Issue #2796581 by tim.plunkett, jibran, catch, swentel, alexpott, cilefen,...

Issue #2796581 by tim.plunkett, jibran, catch, swentel, alexpott, cilefen, xjm, amateescu: Fields must store their region in entity displays

core/config/schema/core.entity.schema.yml

@@ -64,6 +64,9 @@ core.entity_view_display.*.*.*:
           weight:
             type: integer
             label: 'Weight'
+          region:
+            type: string
+            label: 'Region'
           label:
              type: string
              label: 'Label setting machine name'
@@ -115,6 +118,9 @@ core.entity_form_display.*.*.*:
           weight:
             type: integer
             label: 'Weight'
+          region:
+            type: string
+            label: 'Region'
           settings:
             type: field.widget.settings.[%parent.type]
             label: 'Settings'

core/includes/entity.inc

@@ -514,7 +514,7 @@ function entity_get_display($entity_type, $bundle, $view_mode) {
  *     'weight' => 1,
  *   ))
  *   ->setComponent('field_image', array(
- *     'type' => 'hidden',
+ *     'region' => 'hidden',
  *   ))
  *   ->save();
  * @endcode

core/lib/Drupal/Core/Entity/ContentEntityBase.php

@@ -1171,7 +1171,7 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       $fields[$entity_type->getKey('langcode')] = BaseFieldDefinition::create('language')
         ->setLabel(new TranslatableMarkup('Language'))
         ->setDisplayOptions('view', [
-          'type' => 'hidden',
+          'region' => 'hidden',
         ])
         ->setDisplayOptions('form', [
           'type' => 'language_select',

core/lib/Drupal/Core/Entity/EntityDisplayBase.php

@@ -154,6 +154,7 @@ public function __construct(array $values, $entity_type) {
   protected function init() {
     // Only populate defaults for "official" view modes and form modes.
     if ($this->mode !== static::CUSTOM_MODE) {
+      $default_region = $this->getDefaultRegion();
       // Fill in defaults for extra fields.
       $context = $this->displayContext == 'view' ? 'display' : $this->displayContext;
       $extra_fields = \Drupal::entityManager()->getExtraFields($this->targetEntityType, $this->bundle);
@@ -170,6 +171,10 @@ protected function init() {
             $this->hidden[$name] = TRUE;
           }
         }
+        // Ensure extra fields have a 'region'.
+        if (isset($this->content[$name])) {
+          $this->content[$name] += ['region' => $default_region];
+        }
       }
 
       // Fill in defaults for fields.
@@ -178,10 +183,17 @@ protected function init() {
         if (!$definition->isDisplayConfigurable($this->displayContext) || (!isset($this->content[$name]) && !isset($this->hidden[$name]))) {
           $options = $definition->getDisplayOptions($this->displayContext);
 
-          if (!empty($options['type']) && $options['type'] == 'hidden') {
+          // @todo Remove handling of 'type' in https://www.drupal.org/node/2799641.
+          if (!isset($options['region']) && !empty($options['type']) && $options['type'] === 'hidden') {
+            $options['region'] = 'hidden';
+            @trigger_error("Specifying 'type' => 'hidden' is deprecated, use 'region' => 'hidden' instead.", E_USER_DEPRECATED);
+          }
+
+          if (!empty($options['region']) && $options['region'] === 'hidden') {
             $this->hidden[$name] = TRUE;
           }
           elseif ($options) {
+            $options += ['region' => $default_region];
             $this->content[$name] = $this->pluginManager->prepareConfiguration($definition->getType(), $options);
           }
           // Note: (base) fields that do not specify display options are not
@@ -239,11 +251,39 @@ public function id() {
    * {@inheritdoc}
    */
   public function preSave(EntityStorageInterface $storage, $update = TRUE) {
+    // Ensure that a region is set on each component.
+    foreach ($this->getComponents() as $name => $component) {
+      $this->handleHiddenType($name, $component);
+      // Ensure that a region is set.
+      if (isset($this->content[$name]) && !isset($component['region'])) {
+        // Directly set the component to bypass other changes in setComponent().
+        $this->content[$name]['region'] = $this->getDefaultRegion();
+      }
+    }
+
     ksort($this->content);
     ksort($this->hidden);
     parent::preSave($storage, $update);
   }
 
