			=>	'Username',
				'title'			=>	'Username',
				'description'	=>	'Please enter your username here.',
			),
		),
	);
	
	// create the form
	$form =& patForms::createForm( $elementsDefinition, array( 'name' => 'myForm' ) );
	
	// create the observer we want to use - in this case, the
	// ErrorAttributes observer which enables you to set the
	// attributes collection the element will use if it is
	// not valid.
	$errAtt =& patForms::createObserver( 'ErrorAttributes' );
	$errAtt->setAttributes( array( 'style' => 'background:#cc0000;color:#ffffff;' ) );

	// get the target element
	$el =& $form->getElementByName( 'username' );
	
	// attach the observer to the element
	$el->attachObserver( $errAtt );

	// create the needed renderer
	$renderer	=&	patForms::createRenderer( "Array" );
	
	// set the renderer
	$form->setRenderer( $renderer );
	
	// use auto-validation
	$form->setAutoValidate( 'save' );

	// serialize the elements
	$elements	=	$form->renderForm();
	
	
	// ERROR DISPLAY ------------------------------------------------------
	if( $form->isSubmitted() )
	{
		displayErrors( $form );	// see patExampleGen/customFunctions.php
	}

	// DISPLAY FORM ------------------------------------------------------
	displayForm( $form, $elements ); // see patExampleGen/customFunctions.php


	// EXAMPLE END ------------------------------------------------------
	$exampleGen->displayFooter();
?>