me_path_autocomplete.module in Menu Editor 7

Find node paths on menu item creation via autocomplete.

This is a shameless clone of http://drupal.org/project/mpac by stBorchert

File

me_path_autocomplete/me_path_autocomplete.module

<?php

/**
 * @file
 * Find node paths on menu item creation via autocomplete.
 *
 * This is a shameless clone of
 * http://drupal.org/project/mpac
 * by stBorchert
 */

/**
 * Implements hook_menu().
 *
 * @return array
 *   An array of menu items.
 */
function me_path_autocomplete_menu() {
  $items = array();
  $items['mepac/autocomplete'] = array(
    'title' => 'Menu path autocomplete',
    'description' => 'Autocomplete callback for menu path autocomplete',
    /* @see me_path_autocomplete() */
    'page callback' => 'me_path_autocomplete',
    'access callback' => 'user_access',
    'access arguments' => array(
      'access content',
    ),
    'type' => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Page callback for 'mepac/autocomplete'.
 *
 * Finds nodes and URL aliases based on title.
 * Sets a http header, and prints json output.
 *
 * @param string $string
 *   Title of element to find.
 *
 * @see mpac_autocomplete()
 */
function me_path_autocomplete($string = NULL) {
  $args = func_get_args();

  /** @noinspection SuspiciousAssignmentsInspection */
  $string = implode('/', $args);
  $matches = _me_path_autocomplete_get_matches($string);
  drupal_json_output($matches);
}

/**
 * @param string $string
 *
 * @return string[]
 */
function _me_path_autocomplete_get_matches($string) {
  $string = strtolower($string);

  // @todo Do we need to filter this?
  // See https://www.drupal.org/node/2785261 in mpac issue queue.

  # $title = filter_xss_admin($string);
  $matches = _me_path_autocomplete_get_matches_for_placeholders($string);
  if ($string === '') {
    return $matches;
  }
  $like_placeholder = strlen($string) > 3 ? "%" . db_like($string) . "%" : db_like($string) . "%";
  $matches += _me_path_autocomplete_get_matches_for_nodes($like_placeholder);
  $matches += _me_path_autocomplete_get_matches_for_aliases($like_placeholder);
  return $matches;
}

/**
 * @param string $string
 *
 * @return string[]
 *
 * @see _mpac_get_matches_for_nodes()
 */
function _me_path_autocomplete_get_matches_for_placeholders($string) {
  $matches = array();

  /* @see hook_menu_editor_placeholders() */
  foreach (module_invoke_all('menu_editor_placeholders') as $placeholder_code => $placeholder_path) {
    if ($string === '' || false !== strpos($placeholder_code, $string)) {
      $matches[$placeholder_code] = htmlentities($placeholder_code);
    }
  }
  return $matches;
}

/**
 * @param string $like_placeholder
 *
 * @return string[]
 *
 * @see _mpac_get_matches_for_nodes()
 */
function _me_path_autocomplete_get_matches_for_nodes($like_placeholder) {
  $q = db_select('node', 'n');
  $q
    ->fields('n');
  $q
    ->condition('title', $like_placeholder, 'LIKE');
  $q
    ->range(0, 8);
  $matches = array();
  foreach ($q
    ->execute() as $node) {

    // Add node path and title to list.
    if (node_access('view', $node) && $node->status) {
      $node_title = check_plain($node->title);
      $nid = $node->nid;
      $lang = $node->language !== LANGUAGE_NONE ? $node->language . ': ' : '';
      $matches['node/' . $node->nid] = $lang . "{$node_title} [nid:{$nid}]";
    }
  }
  return $matches;
}

/**
 * @param string $like_placeholder
 *
 * @return string[]
 *
 * @see _mpac_get_matches_for_aliases()
 */
function _me_path_autocomplete_get_matches_for_aliases($like_placeholder) {
  if (!module_exists('path')) {
    return array();
  }

  // Get a list of all URL aliases where the destination matches the given
  // string.
  $q = db_select('url_alias');
  $q
    ->fields('url_alias');
  $q
    ->condition('alias', $like_placeholder, 'LIKE');
  $q
    ->range(0, 8);
  $matches = array();
  foreach ($q
    ->execute() as $alias) {

    // Add alias source and destination to list (and add a special marker to
    // the item).
    $lang = $alias->language !== LANGUAGE_NONE ? $alias->language . ': ' : '';
    $src = check_plain($alias->source);
    $dst = check_plain($alias->alias);
    $matches[$alias->source] = $lang . "{$dst} | {$src}";
  }
  return $matches;
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Change path field to autocomplete field.
 *
 * @param array $form
 * @param array $form_state
 */
function me_path_autocomplete_form_menu_editor_overview_form_alter(array &$form, array &$form_state) {
  foreach (element_children($form) as $element_key) {
    $form[$element_key]['link_path']['#autocomplete_path'] = 'mepac/autocomplete';
  }
}

Functions

Name	Description
me_path_autocomplete	Page callback for 'mepac/autocomplete'.
me_path_autocomplete_form_menu_editor_overview_form_alter	Implements hook_form_FORM_ID_alter().
me_path_autocomplete_menu	Implements hook_menu().
_me_path_autocomplete_get_matches
_me_path_autocomplete_get_matches_for_aliases
_me_path_autocomplete_get_matches_for_nodes
_me_path_autocomplete_get_matches_for_placeholders