class Block in Drupal 10
Same name in this branch
- 10 core/modules/block/src/Entity/Block.php \Drupal\block\Entity\Block
- 10 core/lib/Drupal/Core/Block/Annotation/Block.php \Drupal\Core\Block\Annotation\Block
- 10 core/modules/views/src/Plugin/views/display/Block.php \Drupal\views\Plugin\views\display\Block
- 10 core/modules/block/src/Plugin/migrate/source/Block.php \Drupal\block\Plugin\migrate\source\Block
Same name and namespace in other branches
- 8 core/modules/views/src/Plugin/views/display/Block.php \Drupal\views\Plugin\views\display\Block
- 9 core/modules/views/src/Plugin/views/display/Block.php \Drupal\views\Plugin\views\display\Block
The plugin that handles a block.
Plugin annotation
@ViewsDisplay(
id = "block",
title = @Translation("Block"),
help = @Translation("Display the view as a block."),
theme = "views_view",
register_theme = FALSE,
uses_hook_block = TRUE,
contextual_links_locations = {"block"},
admin = @Translation("Block")
)
Hierarchy
- class \Drupal\views\Plugin\views\display\Block extends \Drupal\views\Plugin\views\display\DisplayPluginBase
Expanded class hierarchy of Block
See also
\Drupal\views\Plugin\Block\ViewsBlock
\Drupal\views\Plugin\Derivative\ViewsBlock
Related topics
43 string references to 'Block'
- block.info.yml in core/
modules/ block/ block.info.yml - core/modules/block/block.info.yml
- block.schema.yml in core/
modules/ block/ config/ schema/ block.schema.yml - core/modules/block/config/schema/block.schema.yml
- BlockLibraryController::listBlocks in core/
modules/ block/ src/ Controller/ BlockLibraryController.php - Shows a list of blocks that can be added to a theme's layout.
- BlockListBuilder::buildBlocksForm in core/
modules/ block/ src/ BlockListBuilder.php - Builds the main "Blocks" portion of the form.
- BlockManagerTest::setUp in core/
tests/ Drupal/ Tests/ Core/ Block/ BlockManagerTest.php
File
- core/
modules/ views/ src/ Plugin/ views/ display/ Block.php, line 32
Namespace
Drupal\views\Plugin\views\displayView source
class Block extends DisplayPluginBase {
/**
* Whether the display allows attachments.
*
* @var bool
*/
protected $usesAttachments = TRUE;
/**
* The entity type manager.
*
* @var \Drupal\Core\Entity\EntityTypeManagerInterface
*/
protected $entityTypeManager;
/**
* The block manager.
*
* @var \Drupal\Core\Block\BlockManagerInterface
*/
protected $blockManager;
/**
* Constructs a new Block instance.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager.
* @param \Drupal\Core\Block\BlockManagerInterface $block_manager
* The block manager.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entity_type_manager, BlockManagerInterface $block_manager) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->entityTypeManager = $entity_type_manager;
$this->blockManager = $block_manager;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container
->get('entity_type.manager'), $container
->get('plugin.manager.block'));
}
/**
* {@inheritdoc}
*/
protected function defineOptions() {
$options = parent::defineOptions();
$options['block_description'] = [
'default' => '',
];
$options['block_category'] = [
'default' => $this
->t('Lists (Views)'),
];
$options['block_hide_empty'] = [
'default' => FALSE,
];
$options['allow'] = [
'contains' => [
'items_per_page' => [
'default' => 'items_per_page',
],
],
];
return $options;
}
/**
* Returns plugin-specific settings for the block.
*
* @param array $settings
* The settings of the block.
*
* @return array
* An array of block-specific settings to override the defaults provided in
* \Drupal\views\Plugin\Block\ViewsBlock::defaultConfiguration().
*
* @see \Drupal\views\Plugin\Block\ViewsBlock::defaultConfiguration()
*/
public function blockSettings(array $settings) {
$settings['items_per_page'] = 'none';
return $settings;
}
/**
* The display block handler returns the structure necessary for a block.
*/
public function execute() {
// Prior to this being called, the $view should already be set to this
// display, and arguments should be set on the view.
