merged CER submodule
This commit is contained in:
Bachir Soussi Chiadmi
253
sites/all/modules/contrib/fields/cer/cer.admin.inc
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253
sites/all/modules/contrib/fields/cer/cer.admin.inc
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<?php
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/**
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* @file
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* Administrative functionality, separated for performance purposes.
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*/
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/**
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* The settings form.
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*/
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function cer_settings_form($form = array(), &$form_state) {
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$channels = array();
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foreach (_cer_get_fields() as $field) {
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foreach ($field['bundles'] as $entity_type => $bundles) {
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foreach ($bundles as $bundle) {
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$instance = field_info_instance($entity_type, $field['field_name'], $bundle);
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$channels = array_merge($channels, _cer_find_channels($instance));
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}
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}
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}
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if (empty($channels)) {
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drupal_set_message(t('There are no entity reference fields that can correspond.'), 'warning');
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}
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else {
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$mapping = array();
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foreach ($channels as $count => $key) {
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$formatted_key = str_replace(' ', '*', $key);
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$mapping[$count] = $formatted_key;
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$form['values']["enabled_{$count}"] = array(
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'#type' => 'checkbox',
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'#default_value' => cer_preset_enabled($formatted_key),
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'#title' => theme('cer_label', array('key' => $key)),
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);
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}
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// We are using a hidden field to submit the configuration because on
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// some systems the checkbox name length is limited, and using
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// the key would cause the length to be too long. (Issue #558612)
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$form['mapping'] = array(
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'#type' => 'hidden',
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'#value' => serialize($mapping),
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);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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);
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}
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return $form;
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}
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/**
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* Submit function for settings form.
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*/
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function cer_settings_form_submit($form, $form_state) {
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ctools_include('export');
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$query_values = array();
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$mapping = unserialize($form_state['values']['mapping']);
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foreach ($form_state['values'] as $key => $value) {
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$keys = explode('_', $key);
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if ($keys[0] == 'enabled') {
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$query_values[$mapping[$keys[1]]] = $value;
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}
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}
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// load all existing presets
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$presets = ctools_export_crud_load_all('cer');
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foreach ($query_values as $key => $value) {
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// get preset object (create new one if it doesn't exist already).
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$preset = empty($presets[$key]) ? ctools_export_crud_new('cer') : $presets[$key];
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// set and save value
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if (empty($preset->entity_types_content_fields)) {
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$preset->entity_types_content_fields = $key;
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}
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$preset->enabled = $value;
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ctools_export_crud_save('cer', $preset);
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// remove from list of presets, so we know which ones are still used
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if (isset($presets[$key])) {
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unset($presets[$key]);
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}
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}
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drupal_set_message(t('The configuration has been saved.'));
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}
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/**
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* Allows batch updating of existing entities.
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*/
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function cer_update_form($form = array(), &$form_state) {
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$form['type'] = array(
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'#type' => 'select',
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'#title' => t('Entity type'),
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'#required' => TRUE,
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'#options' => array(),
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'#description' => t('Select the entity type that you want to update.'),
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);
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foreach (entity_get_info() as $type => $class) {
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$form['type']['#options'][$type] = $class['label'];
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}
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Submit'),
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);
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return $form;
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}
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/**
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* The update form.
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* Allows updating of current entitys.
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*/
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function cer_update_form_submit($form, &$form_state) {
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$batch = array(
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'finished' => 'cer_batch_update_existing_finished',
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'title' => t('Processing'),
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'init_message' => t('Preparing to update corresponding entity references for existing entities...'),
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'progress_message' => t('Processing entities...'),
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'error_message' => t('Corresponding entity references - existing entity update has encountered an error.'),
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);
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$entities = entity_load($form_state['values']['type'], FALSE);
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foreach ($entities as $entity) {
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$batch['operations'][] = array('cer_processing_entity', array('update', $entity, $form_state['values']['type']));
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}
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batch_set($batch);
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}
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/**
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* The purpose of this function is to answer this question: I am a field instance. Which other
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* fields reference the entity that owns me? And of those instances, which ones can I reference?
