|  | @@ -0,0 +1,1270 @@
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				|  |  | +<?php
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_ctools_plugin_directory().
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				|  |  | + */
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				|  |  | +function entityreference_ctools_plugin_directory($module, $plugin) {
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				|  |  | +  if ($module == 'entityreference') {
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				|  |  | +    return 'plugins/' . $plugin;
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_init().
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				|  |  | + */
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				|  |  | +function entityreference_init() {
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				|  |  | +  // Include feeds.module integration.
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				|  |  | +  if (module_exists('feeds')) {
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				|  |  | +    module_load_include('inc', 'entityreference', 'entityreference.feeds');
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_ctools_plugin_type().
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				|  |  | + */
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				|  |  | +function entityreference_ctools_plugin_type() {
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				|  |  | +  $plugins['selection'] = array(
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				|  |  | +    'classes' => array('class'),
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				|  |  | +  );
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				|  |  | +  $plugins['behavior'] = array(
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				|  |  | +    'classes' => array('class'),
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				|  |  | +    'process' => 'entityreference_behavior_plugin_process',
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				|  |  | +  );
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				|  |  | +  return $plugins;
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * CTools callback; Process the behavoir plugins.
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				|  |  | + */
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				|  |  | +function entityreference_behavior_plugin_process(&$plugin, $info) {
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				|  |  | +  $plugin += array(
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				|  |  | +    'description' => '',
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				|  |  | +    'behavior type' => 'field',
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				|  |  | +    'access callback' => FALSE,
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				|  |  | +    'force enabled' => FALSE,
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				|  |  | +  );
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_info().
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				|  |  | + */
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				|  |  | +function entityreference_field_info() {
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				|  |  | +  $field_info['entityreference'] = array(
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				|  |  | +    'label' => t('Entity Reference'),
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				|  |  | +    'description' => t('This field reference another entity.'),
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				|  |  | +    'settings' => array(
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				|  |  | +      // Default to the core target entity type node.
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				|  |  | +      'target_type' => 'node',
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				|  |  | +      // The handler for this field.
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				|  |  | +      'handler' => 'base',
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				|  |  | +      // The handler settings.
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				|  |  | +      'handler_settings' => array(),
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				|  |  | +    ),
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				|  |  | +    'instance_settings' => array(),
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				|  |  | +    'default_widget' => 'entityreference_autocomplete',
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				|  |  | +    'default_formatter' => 'entityreference_label',
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				|  |  | +    'property_callbacks' => array('entityreference_field_property_callback'),
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				|  |  | +  );
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				|  |  | +  return $field_info;
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_flush_caches().
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				|  |  | + */
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				|  |  | +function entityreference_flush_caches() {
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				|  |  | +  // Because of the intricacies of the info hooks, we are forced to keep a
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				|  |  | +  // separate list of the base tables of each entities, so that we can use
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				|  |  | +  // it in entityreference_field_schema() without calling entity_get_info().
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				|  |  | +  // See http://drupal.org/node/1416558 for details.
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				|  |  | +  $base_tables = array();
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				|  |  | +  foreach (entity_get_info() as $entity_type => $entity_info) {
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				|  |  | +    if (!empty($entity_info['base table']) && !empty($entity_info['entity keys']['id'])) {
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				|  |  | +      $base_tables[$entity_type] = array($entity_info['base table'], $entity_info['entity keys']['id']);
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +  // We are using a variable because cache is going to be cleared right after
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				|  |  | +  // hook_flush_caches() is finished.
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				|  |  | +  variable_set('entityreference:base-tables', $base_tables);
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_menu().
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				|  |  | + */
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				|  |  | +function entityreference_menu() {
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				|  |  | +  $items = array();
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				|  |  | +
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				|  |  | +  $items['entityreference/autocomplete/single/%/%/%'] = array(
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				|  |  | +    'title' => 'Entity Reference Autocomplete',
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				|  |  | +    'page callback' => 'entityreference_autocomplete_callback',
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				|  |  | +    'page arguments' => array(2, 3, 4, 5),
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				|  |  | +    'access callback' => 'entityreference_autocomplete_access_callback',
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				|  |  | +    'access arguments' => array(2, 3, 4, 5),
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				|  |  | +    'type' => MENU_CALLBACK,
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				|  |  | +  );
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				|  |  | +  $items['entityreference/autocomplete/tags/%/%/%'] = array(
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				|  |  | +    'title' => 'Entity Reference Autocomplete',
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				|  |  | +    'page callback' => 'entityreference_autocomplete_callback',
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				|  |  | +    'page arguments' => array(2, 3, 4, 5),
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				|  |  | +    'access callback' => 'entityreference_autocomplete_access_callback',
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				|  |  | +    'access arguments' => array(2, 3, 4, 5),
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				|  |  | +    'type' => MENU_CALLBACK,
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				|  |  | +  );
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				|  |  | +
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				|  |  | +  return $items;
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_is_empty().
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				|  |  | + */
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				|  |  | +function entityreference_field_is_empty($item, $field) {
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				|  |  | +  $empty = !isset($item['target_id']) || !is_numeric($item['target_id']);
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				|  |  | +
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				|  |  | +  // Invoke the behaviors to allow them to override the empty status.
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				|  |  | +  foreach (entityreference_get_behavior_handlers($field) as $handler) {
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				|  |  | +    $handler->is_empty_alter($empty, $item, $field);
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				|  |  | +  }
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				|  |  | +  return $empty;
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Get the behavior handlers for a given entityreference field.
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				|  |  | + */
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				|  |  | +function entityreference_get_behavior_handlers($field, $instance = NULL) {
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				|  |  | +  $object_cache = drupal_static(__FUNCTION__);
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				|  |  | +  $identifier = $field['field_name'];
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				|  |  | +  if (!empty($instance)) {
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				|  |  | +    $identifier .= ':' . $instance['entity_type'] . ':' . $instance['bundle'];
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  if (!isset($object_cache[$identifier])) {
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				|  |  | +    $object_cache[$identifier] = array();
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				|  |  | +
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				|  |  | +    // Merge in defaults.
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				|  |  | +    $field['settings'] += array('behaviors' => array());
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				|  |  | +
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				|  |  | +    $object_cache[$field['field_name']] = array();
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				|  |  | +    $behaviors = !empty($field['settings']['handler_settings']['behaviors']) ? $field['settings']['handler_settings']['behaviors'] : array();
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				|  |  | +    if (!empty($instance['settings']['behaviors'])) {
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				|  |  | +      $behaviors = array_merge($behaviors, $instance['settings']['behaviors']);
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				|  |  | +    }
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				|  |  | +    foreach ($behaviors as $behavior => $settings) {
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				|  |  | +      if (empty($settings['status'])) {
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				|  |  | +        // Behavior is not enabled.
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				|  |  | +        continue;
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				|  |  | +      }
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				|  |  | +
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				|  |  | +      $object_cache[$identifier][] = _entityreference_get_behavior_handler($behavior);
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  return $object_cache[$identifier];
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Get the behavior handler for a given entityreference field and instance.
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				|  |  | + *
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				|  |  | + * @param $handler
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				|  |  | + *   The behavior handler name.
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				|  |  | + */
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				|  |  | +function _entityreference_get_behavior_handler($behavior) {
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				|  |  | +  $object_cache = drupal_static(__FUNCTION__);
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				|  |  | +
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				|  |  | +  if (!isset($object_cache[$behavior])) {
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				|  |  | +    ctools_include('plugins');
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				|  |  | +    $class = ctools_plugin_load_class('entityreference', 'behavior', $behavior, 'class');
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				|  |  | +
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				|  |  | +    $class = class_exists($class) ? $class : 'EntityReference_BehaviorHandler_Broken';
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				|  |  | +    $object_cache[$behavior] = new $class($behavior);
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  return $object_cache[$behavior];
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Get the selection handler for a given entityreference field.
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				|  |  | + */
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				|  |  | +function entityreference_get_selection_handler($field, $instance = NULL, $entity_type = NULL, $entity = NULL) {
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				|  |  | +  ctools_include('plugins');
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				|  |  | +  $handler = $field['settings']['handler'];
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				|  |  | +  $class = ctools_plugin_load_class('entityreference', 'selection', $handler, 'class');
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				|  |  | +
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				|  |  | +  if (class_exists($class)) {
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				|  |  | +    return call_user_func(array($class, 'getInstance'), $field, $instance, $entity_type, $entity);
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				|  |  | +  }
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				|  |  | +  else {
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				|  |  | +    return EntityReference_SelectionHandler_Broken::getInstance($field, $instance, $entity_type, $entity);
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_load().
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				|  |  | + */
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				|  |  | +function entityreference_field_load($entity_type, $entities, $field, $instances, $langcode, &$items) {
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				|  |  | +  // Invoke the behaviors.
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				|  |  | +  foreach (entityreference_get_behavior_handlers($field) as $handler) {
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				|  |  | +    $handler->load($entity_type, $entities, $field, $instances, $langcode, $items);
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_validate().
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				|  |  | + */
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				|  |  | +function entityreference_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
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				|  |  | +  $ids = array();
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				|  |  | +  foreach ($items as $delta => $item) {
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				|  |  | +    if (!entityreference_field_is_empty($item, $field) && $item['target_id'] !== NULL) {
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				|  |  | +      $ids[$item['target_id']] = $delta;
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  if ($ids) {
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				|  |  | +    $valid_ids = entityreference_get_selection_handler($field, $instance, $entity_type, $entity)->validateReferencableEntities(array_keys($ids));
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				|  |  | +
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				|  |  | +    $invalid_entities = array_diff_key($ids, array_flip($valid_ids));
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				|  |  | +    if ($invalid_entities) {
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				|  |  | +      foreach ($invalid_entities as $id => $delta) {
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				|  |  | +        $errors[$field['field_name']][$langcode][$delta][] = array(
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				|  |  | +          'error' => 'entityreference_invalid_entity',
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				|  |  | +          'message' => t('The referenced entity (@type: @id) is invalid.', array('@type' => $field['settings']['target_type'], '@id' => $id)),
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				|  |  | +        );
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				|  |  | +      }
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  // Invoke the behaviors.
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				|  |  | +  foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
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				|  |  | +    $handler->validate($entity_type, $entity, $field, $instance, $langcode, $items, $errors);
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_presave().
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				|  |  | + *
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				|  |  | + * Adds the target type to the field data structure when saving.
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				|  |  | + */
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				|  |  | +function entityreference_field_presave($entity_type, $entity, $field, $instance, $langcode, &$items) {
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				|  |  | +  // Invoke the behaviors.
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				|  |  | +  foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
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				|  |  | +    $handler->presave($entity_type, $entity, $field, $instance, $langcode, $items);
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_insert().
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				|  |  | + */
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				|  |  | +function entityreference_field_insert($entity_type, $entity, $field, $instance, $langcode, &$items) {
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				|  |  | +  // Invoke the behaviors.
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				|  |  | +  foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
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				|  |  | +    $handler->insert($entity_type, $entity, $field, $instance, $langcode, $items);
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_attach_insert().
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				|  |  | + *
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				|  |  | + * Emulates a post-insert hook.
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				|  |  | + */
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				|  |  | +function entityreference_field_attach_insert($entity_type, $entity) {
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				|  |  | +  list(, , $bundle) = entity_extract_ids($entity_type, $entity);
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				|  |  | +  foreach (field_info_instances($entity_type, $bundle) as $field_name => $instance) {
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				|  |  | +    $field = field_info_field($field_name);
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				|  |  | +    if ($field['type'] == 'entityreference') {
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				|  |  | +      foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
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				|  |  | +        $handler->postInsert($entity_type, $entity, $field, $instance);
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				|  |  | +      }
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_update().
 | 
	
