82 lines
2.3 KiB
Dart
82 lines
2.3 KiB
Dart
import 'package:flutter/material.dart';
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import '../corpus.dart';
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import '../formula_models.dart';
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class UnitList extends StatefulWidget {
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final UnitCorpus corpus;
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const UnitList({super.key, required this.corpus});
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@override
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State<UnitList> createState() => _UnitListState();
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}
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class _UnitListState extends State<UnitList> {
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final TextEditingController _searchController = TextEditingController();
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String _searchQuery = '';
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@override
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void initState() {
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super.initState();
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_searchController.addListener(_onSearchChanged);
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}
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void _onSearchChanged() {
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setState(() {
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_searchQuery = _searchController.text.toLowerCase();
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});
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}
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@override
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void dispose() {
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_searchController.dispose();
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super.dispose();
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}
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List<UnitSpec> get _filteredUnits {
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bool filter(UnitSpec unit) => unit.name.toLowerCase().contains(_searchQuery);
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return widget.corpus.allUnits().where(filter).toList();
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}
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// Add unit conversion to base unit to the unit widget AI!
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Units List'),
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),
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body: Column(
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children: [
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Padding(
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padding: const EdgeInsets.all(16.0),
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child: TextField(
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controller: _searchController,
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decoration: const InputDecoration(
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labelText: 'Search units',
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hintText: 'Start typing unit name...',
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prefixIcon: Icon(Icons.search),
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border: OutlineInputBorder(),
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),
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),
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),
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Expanded(
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child: ListView.builder(
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itemCount: _filteredUnits.length,
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itemBuilder: (context, index) {
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final unit = _filteredUnits[index];
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return ListTile(
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title: Text(unit.name),
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subtitle: Text('Symbol: ${unit.symbol} • Base unit: ${unit.baseUnit}'),
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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tileColor: index.isEven
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? Theme.of(context).colorScheme.surfaceVariant.withOpacity(0.3)
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: null,
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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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}
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}
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