drupal/modules/views.views.inc

<?php

/**
 * @file
 * Provide views data and handlers that aren't tied to any other module.
 *
 * @ingroup views_module_handlers
 */

/**
 * Implements hook_views_data().
 */
function views_views_data() {
  $data['views']['table']['group'] = t('Global');
  $data['views']['table']['join'] = array(
    // #global is a special flag which let's a table appear all the time.
  '#global' => array(),
  );

  $data['views']['random'] = array(
  'title' => t('Random'),
  'help' => t('Randomize the display order.'),
  'sort' => array(
    'id' => 'random',
    ),
  );

  $data['views']['null'] = array(
    'title' => t('Null'),
    'help' => t('Allow a contextual filter value to be ignored. The query will not be altered by this contextual filter value. Can be used when contextual filter values come from the URL, and a part of the URL needs to be ignored.'),
    'argument' => array(
      'id' => 'null',
    ),
  );

  $data['views']['nothing'] = array(
    'title' => t('Custom text'),
    'help' => t('Provide custom text or link.'),
    'field' => array(
      'id' => 'custom',
    ),
  );

  $data['views']['counter'] = array(
    'title' => t('View result counter'),
    'help' => t('Displays the actual position of the view result'),
    'field' => array(
      'id' => 'counter',
    ),
  );

  $data['views']['area'] = array(
    'title' => t('Text area'),
    'help' => t('Provide markup text for the area.'),
    'area' => array(
      'id' => 'text',
    ),
  );

  $data['views']['area_text_custom'] = array(
    'title' => t('Unfiltered text'),
    'help' => t('Add unrestricted, custom text or markup. This is similar to the custom text field.'),
    'area' => array(
      'id' => 'text_custom',
    ),
  );

  $data['views']['view'] = array(
    'title' => t('View area'),
    'help' => t('Insert a view inside an area.'),
    'area' => array(
      'id' => 'view',
    ),
  );

  $data['views']['result'] = array(
    'title' => t('Result summary'),
    'help' => t('Shows result summary, for example the items per page.'),
    'area' => array(
      'id' => 'result',
    ),
  );

  if (module_exists('contextual')) {
    $data['views']['contextual_links'] = array(
      'title' => t('Contextual Links'),
      'help' => t('Display fields in a contextual links menu.'),
      'field' => array(
        'id' => 'contextual_links',
      ),
    );
  }

  $data['views']['combine'] = array(
   'title' => t('Combine fields filter'),
    'help' => t('Combine two fields together and search by them.'),
    'filter' => array(
      'id' => 'combine',
    ),
  );

  return $data;
}