GeofieldProximitySourceManager.php in Geofield 8

Namespace

Drupal\geofield\Plugin

File

src/Plugin/GeofieldProximitySourceManager.php

<?php

namespace Drupal\geofield\Plugin;

use Drupal\Core\Plugin\DefaultPluginManager;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\ReplaceCommand;

/**
 * Provides the Geofield Proximity Source plugin manager.
 */
class GeofieldProximitySourceManager extends DefaultPluginManager {
  use StringTranslationTrait;

  /**
   * {@inheritdoc}
   */
  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
    parent::__construct('Plugin/GeofieldProximitySource', $namespaces, $module_handler, 'Drupal\\geofield\\Plugin\\GeofieldProximitySourceInterface', 'Drupal\\geofield\\Annotation\\GeofieldProximitySource');
    $this
      ->alterInfo('geofield_geofield_proximity_source_info');
    $this
      ->setCacheBackend($cache_backend, 'geofield_geofield_proximity_source_plugins');
  }

  /**
   * Builds the common elements of the Proximity Form.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   * @param string $context
   *   The array list of the specific view handler plugin type to look for.
   *   Possible values:
   *   - filter
   *   - sort
   *   - field
   *   - NULL (all).
   * @param bool $is_exposed
   *   The check/differentiate if it is part of an exposed form.
   */
  public function buildCommonFormElements(array &$form, FormStateInterface $form_state, $context = NULL, $is_exposed = FALSE) {

    // Attach Geofield Map Libraries.
    $form['#attached']['library'][] = 'geofield/geofield_proximity';
    $form['units'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Unit of Measure'),
      '#description' => '',
      '#options' => geofield_radius_options(),
      '#default_value' => '',
    ];
    $form['source_intro'] = [
      '#markup' => $this
        ->t('How do you want to enter your proximity parameters (distance and origin point)?'),
    ];
    $form['source'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Proximity Definition Mode (Source of Distance and Origin Point)'),
      '#options' => [],
      '#default_value' => '',
      '#ajax' => [
        'callback' => [
          get_class($this),
          'sourceUpdate',
        ],
        'effect' => 'fade',
      ],
    ];
    foreach ($this
      ->getDefinitions() as $plugin_id => $definition) {
      if (isset($definition['context']) && (empty($definition['context']) || in_array($context, $definition['context'])) && (!isset($definition['exposedOnly']) || $definition['exposedOnly'] && $is_exposed) && (!isset($definition['no_ui']) || !$definition['no_ui'])) {
        $form['source']['#options'][$plugin_id] = $definition['label'];
      }
    }
    $form['source_configuration'] = [
      '#type' => 'container',
      '#tree' => TRUE,
      '#prefix' => '<div id="proximity-source-configuration">',
      '#suffix' => '</div>',
    ];
  }

  /**
   * Ajax callback triggered on Source Selection.
   *
   * @param array $form
   *   The build form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state.
   *
   * @return \Drupal\Core\Ajax\AjaxResponse
   *   Ajax response with updated form element.
   */
  public static function sourceUpdate(array $form, FormStateInterface $form_state) {
    $response = new AjaxResponse();
    $response
      ->addCommand(new ReplaceCommand('#proximity-source-configuration', $form['options']['source_configuration']));
    return $response;
  }

}

Classes

Name	Description
GeofieldProximitySourceManager	Provides the Geofield Proximity Source plugin manager.