function terms_of_use_form_user_register_alter in Terms of Use 6

Implementation of hook_form_form_id_alter().

File

./terms_of_use.module, line 130

Adds Terms of Use to the 'user_register' form.

Code

function terms_of_use_form_user_register_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;
  }
  $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,
  );
  $show_terms = TRUE;

  // 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);

    // The node could be loaded.
    if ($node->nid) {

      // Show terms on the registration for or just a link?s
      if (strpos($checkbox_label, '@link') !== FALSE) {
        $checkbox_label = str_replace('@link', l($node->title, 'node/' . $node->nid), $checkbox_label);
        $show_terms = FALSE;
      }

      // Adding the nodes body by theme_terms_of_use() to the fieldset if desired.
      if ($show_terms) {
        $node = node_prepare(node_load($terms_of_use_node_id));
        if ($node->body) {
          drupal_add_css(drupal_get_path('module', 'terms_of_use') . '/terms_of_use.css');
          $form['terms_of_use']['terms_of_use_text'] = array(
            '#value' => theme('terms_of_use', $node->body, $node),
          );
        }
        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('Administer terms of use', 'admin/settings/terms_of_use'));
        }
      }
    }
    else {
      watchdog('Terms of use', 'The terms of use node could not be loaded. Please check the settings and the node.', array(), WATCHDOG_ALERT, l('Administer terms of use', 'admin/settings/terms_of_use'));
    }
  }
  else {
    watchdog('Terms of use', 'No node is set to use as terms of use in the currecnt language [' . $GLOBALS['language']->language . '].', array(), WATCHDOG_NOTICE, l('Administer terms of use', 'admin/settings/terms_of_use'));
  }

  // Checkbox validate handles denoting required checkboxes for us
  if (module_exists('checkbox_validate')) {
    $asterisk = '';
  }
  else {
    $asterisk = '&nbsp;<span class="form-required" title="' . t('This field is required') . '">*</span>';
  }

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