diff --git a/includes/og.field.inc b/includes/og.field.inc
new file mode 100644
index 0000000..2f96b94
--- /dev/null
+++ b/includes/og.field.inc
@@ -0,0 +1,348 @@
+ t('OG reference'),
+ 'description' => t('Complex widget to reference groups.'),
+ 'field types' => array('entityreference'),
+ );
+
+ return $widgets;
+}
+
+
+/**
+ * Implements hook_field_widget_form().
+ */
+function og_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
+ $entity_type = $instance['entity_type'];
+ $entity = isset($element['#entity']) ? $element['#entity'] : NULL;
+
+ if (!$entity) {
+ return;
+ }
+
+ if ($field['settings']['handler'] != 'og') {
+ $params = array('%label' => $instance['label']);
+ form_error($form, t('Field %label is a group-audience but its Entity selection mode is not defined as "Organic groups" in the field settings page.', $params));
+ return;
+ }
+
+ // Cache the processed entity, to make sure we call the widget only once.
+ $cache = &drupal_static(__FUNCTION__, array());
+ list($id,, $bundle) = entity_extract_ids($entity_type, $entity);
+ $field_name = $field['field_name'];
+
+ $identifier = $field_name . ':' . $entity_type . ':' . $id;
+ if (isset($cache[$identifier])) {
+ return;
+ }
+ $cache[$identifier] = TRUE;
+
+ ctools_include('fields');
+
+ $field_modes = array('default');
+ $has_admin = FALSE;
+
+ // The group IDs that might not be accessible by the user, but we need
+ // to keep even after saving.
+ $element['#other_groups_ids'] = array();
+ $element['#element_validate'][] = 'og_complex_widget_element_validate';
+
+ if (user_access('administer group')) {
+ $has_admin = TRUE;
+ $field_modes[] = 'admin';
+ }
+
+ // Get the "Other group" group IDs.
+ $target_type = $field['settings']['target_type'];
+ $entity_gids = og_get_entity_groups($entity_type, $entity);
+ $entity_gids = !empty($entity_gids[$target_type]) ? $entity_gids[$target_type] : array();
+
+ $user_gids = og_get_entity_groups();
+ $user_gids = !empty($user_gids[$target_type]) ? $user_gids[$target_type] : array();
+
+ $other_groups_ids = array();
+ $full_diff = array_diff(array_merge($entity_gids, $user_gids), array_intersect($entity_gids, $user_gids));
+ $other_groups_ids = array_values($full_diff);
+
+ foreach ($field_modes as $field_mode) {
+ $mocked_instance = og_get_mocked_instance($instance, $field_mode);
+ $dummy_entity = clone $entity;
+
+ if ($has_admin) {
+ $mocked_instance['required'] = FALSE;
+ $mocked_instance['label'] = $field_mode == 'default' ? t('Default') : t('Administrator');
+
+ if ($id) {
+ // The field might be required, and it will throw an exception
+ // when we try to set an empty value, so change the wrapper's
+ // info.
+ $wrapper = entity_metadata_wrapper($entity_type, $dummy_entity, array('property info alter' => 'og_property_info_alter', 'field name' => $field_name));
+ if ($field_mode == 'admin') {
+ // Keep only the hidden group IDs on the entity, so they won't
+ // appear again on the "admin" field, for example on an autocomplete
+ // widget type.
+ $valid_ids = $other_groups_ids ? entityreference_get_selection_handler($field, $mocked_instance, $entity_type, $dummy_entity)->validateReferencableEntities($other_groups_ids) : array();
+ $valid_ids = $field['cardinality'] == 1 ? reset($valid_ids) : $valid_ids;
+ $wrapper->{$field_name}->set($valid_ids ? $valid_ids : NULL);
+ }
+ else {
+ // Keep only the groups that belong to the user and to the entity.
