diff core/modules/views/src/Element/View.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/views/src/Element/View.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,102 @@
+<?php
+
+namespace Drupal\views\Element;
+
+use Drupal\Core\Render\Element\RenderElement;
+use Drupal\views\Views;
+
+/**
+ * Provides a render element to display a view.
+ *
+ * @RenderElement("view")
+ */
+class View extends RenderElement {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getInfo() {
+    $class = get_class($this);
+    return [
+      '#pre_render' => [
+        [$class, 'preRenderViewElement'],
+      ],
+      '#name' => NULL,
+      '#display_id' => 'default',
+      '#arguments' => [],
+      '#embed' => TRUE,
+      '#cache' => [],
+    ];
+  }
+
+  /**
+   * View element pre render callback.
+   */
+  public static function preRenderViewElement($element) {
+    // Allow specific Views displays to explicitly perform pre-rendering, for
+    // those displays that need to be able to know the fully built render array.
+    if (!empty($element['#pre_rendered'])) {
+      return $element;
+    }
+
+    if (!isset($element['#view'])) {
+      $view = Views::getView($element['#name']);
+    }
+    else {
+      $view = $element['#view'];
+    }
+
+    $element += $view->element;
+    $view->element = &$element;
+    // Mark the element as being prerendered, so other code like
+    // \Drupal\views\ViewExecutable::setCurrentPage knows that its no longer
+    // possible to manipulate the $element.
+    $view->element['#pre_rendered'] = TRUE;
+
+
+    if (isset($element['#response'])) {
+      $view->setResponse($element['#response']);
+    }
+
+    if ($view && $view->access($element['#display_id'])) {
+      if (!empty($element['#embed'])) {
+        $element['view_build'] = $view->preview($element['#display_id'], $element['#arguments']);
+      }
+      else {
+        // Add contextual links to the view. We need to attach them to the dummy
+        // $view_array variable, since contextual_preprocess() requires that they
+        // be attached to an array (not an object) in order to process them. For
+        // our purposes, it doesn't matter what we attach them to, since once they
+        // are processed by contextual_preprocess() they will appear in the
+        // $title_suffix variable (which we will then render in
+        // views-view.html.twig).
+        $view->setDisplay($element['#display_id']);
+        // Add the result of the executed view as a child element so any
+        // #pre_render elements for the view will get processed. A #pre_render
+        // element cannot be added to the main element as this is already inside
+        // a #pre_render callback.
+        $element['view_build'] = $view->executeDisplay($element['#display_id'], $element['#arguments']);
+
+        if (isset($element['view_build']['#title'])) {
+          $element['#title'] = &$element['view_build']['#title'];
+        }
+
+        if (empty($view->display_handler->getPluginDefinition()['returns_response'])) {
+          // views_add_contextual_links() needs the following information in
+          // order to be attached to the view.
+          $element['#view_id'] = $view->storage->id();
+          $element['#view_display_show_admin_links'] = $view->getShowAdminLinks();
+          $element['#view_display_plugin_id'] = $view->display_handler->getPluginId();
+          views_add_contextual_links($element, 'view', $view->current_display);
+        }
+      }
+      if (empty($view->display_handler->getPluginDefinition()['returns_response'])) {
+        $element['#attributes']['class'][] = 'views-element-container';
+        $element['#theme_wrappers'] = ['container'];
+      }
+    }
+
+    return $element;
+  }
+
+}