+  /**
+   * Handles a component type of 'hidden'.
+   *
+   * @deprecated This method exists only for backwards compatibility.
+   *
+   * @todo Remove this in https://www.drupal.org/node/2799641.
+   *
+   * @param string $name
+   *   The name of the component.
+   * @param array $component
+   *   The component array.
+   */
+  protected function handleHiddenType($name, array $component) {
+    if (!isset($component['region']) && isset($component['type']) && $component['type'] === 'hidden') {
+      $this->removeComponent($name);
+    }
+  }
+
   /**
    * {@inheritdoc}
    */
@@ -504,6 +544,16 @@ protected function getPluginRemovedDependencies(array $plugin_dependencies, arra
     return $intersect;
   }
 
+  /**
+   * Gets the default region.
+   *
+   * @return string
+   *   The default region for this display.
+   */
+  protected function getDefaultRegion() {
+    return 'content';
+  }
+
   /**
    * {@inheritdoc}
    */

core/lib/Drupal/Core/Entity/entity.api.php

@@ -1638,7 +1638,7 @@ function hook_entity_form_display_alter(\Drupal\Core\Entity\Display\EntityFormDi
   // Hide the 'user_picture' field from the register form.
   if ($context['entity_type'] == 'user' && $context['form_mode'] == 'register') {
     $form_display->setComponent('user_picture', array(
-      'type' => 'hidden',
+      'region' => 'hidden',
     ));
   }
 }

core/lib/Drupal/Core/Field/BaseFieldDefinition.php

@@ -414,7 +414,7 @@ public function setDisplayOptions($display_context, array $options) {
   public function setDisplayConfigurable($display_context, $configurable) {
     // If no explicit display options have been specified, default to 'hidden'.
     if (empty($this->definition['display'][$display_context])) {
-      $this->definition['display'][$display_context]['options'] = array('type' => 'hidden');
+      $this->definition['display'][$display_context]['options'] = array('region' => 'hidden');
     }
     $this->definition['display'][$display_context]['configurable'] = $configurable;
     return $this;

core/lib/Drupal/Core/Field/FieldDefinitionInterface.php

@@ -137,10 +137,13 @@ public function isDisplayConfigurable($display_context);
    *   - label: (string) Position of the field label. The default 'field' theme
    *     implementation supports the values 'inline', 'above' and 'hidden'.
    *     Defaults to 'above'. Only applies to 'view' context.
+   *   - region: (string) The region the field is in, or 'hidden'. If not
+   *     specified, the default region will be used.
    *   - type: (string) The plugin (widget or formatter depending on
-   *     $display_context) to use, or 'hidden'. If not specified or if the
-   *     requested plugin is unknown, the 'default_widget' / 'default_formatter'
-   *     for the field type will be used.
+   *     $display_context) to use. If not specified or if the requested plugin
+   *     is unknown, the 'default_widget' / 'default_formatter' for the field
+   *     type will be used. Previously 'hidden' was a valid value, it is now
+   *     deprecated in favor of specifying 'region' => 'hidden'.
    *   - settings: (array) Settings for the plugin specified above. The default
    *     settings for the plugin will be used for settings left unspecified.
    *   - third_party_settings: (array) Settings provided by other extensions

core/modules/aggregator/config/install/core.entity_view_display.aggregator_feed.aggregator_feed.default.yml

@@ -11,20 +11,26 @@ content:
   checked:
     type: timestamp_ago
     weight: 1
+    region: content
     settings: {  }
     third_party_settings: {  }
     label: inline
   description:
     weight: 3
+    region: content
   feed_icon:
     weight: 5
+    region: content
   image:
     weight: 2
+    region: content
   items:
     weight: 0
+    region: content
   link:
     type: uri_link
     weight: 4
+    region: content
     settings: {  }
     third_party_settings: {  }
     label: inline

core/modules/aggregator/config/install/core.entity_view_display.aggregator_feed.aggregator_feed.summary.yml

