Issue #1963394 by tim.plunkett, jibran, effulgentsia: Fixed...

Issue #1963394 by tim.plunkett, jibran, effulgentsia: Fixed ConfirmFormBase::getCancelPath() should allow for a route.

core/lib/Drupal/Core/Entity/EntityConfirmFormBase.php

@@ -7,7 +7,7 @@
 
 namespace Drupal\Core\Entity;
 
-use Drupal\Component\Utility\Url;
+use Drupal\Core\Form\ConfirmFormHelper;
 use Drupal\Core\Form\ConfirmFormInterface;
 use Symfony\Component\HttpFoundation\Request;
 
@@ -85,24 +85,8 @@ protected function actions(array $form, array &$form_state) {
     $actions['submit']['#value'] = $this->getConfirmText();
     unset($actions['delete']);
 
-    $path = $this->getCancelPath();
     // Prepare cancel link.
-    $query = $this->getRequest()->query;
-    if ($query->has('destination')) {
-      $options = Url::parse($query->get('destination'));
-    }
-    elseif (is_array($path)) {
-      $options = $path;
-    }
-    else {
-      $options = array('path' => $path);
-    }
-    $actions['cancel'] = array(
-      '#type' => 'link',
-      '#title' => $this->getCancelText(),
-      '#href' => $options['path'],
-      '#options' => $options,
-    );
+    $actions['cancel'] = ConfirmFormHelper::buildCancelLink($this, $this->getRequest());
     return $actions;
   }
 

core/lib/Drupal/Core/Entity/EntityManager.php

@@ -410,6 +410,33 @@ public function getAdminPath($entity_type, $bundle) {
     return $admin_path;
   }
 
+  /**
+   * Returns the route information for an entity type's bundle.
+   *
+   * @param string $entity_type
+   *   The entity type.
+   * @param string $bundle
+   *   The name of the bundle.
+   *
+   * @return array
+   *   An associative array with the following keys:
+   *   - route_name: The name of the route.
+   *   - route_parameters: (optional) An associative array of parameter names
+   *     and values.
+   */
+  public function getAdminRouteInfo($entity_type, $bundle) {
+    $entity_info = $this->getDefinition($entity_type);
+    if (isset($entity_info['bundle_prefix'])) {
+      $bundle = str_replace($entity_info['bundle_prefix'], '', $bundle);
+    }
+    return array(
+      'route_name' => 'field_ui.overview.' . $entity_type,
+      'route_parameters' => array(
+        'bundle' => $bundle,
+      )
+    );
+  }
+
   /**
    * Gets an array of entity field definitions.
    *

core/lib/Drupal/Core/Entity/EntityNGConfirmFormBase.php

@@ -7,7 +7,7 @@
 
 namespace Drupal\Core\Entity;
 
-use Drupal\Component\Utility\Url;
+use Drupal\Core\Form\ConfirmFormHelper;
 use Drupal\Core\Form\ConfirmFormInterface;
 
 /**
@@ -92,24 +92,9 @@ protected function actions(array $form, array &$form_state) {
     $actions['submit']['#value'] = $this->getConfirmText();
     unset($actions['delete']);
 
-    $path = $this->getCancelPath();
     // Prepare cancel link.
-    $query = $this->getRequest()->query;
-    if ($query->has('destination')) {
-      $options = Url::parse($query->get('destination'));
-    }
-    elseif (is_array($path)) {
-      $options = $path;
-    }
-    else {
-      $options = array('path' => $path);
-    }
-    $actions['cancel'] = array(
-      '#type' => 'link',
-      '#title' => $this->getCancelText(),
-      '#href' => $options['path'],
-      '#options' => $options,
-    );
+    $actions['cancel'] = ConfirmFormHelper::buildCancelLink($this, $this->getRequest());
+
     return $actions;
   }
 

core/lib/Drupal/Core/Form/ConfirmFormBase.php

@@ -7,8 +7,6 @@
 
 namespace Drupal\Core\Form;
 
