function facebook_comments_box_block_view in Facebook Comments Box 7

Implements hook_block_view().

File

./facebook_comments_box.module, line 44

Add Facebook Comments to selected content types on your site.

Code

function facebook_comments_box_block_view($delta = '') {
  $block = array();
  switch ($delta) {
    case 'facebook_comments_box':
      $fcb_title = '';
      $node_type = '';

      // Get which node types should have comments.
      $fcb_node_types = variable_get('facebook_comments_box_default_node_types', array(
        NULL,
      ));

      // Figure out which node and nodetype we're on, puts comments only on
      // nodes (as opposed to the front page, views pages, term pages, etc.)
      if (arg(0) == 'node' && is_numeric(arg(1))) {
        $nid = arg(1);
        $node = node_load($nid);
        $node_type = $node->type;
        $fcb_title = check_plain($node->title);
      }

      // If the nodetype is set and selected in config, then load the comments
      // on the page.
      if (isset($node_type) && in_array($node_type, $fcb_node_types) && $node->status) {

        // Figure out the current absolute URL.
        $path = isset($_GET['q']) ? $_GET['q'] : '<front>';
        $fcb_url = url($path, array(
          'absolute' => TRUE,
        ));

        // Meta mark up for the page.
        $markup = '<meta property="og:type" content="Article" />';
        $markup .= '<meta property="og:title" content="' . $fcb_title . '"/>';
        $markup .= '<meta property="og:url" content="' . $fcb_url . '"/>';
        $markup .= '<meta property="og:image" content="' . theme_get_setting('logo') . '"/>';
        $markup .= '<meta property="fb:admins" content="' . check_plain(variable_get('facebook_comments_box_admin_id', NULL)) . '">';

        // Setup the array.
        $metafcb = array(
          '#type' => 'markup',
          '#markup' => $markup,
        );

        // Add meta data to the HEAD.
        drupal_add_html_head($metafcb, 'meta-fcb');

        // Set the title of the block.
        $block['subject'] = t('Facebook Comments Box');

        // Set the content of the block.
        $fcb_content = '<div class="facebook-comments-box">';
        $fcb_content .= '<div id="fb-root"></div>';
        $fcb_content .= '<script src="http://connect.facebook.net/en_US/all.js#xfbml=1"></script>';
        $fcb_content .= '<fb:comments href="' . $fcb_url . '" ';
        $fcb_content .= ' num_posts="' . check_plain(variable_get('facebook_comments_box_default_comments', 10)) . '" ';
        $fcb_content .= ' width="' . check_plain(variable_get('facebook_comments_box_default_width', 400)) . '" ';
        $fcb_content .= ' colorscheme="' . variable_get('facebook_comments_box_default_theme', 'light') . '" ></fb:comments></div>';
        $block['content'] = $fcb_content;
      }
      break;
  }
  return $block;
}