$element = $this->view
->render();
if ($this
->outputIsEmpty() && $this
->getOption('block_hide_empty') && empty($this->view->style_plugin->definition['even empty'])) {
return [];
}
else {
return $element;
}
}
/**
* Provide the summary for page options in the views UI.
*
* This output is returned as an array.
*/
public function optionsSummary(&$categories, &$options) {
parent::optionsSummary($categories, $options);
$categories['block'] = [
'title' => $this
->t('Block settings'),
'column' => 'second',
'build' => [
'#weight' => -10,
],
];
$block_description = strip_tags($this
->getOption('block_description'));
if (empty($block_description)) {
$block_description = $this
->t('None');
}
$block_category = $this
->getOption('block_category');
$options['block_description'] = [
'category' => 'block',
'title' => $this
->t('Block name'),
'value' => views_ui_truncate($block_description, 24),
];
$options['block_category'] = [
'category' => 'block',
'title' => $this
->t('Block category'),
'value' => views_ui_truncate($block_category, 24),
];
$filtered_allow = array_filter($this
->getOption('allow'));
$options['allow'] = [
'category' => 'block',
'title' => $this
->t('Allow settings'),
'value' => empty($filtered_allow) ? $this
->t('None') : $this
->t('Items per page'),
];
$options['block_hide_empty'] = [
'category' => 'other',
'title' => $this
->t('Hide block if the view output is empty'),
'value' => $this
->getOption('block_hide_empty') ? $this
->t('Yes') : $this
->t('No'),
];
}
/**
* Provide the default form for setting options.
*/
public function buildOptionsForm(&$form, FormStateInterface $form_state) {
parent::buildOptionsForm($form, $form_state);
switch ($form_state
->get('section')) {
case 'block_description':
$form['#title'] .= $this
->t('Block admin description');
$form['block_description'] = [
'#type' => 'textfield',
'#description' => $this
->t('This will appear as the name of this block in administer >> structure >> blocks.'),
'#default_value' => $this
->getOption('block_description'),
];
break;
case 'block_category':
$form['#title'] .= $this
->t('Block category');
$form['block_category'] = [
'#type' => 'textfield',
'#autocomplete_route_name' => 'block.category_autocomplete',
'#description' => $this
->t('The category this block will appear under on the <a href=":href">blocks placement page</a>.', [
':href' => Url::fromRoute('block.admin_display')
->toString(),
]),
'#default_value' => $this
->getOption('block_category'),
];
break;
case 'block_hide_empty':
$form['#title'] .= $this
->t('Block empty settings');
$form['block_hide_empty'] = [
'#title' => $this
->t('Hide block if no result/empty text'),
'#type' => 'checkbox',
'#description' => $this
->t('Hide the block if there is no result and no empty text and no header/footer which is shown on empty result'),
'#default_value' => $this
->getOption('block_hide_empty'),
];
break;
case 'exposed_form_options':
$this->view
->initHandlers();
if (!$this
->usesExposed() && parent::usesExposed()) {
$form['exposed_form_options']['warning'] = [
'#weight' => -10,
'#markup' => '<div class="messages messages--warning">' . $this
->t('Exposed filters in block displays require "Use AJAX" to be set to work correctly.') . '</div>',
];
}
break;
case 'allow':
$form['#title'] .= $this
->t('Allow settings in the block configuration');
$options = [
'items_per_page' => $this
->t('Items per page'),
];
$allow = array_keys(array_filter($this
->getOption('allow')));
$form['allow'] = [
'#type' => 'checkboxes',
'#default_value' => $allow,
'#options' => $options,
];
break;
}
}
/**
* Perform any necessary changes to the form values prior to storage.
*
* There is no need for this function to actually store the data.
*/
public function submitOptionsForm(&$form, FormStateInterface $form_state) {
parent::submitOptionsForm($form, $form_state);
$section = $form_state
->get('section');
switch ($section) {
case 'block_description':
case 'block_category':
case 'allow':
case 'block_hide_empty':
$this
->setOption($section, $form_state
->getValue($section));
break;
}
}
/**
* Adds the configuration form elements specific to this views block plugin.
*
* This method allows block instances to override the views items_per_page.
*
* @param \Drupal\views\Plugin\Block\ViewsBlock $block
* The ViewsBlock plugin.
