Updated to Drupal 8.6.4, which is PHP 7.3 friendly. Also updated HTMLaw library....
[yaffs-website] / web / core / modules / layout_builder / layout_builder.module
1 <?php
2
3 /**
4  * @file
5  * Provides hook implementations for Layout Builder.
6  */
7
8 use Drupal\Core\Entity\EntityInterface;
9 use Drupal\Core\Form\FormStateInterface;
10 use Drupal\Core\Routing\RouteMatchInterface;
11 use Drupal\Core\Url;
12 use Drupal\field\FieldConfigInterface;
13 use Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay;
14 use Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplayStorage;
15 use Drupal\layout_builder\Form\LayoutBuilderEntityViewDisplayForm;
16 use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
17 use Drupal\layout_builder\Entity\LayoutEntityDisplayInterface;
18 use Drupal\layout_builder\Plugin\Block\ExtraFieldBlock;
19 use Drupal\layout_builder\InlineBlockEntityOperations;
20 use Drupal\Core\Session\AccountInterface;
21 use Drupal\Core\Access\AccessResult;
22
23 /**
24  * Implements hook_help().
25  */
26 function layout_builder_help($route_name, RouteMatchInterface $route_match) {
27   // Add help text to the Layout Builder UI.
28   if ($route_match->getRouteObject()->getOption('_layout_builder')) {
29     $output = '<p>' . t('This layout builder tool allows you to configure the layout of the main content area.') . '</p>';
30     if (\Drupal::currentUser()->hasPermission('administer blocks')) {
31       $output .= '<p>' . t('To manage other areas of the page, use the <a href="@block-ui">block administration page</a>.', ['@block-ui' => Url::fromRoute('block.admin_display')->toString()]) . '</p>';
32     }
33     else {
34       $output .= '<p>' . t('To manage other areas of the page, use the block administration page.') . '</p>';
35     }
36     return $output;
37   }
38
39   switch ($route_name) {
40     case 'help.page.layout_builder':
41       $output = '<h3>' . t('About') . '</h3>';
42       $output .= '<p>' . t('Layout Builder provides layout building utility.') . '</p>';
43       $output .= '<p>' . t('For more information, see the <a href=":layout-builder-documentation">online documentation for the Layout Builder module</a>.', [':layout-builder-documentation' => 'https://www.drupal.org/docs/8/core/modules/layout_builder']) . '</p>';
44       return $output;
45   }
46 }
47
48 /**
49  * Implements hook_entity_type_alter().
50  */
51 function layout_builder_entity_type_alter(array &$entity_types) {
52   /** @var \Drupal\Core\Entity\EntityTypeInterface[] $entity_types */
53   $entity_types['entity_view_display']
54     ->setClass(LayoutBuilderEntityViewDisplay::class)
55     ->setStorageClass(LayoutBuilderEntityViewDisplayStorage::class)
56     ->setFormClass('edit', LayoutBuilderEntityViewDisplayForm::class);
57 }
58
59 /**
60  * Implements hook_form_FORM_ID_alter() for \Drupal\field_ui\Form\EntityFormDisplayEditForm.
61  */
62 function layout_builder_form_entity_form_display_edit_form_alter(&$form, FormStateInterface $form_state) {
63   // Hides the Layout Builder field. It is rendered directly in
64   // \Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay::buildMultiple().
65   unset($form['fields']['layout_builder__layout']);
66   $key = array_search('layout_builder__layout', $form['#fields']);
67   if ($key !== FALSE) {
68     unset($form['#fields'][$key]);
69   }
70 }
71
72 /**
73  * Implements hook_field_config_insert().
74  */
75 function layout_builder_field_config_insert(FieldConfigInterface $field_config) {
76   // Clear the sample entity for this entity type and bundle.
77   $sample_entity_generator = \Drupal::service('layout_builder.sample_entity_generator');
78   $sample_entity_generator->delete($field_config->getTargetEntityTypeId(), $field_config->getTargetBundle());
79   \Drupal::service('plugin.manager.block')->clearCachedDefinitions();
80 }
81
82 /**
83  * Implements hook_field_config_delete().
84  */
85 function layout_builder_field_config_delete(FieldConfigInterface $field_config) {
86   // Clear the sample entity for this entity type and bundle.
87   $sample_entity_generator = \Drupal::service('layout_builder.sample_entity_generator');
88   $sample_entity_generator->delete($field_config->getTargetEntityTypeId(), $field_config->getTargetBundle());
89   \Drupal::service('plugin.manager.block')->clearCachedDefinitions();
90 }
91
92 /**
93  * Implements hook_entity_view_alter().
94  *
95  * ExtraFieldBlock block plugins add placeholders for each extra field which is
96  * configured to be displayed. Those placeholders are replaced by this hook.