+ $my_group_ids = array_values(array_intersect($user_gids, $entity_gids));
+ $valid_ids = $my_group_ids ? entityreference_get_selection_handler($field, $mocked_instance, $entity_type, $dummy_entity)->validateReferencableEntities($my_group_ids) : array();
+
+ $valid_ids = $field['cardinality'] == 1 ? reset($valid_ids) : $valid_ids;
+ $wrapper->{$field_name}->set($valid_ids ? $valid_ids : NULL);
+ }
+ }
+ }
+ else {
+ // Non-admin user.
+ $mocked_instance_other_groups = $mocked_instance;
+ $mocked_instance_other_groups['field_mode'] = 'admin';
+ if ($other_groups_ids && $valid_ids = entityreference_get_selection_handler($field, $mocked_instance_other_groups, $entity_type, $dummy_entity)->validateReferencableEntities($other_groups_ids)) {
+ foreach ($valid_ids as $id) {
+ $element['#other_groups_ids'][] = array('target_id' => $id);
+ }
+ }
+ }
+
+ $dummy_form_state = $form_state;
+ if (empty($form_state['rebuild'])) {
+ // Form is "fresh" (i.e. not call from field_add_more_submit()), so
+ // re-set the items-count, to show the correct amount for the mocked
+ // instance.
+ $dummy_form_state['field'][$field_name][LANGUAGE_NONE]['items_count'] = !empty($dummy_entity->{$field_name}[LANGUAGE_NONE]) ? count($dummy_entity->{$field_name}[LANGUAGE_NONE]) : 0;
+ }
+
+ $new_element = ctools_field_invoke_field($mocked_instance, 'form', $entity_type, $dummy_entity, $form, $dummy_form_state, array('default' => TRUE));
+ $element[$field_mode] = $new_element[$field_name][LANGUAGE_NONE];
+
+ if (in_array($mocked_instance['widget']['type'], array('entityreference_autocomplete', 'entityreference_autocomplete_tags'))) {
+ // Change the "Add more" button name so it adds only the needed
+ // element.
+ if (!empty($element[$field_mode]['add_more']['#name'])) {
+ $element[$field_mode]['add_more']['#name'] .= '__' . $field_mode;
+ }
+
+ foreach (array_keys($element[$field_mode]) as $delta) {
+ if (!is_numeric($delta)) {
+ continue;
+ }
+
+ $sub_element = &$element[$field_mode][$delta]['target_id'];
+
+ // Rebuild the autocomplete path.
+ $path = explode('/', $sub_element['#autocomplete_path']);
+ $sub_element['#autocomplete_path'] = 'og/autocomplete';
+
+ // Add autocomplete type
+ $sub_element['#autocomplete_path'] .= "/$path[2]/$path[3]/$path[4]/$path[5]";
+
+ // Add field mode.
+ $sub_element['#autocomplete_path'] .= "/$field_mode";
+
+ // Add the entity ID.
+ $sub_element['#autocomplete_path'] .= "/$path[6]";
+ if (!empty($path[7])) {
+ // Add the text.
+ $sub_element['#autocomplete_path'] .= "/$path[7]";
+ }
+ }
+ }
+ }
+
+ $form['#after_build']['og'] = 'og_complex_widget_after_build';
+
+ return $element;
+}
+
+/**
+ * Property info alter; Change mocked field to be non-required.
+ */
+function og_property_info_alter($wrapper, $info) {
+ $property_info = $wrapper->info();
+ $field_name = $property_info['field name'];
+ $info['properties'][$field_name]['required'] = FALSE;
+ return $info;
+}
+
+/**
+ * Helper function; Get the mocked instance.
+ */
+function og_get_mocked_instance($instance, $field_mode) {
+ $mocked_instance = $instance;
+ $widget_type = $instance['settings']['behaviors']['og_widget'][$field_mode]['widget_type'];
+ $mocked_instance['widget']['type'] = $widget_type;
+
+ // Set the widget's module.
