Implement boundsMode fit.

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

@@ -11,6 +11,10 @@
 
 namespace Netzmacht\Contao\Leaflet\Model;
 
+use Netzmacht\Contao\Leaflet\Filter\BboxFilter;
+use Netzmacht\Contao\Leaflet\Filter\Filter;
+use Netzmacht\LeafletPHP\Definition\Type\LatLngBounds;
+
 /**
  * Class MarkerModel for the tl_leaflet_marker table.
  *
@@ -24,4 +28,53 @@ class MarkerModel extends AbstractActiveModel
      * @var string
      */
     protected static $strTable = 'tl_leaflet_marker';
+
+    /**
+     * @param        $pid
+     * @param Filter $filter
+     *
+     * @return \Model\Collection|null
+     */
+    public static function findByFilter($pid, Filter $filter = null)
+    {
+        if (!$filter) {
+            return MarkerModel::findActiveBy('pid', $pid, array('order' => 'sorting'));
+        }
+
+        switch ($filter->getName()) {
+            case 'bbox':
+                return static::findByBBoxFilter($pid, $filter);
+
+            default:
+                return null;
+        }
+    }
+
+    /**
+     * @param            $pid
+     * @param BboxFilter $filter
+     *
+     * @return \Model\Collection|null
+     */
+    public static function findByBBoxFilter($pid, BboxFilter $filter)
+    {
+        $columns = array(
+            'active=1',
+            'pid=?',
+            'latitude > ? AND latitude < ?',
+            'longitude > ? AND longitude < ?'
+        );
+
+        /** @var LatLngBounds $bounds */
+        $bounds = $filter->getValues()['bounds'];
+        $values = array(
+            $pid,
+            $bounds->getSouthWest()->getLatitude(),
+            $bounds->getNorthEast()->getLatitude(),
+            $bounds->getSouthWest()->getLongitude(),
+            $bounds->getNorthEast()->getLongitude()
+        );
+
+        return static::findBy($columns, $values, array('order' => 'sorting'));
+    }
 }