Added a simple autocomplete mechanism for the footprint URL.

src/Controller/TypeaheadController.php

@@ -0,0 +1,69 @@
+<?php
+/**
+ *
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 Jan Böhmer
+ * https://github.com/jbtronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ */
+
+namespace App\Controller;
+
+
+use App\Services\BuiltinAttachmentsFinder;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Serializer\Encoder\JsonEncoder;
+use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
+use Symfony\Component\Serializer\Serializer;
+
+/**
+ * In this controller the endpoints for the typeaheads are collected
+ * @Route("/typeahead")
+ * @package App\Controller
+ */
+class TypeaheadController extends AbstractController
+{
+    /**
+     * @Route("/builtInRessources/search/{query}", name="typeahead_builtInRessources", requirements={"query"= ".+"})
+     */
+    public function builtInRessources(Request $request, string $query, BuiltinAttachmentsFinder $finder)
+    {
+        $array = $finder->find($query);
+
+
+        $normalizers = [
+            new ObjectNormalizer()
+        ];
+        $encoders =  [
+            new JsonEncoder()
+        ];
+        $serializer = new Serializer($normalizers, $encoders);
+        $data = $serializer->serialize($array, 'json');
+        return new JsonResponse($data, 200, [], true);
+    }
+}

src/Form/AttachmentFormType.php

@@ -45,6 +45,8 @@ use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\Extension\Core\Type\UrlType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Symfony\Component\Routing\RouterInterface;
 use Symfony\Component\Validator\Constraints\File;
 use Symfony\Component\Validator\Constraints\Url;
 use Symfony\Contracts\Translation\TranslatorInterface;
@@ -53,11 +55,13 @@ class AttachmentFormType extends AbstractType
 {
     protected $attachment_helper;
     protected $trans;
+    protected $urlGenerator;
 
-    public function __construct(AttachmentHelper $attachmentHelper, TranslatorInterface $trans)
+    public function __construct(AttachmentHelper $attachmentHelper, TranslatorInterface $trans, UrlGeneratorInterface $urlGenerator)
     {
         $this->attachment_helper = $attachmentHelper;
         $this->trans = $trans;
+        $this->urlGenerator = $urlGenerator;
     }
 
     public function buildForm(FormBuilderInterface $builder, array $options)
@@ -79,6 +83,8 @@ class AttachmentFormType extends AbstractType
         $builder->add('url', TextType::class, [
             'label' =>  $this->trans->trans('attachment.edit.url'),
             'required' => false,
+            'attr' => ['data-autocomplete' => $this->urlGenerator->generate('typeahead_builtInRessources', ['query' => 'QUERY'])
+            ],
             'constraints' => [
                 $options['allow_builtins'] ? new UrlOrBuiltin() : new Url()
             ]

src/Services/BuiltinAttachmentsFinder.php

@@ -59,7 +59,7 @@ class BuiltinAttachmentsFinder
         ]);
     }
 
-    public function find(string $keyword, array $options) : array
+    public function find(string $keyword, array $options = []) : array
     {
         $finder = new Finder();
 
@@ -67,9 +67,20 @@ class BuiltinAttachmentsFinder
         $this->configureOptions($resolver);
         $options = $resolver->resolve($options);
 
+        if (empty($options['placeholders'])) {
+            return [];
+        }
+
         //We search only files
         $finder->files();
-        $finder->in($this->pathResolver->getFootprintsPath());
+        //Add the folder for each placeholder
+        foreach ($options['placeholders'] as $placeholder) {
+            $tmp = $this->pathResolver->placeholderToRealPath($placeholder);
+            //Ignore invalid/deactivated placeholders:
+            if ($tmp !== null) {
+                $finder->in($tmp);
+            }
+        }
 
         //Apply filter if needed
         if (!empty($options['filename_filter'])) {