GeolocationMapWidgetBase.php in Geolocation Field 8.3

Namespace

Drupal\geolocation\Plugin\Field\FieldWidget

File

src/Plugin/Field/FieldWidget/GeolocationMapWidgetBase.php

<?php

namespace Drupal\geolocation\Plugin\Field\FieldWidget;

use Drupal\geolocation\MapCenterManager;
use Symfony\Component\Validator\ConstraintViolationListInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Component\Utility\Html;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\WidgetBase;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Render\BubbleableMetadata;

/**
 * Map widget base.
 */
abstract class GeolocationMapWidgetBase extends WidgetBase implements ContainerFactoryPluginInterface {

  /**
   * The entity field manager.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $entityFieldManager;

  /**
   * Map Provider ID.
   *
   * @var string
   */
  protected static $mapProviderId = FALSE;

  /**
   * Map Provider Settings Form ID.
   *
   * @var string
   */
  protected static $mapProviderSettingsFormId = 'map_settings';

  /**
   * Map Provider.
   *
   * @var \Drupal\geolocation\MapProviderInterface
   */
  protected $mapProvider = NULL;

  /**
   * Map center manager.
   *
   * @var \Drupal\geolocation\MapCenterManager
   */
  protected $mapCenterManager = NULL;

  /**
   * Constructs a WidgetBase object.
   *
   * @param string $plugin_id
   *   The plugin_id for the widget.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
   *   The definition of the field to which the widget is associated.
   * @param array $settings
   *   The widget settings.
   * @param array $third_party_settings
   *   Any third party settings.
   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
   *   The entity field manager.
   * @param \Drupal\geolocation\MapCenterManager $map_center_manager
   *   Map center manager.
   */
  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, array $third_party_settings, EntityFieldManagerInterface $entity_field_manager, MapCenterManager $map_center_manager) {
    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $third_party_settings);
    $this->entityFieldManager = $entity_field_manager;
    $this->mapCenterManager = $map_center_manager;
    if (!empty(static::$mapProviderId)) {
      $this->mapProvider = \Drupal::service('plugin.manager.geolocation.mapprovider')
        ->getMapProvider(static::$mapProviderId);
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['third_party_settings'], $container
      ->get('entity_field.manager'), $container
      ->get('plugin.manager.geolocation.mapcenter'));
  }

  /**
   * {@inheritdoc}
   */
  public function flagErrors(FieldItemListInterface $items, ConstraintViolationListInterface $violations, array $form, FormStateInterface $form_state) {
    foreach ($violations as $violation) {
      if ($violation
        ->getMessageTemplate() == 'This value should not be null.') {
        $form_state
          ->setErrorByName($items
          ->getName(), $this
          ->t('No location has been selected yet for required field %field.', [
          '%field' => $items
            ->getFieldDefinition()
            ->getLabel(),
        ]));
      }
    }
    parent::flagErrors($items, $violations, $form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    $settings = [
      'centre' => [
        'fit_bounds' => [
          'enable' => TRUE,
        ],
      ],
      'auto_client_location' => FALSE,
      'auto_client_location_marker' => FALSE,
      'allow_override_map_settings' => FALSE,
      'hide_textfield_form' => FALSE,
    ];
    $settings[static::$mapProviderSettingsFormId] = \Drupal::service('plugin.manager.geolocation.mapprovider')
      ->getMapProviderDefaultSettings(static::$mapProviderId);
    $settings += parent::defaultSettings();
    return $settings;
  }

  /**
   * {@inheritdoc}
   */
  public function getSettings() {
    $settings = parent::getSettings();
    $map_settings = [];
    if (!empty($settings[static::$mapProviderSettingsFormId])) {
      $map_settings = $settings[static::$mapProviderSettingsFormId];
    }
    $settings = NestedArray::mergeDeep($settings, [
      static::$mapProviderSettingsFormId => $this->mapProvider
        ->getSettings($map_settings),
    ]);
    return $settings;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $settings = $this
      ->getSettings();
    $element = [];
    $element['centre'] = $this->mapCenterManager
      ->getCenterOptionsForm((array) $settings['centre'], [
      'widget' => $this,
    ]);
    $element['auto_client_location_marker'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Automatically set marker to client location if available.'),
      '#default_value' => $settings['auto_client_location_marker'],
    ];
    $element['allow_override_map_settings'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Allow override the map settings when create/edit an content.'),
      '#default_value' => $settings['allow_override_map_settings'],
    ];
    $element['hide_textfield_form'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Hide textfields.'),
      '#default_value' => $settings['hide_textfield_form'],
    ];
    if ($this->mapProvider) {
      $element[static::$mapProviderSettingsFormId] = $this->mapProvider
        ->getSettingsForm($settings[static::$mapProviderSettingsFormId], [
        'fields',
        $this->fieldDefinition
          ->getName(),
        'settings_edit_form',
        'settings',
        static::$mapProviderSettingsFormId,
      ]);
    }
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = [];
    $settings = $this
      ->getSettings();
    if (!empty($settings['auto_client_location_marker'])) {
      $summary[] = $this
        ->t('Will set client location marker automatically by default');
    }
    if (!empty($settings['allow_override_map_settings'])) {
      $summary[] = $this
        ->t('Users will be allowed to override the map settings for each content.');
    }
    $map_provider_settings = empty($settings[static::$mapProviderSettingsFormId]) ? [] : $settings[static::$mapProviderSettingsFormId];
    $summary = array_replace_recursive($summary, $this->mapProvider
      ->getSettingsSummary($map_provider_settings));
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $default_field_values = FALSE;
    if (!empty($this->fieldDefinition
      ->getDefaultValueLiteral()[$delta])) {
      $default_field_values = [
        'lat' => $this->fieldDefinition
          ->getDefaultValueLiteral()[$delta]['lat'],
        'lng' => $this->fieldDefinition
          ->getDefaultValueLiteral()[$delta]['lng'],
      ];
    }

