Generate an overview table of older revisions of a node.

File

drupal-6.x/modules/node/node.pages.inc, line 529

Page callbacks for adding, editing, deleting, and revisions management for content.

Code

function node_revision_overview($node) {
  drupal_set_title(t('Revisions for %title', array('%title' => $node->title)));

  $header = array(t('Revision'), array('data' => t('Operations'), 'colspan' => 2));

  $revisions = node_revision_list($node);

  $rows = array();
  $revert_permission = FALSE;
  if ((user_access('revert revisions') || user_access('administer nodes')) && node_access('update', $node)) {
    $revert_permission = TRUE;
  }
  $delete_permission = FALSE;
  if ((user_access('delete revisions') || user_access('administer nodes')) && node_access('delete', $node)) {
    $delete_permission = TRUE;
  }
  foreach ($revisions as $revision) {
    $row = array();
    $operations = array();

    if ($revision->current_vid > 0) {
      $row[] = array('data' => t('!date by !username', array('!date' => l(format_date($revision->timestamp, 'small'), "node/$node->nid"), '!username' => theme('username', $revision)))
        . (($revision->log != '') ? '<p class="revision-log">' . filter_xss($revision->log) . '</p>' : ''),
        'class' => 'revision-current');
      $operations[] = array('data' => theme('placeholder', t('current revision')), 'class' => 'revision-current', 'colspan' => 2);
    }
    else {
      $row[] = t('!date by !username', array('!date' => l(format_date($revision->timestamp, 'small'), "node/$node->nid/revisions/$revision->vid/view"), '!username' => theme('username', $revision)))
        . (($revision->log != '') ? '<p class="revision-log">' . filter_xss($revision->log) . '</p>' : '');
      if ($revert_permission) {
        $operations[] = l(t('revert'), "node/$node->nid/revisions/$revision->vid/revert");
      }
      if ($delete_permission) {
        $operations[] = l(t('delete'), "node/$node->nid/revisions/$revision->vid/delete");
      }
    }
    $rows[] = array_merge($row, $operations);
  }

  return theme('table', $header, $rows);
}