Rework marker dca callbacks to a service listener.

src/Listener/Dca/MarkerDcaListener.php

@@ -10,8 +10,10 @@
  * @filesource
  */
 
-namespace Netzmacht\Contao\Leaflet\Dca;
+namespace Netzmacht\Contao\Leaflet\Listener\Dca;
 
+use Contao\Controller;
+use Doctrine\DBAL\Connection;
 use Netzmacht\Contao\Toolkit\Dca\Options\OptionsBuilder;
 use Netzmacht\Contao\Leaflet\Model\IconModel;
 use Netzmacht\Contao\Leaflet\Model\PopupModel;
@@ -21,8 +23,35 @@ use Netzmacht\Contao\Leaflet\Model\PopupModel;
  *
  * @package Netzmacht\Contao\Leaflet\Dca
  */
-class MarkerCallbacks
+class MarkerDcaListener
 {
+    /**
+     * Database connection.
+     *
+     * @var Connection
+     */
+    private $connection;
+
+    /**
+     * MarkerDcaListener constructor.
+     *
+     * @param Connection $connection Database connection.
+     */
+    public function __construct(Connection $connection)
+    {
+        $this->connection = $connection;
+    }
+
+    /**
+     * Initialize the language files.
+     *
+     * @return void
+     */
+    public function initialize(): void
+    {
+        Controller::loadLanguageFile('leaflet');
+    }
+
     /**
      * Generate the row label.
      *
@@ -92,10 +121,7 @@ class MarkerCallbacks
             }
         }
 
-        \Database::getInstance()
-            ->prepare('UPDATE tl_leaflet_marker %s WHERE id=?')
-            ->set($combined)
-            ->execute($dataContainer->id);
+        $this->connection->update('tl_leaflet_marker', $combined, ['id' => $dataContainer->id]);
 
         return null;
     }
@@ -112,21 +138,23 @@ class MarkerCallbacks
      */
     public function loadCoordinates($value, $dataContainer)
     {
-        $result = \Database::getInstance()
-            ->prepare('SELECT latitude, longitude, altitude FROM tl_leaflet_marker WHERE id=?')
-            ->execute($dataContainer->id);
+        $query     = 'SELECT latitude, longitude, altitude FROM tl_leaflet_marker WHERE id=:id';
+        $statement = $this->connection->prepare($query);
+        $statement->bindValue('id', $dataContainer->id);
 
-        if ($result->numRows) {
-            $buffer = $result->latitude;
+        $statement->execute();
 
-            if ($buffer && $result->longitude) {
-                $buffer .= ',' . $result->longitude;
+        if ($row = $statement->fetch()) {
+            $buffer = $row['latitude'];
+
+            if ($buffer && $row['longitude']) {
+                $buffer .= ',' . $row['longitude'];
             } else {
                 return $buffer;
             }
 
-            if ($buffer && $result->altitude) {
-                $buffer .= ',' . $result->longitude;
+            if ($buffer && $row['altitude']) {
+                $buffer .= ',' . $row['altitude'];
             }
 
             return $buffer;

src/Resources/config/listeners.yml

@@ -21,3 +21,8 @@ services:
       - '%netzmacht.contao_leaflet_maps.layers%'
       - '%netzmacht.contao_leaflet_maps.providers%'
       - '%netzmacht.contao_leaflet_maps.amenities%'
+
+  netzmacht.contao_leaflet_maps.listeners.dca.marker:
+    class: Netzmacht\Contao\Leaflet\Listener\Dca\MarkerDcaListener
+    arguments:
+      - '@database_connection'

src/Resources/contao/dca/tl_leaflet_marker.php

@@ -26,9 +26,7 @@ $GLOBALS['TL_DCA']['tl_leaflet_marker'] = array
             )
         ),
         'onload_callback' => array(
-            function () {
-                \Controller::loadLanguageFile('leaflet');
-            }
+            ['netzmacht.contao_leaflet_maps.listeners.dca.marker', 'initialize'],
         ),
         'onsubmit_callback' => [
             \Netzmacht\Contao\Leaflet\Dca\LeafletCallbacks::callback('clearCache'),
@@ -44,7 +42,7 @@ $GLOBALS['TL_DCA']['tl_leaflet_marker'] = array
             'flag'                    => 1,
             'panelLayout'             => 'sort,filter;search,limit',
             'headerFields'            => array('title', 'type'),
-            'child_record_callback'   => array('Netzmacht\Contao\Leaflet\Dca\MarkerCallbacks', 'generateRow'),
+            'child_record_callback'   => array('netzmacht.contao_leaflet_maps.listeners.dca.marker\'', 'generateRow'),
         ),
         'label' => array
         (
@@ -195,10 +193,10 @@ $GLOBALS['TL_DCA']['tl_leaflet_marker'] = array
             'inputType'     => 'text',
             'save_callback' => array(
                 \Netzmacht\Contao\Leaflet\Dca\Validator::callback('validateCoordinates'),
-                array('Netzmacht\Contao\Leaflet\Dca\MarkerCallbacks', 'saveCoordinates')
+                array('netzmacht.contao_leaflet_maps.listeners.dca.marker', 'saveCoordinates')
             ),
             'load_callback' => array(
-                array('Netzmacht\Contao\Leaflet\Dca\MarkerCallbacks', 'loadCoordinates')
+                array('netzmacht.contao_leaflet_maps.listeners.dca.marker', 'loadCoordinates')
             ),
             'wizard'        => array(
                 Netzmacht\Contao\Leaflet\Dca\LeafletCallbacks::callback('getGeocoder')
@@ -278,7 +276,7 @@ $GLOBALS['TL_DCA']['tl_leaflet_marker'] = array
             'label'     => &$GLOBALS['TL_LANG']['tl_leaflet_marker']['popup'],
             'exclude'   => true,
             'inputType' => 'select',
-            'options_callback' => array('Netzmacht\Contao\Leaflet\Dca\MarkerCallbacks', 'getPopups'),
+            'options_callback' => ['netzmacht.contao_leaflet_maps.listeners.dca.marker', 'getPopups'],
             'eval'      => array(
                 'mandatory'          => false,
                 'tl_class'           => 'w50',
@@ -309,7 +307,7 @@ $GLOBALS['TL_DCA']['tl_leaflet_marker'] = array
             'label'     => &$GLOBALS['TL_LANG']['tl_leaflet_marker']['icon'],
             'exclude'   => true,
             'inputType' => 'select',
-            'options_callback' => array('Netzmacht\Contao\Leaflet\Dca\MarkerCallbacks', 'getIcons'),
+            'options_callback' => array('netzmacht.contao_leaflet_maps.listeners.dca.marker', 'getIcons'),
             'eval'      => array(
                  'mandatory'  => true,
                  'tl_class'   => 'w50',