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<?php
namespace Drupal\workflows\Form;
use Drupal\workflows\WorkflowInterface;
use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
/**
* Builds the form to delete states from Workflow entities.
*
* @internal
*/
class WorkflowStateDeleteForm extends ConfirmFormBase {
/**
* The workflow entity the state being deleted belongs to.
*
* @var \Drupal\workflows\WorkflowInterface
*/
protected $workflow;
/**
* The state being deleted.
*
* @var string
*/
protected $stateId;
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'workflow_state_delete_form';
}
/**
* {@inheritdoc}
*/
public function getQuestion() {
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return $this->t('Are you sure you want to delete %state from %workflow?', ['%state' => $this->workflow->getTypePlugin()->getState($this->stateId)->label(), '%workflow' => $this->workflow->label()]);
}
/**
* {@inheritdoc}
*/
public function getCancelUrl() {
return $this->workflow->toUrl();
}
/**
* {@inheritdoc}
*/
public function getConfirmText() {
return $this->t('Delete');
}
/**
* Form constructor.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
* @param \Drupal\workflows\WorkflowInterface $workflow
* The workflow entity being edited.
* @param string|null $workflow_state
* The workflow state being deleted.
*
* @return array
* The form structure.
*/
public function buildForm(array $form, FormStateInterface $form_state, WorkflowInterface $workflow = NULL, $workflow_state = NULL) {
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if (!$workflow->getTypePlugin()->hasState($workflow_state)) {
throw new NotFoundHttpException();
}
$this->workflow = $workflow;
$this->stateId = $workflow_state;
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if ($this->workflow->getTypePlugin()->workflowStateHasData($this->workflow, $this->workflow->getTypePlugin()->getState($this->stateId))) {
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$form['#title'] = $this->getQuestion();
$form['description'] = ['#markup' => $this->t('This workflow state is in use. You cannot remove this workflow state until you have removed all content using it.')];
return $form;
}
return parent::buildForm($form, $form_state);
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
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$workflow_label = $this->workflow->getTypePlugin()->getState($this->stateId)->label();
$this->workflow
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->getTypePlugin()
->deleteState($this->stateId);
$this->workflow->save();
$this->messenger()->addStatus($this->t(