		
			
				|  |  | + */
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				|  |  | +function entityreference_field_update($entity_type, $entity, $field, $instance, $langcode, &$items) {
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				|  |  | +  // Invoke the behaviors.
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				|  |  | +  foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
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				|  |  | +    $handler->update($entity_type, $entity, $field, $instance, $langcode, $items);
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_attach_update().
 | 
	
		
			
				|  |  | + *
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				|  |  | + * Emulates a post-update hook.
 | 
	
		
			
				|  |  | + */
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				|  |  | +function entityreference_field_attach_update($entity_type, $entity) {
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				|  |  | +  list(, , $bundle) = entity_extract_ids($entity_type, $entity);
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				|  |  | +  foreach (field_info_instances($entity_type, $bundle) as $field_name => $instance) {
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				|  |  | +    $field = field_info_field($field_name);
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				|  |  | +    if ($field['type'] == 'entityreference') {
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				|  |  | +      foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
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				|  |  | +        $handler->postUpdate($entity_type, $entity, $field, $instance);
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				|  |  | +      }
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Implements hook_field_delete().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_delete($entity_type, $entity, $field, $instance, $langcode, &$items) {
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				|  |  | +  // Invoke the behaviors.
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				|  |  | +  foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
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				|  |  | +    $handler->delete($entity_type, $entity, $field, $instance, $langcode, $items);
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				|  |  | +  }
 | 
	
		
			
				|  |  | +}
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				|  |  | +
 | 
	
		
			
				|  |  | +/**
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				|  |  | + * Implements hook_field_attach_delete().
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * Emulates a post-delete hook.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_attach_delete($entity_type, $entity) {
 | 
	
		
			
				|  |  | +  list(, , $bundle) = entity_extract_ids($entity_type, $entity);
 | 
	
		
			
				|  |  | +  foreach (field_info_instances($entity_type, $bundle) as $field_name => $instance) {
 | 
	
		
			
				|  |  | +    $field = field_info_field($field_name);
 | 
	
		
			
				|  |  | +    if ($field['type'] == 'entityreference') {
 | 
	
		
			
				|  |  | +      foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
 | 
	
		
			
				|  |  | +        $handler->postDelete($entity_type, $entity, $field, $instance);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_entity_insert().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_entity_insert($entity, $entity_type) {
 | 
	
		
			
				|  |  | +  entityreference_entity_crud($entity, $entity_type, 'entityPostInsert');
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_entity_update().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_entity_update($entity, $entity_type) {
 | 
	
		
			
				|  |  | +  entityreference_entity_crud($entity, $entity_type, 'entityPostUpdate');
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_entity_delete().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_entity_delete($entity, $entity_type) {
 | 
	
		
			
				|  |  | +  entityreference_entity_crud($entity, $entity_type, 'entityPostDelete');
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Invoke a behavior based on entity CRUD.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param $entity
 | 
	
		
			
				|  |  | + *   The entity object.
 | 
	
		
			
				|  |  | + * @param $entity_type
 | 
	
		
			
				|  |  | + *   The entity type.
 | 
	
		
			
				|  |  | + * @param $method_name
 | 
	
		
			
				|  |  | + *   The method to invoke.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_entity_crud($entity, $entity_type, $method_name) {
 | 
	
		
			
				|  |  | +  list(, , $bundle) = entity_extract_ids($entity_type, $entity);
 | 
	
		
			
				|  |  | +  foreach (field_info_instances($entity_type, $bundle) as $field_name => $instance) {
 | 
	
