--- /dev/null
+<?php
+
+/**
+ * @file
+ * Hook implementations for entity_browser_entity_form.module.
+ *
+ * Provides integration with the Inline entity form module.
+ */
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Field\FieldDefinitionInterface;
+use Drupal\Core\Field\WidgetInterface;
+use Drupal\Core\Url;
+use Drupal\Component\Utility\NestedArray;
+use Drupal\entity_browser\Element\EntityBrowserElement;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+
+/**
+ * Implements hook_inline_entity_form_reference_form_alter().
+ */
+function entity_browser_entity_form_inline_entity_form_reference_form_alter(&$reference_form, FormStateInterface &$form_state) {
+ /** @var \Drupal\field\FieldConfigInterface $instance */
+ $instance = $form_state->get([
+ 'inline_entity_form',
+ $reference_form['#ief_id'],
+ 'instance',
+ ]);
+
+ /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $form_display */
+ $entity_form_id = $instance->getTargetEntityTypeId() . '.' . $instance->getTargetBundle() . '.default';
+ // TODO - 'default' might become configurable or something else in the future.
+ // See https://www.drupal.org/node/2510274
+ $form_display = \Drupal::entityTypeManager()->getStorage('entity_form_display')->load($entity_form_id);
+
+ $widget = $form_display->getRenderer($instance->getName());
+
+ $entity_browser_id = $widget->getThirdPartySetting('entity_browser_entity_form', 'entity_browser_id', '_none');
+ if ($entity_browser_id === '_none') {
+ return;
+ }
+
+ // Fetch the number of currently selected entities, if any.
+ $count_existing_selection = count($form_state->get([
+ 'inline_entity_form',
+ $reference_form['#ief_id'],
+ 'entities',
+ ]));
+
+ $cardinality = FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED;
+ if($instance->getFieldStorageDefinition()->get('cardinality') !== $cardinality) {
+ $cardinality = $instance->getFieldStorageDefinition()->get('cardinality') - $count_existing_selection;
+ }
+
+ unset($reference_form['entity_id']);
+ $reference_form['entity_browser'] = [
+ '#type' => 'entity_browser',
+ '#entity_browser' => $entity_browser_id,
+ '#cardinality' => $cardinality,
+ ];
+ $reference_form['#attached']['library'][] = 'entity_browser_entity_form/ief_autocomplete';
+ $reference_form['actions']['ief_reference_save']['#ajax']['event'] = 'entities-selected';
+
+ // Add custom validation and submit callbacks as we need to handle
+ // multi-value cases.
+ $reference_form['#element_validate'][0] = 'entity_browser_entity_form_reference_form_validate';
+ $reference_form['#ief_element_submit'][0] = 'entity_browser_entity_form_reference_form_submit';
+}
+
+/**
+ * Validates the form for adding existing entities.
+ *
+ * TODO see if we can get away without overriding entire IEF function.
+ *
+ * @param array $reference_form
+ * The reference entity form.
+ * @param \Drupal\Core\Form\FormStateInterface $form_state
+ * The form state of the parent form.
+ *
+ * @see inline_entity_form_reference_form_validate()
+ */
+function entity_browser_entity_form_reference_form_validate(array &$reference_form, FormStateInterface $form_state) {
+ $form_values = NestedArray::getValue($form_state->getValues(), $reference_form['#parents']);
+ if (empty($form_values['entity_browser']['entity_ids'])) {
+ // The entity_id element is required, the value is empty only if
+ // the form was cancelled.
+ return;
+ }
+ $ief_id = $reference_form['#ief_id'];
+ $labels = $reference_form['#ief_labels'];
+ $attach_entities = EntityBrowserElement::processEntityIds($form_values['entity_browser']['entity_ids']);
+
+ // Check if the entity is already referenced by the field.
+ if (!empty($attach_entities)) {
+ foreach ($attach_entities as $attach_entity) {
+ foreach ($form_state->get(['inline_entity_form', $ief_id, 'entities']) as $key => $value) {
+ if ($value['entity'] == $attach_entity) {
+ $form_state->setError($reference_form, t('The selected @label has already been added.', ['@label' => $labels['singular']]));
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Submits the form for adding existing entities.
