DataTypeString/Number-Hook: Add simple hooks

refs #9716

library/Director/DataType/DataTypeNumber.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Icinga\Module\Director\DataType;
+
+use Icinga\Module\Director\Web\Form\QuickForm;
+use Icinga\Module\Director\Web\Hook\DataTypeHook;
+
+class DataTypeNumber extends DataTypeHook
+{
+    public function getFormElement(QuickForm $form)
+    {
+        $element = $form->createElement('text', 'foo', array(
+            'label' => $this->translate('Number Element..'),
+            'required'    => true,
+        ));
+
+        return $element;
+    }
+
+    public static function getFormat()
+    {
+        return 'json';
+    }
+}

library/Director/DataType/DataTypeString.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Icinga\Module\Director\DataType;
+
+use Icinga\Module\Director\Web\Form\QuickForm;
+use Icinga\Module\Director\Web\Hook\DataTypeHook;
+
+class DataTypeString extends DataTypeHook
+{
+    public function getFormElement(QuickForm $form)
+    {
+        $element = $form->createElement('text', 'foo', array(
+            'label' => $this->translate('String Element..'),
+            'required'    => true,
+        ));
+
+        return $element;
+    }
+}