reformat edit forms (#1192)

src/Form/Extension/IconExtension.php

@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Form\Extension;
+
+use Symfony\Component\Form\AbstractTypeExtension;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Form\FormView;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * Allows to register custom icons at form fields
+ */
+class IconExtension extends AbstractTypeExtension
+{
+    public static function getExtendedTypes(): iterable
+    {
+        return [TextType::class];
+    }
+
+    /**
+     * @param FormView $view
+     * @param FormInterface $form
+     * @param array $options
+     */
+    public function buildView(FormView $view, FormInterface $form, array $options)
+    {
+        $view->vars['icon'] = $options['icon'] ?? null;
+    }
+
+    /**
+     * @param OptionsResolver $resolver
+     */
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefined(['icon']);
+        $resolver->setAllowedTypes('icon', 'string');
+        $resolver->setDefault('icon', '');
+    }
+}