+ $widget_info = field_info_widget_types($widget_type);
+ $mocked_instance['widget']['module'] = $widget_info['module'];
+ $mocked_instance['widget']['settings'] = drupal_array_merge_deep($mocked_instance['widget']['settings'], $widget_info['settings']);
+
+ // See OgSelectionHandler::buildEntityFieldQuery().
+ $mocked_instance['field_mode'] = $field_mode;
+
+ if (!empty($mocked_instance['default_value_function']) && $mocked_instance['default_value_function'] == 'entityreference_prepopulate_field_default_value' && user_access('administer group') && module_exists('entityreference_prepopulate')) {
+ // If the default value function is to Entityreference-prepopualte
+ // we change it to our own function, that will filter default values
+ // according to the field-mode.
+ $mocked_instance['default_value_function'] = 'og_prepopulate_field_default_value';
+ }
+
+ return $mocked_instance;
+}
+
+/**
+ * Rebuild the element's values, using the default and admin if exists.
+ */
+function og_complex_widget_element_validate($element, &$form_state, $form) {
+ $subform = drupal_array_get_nested_value($form_state['values'], $element['#array_parents']);
+ $ids = $element['#other_groups_ids'];
+ foreach (array('default', 'admin') as $type) {
+ if (empty($subform[$type])) {
+ continue;
+ }
+
+ foreach ($subform[$type] as $delta => $value) {
+ if (!empty($value['target_id']) && is_numeric($value['target_id'])) {
+ $ids[] = array('target_id' => $value['target_id']);
+ }
+ }
+ }
+
+ // Set the form values by directly using drupal_array_set_nested_values(),
+ // which allows us to control the element parents. In this case we cut off the
+ // last element that contains the delta 0, as $ids is already keyed with
+ // deltas.
+ drupal_array_set_nested_value($form_state['values'], array_slice($element['#parents'], 0, -1), $ids, TRUE);
+}
+
+/**
+ * After build; Remove the "Add more" button.
+ *
+ * @see field_multiple_value_form()
+ * @see theme_field_multiple_value_form()
+ */
+function og_complex_widget_after_build($form, &$form_state) {
+ foreach (og_get_group_audience_fields($form['#entity_type'], $form['#bundle']) as $field_name => $value) {
+ if (empty($form[$field_name])) {
+ continue;
+ }
+ unset($form[$field_name][LANGUAGE_NONE]['#theme']);
+ unset($form[$field_name][LANGUAGE_NONE]['add_more']);
+ unset($form[$field_name][LANGUAGE_NONE][0]['_weight']);
+
+ if (!empty($form[$field_name][LANGUAGE_NONE][0]['admin'])) {
+ // Wrap both elements with a fieldset.
+ $form[$field_name][LANGUAGE_NONE]['#theme_wrappers'] = array('fieldset');
+ }
+ }
+
+ return $form;
+}
+
+/**
+ * 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 $field_mode
+ * The field mode, "default" or "admin".
+ * @param $entity_id
+ * Optional; The entity ID the entity-reference field is attached to.
+ * Defaults to ''.
+ * @param $string
+ * The label of the entity to query by.
+ *
+ * @see entityreference_autocomplete_callback()
+ */
+function og_entityreference_autocomplete_callback($type, $field_name, $entity_type, $bundle_name, $field_mode, $entity_id = '', $string = '') {
+ $field = field_info_field($field_name);
+ $instance = field_info_instance($entity_type, $field_name, $bundle_name);
+ $instance = og_get_mocked_instance($instance, $field_mode);
+ $matches = array();
+
+ if (!$field || !$instance || $field['type'] != 'entityreference' || !field_access('edit', $field, $entity_type)) {
+ return MENU_ACCESS_DENIED;
+ }
+
+ $entity = NULL;
+ if ($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 = $string;
+ }
+
+ if (!empty($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 $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] = '' . $label . '
';
+ }
+ }
+
+ drupal_json_output($matches);
+}
+
+/**
+ * Default value callback; Filter results by field-mode.
