GeofieldDefaultWidget.php in Geofield 8

Namespace

Drupal\geofield\Plugin\Field\FieldWidget

File

src/Plugin/Field/FieldWidget/GeofieldDefaultWidget.php

<?php

namespace Drupal\geofield\Plugin\Field\FieldWidget;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;

/**
 * Widget implementation of the 'geofield_default' widget.
 *
 * @FieldWidget(
 *   id = "geofield_default",
 *   label = @Translation("Geofield (WKT)"),
 *   field_types = {
 *     "geofield"
 *   }
 * )
 */
class GeofieldDefaultWidget extends GeofieldBaseWidget {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'geometry_validation' => FALSE,
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $elements = parent::settingsForm($form, $form_state);
    $elements['geometry_validation'] = [
      '#type' => 'checkbox',
      '#title' => 'Enable Geometry Validation',
      '#default_value' => $this
        ->getSetting('geometry_validation'),
      '#description' => $this
        ->t('Enable input Geometry validation, in WKT or Geojson format. If not checked invalid Geometries will be set as NULL.'),
    ];
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    return [
      $this
        ->t('Geometry Validation: @state', [
        '@state' => $this
          ->getSetting('geometry_validation') ? $this
          ->t('enabled') : $this
          ->t('disabled'),
      ]),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $element += [
      '#type' => 'textarea',
      '#default_value' => $items[$delta]->value ?: NULL,
    ];
    if ($this
      ->getSetting('geometry_validation')) {
      $element['#description'] = $this
        ->t('Geometry Validation enabled (valid WKT or Geojson format & values required)');
      $element['#element_validate'] = [
        [
          get_class($this),
          'validateGeofieldGeometryText',
        ],
      ];
    }
    else {
      $element['#description'] = $this
        ->t('Geometry Validation disabled (invalid WKT or Geojson format & values will be set as NULL)');
    }
    return [
      'value' => $element,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
    foreach ($values as $delta => $value) {
      $values[$delta]['value'] = $this
        ->geofieldBackendValue($value['value']);
    }
    return $values;
  }

  /**
   * {@inheritdoc}
   */
  public static function validateGeofieldGeometryText(array $element, FormStateInterface &$form_state) {
    if (!empty($element['#value']) && is_null(\Drupal::service('geofield.geophp')
      ->load($element['#value']))) {
      $form_state
        ->setError($element, t('The @value is not a valid geospatial content.', [
        '@value' => $element['#value'],
      ]));
    }
  }

}

Classes

Name	Description
GeofieldDefaultWidget	Widget implementation of the 'geofield_default' widget.