PageVariantConfigureForm.php in Page Manager 8.4

Namespace

Drupal\page_manager_ui\Form

File

page_manager_ui/src/Form/PageVariantConfigureForm.php

<?php

namespace Drupal\page_manager_ui\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormState;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
class PageVariantConfigureForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {

    // @todo this should vary by step/variant plugin id.
    return 'page_manage_variant_configure_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $cached_values = $form_state
      ->getTemporaryValue('wizard');

    /** @var \Drupal\page_manager\PageInterface $page */
    $page = $cached_values['page'];

    /** @var \Drupal\page_manager\PageVariantInterface $page_variant */
    $page_variant = $cached_values['page_variant'];
    $form['page_variant_label'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Label'),
      '#required' => TRUE,
      '#size' => 32,
      '#maxlength' => 255,
      '#default_value' => $page_variant
        ->label(),
    ];
    $variant_plugin = $page_variant
      ->getVariantPlugin();
    $form['variant_settings'] = $variant_plugin
      ->buildConfigurationForm([], (new FormState())
      ->setValues($form_state
      ->getValue('variant_settings', []) + [
      'page_variant' => $page_variant,
    ]));
    $form['variant_settings']['#tree'] = TRUE;
    if (!$page
      ->isNew()) {
      $form['delete'] = [
        '#type' => 'link',
        '#title' => $this
          ->t('Delete this variant'),
        '#attributes' => [
          'class' => [
            'button',
            'use-ajax',
          ],
          'data-dialog-type' => 'modal',
        ],
        '#url' => new Url('entity.page_variant.delete_form', [
          'machine_name' => $page
            ->id(),
          'variant_machine_name' => $page_variant
            ->id(),
        ]),
      ];
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $cached_values = $form_state
      ->getTemporaryValue('wizard');

    /** @var $page_variant \Drupal\page_manager\Entity\PageVariant */
    $page_variant = $cached_values['page_variant'];
    $variant_plugin = $page_variant
      ->getVariantPlugin();
    $variant_plugin
      ->validateConfigurationForm($form['variant_settings'], (new FormState())
      ->setValues($form_state
      ->getValue('variant_settings', [])));
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $cached_values = $form_state
      ->getTemporaryValue('wizard');

    /** @var $page \Drupal\page_manager\Entity\Page */
    $page = $cached_values['page'];

    /** @var $page_variant \Drupal\page_manager\Entity\PageVariant */
    $page_variant = $cached_values['page_variant'];
    $variant_plugin = $page_variant
      ->getVariantPlugin();
    $variant_plugin
      ->submitConfigurationForm($form['variant_settings'], (new FormState())
      ->setValues($form_state
      ->getValue('variant_settings', [])));
    $configuration = $variant_plugin
      ->getConfiguration();
    $page_variant
      ->set('variant_settings', $configuration);
    $page_variant
      ->set('label', $form_state
      ->getValue('page_variant_label'));
  }

}

Classes

Name	Description
PageVariantConfigureForm