Issue #2637880 by Charlie ChX Negyesi: Ability to reference an entity and auto open its edit form

src/Plugin/Field/FieldWidget/InlineEntityFormBase.php

@@ -2,6 +2,7 @@
 
 namespace Drupal\inline_entity_form\Plugin\Field\FieldWidget;
 
+use Drupal\Core\Entity\ContentEntityInterface;
 use Drupal\Core\Entity\EntityDisplayRepositoryInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
@@ -397,7 +398,7 @@ abstract class InlineEntityFormBase extends WidgetBase implements ContainerFacto
         $widget_state['entities'][$delta] = [
           'entity' => $entity,
           'weight' => $delta,
-          'form' => NULL,
+          'form' => self::entityIsOpenFromQuery($entity, $form_state) ? 'edit' : NULL,
           'needs_save' => $entity->isNew(),
         ];
       }
@@ -405,6 +406,19 @@ abstract class InlineEntityFormBase extends WidgetBase implements ContainerFacto
     }
   }
 
+  public static function entityIsOpenFromQuery(ContentEntityInterface $entity, FormStateInterface $form_state) {
+    $query = \Drupal::request()->query;
+    if ($query->has('ief_open') && !$form_state->has('inline_entity_form_open')) {
+      $form_state->set('inline_entity_form_open', $query->get('ief_open'));
+    }
+    if ($form_state->has('inline_entity_form_open')) {
+      $ief_open = $form_state->get('inline_entity_form_open');
+      $query_value = sprintf('%s:%s', $entity->getEntityTypeId(), $entity->id());
+      return in_array($query_value, $ief_open);
+    }
+    return FALSE;
+  }
+
   /**
    * Gets inline entity form element.
    *

src/Plugin/Field/FieldWidget/InlineEntityFormComplex.php

@@ -368,6 +368,8 @@ class InlineEntityFormComplex extends InlineEntityFormBase implements ContainerF
       $entity = $value['entity'];
       $element['entities'][$key]['#label'] = $this->inlineFormHandler->getEntityLabel($value['entity']);
       $element['entities'][$key]['#entity'] = $value['entity'];
+      $element['entities'][$key]['#id'] = sprintf('ief-scrollto--%s-%s', $entity->getEntityTypeId(), $entity->id());
+
       $element['entities'][$key]['#needs_save'] = $value['needs_save'];
 
       // Handle row weights.