Added Input objects

src/AdminPanel/Form/EntityInput.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace AdminPanel\Form;
+
+use AdminPanel\AdminPanel;
+
+class EntityInput implements Input
+{
+    public function getOptions(): array
+    {
+        return array(
+            'label',
+            'entity'
+        );
+    }
+
+    public function processOption(string $optionName, $value): array
+    {
+        if ($optionName === 'entity') {
+            return array(
+                'entities' => AdminPanel::getInstance()->getEm()->getRepository($value)->findAll()
+            );
+        }
+        return array(
+            $optionName => $value
+        );
+    }
+
+    public function getTemplate(): string
+    {
+        return "@AdminPanel/form/entity.twig";
+    }
+}