Version 1

[yaffs-website] / web / core / modules / workflows / src / Form / WorkflowTransitionDeleteForm.php

diff --git a/web/core/modules/workflows/src/Form/WorkflowTransitionDeleteForm.php b/web/core/modules/workflows/src/Form/WorkflowTransitionDeleteForm.php
new file mode 100644 (file)
index 0000000..abcb41e
--- /dev/null
+++ b/web/core/modules/workflows/src/Form/WorkflowTransitionDeleteForm.php
@@ -0,0 +1,102 @@
+<?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 transitions from Workflow entities.
+ */
+class WorkflowTransitionDeleteForm extends ConfirmFormBase {
+
+  /**
+   * The workflow entity the transition being deleted belongs to.
+   *
+   * @var \Drupal\workflows\WorkflowInterface
+   */
+  protected $workflow;
+
+  /**
+   * The workflow transition being deleted.
+   *
+   * @var \Drupal\workflows\TransitionInterface
+   */
+  protected $transition;
+
+  /**
+   * The transition being deleted.
+   *
+   * @var string
+   */
+  protected $transitionId;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'workflow_transition_delete_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->t('Are you sure you want to delete %transition from %workflow?', ['%transition' => $this->transition->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_transition
+   *   The workflow transition being deleted.
+   *
+   * @return array
+   *   The form structure.
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, WorkflowInterface $workflow = NULL, $workflow_transition = NULL) {
+    try {
+      $this->transition = $workflow->getTransition($workflow_transition);
+    }
+    catch (\InvalidArgumentException $e) {
+      throw new NotFoundHttpException();
+    }
+    $this->workflow = $workflow;
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $this->workflow
+      ->deleteTransition($this->transition->id())
+      ->save();
+
+    drupal_set_message($this->t('%transition transition deleted.', ['%transition' => $this->transition->label()]));
+    $form_state->setRedirectUrl($this->getCancelUrl());
+  }
+
+}