* @param array $form
* The form definition array for the block configuration form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*
* @return array
* The renderable form array representing the entire configuration form.
*
* @see \Drupal\views\Plugin\Block\ViewsBlock::blockForm()
*/
public function blockForm(ViewsBlock $block, array &$form, FormStateInterface $form_state) {
$allow_settings = array_filter($this
->getOption('allow'));
$block_configuration = $block
->getConfiguration();
foreach ($allow_settings as $type => $enabled) {
if (empty($enabled)) {
continue;
}
switch ($type) {
case 'items_per_page':
$form['override']['items_per_page'] = [
'#type' => 'select',
'#title' => $this
->t('Items per block'),
'#options' => [
'none' => $this
->t('@count (default setting)', [
'@count' => $this
->getPlugin('pager')
->getItemsPerPage(),
]),
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
10 => 10,
12 => 12,
20 => 20,
24 => 24,
40 => 40,
48 => 48,
],
'#default_value' => $block_configuration['items_per_page'],
];
break;
}
}
return $form;
}
/**
* Handles form validation for the views block configuration form.
*
* @param \Drupal\views\Plugin\Block\ViewsBlock $block
* The ViewsBlock plugin.
* @param array $form
* The form definition array for the block configuration form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*
* @see \Drupal\views\Plugin\Block\ViewsBlock::blockValidate()
*/
public function blockValidate(ViewsBlock $block, array $form, FormStateInterface $form_state) {
}
/**
* Handles form submission for the views block configuration form.
*
* @param \Drupal\views\Plugin\Block\ViewsBlock $block
* The ViewsBlock plugin.
* @param array $form
* The form definition array for the full block configuration form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*
* @see \Drupal\views\Plugin\Block\ViewsBlock::blockSubmit()
*/
public function blockSubmit(ViewsBlock $block, $form, FormStateInterface $form_state) {
if ($items_per_page = $form_state
->getValue([
'override',
'items_per_page',
])) {
$block
->setConfigurationValue('items_per_page', $items_per_page);
}
$form_state
->unsetValue([
'override',
'items_per_page',
]);
}
/**
* Allows to change the display settings right before executing the block.
*
* @param \Drupal\views\Plugin\Block\ViewsBlock $block
* The block plugin for views displays.
*/
public function preBlockBuild(ViewsBlock $block) {
$config = $block
->getConfiguration();
if ($config['items_per_page'] !== 'none') {
$this->view
->setItemsPerPage($config['items_per_page']);
}
}
/**
* {@inheritdoc}
*/
public function usesExposedFormInBlock() {
return TRUE;
}
/**
* {@inheritdoc}
*/
public function remove() {
parent::remove();
if ($this->entityTypeManager
->hasDefinition('block')) {
$plugin_id = 'views_block:' . $this->view->storage
->id() . '-' . $this->display['id'];
foreach ($this->entityTypeManager
->getStorage('block')
->loadByProperties([
'plugin' => $plugin_id,
]) as $block) {
$block
->delete();
}
}
if ($this->blockManager instanceof CachedDiscoveryInterface) {
$this->blockManager
->clearCachedDefinitions();
}
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
Block:: |
protected | property | The block manager. | |
Block:: |
protected | property | The entity type manager. | |
Block:: |
protected | property | Whether the display allows attachments. | |
Block:: |
public | function | Adds the configuration form elements specific to this views block plugin. | |
Block:: |
public | function | Returns plugin-specific settings for the block. | |
Block:: |
public | function | Handles form submission for the views block configuration form. | |
Block:: |
public | function | Handles form validation for the views block configuration form. | |
Block:: |
public | function | Provide the default form for setting options. | |
Block:: |
public static | function | ||
Block:: |
protected | function | ||
Block:: |
public | function | The display block handler returns the structure necessary for a block. | |
Block:: |
public | function | Provide the summary for page options in the views UI. | |
Block:: |
public | function | Allows to change the display settings right before executing the block. | |
Block:: |
public | function | ||
Block:: |
public | function | Perform any necessary changes to the form values prior to storage. | |
Block:: |
public | function | ||
Block:: |
public | function | Constructs a new Block instance. |