diff core/lib/Drupal/Core/Menu/LocalTaskDefault.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Menu/LocalTaskDefault.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,173 @@
+<?php
+
+namespace Drupal\Core\Menu;
+
+use Drupal\Component\Plugin\PluginBase;
+use Drupal\Core\Cache\Cache;
+use Drupal\Core\Cache\CacheableDependencyInterface;
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Default object used for LocalTaskPlugins.
+ */
+class LocalTaskDefault extends PluginBase implements LocalTaskInterface, CacheableDependencyInterface {
+
+  use DependencySerializationTrait;
+
+  /**
+   * The route provider to load routes by name.
+   *
+   * @var \Drupal\Core\Routing\RouteProviderInterface
+   */
+  protected $routeProvider;
+
+  /**
+   * TRUE if this plugin is forced active for options attributes.
+   *
+   * @var bool
+   */
+  protected $active = FALSE;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRouteName() {
+    return $this->pluginDefinition['route_name'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRouteParameters(RouteMatchInterface $route_match) {
+    $parameters = isset($this->pluginDefinition['route_parameters']) ? $this->pluginDefinition['route_parameters'] : [];
+    $route = $this->routeProvider()->getRouteByName($this->getRouteName());
+    $variables = $route->compile()->getVariables();
+
+    // Normally the \Drupal\Core\ParamConverter\ParamConverterManager has
+    // processed the Request attributes, and in that case the _raw_variables
+    // attribute holds the original path strings keyed to the corresponding
+    // slugs in the path patterns. For example, if the route's path pattern is
+    // /filter/tips/{filter_format} and the path is /filter/tips/plain_text then
+    // $raw_variables->get('filter_format') == 'plain_text'.
+
+    $raw_variables = $route_match->getRawParameters();
+
+    foreach ($variables as $name) {
+      if (isset($parameters[$name])) {
+        continue;
+      }
+
+      if ($raw_variables && $raw_variables->has($name)) {
+        $parameters[$name] = $raw_variables->get($name);
+      }
+      elseif ($value = $route_match->getRawParameter($name)) {
+        $parameters[$name] = $value;
+      }
+    }
+    // The UrlGenerator will throw an exception if expected parameters are
+    // missing. This method should be overridden if that is possible.
+    return $parameters;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getTitle(Request $request = NULL) {
+    // The title from YAML file discovery may be a TranslatableMarkup object.
+    return (string) $this->pluginDefinition['title'];
+  }
+
+  /**
+   * Returns the weight of the local task.
+   *
+   * @return int
+   *   The weight of the task. If not defined in the annotation returns 0 by
+   *   default or -10 for the root tab.
+   */
+  public function getWeight() {
+    // By default the weight is 0, or -10 for the root tab.
+    if (!isset($this->pluginDefinition['weight'])) {
+      if ($this->pluginDefinition['base_route'] == $this->pluginDefinition['route_name']) {
+        $this->pluginDefinition['weight'] = -10;
+      }
+      else {
+        $this->pluginDefinition['weight'] = 0;
+      }
+    }
+    return (int) $this->pluginDefinition['weight'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getOptions(RouteMatchInterface $route_match) {
+    $options = $this->pluginDefinition['options'];
+    if ($this->active) {
+      if (empty($options['attributes']['class']) || !in_array('is-active', $options['attributes']['class'])) {
+        $options['attributes']['class'][] = 'is-active';
+      }
+    }
+    return (array) $options;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setActive($active = TRUE) {
+    $this->active = $active;
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getActive() {
+    return $this->active;
+  }
+
+  /**
+   * Returns the route provider.
+   *
+   * @return \Drupal\Core\Routing\RouteProviderInterface
+   *   The route provider.
+   */
+  protected function routeProvider() {
+    if (!$this->routeProvider) {
+      $this->routeProvider = \Drupal::service('router.route_provider');
+    }
+    return $this->routeProvider;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheTags() {
+    if (!isset($this->pluginDefinition['cache_tags'])) {
+      return [];
+    }
+    return $this->pluginDefinition['cache_tags'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheContexts() {
+    if (!isset($this->pluginDefinition['cache_contexts'])) {
+      return [];
+    }
+    return $this->pluginDefinition['cache_contexts'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheMaxAge() {
+    if (!isset($this->pluginDefinition['cache_max_age'])) {
+      return Cache::PERMANENT;
+    }
+    return $this->pluginDefinition['cache_max_age'];
+  }
+
+}