www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/workflows/src/Form/WorkflowTransitionDeleteForm.php

   1 <?php
   2
   3 namespace Drupal\workflows\Form;
   4
   5 use Drupal\workflows\WorkflowInterface;
   6 use Drupal\Core\Form\ConfirmFormBase;
   7 use Drupal\Core\Form\FormStateInterface;
   8 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
   9
  10 /**
  11  * Builds the form to delete transitions from Workflow entities.
  12  *
  13  * @internal
  14  */
  15 class WorkflowTransitionDeleteForm extends ConfirmFormBase {
  16
  17   /**
  18    * The workflow entity the transition being deleted belongs to.
  19    *
  20    * @var \Drupal\workflows\WorkflowInterface
  21    */
  22   protected $workflow;
  23
  24   /**
  25    * The workflow transition being deleted.
  26    *
  27    * @var \Drupal\workflows\TransitionInterface
  28    */
  29   protected $transition;
  30
  31   /**
  32    * The transition being deleted.
  33    *
  34    * @var string
  35    */
  36   protected $transitionId;
  37
  38   /**
  39    * {@inheritdoc}
  40    */
  41   public function getFormId() {
  42     return 'workflow_transition_delete_form';
  43   }
  44
  45   /**
  46    * {@inheritdoc}
  47    */
  48   public function getQuestion() {
  49     return $this->t('Are you sure you want to delete %transition from %workflow?', ['%transition' => $this->transition->label(), '%workflow' => $this->workflow->label()]);
  50   }
  51
  52   /**
  53    * {@inheritdoc}
  54    */
  55   public function getCancelUrl() {
  56     return $this->workflow->toUrl();
  57   }
  58
  59   /**
  60    * {@inheritdoc}
  61    */
  62   public function getConfirmText() {
  63     return $this->t('Delete');
  64   }
  65
  66   /**
  67    * Form constructor.
  68    *
  69    * @param array $form
  70    *   An associative array containing the structure of the form.
  71    * @param \Drupal\Core\Form\FormStateInterface $form_state
  72    *   The current state of the form.
  73    * @param \Drupal\workflows\WorkflowInterface $workflow
  74    *   The workflow entity being edited.
  75    * @param string|null $workflow_transition
  76    *   The workflow transition being deleted.
  77    *
  78    * @return array
  79    *   The form structure.
  80    */
  81   public function buildForm(array $form, FormStateInterface $form_state, WorkflowInterface $workflow = NULL, $workflow_transition = NULL) {
  82     try {
  83       $this->transition = $workflow->getTypePlugin()->getTransition($workflow_transition);
  84     }
  85     catch (\InvalidArgumentException $e) {
  86       throw new NotFoundHttpException();
  87     }
  88     $this->workflow = $workflow;
  89     return parent::buildForm($form, $form_state);
  90   }
  91
  92   /**
  93    * {@inheritdoc}
  94    */
  95   public function submitForm(array &$form, FormStateInterface $form_state) {
  96     $this->workflow
  97       ->getTypePlugin()
  98       ->deleteTransition($this->transition->id());
  99     $this->workflow->save();
 100
 101     $this->messenger()->addStatus($this->t('%transition transition deleted.', ['%transition' => $this->transition->label()]));
 102     $form_state->setRedirectUrl($this->getCancelUrl());
 103   }
 104
 105 }