MessageDigestIntervalForm.php in Message Digest 8

Namespace

Drupal\message_digest\Form

File

src/Form/MessageDigestIntervalForm.php

<?php

namespace Drupal\message_digest\Form;

use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Form\FormStateInterface;

/**
 * Config form for message digest intervals.
 */
class MessageDigestIntervalForm extends EntityForm {

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $form = parent::form($form, $form_state);

    /** @var \Drupal\message_digest\Entity\MessageDigestIntervalInterface $interval */
    $interval = $this->entity;
    $form['label'] = [
      '#title' => $this
        ->t('Label'),
      '#type' => 'textfield',
      '#default_value' => $interval
        ->label(),
      '#description' => $this
        ->t('Label for this interval.'),
      '#required' => TRUE,
      '#size' => 30,
    ];
    $form['id'] = [
      '#type' => 'machine_name',
      '#title' => $this
        ->t('Machine name'),
      '#default_value' => $interval
        ->id(),
      '#disabled' => !$interval
        ->isNew(),
      '#machine_name' => [
        'exists' => [
          '\\Drupal\\message_digest\\Entity\\MessageDigestInterval',
          'load',
        ],
        'source' => [
          'label',
        ],
      ],
    ];
    $form['interval'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Interval'),
      '#required' => TRUE,
      '#default_value' => $interval
        ->getInterval(),
      '#description' => $this
        ->t('A <a href=":url">relative format</a>, such as <em>1 week</em> or <em>1 day</em>.', [
        ':url' => 'http://php.net/manual/en/datetime.formats.relative.php',
      ]),
    ];
    $form['description'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Description'),
      '#default_value' => $interval
        ->getDescription(),
    ];
    return $form;
  }

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

    // Verify interval is valid.
    try {

      // This will throw an exception if the submitted interval is invalid.
      new \DateTime($form_state
        ->getValue('interval'));
    } catch (\Exception $e) {
      $form_state
        ->setErrorByName('interval', $this
        ->t('The interval %interval is invalid. See <a href=":url">the relative time formats documentation</a> for more information.', [
        ':url' => 'http://php.net/manual/en/datetime.formats.relative.php',
        '%interval' => $form_state
          ->getValue('interval'),
      ]));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $placeholders = [
      '%label' => $this->entity
        ->label(),
      '@action' => $this->entity
        ->isNew() ? 'added' : 'updated',
    ];
    parent::save($form, $form_state);
    $this
      ->messenger()
      ->addMessage($this
      ->t('Interval %label has been @action.', $placeholders));
    $this
      ->logger('message_digest')
      ->notice('Message digest interval %label has been @action', $placeholders);

    // Redirect back to the collection page.
    $form_state
      ->setRedirect('entity.message_digest_interval.collection');
  }

}

Classes

Name	Description
MessageDigestIntervalForm	Config form for message digest intervals.