function node_revision_overview

Page callback: Generates an overview table of older revisions of a node.

Parameters

object $node: A node object.

Return value

array An array as expected by drupal_render().

See also

node_menu()

File

drupal/core/modules/node/node.pages.inc, line 234

Callbacks for adding, editing, and deleting content and managing revisions.

Code

function node_revision_overview($node) {
  drupal_set_title(t('Revisions for %title', array(
    '%title' => $node
      ->label(),
  )), PASS_THROUGH);
  $header = array(
    t('Revision'),
    t('Operations'),
  );
  $revisions = node_revision_list($node);
  $rows = array();
  $type = $node->type;
  $revert_permission = FALSE;
  if ((user_access("revert {$type} revisions") || user_access('revert all revisions') || user_access('administer nodes')) && node_access('update', $node)) {
    $revert_permission = TRUE;
  }
  $delete_permission = FALSE;
  if ((user_access("delete {$type} revisions") || user_access('delete all revisions') || user_access('administer nodes')) && node_access('delete', $node)) {
    $delete_permission = TRUE;
  }
  foreach ($revisions as $revision) {
    $row = array();
    $type = $node->type;
    if ($revision->current_vid > 0) {
      $username = array(
        '#theme' => 'username',
        '#account' => $revision,
      );
      $row[] = array(
        'data' => t('!date by !username', array(
          '!date' => l(format_date($revision->revision_timestamp, 'short'), "node/{$node->nid}"),
          '!username' => drupal_render($username),
        )) . ($revision->log != '' ? '<p class="revision-log">' . filter_xss($revision->log) . '</p>' : ''),
        'class' => array(
          'revision-current',
        ),
      );
      $row[] = array(
        'data' => drupal_placeholder(t('current revision')),
        'class' => array(
          'revision-current',
        ),
      );
    }
    else {
      $username = array(
        '#theme' => 'username',
        '#account' => $revision,
      );
      $row[] = t('!date by !username', array(
        '!date' => l(format_date($revision->revision_timestamp, 'short'), "node/{$node->nid}/revisions/{$revision->vid}/view"),
        '!username' => drupal_render($username),
      )) . ($revision->log != '' ? '<p class="revision-log">' . filter_xss($revision->log) . '</p>' : '');
      if ($revert_permission) {
        $links['revert'] = array(
          'title' => t('Revert'),
          'href' => "node/{$node->nid}/revisions/{$revision->vid}/revert",
        );
      }
      if ($delete_permission) {
        $links['delete'] = array(
          'title' => t('Delete'),
          'href' => "node/{$node->nid}/revisions/{$revision->vid}/delete",
        );
      }
      $row[] = array(
        'data' => array(
          '#type' => 'operations',
          '#links' => $links,
        ),
      );
    }
    $rows[] = $row;
  }
  $build['node_revisions_table'] = array(
    '#theme' => 'table',
    '#rows' => $rows,
    '#header' => $header,
    '#attached' => array(
      'css' => array(
        drupal_get_path('module', 'node') . '/css/node.admin.css',
      ),
    ),
  );
  return $build;
}