-use Drupal\Component\Utility\Url;
-
 /**
  * Provides an generic base class for a confirmation form.
  */
@@ -46,19 +44,6 @@ public function getFormName() {
    * {@inheritdoc}
    */
   public function buildForm(array $form, array &$form_state) {
-    $path = $this->getCancelPath();
-    // Prepare cancel link.
-    $query = $this->getRequest()->query;
-    if ($query->has('destination')) {
-      $options = Url::parse($query->get('destination'));
-    }
-    elseif (is_array($path)) {
-      $options = $path;
-    }
-    else {
-      $options = array('path' => $path);
-    }
-
     drupal_set_title($this->getQuestion(), PASS_THROUGH);
 
     $form['#attributes']['class'][] = 'confirmation';
@@ -70,12 +55,9 @@ public function buildForm(array $form, array &$form_state) {
       '#type' => 'submit',
       '#value' => $this->getConfirmText(),
     );
-    $form['actions']['cancel'] = array(
-      '#type' => 'link',
-      '#title' => $this->getCancelText(),
-      '#href' => $options['path'],
-      '#options' => $options,
-    );
+
+    $form['actions']['cancel'] = ConfirmFormHelper::buildCancelLink($this, $this->getRequest());
+
     // By default, render the form using theme_confirm_form().
     if (!isset($form['#theme'])) {
       $form['#theme'] = 'confirm_form';

core/lib/Drupal/Core/Form/ConfirmFormHelper.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\Form\ConfirmFormHelper.
+ */
+
+namespace Drupal\Core\Form;
+
+use Drupal\Component\Utility\String;
+use Drupal\Component\Utility\Url;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Provides common functionality to confirmation forms.
+ */
+class ConfirmFormHelper {
+
+  /**
+   * Builds the cancel link for a confirmation form.
+   *
+   * @param \Drupal\Core\Form\ConfirmFormInterface $form
+   *   The confirmation form.
+   * @param \Symfony\Component\HttpFoundation\Request $request
+   *   The current request.
+   *
+   * @return array
+   *   The link render array for the cancel form.
+   *
+   * @throws \UnexpectedValueException
+   *   Ensures that \Drupal\Core\Form\ConfirmFormInterface::getCancelRoute()
+   *   returns an array containing a route name.
+   */
+  public static function buildCancelLink(ConfirmFormInterface $form, Request $request) {
+    // Prepare cancel link.
+    $query = $request->query;
+    // If a destination is specified, that serves as the cancel link.
+    if ($query->has('destination')) {
+      $options = Url::parse($query->get('destination'));
+      $link = array(
+        '#href' => $options['path'],
+        '#options' => $options,
+      );
+    }
+    // Check for a route-based cancel link.
+    elseif ($route = $form->getCancelRoute()) {
+      if (empty($route['route_name'])) {
+        throw new \UnexpectedValueException(String::format('Missing route name in !class::getCancelRoute().', array('!class' => get_class($form))));
+      }
+      // Ensure there is something to pass as the params and options.
+      $route += array(
+        'route_parameters' => array(),
+        'options' => array(),
+      );
+      $link = array(
+        '#route_name' => $route['route_name'],
+        '#route_parameters' => $route['route_parameters'],
+        '#options' => $route['options'],
+      );
+    }
+
+    $link['#type'] = 'link';
+    $link['#title'] = $form->getCancelText();
+    return $link;
+  }
+
+}

core/lib/Drupal/Core/Form/ConfirmFormInterface.php

@@ -21,17 +21,18 @@ interface ConfirmFormInterface extends FormInterface {
   public function getQuestion();
 
   /**
-   * Returns the page to go to if the user cancels the action.
+   * Returns the route to go to if the user cancels the action.
    *
-   * @return string|array
-   *   This can be either:
-   *   - A string containing a Drupal path.
-   *   - An associative array with a 'path' key. Additional array values are
-   *     passed as the $options parameter to l().
-   *   If the 'destination' query parameter is set in the URL when viewing a
-   *   confirmation form, that value will be used instead of this path.
+   * @return array
+   *   An associative array with the following keys:
+   *   - route_name: The name of the route.
+   *   - route_parameters: (optional) An associative array of parameter names
+   *     and values.
+   *   - options: (optional) An associative array of additional options. See
+   *     \Drupal\Core\Routing\UrlGeneratorInterface::generateFromRoute() for
+   *     comprehensive documentation.
    */
-  public function getCancelPath();
+  public function getCancelRoute();
 
   /**
    * Returns additional text to display as a description.

