class FormAlter in Layout Builder Restrictions 8.2
Same name in this branch
- 8.2 src/Form/FormAlter.php \Drupal\layout_builder_restrictions\Form\FormAlter
- 8.2 modules/layout_builder_restrictions_by_region/src/Form/FormAlter.php \Drupal\layout_builder_restrictions_by_region\Form\FormAlter
Same name and namespace in other branches
- 8 src/Form/FormAlter.php \Drupal\layout_builder_restrictions\Form\FormAlter
Supplement form UI to add setting for which blocks & layouts are available.
Hierarchy
- class \Drupal\layout_builder_restrictions\Form\FormAlter implements ContainerInjectionInterface uses DependencySerializationTrait, PluginHelperTrait
Expanded class hierarchy of FormAlter
1 file declares its use of FormAlter
- layout_builder_restrictions.module in ./
layout_builder_restrictions.module - Module file for layout builder restrictions.
File
- src/
Form/ FormAlter.php, line 19
Namespace
Drupal\layout_builder_restrictions\FormView source
class FormAlter implements ContainerInjectionInterface {
use PluginHelperTrait;
use DependencySerializationTrait;
/**
* The section storage manager.
*
* @var \Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface
*/
protected $sectionStorageManager;
/**
* The block manager.
*
* @var \Drupal\Core\Block\BlockManagerInterface
*/
protected $blockManager;
/**
* The layout manager.
*
* @var \Drupal\Core\Layout\LayoutPluginManagerInterface
*/
protected $layoutManager;
/**
* The context handler.
*
* @var \Drupal\Core\Plugin\Context\ContextHandlerInterface
*/
protected $contextHandler;
/**
* FormAlter constructor.
*
* @param \Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface $section_storage_manager
* The section storage manager.
* @param \Drupal\Core\Block\BlockManagerInterface $block_manager
* The block manager.
* @param \Drupal\Core\Block\LayoutPluginManagerInterface $layout_manager
* The layout plugin manager.
* @param \Drupal\Core\Plugin\Context\ContextHandlerInterface $context_handler
* The context handler.
*/
public function __construct(SectionStorageManagerInterface $section_storage_manager, BlockManagerInterface $block_manager, LayoutPluginManagerInterface $layout_manager, ContextHandlerInterface $context_handler) {
$this->sectionStorageManager = $section_storage_manager;
$this->blockManager = $block_manager;
$this->layoutManager = $layout_manager;
$this->contextHandler = $context_handler;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static($container
->get('plugin.manager.layout_builder.section_storage'), $container
->get('plugin.manager.block'), $container
->get('plugin.manager.core.layout'), $container
->get('context.handler'));
}
/**
* The actual form elements.
*/
public function alterEntityViewDisplayFormAllowedBlockCategories(&$form, FormStateInterface $form_state, $form_id) {
$display = $form_state
->getFormObject()
->getEntity();
$is_enabled = $display
->isLayoutBuilderEnabled();
if ($is_enabled) {
$form['#entity_builders'][] = [
$this,
'entityFormEntityBuild',
];
$allowed_block_categories = $display
->getThirdPartySetting('layout_builder_restrictions', 'allowed_block_categories', []);
$form['layout']['layout_builder_restrictions']['allowed_block_categories'] = [
'#title' => $this
->t('Default restriction for new categories of blocks not listed below.'),
'#description_display' => 'before',
'#type' => 'radios',
'#options' => [
"allowed" => $this
->t('Allow all blocks from newly available categories.'),
"restricted" => $this
->t('Restrict all blocks from newly available categories.'),
],
'#parents' => [
'layout_builder_restrictions',
'allowed_block_categories',
],
'#default_value' => !empty($allowed_block_categories) ? "restricted" : "allowed",
];
}
}
/**
* The actual form elements.
*/
public function alterEntityViewDisplayForm(&$form, FormStateInterface $form_state, $form_id) {
$display = $form_state
->getFormObject()
->getEntity();
$is_enabled = $display
->isLayoutBuilderEnabled();
if ($is_enabled) {
$form['#entity_builders'][] = [
$this,
'entityFormEntityBuild',
];
// Block settings.
