learnosity-1.0.x-dev/src/Form/LearnosityActivityPlayerForm.php

<?php

namespace Drupal\learnosity\Form;

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

/**
 * Class LearnosityActivityPlayerForm.
 *
 * The activity type form.
 *
 * @package Drupal\learnosity\Form
 */
class LearnosityActivityPlayerForm extends EntityForm {

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

    $learnosity_activity_player = $this->entity;
    $form['label'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Label'),
      '#maxlength' => 255,
      '#default_value' => $learnosity_activity_player->label(),
      '#description' => $this->t("The human-readable name of this activity type. This text will be displayed as part of the list on the Add activity page. This name must be unique."),
      '#required' => TRUE,
    ];

    $form['id'] = [
      '#type' => 'machine_name',
      '#default_value' => $learnosity_activity_player->id(),
      '#machine_name' => [
        'exists' => '\Drupal\learnosity\Entity\LearnosityActivityPlayer::load',
      ],
      '#disabled' => !$learnosity_activity_player->isNew(),
    ];

    $form['description'] = [
      '#type' => 'textarea',
      '#title' => $this->t('Description'),
      '#maxlength' => 255,
      '#default_value' => $learnosity_activity_player->getDescription(),
    ];

    $form['settings'] = [
      '#type' => 'vertical_tabs',
      '#title' => $this->t('Settings'),
    ];

    $form['advanced'] = [
      '#type' => 'details',
      '#title' => $this->t('Advanced'),
      '#open' => FALSE,
      '#group' => 'settings',
    ];

    $form['advanced']['config'] = [
      '#type' => 'textarea',
      '#title' => $this->t('Initialization Config'),
      '#default_value' => $learnosity_activity_player->getConfig(),
      '#rows' => 20,
      '#description' => $this->t('The Learnosity Items API initialization settings. Leave blank to use Learnosity defaults. For more details see <a href = ":url">:url</a>.', [
        ':url' => 'https://reference.learnosity.com/items-api/initialization',
      ]),
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    parent::validateForm($form, $form_state);
    // Make sure that the Yaml is valid.
    $config = $form_state->getValue('config');
    try {
      Yaml::decode($config);
    }
    catch (\Exception $exception) {
      $form_state->setError($form['advanced']['config'], $exception->getMessage());
    }

  }

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

    // Handle the mapping values.
    $status = $activity_type->save();

    switch ($status) {
      case SAVED_NEW:
        \Drupal::messenger()->addMessage($this->t('Created the %label Activity type.', [
          '%label' => $activity_type->label(),
        ]));
        break;

      default:
        \Drupal::messenger()->addMessage($this->t('Saved the %label Activity type.', [
          '%label' => $activity_type->label(),
        ]));
    }
    $form_state->setRedirectUrl($activity_type->toUrl('collection'));
  }

}