function mefibs_block_view in MEFIBS - More exposed forms in blocks 7

Implements hook_block_view().

File

./mefibs.module, line 249

Primarily Drupal hooks and global API functions to manipulate views and to provide an additional block with an exposed filter form.

Code

function mefibs_block_view($delta) {

  // If this is 32, this should be an md5 hash.
  if (strlen($delta) == 32) {
    $hashes = variable_get('mefibs_block_hashes', array());
    if (!empty($hashes[$delta])) {
      $delta = $hashes[$delta];
    }
  }
  if (strpos($delta, 'mefibs_') === 0) {
    $delta = str_replace('mefibs_', '', $delta);
    $parts = explode('--', $delta);
    if (count($parts) <= 2) {
      return;
    }
    list($view_name, $display_id, $block_id) = $parts;
    $view = views_get_view($view_name);
    $view
      ->init_display();
    $view
      ->set_display($display_id);
    $view
      ->init_handlers();
    if (!mefibs_display_is_mefibs_enabled($view->display_handler)) {
      return;
    }
    $mefibs_blocks = $view->display_handler->extender['mefibs_blocks']
      ->get_enabled_blocks();
    if (!isset($mefibs_blocks[$block_id])) {
      return;
    }
    $elements = mefibs_get_expected_items_for_exposed_form_block($view, $block_id);
    if (count($elements, COUNT_RECURSIVE) > 3) {
      $form = mefibs_exposed_block_form($view, $block_id);
      views_add_contextual_links($form, 'special_block_-exp', $view, $display_id);
      return array(
        'content' => $form,
      );
    }
  }
}