		
			
				|  |  | +    $field = field_info_field($field_name);
 | 
	
		
			
				|  |  | +    if ($field['type'] == 'entityreference') {
 | 
	
		
			
				|  |  | +      foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
 | 
	
		
			
				|  |  | +        $handler->{$method_name}($entity_type, $entity, $field, $instance);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_settings_form().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_settings_form($field, $instance, $has_data) {
 | 
	
		
			
				|  |  | +  // The field settings infrastructure is not AJAX enabled by default,
 | 
	
		
			
				|  |  | +  // because it doesn't pass over the $form_state.
 | 
	
		
			
				|  |  | +  // Build the whole form into a #process in which we actually have access
 | 
	
		
			
				|  |  | +  // to the form state.
 | 
	
		
			
				|  |  | +  $form = array(
 | 
	
		
			
				|  |  | +    '#type' => 'container',
 | 
	
		
			
				|  |  | +    '#attached' => array(
 | 
	
		
			
				|  |  | +      'css' => array(drupal_get_path('module', 'entityreference') . '/entityreference.admin.css'),
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +    '#process' => array(
 | 
	
		
			
				|  |  | +      '_entityreference_field_settings_process',
 | 
	
		
			
				|  |  | +      '_entityreference_field_settings_ajax_process',
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +    '#element_validate' => array('_entityreference_field_settings_validate'),
 | 
	
		
			
				|  |  | +    '#field' => $field,
 | 
	
		
			
				|  |  | +    '#instance' => $instance,
 | 
	
		
			
				|  |  | +    '#has_data' => $has_data,
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +  return $form;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_field_settings_process($form, $form_state) {
 | 
	
		
			
				|  |  | +  $field = isset($form_state['entityreference']['field']) ? $form_state['entityreference']['field'] : $form['#field'];
 | 
	
		
			
				|  |  | +  $instance = isset($form_state['entityreference']['instance']) ? $form_state['entityreference']['instance'] : $form['#instance'];
 | 
	
		
			
				|  |  | +  $has_data = $form['#has_data'];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $settings = $field['settings'];
 | 
	
		
			
				|  |  | +  $settings += array('handler' => 'base');
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  // Select the target entity type.
 | 
	
		
			
				|  |  | +  $entity_type_options = array();
 | 
	
		
			
				|  |  | +  foreach (entity_get_info() as $entity_type => $entity_info) {
 | 
	
		
			
				|  |  | +    $entity_type_options[$entity_type] = $entity_info['label'];
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $form['target_type'] = array(
 | 
	
		
			
				|  |  | +    '#type' => 'select',
 | 
	
		
			
				|  |  | +    '#title' => t('Target type'),
 | 
	
		
			
				|  |  | +    '#options' => $entity_type_options,
 | 
	
		
			
				|  |  | +    '#default_value' => $field['settings']['target_type'],
 | 
	
		
			
				|  |  | +    '#required' => TRUE,
 | 
	
		
			
				|  |  | +    '#description' => t('The entity type that can be referenced through this field.'),
 | 
	
		
			
				|  |  | +    '#disabled' => $has_data,
 | 
	
		
			
				|  |  | +    '#size' => 1,
 | 
	
		
			
				|  |  | +    '#ajax' => TRUE,
 | 
	
		
			
				|  |  | +    '#limit_validation_errors' => array(),
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  ctools_include('plugins');
 | 
	
		
			
				|  |  | +  $handlers = ctools_get_plugins('entityreference', 'selection');
 | 
	
		
			
				|  |  | +  uasort($handlers, 'ctools_plugin_sort');
 | 
	
		
			
				|  |  | +  $handlers_options = array();
 | 
	
		
			
				|  |  | +  foreach ($handlers as $handler => $handler_info) {
 | 
	
		
			
				|  |  | +    $handlers_options[$handler] = check_plain($handler_info['title']);
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $form['handler'] = array(
 | 
	
		
			
				|  |  | +    '#type' => 'fieldset',
 | 
	
		
			
				|  |  | +    '#title' => t('Entity selection'),
 | 
	
		
			
				|  |  | +    '#tree' => TRUE,
 | 
	
		
			
				|  |  | +    '#process' => array('_entityreference_form_process_merge_parent'),
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $form['handler']['handler'] = array(
 | 
	
		
			
				|  |  | +    '#type' => 'select',
 | 
	
		
			
				|  |  | +    '#title' => t('Mode'),
 | 
	
		
			
				|  |  | +    '#options' => $handlers_options,
 | 
	
		
			
				|  |  | +    '#default_value' => $settings['handler'],
 | 
	
		
			
				|  |  | +    '#required' => TRUE,
 | 
	
		
			
				|  |  | +    '#ajax' => TRUE,
 | 
	
		
			
				|  |  | +    '#limit_validation_errors' => array(),
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +  $form['handler_submit'] = array(
 | 
	
		
			
				|  |  | +    '#type' => 'submit',
 | 
	
		
			
				|  |  | +    '#value' => t('Change handler'),
 | 
	
		
			
				|  |  | +    '#limit_validation_errors' => array(),
 | 
	
		
			
				|  |  | +    '#attributes' => array(
 | 
	
		
			
				|  |  | +      'class' => array('js-hide'),
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +    '#submit' => array('entityreference_settings_ajax_submit'),
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $form['handler']['handler_settings'] = array(
 | 
	
		
			
				|  |  | +    '#type' => 'container',
 | 
	
		
			
				|  |  | +    '#attributes' => array('class' => array('entityreference-settings')),
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $handler = entityreference_get_selection_handler($field, $instance);
 | 
	
		
			
				|  |  | +  $form['handler']['handler_settings'] += $handler->settingsForm($field, $instance);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  _entityreference_get_behavior_elements($form, $field, $instance, 'field');
 | 
	
		
			
				|  |  | +  if (!empty($form['behaviors'])) {
 | 
	
		
			
				|  |  | +    $form['behaviors'] += array(
 | 
	
		
			
				|  |  | +      '#type' => 'fieldset',
 | 
	
		
			
				|  |  | +      '#title' => t('Additional behaviors'),
 | 
	
		
			
				|  |  | +      '#parents' => array_merge($form['#parents'], array('handler_settings', 'behaviors')),
 | 
	
		
			
				|  |  | +    );
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return $form;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_field_settings_ajax_process($form, $form_state) {
 | 
	
		
			
				|  |  | +  _entityreference_field_settings_ajax_process_element($form, $form);
 | 
	
		
			
				|  |  | +  return $form;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_field_settings_ajax_process_element(&$element, $main_form) {
 | 
	
		
			
				|  |  | +  if (isset($element['#ajax']) && $element['#ajax'] === TRUE) {
 | 
	
		
			
				|  |  | +    $element['#ajax'] = array(
 | 
	
		
			
				|  |  | +      'callback' => 'entityreference_settings_ajax',
 | 
	
		
			
				|  |  | +      'wrapper' => $main_form['#id'],
 | 
	
		
			
				|  |  | +      'element' => $main_form['#array_parents'],
 | 
	
		
			
				|  |  | +    );
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  foreach (element_children($element) as $key) {
 | 
	
		
			
				|  |  | +    _entityreference_field_settings_ajax_process_element($element[$key], $main_form);
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_form_process_merge_parent($element) {
 | 
	
		
			
				|  |  | +  $parents = $element['#parents'];
 | 
	
		
			
				|  |  | +  array_pop($parents);
 | 
	
		
			
				|  |  | +  $element['#parents'] = $parents;
 | 
	
		
			
				|  |  | +  return $element;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_element_validate_filter(&$element, &$form_state) {
 | 
	
		
			
				|  |  | +  $element['#value'] = array_filter($element['#value']);
 | 
	
		
			
				|  |  | +  form_set_value($element, $element['#value'], $form_state);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_field_settings_validate($form, &$form_state) {
 | 
	
