1. /**
  2. * Function that handles the ajax response when user clicks a reply button.
  3. */
  4. function modern_comments_reply($node, $pid = NULL) {
  5. if ($node === FALSE) {
  6. return MENU_NOT_FOUND;
  7. }
  8. if (!user_access('post comments') || !user_access('access comments')) {
  9. return MENU_ACCESS_DENIED;
  10. }
  12. // If there is a pid this is a reply to a comment.
  13. if ($pid) {
  14. // Make sure the comment is valid and published.
  15. if (!($comments = comment_load_multiple(array($pid), array('status' => COMMENT_PUBLISHED)))) {
  16. return MENU_NOT_FOUND;
  17. }
  18. $comment = $comments[$pid];
  20. // Make sure the comment belongs to this node.
  21. if ($comment->nid != $node->nid) {
  22. return MENU_NOT_FOUND;
  23. }
  24. }
  26. // Build form.
  27. $obj = (object) array('nid' => $node->nid);
  28. if($pid) $obj->pid = $pid;
  29. $form_build = drupal_get_form("comment_node_{$node->type}_form", $obj);
  30. $form = drupal_render($form_build);
  31. $commands[] = ajax_command_remove("#comments form.comment-form");
  32. if ($pid) {
  33. $commands[] = ajax_command_append("#comment-id-{$comment->cid}", $form);
  34. }
  35. else {
  36. $commands[] = ajax_command_after("#comment-add-section", $form);
  37. $commands[] = ajax_command_invoke(NULL, 'scrolltoel', array('#comment-add-section'));
  38. }
  40. // This is to remove the "Your comment has been posted" status message that
  41. // will appear upon refresh. This seems dirty but it means we don't have to
  42. // rewrite the whole comment_form_submit(). Please chime in if you think this
  43. // is dumb.
  44. modern_comments_remove_status($_SESSION);
  45. return array('#type' => 'ajax', '#commands' => $commands);
  46. }