materio-base-d7/sites/all/modules/contrib/dev/ctools/ctools_access_ruleset/ctools_access_ruleset.module

<?php

/**
 * @file
 * The ctools_access_ruleset module.
 *
 * This module allows styles to be created and managed on behalf of modules
 * that implement styles.
 *
 * The ctools_access_ruleset tool allows recolorable styles to be created via a miniature
 * scripting language. Panels utilizes this to allow administrators to add
 * styles directly to any panel display.
 */

/**
 * Implementation of hook_permission()
 */
function ctools_access_ruleset_permission() {
  return array(
    'administer ctools access ruleset' => array(
      'title' => t('Administer access rulesets'),
      'description' => t('Add, delete and edit custom access rulesets.'),
    ),
  );
}

/**
 * Implementation of hook_ctools_plugin_directory() to let the system know
 * we implement task and task_handler plugins.
 */
function ctools_access_ruleset_ctools_plugin_directory($module, $plugin) {
  // Most of this module is implemented as an export ui plugin, and the
  // rest is in ctools/includes/ctools_access_ruleset.inc.
  if ($module == 'ctools' && ($plugin == 'export_ui' || $plugin == 'access')) {
    return 'plugins/' . $plugin;
  }
}

/**
 * Implementation of hook_panels_dashboard_blocks().
 *
 * Adds page information to the Panels dashboard.
 */
function ctools_access_ruleset_panels_dashboard_blocks(&$vars) {
  $vars['links']['ctools_access_ruleset'] = array(
    'title' => l(t('Custom ruleset'), 'admin/structure/ctools-rulesets/add'),
    'description' => t('Custom rulesets are combinations of access plugins you can use for access control, selection criteria and pane visibility.'),
  );

  // Load all mini panels and their displays.
  ctools_include('export');
  $items = ctools_export_crud_load_all('ctools_access_ruleset');
  $count = 0;
  $rows = array();

  foreach ($items as $item) {
    $rows[] = array(
      check_plain($item->admin_title),
      array(
        'data' => l(t('Edit'), "admin/structure/ctools-rulesets/list/$item->name/edit"),
        'class' => 'links',
      ),
    );

    // Only show 10.
    if (++$count >= 10) {
      break;
    }
  }

  if ($rows) {
    $content = theme('table', array('rows' => $rows, 'attributes' => array('class' => 'panels-manage')));
  }
  else {
    $content = '<p>' . t('There are no custom rulesets.') . '</p>';
  }

  $vars['blocks']['ctools_access_ruleset'] = array(
    'title' => t('Manage custom rulesets'),
    'link' => l(t('Go to list'), 'admin/structure/ctools-rulesets'),
    'content' => $content,
    'class' => 'dashboard-ruleset',
    'section' => 'right',
  );
}