		
			
				|  |  | +  // Store the new values in the form state.
 | 
	
		
			
				|  |  | +  $field = $form['#field'];
 | 
	
		
			
				|  |  | +  if (isset($form_state['values']['field'])) {
 | 
	
		
			
				|  |  | +    $field['settings'] = $form_state['values']['field']['settings'];
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  $form_state['entityreference']['field'] = $field;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  unset($form_state['values']['field']['settings']['handler_submit']);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_instance_settings_form().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_instance_settings_form($field, $instance) {
 | 
	
		
			
				|  |  | +  $form['settings'] = array(
 | 
	
		
			
				|  |  | +    '#type' => 'container',
 | 
	
		
			
				|  |  | +    '#attached' => array(
 | 
	
		
			
				|  |  | +      'css' => array(drupal_get_path('module', 'entityreference') . '/entityreference.admin.css'),
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +    '#weight' => 10,
 | 
	
		
			
				|  |  | +    '#tree' => TRUE,
 | 
	
		
			
				|  |  | +    '#process' => array(
 | 
	
		
			
				|  |  | +      '_entityreference_form_process_merge_parent',
 | 
	
		
			
				|  |  | +      '_entityreference_field_instance_settings_form',
 | 
	
		
			
				|  |  | +      '_entityreference_field_settings_ajax_process',
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +    '#element_validate' => array('_entityreference_field_instance_settings_validate'),
 | 
	
		
			
				|  |  | +    '#field' => $field,
 | 
	
		
			
				|  |  | +    '#instance' => $instance,
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return $form;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_field_instance_settings_form($form, $form_state) {
 | 
	
		
			
				|  |  | +  $field = isset($form_state['entityreference']['field']) ? $form_state['entityreference']['field'] : $form['#field'];
 | 
	
		
			
				|  |  | +  $instance = isset($form_state['entityreference']['instance']) ? $form_state['entityreference']['instance'] : $form['#instance'];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  _entityreference_get_behavior_elements($form, $field, $instance, 'instance');
 | 
	
		
			
				|  |  | +  if (!empty($form['behaviors'])) {
 | 
	
		
			
				|  |  | +    $form['behaviors'] += array(
 | 
	
		
			
				|  |  | +      '#type' => 'fieldset',
 | 
	
		
			
				|  |  | +      '#title' => t('Additional behaviors'),
 | 
	
		
			
				|  |  | +      '#process' => array(
 | 
	
		
			
				|  |  | +        '_entityreference_field_settings_ajax_process',
 | 
	
		
			
				|  |  | +      ),
 | 
	
		
			
				|  |  | +    );
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  return $form;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_field_instance_settings_validate($form, &$form_state) {
 | 
	
		
			
				|  |  | +  // Store the new values in the form state.
 | 
	
		
			
				|  |  | +  $instance = $form['#instance'];
 | 
	
		
			
				|  |  | +  if (isset($form_state['values']['instance'])) {
 | 
	
		
			
				|  |  | +    $instance = drupal_array_merge_deep($instance, $form_state['values']['instance']);
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  $form_state['entityreference']['instance'] = $instance;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Get the field or instance elements for the field configuration.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function _entityreference_get_behavior_elements(&$element, $field, $instance, $level) {
 | 
	
		
			
				|  |  | +  // Add the accessible behavior handlers.
 | 
	
		
			
				|  |  | +  $behavior_plugins = entityreference_get_accessible_behavior_plugins($field, $instance);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($behavior_plugins[$level]) {
 | 
	
		
			
				|  |  | +    $element['behaviors'] = array();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    foreach ($behavior_plugins[$level] as $name => $plugin) {
 | 
	
		
			
				|  |  | +      if ($level == 'field') {
 | 
	
		
			
				|  |  | +        $settings = !empty($field['settings']['handler_settings']['behaviors'][$name]) ? $field['settings']['handler_settings']['behaviors'][$name] : array();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      else {
 | 
	
		
			
				|  |  | +        $settings = !empty($instance['settings']['behaviors'][$name]) ? $instance['settings']['behaviors'][$name] : array();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      $settings += array('status' => $plugin['force enabled']);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      // Render the checkbox.
 | 
	
		
			
				|  |  | +      $element['behaviors'][$name] = array(
 | 
	
		
			
				|  |  | +        '#tree' => TRUE,
 | 
	
		
			
				|  |  | +      );
 | 
	
		
			
				|  |  | +      $element['behaviors'][$name]['status'] = array(
 | 
	
		
			
				|  |  | +        '#type' => 'checkbox',
 | 
	
		
			
				|  |  | +        '#title' => check_plain($plugin['title']),
 | 
	
		
			
				|  |  | +        '#description' => $plugin['description'],
 | 
	
		
			
				|  |  | +        '#default_value' => $settings['status'],
 | 
	
		
			
				|  |  | +        '#disabled' => $plugin['force enabled'],
 | 
	
		
			
				|  |  | +        '#ajax' => TRUE,
 | 
	
		
			
				|  |  | +      );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      if ($settings['status']) {
 | 
	
		
			
				|  |  | +        $handler = _entityreference_get_behavior_handler($name);
 | 
	
		
			
				|  |  | +        if ($behavior_elements = $handler->settingsForm($field, $instance)) {
 | 
	
		
			
				|  |  | +          foreach ($behavior_elements as $key => &$behavior_element) {
 | 
	
		
			
				|  |  | +            $behavior_element += array(
 | 
	
		
			
				|  |  | +              '#default_value' => !empty($settings[$key]) ? $settings[$key] : NULL,
 | 
	
		
			
				|  |  | +            );
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +          // Get the behavior settings.
 | 
	
		
			
				|  |  | +          $behavior_elements += array(
 | 
	
		
			
				|  |  | +            '#type' => 'container',
 | 
	
		
			
				|  |  | +            '#process' => array('_entityreference_form_process_merge_parent'),
 | 
	
		
			
				|  |  | +            '#attributes' => array(
 | 
	
		
			
				|  |  | +              'class' => array('entityreference-settings'),
 | 
	
		
			
				|  |  | +            ),
 | 
	
		
			
				|  |  | +          );
 | 
	
		
			
				|  |  | +          $element['behaviors'][$name]['settings'] = $behavior_elements;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Get all accessible behavior plugins.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_get_accessible_behavior_plugins($field, $instance) {
 | 
	
		
			
				|  |  | +  ctools_include('plugins');
 | 
	
		
			
				|  |  | +  $plugins = array('field' => array(), 'instance' => array());
 | 
	
		
			
				|  |  | +  foreach (ctools_get_plugins('entityreference', 'behavior') as $name => $plugin) {
 | 
	
		
			
				|  |  | +    $handler = _entityreference_get_behavior_handler($name);
 | 
	
		
			
				|  |  | +    $level = $plugin['behavior type'];
 | 
	
		
			
				|  |  | +    if ($handler->access($field, $instance)) {
 | 
	
		
			
				|  |  | +      $plugins[$level][$name] = $plugin;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  return $plugins;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Ajax callback for the handler settings form.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @see entityreference_field_settings_form()
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_settings_ajax($form, $form_state) {
 | 
	
		
			
				|  |  | +  $trigger = $form_state['triggering_element'];
 | 
	
		
			
				|  |  | +  return drupal_array_get_nested_value($form, $trigger['#ajax']['element']);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Submit handler for the non-JS case.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @see entityreference_field_settings_form()
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_settings_ajax_submit($form, &$form_state) {
 | 
	
		
			
				|  |  | +  $form_state['rebuild'] = TRUE;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Property callback for the Entity Metadata framework.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_property_callback(&$info, $entity_type, $field, $instance, $field_type) {
 | 
	
