wordpress disable image being viewed in gallery

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i included this code into my Image Attachment Template (image.php) file to display a gallery of thumbnails for the current post. 

function show_all_gallery_thumbs() 
{
    global $post;
    $post = get_post($post);

     /* image code */
     $images =& get_children( 'post_type=attachment&post_mime_type=image&output=ARRAY_N&orderby=menu_order&order=ASC&post_parent='.$post->post_parent);

     if($images)
     {
         $thumblist = '<ul class="thumbnails">';

         foreach( $images as $imageID => $imagePost )
         {

             unset($the_b_img);
             $the_b_img = wp_get_attachment_image($imageID, array(64,64));
             $thumblist .= '<li class="span1"><a href="'.get_attachment_link($imageID).'" class="thumbnail">'.$the_b_img.'</a></li>';

          }

       $thumblist .= '</ul>';
    }

    return $thumblist;
}

how would i detect which image is being viewed and disable / highlight the image in my gallery thumbnail?

Post Views: 1

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1 comment

  1. you almost go it. all you have to do it get the current image using get_attachment_link() and compare it with your get_attachment_link($imageID)

    here is you code

        function show_all_gallery_thumbs() 
            {
                global $post;
                $post = get_post($post);

                 /* image code */
                 $images =& get_children( 'post_type=attachment&post_mime_type=image&output=ARRAY_N&orderby=menu_order&order=ASC&post_parent='.$post->post_parent);

                 if($images)
                 {
                     $img_current = get_attachment_link(); //get current viewed img

                     $thumblist = '<ul class="thumbnails">';

                     foreach( $images as $imageID => $imagePost )
                     {

                         unset($the_b_img);
                         $the_b_img = wp_get_attachment_image($imageID, array(64,64));
                         $img_list = get_attachment_link($imageID);

                         if ($img_current != $img_list)
                         {
                               $thumblist .= '<li class="span1"><a href="'.$img_list.'" class="thumbnail">'.$the_b_img.'</a></li>';
                         }
                         else //If page img viewed is the same in list, remove href
                         {
                               $thumblist .= '<li class="span1">'.$the_b_img.'</li>';

                         }
                      }

                   $thumblist .= '</ul>';
                }

                return $thumblist;
            }
}

    documentation on get_attachment_link() is available here