function om_maximenu_blocks_visibility in OM Maximenu 8

Same name and namespace in other branches

1. 6 inc/om_maximenu.render.inc \om_maximenu_blocks_visibility()
2. 7 inc/om_maximenu.render.inc \om_maximenu_blocks_visibility()

OM Maximenu content block visibility check

1 call to om_maximenu_blocks_visibility()

om_maximenu_init in inc/om_maximenu.render.inc

Implementation of hook_init().

File

inc/om_maximenu.render.inc, line 297

OM Maximenu Render

Code

function om_maximenu_blocks_visibility() {
  global $user, $theme_key;
  $visible_blocks = array();
  $query = db_select('block', 'b');
  $result = $query
    ->fields('b')
    ->condition('b.theme', $theme_key)
    ->orderBy('b.region')
    ->orderBy('b.weight')
    ->orderBy('b.module')
    ->addTag('block_load')
    ->addTag('translatable')
    ->execute();
  $block_info = $result
    ->fetchAllAssoc('bid');

  // Allow modules to modify the block list.
  drupal_alter('block_list', $block_info);
  $blocks = array();
  foreach ($block_info as $block) {
    $blocks[$block->module . '__' . $block->delta] = $block;
  }

  // Build an array of roles for each block.
  $block_roles = array();
  $result = db_query('SELECT module, delta, rid FROM {block_role}');
  foreach ($result as $record) {
    $block_roles[$record->module][$record->delta][] = $record->rid;
  }
  foreach ($blocks as $key => $block) {

    //if (!isset($block->theme) || !isset($block->status) || $block->theme != $theme_key || $block->status != 1) {

    // This block was added by a contrib module, leave it in the list.

    //continue;

    //}

    // If a block has no roles associated, it is displayed for every role.
    // For blocks with roles associated, if none of the user's roles matches
    // the settings from this block, remove it from the block list.
    if (isset($block_roles[$block->module][$block->delta]) && !array_intersect($block_roles[$block->module][$block->delta], array_keys($user->roles))) {

      // No match.
      unset($blocks[$key]);
      continue;
    }

    // Use the user's block visibility setting, if necessary.
    if ($block->custom != BLOCK_CUSTOM_FIXED) {
      if ($user->uid && isset($user->data['block'][$block->module][$block->delta])) {
        $enabled = $user->data['block'][$block->module][$block->delta];
      }
      else {
        $enabled = $block->custom == BLOCK_CUSTOM_ENABLED;
      }
    }
    else {
      $enabled = TRUE;
    }

    // Limited visibility blocks must list at least one page.
    if ($block->visibility == BLOCK_VISIBILITY_LISTED && empty($block->pages)) {
      $enabled = FALSE;
    }
    if (!$enabled) {
      unset($blocks[$key]);
      continue;
    }

    // Match path if necessary.
    if ($block->pages) {

      // Convert path to lowercase. This allows comparison of the same path
      // with different case. Ex: /Page, /page, /PAGE.
      $pages = drupal_strtolower($block->pages);
      if ($block->visibility < BLOCK_VISIBILITY_PHP) {

        // Convert the Drupal path to lowercase
        $path = drupal_strtolower(drupal_get_path_alias($_GET['q']));

        // Compare the lowercase internal and lowercase path alias (if any).
        $page_match = drupal_match_path($path, $pages);
        if ($path != $_GET['q']) {
          $page_match = $page_match || drupal_match_path($_GET['q'], $pages);
        }

        // When $block->visibility has a value of 0 (BLOCK_VISIBILITY_NOTLISTED),
        // the block is displayed on all pages except those listed in $block->pages.
        // When set to 1 (BLOCK_VISIBILITY_LISTED), it is displayed only on those
        // pages listed in $block->pages.
        $page_match = !($block->visibility xor $page_match);
      }
      elseif (module_exists('php')) {
        $page_match = php_eval($block->pages);
      }
      else {
        $page_match = FALSE;
      }
    }
    else {
      $page_match = TRUE;
    }
    if (!$page_match) {
      unset($blocks[$key]);
    }
    if ($page_match) {
      $visible_blocks[] = $key;
    }
  }

  //dsm($visible_blocks);
  return $visible_blocks;
}