form_example.module

<?php
/**
 * @file
 * Hook implementations for the Form Example module.
 */

/**
 * @defgroup form_example Example: Form API
 * @ingroup examples
 * @{
 * This example demonstrates how to use the form API.
 *
 * The Form Example module is a part of the Examples for Developers project
 * and provides various form API Examples. You can download and experiment with
 * this code at the
 * @link http://backdropcms.org/project/examples Examples for Developers @endlink
 * project page.
 */

/**
 * Implements hook_config_info().
 */
function form_example_config_info() {
  $prefixes['form_example.settings'] = array(
    'label' => t('Form Example settings'),
    'group' => t('Configuration'),
  );
  return $prefixes;
}

/**
 * Implements hook_menu().
 *
 * Here we set up the URLs (menu entries) for the
 * form examples. Note that most of the menu items
 * have page callbacks and page arguments set, with
 * page arguments set to be functions in external files.
 */
function form_example_menu() {
  $items = array();
  $items['examples/form_example'] = array(
    'title' => 'Form Example',
    'page callback' => 'form_example_intro',
    'access callback' => TRUE,
    'expanded' => TRUE,
  );
  $items['examples/form_example/tutorial'] = array(
    'title' => 'Form Tutorial',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_1'),
    'access callback' => TRUE,
    'description' => 'A set of ten tutorials',
    'file' => 'form_example_tutorial.inc',
    'type' => MENU_NORMAL_ITEM,
  );
  $items['examples/form_example/tutorial/1'] = array(
    'title' => '#1',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_1'),
    'access callback' => TRUE,
    'description' => 'Tutorial 1: Simplest form',
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
  );
  $items['examples/form_example/tutorial/2'] = array(
    'title' => '#2',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_2'),
    'access callback' => TRUE,
    'description' => 'Tutorial 2: Form with a submit button',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
  );
  $items['examples/form_example/tutorial/3'] = array(
    'title' => '#3',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_3'),
    'access callback' => TRUE,
    'description' => 'Tutorial 3: Fieldsets',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
  );
  $items['examples/form_example/tutorial/4'] = array(
    'title' => '#4',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_4'),
    'access callback' => TRUE,
    'description' => 'Tutorial 4: Required fields',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
  );
  $items['examples/form_example/tutorial/5'] = array(
    'title' => '#5',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_5'),
    'access callback' => TRUE,
    'description' => 'Tutorial 5: More element attributes',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
  );
  $items['examples/form_example/tutorial/6'] = array(
    'title' => '#6',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_6'),
    'access callback' => TRUE,
    'description' => 'Tutorial 6: Form with a validate handler',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
  );
  $items['examples/form_example/tutorial/7'] = array(
    'title' => '#7',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_7'),
    'access callback' => TRUE,
    'description' => 'Tutorial 7: Form with a submit handler',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
  );
  $items['examples/form_example/tutorial/8'] = array(
    'title' => '#8',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_8'),
    'access callback' => TRUE,
    'description' => 'Tutorial 8: Basic multistep form',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
  );
  $items['examples/form_example/tutorial/9'] = array(
    'title' => '#9',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_9'),
    'access callback' => TRUE,
    'description' => 'Tutorial 9: Form with dynamically added new fields',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
    'weight' => 9,
  );
  $items['examples/form_example/tutorial/10'] = array(
    'title' => '#10',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_tutorial_10'),
    'access callback' => TRUE,
    'description' => 'Tutorial 11: Form with file upload',
    'type' => MENU_LOCAL_TASK,
    'file' => 'form_example_tutorial.inc',
    'weight' => 10,
  );
  $items['examples/form_example/states'] = array(
    'title' => '#states example',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_states_form'),
    'access callback' => TRUE,
    'description' => 'How to use the #states attribute in FAPI',
    'file' => 'form_example_states.inc',
  );
  $items['examples/form_example/wizard'] = array(
    'title' => 'Extensible wizard example',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_wizard'),
    'access callback' => TRUE,
    'description' => 'A general approach to a wizard multistep form.',
    'file' => 'form_example_wizard.inc',
  );
  $items['examples/form_example/element_example'] = array(
    'title' => 'Element example',
    'page callback' => 'backdrop_get_form',
    'page arguments' => array('form_example_element_demo_form'),
    'access callback' => TRUE,
    'file' => 'form_example_elements.inc',
    'weight' => 100,
  );

  return $items;
}

/**
 * Page callback for our general info page.
 */
function form_example_intro() {
  $markup = t('The form example module provides a tutorial, extensible multistep example, an element example, and a #states example');
  return array('#markup' => $markup);
}

/**
 * Implements hook_element_info().
 *
 * To keep the various pieces of the example together in external files,
 * this just returns _form_example_elements().
 */
function form_example_element_info() {
  require_once 'form_example_elements.inc';
  return _form_example_element_info();
}

/**
 * Implements hook_theme().
 *
 * The only theme implementation is by the element example. To keep the various
 * parts of the example together, this actually returns
 * _form_example_element_theme().
 */
function form_example_theme($existing, $type, $theme, $path) {
  require_once 'form_example_elements.inc';
  return _form_example_element_theme($existing, $type, $theme, $path);
}
/**
 * @} End of "defgroup form_example".
 */