microdata.pages.inc in Microdata 7

Page callbacks for microdata module.

File

microdata.pages.inc

<?php

/**
 * @file
 * Page callbacks for microdata module.
 */

/**
 * Autocomplete callback; Itemtype textfield.
 *
 * This attempts to autocomplete multiple, comma separated itemtypes. However,
 * the AJAX fails because of issue #93854 (RTBC for Drupal 8).
 */
function microdata_autocomplete_itemtype($input = '') {
  $matches = array();
  $input = drupal_explode_tags($input);
  $string = drupal_strtolower(array_pop($input));
  $types = microdata_get_types();
  if (empty($types)) {
    drupal_json_output(array(
      '' => t('No active vocabularies found. Please enable at least one vocabulary.'),
    ));
    die;
  }
  if ($string) {
    $prefix = count($input) ? drupal_implode_tags($input) . ', ' : '';
    foreach ($types as $type) {
      if (preg_match("/{$string}/", drupal_strtolower($type['url']))) {
        $matches[$prefix . check_plain($type['url'])] = check_plain($type['vocabulary_label']) . ' - ' . check_plain($type['label']);
      }
    }
  }
  drupal_json_output($matches);
}

/**
 * Autocomplete callback; Itemprop textfield.
 */
function microdata_autocomplete_itemprop($itemtype, $input = '') {
  $matches = array();
  $input = drupal_explode_tags($input);
  $string = drupal_strtolower(array_pop($input));
  $types = microdata_get_types();
  if (empty($types)) {
    drupal_json_output(array(
      '' => t('No active vocabularies found. Please enable at least one vocabulary.'),
    ));
    die;
  }
  if ($string) {
    $prefix = count($input) ? drupal_implode_tags($input) . ', ' : '';

    // Decode the itemtype arg, replace the '/'s, and explode it into an array.
    $itemtypes = explode(', ', str_replace(';', '/', urldecode($itemtype)));
    foreach ($itemtypes as $type) {
      if (isset($types[$type]['properties'])) {
        foreach ($types[$type]['properties'] as $property) {
          if (preg_match("/{$string}/", $property)) {
            $matches[$prefix . check_plain($property)] = check_plain($property);
          }
        }
      }
    }
  }
  drupal_json_output($matches);
}

/**
 * Helper function.
 *
 * @return array
 *   An array of type info, including properties that can be used in those
 *   types.
 */
function microdata_get_types() {
  $types = array();
  $vocabularies = microdata_get_vocabularies();
  foreach ($vocabularies as $vocabulary) {
    if (isset($vocabulary['types'])) {
      foreach ($vocabulary['types'] as $type) {

        // @todo Remove the array conversion once Vocabulary Parser is in place.
        $type = (array) $type;
        $types[$type['url']] = array(
          'label' => $type['label'],
          'url' => $type['url'],
          'vocabulary_label' => $vocabulary['label'],
          'properties' => $type['properties'],
        );
      }
    }
  }
  return $types;
}

/**
 * Helper function.
 *
 * @return array
 *   An array of vocabulary info, keyed by vocabulary and then itemtype.
 */
function microdata_get_vocabularies() {
  $vocabulary_info = microdata_get_vocabulary_info();
  $enabled_vocabs = microdata_get_enabled_vocabularies();

  // If there are enabled vocabularies, compile their definitions into one
  // array.
  if (!empty($vocabulary_info) && count($enabled_vocabs)) {
    foreach ($enabled_vocabs as $vocab_name) {
      if (($cache = cache_get($vocab_name, 'cache_microdata_vocabulary')) && $cache->data) {
        $schema = $cache->data;
      }
      else {
        module_load_include('inc', 'microdata', 'microdata.admin');
        if ($data = microdata_update_vocabulary_schema($vocabulary_info[$vocab_name]['import_url'])) {
          $schema = json_decode($data);
          cache_set($vocab_name, $schema, 'cache_microdata_vocabulary');
        }
      }

      // @todo Remove the array conversion once Vocabulary Parser is in place.
      $schema->types = (array) $schema->types;
      $vocabulary_info[$vocab_name]['types'] = $schema->types;
    }
  }
  return $vocabulary_info;
}

Functions

Name	Description
microdata_autocomplete_itemprop	Autocomplete callback; Itemprop textfield.
microdata_autocomplete_itemtype	Autocomplete callback; Itemtype textfield.
microdata_get_types	Helper function.
microdata_get_vocabularies	Helper function.