$form['layout']['layout_builder_restrictions']['allowed_blocks'] = [
'#type' => 'details',
'#title' => $this
->t('Blocks available for placement (all layouts & regions)'),
'#states' => [
'disabled' => [
':input[name="layout[enabled]"]' => [
'checked' => FALSE,
],
],
'invisible' => [
':input[name="layout[enabled]"]' => [
'checked' => FALSE,
],
],
],
];
$third_party_settings = $display
->getThirdPartySetting('layout_builder_restrictions', 'entity_view_mode_restriction', []);
$whitelisted_blocks = isset($third_party_settings['whitelisted_blocks']) ? $third_party_settings['whitelisted_blocks'] : [];
$blacklisted_blocks = isset($third_party_settings['blacklisted_blocks']) ? $third_party_settings['blacklisted_blocks'] : [];
$restricted_categories = isset($third_party_settings['restricted_categories']) ? $third_party_settings['restricted_categories'] : [];
$allowed_block_categories = $display
->getThirdPartySetting('layout_builder_restrictions', 'allowed_block_categories', []);
foreach ($this
->getBlockDefinitions($display) as $category => $data) {
$title = $data['label'];
if (!empty($data['translated_label'])) {
$title = $data['translated_label'];
}
$category_form = [
'#type' => 'fieldset',
'#title' => $title,
'#parents' => [
'layout_builder_restrictions',
'allowed_blocks',
],
];
// Check whether this is a newly available category that has been
// restricted previously.
$category_is_restricted = !empty($allowed_block_categories) && !in_array($category, $allowed_block_categories);
// The category is 'restricted' if it's already been specified as such,
// or if the default behavior for new categories indicate such.
if (in_array($category, array_keys($whitelisted_blocks))) {
$category_setting = 'whitelisted';
}
elseif (in_array($category, array_keys($blacklisted_blocks))) {
$category_setting = 'blacklisted';
}
elseif ($category_is_restricted) {
$category_setting = 'restrict_all';
}
elseif (in_array($category, $restricted_categories)) {
$category_setting = 'restrict_all';
}
else {
$category_setting = 'all';
}
$category_form['restriction_behavior'] = [
'#type' => 'radios',
'#options' => [
"all" => $this
->t('Allow all existing & new %category blocks.', [
'%category' => $data['label'],
]),
"restrict_all" => $this
->t('Restrict all existing & new %category blocks.', [
'%category' => $data['label'],
]),
"whitelisted" => $this
->t('Allow specific %category blocks:', [
'%category' => $data['label'],
]),
"blacklisted" => $this
->t('Restrict specific %category blocks:', [
'%category' => $data['label'],
]),
],
'#default_value' => $category_setting,
'#parents' => [
'layout_builder_restrictions',
'allowed_blocks',
$category,
'restriction',
],
];
$category_form['available_blocks'] = [
'#type' => 'container',
'#states' => [
'invisible' => [
[
':input[name="layout_builder_restrictions[allowed_blocks][' . $category . '][restriction]"]' => [
'value' => "all",
],
],
[
':input[name="layout_builder_restrictions[allowed_blocks][' . $category . '][restriction]"]' => [
'value' => "restrict_all",
],
],
],
],
];
foreach ($data['definitions'] as $block_id => $block) {
$enabled = FALSE;
if ($category_setting == 'whitelisted' && isset($whitelisted_blocks[$category]) && in_array($block_id, $whitelisted_blocks[$category])) {
$enabled = TRUE;
}
elseif ($category_setting == 'blacklisted' && isset($blacklisted_blocks[$category]) && in_array($block_id, $blacklisted_blocks[$category])) {
$enabled = TRUE;
}
$category_form['available_blocks'][$block_id] = [
'#type' => 'checkbox',
'#title' => $block['admin_label'],
'#default_value' => $enabled,
'#parents' => [
'layout_builder_restrictions',
'allowed_blocks',
$category,
'available_blocks',
$block_id,
],
];
}
if ($category == 'Custom blocks' || $category == 'Custom block types') {
$category_form['description'] = [
'#type' => 'container',
'#children' => $this
->t('<p>In the event both <em>Custom Block Types</em> and <em>Custom Blocks</em> restrictions are enabled, <em>Custom Block Types</em> restrictions are disregarded.</p>'),
'#states' => [
'visible' => [
':input[name="layout_builder_restrictions[allowed_blocks][' . $category . '][restriction]"]' => [
'value' => "restricted",
],
],
],
];
}
$form['layout']['layout_builder_restrictions']['allowed_blocks'][$category] = $category_form;
}
// Layout settings.
