Version 1

[yaffs-website] / web / core / modules / views / src / Plugin / views / area / View.php

diff --git a/web/core/modules/views/src/Plugin/views/area/View.php b/web/core/modules/views/src/Plugin/views/area/View.php
new file mode 100644 (file)
index 0000000..832e231
--- /dev/null
+++ b/web/core/modules/views/src/Plugin/views/area/View.php
@@ -0,0 +1,165 @@
+<?php
+
+namespace Drupal\views\Plugin\views\area;
+
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\views\Views;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Views area handlers. Insert a view inside of an area.
+ *
+ * @ingroup views_area_handlers
+ *
+ * @ViewsArea("view")
+ */
+class View extends AreaPluginBase {
+
+  /**
+   * Stores whether the embedded view is actually empty.
+   *
+   * @var bool
+   */
+  protected $isEmpty;
+
+  /**
+   * The view storage.
+   *
+   * @var \Drupal\Core\Entity\EntityStorageInterface
+   */
+  protected $viewStorage;
+
+  /**
+   * Constructs a View 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\Core\Entity\EntityStorageInterface $view_storage
+   *   The view storage.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityStorageInterface $view_storage) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+
+    $this->viewStorage = $view_storage;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('entity.manager')->getStorage('view')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function defineOptions() {
+    $options = parent::defineOptions();
+
+    $options['view_to_insert'] = ['default' => ''];
+    $options['inherit_arguments'] = ['default' => FALSE];
+    return $options;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
+    parent::buildOptionsForm($form, $form_state);
+
+    $view_display = $this->view->storage->id() . ':' . $this->view->current_display;
+
+    $options = ['' => $this->t('-Select-')];
+    $options += Views::getViewsAsOptions(FALSE, 'all', $view_display, FALSE, TRUE);
+    $form['view_to_insert'] = [
+      '#type' => 'select',
+      '#title' => $this->t('View to insert'),
+      '#default_value' => $this->options['view_to_insert'],
+      '#description' => $this->t('The view to insert into this area.'),
+      '#options' => $options,
+    ];
+
+    $form['inherit_arguments'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Inherit contextual filters'),
+      '#default_value' => $this->options['inherit_arguments'],
+      '#description' => $this->t('If checked, this view will receive the same contextual filters as its parent.'),
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function render($empty = FALSE) {
+    if (!empty($this->options['view_to_insert'])) {
+      list($view_name, $display_id) = explode(':', $this->options['view_to_insert']);
+
+      $view = $this->viewStorage->load($view_name)->getExecutable();
+
+      if (empty($view) || !$view->access($display_id)) {
+        return [];
+      }
+      $view->setDisplay($display_id);
+
+      // Avoid recursion
+      $view->parent_views += $this->view->parent_views;
+      $view->parent_views[] = "$view_name:$display_id";
+
+      // Check if the view is part of the parent views of this view
+      $search = "$view_name:$display_id";
+      if (in_array($search, $this->view->parent_views)) {
+        drupal_set_message(t("Recursion detected in view @view display @display.", ['@view' => $view_name, '@display' => $display_id]), 'error');
+      }
+      else {
+        if (!empty($this->options['inherit_arguments']) && !empty($this->view->args)) {
+          $output = $view->preview($display_id, $this->view->args);
+        }
+        else {
+          $output = $view->preview($display_id);
+        }
+        $this->isEmpty = $view->display_handler->outputIsEmpty();
+        return $output;
+      }
+    }
+    return [];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function isEmpty() {
+    if (isset($this->isEmpty)) {
+      return $this->isEmpty;
+    }
+    else {
+      return parent::isEmpty();
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function calculateDependencies() {
+    $dependencies = parent::calculateDependencies();
+
+    list($view_id) = explode(':', $this->options['view_to_insert'], 2);
+    // Don't call the current view, as it would result into an infinite recursion.
+    if ($view_id && $this->view->storage->id() != $view_id) {
+      $view = $this->viewStorage->load($view_id);
+      $dependencies[$view->getConfigDependencyKey()][] = $view->getConfigDependencyName();
+    }
+
+    return $dependencies;
+  }
+
+}