Introduce service names constants.

module/config/services.php

@@ -10,9 +10,12 @@
  */
 
 use Interop\Container\ContainerInterface;
-use Netzmacht\Contao\Leaflet\Alias\UnderscoreFilter;
 use Netzmacht\Contao\Leaflet\Boot;
 use Netzmacht\Contao\Leaflet\ContaoAssets;
+use Netzmacht\Contao\Leaflet\Dca\ControlCallbacks;
+use Netzmacht\Contao\Leaflet\Dca\LayerCallbacks;
+use Netzmacht\Contao\Leaflet\Dca\MapCallbacks;
+use Netzmacht\Contao\Leaflet\DependencyInjection\LeafletServices;
 use Netzmacht\Contao\Leaflet\Frontend\MapElement;
 use Netzmacht\Contao\Leaflet\Frontend\MapModule;
 use Netzmacht\Contao\Leaflet\Frontend\ValueFilter;
@@ -40,38 +43,38 @@ global $container;
 /*
  * Leaflet map provider is a simply api entry to to get the leaflet map from the database.
  */
-$container['leaflet.map.provider'] = $container->share(function ($container) {
+$container[LeafletServices::MAP_PROVIDER] = $container->share(function ($container) {
     return new MapProvider(
-        $container['leaflet.definition.mapper'],
-        $container['leaflet.definition.builder'],
-        $container['event-dispatcher'],
-        $container['input'],
-        $container['leaflet.map.assets']
+        $container[LeafletServices::DEFINITION_MAPPER],
+        $container[LeafletServices::DEFINITION_BUILDER],
+        $container[Services::EVENT_DISPATCHER],
+        $container[Services::INPUT],
+        $container[LeafletServices::MAP_ASSETS]
     );
 });
 
 /*
  * Contao assets handler. Loads Leaflet assets as contao (static) assets.
  */
-$container['leaflet.map.assets'] = $container->share(function () {
+$container[LeafletServices::MAP_ASSETS] = $container->share(function () {
     return new ContaoAssets();
 });
 
 /*
  * The leaflet boot.
  */
-$container['leaflet.boot'] = $container->share(function ($container) {
-    return new Boot($container['event-dispatcher']);
+$container[LeafletServices::BOOT] = $container->share(function ($container) {
+    return new Boot($container[Services::EVENT_DISPATCHER]);
 });
 
 
 /*
  * The definition mapper.
  */
-$container['leaflet.definition.mapper'] = $container->share(function ($container) {
+$container[LeafletServices::DEFINITION_MAPPER] = $container->share(function ($container) {
     /** @var Boot $boot */
-    $boot   = $container['leaflet.boot'];
-    $mapper = new DefinitionMapper($container['event-dispatcher']);
+    $boot   = $container[LeafletServices::BOOT];
+    $mapper = new DefinitionMapper($container[Services::EVENT_DISPATCHER]);
 
     return $boot->initializeDefinitionMapper($mapper);
 });
@@ -80,9 +83,9 @@ $container['leaflet.definition.mapper'] = $container->share(function ($container
 /*
  * The local event dispatcher is used for the leaflet javascript encoding system.
  */
-$container['leaflet.definition.builder.event-dispatcher'] = $container->share(function ($container) {
+$container[LeafletServices::DEFINITION_BUILDER_EVENT_DISPATCHER] = $container->share(function ($container) {
     /** @var Boot $boot */
-    $boot       = $container['leaflet.boot'];
+    $boot       = $container[LeafletServices::BOOT];
     $dispatcher = new EventDispatcher();
 
     return $boot->initializeEventDispatcher($dispatcher);
@@ -91,8 +94,8 @@ $container['leaflet.definition.builder.event-dispatcher'] = $container->share(fu
 /*
  * The javascript encoder factory being used for building the map javascript.
  */
-$container['leaflet.definition.builder.encoder-factory'] = function ($container) {
-    $dispatcher = $container['leaflet.definition.builder.event-dispatcher'];
+$container[LeafletServices::DEFINITION_ENCODER_FACTORY] = function ($container) {
+    $dispatcher = $container[LeafletServices::DEFINITION_BUILDER_EVENT_DISPATCHER];
 
     return function (Output $output) use ($dispatcher) {
         $encoder = new ChainEncoder();
@@ -108,11 +111,11 @@ $container['leaflet.definition.builder.encoder-factory'] = function ($container)
 /*
  * The leaflet builder transforms the definition to javascript.
  */
-$container['leaflet.definition.builder'] = $container->share(function($container) {
+$container[LeafletServices::DEFINITION_BUILDER] = $container->share(function($container) {
     /** @var Boot $boot */
-    $boot       = $container['leaflet.boot'];
-    $dispatcher = $container['leaflet.definition.builder.event-dispatcher'];
-    $factory    = $container['leaflet.definition.builder.encoder-factory'];
+    $boot       = $container[LeafletServices::BOOT];
+    $dispatcher = $container[LeafletServices::DEFINITION_BUILDER_EVENT_DISPATCHER];
+    $factory    = $container[LeafletServices::DEFINITION_ENCODER_FACTORY];
 
