<?php
/**
 * Example for the Date element
 * 
 * $Id: example_datasrc_function.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(
		'area' => array(
			'type' => 'Enum',
			'attributes' => array(
				'required'		=>	'yes',
				'display'		=>	'yes',
				'edit'			=>	'yes',
				'label'			=>	'Area',
				'title'			=>	'Area',
				'style'			=>	'width:200px;',
				'description'	=>	'Choose the area to access here.',
				'values'		=>	array(),
			),
		),
	);
	
	// create the form
	$form	=&	patForms::createForm( $elementsDefinition, array( 'name' => 'myForm' ) );
	
	
	// DATASOURCE SETUP ------------------------------------------------------

   /**
	* The dummy function, used as a datasource for a patForms_Element_Enum
	* object
	*
	* @access	public
	* @param	string	$elementName	Name of the element
	* @return	array	$areas			Associative array, keys are values, values are labels
	*/
	function getAreas( $element )
	{
		return	array(
			array(	
				'label' => 'No '.$element->getName(),
				'value'	=>	'1',
			),
			array(	
				'label' => '----------',
				'value'	=>	'',
			),
			array(	
				'label' => 'Foo',
				'value'	=>	'2',
			),
			array(	
				'label' => 'Bar',
				'value'	=>	'3',
			),
		);
	}

	// get the element
	$el =& $form->getElementByName( 'area' );
	
	// set the data source for the enum element. Make sure that you always give
	// the setDataSource() method a variable, as it is passed by reference and
	// just strings will not work.
	$datasourceFunction	=	"getAreas";

	// tell the element to use the datasource function
	$el->setDataSource( $datasourceFunction );


	// PROCESS FORM ------------------------------------------------------

	// 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 ------------------------------------------------------
	// ask the form if it has been submitted and display errors. For
	// convenience and also to keep the examples easy to understand, all
	// the following examples will use teh helper methods of the examples
	// framework to display the errors and the form.
	if( $form->isSubmitted() )
	{
		displayErrors( $form ); // see patExampleGen/customFunctions.php
	}

	// DISPLAY FORM ------------------------------------------------------
	displayForm( $form, $elements ); // see patExampleGen/customFunctions.php
	
	// EXAMPLE END ------------------------------------------------------
	$exampleGen->displayFooter();
?>