function print_ui_block_view in Printer, email and PDF versions 7.2

Implements hook_block_view().

File

print_ui/print_ui.module, line 85

Printer-friendly pages User Interface module.

Code

function print_ui_block_view($delta = '') {
  $block = array();
  switch ($delta) {
    case 'print-links':
      $nid = preg_replace('!^node/!', '', $_GET['q']);
      if (ctype_digit($nid)) {
        $node = node_load($nid);
        if (!node_access('view', $node)) {

          // If the user doesn't have access to the node, don't show any links.
          $block['content'] = '';
          return array();
        }
      }
      else {
        $node = NULL;
      }
      $block['content'] = '';
      foreach (module_implements('print_link') as $module) {
        $function = $module . '_print_link';
        if (function_exists($function)) {
          $link = call_user_func_array($function, array());
          $link_pos = variable_get('print_' . $link['format'] . '_link_pos', drupal_json_decode(PRINT_UI_LINK_POS_DEFAULT));
          if (!empty($link_pos['block'])) {
            $links = print_ui_insert_link($link, array(
              'node' => $node,
              'location' => 'block',
            ));
            if (!empty($links)) {
              $block['content'] .= $links;
            }
          }
        }
      }
      break;
  }
  return $block;
}