+ */
+function og_prepopulate_field_default_value($entity_type, $entity, $field, $instance, $langcode) {
+ if ($items = entityreference_prepopulate_get_values_from_url($field, $instance)) {
+ // Filter out the items that don't match the field-mode.
+ $gids = array();
+ foreach ($items as $item) {
+ $gids[] = $item['target_id'];
+ }
+ if (!$valid_ids = entityreference_get_selection_handler($field, $instance, $entity_type, $entity)->validateReferencableEntities($gids)) {
+ return;
+ }
+ $valid_items = array();
+ foreach ($valid_ids as $valid_id) {
+ $valid_items[] = array('target_id' => $valid_id);
+ }
+ return $valid_items;
+ }
+}
\ No newline at end of file
diff --git a/og.module b/og.module
index 8da9558..abc9763 100644
--- a/og.module
+++ b/og.module
@@ -5,6 +5,9 @@
* Enable users to create and manage groups with roles and permissions.
*/
+// Add field widget related code.
+require drupal_get_path('module', 'og') . '/includes/og.field.inc';
+
/**
* Define active group content states.
*
@@ -639,318 +642,6 @@ function og_views_api() {
);
}
-/**
- * Implements hook_field_widget_info().
- */
-function og_field_widget_info() {
- $widgets['og_complex'] = array(
- 'label' => t('OG reference'),
- 'description' => t('Complex widget to reference groups.'),
- 'field types' => array('entityreference'),
- );
-
- return $widgets;
-}
-
-
-/**
- * Implements hook_field_widget_form().
- */
-function og_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
- $entity_type = $instance['entity_type'];
- $entity = isset($element['#entity']) ? $element['#entity'] : NULL;
-
- if (!$entity) {
- return;
- }
-
- if ($field['settings']['handler'] != 'og') {
- $params = array('%label' => $instance['label']);
- form_error($form, t('Field %label is a group-audience but its Entity selection mode is not defined as "Organic groups" in the field settings page.', $params));
- return;
- }
-
- // Cache the processed entity, to make sure we call the widget only once.
- $cache = &drupal_static(__FUNCTION__, array());
- list($id,, $bundle) = entity_extract_ids($entity_type, $entity);
- $field_name = $field['field_name'];
-
- $identifier = $field_name . ':' . $entity_type . ':' . $id;
- if (isset($cache[$identifier])) {
- return;
- }
- $cache[$identifier] = TRUE;
-
- ctools_include('fields');
-
- $field_modes = array('default');
- $has_admin = FALSE;
-
- // The group IDs that might not be accessible by the user, but we need
- // to keep even after saving.
- $element['#other_groups_ids'] = array();
- $element['#element_validate'][] = 'og_complex_widget_element_validate';
-
- if (user_access('administer group')) {
- $has_admin = TRUE;
- $field_modes[] = 'admin';
- }
-
- // Get the "Other group" group IDs.
- $target_type = $field['settings']['target_type'];
- $entity_gids = og_get_entity_groups($entity_type, $entity);
- $entity_gids = !empty($entity_gids[$target_type]) ? $entity_gids[$target_type] : array();
-
- $user_gids = og_get_entity_groups();
- $user_gids = !empty($user_gids[$target_type]) ? $user_gids[$target_type] : array();
-
- $other_groups_ids = array();
- $full_diff = array_diff(array_merge($entity_gids, $user_gids), array_intersect($entity_gids, $user_gids));
- $other_groups_ids = array_values($full_diff);
-
- foreach ($field_modes as $field_mode) {
- $mocked_instance = og_get_mocked_instance($instance, $field_mode);
- $dummy_entity = clone $entity;
-
- if ($has_admin) {
- $mocked_instance['required'] = FALSE;
- $mocked_instance['label'] = $field_mode == 'default' ? t('Default') : t('Administrator');
-
- if ($id) {
- // The field might be required, and it will throw an exception
- // when we try to set an empty value, so change the wrapper's
- // info.