		
			
				|  |  | +  // Set the property type based on the targe type.
 | 
	
		
			
				|  |  | +  $field_type['property_type'] = $field['settings']['target_type'];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  // Then apply the default.
 | 
	
		
			
				|  |  | +  entity_metadata_field_default_property_callback($info, $entity_type, $field, $instance, $field_type);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  // Invoke the behaviors to allow them to change the properties.
 | 
	
		
			
				|  |  | +  foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
 | 
	
		
			
				|  |  | +    $handler->property_info_alter($info, $entity_type, $field, $instance, $field_type);
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_widget_info().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_widget_info() {
 | 
	
		
			
				|  |  | +  $widgets['entityreference_autocomplete'] = array(
 | 
	
		
			
				|  |  | +    'label' => t('Autocomplete'),
 | 
	
		
			
				|  |  | +    'description' => t('An autocomplete text field.'),
 | 
	
		
			
				|  |  | +    'field types' => array('entityreference'),
 | 
	
		
			
				|  |  | +    'settings' => array(
 | 
	
		
			
				|  |  | +      'match_operator' => 'CONTAINS',
 | 
	
		
			
				|  |  | +      'size' => 60,
 | 
	
		
			
				|  |  | +      // We don't have a default here, because it's not the same between
 | 
	
		
			
				|  |  | +      // the two widgets, and the Field API doesn't update default
 | 
	
		
			
				|  |  | +      // settings when the widget changes.
 | 
	
		
			
				|  |  | +      'path' => '',
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $widgets['entityreference_autocomplete_tags'] = array(
 | 
	
		
			
				|  |  | +    'label' => t('Autocomplete (Tags style)'),
 | 
	
		
			
				|  |  | +    'description' => t('An autocomplete text field.'),
 | 
	
		
			
				|  |  | +    'field types' => array('entityreference'),
 | 
	
		
			
				|  |  | +    'settings' => array(
 | 
	
		
			
				|  |  | +      'match_operator' => 'CONTAINS',
 | 
	
		
			
				|  |  | +      'size' => 60,
 | 
	
		
			
				|  |  | +      // We don't have a default here, because it's not the same between
 | 
	
		
			
				|  |  | +      // the two widgets, and the Field API doesn't update default
 | 
	
		
			
				|  |  | +      // settings when the widget changes.
 | 
	
		
			
				|  |  | +      'path' => '',
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +    'behaviors' => array(
 | 
	
		
			
				|  |  | +      'multiple values' => FIELD_BEHAVIOR_CUSTOM,
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return $widgets;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_widget_info_alter().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_widget_info_alter(&$info) {
 | 
	
		
			
				|  |  | +  if (module_exists('options')) {
 | 
	
		
			
				|  |  | +    $info['options_select']['field types'][] = 'entityreference';
 | 
	
		
			
				|  |  | +    $info['options_buttons']['field types'][] = 'entityreference';
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_widget_settings_form().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_widget_settings_form($field, $instance) {
 | 
	
		
			
				|  |  | +  $widget = $instance['widget'];
 | 
	
		
			
				|  |  | +  $settings = $widget['settings'] + field_info_widget_settings($widget['type']);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $form = array();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($widget['type'] == 'entityreference_autocomplete' || $widget['type'] == 'entityreference_autocomplete_tags') {
 | 
	
		
			
				|  |  | +    $form['match_operator'] = array(
 | 
	
		
			
				|  |  | +      '#type' => 'select',
 | 
	
		
			
				|  |  | +      '#title' => t('Autocomplete matching'),
 | 
	
		
			
				|  |  | +      '#default_value' => $settings['match_operator'],
 | 
	
		
			
				|  |  | +      '#options' => array(
 | 
	
		
			
				|  |  | +        'STARTS_WITH' => t('Starts with'),
 | 
	
		
			
				|  |  | +        'CONTAINS' => t('Contains'),
 | 
	
		
			
				|  |  | +      ),
 | 
	
		
			
				|  |  | +      '#description' => t('Select the method used to collect autocomplete suggestions. Note that <em>Contains</em> can cause performance issues on sites with thousands of nodes.'),
 | 
	
		
			
				|  |  | +    );
 | 
	
		
			
				|  |  | +    $form['size'] = array(
 | 
	
		
			
				|  |  | +      '#type' => 'textfield',
 | 
	
		
			
				|  |  | +      '#title' => t('Size of textfield'),
 | 
	
		
			
				|  |  | +      '#default_value' => $settings['size'],
 | 
	
		
			
				|  |  | +      '#element_validate' => array('_element_validate_integer_positive'),
 | 
	
		
			
				|  |  | +      '#required' => TRUE,
 | 
	
		
			
				|  |  | +    );
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return $form;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_options_list().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_options_list($field, $instance = NULL, $entity_type = NULL, $entity = NULL) {
 | 
	
		
			
				|  |  | +  if (!$options = entityreference_get_selection_handler($field, $instance, $entity_type, $entity)->getReferencableEntities()) {
 | 
	
		
			
				|  |  | +    return array();
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  // Rebuild the array, by changing the bundle key into the bundle label.
 | 
	
		
			
				|  |  | +  $target_type = $field['settings']['target_type'];
 | 
	
		
			
				|  |  | +  $entity_info = entity_get_info($target_type);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $return = array();
 | 
	
		
			
				|  |  | +  foreach ($options as $bundle => $entity_ids) {
 | 
	
		
			
				|  |  | +    $bundle_label = check_plain($entity_info['bundles'][$bundle]['label']);
 | 
	
		
			
				|  |  | +    $return[$bundle_label] = $entity_ids;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return count($return) == 1 ? reset($return) : $return;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_query_TAG_alter().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_query_entityreference_alter(QueryAlterableInterface $query) {
 | 
	
		
			
				|  |  | +  $handler = $query->getMetadata('entityreference_selection_handler');
 | 
	
		
			
				|  |  | +  $handler->entityFieldQueryAlter($query);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_widget_form().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
 | 
	
		
			
				|  |  | +  $entity_type = $instance['entity_type'];
 | 
	
		
			
				|  |  | +  $entity = isset($element['#entity']) ? $element['#entity'] : NULL;
 | 
	
		
			
				|  |  | +  $handler = entityreference_get_selection_handler($field, $instance, $entity_type, $entity);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($instance['widget']['type'] == 'entityreference_autocomplete' || $instance['widget']['type'] == 'entityreference_autocomplete_tags') {
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    if ($instance['widget']['type'] == 'entityreference_autocomplete') {
 | 
	
		
			
				|  |  | +      // We let the Field API handles multiple values for us, only take
 | 
	
		
			
				|  |  | +      // care of the one matching our delta.
 | 
	
		
			
				|  |  | +      if (isset($items[$delta])) {
 | 
	
		
			
				|  |  | +        $items = array($items[$delta]);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      else {
 | 
	
		
			
				|  |  | +        $items = array();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    $entity_ids = array();
 | 
	
		
			
				|  |  | +    $entity_labels = array();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // Build an array of entities ID.
 | 
	
		
			
				|  |  | +    foreach ($items as $item) {
 | 
	
		
			
				|  |  | +      $entity_ids[] = $item['target_id'];
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // Load those entities and loop through them to extract their labels.
 | 
	
		
			
				|  |  | +    $entities = entity_load($field['settings']['target_type'], $entity_ids);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    foreach ($entities as $entity_id => $entity_item) {
 | 
	
		
			
				|  |  | +      $label = $handler->getLabel($entity_item);
 | 
	
		
			
				|  |  | +      $key = "$label ($entity_id)";
 | 
	
		
			
				|  |  | +      // Labels containing commas or quotes must be wrapped in quotes.
 | 
	
