diff core/modules/views/src/Plugin/Block/ViewsBlockBase.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/views/src/Plugin/Block/ViewsBlockBase.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,209 @@
+<?php
+
+namespace Drupal\views\Plugin\Block;
+
+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 = $this->getDerivativeId();
+    list($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.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 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' => \Drupal::url('entity.view.edit_display_form', ['view' => $this->view->storage->id(), 'display_id' => $this->displayID]), '@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
+   *   An 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);
+    }
+  }
+
+}