- $wrapper = entity_metadata_wrapper($entity_type, $dummy_entity, array('property info alter' => 'og_property_info_alter', 'field name' => $field_name));
- if ($field_mode == 'admin') {
- // Keep only the hidden group IDs on the entity, so they won't
- // appear again on the "admin" field, for example on an autocomplete
- // widget type.
- $valid_ids = $other_groups_ids ? entityreference_get_selection_handler($field, $mocked_instance, $entity_type, $dummy_entity)->validateReferencableEntities($other_groups_ids) : array();
- $valid_ids = $field['cardinality'] == 1 ? reset($valid_ids) : $valid_ids;
- $wrapper->{$field_name}->set($valid_ids ? $valid_ids : NULL);
- }
- else {
- // Keep only the groups that belong to the user and to the entity.
- $my_group_ids = array_values(array_intersect($user_gids, $entity_gids));
- $valid_ids = $my_group_ids ? entityreference_get_selection_handler($field, $mocked_instance, $entity_type, $dummy_entity)->validateReferencableEntities($my_group_ids) : array();
-
- $valid_ids = $field['cardinality'] == 1 ? reset($valid_ids) : $valid_ids;
- $wrapper->{$field_name}->set($valid_ids ? $valid_ids : NULL);
- }
- }
- }
- else {
- // Non-admin user.
- $mocked_instance_other_groups = $mocked_instance;
- $mocked_instance_other_groups['field_mode'] = 'admin';
- if ($other_groups_ids && $valid_ids = entityreference_get_selection_handler($field, $mocked_instance_other_groups, $entity_type, $dummy_entity)->validateReferencableEntities($other_groups_ids)) {
- foreach ($valid_ids as $id) {
- $element['#other_groups_ids'][] = array('target_id' => $id);
- }
- }
- }
-
- $dummy_form_state = $form_state;
- if (empty($form_state['rebuild'])) {
- // Form is "fresh" (i.e. not call from field_add_more_submit()), so
- // re-set the items-count, to show the correct amount for the mocked
- // instance.
- $dummy_form_state['field'][$field_name][LANGUAGE_NONE]['items_count'] = !empty($dummy_entity->{$field_name}[LANGUAGE_NONE]) ? count($dummy_entity->{$field_name}[LANGUAGE_NONE]) : 0;
- }
-
- $new_element = ctools_field_invoke_field($mocked_instance, 'form', $entity_type, $dummy_entity, $form, $dummy_form_state, array('default' => TRUE));
- $element[$field_mode] = $new_element[$field_name][LANGUAGE_NONE];
-
- if (in_array($mocked_instance['widget']['type'], array('entityreference_autocomplete', 'entityreference_autocomplete_tags'))) {
- // Change the "Add more" button name so it adds only the needed
- // element.
- if (!empty($element[$field_mode]['add_more']['#name'])) {
- $element[$field_mode]['add_more']['#name'] .= '__' . $field_mode;
- }
-
- foreach (array_keys($element[$field_mode]) as $delta) {
- if (!is_numeric($delta)) {
- continue;
- }
-
- $sub_element = &$element[$field_mode][$delta]['target_id'];
-
- // Rebuild the autocomplete path.
- $path = explode('/', $sub_element['#autocomplete_path']);
- $sub_element['#autocomplete_path'] = 'og/autocomplete';
-
- // Add autocomplete type
- $sub_element['#autocomplete_path'] .= "/$path[2]/$path[3]/$path[4]/$path[5]";
-
- // Add field mode.
- $sub_element['#autocomplete_path'] .= "/$field_mode";
-
- // Add the entity ID.
- $sub_element['#autocomplete_path'] .= "/$path[6]";
- if (!empty($path[7])) {
- // Add the text.
- $sub_element['#autocomplete_path'] .= "/$path[7]";
- }
- }
- }
- }
-
- $form['#after_build']['og'] = 'og_complex_widget_after_build';
-
- return $element;
-}
-
-/**
- * Property info alter; Change mocked field to be non-required.
