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OpenlayersPluginFormBase.php in Openlayers 8.4

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src/Form/OpenlayersPluginFormBase.php
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<?php

namespace Drupal\openlayers\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Form\SubformState;
use Drupal\Component\Plugin\Exception\PluginNotFoundException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Drupal\Core\Cache\Cache;
use Drupal\openlayers\OpenlayersConfigurablePluginInterface;
use Drupal\openlayers\OpenlayersMapInterface;

/**
 * Provides a base form for the settings for Openlayers plugins.
 */
abstract class OpenlayersPluginFormBase extends FormBase {

  /**
   * The Openlayers map.
   *
   * @var \Drupal\image\OpenlayersMapInterface
   */
  protected $olMap;

  /**
   * The openlayers plugin.
   *
   * @var \Drupal\openlayers\OpenlayersPluginInterface.
   */
  protected $olPlugin;

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'openlayers_plugin_form';
  }

  /**
   * {@inheritdoc}
   *
   * @param \Drupal\image\ImageStyleInterface $image_style
   *   The openlayers map.
   * @param string $image_effect
   *   The openlayers plugin ID.
   *
   * @return array
   *   The form structure.
   *
   * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
   */
  public function buildForm(array $form, FormStateInterface $form_state, OpenlayersMapInterface $map = NULL, $plugin_type = NULL, $plugin = NULL) {
    $this->olMap = $map;
    try {
      $this->olPlugin = $this
        ->preparePlugin($plugin_type, $plugin);
    } catch (PluginNotFoundException $e) {
      throw new NotFoundHttpException("Invalid plugin id: '{$plugin}'.");
    }
    $definition = $this->olPlugin
      ->getPluginDefinition();
    $request = $this
      ->getRequest();
    if (!$this->olPlugin instanceof OpenlayersConfigurablePluginInterface) {
      throw new NotFoundHttpException();
    }
    $form['#attached']['library'][] = 'image/admin';

    //  TODO
    $form['uuid'] = [
      '#type' => 'value',
      '#value' => $this->olPlugin
        ->getUuid(),
    ];
    $form['id'] = [
      '#type' => 'value',
      '#value' => $this->olPlugin
        ->getPluginId(),
    ];
    $form['data'] = [];
    $subform_state = SubformState::createForSubform($form['data'], $form, $form_state);
    $form['data'] = $this->olPlugin
      ->buildConfigurationForm($form['data'], $subform_state);
    $form['data']['#tree'] = TRUE;

    // Check the URL for a weight, then the image effect, otherwise use default.
    $form['weight'] = [
      '#type' => 'hidden',
      '#value' => isset($this->olPlugin->ol_id) ? $this->olPlugin->ol_id : $this->olPlugin
        ->getWeight(),
    ];

    // Check the URL for a weight, then the image effect, otherwise use default.
    $form['ol_id'] = [
      '#type' => 'hidden',
      '#value' => isset($definition['ol_id']) ? $definition['ol_id'] : '???',
    ];
    $form['actions'] = [
      '#type' => 'actions',
    ];
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#button_type' => 'primary',
    ];
    $form['actions']['cancel'] = [
      '#type' => 'link',
      '#title' => $this
        ->t('Cancel'),
      '#url' => $this->olMap
        ->toUrl('edit-form'),
      '#attributes' => [
        'class' => [
          'button',
        ],
      ],
    ];
    return $form;
  }

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

    // The image effect configuration is stored in the 'data' key in the form,
    // pass that through for validation.
    $this->olPlugin
      ->validateConfigurationForm($form['data'], SubformState::createForSubform($form['data'], $form, $form_state));
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $form_state
      ->cleanValues();

    // The plugin configuration is stored in the 'data' key in the form, which is then passed through for submission.
    $this->olPlugin
      ->submitConfigurationForm($form['data'], SubformState::createForSubform($form['data'], $form, $form_state));
    $this->olPlugin
      ->setWeight($form_state
      ->getValue('weight'));
    if (!$this->olPlugin
      ->getUuid()) {
      $definition = $this->olPlugin
        ->getPluginDefinition();
      $configuration = $this->olPlugin
        ->getConfiguration();
      $configuration['ol_id'] = $form_state
        ->getValue('ol_id');
      $plugin_type = $definition['type'];
      $this->olMap
        ->{'addMap' . ucwords($plugin_type)}($configuration);
    }
    $this->olMap
      ->save();

    //  $node->getCacheTags()
    Cache::invalidateTags([
      'config:openlayers.map.ol_map2',
    ]);
    $this
      ->messenger()
      ->addStatus($this
      ->t('The Settings for the plugin were successfully saved.'));
    $form_state
      ->setRedirectUrl($this->olMap
      ->toUrl('edit-form'));
  }

  /**
   * Converts an image effect ID into an object.
   *
   * @param string $image_effect
   *   The image effect ID.
   *
   * @return \Drupal\image\ImageEffectInterface
   *   The image effect object.
   */
  protected abstract function preparePlugin($plugin_type, $plugin);

}

Classes

Namesort descending Description
OpenlayersPluginFormBase Provides a base form for the settings for Openlayers plugins.