		
			
				|  |  | +      if (strpos($key, ',') !== FALSE || strpos($key, '"') !== FALSE) {
 | 
	
		
			
				|  |  | +        $key = '"' . str_replace('"', '""', $key) . '"';
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      $entity_labels[] = $key;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // Prepare the autocomplete path.
 | 
	
		
			
				|  |  | +    if (!empty($instance['widget']['settings']['path'])) {
 | 
	
		
			
				|  |  | +      $autocomplete_path = $instance['widget']['settings']['path'];
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    else {
 | 
	
		
			
				|  |  | +      $autocomplete_path = $instance['widget']['type'] == 'entityreference_autocomplete' ? 'entityreference/autocomplete/single' : 'entityreference/autocomplete/tags';
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    $autocomplete_path .= '/' . $field['field_name'] . '/' . $instance['entity_type'] . '/' . $instance['bundle'] . '/';
 | 
	
		
			
				|  |  | +    // Use <NULL> as a placeholder in the URL when we don't have an entity.
 | 
	
		
			
				|  |  | +    // Most webservers collapse two consecutive slashes.
 | 
	
		
			
				|  |  | +    $id = 'NULL';
 | 
	
		
			
				|  |  | +    if ($entity) {
 | 
	
		
			
				|  |  | +      list($eid) = entity_extract_ids($entity_type, $entity);
 | 
	
		
			
				|  |  | +      if ($eid) {
 | 
	
		
			
				|  |  | +        $id = $eid;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    $autocomplete_path .= $id;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    if ($instance['widget']['type'] == 'entityreference_autocomplete') {
 | 
	
		
			
				|  |  | +      $element += array(
 | 
	
		
			
				|  |  | +        '#type' => 'textfield',
 | 
	
		
			
				|  |  | +        '#maxlength' => 1024,
 | 
	
		
			
				|  |  | +        '#default_value' => implode(', ', $entity_labels),
 | 
	
		
			
				|  |  | +        '#autocomplete_path' => $autocomplete_path,
 | 
	
		
			
				|  |  | +        '#size' => $instance['widget']['settings']['size'],
 | 
	
		
			
				|  |  | +        '#element_validate' => array('_entityreference_autocomplete_validate'),
 | 
	
		
			
				|  |  | +      );
 | 
	
		
			
				|  |  | +      return array('target_id' => $element);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    else {
 | 
	
		
			
				|  |  | +      $element += array(
 | 
	
		
			
				|  |  | +        '#type' => 'textfield',
 | 
	
		
			
				|  |  | +        '#maxlength' => 1024,
 | 
	
		
			
				|  |  | +        '#default_value' => implode(', ', $entity_labels),
 | 
	
		
			
				|  |  | +        '#autocomplete_path' => $autocomplete_path,
 | 
	
		
			
				|  |  | +        '#size' => $instance['widget']['settings']['size'],
 | 
	
		
			
				|  |  | +        '#element_validate' => array('_entityreference_autocomplete_tags_validate'),
 | 
	
		
			
				|  |  | +      );
 | 
	
		
			
				|  |  | +      return $element;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_autocomplete_validate($element, &$form_state, $form) {
 | 
	
		
			
				|  |  | +  // If a value was entered into the autocomplete...
 | 
	
		
			
				|  |  | +  $value = '';
 | 
	
		
			
				|  |  | +  if (!empty($element['#value'])) {
 | 
	
		
			
				|  |  | +    // Take "label (entity id)', match the id from parenthesis.
 | 
	
		
			
				|  |  | +    if (preg_match("/.+\((\d+)\)/", $element['#value'], $matches)) {
 | 
	
		
			
				|  |  | +      $value = $matches[1];
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    else {
 | 
	
		
			
				|  |  | +      // Try to get a match from the input string when the user didn't use the
 | 
	
		
			
				|  |  | +      // autocomplete but filled in a value manually.
 | 
	
		
			
				|  |  | +      $field = field_info_field($element['#field_name']);
 | 
	
		
			
				|  |  | +      $handler = entityreference_get_selection_handler($field);
 | 
	
		
			
				|  |  | +      $field_name = $element['#field_name'];
 | 
	
		
			
				|  |  | +      $field = field_info_field($field_name);
 | 
	
		
			
				|  |  | +      $instance = field_info_instance($element['#entity_type'], $field_name, $element['#bundle']);
 | 
	
		
			
				|  |  | +      $handler = entityreference_get_selection_handler($field, $instance);
 | 
	
		
			
				|  |  | +      $value = $handler->validateAutocompleteInput($element['#value'], $element, $form_state, $form);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  // Update the value of this element so the field can validate the product IDs.
 | 
	
		
			
				|  |  | +  form_set_value($element, $value, $form_state);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +function _entityreference_autocomplete_tags_validate($element, &$form_state, $form) {
 | 
	
		
			
				|  |  | +  $value = array();
 | 
	
		
			
				|  |  | +  // If a value was entered into the autocomplete...
 | 
	
		
			
				|  |  | +  if (!empty($element['#value'])) {
 | 
	
		
			
				|  |  | +    $entities = drupal_explode_tags($element['#value']);
 | 
	
		
			
				|  |  | +    $value = array();
 | 
	
		
			
				|  |  | +    foreach ($entities as $entity) {
 | 
	
		
			
				|  |  | +      // Take "label (entity id)', match the id from parenthesis.
 | 
	
		
			
				|  |  | +      if (preg_match("/.+\((\d+)\)/", $entity, $matches)) {
 | 
	
		
			
				|  |  | +        $value[] = array(
 | 
	
		
			
				|  |  | +          'target_id' => $matches[1],
 | 
	
		
			
				|  |  | +        );
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      else {
 | 
	
		
			
				|  |  | +        // Try to get a match from the input string when the user didn't use the
 | 
	
		
			
				|  |  | +        // autocomplete but filled in a value manually.
 | 
	
		
			
				|  |  | +        $field = field_info_field($element['#field_name']);
 | 
	
		
			
				|  |  | +        $handler = entityreference_get_selection_handler($field);
 | 
	
		
			
				|  |  | +        $value[] = array(
 | 
	
		
			
				|  |  | +          'target_id' => $handler->validateAutocompleteInput($entity, $element, $form_state, $form),
 | 
	
		
			
				|  |  | +        );
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  // Update the value of this element so the field can validate the product IDs.
 | 
	
		
			
				|  |  | +  form_set_value($element, $value, $form_state);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_widget_error().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_widget_error($element, $error) {
 | 
	
		
			
				|  |  | +  form_error($element, $error['message']);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Menu Access callback for the autocomplete widget.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param $type
 | 
	
		
			
				|  |  | + *   The widget type (i.e. 'single' or 'tags').
 | 
	
		
			
				|  |  | + * @param $field_name
 | 
	
		
			
				|  |  | + *   The name of the entity-reference field.
 | 
	
		
			
				|  |  | + * @param $entity_type
 | 
	
		
			
				|  |  | + *   The entity type.
 | 
	
		
			
				|  |  | + * @param $bundle_name
 | 
	
		
			
				|  |  | + *   The bundle name.
 | 
	
		
			
				|  |  | + * @return
 | 
	
		
			
				|  |  | + *   True if user can access this menu item.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_autocomplete_access_callback($type, $field_name, $entity_type, $bundle_name) {
 | 
	
		
			
				|  |  | +  $field = field_info_field($field_name);
 | 
	
		
			
				|  |  | +  $instance = field_info_instance($entity_type, $field_name, $bundle_name);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if (!$field || !$instance || $field['type'] != 'entityreference' || !field_access('edit', $field, $entity_type)) {
 | 
	