$allowed_layouts = isset($third_party_settings['allowed_layouts']) ? $third_party_settings['allowed_layouts'] : [];
$layout_form = [
'#type' => 'details',
'#title' => $this
->t('Layouts available for sections'),
'#parents' => [
'layout_builder_restrictions',
'allowed_layouts',
],
'#states' => [
'disabled' => [
':input[name="layout[enabled]"]' => [
'checked' => FALSE,
],
],
'invisible' => [
':input[name="layout[enabled]"]' => [
'checked' => FALSE,
],
],
],
];
$layout_form['layout_restriction'] = [
'#type' => 'radios',
'#options' => [
"all" => $this
->t('Allow all existing & new layouts.'),
"restricted" => $this
->t('Allow only specific layouts:'),
],
'#default_value' => !empty($allowed_layouts) ? "restricted" : "all",
];
$definitions = $this
->getLayoutDefinitions();
foreach ($definitions as $plugin_id => $definition) {
$enabled = FALSE;
if (!empty($allowed_layouts) && in_array($plugin_id, $allowed_layouts)) {
$enabled = TRUE;
}
$layout_form['layouts'][$plugin_id] = [
'#type' => 'checkbox',
'#default_value' => $enabled,
'#description' => [
$definition
->getIcon(60, 80, 1, 3),
[
'#type' => 'container',
'#children' => $definition
->getLabel() . ' (' . $plugin_id . ')',
],
],
'#states' => [
'invisible' => [
':input[name="layout_builder_restrictions[allowed_layouts][layout_restriction]"]' => [
'value' => "all",
],
],
],
];
}
$form['layout']['layout_builder_restrictions']['allowed_layouts'] = $layout_form;
}
}
/**
* Save allowed blocks & layouts for the given entity view mode.
*/
public function entityFormEntityBuild($entity_type_id, LayoutEntityDisplayInterface $display, &$form, FormStateInterface &$form_state) {
$third_party_settings = $display
->getThirdPartySetting('layout_builder_restrictions', 'entity_view_mode_restriction');
$block_restrictions = $this
->setAllowedBlocks($form_state);
$third_party_settings['whitelisted_blocks'] = isset($block_restrictions['whitelisted']) ? $block_restrictions['whitelisted'] : [];
$third_party_settings['blacklisted_blocks'] = isset($block_restrictions['blacklisted']) ? $block_restrictions['blacklisted'] : [];
$third_party_settings['restricted_categories'] = $block_restrictions['restricted_categories'];
$third_party_settings['allowed_layouts'] = $this
->setAllowedLayouts($form_state);
$allowed_block_categories = $this
->setAllowedBlockCategories($form_state, $display);
// Save!
$display
->setThirdPartySetting('layout_builder_restrictions', 'allowed_block_categories', $allowed_block_categories);
$display
->setThirdPartySetting('layout_builder_restrictions', 'entity_view_mode_restriction', $third_party_settings);
}
/**
* Helper function to prepare saved allowed blocks.
*
* @param Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*
* @return array
* An array of layout names or empty.
*/
protected function setAllowedBlocks(FormStateInterface $form_state) {
$categories = $form_state
->getValue([
'layout_builder_restrictions',
'allowed_blocks',
]);
$block_restrictions = [];
$block_restrictions['restricted_categories'] = [];
if (!empty($categories)) {
foreach ($categories as $category => $settings) {
$restriction_type = $settings['restriction'];
if (in_array($restriction_type, [
'whitelisted',
'blacklisted',
])) {
$block_restrictions[$restriction_type][$category] = [];
foreach ($settings['available_blocks'] as $block_id => $block_setting) {
if ($block_setting == '1') {
// Include only checked blocks.
$block_restrictions[$restriction_type][$category][] = $block_id;
}
}
}
elseif ($restriction_type === "restrict_all") {
$block_restrictions['restricted_categories'][] = $category;
}
}
}
return $block_restrictions;
}
/**
* Helper function to prepare saved allowed layouts.
*
* @param Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*
* @return array
* An array of layout names or empty.
*/
protected function setAllowedLayouts(FormStateInterface $form_state) {
// Set allowed layouts.
