ViewsBlockBase.php
Same filename in other branches
Namespace
Drupal\views\Plugin\BlockFile
-
core/
modules/ views/ src/ Plugin/ Block/ ViewsBlockBase.php
View source
<?php
namespace Drupal\views\Plugin\Block;
use Drupal\Core\Url;
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\views\ViewExecutableFactory;
use Drupal\Core\Entity\EntityStorageInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Session\AccountInterface;
/**
* Base class for Views block plugins.
*/
abstract class ViewsBlockBase extends BlockBase implements ContainerFactoryPluginInterface {
/**
* The View executable object.
*
* @var \Drupal\views\ViewExecutable
*/
protected $view;
/**
* The display ID being used for this View.
*
* @var string
*/
protected $displayID;
/**
* Indicates whether the display was successfully set.
*
* @var bool
*/
protected $displaySet;
/**
* The current user.
*
* @var \Drupal\Core\Session\AccountInterface
*/
protected $user;
/**
* Constructs a \Drupal\views\Plugin\Block\ViewsBlockBase object.
*
* @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\views\ViewExecutableFactory $executable_factory
* The view executable factory.
* @param \Drupal\Core\Entity\EntityStorageInterface $storage
* The views storage.
* @param \Drupal\Core\Session\AccountInterface $user
* The current user.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, ViewExecutableFactory $executable_factory, EntityStorageInterface $storage, AccountInterface $user) {
$this->pluginId = $plugin_id;
$delta = $this->getDerivativeId();
[
$name,
$this->displayID,
] = explode('-', $delta, 2);
// Load the view.
$view = $storage->load($name);
$this->view = $executable_factory->get($view);
$this->displaySet = $this->view
->setDisplay($this->displayID);
$this->user = $user;
parent::__construct($configuration, $plugin_id, $plugin_definition);
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container->get('views.executable'), $container->get('entity_type.manager')
->getStorage('view'), $container->get('current_user'));
}
/**
* {@inheritdoc}
*/
protected function blockAccess(AccountInterface $account) {
if ($this->view
->access($this->displayID)) {
$access = AccessResult::allowed();
}
else {
$access = AccessResult::forbidden();
}
return $access;
}
/**
* {@inheritdoc}
*/
public function defaultConfiguration() {
return [
'views_label' => '',
];
}
/**
* {@inheritdoc}
*/
public function getPreviewFallbackString() {
if (!empty($this->pluginDefinition["admin_label"])) {
return $this->t('"@view" views block', [
'@view' => $this->pluginDefinition["admin_label"],
]);
}
else {
return $this->t('"@view" views block', [
'@view' => $this->view->storage
->label() . '::' . $this->displayID,
]);
}
}
/**
* {@inheritdoc}
*/
public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
$form = parent::buildConfigurationForm($form, $form_state);
// Set the default label to '' so the views internal title is used.
$form['label']['#default_value'] = '';
$form['label']['#access'] = FALSE;
// Unset the machine_name provided by BlockForm.
unset($form['id']['#machine_name']['source']);
// Prevent users from changing the auto-generated block machine_name.
$form['id']['#access'] = FALSE;
$form['#pre_render'][] = '\\Drupal\\views\\Plugin\\views\\PluginBase::preRenderAddFieldsetMarkup';
// Allow to override the label on the actual page.
$form['views_label_checkbox'] = [
'#type' => 'checkbox',
'#title' => $this->t('Override title'),
'#default_value' => !empty($this->configuration['views_label']),
];
$form['views_label_fieldset'] = [
'#type' => 'fieldset',
'#states' => [
'visible' => [
[
':input[name="settings[views_label_checkbox]"]' => [
'checked' => TRUE,
],
],
],
],
];
$form['views_label'] = [
'#title' => $this->t('Title'),
'#type' => 'textfield',
'#default_value' => $this->configuration['views_label'] ?: $this->view
->getTitle(),
'#states' => [
'visible' => [
[
':input[name="settings[views_label_checkbox]"]' => [
'checked' => TRUE,
],
],
],
],
'#fieldset' => 'views_label_fieldset',
];
if ($this->view->storage
->access('edit') && \Drupal::moduleHandler()->moduleExists('views_ui')) {
$form['views_label']['#description'] = $this->t('Changing the title here means it cannot be dynamically altered anymore. (Try changing it directly in <a href=":url">@name</a>.)', [
':url' => Url::fromRoute('entity.view.edit_display_form', [
'view' => $this->view->storage
->id(),
'display_id' => $this->displayID,
])
->toString(),
'@name' => $this->view->storage
->label(),
]);
}
else {
$form['views_label']['#description'] = $this->t('Changing the title here means it cannot be dynamically altered anymore.');
}
return $form;
}
/**
* {@inheritdoc}
*/
public function blockSubmit($form, FormStateInterface $form_state) {
if (!$form_state->isValueEmpty('views_label_checkbox')) {
$this->configuration['views_label'] = $form_state->getValue('views_label');
}
else {
$this->configuration['views_label'] = '';
}
$form_state->unsetValue('views_label_checkbox');
}
/**
* Converts Views block content to a renderable array with contextual links.
*
* @param string|array $output
* A string|array representing the block. This will be modified to be a
* renderable array, containing the optional '#contextual_links' property (if
* there are any contextual links associated with the block).
* @param string $block_type
* The type of the block. If it's 'block' it's a regular views display,
* but 'exposed_filter' exist as well.
*/
protected function addContextualLinks(&$output, $block_type = 'block') {
// Do not add contextual links to an empty block.
if (!empty($output)) {
// Contextual links only work on blocks whose content is a renderable
// array, so if the block contains a string of already-rendered markup,
// convert it to an array.
if (is_string($output)) {
$output = [
'#markup' => $output,
];
}
// views_add_contextual_links() needs the following information in
// order to be attached to the view.
$output['#view_id'] = $this->view->storage
->id();
$output['#view_display_show_admin_links'] = $this->view
->getShowAdminLinks();
$output['#view_display_plugin_id'] = $this->view->display_handler
->getPluginId();
views_add_contextual_links($output, $block_type, $this->displayID);
}
}
/**
* Gets the view executable.
*
* @return \Drupal\views\ViewExecutable
* The view executable.
*
* @todo revisit after https://www.drupal.org/node/3027653. This method was
* added in https://www.drupal.org/node/3002608, but should not be
* necessary once block plugins can determine if they are being previewed.
*/
public function getViewExecutable() {
return $this->view;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
ViewsBlockBase | Base class for Views block plugins. |
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.