+ *
+ * Adds the specified entity to the IEF form state.
+ *
+ * TODO see if we can get away without overriding entire IEF function.
+ *
+ * @param array $reference_form
+ * The reference entity form.
+ * @param \Drupal\Core\Form\FormStateInterface $form_state
+ * The form state of the parent form.
+ *
+ * @see inline_entity_form_reference_form_submit()
+ */
+function entity_browser_entity_form_reference_form_submit($reference_form, FormStateInterface $form_state) {
+ $ief_id = $reference_form['#ief_id'];
+ $form_values = NestedArray::getValue($form_state->getValues(), $reference_form['#parents']);
+ $attach_entities = EntityBrowserElement::processEntityIds($form_values['entity_browser']['entity_ids']);
+ $entities =& $form_state->get(['inline_entity_form', $ief_id, 'entities']);
+
+ // Determine the correct weight of the new element.
+ $weight = 0;
+ if ($entities) {
+ $weight = max(array_keys($entities)) + 1;
+ }
+
+ foreach ($attach_entities as $attach_entity) {
+ $entities[] = array(
+ 'entity' => $attach_entity,
+ 'weight' => $weight,
+ 'form' => NULL,
+ 'needs_save' => FALSE,
+ );
+ $weight++;
+ }
+ $form_state->set(['inline_entity_form', $ief_id, 'entities'], $entities);
+
+ // In some rare cases entity_ids keeps values of selected entities which then
+ // causes problems in subsequent selections. Let's make sure it is empty and
+ // ready for next usage of entity browser.
+ $form_state->setValueForElement($reference_form['entity_browser']['entity_ids'], '');
+ $input = &$form_state->getUserInput();
+ NestedArray::unsetValue($input, array_merge($reference_form['#parents'], ['entity_browser', 'entity_ids']));
+}
+
+/**
+ * Implements hook_field_widget_third_party_settings_form().
+ */
+function entity_browser_entity_form_field_widget_third_party_settings_form(WidgetInterface $plugin, FieldDefinitionInterface $field_definition, $form_mode, $form, FormStateInterface $form_state) {
+ if ($plugin->getPluginId() == 'inline_entity_form_complex') {
+ $entity_browsers = \Drupal::service('entity_type.manager')->getStorage('entity_browser')->loadMultiple();
+ if ($entity_browsers) {
+ $options = [];
+ foreach ($entity_browsers as $entity_browser) {
+ $options[$entity_browser->id()] = $entity_browser->label();
+ }
+ $element['entity_browser_id'] = [
+ '#type' => 'select',
+ '#title' => t('Entity browser'),
+ '#options' => $options,
+ '#empty_option' => t('- None -'),
+ '#empty_value' => '_none',
+ '#default_value' => $plugin->getThirdPartySetting('entity_browser_entity_form', 'entity_browser_id'),
+ ];
+ }
+ else {
+ $element['message'] = [
+ '#markup' => t('There are no entity browsers available. You can create one <a href="@url">here</a>.', ['@url' => Url::fromRoute('entity.entity_browser.collection')->toString()]),
+ ];
+ }
+ return $element;
+ }
+}
+
+/**
+ * Implements hook_field_widget_settings_summary_alter().
+ */
+function entity_browser_entity_form_field_widget_settings_summary_alter(&$summary, $context) {
+ $plugin = $context['widget'];
+ if ($plugin->getPluginId() == 'inline_entity_form_complex' && $plugin->getThirdPartySetting('entity_browser_entity_form', 'entity_browser_id') && $plugin->getThirdPartySetting('entity_browser_entity_form', 'entity_browser_id') !== '_none') {
+ $entity_browser_id = $plugin->getThirdPartySetting('entity_browser_entity_form', 'entity_browser_id');
+ $entity_browser = \Drupal::service('entity_type.manager')->getStorage('entity_browser')->load($entity_browser_id);
+ if ($entity_browser) {
+ $summary[] = t('Entity browser: @entity_browser.', [
+ '@entity_browser' => $entity_browser->label(),
+ ]);
+ }
+ return $summary;
+ }
+}
projects / yaffs-website / blobdiff