97  * Modules that implement hook_entity_extra_field_info() use their
98  * implementations of hook_entity_view_alter() to add the rendered output of
99  * the extra fields they provide, so we cannot get the rendered output of extra
100  * fields before this point in the view process.
101  * layout_builder_module_implements_alter() moves this implementation of
102  * hook_entity_view_alter() to the end of the list.
103  *
104  * @see \Drupal\layout_builder\Plugin\Block\ExtraFieldBlock::build()
105  * @see layout_builder_module_implements_alter()
106  */
107 function layout_builder_entity_view_alter(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display) {
108   if ($display instanceof LayoutEntityDisplayInterface) {
109     /** @var \Drupal\Core\Entity\EntityFieldManagerInterface $field_manager */
110     $field_manager = \Drupal::service('entity_field.manager');
111     $extra_fields = $field_manager->getExtraFields($entity->getEntityTypeId(), $entity->bundle());
112     if (!empty($extra_fields['display'])) {
113       foreach ($extra_fields['display'] as $field_name => $extra_field) {
114         // If the extra field is not set replace with an empty array to avoid
115         // the placeholder text from being rendered.
116         $replacement = isset($build[$field_name]) ? $build[$field_name] : [];
117         ExtraFieldBlock::replaceFieldPlaceholder($build, $replacement, $field_name);
118         // After the rendered field in $build has been copied over to the
119         // ExtraFieldBlock block we must remove it from its original location or
120         // else it will be rendered twice.
121         unset($build[$field_name]);
122       }
123     }
124   }
125 }
126
127 /**
128  * Implements hook_builder_module_implements_alter().
129  */
130 function layout_builder_module_implements_alter(&$implementations, $hook) {
131   if ($hook === 'entity_view_alter') {
132     // Ensure that this module's implementation of hook_entity_view_alter() runs
133     // last so that other modules that use this hook to render extra fields will
134     // run before it.
135     $group = $implementations['layout_builder'];
136     unset($implementations['layout_builder']);
137     $implementations['layout_builder'] = $group;
138   }
139 }
140
141 /**
142  * Implements hook_entity_presave().
143  */
144 function layout_builder_entity_presave(EntityInterface $entity) {
145   if (\Drupal::moduleHandler()->moduleExists('block_content')) {
146     /** @var \Drupal\layout_builder\InlineBlockEntityOperations $entity_operations */
147     $entity_operations = \Drupal::classResolver(InlineBlockEntityOperations::class);
148     $entity_operations->handlePreSave($entity);
149   }
150 }
151
152 /**
153  * Implements hook_entity_delete().
154  */
155 function layout_builder_entity_delete(EntityInterface $entity) {
156   if (\Drupal::moduleHandler()->moduleExists('block_content')) {
157     /** @var \Drupal\layout_builder\InlineBlockEntityOperations $entity_operations */
158     $entity_operations = \Drupal::classResolver(InlineBlockEntityOperations::class);
159     $entity_operations->handleEntityDelete($entity);
160   }
161 }
162
163 /**
164  * Implements hook_cron().
165  */
166 function layout_builder_cron() {
167   if (\Drupal::moduleHandler()->moduleExists('block_content')) {
168     /** @var \Drupal\layout_builder\InlineBlockEntityOperations $entity_operations */
169     $entity_operations = \Drupal::classResolver(InlineBlockEntityOperations::class);
170     $entity_operations->removeUnused();
171   }
172 }
173
174 /**
175  * Implements hook_plugin_filter_TYPE_alter().
176  */
177 function layout_builder_plugin_filter_block_alter(array &$definitions, array $extra, $consumer) {
178   // @todo Determine the 'inline_block' blocks should be allowed outside
179   //   of layout_builder https://www.drupal.org/node/2979142.
180   if ($consumer !== 'layout_builder') {
181     foreach ($definitions as $id => $definition) {
182       if ($definition['id'] === 'inline_block') {
183         unset($definitions[$id]);
184       }
185     }
186   }
187 }
188
189 /**
190  * Implements hook_ENTITY_TYPE_access().
191  */
192 function layout_builder_block_content_access(EntityInterface $entity, $operation, AccountInterface $account) {
193   /** @var \Drupal\block_content\BlockContentInterface $entity */
194   if ($operation === 'view' || $entity->isReusable() || empty(\Drupal::service('inline_block.usage')->getUsage($entity->id()))) {
195     // If the operation is 'view' or this is reusable block or if this is
196     // non-reusable that isn't used by this module then don't alter the access.
197     return AccessResult::neutral();
198   }
199
200   if ($account->hasPermission('configure any layout')) {
201     return AccessResult::allowed();
202   }
203   return AccessResult::forbidden();
204 }