Ongoing development.

src/Netzmacht/Contao/Leaflet/Mapper/DefinitionMapper.php

@@ -13,6 +13,9 @@ namespace Netzmacht\Contao\Leaflet\Mapper;
 
 use Netzmacht\Contao\Leaflet\Event\BuildDefinitionEvent;
 use Netzmacht\LeafletPHP\Definition;
+use Netzmacht\LeafletPHP\Definition\GeoJson\Feature;
+use Netzmacht\LeafletPHP\Definition\GeoJson\FeatureCollection;
+use Netzmacht\LeafletPHP\Definition\Type\LatLngBounds;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface as EventDispatcher;
 
 /**
@@ -70,6 +73,8 @@ class DefinitionMapper
     {
         $this->builders[$priority][] = $builder;
 
+        ksort($this->builders);
+
         return $this;
     }
 
@@ -86,12 +91,13 @@ class DefinitionMapper
     /**
      * Build a model.
      *
-     * @param \Model $model The definition model.
-     * @param string $elementId Optional element id. If none given the mapId or alias is used.
+     * @param \Model       $model     The definition model.
+     * @param LatLngBounds $bounds    Optional bounds where elements should be in.
+     * @param string       $elementId Optional element id. If none given the mapId or alias is used.
      *
      * @return Definition
      */
-    public function handle(\Model $model, $elementId = null)
+    public function handle(\Model $model, LatLngBounds $bounds = null, $elementId = null)
     {
         $hash = $model->getTable() . '.' . $model->{$model->getPk()};
 
@@ -99,16 +105,14 @@ class DefinitionMapper
             return $this->mapped[$hash];
         }
 
-        krsort($this->builders);
-
         $this->mapId = $elementId ?: ($model->alias ?: ('map_' . $model->id));
 
         foreach ($this->builders as $builders) {
             foreach($builders as $builder) {
                 if ($builder->match($model)) {
-                    $definition = $builder->handle($model, $this);
+                    $definition = $builder->handle($model, $this, $bounds);
 
-                    $event = new BuildDefinitionEvent($definition, $model);
+                    $event = new BuildDefinitionEvent($definition, $model, $bounds);
                     $this->eventDispatcher->dispatch($event::NAME, $event);
 
                     $this->mapped[$hash] = $definition;
@@ -126,4 +130,43 @@ class DefinitionMapper
             )
         );
     }
+
+    /**
+     * Build a model.
+     *
+     * @param \Model       $model     The definition model.
+     * @param LatLngBounds $bounds    Optional bounds where elements should be in.
+     *
+     * @return FeatureCollection|Feature
+     */
+    public function handleGeoJson(\Model $model, LatLngBounds $bounds = null)
+    {
+        foreach ($this->builders as $builders) {
+            foreach ($builders as $builder) {
+                if (!$builder->match($model)) {
+                    continue;
+                }
+
+                if ($builder instanceof GeoJsonMapper) {
+                    return $builder->handleGeoJson($model, $this, $bounds);
+                }
+
+                throw new \RuntimeException(
+                    sprintf(
+                        'Builder for model "%s::%s" is not a GeoJsonMapper',
+                        $model->getTable(),
+                        $model->{$model->getPk()}
+                    )
+                );
+            }
+        }
+
+        throw new \RuntimeException(
+            sprintf(
+                'Could not build geo json of model "%s::%s". No matching builders found.',
+                $model->getTable(),
+                $model->{$model->getPk()}
+            )
+        );
+    }
 }