    // '0' is an allowed value, '' is not.
    if (isset($items[$delta]->lat) && isset($items[$delta]->lng)) {
      $default_field_values = [
        'lat' => $items[$delta]->lat,
        'lng' => $items[$delta]->lng,
      ];
    }
    $element = [
      '#type' => 'geolocation_input',
      '#title' => $element['#title'] ?? '',
      '#title_display' => $element['#title_display'] ?? '',
      '#description' => $element['#description'] ?? '',
      '#attributes' => [
        'class' => [
          'geolocation-widget-input',
          'geolocation-widget-input-' . $delta,
        ],
        'data-geolocation-widget-input-delta' => $delta,
      ],
    ];
    if ($default_field_values) {
      $element['#default_value'] = [
        'lat' => $default_field_values['lat'],
        'lng' => $default_field_values['lng'],
      ];
    }
    if ($delta == 0 && $this
      ->getSetting('allow_override_map_settings') && $this->mapProvider && !(!empty($form_state
      ->getBuildInfo()['base_form_id']) && $form_state
      ->getBuildInfo()['base_form_id'] == 'field_config_form')) {
      $overriden_map_settings = empty($this
        ->getSetting(static::$mapProviderSettingsFormId)) ? [] : $this
        ->getSetting(static::$mapProviderSettingsFormId);
      if (!empty($items
        ->get(0)
        ->getValue()['data']['map_provider_settings'])) {
        $overriden_map_settings = $items
          ->get(0)
          ->getValue()['data']['map_provider_settings'];
      }
      $element[static::$mapProviderSettingsFormId] = $this->mapProvider
        ->getSettingsForm($overriden_map_settings, [
        $this->fieldDefinition
          ->getName(),
        0,
        static::$mapProviderSettingsFormId,
      ]);
    }
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function form(FieldItemListInterface $items, array &$form, FormStateInterface $form_state, $get_delta = NULL) {
    $element = parent::form($items, $form, $form_state, $get_delta);
    $settings = $this
      ->getSettings();
    $id = Html::getUniqueId('edit_' . $this->fieldDefinition
      ->getName() . '_wrapper');
    if (empty($element['#attributes'])) {
      $element['#attributes'] = [];
    }
    $element['#attributes'] = array_merge_recursive($element['#attributes'], [
      'data-widget-type' => $this
        ->getPluginId(),
      'id' => $id,
      'class' => [
        'geolocation-map-widget',
      ],
    ]);
    if (empty($element['#attached'])) {
      $element['#attached'] = [];
    }
    $element['#attached'] = BubbleableMetadata::mergeAttachments($element['#attached'], [
      'library' => [
        'geolocation/geolocation.widget.map',
      ],
      'drupalSettings' => [
        'geolocation' => [
          'widgetSettings' => [
            $id => [
              'autoClientLocationMarker' => $settings['auto_client_location_marker'] ? TRUE : FALSE,
              'cardinality' => $this->fieldDefinition
                ->getFieldStorageDefinition()
                ->getCardinality(),
              'fieldName' => $this->fieldDefinition
                ->getName(),
            ],
          ],
        ],
      ],
    ]);
    if ($settings['hide_textfield_form']) {
      if ($element['widget']['#cardinality_multiple']) {
        if (empty($element['widget']['#attributes'])) {
          $element['widget']['#attributes'] = [];
        }
        $element['widget']['#attributes'] = array_merge_recursive($element['widget']['#attributes'], [
          'class' => [
            'visually-hidden',
          ],
        ]);
      }
      else {
        if (!empty($element['widget'][0])) {
          $element['widget'][0]['#attributes'] = array_merge_recursive($element['widget'][0]['#attributes'], [
            'class' => [
              'visually-hidden',
            ],
          ]);
        }
      }
    }
    $element['map'] = [
      '#type' => 'geolocation_map',
      '#weight' => -10,
      '#settings' => $settings[static::$mapProviderSettingsFormId],
      '#id' => $id . '-map',
      '#maptype' => static::$mapProviderId,
      '#context' => [
        'widget' => $this,
      ],
    ];
    $element['map'] = $this->mapCenterManager
      ->alterMap($element['map'], $settings['centre']);
    if ($this
      ->getSetting('allow_override_map_settings') && !empty($items
      ->get(0)
      ->getValue()['data']['map_provider_settings'])) {
      $element['map']['#settings'] = $items
        ->get(0)
        ->getValue()['data']['map_provider_settings'];
    }
    $context = [
      'widget' => $this,
      'form_state' => $form_state,
      'field_definition' => $this->fieldDefinition,
    ];
    if (!$this
      ->isDefaultValueWidget($form_state)) {
      \Drupal::moduleHandler()
        ->alter('geolocation_field_map_widget', $element, $context);
    }
    return $element;
  }

  /**
   * Return map provider.
   *
   * @return bool|\Drupal\geolocation\MapProviderInterface
   *   Map provder or false.
   */
  public function getMapProvider() {
    if ($this->mapProvider) {
      return $this->mapProvider;
    }
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
    $values = parent::massageFormValues($values, $form, $form_state);
    if (!empty($this->settings['allow_override_map_settings'])) {
      if (!empty($values[0][static::$mapProviderSettingsFormId])) {
        $values[0]['data']['map_provider_settings'] = $values[0][static::$mapProviderSettingsFormId];
        unset($values[0][static::$mapProviderSettingsFormId]);
      }
    }
    return $values;
  }

}

Classes

Name	Description
GeolocationMapWidgetBase	Map widget base.