terms_of_use.module in Terms of Use 7

Main module file of the terms of use module.

This module adds Terms of Use to the registration page.

File

terms_of_use.module

<?php

/**
 * @file
 * Main module file of the terms of use module.
 *
 * This module adds Terms of Use to the registration page.
 */

/**
 * Implements hook_menu().
 */
function terms_of_use_menu() {
  $items = array();
  $items['admin/config/people/terms_of_use'] = array(
    'description' => 'Add Terms of Use to the registration page.',
    'title' => 'Terms of Use',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'terms_of_use_admin_settings',
    ),
    'access arguments' => array(
      'administer site configuration',
    ),
    'file' => 'terms_of_use.admin.inc',
  );
  $items['terms_of_use/autocomplete'] = array(
    'title' => 'Autocomplete node title',
    'page callback' => 'terms_of_use_autocomplete',
    'access arguments' => array(
      'access content',
    ),
    'type' => MENU_CALLBACK,
    'file' => 'terms_of_use.admin.inc',
  );
  return $items;
}

/**
 * Implements hook_form_form_id_alter().
 */
function terms_of_use_form_user_register_form_alter(&$form, $form_state) {

  // Administrative users can skip this. So admin/user/user/create won't show
  // the terms of use.
  if (user_access('administer users')) {
    return $form;
  }
  $fieldset_name = filter_xss(variable_get('terms_of_use_fieldset_name', t('Terms of Use')));
  $checkbox_label = filter_xss_admin(variable_get('terms_of_use_checkbox_label', t('I agree with these terms')));

  // Adding the fieldset.
  $form['terms_of_use'] = array(
    '#type' => 'fieldset',
    '#title' => $fieldset_name,
    '#weight' => 10,
    '#id' => 'terms-of-use',
  );

  // Getting the nid of the the Terms of Use node.
  $terms_of_use_node_id = variable_get('terms_of_use_node_id', 0);

  // If the translation module is active the node might be available in other
  // languages.
  if (module_exists('translation')) {
    $translations = translation_node_get_translations($terms_of_use_node_id);
    if (!empty($translations[$GLOBALS['language']->language])) {
      $terms_of_use_node_id = $translations[$GLOBALS['language']->language]->nid;
    }
  }

  // A nid for the desired language was found.
  if ($terms_of_use_node_id) {
    $node = node_load($terms_of_use_node_id);

    // If we were able to load the node.
    if ($node->nid) {

      // If we find @link in the text for the terms checkbox we just show a
      // link. Otherwise we show the full terms.
      if (strpos($checkbox_label, '@link') !== FALSE) {
        $checkbox_label = str_replace('@link', l($node->title, 'node/' . $node->nid), $checkbox_label);
      }
      elseif ($items = field_get_items('node', $node, 'body')) {

        // Limit the height of the body text with css.
        $form['#attached']['css'][] = array(
          'data' => '#terms-of-use .fieldset-wrapper {height: 250px; overflow: auto;}',
          'type' => 'inline',
        );
        $form['terms_of_use']['terms_of_use_text']['#markup'] = theme('terms_of_use', array(
          'node' => $node,
          'body' => $items[0],
        ));
      }
      else {
        watchdog('terms_of_use', 'The body field of the "terms of use" node was empty. Please check the the nodes content.', array(), WATCHDOG_ALERT, l(t('Administer terms of use'), 'admin/config/people/terms_of_use'));
      }
    }
    else {
      watchdog('terms_of_use', 'The "terms of use" node could not be loaded. Please check the settings and if the node exists.', array(), WATCHDOG_ALERT, l(t('Administer terms of use'), 'admin/config/people/terms_of_use'));
    }
  }
  else {
    watchdog('terms_of_use', 'No node is set as "terms of use" in the current language [@lang].', array(
      '@lang' => $GLOBALS['language']->language,
    ), WATCHDOG_NOTICE, l(t('Administer terms of use'), 'admin/config/people/terms_of_use'));
  }

  // Adding the checkbox to the fieldset.
  $form['terms_of_use']['terms_of_use'] = array(
    '#type' => 'checkbox',
    '#title' => $checkbox_label,
    '#required' => TRUE,
  );
  return $form;
}

/**
 * Implements hook_theme().
 */
function terms_of_use_theme() {
  return array(
    'terms_of_use' => array(
      'variables' => array(
        'node' => NULL,
        'body' => NULL,
      ),
    ),
  );
}

/**
 * Output the terms of service.
 *
 * The terms of service, already formatted.
 * The $node object, in case we need it.
 */
function theme_terms_of_use($variables) {
  $terms = field_view_value('node', $variables['node'], 'body', $variables['body']);
  $output = '<div id="terms-of-use" class="content clear-block">';
  $output .= $terms['#markup'];
  $output .= '</div>';
  return $output;
}

Functions

Name	Description
terms_of_use_form_user_register_form_alter	Implements hook_form_form_id_alter().
terms_of_use_menu	Implements hook_menu().
terms_of_use_theme	Implements hook_theme().
theme_terms_of_use	Output the terms of service.