views_handler_field_node_revision_link_revert.inc

<?php


/**
 * @file
 * Definition of views_handler_field_node_revision_link_revert.
 */

/**
 * Field handler to present a link to revert a node to a revision.
 *
 * @ingroup views_field_handlers
 */
class views_handler_field_node_revision_link_revert extends views_handler_field_node_revision_link {
    
    /**
     * {@inheritdoc}
     */
    public function access() {
        return user_access('revert revisions') || user_access('administer nodes');
    }
    
    /**
     * {@inheritdoc}
     */
    public function render_link($data, $values) {
        list($node, $vid) = $this->get_revision_entity($values, 'update');
        if (!isset($vid)) {
            return;
        }
        // Current revision cannot be reverted.
        if ($node->vid == $vid) {
            return;
        }
        $this->options['alter']['make_link'] = TRUE;
        $this->options['alter']['path'] = 'node/' . $node->nid . "/revisions/{$vid}/revert";
        $this->options['alter']['query'] = drupal_get_destination();
        return !empty($this->options['text']) ? $this->options['text'] : t('revert');
    }

}