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mobile: Use search and pagination

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This commit is contained in:
Elias Projahn 2020-05-03 21:33:39 +02:00
parent 198391ca96
commit 06cb32000a
3 changed files with 327 additions and 119 deletions
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54
mobile/lib/selectors/instruments.dart
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@ -3,6 +3,7 @@ import 'package:musicus_database/musicus_database.dart';
import '../backend.dart';
import '../editors/instrument.dart';
import '../widgets/lists.dart';
class InstrumentsSelector extends StatefulWidget {
final bool multiple;
@ -18,7 +19,10 @@ class InstrumentsSelector extends StatefulWidget {
}
class _InstrumentsSelectorState extends State<InstrumentsSelector> {
final _list = GlobalKey<PagedListViewState<Instrument>>();
Set<Instrument> selection = {};
String _search;
@override
void initState() {
@ -47,15 +51,36 @@ class _InstrumentsSelectorState extends State<InstrumentsSelector> {
]
: null,
),
body: FutureBuilder<List<Instrument>>(
future: backend.client.getInstruments(),
builder: (context, snapshot) {
if (snapshot.hasData) {
return ListView.builder(
itemCount: snapshot.data.length,
itemBuilder: (context, index) {
final instrument = snapshot.data[index];
body: Column(
children: <Widget>[
Material(
elevation: 2.0,
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 4.0,
),
child: TextField(
autofocus: true,
onChanged: (text) {
setState(() {
_search = text;
});
},
decoration: InputDecoration.collapsed(
hintText: 'Search by name...',
),
),
),
),
Expanded(
child: PagedListView<Instrument>(
key: _list,
search: _search,
fetch: (page, search) async {
return await backend.client.getInstruments(page, search);
},
builder: (context, instrument) {
if (widget.multiple) {
return CheckboxListTile(
title: Text(instrument.name),
@ -78,11 +103,9 @@ class _InstrumentsSelectorState extends State<InstrumentsSelector> {
);
}
},
);
} else {
return Container();
}
},
),
),
],
),
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.add),
@ -99,6 +122,9 @@ class _InstrumentsSelectorState extends State<InstrumentsSelector> {
setState(() {
selection.add(instrument);
});
// We need to rebuild the list view, because we added an item.
_list.currentState.update();
} else {
Navigator.pop(context, instrument);
}