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<?php
namespace Drupal\ctools\Form;
use Drupal\Component\Plugin\PluginManagerInterface;
use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\ConfirmFormHelper;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\ctools\ConstraintConditionInterface;
use Drupal\Core\TempStore\SharedTempStoreFactory;
use Symfony\Component\DependencyInjection\ContainerInterface;
abstract class ConditionDelete extends ConfirmFormBase {
protected $tempstore;
protected $manager;
protected $tempstore_id;
protected $machine_name;
protected $id;
public static function create(ContainerInterface $container) {
return new static($container
->get('tempstore.shared'), $container
->get('plugin.manager.condition'));
}
public function __construct(SharedTempStoreFactory $tempstore, PluginManagerInterface $manager) {
$this->tempstore = $tempstore;
$this->manager = $manager;
}
public function getFormId() {
return 'ctools_condition_delete';
}
public function buildForm(array $form, FormStateInterface $form_state, $id = NULL, $tempstore_id = NULL, $machine_name = NULL) {
$this->tempstore_id = $tempstore_id;
$this->machine_name = $machine_name;
$this->id = $id;
$cached_values = $this->tempstore
->get($this->tempstore_id)
->get($this->machine_name);
$form['#title'] = $this
->getQuestion($id, $cached_values);
$form['#attributes']['class'][] = 'confirmation';
$form['description'] = [
'#markup' => $this
->getDescription(),
];
$form[$this
->getFormName()] = [
'#type' => 'hidden',
'#value' => 1,
];
if (!isset($form['#theme'])) {
$form['#theme'] = 'confirm_form';
}
$form['actions'] = [
'#type' => 'actions',
];
$form['actions'] += $this
->actions($form, $form_state);
return $form;
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$cached_values = $this->tempstore
->get($this->tempstore_id)
->get($this->machine_name);
$conditions = $this
->getConditions($cached_values);
$instance = $this->manager
->createInstance($conditions[$this->id]['id'], $conditions[$this->id]);
if ($instance instanceof ConstraintConditionInterface) {
$instance
->removeConstraints($this
->getContexts($cached_values));
}
unset($conditions[$this->id]);
$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, $route_parameters);
}
public function getQuestion($id = NULL, $cached_values = NULL) {
$condition = $this
->getConditions($cached_values)[$id];
return $this
->t('Are you sure you want to delete the @label condition?', [
'@label' => $condition['id'],
]);
}
public function getDescription() {
return $this
->t('This action cannot be undone.');
}
public function getFormName() {
return 'confirm';
}
protected function actions(array $form, FormStateInterface $form_state) {
return [
'submit' => [
'#type' => 'submit',
'#value' => $this
->getConfirmText(),
'#validate' => [
[
$this,
'validateForm',
],
],
'#submit' => [
[
$this,
'submitForm',
],
],
],
'cancel' => ConfirmFormHelper::buildCancelLink($this, $this
->getRequest()),
];
}
public function getCancelUrl() {
$cached_values = $this->tempstore
->get($this->tempstore_id)
->get($this->machine_name);
list($route_name, $route_parameters) = $this
->getParentRouteInfo($cached_values);
return new Url($route_name, $route_parameters);
}
public function getConfirmText() {
return $this
->t('Delete');
}
public function getCancelText() {
return $this
->t('Cancel');
}
protected abstract function getParentRouteInfo($cached_values);
protected abstract function getConditions($cached_values);
protected abstract function setConditions($cached_values, $conditions);
protected abstract function getContexts($cached_values);
}