Work on the layers implementation.

src/Netzmacht/Contao/Leaflet/Dca/Layer.php

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * @package    dev
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2014 netzmacht creative David Molineus
+ * @license    LGPL 3.0
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\Dca;
+
+
+class Layer
+{
+    public function getVariants($dataContainer)
+    {
+        if ($dataContainer->activeRecord
+            && $dataContainer->activeRecord->tile_provider
+            && !empty($GLOBALS['LEAFLET_TILE_PROVIDERS'][$dataContainer->activeRecord->tile_provider]['variants'])
+        ) {
+            return $GLOBALS['LEAFLET_TILE_PROVIDERS'][$dataContainer->activeRecord->tile_provider]['variants'];
+        }
+
+        return array();
+    }
+}

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

@@ -11,9 +11,11 @@
 
 namespace Netzmacht\Contao\Leaflet\Mapper;
 
+use Netzmacht\Contao\Leaflet\Model\LayerModel;
 use Netzmacht\Contao\Leaflet\Model\MapModel;
 use Netzmacht\LeafletPHP\Definition;
 use Netzmacht\LeafletPHP\Definition\Map;
+use Netzmacht\LeafletPHP\Plugins\LeafletProviders\Provider;
 
 class MapMapper extends AbstractMapper
 {
@@ -102,5 +104,15 @@ class MapMapper extends AbstractMapper
      */
     private function buildLayers(Map $map, MapModel $model, DefinitionMapper $mapper)
     {
+        $ids        = deserialize($model->layers, true);
+        $collection = LayerModel::findMultipleByIds($ids);
+
+        if ($collection) {
+            foreach ($collection as $layer) {
+                /** @var Provider $layer */
+                $layer = $mapper->handle($layer);
+                $map->addLayer($layer);
+            }
+        }
     }
 }

src/Netzmacht/Contao/Leaflet/Model/LayerModel.php

@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * @package    dev
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2014 netzmacht creative David Molineus
+ * @license    LGPL 3.0
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\Model;
+
+
+class LayerModel extends \Model
+{
+    protected static $strTable = 'tl_leaflet_layer';
+
+}