--- /dev/null
+<?php
+
+namespace Drupal\ctools\Form;
+
+
+use Drupal\Component\Plugin\PluginManagerInterface;
+use Drupal\Component\Uuid\Uuid;
+use Drupal\Core\Ajax\AjaxResponse;
+use Drupal\Core\Ajax\CloseModalDialogCommand;
+use Drupal\Core\Ajax\RedirectCommand;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\ContextAwarePluginInterface;
+use Drupal\ctools\ConstraintConditionInterface;
+use Drupal\user\SharedTempStoreFactory;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Base class for condition configur operations.
+ */
+abstract class ConditionConfigure extends FormBase {
+
+ /**
+ * @var \Drupal\user\SharedTempStoreFactory
+ */
+ protected $tempstore;
+
+ /**
+ * @var \Drupal\Core\Condition\ConditionManager
+ */
+ protected $manager;
+
+ /**
+ * @var string
+ */
+ protected $tempstore_id;
+
+ /**
+ * @var string;
+ */
+ protected $machine_name;
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container) {
+ return new static($container->get('user.shared_tempstore'), $container->get('plugin.manager.condition'));
+ }
+
+ function __construct(SharedTempStoreFactory $tempstore, PluginManagerInterface $manager) {
+ $this->tempstore = $tempstore;
+ $this->manager = $manager;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'ctools_condition_configure';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state, $condition = NULL, $tempstore_id = NULL, $machine_name = NULL) {
+ $this->tempstore_id = $tempstore_id;
+ $this->machine_name = $machine_name;
+ $cached_values = $this->tempstore->get($this->tempstore_id)->get($this->machine_name);
+ if (is_numeric($condition) || Uuid::isValid($condition)) {
+ $id = $condition;
+ $condition = $this->getConditions($cached_values)[$id];
+ $instance = $this->manager->createInstance($condition['id'], $condition);
+ }
+ else {
+ $instance = $this->manager->createInstance($condition, []);
+ }
+ $form_state->setTemporaryValue('gathered_contexts', $this->getContexts($cached_values));
+ /** @var $instance \Drupal\Core\Condition\ConditionInterface */
+ $form = $instance->buildConfigurationForm($form, $form_state);
+ if (isset($id)) {
+ // Conditionally set this form element so that we can update or add.
+ $form['id'] = [
+ '#type' => 'value',
+ '#value' => $id
+ ];
+ }
+ $form['instance'] = [
+ '#type' => 'value',
+ '#value' => $instance
+ ];
+ $form['submit'] = [
+ '#type' => 'submit',
+ '#value' => $this->t('Save'),
+ '#ajax' => [
+ 'callback' => [$this, 'ajaxSave'],
+ ]
+ ];
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $cached_values = $this->tempstore->get($this->tempstore_id)->get($this->machine_name);
+ /** @var $instance \Drupal\Core\Condition\ConditionInterface */
+ $instance = $form_state->getValue('instance');
+ $instance->submitConfigurationForm($form, $form_state);
+ $conditions = $this->getConditions($cached_values);
+ if ($instance instanceof ContextAwarePluginInterface) {
+ /** @var $instance \Drupal\Core\Plugin\ContextAwarePluginInterface */
+ $context_mapping = $form_state->hasValue('context_mapping')? $form_state->getValue('context_mapping') : [];
+ $instance->setContextMapping($context_mapping);
+ }
+ if ($instance instanceof ConstraintConditionInterface) {
+ /** @var $instance \Drupal\ctools\ConstraintConditionInterface */
+ $instance->applyConstraints($this->getContexts($cached_values));
+ }
+ if ($form_state->hasValue('id')) {
+ $conditions[$form_state->getValue('id')] = $instance->getConfiguration();
+ }
+ else {
+ $conditions[] = $instance->getConfiguration();
+ }
+ $cached_values = $this->setConditions($cached_values, $conditions);
+ $this->tempstore->get($this->tempstore_id)->set($this->machine_name, $cached_values);
+ list($route_name, $route_parameters) = $this->getParentRouteInfo($cached_values);
+ $form_state->setRedirect($route_name, $route_parameters);
+ }
+
+ public function ajaxSave(array &$form, FormStateInterface $form_state) {
+ $response = new AjaxResponse();
+ $cached_values = $this->tempstore->get($this->tempstore_id)->get($this->machine_name);
+ list($route_name, $route_parameters) = $this->getParentRouteInfo($cached_values);
+ $response->addCommand(new RedirectCommand($this->url($route_name, $route_parameters)));
+ $response->addCommand(new CloseModalDialogCommand());
+ return $response;
+ }
+
+ /**
+ * Document the route name and parameters for redirect after submission.
+ *
+ * @param $cached_values
+ *
+ * @return array
+ * In the format of
+ * return ['route.name', ['machine_name' => $this->machine_name, 'step' => 'step_name']];
+ */
+ abstract protected function getParentRouteInfo($cached_values);
+
+ /**
+ * Custom logic for retrieving the conditions array from cached_values.
+ *
+ * @param $cached_values
+ *
+ * @return array
+ */
+ abstract protected function getConditions($cached_values);
+
+ /**
+ * Custom logic for setting the conditions array in cached_values.
+ *
+ * @param $cached_values
+ *
+ * @param $conditions
+ * The conditions to set within the cached values.
+ *
+ * @return mixed
+ * Return the $cached_values
+ */
+ abstract protected function setConditions($cached_values, $conditions);
+
+ /**
+ * Custom logic for retrieving the contexts array from cached_values.
+ *
+ * @param $cached_values
+ *
+ * @return \Drupal\Core\Plugin\Context\ContextInterface[]
+ */
+ abstract protected function getContexts($cached_values);
+
+}