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Bundle text widgets and refactor performances row

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This commit is contained in:
Elias Projahn 2020-04-06 11:15:05 +02:00
parent 3a9a3100fc
commit 40db00d88d
5 changed files with 121 additions and 116 deletions
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26
lib/widgets/ensemble_text.dart
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@ -1,26 +0,0 @@
import 'package:flutter/material.dart';
import '../backend.dart';
import '../database.dart';
class EnsembleText extends StatelessWidget {
final int ensembleId;
EnsembleText(this.ensembleId);
@override
Widget build(BuildContext context) {
final backend = Backend.of(context);
return StreamBuilder<Ensemble>(
stream: backend.db.ensembleById(ensembleId).watchSingle(),
builder: (context, snapshot) {
if (snapshot.hasData) {
return Text(snapshot.data.name);
} else {
return Container();
}
},
);
}
}

42
lib/widgets/performance_row.dart
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@ -1,42 +0,0 @@
import 'package:flutter/material.dart';
import '../backend.dart';
import '../database.dart';
import 'person_text.dart';
import 'ensemble_text.dart';
class PerformanceRow extends StatelessWidget {
final Performance performance;
PerformanceRow(this.performance);
@override
Widget build(BuildContext context) {
final backend = Backend.of(context);
return Row(
children: <Widget>[
if (performance.person != null)
PersonText(performance.person)
else if (performance.ensemble != null)
EnsembleText(performance.ensemble),
if (performance.role != null) ...[
SizedBox(
width: 4.0,
),
StreamBuilder<Instrument>(
stream: backend.db.instrumentById(performance.role).watchSingle(),
builder: (context, snapshot) {
if (snapshot.hasData) {
return Text('(${snapshot.data.name})');
} else {
return Container();
}
},
),
],
],
);
}
}

26
lib/widgets/person_text.dart
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@ -1,26 +0,0 @@
import 'package:flutter/material.dart';
import '../backend.dart';
import '../database.dart';
class PersonText extends StatelessWidget {
final int personId;
PersonText(this.personId);
@override
Widget build(BuildContext context) {
final backend = Backend.of(context);
return StreamBuilder<Person>(
stream: backend.db.personById(personId).watchSingle(),
builder: (context, snapshot) {
if (snapshot.hasData) {
return Text('${snapshot.data.firstName} ${snapshot.data.lastName}');
} else {
return Container();
}
},
);
}
}

116
lib/widgets/texts.dart Normal file
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@ -0,0 +1,116 @@
import 'dart:async';
import 'package:flutter/material.dart';
import '../backend.dart';
import '../database.dart';
class EnsembleText extends StatelessWidget {
final int ensembleId;
EnsembleText(this.ensembleId);
@override
Widget build(BuildContext context) {
final backend = Backend.of(context);
return StreamBuilder<Ensemble>(
stream: backend.db.ensembleById(ensembleId).watchSingle(),
builder: (context, snapshot) {
if (snapshot.hasData) {
return Text(snapshot.data.name);
} else {
return Container();
}
},
);
}
}
class PersonText extends StatelessWidget {
final int personId;
PersonText(this.personId);
@override
Widget build(BuildContext context) {
final backend = Backend.of(context);
return StreamBuilder<Person>(
stream: backend.db.personById(personId).watchSingle(),
builder: (context, snapshot) {
if (snapshot.hasData) {
return Text('${snapshot.data.firstName} ${snapshot.data.lastName}');
} else {
return Container();
}
},
);
}
}
class PerformancesText extends StatefulWidget {
final int recordingId;
PerformancesText(this.recordingId);
@override
_PerformancesTextState createState() => _PerformancesTextState();
}
class _PerformancesTextState extends State<PerformancesText> {
BackendState backend;
StreamSubscription<List<Performance>> performancesSubscription;
String text = '...';
@override
void didChangeDependencies() {
super.didChangeDependencies();
performancesSubscription?.cancel();
backend = Backend.of(context);
performancesSubscription = backend.db
.performancesByRecording(widget.recordingId)
.watch()
.listen((performances) async {
final List<String> texts = [];
for (final performance in performances) {
final buffer = StringBuffer();
if (performance.person != null) {
final person = await backend.db.personById(performance.person).getSingle();
buffer.write('${person.firstName} ${person.lastName}');
} else if (performance.ensemble != null) {
final ensemble = await backend.db.ensembleById(performance.ensemble).getSingle();
buffer.write(ensemble.name);
} else {
buffer.write('Unknown');
}
if (performance.role != null) {
final role = await backend.db.instrumentById(performance.role).getSingle();
buffer.write(' (${role.name})');
}
texts.add(buffer.toString());
}
setState(() {
text = texts.join(', ');
});
});
}
@override
Widget build(BuildContext context) {
return Text(text);
}
@override
void dispose() {
super.dispose();
performancesSubscription?.cancel();
}
}