Move layers configuration.

src/Backend/Renderer/Label/Layer/ChainRenderer.php

@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * Leaflet maps for Contao CMS.
+ *
+ * @package    contao-leaflet-maps
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016-2017 netzmacht David Molineus. All rights reserved.
+ * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-maps/blob/master/LICENSE
+ * @filesource
+ */
+
+declare(strict_types=1);
+
+namespace Netzmacht\Contao\Leaflet\Backend\Renderer\Label\Layer;
+
+use Symfony\Component\Translation\TranslatorInterface as Translator;
+
+/**
+ * Class ChainRenderer.
+ *
+ * @package Netzmacht\Contao\Leaflet\Backend\Renderer\Label\Layer
+ */
+final class ChainRenderer implements LayerLabelRenderer
+{
+    /**
+     * List of layer label renderer.
+     *
+     * @var array|LayerLabelRenderer[]
+     */
+    private $renderer;
+
+    /**
+     * ChainRenderer constructor.
+     *
+     * @param array|LayerLabelRenderer[] $renderer List of layer label renderer.
+     */
+    public function __construct($renderer)
+    {
+        $this->renderer = $renderer;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function supports(array $row): bool
+    {
+        foreach ($this->renderer as $renderer) {
+            if ($renderer->supports($row)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function render(array $row, string $label, Translator $translator): string
+    {
+        foreach ($this->renderer as $renderer) {
+            if ($renderer->supports($row)) {
+                return $renderer->render($row, $label, $translator);
+            }
+        }
+
+        return $label;
+    }
+}