     $builder = new Builder($factory);
     $leaflet = new Leaflet($builder, $dispatcher, array(), JSON_UNESCAPED_SLASHES ^ Flags::BUILD_STACK);
@@ -120,7 +123,7 @@ $container['leaflet.definition.builder'] = $container->share(function($container
     return $boot->initializeLeafletBuilder($leaflet);
 });
 
-$container['leaflet.frontend.value-filter'] = $container->share(function($container) {
+$container[LeafletServices::FRONTEND_VALUE_FILTER] = $container->share(function($container) {
     return new ValueFilter($container[Services::INSERT_TAG_REPLACER]);
 });
 
@@ -129,7 +132,7 @@ $container['leaflet.frontend.value-filter'] = $container->share(function($contai
  *
  * @return \Netzmacht\Contao\Toolkit\Data\Alias\AliasGenerator
  */
-$container['leaflet.alias-generator'] = $container->share(
+$container[LeafletServices::ALIAS_GENERATOR] = $container->share(
     function ($container) {
         return function ($dataContainerName, $aliasField, $fields) use ($container) {
             $filters = [
@@ -149,18 +152,28 @@ $container['leaflet.alias-generator'] = $container->share(
     }
 );
 
+/**
+ * Callback helper class for tl_leaflet_map.
+ *
+ * @return MapCallbacks
+ */
 $container['leaflet.dca.map-callbacks'] = $container->share(
     function ($container) {
-        return new \Netzmacht\Contao\Leaflet\Dca\MapCallbacks(
+        return new MapCallbacks(
             $container[Services::DCA_MANAGER],
             $container[Services::DATABASE_CONNECTION]
         );
     }
 );
 
+/**
+ * Callback helper class for tl_leaflet_layer.
+ *
+ * @return LayerCallbacks
+ */
 $container['leaflet.dca.layer-callbacks'] = $container->share(
     function ($container) {
-        return new \Netzmacht\Contao\Leaflet\Dca\LayerCallbacks(
+        return new LayerCallbacks(
             $container[Services::DCA_MANAGER],
             $container[Services::DATABASE_CONNECTION],
             $GLOBALS['LEAFLET_LAYERS']
@@ -168,33 +181,56 @@ $container['leaflet.dca.layer-callbacks'] = $container->share(
     }
 );
 
+/**
+ * Callback helper class for tl_leaflet_control.
+ *
+ * @return ControlCallbacks
+ */
 $container['leaflet.dca.control-callbacks'] = $container->share(
     function ($container) {
-        return new \Netzmacht\Contao\Leaflet\Dca\ControlCallbacks(
+        return new ControlCallbacks(
             $container[Services::DCA_MANAGER],
             $container[Services::DATABASE_CONNECTION]
         );
     }
 );
 
+/**
+ * Component factory for content element.
+ *
+ * @param ContentModel       $model     Content model.
+ * @param string             $column    Template section.
+ * @param ContainerInterface $container Container.
+ *
+ * @return MapElement
+ */
 $container[Services::CONTENT_ELEMENTS_MAP]['leaflet'] = function ($model, $column, ContainerInterface $container) {
     return new MapElement(
         $model,
         $container->get(Services::TEMPLATE_FACTORY),
         $container->get(Services::TRANSLATOR),
-        $container->get('leaflet.map.provider'),
+        $container->get(LeafletServices::MAP_PROVIDER),
         $container->get(Services::INPUT),
         $container->get(Services::CONFIG),
         $column
     );
 };
 
+/**
+ * Component factory for frontend module.
+ *
+ * @param ModuleModel        $model     Module model.
+ * @param string             $column    Template section.
+ * @param ContainerInterface $container Container.
+ *
+ * @return MapModule
+ */
 $container[Services::MODULES_MAP]['leaflet'] = function ($model, $column, ContainerInterface $container) {
     return new MapModule(
         $model,
         $container->get(Services::TEMPLATE_FACTORY),
         $container->get(Services::TRANSLATOR),
-        $container->get('leaflet.map.provider'),
+        $container->get(LeafletServices::MAP_PROVIDER),
         $container->get(Services::INPUT),
         $container->get(Services::CONFIG),
         $column