LeafletCustomTileLayer.php in Geolocation Field 8.2

Namespace

Drupal\geolocation_leaflet\Plugin\geolocation\MapFeature

File

modules/geolocation_leaflet/src/Plugin/geolocation/MapFeature/LeafletCustomTileLayer.php

<?php

namespace Drupal\geolocation_leaflet\Plugin\geolocation\MapFeature;

use Drupal\geolocation\MapFeatureBase;
use Drupal\Core\Render\BubbleableMetadata;

/**
 * Provides map tile layer support.
 *
 * @MapFeature(
 *   id = "leaflet_custom_tile_layer",
 *   name = @Translation("Tile Layer - Custom"),
 *   description = @Translation("Set a custom map tile layer."),
 *   type = "leaflet",
 * )
 */
class LeafletCustomTileLayer extends MapFeatureBase {

  /**
   * {@inheritdoc}
   */
  public static function getDefaultSettings() {
    return [
      'tile_layer_url' => '//{s}.tile.osm.org/{z}/{x}/{y}.png',
      'tile_layer_attribution' => '&copy; <a href="https://osm.org/copyright">OpenStreetMap</a> contributors',
      'tile_layer_subdomains' => 'abc',
      'tile_layer_zoom' => 18,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getSettingsForm(array $settings, array $parents) {
    $settings = $this
      ->getSettings($settings);
    $form['tile_layer_url'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('URL'),
      '#description' => $this
        ->t('Enter a tile server url like "http://{s}.tile.osm.org/{z}/{x}/{y}.png".'),
      '#default_value' => $settings['tile_layer_url'],
    ];
    $form['tile_layer_attribution'] = [
      '#type' => 'textarea',
      '#title' => $this
        ->t('Attribution'),
      '#description' => $this
        ->t('Enter the tile server attribution like %attr.', [
        '%attr' => htmlspecialchars('&copy; <a href="https://osm.org/copyright">OpenStreetMap</a> contributors'),
      ]),
      '#default_value' => $settings['tile_layer_attribution'],
    ];
    $form['tile_layer_subdomains'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Subdomains'),
      '#description' => $this
        ->t('Enter the tile server subdomains like "abc".'),
      '#default_value' => $settings['tile_layer_subdomains'],
    ];
    $form['tile_layer_zoom'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Max Zoom'),
      '#description' => $this
        ->t('Enter the tile server max zoom.'),
      '#default_value' => $settings['tile_layer_zoom'],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function alterMap(array $render_array, array $feature_settings, array $context = []) {
    $render_array = parent::alterMap($render_array, $feature_settings, $context);
    $feature_settings = $this
      ->getSettings($feature_settings);
    $render_array['#attached'] = BubbleableMetadata::mergeAttachments(empty($render_array['#attached']) ? [] : $render_array['#attached'], [
      'library' => [
        'geolocation_leaflet/mapfeature.' . $this
          ->getPluginId(),
      ],
      'drupalSettings' => [
        'geolocation' => [
          'maps' => [
            $render_array['#id'] => [
              $this
                ->getPluginId() => [
                'enable' => TRUE,
                'tileLayerUrl' => $feature_settings['tile_layer_url'],
                'tileLayerAttribution' => $feature_settings['tile_layer_attribution'],
                'tileLayerSubdomains' => $feature_settings['tile_layer_subdomains'],
                'tileLayerZoom' => $feature_settings['tile_layer_zoom'],
              ],
            ],
          ],
        ],
      ],
    ]);
    return $render_array;
  }

}

Classes

Name	Description
LeafletCustomTileLayer	Provides map tile layer support.