Leaflet.php in Geolocation Field 8.2

Namespace

Drupal\geolocation_leaflet\Plugin\geolocation\MapProvider

File

modules/geolocation_leaflet/src/Plugin/geolocation/MapProvider/Leaflet.php

<?php

namespace Drupal\geolocation_leaflet\Plugin\geolocation\MapProvider;

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

/**
 * Provides Leaflet.
 *
 * @MapProvider(
 *   id = "leaflet",
 *   name = @Translation("Leaflet"),
 *   description = @Translation("Leaflet support."),
 * )
 */
class Leaflet extends MapProviderBase {

  /**
   * {@inheritdoc}
   */
  public static function getDefaultSettings() {
    return array_replace_recursive(parent::getDefaultSettings(), [
      'zoom' => 10,
      'height' => '400px',
      'width' => '100%',
      'map_features' => [
        'leaflet_control_zoom' => [
          'enabled' => TRUE,
        ],
        'leaflet_marker_popup' => [
          'enabled' => TRUE,
        ],
      ],
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getSettings(array $settings) {
    $settings = parent::getSettings($settings);
    $settings['zoom'] = (int) $settings['zoom'];
    return $settings;
  }

  /**
   * {@inheritdoc}
   */
  public function getSettingsSummary(array $settings) {
    $settings = array_replace_recursive(self::getDefaultSettings(), $settings);
    $summary = parent::getSettingsSummary($settings);
    $summary[] = $this
      ->t('Zoom level: @zoom', [
      '@zoom' => $settings['zoom'],
    ]);
    $summary[] = $this
      ->t('Height: @height', [
      '@height' => $settings['height'],
    ]);
    $summary[] = $this
      ->t('Width: @width', [
      '@width' => $settings['width'],
    ]);
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function getSettingsForm(array $settings, array $parents = []) {
    $settings += self::getDefaultSettings();
    if ($parents) {
      $parents_string = implode('][', $parents);
    }
    else {
      $parents_string = NULL;
    }
    $form = parent::getSettingsForm($settings, $parents);
    $form['height'] = [
      '#group' => $parents_string,
      '#type' => 'textfield',
      '#title' => $this
        ->t('Height'),
      '#description' => $this
        ->t('Enter the dimensions and the measurement units. E.g. 200px or 100%.'),
      '#size' => 4,
      '#default_value' => $settings['height'],
    ];
    $form['width'] = [
      '#group' => $parents_string,
      '#type' => 'textfield',
      '#title' => $this
        ->t('Width'),
      '#description' => $this
        ->t('Enter the dimensions and the measurement units. E.g. 200px or 100%.'),
      '#size' => 4,
      '#default_value' => $settings['width'],
    ];
    $form['zoom'] = [
      '#group' => $parents_string,
      '#type' => 'select',
      '#title' => $this
        ->t('Zoom level'),
      '#options' => range(0, 20),
      '#description' => $this
        ->t('The initial resolution at which to display the map, where zoom 0 corresponds to a map of the Earth fully zoomed out, and higher zoom levels zoom in at a higher resolution.'),
      '#default_value' => $settings['zoom'],
      '#process' => [
        [
          '\\Drupal\\Core\\Render\\Element\\RenderElement',
          'processGroup',
        ],
        [
          '\\Drupal\\Core\\Render\\Element\\Select',
          'processSelect',
        ],
      ],
      '#pre_render' => [
        [
          '\\Drupal\\Core\\Render\\Element\\RenderElement',
          'preRenderGroup',
        ],
      ],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function alterRenderArray(array $render_array, array $map_settings, array $context = []) {
    $map_settings = $this
      ->getSettings($map_settings);
    $render_array['#attached'] = BubbleableMetadata::mergeAttachments(empty($render_array['#attached']) ? [] : $render_array['#attached'], [
      'library' => [
        'geolocation_leaflet/geolocation.leaflet',
      ],
      'drupalSettings' => [
        'geolocation' => [
          'maps' => [
            $render_array['#id'] => [
              'settings' => [
                'leaflet_settings' => $map_settings,
              ],
            ],
          ],
        ],
      ],
    ]);
    $render_array = parent::alterRenderArray($render_array, $map_settings, $context);
    return $render_array;
  }

  /**
   * {@inheritdoc}
   */
  public static function getControlPositions() {
    return [
      'topleft' => t('Top left'),
      'topright' => t('Top right'),
      'bottomleft' => t('Bottom left'),
      'bottomright' => t('Bottom right'),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function alterCommonMap(array $render_array, array $map_settings, array $context) {
    $render_array['#attached'] = BubbleableMetadata::mergeAttachments(empty($render_array['#attached']) ? [] : $render_array['#attached'], [
      'library' => [
        'geolocation_leaflet/commonmap.leaflet',
      ],
    ]);
    return $render_array;
  }

}

Classes

Name	Description
Leaflet	Provides Leaflet.