		
			
				|  |  | +    return FALSE;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  return TRUE;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Menu callback: autocomplete the label of an entity.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param $type
 | 
	
		
			
				|  |  | + *   The widget type (i.e. 'single' or 'tags').
 | 
	
		
			
				|  |  | + * @param $field_name
 | 
	
		
			
				|  |  | + *   The name of the entity-reference field.
 | 
	
		
			
				|  |  | + * @param $entity_type
 | 
	
		
			
				|  |  | + *   The entity type.
 | 
	
		
			
				|  |  | + * @param $bundle_name
 | 
	
		
			
				|  |  | + *   The bundle name.
 | 
	
		
			
				|  |  | + * @param $entity_id
 | 
	
		
			
				|  |  | + *   Optional; The entity ID the entity-reference field is attached to.
 | 
	
		
			
				|  |  | + *   Defaults to ''.
 | 
	
		
			
				|  |  | + * @param $string
 | 
	
		
			
				|  |  | + *   The label of the entity to query by.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_autocomplete_callback($type, $field_name, $entity_type, $bundle_name, $entity_id = '', $string = '') {
 | 
	
		
			
				|  |  | +  $field = field_info_field($field_name);
 | 
	
		
			
				|  |  | +  $instance = field_info_instance($entity_type, $field_name, $bundle_name);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return entityreference_autocomplete_callback_get_matches($type, $field, $instance, $entity_type, $entity_id, $string);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Return JSON based on given field, instance and string.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * This function can be used by other modules that wish to pass a mocked
 | 
	
		
			
				|  |  | + * definition of the field on instance.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param $type
 | 
	
		
			
				|  |  | + *   The widget type (i.e. 'single' or 'tags').
 | 
	
		
			
				|  |  | + * @param $field
 | 
	
		
			
				|  |  | + *   The field array defintion.
 | 
	
		
			
				|  |  | + * @param $instance
 | 
	
		
			
				|  |  | + *   The instance array defintion.
 | 
	
		
			
				|  |  | + * @param $entity_type
 | 
	
		
			
				|  |  | + *   The entity type.
 | 
	
		
			
				|  |  | + * @param $entity_id
 | 
	
		
			
				|  |  | + *   Optional; The entity ID the entity-reference field is attached to.
 | 
	
		
			
				|  |  | + *   Defaults to ''.
 | 
	
		
			
				|  |  | + * @param $string
 | 
	
		
			
				|  |  | + *   The label of the entity to query by.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_autocomplete_callback_get_matches($type, $field, $instance, $entity_type, $entity_id = '', $string = '') {
 | 
	
		
			
				|  |  | +  $matches = array();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $entity = NULL;
 | 
	
		
			
				|  |  | +  if ($entity_id !== 'NULL') {
 | 
	
		
			
				|  |  | +    $entity = entity_load_single($entity_type, $entity_id);
 | 
	
		
			
				|  |  | +    if (!$entity || !entity_access('view', $entity_type, $entity)) {
 | 
	
		
			
				|  |  | +      return MENU_ACCESS_DENIED;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $handler = entityreference_get_selection_handler($field, $instance, $entity_type, $entity);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($type == 'tags') {
 | 
	
		
			
				|  |  | +    // The user enters a comma-separated list of tags. We only autocomplete the last tag.
 | 
	
		
			
				|  |  | +    $tags_typed = drupal_explode_tags($string);
 | 
	
		
			
				|  |  | +    $tag_last = drupal_strtolower(array_pop($tags_typed));
 | 
	
		
			
				|  |  | +    if (!empty($tag_last)) {
 | 
	
		
			
				|  |  | +      $prefix = count($tags_typed) ? implode(', ', $tags_typed) . ', ' : '';
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  else {
 | 
	
		
			
				|  |  | +    // The user enters a single tag.
 | 
	
		
			
				|  |  | +    $prefix = '';
 | 
	
		
			
				|  |  | +    $tag_last = $string;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if (isset($tag_last)) {
 | 
	
		
			
				|  |  | +    // Get an array of matching entities.
 | 
	
		
			
				|  |  | +    $entity_labels = $handler->getReferencableEntities($tag_last, $instance['widget']['settings']['match_operator'], 10);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // Loop through the products and convert them into autocomplete output.
 | 
	
		
			
				|  |  | +    foreach ($entity_labels as $values) {
 | 
	
		
			
				|  |  | +      foreach ($values as $entity_id => $label) {
 | 
	
		
			
				|  |  | +        $key = "$label ($entity_id)";
 | 
	
		
			
				|  |  | +        // Strip things like starting/trailing white spaces, line breaks and tags.
 | 
	
		
			
				|  |  | +        $key = preg_replace('/\s\s+/', ' ', str_replace("\n", '', trim(decode_entities(strip_tags($key)))));
 | 
	
		
			
				|  |  | +        // Names containing commas or quotes must be wrapped in quotes.
 | 
	
		
			
				|  |  | +        if (strpos($key, ',') !== FALSE || strpos($key, '"') !== FALSE) {
 | 
	
		
			
				|  |  | +          $key = '"' . str_replace('"', '""', $key) . '"';
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        $matches[$prefix . $key] = '<div class="reference-autocomplete">' . $label . '</div>';
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  drupal_json_output($matches);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_formatter_info().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_formatter_info() {
 | 
	
		
			
				|  |  | +  return array(
 | 
	
		
			
				|  |  | +    'entityreference_label' => array(
 | 
	
		
			
				|  |  | +      'label' => t('Label'),
 | 
	
		
			
				|  |  | +      'description' => t('Display the label of the referenced entities.'),
 | 
	
		
			
				|  |  | +      'field types' => array('entityreference'),
 | 
	
		
			
				|  |  | +      'settings' => array(
 | 
	
		
			
				|  |  | +        'link' => FALSE,
 | 
	
		
			
				|  |  | +      ),
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +    'entityreference_entity_id' => array(
 | 
	
		
			
				|  |  | +      'label' => t('Entity id'),
 | 
	
		
			
				|  |  | +      'description' => t('Display the id of the referenced entities.'),
 | 
	
		
			
				|  |  | +      'field types' => array('entityreference'),
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +    'entityreference_entity_view' => array(
 | 
	
		
			
				|  |  | +      'label' => t('Rendered entity'),
 | 
	
		
			
				|  |  | +      'description' => t('Display the referenced entities rendered by entity_view().'),
 | 
	
		
			
				|  |  | +      'field types' => array('entityreference'),
 | 
	
		
			
				|  |  | +      'settings' => array(
 | 
	
		
			
				|  |  | +        'view_mode' => '',
 | 
	
		
			
				|  |  | +        'links' => TRUE,
 | 
	
		
			
				|  |  | +      ),
 | 
	
		
			
				|  |  | +    ),
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_formatter_settings_form().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
 | 
	
		
			
				|  |  | +  $display = $instance['display'][$view_mode];
 | 
	
		
			
				|  |  | +  $settings = $display['settings'];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($display['type'] == 'entityreference_label') {
 | 
	
		
			
				|  |  | +    $element['link'] = array(
 | 
	
		
			
				|  |  | +      '#title' => t('Link label to the referenced entity'),
 | 
	
		
			
				|  |  | +      '#type' => 'checkbox',
 | 
	
		
			
				|  |  | +      '#default_value' => $settings['link'],
 | 
	
		
			
				|  |  | +    );
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($display['type'] == 'entityreference_entity_view') {
 | 
	
		
			
				|  |  | +    $entity_info = entity_get_info($field['settings']['target_type']);
 | 
	
		
			
				|  |  | +    $options = array();
 | 
	
		
			
				|  |  | +    if (!empty($entity_info['view modes'])) {
 | 
	
		
			
				|  |  | +      foreach ($entity_info['view modes'] as $view_mode => $view_mode_settings) {
 | 
	