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* The answer is returned as an array of CER keys: "entity1 bundle1 field1 entity2 bundle2 field2".
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*
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* @param array $instance
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* Field instance info, as returned by field_info_instance().
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*
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* @return array
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*/
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function _cer_find_channels($instance) {
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$channels = array();
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$my_id = $instance['entity_type'] . ' ' . $instance['bundle'] . ' ' . $instance['field_name'];
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$my_info = field_info_field($instance['field_name']);
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$my_targets = _cer_get_target_bundles($my_info);
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$my_target_type = $my_info['settings']['target_type'];
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$referrers = _cer_find_referrers($instance['entity_type'], $instance['bundle']);
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foreach ($referrers as $referrer) {
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if (isset($referrer['bundles'][$my_target_type])) {
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if (empty($my_targets)) {
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$bundles = $referrer['bundles'][$my_target_type];
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}
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else {
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$bundles = array_intersect($referrer['bundles'][$my_target_type], $my_targets);
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}
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foreach ($bundles as $bundle) {
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$channels[] = "{$my_id} {$my_target_type} {$bundle} " . $referrer['field_name'];
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}
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}
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}
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return $channels;
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}
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/**
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* Find all fields that can reference the given entity type and bundle.
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*
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* @param $entity_type
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* The entity type that can be referenced.
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* @param $bundle
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* The bundle that can be referenced.
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*
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* @return array
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*/
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function _cer_find_referrers($entity_type, $bundle) {
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$referrers = array();
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foreach (_cer_get_fields() as $field) {
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if ($field['settings']['target_type'] == $entity_type) {
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$target_bundles = _cer_get_target_bundles($field);
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if (empty($target_bundles) || in_array($bundle, $target_bundles)) {
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$referrers[] = $field;
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}
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}
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}
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return $referrers;
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}
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/**
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* Find all bundles reference-able by a given field. If all bundles are reference-able,
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* an empty array is returned.
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*
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* @param $field
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* Field info array as returned by field_info_field().
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*
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* @return array
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*/
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function _cer_get_target_bundles($field) {
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$target_bundles = array();
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// If the reference field is using a view, load the view and see if it's filtering by the entity
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// type's bundle filter. If it is, the filter values are the target bundles. Otherwise,
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// assume that all bundles can be referenced.
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//
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// @todo Support contextual filters?
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//
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// NOTE: Selection handlers (i.e., $field['settings']['handler']) are plugins owned by
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// Entity Reference. There is no method defined to get an array of referenceable
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// bundles, but hopefully, if CER gains enough traction in the community, such a
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// method can be added to the EntityReference_SelectionHandler interface. This
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// function could then be deprecated, which would be a more flexible, future-proof
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// method of finding a field's target bundles.
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//
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if ($field['settings']['handler'] == 'views') {
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$view = views_get_view($field['settings']['handler_settings']['view']['view_name']);
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$view->set_display($field['settings']['handler_settings']['view']['display_name']);
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$info = entity_get_info($field['settings']['target_type']);
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if ($info['entity keys']['bundle'] && $handler = $view->display_handler->get_handler('filter', $info['entity keys']['bundle'])) {
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$target_bundles = $handler->value;
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}
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}
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else {
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$target_bundles = $field['settings']['handler_settings']['target_bundles'];
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}
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return $target_bundles;
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}
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/**
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* Get the Field API definitions for all entity reference fields.
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*
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* @return array
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*/
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function _cer_get_fields() {
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static $fields;
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if (!isset($fields)) {
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$fields = array_map('field_info_field', db_select('field_config', 'fc')->fields('fc', array('field_name'))->condition('type', 'entityreference')->execute()->fetchCol());
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}
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return $fields;
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}
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