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Make a 'refreshable_state' class which makes API requests easier

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This commit is contained in:
Oliver Walters
2020-04-15 11:39:29 +10:00
parent 5cc80ee3f4
commit 58f6fd0f15
2 changed files with 123 additions and 99 deletions
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161
lib/widget/location_display.dart
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@ -8,10 +8,10 @@ import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:InvenTree/widget/refreshable_state.dart';
class LocationDisplayWidget extends StatefulWidget {
LocationDisplayWidget(this.location, {Key key}) : super(key: key);
final InvenTreeStockLocation location;
@ -22,21 +22,15 @@ class LocationDisplayWidget extends StatefulWidget {
_LocationDisplayState createState() => _LocationDisplayState(location);
}
class _LocationDisplayState extends State<LocationDisplayWidget> {
BuildContext context;
_LocationDisplayState(this.location) {
}
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((_) => _requestData(context));
}
class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
final InvenTreeStockLocation location;
@override
String app_bar_title = "Stock Location";
_LocationDisplayState(this.location) {}
List<InvenTreeStockLocation> _sublocations = List<InvenTreeStockLocation>();
String _locationFilter = '';
@ -52,27 +46,8 @@ class _LocationDisplayState extends State<LocationDisplayWidget> {
List<InvenTreeStockItem> _items = List<InvenTreeStockItem>();
String get _title {
if (location == null) {
return "Stock Locations";
} else {
return "Stock Location - ${location.name}";
}
}
Future<void> _refresh() async {
await _requestData(context);
}
/*
* Request data from the server.
* It will be displayed once loaded
*
* - List of sublocations under this one
* - List of stock items at this location
*/
Future<void> _requestData(BuildContext context) async {
@override
Future<void> request(BuildContext context) async {
int pk = location?.pk ?? -1;
@ -146,75 +121,63 @@ class _LocationDisplayState extends State<LocationDisplayWidget> {
}
@override
Widget build(BuildContext context) {
Widget getBody(BuildContext context) {
// Save the context
this.context = context;
return Scaffold(
appBar: AppBar(
title: Text(_title),
),
drawer: new InvenTreeDrawer(context),
body: new RefreshIndicator(
onRefresh: _refresh,
child: ListView(
children: <Widget> [
locationDescriptionCard(),
ExpansionPanelList(
expansionCallback: (int index, bool isExpanded) {
setState(() {
switch (index) {
case 0:
InvenTreePreferences().expandLocationList = !isExpanded;
break;
case 1:
InvenTreePreferences().expandStockList = !isExpanded;
break;
default:
break;
}
});
return ListView(
children: <Widget> [
locationDescriptionCard(),
ExpansionPanelList(
expansionCallback: (int index, bool isExpanded) {
setState(() {
switch (index) {
case 0:
InvenTreePreferences().expandLocationList = !isExpanded;
break;
case 1:
InvenTreePreferences().expandStockList = !isExpanded;
break;
default:
break;
}
});
},
children: <ExpansionPanel> [
ExpansionPanel(
headerBuilder: (BuildContext context, bool isExpanded) {
return ListTile(
title: Text("Sublocations"),
leading: FaIcon(FontAwesomeIcons.mapMarkerAlt),
trailing: Text("${_sublocations.length}"),
onTap: () {
setState(() {
InvenTreePreferences().expandLocationList = !InvenTreePreferences().expandLocationList;
});
},
);
},
children: <ExpansionPanel> [
ExpansionPanel(
headerBuilder: (BuildContext context, bool isExpanded) {
return ListTile(
title: Text("Sublocations"),
leading: FaIcon(FontAwesomeIcons.mapMarkerAlt),
trailing: Text("${_sublocations.length}"),
onTap: () {
setState(() {
InvenTreePreferences().expandLocationList = !InvenTreePreferences().expandLocationList;
});
},
);
},
body: SublocationList(_sublocations),
isExpanded: InvenTreePreferences().expandLocationList && _sublocations.length > 0,
),
ExpansionPanel(
headerBuilder: (BuildContext context, bool isExpanded) {
return ListTile(
title: Text("Stock Items"),
leading: FaIcon(FontAwesomeIcons.boxes),
trailing: Text("${_items.length}"),
onTap: () {
setState(() {
InvenTreePreferences().expandStockList = !InvenTreePreferences().expandStockList;
});
},
);
},
body: StockList(_items),
isExpanded: InvenTreePreferences().expandStockList && _items.length > 0,
)
]
body: SublocationList(_sublocations),
isExpanded: InvenTreePreferences().expandLocationList && _sublocations.length > 0,
),
ExpansionPanel(
headerBuilder: (BuildContext context, bool isExpanded) {
return ListTile(
title: Text("Stock Items"),
leading: FaIcon(FontAwesomeIcons.boxes),
trailing: Text("${_items.length}"),
onTap: () {
setState(() {
InvenTreePreferences().expandStockList = !InvenTreePreferences().expandStockList;
});
},
);
},
body: StockList(_items),
isExpanded: InvenTreePreferences().expandStockList && _items.length > 0,
)
]
)
)
),
]
);
}
}