diff core/modules/user/src/Plugin/Condition/UserRole.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/user/src/Plugin/Condition/UserRole.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,96 @@
+<?php
+
+namespace Drupal\user\Plugin\Condition;
+
+use Drupal\Core\Condition\ConditionPluginBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Provides a 'User Role' condition.
+ *
+ * @Condition(
+ *   id = "user_role",
+ *   label = @Translation("User Role"),
+ *   context = {
+ *     "user" = @ContextDefinition("entity:user", label = @Translation("User"))
+ *   }
+ * )
+ */
+class UserRole extends ConditionPluginBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    $form['roles'] = [
+      '#type' => 'checkboxes',
+      '#title' => $this->t('When the user has the following roles'),
+      '#default_value' => $this->configuration['roles'],
+      '#options' => array_map('\Drupal\Component\Utility\Html::escape', user_role_names()),
+      '#description' => $this->t('If you select no roles, the condition will evaluate to TRUE for all users.'),
+    ];
+    return parent::buildConfigurationForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function defaultConfiguration() {
+    return [
+      'roles' => [],
+    ] + parent::defaultConfiguration();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+    $this->configuration['roles'] = array_filter($form_state->getValue('roles'));
+    parent::submitConfigurationForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function summary() {
+    // Use the role labels. They will be sanitized below.
+    $roles = array_intersect_key(user_role_names(), $this->configuration['roles']);
+    if (count($roles) > 1) {
+      $roles = implode(', ', $roles);
+    }
+    else {
+      $roles = reset($roles);
+    }
+    if (!empty($this->configuration['negate'])) {
+      return $this->t('The user is not a member of @roles', ['@roles' => $roles]);
+    }
+    else {
+      return $this->t('The user is a member of @roles', ['@roles' => $roles]);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function evaluate() {
+    if (empty($this->configuration['roles']) && !$this->isNegated()) {
+      return TRUE;
+    }
+    $user = $this->getContextValue('user');
+    return (bool) array_intersect($this->configuration['roles'], $user->getRoles());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheContexts() {
+    // Optimize cache context, if a user cache context is provided, only use
+    // user.roles, since that's the only part this condition cares about.
+    $contexts = [];
+    foreach (parent::getCacheContexts() as $context) {
+      $contexts[] = $context == 'user' ? 'user.roles' : $context;
+    }
+    return $contexts;
+  }
+
+}