diff core/lib/Drupal/Core/Controller/TitleResolver.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Controller/TitleResolver.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,71 @@
+<?php
+
+namespace Drupal\Core\Controller;
+
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\Core\StringTranslation\TranslationInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\Route;
+
+/**
+ * Provides the default implementation of the title resolver interface.
+ */
+class TitleResolver implements TitleResolverInterface {
+  use StringTranslationTrait;
+
+  /**
+   * The controller resolver.
+   *
+   * @var \Drupal\Core\Controller\ControllerResolverInterface
+   */
+  protected $controllerResolver;
+
+  /**
+   * Constructs a TitleResolver instance.
+   *
+   * @param \Drupal\Core\Controller\ControllerResolverInterface $controller_resolver
+   *   The controller resolver.
+   * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
+   *   The translation manager.
+   */
+  public function __construct(ControllerResolverInterface $controller_resolver, TranslationInterface $string_translation) {
+    $this->controllerResolver = $controller_resolver;
+    $this->stringTranslation = $string_translation;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getTitle(Request $request, Route $route) {
+    $route_title = NULL;
+    // A dynamic title takes priority. Route::getDefault() returns NULL if the
+    // named default is not set.  By testing the value directly, we also avoid
+    // trying to use empty values.
+    if ($callback = $route->getDefault('_title_callback')) {
+      $callable = $this->controllerResolver->getControllerFromDefinition($callback);
+      $arguments = $this->controllerResolver->getArguments($request, $callable);
+      $route_title = call_user_func_array($callable, $arguments);
+    }
+    elseif ($title = $route->getDefault('_title')) {
+      $options = [];
+      if ($context = $route->getDefault('_title_context')) {
+        $options['context'] = $context;
+      }
+      $args = [];
+      if (($raw_parameters = $request->attributes->get('_raw_variables'))) {
+        foreach ($raw_parameters->all() as $key => $value) {
+          $args['@' . $key] = $value;
+          $args['%' . $key] = $value;
+        }
+      }
+      if ($title_arguments = $route->getDefault('_title_arguments')) {
+        $args = array_merge($args, (array) $title_arguments);
+      }
+
+      // Fall back to a static string from the route.
+      $route_title = $this->t($title, $args, $options);
+    }
+    return $route_title;
+  }
+
+}