core/modules/action/lib/Drupal/action/Form/ActionDeleteForm.php

@@ -31,8 +31,10 @@ public function getConfirmText() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/config/system/actions';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'action_admin',
+    );
   }
 
   /**

core/modules/aggregator/lib/Drupal/aggregator/Form/CategoryDeleteForm.php

@@ -85,8 +85,10 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/config/services/aggregator';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'aggregator_admin_overview',
+    );
   }
 
   /**

core/modules/aggregator/lib/Drupal/aggregator/Form/FeedDeleteForm.php

@@ -24,8 +24,10 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/config/services/aggregator';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'aggregator_admin_overview',
+    );
   }
 
   /**

core/modules/aggregator/lib/Drupal/aggregator/Form/FeedItemsRemoveForm.php

@@ -24,8 +24,10 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/config/services/aggregator';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'aggregator_admin_overview',
+    );
   }
 
   /**

core/modules/ban/lib/Drupal/ban/Form/BanDelete.php

@@ -67,8 +67,10 @@ public function getConfirmText() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/config/people/ban';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'ban_admin_page',
+    );
   }
 
   /**

core/modules/block/custom_block/lib/Drupal/custom_block/Form/CustomBlockDeleteForm.php

@@ -25,8 +25,10 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/structure/block';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'block_admin_display',
+    );
   }
 
   /**

core/modules/block/custom_block/lib/Drupal/custom_block/Form/CustomBlockTypeDeleteForm.php

@@ -52,8 +52,10 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/structure/block/custom-blocks/types';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'custom_block_type_list',
+    );
   }
 
   /**

core/modules/block/lib/Drupal/block/Form/BlockDeleteForm.php

@@ -24,8 +24,10 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/structure/block';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'block_admin_display',
+    );
   }
 
   /**

core/modules/comment/lib/Drupal/comment/Form/ConfirmDeleteMultiple.php

@@ -70,8 +70,7 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/content/comment';
+  public function getCancelRoute() {
   }
 
   /**
@@ -112,7 +111,11 @@ public function buildForm(array $form, array &$form_state, Request $request = NU
       $form_state['redirect'] = 'admin/content/comment';
     }
 
-    return parent::buildForm($form, $form_state, $request);
+    $form = parent::buildForm($form, $form_state);
+
+    // @todo Convert to getCancelRoute() after http://drupal.org/node/1986606.
+    $form['actions']['cancel']['#href'] = 'admin/content/comment';
+    return $form;
   }
 
   /**

core/modules/comment/lib/Drupal/comment/Form/DeleteForm.php

@@ -26,8 +26,19 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'node/' . $this->entity->nid->target_id;
+  protected function actions(array $form, array &$form_state) {
+    $actions = parent::actions($form, $form_state);
+
+    // @todo Convert to getCancelRoute() after http://drupal.org/node/1987778.
+    $actions['cancel']['#href'] = 'node/' . $this->entity->nid->target_id;
+
+    return $actions;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelRoute() {
   }
 
   /**

core/modules/config/tests/config_test/lib/Drupal/config_test/Form/ConfigTestDeleteForm.php

@@ -31,8 +31,10 @@ public function getConfirmText() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/structure/config_test';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'config_test_list_page',
+    );
   }
 
   /**

core/modules/contact/lib/Drupal/contact/Form/CategoryDeleteForm.php

@@ -24,8 +24,10 @@ public function getQuestion() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return 'admin/structure/contact';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'contact_category_list',
+    );
   }
 
   /**

core/modules/content_translation/lib/Drupal/content_translation/Form/TranslatableForm.php

@@ -66,8 +66,10 @@ public function getDescription() {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    return '';
+  public function getCancelRoute() {
+    return array(
+      'route_name' => '<front>',
+    );
   }
 
   /**

core/modules/entity/lib/Drupal/entity/Form/EntityDisplayModeDeleteForm.php

@@ -17,9 +17,10 @@ class EntityDisplayModeDeleteForm extends EntityConfirmFormBase {
   /**
    * {@inheritdoc}
    */
-  public function getCancelPath() {
-    $short_type = str_replace('_mode', '', $this->entity->entityType());
-    return "admin/structure/display-modes/$short_type";
+  public function getCancelRoute() {
+    return array(
+      'route_name' => 'entity_' . $this->entity->entityType() . '.list',
+    );
   }
 
   /**