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samples/web/charts/lib/gallery_scaffold.dart

68 lines
2.0 KiB

// Copyright 2018 the Charts project authors. Please see the AUTHORS file
// for details.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
typedef GalleryWidgetBuilder = Widget Function();
/// Helper to build gallery.
class GalleryScaffold extends StatefulWidget {
/// The widget used for leading in a [ListTile].
final Widget? listTileIcon;
final String title;
final String subtitle;
final GalleryWidgetBuilder childBuilder;
const GalleryScaffold(
{this.listTileIcon,
required this.title,
required this.subtitle,
required this.childBuilder,
Key? key})
: super(key: key);
/// Gets the gallery
Widget buildGalleryListTile(BuildContext context) => ListTile(
leading: listTileIcon,
title: Text(title),
subtitle: Text(subtitle),
onTap: () {
Navigator.push(context, MaterialPageRoute(builder: (_) => this));
});
@override
_GalleryScaffoldState createState() => _GalleryScaffoldState();
}
class _GalleryScaffoldState extends State<GalleryScaffold> {
void _handleButtonPress() {
setState(() {});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text(widget.title)),
body: Padding(
padding: const EdgeInsets.all(8.0),
child: Column(children: [
SizedBox(height: 250.0, child: widget.childBuilder()),
])),
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.refresh), onPressed: _handleButtonPress),
);
}
}