$layout_restriction = $form_state
->getValue([
'layout_builder_restrictions',
'allowed_layouts',
'layout_restriction',
]);
$allowed_layouts = [];
if ($layout_restriction == 'restricted') {
$allowed_layouts = array_keys(array_filter($form_state
->getValue([
'layout_builder_restrictions',
'allowed_layouts',
'layouts',
])));
}
return $allowed_layouts;
}
/**
* Helper function to prepare saved block definition categories.
*
* @return array
* An array of block category names or empty.
*/
protected function setAllowedBlockCategories(FormStateInterface $form_state, LayoutEntityDisplayInterface $display) {
// Set default for allowed block categories.
$block_category_default = $form_state
->getValue([
'layout_builder_restrictions',
'allowed_block_categories',
]);
if ($block_category_default == 'restricted') {
// Create a whitelist of categories whose blocks should be allowed.
// Newly available categories' blocks not in this list will be
// disallowed.
$allowed_block_categories = array_keys($this
->getBlockDefinitions($display));
}
else {
// The UI choice indicates that all newly available categories'
// blocks should be allowed by default. Represent this in the schema
// as an empty array.
$allowed_block_categories = [];
}
return $allowed_block_categories;
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
DependencySerializationTrait:: |
protected | property | An array of entity type IDs keyed by the property name of their storages. | |
DependencySerializationTrait:: |
protected | property | An array of service IDs keyed by property name used for serialization. | |
DependencySerializationTrait:: |
public | function | 1 | |
DependencySerializationTrait:: |
public | function | 2 | |
FormAlter:: |
protected | property | The block manager. | |
FormAlter:: |
protected | property | The context handler. | |
FormAlter:: |
protected | property | The layout manager. | |
FormAlter:: |
protected | property | The section storage manager. | |
FormAlter:: |
public | function | The actual form elements. | |
FormAlter:: |
public | function | The actual form elements. | |
FormAlter:: |
public static | function |
Instantiates a new instance of this class. Overrides ContainerInjectionInterface:: |
|
FormAlter:: |
public | function | Save allowed blocks & layouts for the given entity view mode. | |
FormAlter:: |
protected | function | Helper function to prepare saved block definition categories. | |
FormAlter:: |
protected | function | Helper function to prepare saved allowed blocks. | |
FormAlter:: |
protected | function | Helper function to prepare saved allowed layouts. | |
FormAlter:: |
public | function | FormAlter constructor. | |
LayoutBuilderContextTrait:: |
protected | property | The context repository. | |
LayoutBuilderContextTrait:: |
protected | function | Gets the context repository service. | |
LayoutBuilderContextTrait:: |
protected | function | Provides all available contexts, both global and section_storage-specific. | |
PluginHelperTrait:: |
private | function | Gets the block manager. | |
PluginHelperTrait:: |
public | function | Helper function to check the default block category whitelist. | |
PluginHelperTrait:: |
private | function | Gets the context handler. | |
PluginHelperTrait:: |
private | function | Gets the entity bundle interface. | |
PluginHelperTrait:: |
protected | function | Gets block definitions appropriate for an entity display. | |
PluginHelperTrait:: |
protected | function | Generate a categorized list of blocks, based on the untranslated category. | |
PluginHelperTrait:: |
public | function | Method to categorize blocks in a multilingual-friendly way. | |
PluginHelperTrait:: |
public | function | Gets a list of all plugins available as Inline Blocks. | |
PluginHelperTrait:: |
protected | function | Gets layout definitions. | |
PluginHelperTrait:: |
protected | function | Sort block categories alphabetically. | |
PluginHelperTrait:: |
public | function | Helper function to return an untranslated block Category. | |
PluginHelperTrait:: |
public | function | A helper function to return values derivable from section storage. | |
PluginHelperTrait:: |
private | function | Gets the layout plugin manager. | |
PluginHelperTrait:: |
private | function | Gets the section storage manager. | |
StringTranslationTrait:: |
protected | property | The string translation service. | 1 |
StringTranslationTrait:: |
protected | function | Formats a string containing a count of items. | |
StringTranslationTrait:: |
protected | function | Returns the number of plurals supported by a given language. | |
StringTranslationTrait:: |
protected | function | Gets the string translation service. | |
StringTranslationTrait:: |
public | function | Sets the string translation service to use. | 2 |
StringTranslationTrait:: |
protected | function | Translates a string to the current language or to a given language. |