@@ -12,8 +12,10 @@ mode: summary
 content:
   items:
     weight: 0
+    region: content
   more_link:
     weight: 1
+    region: content
 hidden:
   checked: true
   description: true

core/modules/aggregator/config/install/core.entity_view_display.aggregator_item.aggregator_item.summary.yml

@@ -12,6 +12,7 @@ mode: summary
 content:
   timestamp:
     weight: 0
+    region: content
 hidden:
   author: true
   description: true

core/modules/aggregator/src/Entity/Item.php

@@ -76,7 +76,7 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       ->setLabel(t('Link'))
       ->setDescription(t('The link of the feed item.'))
       ->setDisplayOptions('view', array(
-        'type' => 'hidden',
+        'region' => 'hidden',
       ))
       ->setDisplayConfigurable('view', TRUE);
 

core/modules/book/config/install/core.entity_form_display.node.book.default.yml

@@ -14,6 +14,7 @@ content:
   body:
     type: text_textarea_with_summary
     weight: 26
+    region: content
     settings:
       rows: 9
       summary_rows: 3
@@ -22,6 +23,7 @@ content:
   created:
     type: datetime_timestamp
     weight: 10
+    region: content
     settings: {  }
     third_party_settings: {  }
   promote:
@@ -29,16 +31,19 @@ content:
     settings:
       display_label: true
     weight: 15
+    region: content
     third_party_settings: {  }
   sticky:
     type: boolean_checkbox
     settings:
       display_label: true
     weight: 16
+    region: content
     third_party_settings: {  }
   title:
     type: string_textfield
     weight: -5
+    region: content
     settings:
       size: 60
       placeholder: ''
@@ -46,6 +51,7 @@ content:
   uid:
     type: entity_reference_autocomplete
     weight: 5
+    region: content
     settings:
       match_operator: CONTAINS
       size: 60

core/modules/book/config/install/core.entity_view_display.node.book.default.yml

@@ -16,8 +16,10 @@ content:
     label: hidden
     type: text_default
     weight: 100
+    region: content
     settings: {  }
     third_party_settings: {  }
   links:
     weight: 101
+    region: content
 hidden: {  }

core/modules/book/config/install/core.entity_view_display.node.book.teaser.yml

@@ -17,9 +17,11 @@ content:
     label: hidden
     type: text_summary_or_trimmed
     weight: 100
+    region: content
     settings:
       trim_length: 600
     third_party_settings: {  }
   links:
     weight: 101
+    region: content
 hidden: {  }

core/modules/content_moderation/src/EntityTypeInfo.php

@@ -299,7 +299,7 @@ public function entityBaseFieldInfo(EntityTypeInterface $entity_type) {
       ->setSetting('target_type', 'moderation_state')
       ->setDisplayOptions('view', [
         'label' => 'hidden',
-        'type' => 'hidden',
+        'region' => 'hidden',
         'weight' => -5,
       ])
       ->setDisplayOptions('form', [

core/modules/field/src/Entity/FieldConfig.php

@@ -306,7 +306,7 @@ public function isDisplayConfigurable($context) {
    */
   public function getDisplayOptions($display_context) {
     // Hide configurable fields by default.
-    return array('type' => 'hidden');
+    return array('region' => 'hidden');
   }
 
   /**

core/modules/field/src/Tests/EntityReference/EntityReferenceAdminTest.php

@@ -375,7 +375,6 @@ public function testAvailableFormatters() {
       'entity_reference_entity_id',
       'entity_reference_rss_category',
       'entity_reference_entity_view',
-      'hidden',
     ));
 
