farmOS/modules/asset/structure/src/EventSubscriber/MapRenderEventSubscriber.php

109 lines
3.2 KiB
PHP

<?php
namespace Drupal\farm_structure\EventSubscriber;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\farm_map\Event\MapRenderEvent;
use Drupal\farm_map\LayerStyleLoaderInterface;
use Drupal\farm_structure\Entity\FarmStructureType;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* An event subscriber for the MapRenderEvent.
*/
class MapRenderEventSubscriber implements EventSubscriberInterface {
use StringTranslationTrait;
/**
* Structure asset type.
*
* @var \Drupal\asset\Entity\AssetTypeInterface
*/
protected $structureAssetType;
/**
* The layer style loader service.
*
* @var \Drupal\farm_map\layerStyleLoader
*/
protected $layerStyleLoader;
/**
* MapRenderEventSubscriber Constructor.
*
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager service.
* @param \Drupal\farm_map\LayerStyleLoaderInterface $layer_style_loader
* The layer style loader service.
*/
public function __construct(EntityTypeManagerInterface $entity_type_manager, LayerStyleLoaderInterface $layer_style_loader) {
$this->structureAssetType = $entity_type_manager->getStorage('asset_type')->load('structure');
$this->layerStyleLoader = $layer_style_loader;
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents() {
return [
MapRenderEvent::EVENT_NAME => ['onMapRender', -100],
];
}
/**
* React to the MapRenderEvent.
*
* @param \Drupal\farm_map\Event\MapRenderEvent $event
* The MapRenderEvent.
*/
public function onMapRender(MapRenderEvent $event) {
// If the "locations" behavior is added to the map, add layers for each
// structure type.
if (in_array('locations', $event->getMapBehaviors())) {
$layers = [];
// Define the parent group.
$group = $this->t('Locations');
// Create a layer group for the asset type.
$layers['structure'] = [
'group' => $group,
'label' => $this->structureAssetType->label(),
'is_group' => TRUE,
];
// Load structure types.
$structure_types = FarmStructureType::loadMultiple();
// Create a layer for each sub-type.
foreach ($structure_types as $structure_type) {
/** @var \Drupal\farm_map\Entity\LayerStyleInterface $layer_style */
$conditions = [
'asset_type' => 'structure',
'structure_type' => $structure_type->id(),
];
$layer_style = $this->layerStyleLoader->load($conditions);
if (!empty($layer_style)) {
$color = $layer_style->get('color');
}
$layers['structure_' . $structure_type->id()] = [
'group' => $this->structureAssetType->label(),
'label' => $structure_type->label(),
'asset_type' => 'structure',
'filters' => ['structure_type_value[]' => $structure_type->id()],
'color' => $color ?? 'orange',
'zoom' => TRUE,
];
}
// Add layers to the map settings.
$settings[$event->getMapTargetId()]['asset_type_layers'] = $layers;
$event->addSettings($settings);
}
}
}