148 lines
4.4 KiB
Dart
148 lines
4.4 KiB
Dart
import 'package:aves/utils/constants.dart';
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import 'package:aves/utils/durations.dart';
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import 'package:aves/widgets/common/icons.dart';
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import 'package:aves/widgets/common/link_chip.dart';
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import 'package:aves/widgets/common/menu_row.dart';
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import 'package:collection/collection.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_staggered_animations/flutter_staggered_animations.dart';
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class Licenses extends StatefulWidget {
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@override
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_LicensesState createState() => _LicensesState();
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}
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class _LicensesState extends State<Licenses> {
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LicenseSort _sort = LicenseSort.name;
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List<Dependency> _packages;
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@override
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void initState() {
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super.initState();
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_packages = [...Constants.androidDependencies, ...Constants.flutterPackages];
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_sortPackages();
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}
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void _sortPackages() {
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_packages.sort((a, b) {
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switch (_sort) {
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case LicenseSort.license:
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final c = compareAsciiUpperCase(a.license, b.license);
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return c != 0 ? c : compareAsciiUpperCase(a.name, b.name);
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case LicenseSort.name:
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default:
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return compareAsciiUpperCase(a.name, b.name);
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}
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});
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}
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@override
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Widget build(BuildContext context) {
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return SliverPadding(
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padding: EdgeInsets.symmetric(horizontal: 8),
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sliver: SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, index) {
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if (index-- == 0) {
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return _buildHeader();
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}
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final child = LicenseRow(_packages[index]);
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return AnimationConfiguration.staggeredList(
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position: index,
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duration: Durations.staggeredAnimation,
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delay: Durations.staggeredAnimationDelay,
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child: SlideAnimation(
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verticalOffset: 50.0,
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child: FadeInAnimation(
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child: child,
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),
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),
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);
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},
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childCount: _packages.length + 1,
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),
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),
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);
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}
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Widget _buildHeader() {
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return Column(
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children: [
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Padding(
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padding: EdgeInsetsDirectional.only(start: 8),
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child: Row(
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children: [
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Expanded(
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child: Text(
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'Open-Source Licenses',
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style: Theme.of(context).textTheme.headline6.copyWith(fontFamily: 'Concourse Caps'),
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),
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),
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PopupMenuButton<LicenseSort>(
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itemBuilder: (context) => [
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PopupMenuItem(
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value: LicenseSort.name,
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child: MenuRow(text: 'Sort by name', checked: _sort == LicenseSort.name),
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),
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PopupMenuItem(
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value: LicenseSort.license,
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child: MenuRow(text: 'Sort by license', checked: _sort == LicenseSort.license),
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),
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],
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onSelected: (newSort) {
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_sort = newSort;
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_sortPackages();
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setState(() {});
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},
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tooltip: 'Sort',
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icon: Icon(AIcons.sort),
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),
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],
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),
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),
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SizedBox(height: 8),
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Padding(
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padding: EdgeInsets.symmetric(horizontal: 8),
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child: Text('The following sets forth attribution notices for third party software that may be contained in this application.'),
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),
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],
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);
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}
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}
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class LicenseRow extends StatelessWidget {
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final Dependency package;
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const LicenseRow(this.package);
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@override
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Widget build(BuildContext context) {
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final textTheme = Theme.of(context).textTheme;
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final bodyTextStyle = textTheme.bodyText2;
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final subColor = bodyTextStyle.color.withOpacity(.6);
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return Padding(
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padding: EdgeInsets.only(top: 16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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LinkChip(
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text: package.name,
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url: package.sourceUrl,
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textStyle: TextStyle(fontWeight: FontWeight.bold),
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),
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Padding(
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padding: EdgeInsetsDirectional.only(start: 16),
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child: LinkChip(
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text: package.license,
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url: package.licenseUrl,
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color: subColor,
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),
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),
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],
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),
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);
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}
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}
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enum LicenseSort { license, name }
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