function template_preprocess_maintenance_page in Drupal 7

Same name and namespace in other branches

1. 8 core/includes/theme.inc \template_preprocess_maintenance_page()
2. 6 includes/theme.maintenance.inc \template_preprocess_maintenance_page()
3. 9 core/includes/theme.inc \template_preprocess_maintenance_page()

Process variables for maintenance-page.tpl.php.

The variables array generated here is a mirror of template_preprocess_page(). This preprocessor will run its course when theme_maintenance_page() is invoked. An alternate template file of maintenance-page--offline.tpl.php can be used when the database is offline to hide errors and completely replace the content.

The $variables array contains the following arguments:

• $content

See also

maintenance-page.tpl.php

File

includes/theme.inc, line 2857

The theme system, which controls the output of Drupal.

Code

function template_preprocess_maintenance_page(&$variables) {

  // Add favicon
  if (theme_get_setting('toggle_favicon')) {
    $favicon = theme_get_setting('favicon');
    $type = theme_get_setting('favicon_mimetype');
    drupal_add_html_head_link(array(
      'rel' => 'shortcut icon',
      'href' => drupal_strip_dangerous_protocols($favicon),
      'type' => $type,
    ));
  }
  global $theme;

  // Retrieve the theme data to list all available regions.
  $theme_data = list_themes();
  $regions = $theme_data[$theme]->info['regions'];

  // Get all region content set with drupal_add_region_content().
  foreach (array_keys($regions) as $region) {

    // Assign region to a region variable.
    $region_content = drupal_get_region_content($region);
    isset($variables[$region]) ? $variables[$region] .= $region_content : ($variables[$region] = $region_content);
  }

  // Setup layout variable.
  $variables['layout'] = 'none';
  if (!empty($variables['sidebar_first'])) {
    $variables['layout'] = 'first';
  }
  if (!empty($variables['sidebar_second'])) {
    $variables['layout'] = $variables['layout'] == 'first' ? 'both' : 'second';
  }

  // Construct page title
  if (drupal_get_title()) {
    $head_title = array(
      'title' => strip_tags(drupal_get_title()),
      'name' => variable_get('site_name', 'Drupal'),
    );
  }
  else {
    $head_title = array(
      'name' => variable_get('site_name', 'Drupal'),
    );
    if (variable_get('site_slogan', '')) {
      $head_title['slogan'] = variable_get('site_slogan', '');
    }
  }

  // set the default language if necessary
  $language = isset($GLOBALS['language']) ? $GLOBALS['language'] : language_default();
  $variables['head_title_array'] = $head_title;
  $variables['head_title'] = implode(' | ', $head_title);
  $variables['base_path'] = base_path();
  $variables['front_page'] = url();
  $variables['breadcrumb'] = '';
  $variables['feed_icons'] = '';
  $variables['help'] = '';
  $variables['language'] = $language;
  $variables['language']->dir = $language->direction ? 'rtl' : 'ltr';
  $variables['logo'] = theme_get_setting('logo');
  $variables['messages'] = $variables['show_messages'] ? theme('status_messages') : '';
  $variables['main_menu'] = array();
  $variables['secondary_menu'] = array();
  $variables['site_name'] = theme_get_setting('toggle_name') ? variable_get('site_name', 'Drupal') : '';
  $variables['site_slogan'] = theme_get_setting('toggle_slogan') ? variable_get('site_slogan', '') : '';
  $variables['tabs'] = '';
  $variables['title'] = drupal_get_title();

  // Compile a list of classes that are going to be applied to the body element.
  $variables['classes_array'][] = 'in-maintenance';
  if (isset($variables['db_is_active']) && !$variables['db_is_active']) {
    $variables['classes_array'][] = 'db-offline';
  }
  if ($variables['layout'] == 'both') {
    $variables['classes_array'][] = 'two-sidebars';
  }
  elseif ($variables['layout'] == 'none') {
    $variables['classes_array'][] = 'no-sidebars';
  }
  else {
    $variables['classes_array'][] = 'one-sidebar sidebar-' . $variables['layout'];
  }

  // Dead databases will show error messages so supplying this template will
  // allow themers to override the page and the content completely.
  if (isset($variables['db_is_active']) && !$variables['db_is_active']) {
    $variables['theme_hook_suggestion'] = 'maintenance_page__offline';
  }
}