Introduce service names constants.

src/Netzmacht/Contao/Leaflet/DependencyInjection/LeafletServices.php

@@ -10,7 +10,14 @@
 
 namespace Netzmacht\Contao\Leaflet\DependencyInjection;
 
+use Netzmacht\Contao\Leaflet\Boot;
 use Netzmacht\Contao\Leaflet\Frontend\ValueFilter;
+use Netzmacht\Contao\Leaflet\Mapper\DefinitionMapper;
+use Netzmacht\Contao\Leaflet\MapProvider;
+use Netzmacht\Contao\Toolkit\Data\Alias\AliasGenerator;
+use Netzmacht\LeafletPHP\Assets;
+use Netzmacht\LeafletPHP\Leaflet;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
 /**
  * Class LeafletServices describes services provided by the leaflet package.
@@ -19,6 +26,62 @@ use Netzmacht\Contao\Leaflet\Frontend\ValueFilter;
  */
 class LeafletServices
 {
+    /**
+     * Service name for the alias generator which creates valid js aliases.
+     *
+     * @return AliasGenerator
+     */
+    const ALIAS_GENERATOR = 'leaflet.alias-generator';
+
+    /**
+     * Service name of the boot handler.
+     *
+     * @return Boot
+     */
+    const BOOT = 'leaflet.boot';
+
+    /**
+     * Service name of the definition builder.
+     *
+     * @return Leaflet
+     */
+    const DEFINITION_BUILDER = 'leaflet.definition.builder';
+
+    /**
+     * Service name of the encoder factory used inside of the definition builder.
+     *
+     * @return \callable
+     */
+    const DEFINITION_ENCODER_FACTORY = 'leaflet.definition.builder.encoder-factory';
+
+    /**
+     * Service name of the internal used event dispatcher of the definition builder.
+     *
+     * @return EventDispatcherInterface
+     */
+    const DEFINITION_BUILDER_EVENT_DISPATCHER = 'leaflet.definition.builder.event-dispatcher';
+
+    /**
+     * Service name of the definition mapper.
+     *
+     * @return DefinitionMapper
+     */
+    const DEFINITION_MAPPER = 'leaflet.definition.mapper';
+
+    /**
+     * Service name of the leaflet map provider.
+     *
+     * @return MapProvider
+     */
+    const MAP_PROVIDER = 'leaflet.map.provider';
+
+    /**
+     * Service name of the map assets handler.
+     *
+     * @return Assets
+     */
+    const MAP_ASSETS = 'leaflet.map.assets';
+
     /**
      * Service name of the frontend value filter.
      *

src/Netzmacht/Contao/Leaflet/Subscriber/BootSubscriber.php

@@ -12,6 +12,7 @@
 namespace Netzmacht\Contao\Leaflet\Subscriber;
 
 use ContaoCommunityAlliance\Contao\EventDispatcher\EventDispatcherInitializer;
+use Netzmacht\Contao\Leaflet\DependencyInjection\LeafletServices;
 use Netzmacht\Contao\Leaflet\Event\GetJavascriptEvent;
 use Netzmacht\Contao\Leaflet\Event\InitializeDefinitionMapperEvent;
 use Netzmacht\Contao\Leaflet\Event\InitializeEventDispatcherEvent;
@@ -58,7 +59,7 @@ class BootSubscriber implements EventSubscriberInterface
     {
         $container   = $event->getContainer();
         $debugMode   = $container->get(Services::CONFIG)->get('debugMode');
-        $mapProvider = $container->get('leaflet.map.provider');
+        $mapProvider = $container->get(LeafletServices::MAP_PROVIDER);
         $parser      = new LeafletInsertTagParser($mapProvider, $debugMode);
 
         $container->get(Services::INSERT_TAG_REPLACER)->registerParser($parser);
@@ -154,7 +155,7 @@ class BootSubscriber implements EventSubscriberInterface
 
         if ($collection) {
             /** @var DefinitionMapper $mapper */
-            $mapper = $GLOBALS['container']['leaflet.definition.mapper'];
+            $mapper = $GLOBALS['container'][LeafletServices::DEFINITION_MAPPER];
             $buffer = '';
             $icons  = array();