FlaggingCollectionForm.php in Flag Lists 8

Namespace

Drupal\flag_lists\Form

File

src/Form/FlaggingCollectionForm.php

<?php

namespace Drupal\flag_lists\Form;

use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\EntityFormInterface;

/**
 * Form controller for Flagging collection edit forms.
 *
 * @ingroup flag_lists
 */
class FlaggingCollectionForm extends ContentEntityForm {

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {

    /* @var $entity \Drupal\flag_lists\Entity\FlaggingCollection */
    $form = parent::buildForm($form, $form_state);
    $flaglistService = \Drupal::service('flaglists');
    $account = \Drupal::currentUser();
    $entity = $this->entity;
    $existing_flaglists = $flaglistService
      ->getAllFlagForList(NULL, NULL);
    $options = [];
    foreach ($existing_flaglists as $flaglist) {
      if ($flaglist
        ->hasBaseFlag()) {
        $options[$flaglist
          ->get('id')] = $flaglist
          ->label();
      }
    }
    $current_value = empty($entity
      ->getBaseFlag()) ? FALSE : $entity
      ->getBaseFlag()
      ->id();
    $form['templateflag'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Template flag'),
      '#required' => TRUE,
      '#options' => $options,
      '#default_value' => $current_value,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $entity =& $this->entity;

    // Save as a new revision if requested to do so.
    if (!$form_state
      ->isValueEmpty('new_revision') && $form_state
      ->getValue('new_revision') != FALSE) {
      $entity
        ->setNewRevision();

      // If a new revision is created, save the current user as revision author.
      $entity
        ->setRevisionCreationTime(REQUEST_TIME);
      $entity
        ->setRevisionUserId(\Drupal::currentUser()
        ->id());
    }
    else {
      $entity
        ->setNewRevision(FALSE);
    }
    $status = parent::save($form, $form_state);
    switch ($status) {
      case SAVED_NEW:
        $this
          ->messenger()
          ->addMessage($this
          ->t('Created the %label Flagging collection.', [
          '%label' => $entity
            ->label(),
        ]));
        break;
      default:
        $this
          ->messenger()
          ->addMessage($this
          ->t('Saved the %label Flagging collection.', [
          '%label' => $entity
            ->label(),
        ]));
    }
    $form_state
      ->setRedirect('entity.flagging_collection.canonical', [
      'flagging_collection' => $entity
        ->id(),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {

    // Check that the name isn't empty.
    if (strlen($form_state
      ->getValue('name')[0]['value']) == 0) {
      $form_state
        ->setErrorByName('name', $this
        ->t('Please provide a name.'));
    }

    // Check if this is a new instance or if we are editing an existing.
    if ($form_state
      ->getFormObject() instanceof EntityFormInterface) {
      $entity_new = $form_state
        ->getFormObject()
        ->getEntity()
        ->isNew();
    }

    // Verify that the name is not longer than 32 charaters.
    if (strlen($form_state
      ->getValue('name')[0]['value']) > 32) {
      $form_state
        ->setErrorByName('name', $this
        ->t('Please provide a name that is maximum 32 characters long.'));
    }

    // Verify that the Flag doesn't already exist as that would
    // cause problem.
    $flagService = \Drupal::service('flag');

    // Create the machineId.
    $machineId = strtolower($form_state
      ->getValue('name')[0]['value']);
    $machineId = preg_replace("/[^a-z0-9_]/", "_", $machineId);
    $exists = $flagService
      ->getFlagById($machineId);

    // Check if this is a new instance.
    if (!empty($exists) && $entity_new) {
      $form_state
        ->setErrorByName('name', $this
        ->t('The Name is already in use. Please provide a unique name.'));
    }
    parent::validateForm($form, $form_state);
  }

}

Classes

Name	Description
FlaggingCollectionForm	Form controller for Flagging collection edit forms.