[Gallery] Fix directory structure (#312)

gallery/lib/studies/crane/eat_form.dart

@@ -0,0 +1,51 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+import 'package:gallery/l10n/gallery_localizations.dart';
+import 'package:gallery/studies/crane/backlayer.dart';
+import 'package:gallery/studies/crane/header_form.dart';
+
+class EatForm extends BackLayerItem {
+  EatForm({int index}) : super(index: index);
+
+  @override
+  _EatFormState createState() => _EatFormState();
+}
+
+class _EatFormState extends State<EatForm> {
+  final dinerController = TextEditingController();
+  final dateController = TextEditingController();
+  final timeController = TextEditingController();
+  final locationController = TextEditingController();
+
+  @override
+  Widget build(BuildContext context) {
+    return HeaderForm(
+      fields: <HeaderFormField>[
+        HeaderFormField(
+          iconData: Icons.person,
+          title: GalleryLocalizations.of(context).craneFormDiners,
+          textController: dinerController,
+        ),
+        HeaderFormField(
+          iconData: Icons.date_range,
+          title: GalleryLocalizations.of(context).craneFormDate,
+          textController: dateController,
+        ),
+        HeaderFormField(
+          iconData: Icons.access_time,
+          title: GalleryLocalizations.of(context).craneFormTime,
+          textController: timeController,
+        ),
+        HeaderFormField(
+          iconData: Icons.restaurant_menu,
+          title: GalleryLocalizations.of(context).craneFormLocation,
+          textController: locationController,
+        ),
+      ],
+    );
+  }
+}