function node_revision_overview

Generates an overview table of older revisions of a node.

Parameters

$node: A node object.

Return value

array An array as expected by drupal_render().

See also

node_menu()

File

modules/node/node.pages.inc, line 566

Code

function node_revision_overview($node) {
    drupal_set_title(t('Revisions for %title', array(
        '%title' => $node->title,
    )), PASS_THROUGH);
    $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, 'short'), "node/{$node->nid}"),
                    '!username' => theme('username', array(
                        'account' => $revision,
                    )),
                )) . ($revision->log != '' ? '<p class="revision-log">' . filter_xss($revision->log) . '</p>' : ''),
                'class' => array(
                    'revision-current',
                ),
            );
            $operations[] = array(
                'data' => drupal_placeholder(t('current revision')),
                'class' => array(
                    'revision-current',
                ),
                'colspan' => 2,
            );
        }
        else {
            $row[] = t('!date by !username', array(
                '!date' => l(format_date($revision->timestamp, 'short'), "node/{$node->nid}/revisions/{$revision->vid}/view"),
                '!username' => theme('username', array(
                    'account' => $revision,
                )),
            )) . ($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);
    }
    $build['node_revisions_table'] = array(
        '#theme' => 'table',
        '#rows' => $rows,
        '#header' => $header,
    );
    return $build;
}