Drupal 7 Rules UI improvements

template.php

<?php

/**
 * Override the rules ui component row theme function so that we can show much
 * more information about each parameter.
 *
 * - Changed "30" to "200" in the truncate_utf8 function call.
 *
 * @ingroup themeable
 */
function MYTHEME_rules_parameter_configuration($variables) {
  $element = $variables['element'];
  $content = drupal_render_children($element);
  // Add the full content to the span's title, but don't use drupal_attributes
  // for that as this would invoke check_plain() again.
  $title = strip_tags($content);
  $element['#attributes']['class'][] = 'rules-parameter-configuration';
  $attributes = drupal_attributes($element['#attributes']) . " title='$title'";

  $label_attributes['class'][] = 'rules-parameter-label';
  if (!empty($element['#info']['description'])) {
    $label_attributes['title'] = $element['#info']['description'];
  }
  $label_attributes = drupal_attributes($label_attributes);

  $output = "<span $label_attributes>" . check_plain($element['#info']['label']) . ': </span>';
  $output .= "<span $attributes>" . truncate_utf8($content, 200, TRUE, TRUE) . "</span>";
  return $output;
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Give us some useful info about a rule when working with them in the UI.
 *
 * @param $form
 * @param $form_state
 */
function MYTHEME_form_rules_admin_reaction_overview_alter(&$form, &$form_state) {
  foreach (['active', 'inactive'] as $status) {
    foreach ($form[$status]['#rows'] as &$row) {
      $machine_name = str_replace('Machine name: ', '', $row[0]['data']['description']['settings']['machine_name']['#markup']);
      if (!empty($machine_name)) {
        $rule = rules_config_load($machine_name);

        if ($rule instanceof RulesTriggerableInterface) {
          $events = [];
          foreach ($rule->events() as $event_name) {
            $event_handler = rules_get_event_handler($event_name, $rule->getEventSettings($event_name));
            $summary = $event_handler->summary();
            /** @var array $info */
            $info = $event_handler->getEventInfo();

            if (!empty($info['group'])) {
              $summary = "<small>({$info['group']})</small> " . $summary;
            }
            $events[] = $summary;
          }

          $row[1] = implode('<br>', $events);
        }
      }
    }
  }
}

/**
 * Implements theme_rules_content_group().
 *
 * Give us some useful info about a rule when working with them in the UI.
 *
 * @param $variables
 *
 * @return string
 */
function MYTHEME_rules_content_group($variables) {
  $machine_name = str_replace('Machine name: ', '', $variables['element']['machine_name']['#markup']);
  if (!empty($machine_name)) {
    /** @var \RulesPlugin $rule */
    $rule = rules_config_load($machine_name);

    if (!empty($rule) && !empty($rule->module)) {
      $variables['element']['module'] = [
        '#markup' => t('Module') . ': ' . $rule->module,
      ];
      ksort($variables['element']);
    }
  }

  $element = $variables['element'];
  $output = array();
  foreach (element_children($element) as $key) {
    $output[] = drupal_render($element[$key]);
  }
  $output = array_filter($output);
  $heading = !empty($element['#caption']) ? "<span class='rules-content-heading'>" . $element['#caption'] . ': </span>' : '';
  if (!empty($output)) {
    $element['#attributes']['class'][] = 'rules-element-content-group';
    return '<div' . drupal_attributes($element['#attributes']) . '>' . $heading . implode('<br>', $output) . '</div>';
  }
}