added project detail report (#2651)

- avatars via css only
- random colors for entities
- improves print view
- added colors for teams
- added color to tag

src/Form/ColorTrait.php

@@ -0,0 +1,51 @@
+<?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;
+
+use App\Form\Type\ColorChoiceType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormEvent;
+use Symfony\Component\Form\FormEvents;
+
+trait ColorTrait
+{
+    protected function addColor(FormBuilderInterface $builder): void
+    {
+        $builder
+            ->add('color', ColorChoiceType::class, [
+                'required' => false,
+            ])
+        ;
+
+        // this code exists only for backward compatibility
+        $builder->addEventListener(
+            FormEvents::PRE_SET_DATA,
+            function (FormEvent $event) {
+                if (!$event->getForm()->getConfig()->hasOption('choices')) {
+                    return;
+                }
+
+                $data = $event->getData();
+                $choices = $event->getForm()->getConfig()->getOption('choices');
+                if (\is_object($data) && method_exists($data, 'getColor')) {
+                    $color = $data->getColor();
+                    if (!empty($color) && array_search($color, $choices) === false) {
+                        $choices[$color] = $color;
+                    }
+                }
+
+                $event->getForm()->add('color', ColorChoiceType::class, [
+                    'required' => false,
+                    'choices' => $choices,
+                ]);
+            }
+        );
+    }
+}