function layout_block_list

Menu callback; Lists all blocks and their modules.

File

modules/layout/layout.admin.inc, line 3109

Admin page callbacks for the Layout module.

Code

function layout_block_list() {
  $rows = array();

  $module_blocks = layout_get_block_info();
  $usage = layout_get_block_usage();

  // Get all blocks.
  foreach ($module_blocks as $module => $blocks) {
    if (!empty($blocks)) {
      foreach ($blocks as $delta => $block) {
        $contexts = !empty($block['required contexts']) ? implode(",", $block['required contexts']) : '';
        $usages = array();
        if (isset($usage[$module][$delta])) {
          foreach ($usage[$module][$delta] as $layout => $layout_use) {
            $instances = array();
            foreach ($layout_use as $position => $block_use) {
              foreach ($block_use as $instance) {
                $instances[$position][] = $instance;
              }
            }
            $positions = implode(', ', array_map('ucfirst', array_keys($instances)));
            $usages[] = l($instance->layout_title . ' (' . $positions . ')', 'admin/structure/layouts/manage/' . $layout);
          }
        }
        $usage_list = $usages ? theme('item_list', array('items' => $usages)) : t('Not in use');
        $block_name = theme('label_machine_name__layout_block', array(
          'label' => $block['info'],
          'machine_name' => $delta,
        ));
        $rows[] = array('name' => $block_name, 'usage' => $usage_list, 'module' => $module, 'contexts' => $contexts);
      }
    }
  }

  $header = array(
    array('data' => 'Name', 'field' => 'name', 'sort' => 'ASC'),
    array('data' => 'Usage', 'field' => 'usage', 'sort' => 'ASC'),
    array('data' => 'Module', 'field' => 'module', 'sort' => 'ASC', 'class' => array(RESPONSIVE_PRIORITY_LOW)),
    array('data' => 'Required contexts', 'field' => 'contexts', 'class' => array(RESPONSIVE_PRIORITY_LOW)),
  );

  $order = tablesort_get_order($header);
  $sort = tablesort_get_sort($header);

  backdrop_sort($rows, array($order['sql'] => SORT_STRING));
  $rows = ($sort == 'asc') ? $rows : array_reverse($rows);

  $page['description_container'] = array(
    '#type' => 'container',
  );

  $page['description_container']['description'] = array(
    '#markup' => '<p>' . t("Provides a summary of all available blocks. The 'Usage' column shows which layout and region to which blocks are currently assigned in the format 'Layout name (region)'.") . '<p>',
  );

  $page['table'] = array(
    '#theme' => 'table',
    '#header' => $header,
    '#rows' => $rows,
    '#empty' => t('There are no blocks.'),
  );

  return $page;
}