GeofieldLatLonWidget.php in Geofield 8

Namespace

Drupal\geofield\Plugin\Field\FieldWidget

File

src/Plugin/Field/FieldWidget/GeofieldLatLonWidget.php

<?php

namespace Drupal\geofield\Plugin\Field\FieldWidget;

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

/**
 * Plugin implementation of the 'geofield_latlon' widget.
 *
 * @FieldWidget(
 *   id = "geofield_latlon",
 *   label = @Translation("Latitude/Longitude"),
 *   field_types = {
 *     "geofield"
 *   }
 * )
 */
class GeofieldLatLonWidget extends GeofieldBaseWidget {

  /**
   * Lat Lon widget components.
   *
   * @var array
   */
  public $components = [
    'lon',
    'lat',
  ];

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'html5_geolocation' => FALSE,
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $elements = parent::settingsForm($form, $form_state);
    $elements['html5_geolocation'] = [
      '#type' => 'checkbox',
      '#title' => 'Use HTML5 Geolocation to set default values',
      '#default_value' => $this
        ->getSetting('html5_geolocation'),
    ];
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    return [
      $this
        ->t('HTML5 Geolocation button is @state', [
        '@state' => $this
          ->getSetting('html5_geolocation') ? $this
          ->t('enabled') : $this
          ->t('disabled'),
      ]),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $latlon_value = [];
    foreach ($this->components as $component) {
      $latlon_value[$component] = isset($items[$delta]->{$component}) ? floatval($items[$delta]->{$component}) : '';
    }
    $element += [
      '#type' => 'geofield_latlon',
      '#default_value' => $latlon_value,
      '#geolocation' => $this
        ->getSetting('html5_geolocation'),
      '#error_label' => !empty($element['#title']) ? $element['#title'] : $this->fieldDefinition
        ->getLabel(),
    ];
    return [
      'value' => $element,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
    foreach ($values as $delta => $value) {
      foreach ($this->components as $component) {
        if (empty($value['value'][$component]) || !is_numeric($value['value'][$component])) {
          $values[$delta]['value'] = '';
          continue 2;
        }
      }
      $components = $value['value'];
      $values[$delta]['value'] = $this
        ->geofieldBackendValue($this->wktGenerator
        ->wktBuildPoint([
        trim($components['lon']),
        trim($components['lat']),
      ]));
    }
    return $values;
  }

}

Classes

Name	Description
GeofieldLatLonWidget	Plugin implementation of the 'geofield_latlon' widget.