Version 1

[yaffs-website] / web / core / modules / book / src / Form / BookRemoveForm.php

diff --git a/web/core/modules/book/src/Form/BookRemoveForm.php b/web/core/modules/book/src/Form/BookRemoveForm.php
new file mode 100644 (file)
index 0000000..e31c094
--- /dev/null
+++ b/web/core/modules/book/src/Form/BookRemoveForm.php
@@ -0,0 +1,109 @@
+<?php
+
+namespace Drupal\book\Form;
+
+use Drupal\book\BookManagerInterface;
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\node\NodeInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Remove form for book module.
+ */
+class BookRemoveForm extends ConfirmFormBase {
+
+  /**
+   * The book manager.
+   *
+   * @var \Drupal\book\BookManagerInterface
+   */
+  protected $bookManager;
+
+  /**
+   * The node representing the book.
+   *
+   * @var \Drupal\node\NodeInterface
+   */
+  protected $node;
+
+  /**
+   * Constructs a BookRemoveForm object.
+   *
+   * @param \Drupal\book\BookManagerInterface $book_manager
+   *   The book manager.
+   */
+  public function __construct(BookManagerInterface $book_manager) {
+    $this->bookManager = $book_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('book.manager')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'book_remove_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, NodeInterface $node = NULL) {
+    $this->node = $node;
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDescription() {
+    $title = ['%title' => $this->node->label()];
+    if ($this->node->book['has_children']) {
+      return $this->t('%title has associated child pages, which will be relocated automatically to maintain their connection to the book. To recreate the hierarchy (as it was before removing this page), %title may be added again using the Outline tab, and each of its former child pages will need to be relocated manually.', $title);
+    }
+    else {
+      return $this->t('%title may be added to hierarchy again using the Outline tab.', $title);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getConfirmText() {
+    return $this->t('Remove');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->t('Are you sure you want to remove %title from the book hierarchy?', ['%title' => $this->node->label()]);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelUrl() {
+    return $this->node->urlInfo();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    if ($this->bookManager->checkNodeIsRemovable($this->node)) {
+      $this->bookManager->deleteFromBook($this->node->id());
+      drupal_set_message($this->t('The post has been removed from the book.'));
+    }
+    $form_state->setRedirectUrl($this->getCancelUrl());
+  }
+
+}