Add reference layer.

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

@@ -12,7 +12,7 @@
 namespace Netzmacht\Contao\Leaflet\Model;
 
 
-trait ActiveTrait
+abstract class AbstractActiveModel extends \Model
 {
     /**
      *
@@ -28,14 +28,14 @@ trait ActiveTrait
 
     /**
      *
-     * @param int   $modelId
+     * @param int   $value
      * @param array $options
      *
      * @return \Model|null
      */
-    public static function findActiveByPid($modelId, $options = array())
+    public static function findActiveBy($column, $value, $options = array())
     {
-        return static::findBy('active=1 AND pid', $modelId, $options);
+        return static::findBy('active=1 AND ' . $column, $value, $options);
     }
 
     public static function findActivated($options = array())

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

@@ -11,7 +11,7 @@
 
 namespace Netzmacht\Contao\Leaflet\Model;
 
-class ControlModel extends \Model
+class ControlModel extends AbstractActiveModel
 {
     protected static $strTable = 'tl_leaflet_control';
 }

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

@@ -21,9 +21,7 @@ namespace Netzmacht\Contao\Leaflet\Model;
  * @property mixed|null shadowRetinaImage
  * @property mixed|null shadowImage
  */
-class IconModel extends \Model
+class IconModel extends AbstractActiveModel
 {
-    use ActiveTrait;
-
     protected static $strTable = 'tl_leaflet_icon';
 }

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

@@ -12,7 +12,7 @@
 namespace Netzmacht\Contao\Leaflet\Model;
 
 
-class LayerModel extends \Model
+class LayerModel extends AbstractActiveModel
 {
     protected static $strTable = 'tl_leaflet_layer';
 

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

@@ -12,9 +12,7 @@
 namespace Netzmacht\Contao\Leaflet\Model;
 
 
-class StyleModel extends \Model
+class StyleModel extends AbstractActiveModel
 {
-    use ActiveTrait;
-
     protected static $strTable = 'tl_leaflet_style';
 }