function facebookshare_node_view in Facebook Share 7

Same name and namespace in other branches

1. 8 facebookshare.module \facebookshare_node_view()

Implements hook_node_view()

File

./facebookshare.module, line 61

Adds a button to a node to share on a user's Facebook stream

Code

function facebookshare_node_view($node, $view_mode = 'full') {

  // Make sure we're on the right content type.
  if (!in_array($node->type, variable_get('facebookshare_types', array()), TRUE)) {
    return NULL;
  }

  // We only render the button on full pages and on teasers
  if ($view_mode != 'teaser' && $view_mode != 'full') {
    return NULL;
  }

  // Make sure the user has access to use Facebook Share.
  if (!user_access('access facebookshare')) {
    return NULL;
  }

  // Retrieve the location where we should show it
  $location = variable_get('facebookshare_location', array());

  // Check if the current $view_mode has content to show
  if ($view_mode == 'teaser' && !empty($location['teasers']) || $view_mode == 'full' && !empty($location['content'])) {

    // Retrieve the weight and url of the button
    $url = url('node/' . $node->nid, array(
      'absolute' => TRUE,
    ));
    $weight = check_plain(variable_get('facebookshare_weight', -10));

    // Add and theme the button
    $node->content['facebookshare'] = array(
      '#markup' => theme('facebookshare', array(
        'url' => $url,
      )),
      '#weight' => is_numeric($weight) ? (int) $weight : -10,
    );
  }
}