		
			
				|  |  | +        $options[$view_mode] = $view_mode_settings['label'];
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    if (count($options) > 1) {
 | 
	
		
			
				|  |  | +      $element['view_mode'] = array(
 | 
	
		
			
				|  |  | +        '#type' => 'select',
 | 
	
		
			
				|  |  | +        '#options' => $options,
 | 
	
		
			
				|  |  | +        '#title' => t('View mode'),
 | 
	
		
			
				|  |  | +        '#default_value' => $settings['view_mode'],
 | 
	
		
			
				|  |  | +      );
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    $element['links'] = array(
 | 
	
		
			
				|  |  | +      '#type' => 'checkbox',
 | 
	
		
			
				|  |  | +      '#title' => t('Show links'),
 | 
	
		
			
				|  |  | +      '#default_value' => $settings['links'],
 | 
	
		
			
				|  |  | +    );
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return $element;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_formatter_settings_summary().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_formatter_settings_summary($field, $instance, $view_mode) {
 | 
	
		
			
				|  |  | +  $display = $instance['display'][$view_mode];
 | 
	
		
			
				|  |  | +  $settings = $display['settings'];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  $summary = array();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($display['type'] == 'entityreference_label') {
 | 
	
		
			
				|  |  | +    $summary[] = $settings['link'] ? t('Link to the referenced entity') : t('No link');
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($display['type'] == 'entityreference_entity_view') {
 | 
	
		
			
				|  |  | +    $entity_info = entity_get_info($field['settings']['target_type']);
 | 
	
		
			
				|  |  | +    $summary[] = t('Rendered as @mode', array('@mode' => isset($entity_info['view modes'][$settings['view_mode']]['label']) ? $entity_info['view modes'][$settings['view_mode']]['label'] : $settings['view_mode']));
 | 
	
		
			
				|  |  | +    $summary[] = !empty($settings['links']) ? t('Display links') : t('Do not display links');
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return implode('<br />', $summary);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_formatter_prepare_view().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_formatter_prepare_view($entity_type, $entities, $field, $instances, $langcode, &$items, $displays) {
 | 
	
		
			
				|  |  | +  $target_ids = array();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  // Collect every possible entity attached to any of the entities.
 | 
	
		
			
				|  |  | +  foreach ($entities as $id => $entity) {
 | 
	
		
			
				|  |  | +    foreach ($items[$id] as $delta => $item) {
 | 
	
		
			
				|  |  | +      if (isset($item['target_id'])) {
 | 
	
		
			
				|  |  | +        $target_ids[] = $item['target_id'];
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  if ($target_ids) {
 | 
	
		
			
				|  |  | +    $target_entities = entity_load($field['settings']['target_type'], $target_ids);
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  else {
 | 
	
		
			
				|  |  | +    $target_entities = array();
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  // Iterate through the fieldable entities again to attach the loaded data.
 | 
	
		
			
				|  |  | +  foreach ($entities as $id => $entity) {
 | 
	
		
			
				|  |  | +    $rekey = FALSE;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    foreach ($items[$id] as $delta => $item) {
 | 
	
		
			
				|  |  | +      // Check whether the referenced entity could be loaded.
 | 
	
		
			
				|  |  | +      if (isset($target_entities[$item['target_id']])) {
 | 
	
		
			
				|  |  | +        // Replace the instance value with the term data.
 | 
	
		
			
				|  |  | +        $items[$id][$delta]['entity'] = $target_entities[$item['target_id']];
 | 
	
		
			
				|  |  | +        // Check whether the user has access to the referenced entity.
 | 
	
		
			
				|  |  | +        $items[$id][$delta]['access'] = entity_access('view', $field['settings']['target_type'], $target_entities[$item['target_id']]);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      // Otherwise, unset the instance value, since the entity does not exist.
 | 
	
		
			
				|  |  | +      else {
 | 
	
		
			
				|  |  | +        unset($items[$id][$delta]);
 | 
	
		
			
				|  |  | +        $rekey = TRUE;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    if ($rekey) {
 | 
	
		
			
				|  |  | +      // Rekey the items array.
 | 
	
		
			
				|  |  | +      $items[$id] = array_values($items[$id]);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_field_formatter_view().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
 | 
	
		
			
				|  |  | +  $result = array();
 | 
	
		
			
				|  |  | +  $settings = $display['settings'];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  // Rebuild the items list to contain only those with access.
 | 
	
		
			
				|  |  | +  foreach ($items as $key => $item) {
 | 
	
		
			
				|  |  | +    if (empty($item['access'])) {
 | 
	
		
			
				|  |  | +      unset($items[$key]);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  switch ($display['type']) {
 | 
	
		
			
				|  |  | +    case 'entityreference_label':
 | 
	
		
			
				|  |  | +      $handler = entityreference_get_selection_handler($field, $instance, $entity_type, $entity);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      foreach ($items as $delta => $item) {
 | 
	
		
			
				|  |  | +        $label = $handler->getLabel($item['entity']);
 | 
	
		
			
				|  |  | +        // If the link is to be displayed and the entity has a uri, display a link.
 | 
	
		
			
				|  |  | +        // Note the assignment ($url = ) here is intended to be an assignment.
 | 
	
		
			
				|  |  | +        if ($display['settings']['link'] && ($uri = entity_uri($field['settings']['target_type'], $item['entity']))) {
 | 
	
		
			
				|  |  | +          $result[$delta] = array('#markup' => l($label, $uri['path'], $uri['options']));
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        else {
 | 
	
		
			
				|  |  | +          $result[$delta] = array('#markup' => check_plain($label));
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      break;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    case 'entityreference_entity_id':
 | 
	
		
			
				|  |  | +      foreach ($items as $delta => $item) {
 | 
	
		
			
				|  |  | +        $result[$delta] = array('#markup' => check_plain($item['target_id']));
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      break;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    case 'entityreference_entity_view':
 | 
	
		
			
				|  |  | +      foreach ($items as $delta => $item) {
 | 
	
		
			
				|  |  | +        // Protect ourselves from recursive rendering.
 | 
	
		
			
				|  |  | +        static $depth = 0;
 | 
	
		
			
				|  |  | +        $depth++;
 | 
	
		
			
				|  |  | +        if ($depth > 20) {
 | 
	
		
			
				|  |  | +          throw new EntityReferenceRecursiveRenderingException(t('Recursive rendering detected when rendering entity @entity_type(@entity_id). Aborting rendering.', array('@entity_type' => $entity_type, '@entity_id' => $item['target_id'])));
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        $entity = clone $item['entity'];
 | 
	
		
			
				|  |  | +        unset($entity->content);
 | 
	
		
			
				|  |  | +        $result[$delta] = entity_view($field['settings']['target_type'], array($item['target_id'] => $entity), $settings['view_mode'], $langcode, FALSE);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (empty($settings['links']) && isset($result[$delta][$field['settings']['target_type']][$item['target_id']]['links'])) {
 | 
	
		
			
				|  |  | +          $result[$delta][$field['settings']['target_type']][$item['target_id']]['links']['#access'] = FALSE;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        $depth = 0;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      break;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return $result;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Exception thrown when the entity view renderer goes into a potentially infinite loop.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +class EntityReferenceRecursiveRenderingException extends Exception {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Implements hook_views_api().
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function entityreference_views_api() {
 | 
	
		
			
				|  |  | +  return array(
 | 
	
		
			
				|  |  | +    'api' => 3,
 | 
	
		
			
				|  |  | +    'path' => drupal_get_path('module', 'entityreference') . '/views',
 | 
	
		
			
				|  |  | +  );
 | 
	
		
			
				|  |  | +}
 |