function fb_connect_block_view in Drupal for Facebook 7.3

Same name and namespace in other branches

1. 7.4 fb_connect.module \fb_connect_block_view()

File

./fb_connect.module, line 258

Support for Facebook Connect features

Code

function fb_connect_block_view($delta = '') {
  if (!fb_is_tab()) {

    // Hide block on tabs, where the $fbu is actually the page, not the user.
    if (strpos($delta, 'login_') === 0) {

      // Login block
      $label = substr($delta, 6);

      // length of 'login_'
      $fb_app = fb_get_app(array(
        'label' => $label,
      ));
      if ($fb_app && ($fb = fb_connect_app_init($fb_app))) {
        $fbu = $fb
          ->getUser();

        //_fb_connect_add_js($fb_app); moved to fb_connect_app_init()
        $base = drupal_get_path('module', 'fb_connect');
        $defaults = variable_get('fb_connect_block_' . $delta, _fb_connect_block_login_defaults());
        if (!$fbu && $GLOBALS['user']->uid >= 1) {

          // Render only logged in user markup.
          $subject = $defaults['user_not_connected']['title'];
          $content = $defaults['user_not_connected']['body']['value'];
          $format = $defaults['user_not_connected']['body']['format'];
          $subject_connected = NULL;
          $content_connected = NULL;
        }
        else {

          // Render both connected and not connected markup.
          $subject = $defaults['anon_not_connected']['title'];
          $content = $defaults['anon_not_connected']['body']['value'];
          $format = $defaults['anon_not_connected']['body']['format'];
          $subject_connected = $defaults['connected']['title'];
          $content_connected = $defaults['connected']['body']['value'];
          $content_connected = str_replace('!fbu', 'loggedinuser', $content_connected);

          // support deprecated !fbu
        }

        // substitute fbu
        $content = str_replace('!fbu', $fbu, $content);

        // substitute perms
        $perms = array();
        drupal_alter('fb_required_perms', $perms);
        $content = str_replace('!perms', implode(',', $perms), $content);

        // Filter output according to settings in block configuration
        $subject = check_plain($subject);
        if ($format) {
          $content = check_markup($content, $format, '', FALSE);
        }
        if ($subject_connected !== NULL) {
          $subject_connected = check_plain($subject_connected);
          if ($format_connected = $defaults['connected']['body']['format']) {
            $content_connected = check_markup($content_connected, $format_connected, FALSE);
          }
        }
        $block = array(
          // Theme fb_markup uses javascript to show/hide the right markup.
          'subject' => theme('fb_markup', array(
            'not_connected' => $subject,
            'connected' => $subject_connected,
          )),
          'content' => theme('fb_markup', array(
            'not_connected' => $content,
            'connected' => $content_connected,
          )),
        );
        return $block;
      }
    }
  }
}