- */
-function og_property_info_alter($wrapper, $info) {
- $property_info = $wrapper->info();
- $field_name = $property_info['field name'];
- $info['properties'][$field_name]['required'] = FALSE;
- return $info;
-}
-
-/**
- * Helper function; Get the mocked instance.
- */
-function og_get_mocked_instance($instance, $field_mode) {
- $mocked_instance = $instance;
- $widget_type = $instance['settings']['behaviors']['og_widget'][$field_mode]['widget_type'];
- $mocked_instance['widget']['type'] = $widget_type;
-
- // Set the widget's module.
- $widget_info = field_info_widget_types($widget_type);
- $mocked_instance['widget']['module'] = $widget_info['module'];
- $mocked_instance['widget']['settings'] = drupal_array_merge_deep($mocked_instance['widget']['settings'], $widget_info['settings']);
-
- // See OgSelectionHandler::buildEntityFieldQuery().
- $mocked_instance['field_mode'] = $field_mode;
-
- return $mocked_instance;
-}
-
-/**
- * Rebuild the element's values, using the default and admin if exists.
- */
-function og_complex_widget_element_validate($element, &$form_state, $form) {
- $subform = drupal_array_get_nested_value($form_state['values'], $element['#array_parents']);
- $ids = $element['#other_groups_ids'];
- foreach (array('default', 'admin') as $type) {
- if (empty($subform[$type])) {
- continue;
- }
-
- foreach ($subform[$type] as $delta => $value) {
- if (!empty($value['target_id']) && is_numeric($value['target_id'])) {
- $ids[] = array('target_id' => $value['target_id']);
- }
- }
- }
-
- // Set the form values by directly using drupal_array_set_nested_values(),
- // which allows us to control the element parents. In this case we cut off the
- // last element that contains the delta 0, as $ids is already keyed with
- // deltas.
- drupal_array_set_nested_value($form_state['values'], array_slice($element['#parents'], 0, -1), $ids, TRUE);
-}
-
-/**
- * After build; Remove the "Add more" button.
- *
- * @see field_multiple_value_form()
- * @see theme_field_multiple_value_form()
- */
-function og_complex_widget_after_build($form, &$form_state) {
- foreach (og_get_group_audience_fields($form['#entity_type'], $form['#bundle']) as $field_name => $value) {
- if (empty($form[$field_name])) {
- continue;
- }
- unset($form[$field_name][LANGUAGE_NONE]['#theme']);
- unset($form[$field_name][LANGUAGE_NONE]['add_more']);
- unset($form[$field_name][LANGUAGE_NONE][0]['_weight']);
-
- if (!empty($form[$field_name][LANGUAGE_NONE][0]['admin'])) {
- // Wrap both elements with a fieldset.
- $form[$field_name][LANGUAGE_NONE]['#theme_wrappers'] = array('fieldset');
- }
- }
-
- return $form;
-}
-
-/**
- * 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 $field_mode
- * The field mode, "default" or "admin".
- * @param $entity_id
- * Optional; The entity ID the entity-reference field is attached to.
- * Defaults to ''.
- * @param $string
- * The label of the entity to query by.
- *
- * @see entityreference_autocomplete_callback()
- */
-function og_entityreference_autocomplete_callback($type, $field_name, $entity_type, $bundle_name, $field_mode, $entity_id = '', $string = '') {
- $field = field_info_field($field_name);
- $instance = field_info_instance($entity_type, $field_name, $bundle_name);
- $instance = og_get_mocked_instance($instance, $field_mode);
- $matches = array();
-
- if (!$field || !$instance || $field['type'] != 'entityreference' || !field_access('edit', $field, $entity_type)) {
- return MENU_ACCESS_DENIED;
- }
-
- $entity = NULL;
- if ($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 = $string;
- }
-
- if (!empty($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 $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] = '' . $label . '
';
- }
- }
-
- drupal_json_output($matches);
-}
/**
* Implements hook_field_create_instance().