public function GeolocationCore::getViewsFieldData in Geolocation Field 8

Get views data for fields and filters.

Parameters

\Drupal\field\FieldStorageConfigInterface $field_storage: Storage of the current field.

Return value

array The data to return to Views.

File

src/GeolocationCore.php, line 101

Class

GeolocationCore

Class GeolocationCore.

Namespace

Drupal\geolocation

Code

public function getViewsFieldData(FieldStorageConfigInterface $field_storage) {

  // Make sure views.views.inc is loaded.
  module_load_include('inc', 'views', 'views.views');

  // Get the default data from the views module.
  $data = views_field_default_views_data($field_storage);
  $args = [
    '@field_name' => $field_storage
      ->getName(),
  ];

  // Loop through all of the results and set our overrides.
  foreach ($data as $table_name => $table_data) {
    foreach ($table_data as $field_name => $field_data) {

      // Only modify fields.
      if ($field_name != 'delta') {
        if (isset($field_data['field'])) {

          // Use our own field handler.
          $data[$table_name][$field_name]['field']['id'] = 'geolocation_field';
          $data[$table_name][$field_name]['field']['click sortable'] = FALSE;
        }
        if (isset($field_data['filter'])) {
          if (substr($field_name, -4, 4) == '_lat') {
            $data[$table_name][$field_name]['title'] = $this
              ->t('Latitude (@field_name)', $args);
            continue;
          }
          if (substr($field_name, -4, 4) == '_lng') {
            $data[$table_name][$field_name]['title'] = $this
              ->t('Longitude (@field_name)', $args);
            continue;
          }

          // The default filters are mostly not useful except lat/lng.
          unset($data[$table_name][$field_name]['filter']);
        }
        if (isset($field_data['argument'])) {

          // The default arguments aren't useful at all so remove them.
          unset($data[$table_name][$field_name]['argument']);
        }
        if (isset($field_data['sort'])) {

          // The default arguments aren't useful at all so remove them.
          unset($data[$table_name][$field_name]['sort']);
        }
      }
    }
    $field_coordinates_table_data = [];
    $entity_type_id = $field_storage
      ->getTargetEntityTypeId();
    $target_entity_type = $this->entityManager
      ->getDefinition($field_storage
      ->getTargetEntityTypeId());
    if (array_key_exists($target_entity_type
      ->getBaseTable() . '__' . $field_storage
      ->getName(), $data)) {
      $field_coordinates_table_data = $data[$target_entity_type
        ->getBaseTable() . '__' . $field_storage
        ->getName()][$field_storage
        ->getName()];
    }
    elseif (array_key_exists($entity_type_id . '__' . $field_storage
      ->getName(), $data)) {

      // Fall back to using the key format as defined in,
      // views_field_default_views_data().
      $field_coordinates_table_data = $data[$entity_type_id . '__' . $field_storage
        ->getName()][$field_storage
        ->getName()];
    }

    // Add proximity handlers.
    $data[$table_name][$args['@field_name'] . '_proximity'] = [
      'group' => $target_entity_type
        ->getLabel(),
      'title' => $this
        ->t('Proximity (@field_name)', $args),
      'title short' => isset($field_coordinates_table_data['title short']) ? $field_coordinates_table_data['title short'] . $this
        ->t(":proximity") : '',
      'help' => isset($field_coordinates_table_data['help']) ? $field_coordinates_table_data['help'] : '',
      'argument' => [
        'id' => 'geolocation_argument_proximity',
        'table' => $table_name,
        'entity_type' => $entity_type_id,
        'field_name' => $args['@field_name'] . '_proximity',
        'real field' => $args['@field_name'],
        'label' => $this
          ->t('Distance to !field_name', $args),
        'empty field name' => '- No value -',
        'additional fields' => [
          $args['@field_name'] . '_lat',
          $args['@field_name'] . '_lng',
          $args['@field_name'] . '_lat_sin',
          $args['@field_name'] . '_lat_cos',
          $args['@field_name'] . '_lng_rad',
        ],
      ],
      'filter' => [
        'id' => 'geolocation_filter_proximity',
        'table' => $table_name,
        'entity_type' => $entity_type_id,
        'field_name' => $args['@field_name'] . '_proximity',
        'real field' => $args['@field_name'],
        'label' => $this
          ->t('Distance to !field_name', $args),
        'allow empty' => TRUE,
        'additional fields' => [
          $args['@field_name'] . '_lat',
          $args['@field_name'] . '_lng',
          $args['@field_name'] . '_lat_sin',
          $args['@field_name'] . '_lat_cos',
          $args['@field_name'] . '_lng_rad',
        ],
      ],
      'field' => [
        'table' => $table_name,
        'id' => 'geolocation_field_proximity',
        'field_name' => $args['@field_name'] . '_proximity',
        'entity_type' => $entity_type_id,
        'real field' => $args['@field_name'],
        'float' => TRUE,
        'additional fields' => [
          $args['@field_name'] . '_lat',
          $args['@field_name'] . '_lng',
          $args['@field_name'] . '_lat_sin',
          $args['@field_name'] . '_lat_cos',
          $args['@field_name'] . '_lng_rad',
        ],
        'element type' => 'div',
        'is revision' => isset($table_data[$args['@field_name']]['field']['is revision']) && $table_data[$args['@field_name']]['field']['is revision'],
        'click sortable' => TRUE,
      ],
      'sort' => [
        'table' => $table_name,
        'id' => 'geolocation_sort_proximity',
        'field_name' => $args['@field_name'] . '_proximity',
        'entity_type' => $entity_type_id,
        'real field' => $args['@field_name'],
      ],
    ];

    // Add boundary handlers.
    $data[$table_name][$args['@field_name'] . '_boundary'] = [
      'group' => $target_entity_type
        ->getLabel(),
      'title' => $this
        ->t('Boundary (@field_name)', $args),
      'title short' => isset($field_coordinates_table_data['title short']) ? $field_coordinates_table_data['title short'] . $this
        ->t(":boundary") : '',
      'help' => isset($field_coordinates_table_data['help']) ? $field_coordinates_table_data['help'] : '',
      'filter' => [
        'id' => 'geolocation_filter_boundary',
        'table' => $table_name,
        'entity_type' => $entity_type_id,
        'field_name' => $args['@field_name'] . '_boundary',
        'real field' => $args['@field_name'],
        'label' => $this
          ->t('Boundaries around !field_name', $args),
        'allow empty' => TRUE,
        'additional fields' => [
          $args['@field_name'] . '_lat',
          $args['@field_name'] . '_lng',
        ],
      ],
    ];
  }
  return $data;
}