Club Drupal

<?php

/**

 * @file

 * Stub file for "bootstrap_carousel" theme hook [pre]process functions.

 */

/**

 * Pre-processes variables for the "bootstrap_carousel" theme hook.

 *

 * See template for list of available variables.

 *

 * @param array $variables

 *   An associative array of variables, passed by reference.

 *

 * @see bootstrap-carousel.tpl.php

 *

 * @ingroup theme_preprocess

 */

function bootstrap_preprocess_bootstrap_carousel(array &$variables) {

  $variables['attributes']['class'][] = 'carousel';

  $variables['attributes']['class'][] = 'slide';

  $variables['attributes']['data-ride'] = 'carousel';

  if (empty($variables['attributes']['id'])) {

    $variables['attributes']['id'] = drupal_html_id('carousel');

  }

  $default_data_attributes = array(

    'interval' => 5000,

    'pause' => TRUE,

    'wrap' => TRUE,

  );

  foreach ($default_data_attributes as $name => $value) {

    if ($variables[$name] !== $value) {

      // Convert PHP booleans to the JSON equivalent, otherwise they'll be

      // interpreted as integers when they're parsed.

      if (is_bool($variables[$name])) {

        $variables[$name] = $variables[$name] ? 'true' : 'false';

      }

      $variables['attributes']['data-' . $name] = $variables[$name];

    }

  }

}

/**

 * Processes variables for the "bootstrap_carousel" theme hook.

 *

 * See template for list of available variables.

 *

 * @param array $variables

 *   An associative array of variables, passed by reference.

 *

 * @see bootstrap-carousel.tpl.php

 *

 * @ingroup theme_process

 */

function bootstrap_process_bootstrap_carousel(array &$variables) {

  $variables['target'] = '#' . $variables['attributes']['id'];

  $variables['attributes'] = drupal_attributes($variables['attributes']);

  // Ensure the item arrays are constructed properly for the template.

  foreach ($variables['items'] as $delta => $item) {

    // Convert items that are string into the appropriate array structure.

    if (is_string($item)) {

      $variables['items'][$delta] = array(

        'image' => $item,

      );

    }

    // Populate defaults.

    $variables['items'][$delta] += array(

      'title' => NULL,

      'description' => NULL,

      'url' => NULL,

    );

    if (!empty($variables['items'][$delta]['title'])) {

      $variables['items'][$delta]['title'] = is_scalar($item['title']) ? filter_xss_admin($item['title']) : render($item['title']);

    }

    if (!empty($variables['items'][$delta]['description'])) {

      $variables['items'][$delta]['description'] = is_scalar($item['description']) ? filter_xss_admin($item['description']) : render($item['description']);

    }

  }

}