97 lines
3 KiB
Dart
97 lines
3 KiB
Dart
import 'package:flutter/material.dart';
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import 'devices.dart';
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void main() {
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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// This widget is the root of your application.
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'SmartHome',
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theme: ThemeData(
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
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useMaterial3: true,
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),
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home: const MyHomePage(title: 'SmartHome Main Page'),
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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final String title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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List<bool> expanded = [];
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@override
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Widget build(BuildContext context) {
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return FutureBuilder<List<Category>>(
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future: Category.fetch(),
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builder: (context, AsyncSnapshot<List<Category>> categories) {
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if (!categories.hasData) {
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return const Text("still loading");
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}
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final data = categories.data!;
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final category_count = data.length;
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if (category_count > expanded.length) {
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final int diff = category_count - expanded.length;
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final List<bool> diff_list = List<bool>.filled(diff, true);
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expanded.addAll(diff_list);
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} else if (category_count < expanded.length) {
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final int diff = expanded.length - category_count;
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expanded = List<bool>.filled(diff, false);
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}
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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title: Text(widget.title),
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),
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body: Column(children: [
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Container(
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margin: const EdgeInsets.all(15.0),
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padding: const EdgeInsets.all(15.0),
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child: ExpansionPanelList(
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expansionCallback: (int index, bool expand) {
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setState(() {
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expanded[index] = expand;
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});
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},
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children: data.asMap().entries.map(
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(category) {
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final CategoryWidget widget =
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CategoryWidget(category: category.value);
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return ExpansionPanel(
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headerBuilder:
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(BuildContext context, bool isExpanded) {
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return ListTile(title: Text(widget.Name()));
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},
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body: widget,
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isExpanded: expanded[category.key],
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backgroundColor: Colors.grey[200],
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canTapOnHeader: true,
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);
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},
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).toList()))
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]));
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});
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}
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}
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