     // Test if User Reference Field has the correct formatters.
@@ -386,7 +385,6 @@ public function testAvailableFormatters() {
       'entity_reference_entity_id',
       'entity_reference_entity_view',
       'entity_reference_label',
-      'hidden',
     ));
 
     // Test if Node Entity Reference Field has the correct formatters.
@@ -395,7 +393,6 @@ public function testAvailableFormatters() {
       'entity_reference_label',
       'entity_reference_entity_id',
       'entity_reference_entity_view',
-      'hidden',
     ));
 
     // Test if Date Format Reference Field has the correct formatters.
@@ -404,7 +401,6 @@ public function testAvailableFormatters() {
     $this->assertFieldSelectOptions('fields[field_' . $date_format_field_name . '][type]', array(
       'entity_reference_label',
       'entity_reference_entity_id',
-      'hidden',
     ));
   }
 

core/modules/field/tests/src/Kernel/Migrate/d6/MigrateFieldFormatterSettingsTest.php

@@ -32,6 +32,7 @@ public function testEntityDisplaySettings() {
       'type' => 'text_trimmed',
       'settings' => array('trim_length' => 600),
       'third_party_settings' => array(),
+      'region' => 'content',
     );
 
     // Can we load any entity display.

core/modules/field/tests/src/Kernel/Migrate/d6/MigrateFieldWidgetSettingsTest.php

@@ -33,6 +33,7 @@ public function testWidgetSettings() {
     $expected = array('weight' => 1, 'type' => 'text_textfield');
     $expected['settings'] = array('size' => 60, 'placeholder' => '');
     $expected['third_party_settings'] = array();
+    $expected['region'] = 'content';
     $this->assertIdentical($expected, $component, 'Text field settings are correct.');
 
     // Integer field.

core/modules/field_ui/field_ui.js

@@ -265,11 +265,16 @@
     this.name = data.name;
     this.region = data.region;
     this.tableDrag = data.tableDrag;
+    this.defaultPlugin = data.defaultPlugin;
 
     // Attach change listener to the 'plugin type' select.
     this.$pluginSelect = $(row).find('select.field-plugin-type');
     this.$pluginSelect.on('change', Drupal.fieldUIOverview.onChange);
 
+    // Attach change listener to the 'region' select.
+    this.$regionSelect = $(row).find('select.field-region');
+    this.$regionSelect.on('change', Drupal.fieldUIOverview.onChange);
+
     return this;
   };
 
@@ -282,7 +287,7 @@
      *   Either 'hidden' or 'content'.
      */
     getRegion: function () {
-      return (this.$pluginSelect.val() === 'hidden') ? 'hidden' : 'content';
+      return this.$regionSelect.val();
     },
 
     /**
@@ -305,24 +310,16 @@
      *   {@link Drupal.fieldUIOverview.AJAXRefreshRows}.
      */
     regionChange: function (region) {
+      // Replace dashes with underscores.
+      region = region.replace(/-/g, '_');
 
-      // When triggered by a row drag, the 'format' select needs to be adjusted
-      // to the new region.
-      var currentValue = this.$pluginSelect.val();
-      var value;
-      // @TODO Check if this couldn't just be like
-      // if (region !== 'hidden') {
-      if (region === 'content') {
-        if (currentValue === 'hidden') {
-          // Restore the formatter back to the default formatter. Pseudo-fields
-          // do not have default formatters, we just return to 'visible' for
-          // those.
-          value = (typeof this.defaultPlugin !== 'undefined') ? this.defaultPlugin : this.$pluginSelect.find('option').val();
-        }
-      }
-      else {
-        value = 'hidden';
-      }
+      // Set the region of the select list.
+      this.$regionSelect.val(region);
+
+      // Restore the formatter back to the default formatter. Pseudo-fields
+      // do not have default formatters, we just return to 'visible' for
+      // those.
+      var value = (typeof this.defaultPlugin !== 'undefined') ? this.defaultPlugin : this.$pluginSelect.find('option').val();
 
       if (typeof value !== 'undefined') {
         this.$pluginSelect.val(value);