revisioning_handler_field_revision_state.inc in Revisioning 7

Handler for the 'Node revision: state' field.

File

views/revisioning_handler_field_revision_state.inc

<?php

/**
 * @file
 * Handler for the 'Node revision: state' field.
 */
class revisioning_handler_field_revision_state extends views_handler_field {
  protected $_node_based = FALSE;

  /**
   * Constructor.
   */
  public function construct() {
    parent::construct();

    // Collect additional data required prior to rendering.
    $this->additional_fields['nid'] = 'nid';
    $this->additional_fields['vid'] = 'vid';
  }

  /**
   * Check for access.
   */
  public function access() {
    return user_access('view revisions');
  }

  /**
   * Modify the query before it's executed.
   */
  public function pre_query() {
    $this->_node_based = $this->view->base_table == 'node' || !empty($this->options['relationship']) && $this->options['relationship'] !== 'none';
    if ($this->_node_based) {
      $this->additional_fields['published'] = array(
        'table' => 'node',
        'field' => 'status',
      );
      $this->additional_fields['current_vid'] = array(
        'table' => 'node',
        'field' => 'vid',
      );
    }
  }

  /**
   * Help build the query.
   */
  public function query() {

    // Not calling parent::query() as it will treat 'state' as a real db field.
    $this
      ->ensure_my_table();
    $this
      ->add_additional_fields();
    if (empty($this->_node_based)) {
      $join = new views_join();
      $join
        ->construct('node', $this->table_alias, 'nid', 'nid');
      $table_alias = $this->query
        ->ensure_table('node', $this->table_alias, $join);
      $this->aliases['published'] = $this->query
        ->add_field($table_alias, 'status');
      $this->aliases['current_vid'] = $this->query
        ->add_field($table_alias, 'vid');
    }
  }

  /**
   * Render the data.
   *
   * Note that $values contains:
   *   o node_revisions_nid (parent node id)
   *   o node_revisions_vid (revision id)
   *   o node_status (published flag)
   *   o node_vid (current revision id)
   */
  public function render($values) {
    $nid = $values->{$this->aliases['nid']};
    $vid = $values->{$this->aliases['vid']};
    $published = $values->{$this->aliases['published']};
    $current_vid = $values->{$this->aliases['current_vid']};
    $is_initial_unpublished_draft = !$published && revisioning_get_number_of_revisions($nid) == 1;
    $is_pending = $vid > $current_vid || $is_initial_unpublished_draft;
    $state_code = $is_pending ? REVISION_PENDING : ($vid == $current_vid ? REVISION_CURRENT : REVISION_ARCHIVED);
    $description = revisioning_revision_states($state_code);
    return $description;
  }

}

Classes

Name	Description
revisioning_handler_field_revision_state	@file Handler for the 'Node revision: state' field.