inventree/inventree-app
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Add connection status display to home screen

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- Also add some buttons which replicate the functionality available in the app drawer
This commit is contained in:
Oliver Walters 2020-04-04 14:01:44 +11:00
parent 055cc37e68
commit a18a0222ce
2 changed files with 163 additions and 17 deletions
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178
lib/main.dart
View File

@ -1,3 +1,5 @@
import 'dart:async';
import 'package:InvenTree/inventree/stock.dart';
import 'package:InvenTree/widget/category_display.dart';
import 'package:InvenTree/widget/location_display.dart';
@ -102,7 +104,80 @@ class MyHomePage extends StatefulWidget {
class _MyHomePageState extends State<MyHomePage> {
_MyHomePageState() : super();
_MyHomePageState() : super() {
_checkServerConnection();
}
String _serverAddress = "";
String _serverStatus = "Connecting to server";
String _serverMessage = "";
bool _serverConnection = false;
Color _serverStatusColor = Color.fromARGB(255, 50, 50, 250);
/*
* Test the server connection
*/
void _checkServerConnection() async {
var prefs = await SharedPreferences.getInstance();
print("Checking server connection");
_serverAddress = prefs.getString("server");
InvenTreeAPI().connect().then((bool result) {
print("Connection status: $result");
_serverConnection = result;
if (_serverConnection) {
_serverStatus = "Connected to server: $_serverAddress";
_serverMessage = "";
_serverStatusColor = Color.fromARGB(255, 50, 250, 50);
} else {
_serverStatus = "Could not connect to server: $_serverAddress";
_serverStatusColor = Color.fromARGB(255, 250, 50, 50);
}
setState(() {});
}).catchError((e) {
_serverConnection = false;
if (e is TimeoutException) {
_serverMessage = "No response from server";
} else {
_serverMessage = e.toString();
}
print("Server error: $_serverMessage");
setState(() {});
});
}
void _search() {
// TODO
}
void _scan() {
scanQrCode(context);
}
void _parts() {
Navigator.push(context, MaterialPageRoute(builder: (context) => CategoryDisplayWidget(null)));
}
void _stock() {
Navigator.push(context, MaterialPageRoute(builder: (context) => LocationDisplayWidget(null)));
}
void _suppliers() {
// TODO
}
@override
Widget build(BuildContext context) {
@ -130,24 +205,93 @@ class _MyHomePageState extends State<MyHomePage> {
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Invoke "debug painting" (press "p" in the console, choose the
// "Toggle Debug Paint" action from the Flutter Inspector in Android
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
// to see the wireframe for each widget.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'InvenTree',
Spacer(),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
Column(
children: <Widget>[
IconButton(
icon: new Icon(Icons.search),
tooltip: 'Search',
onPressed: _search,
),
Text("Search"),
],
),
Column(
children: <Widget>[
IconButton(
icon: new Icon(Icons.search),
tooltip: 'Scan Barcode',
onPressed: _scan,
),
Text("Scan Barcode"),
],
),
],
),
Spacer(),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
Column(
children: <Widget>[
IconButton(
icon: new Icon(Icons.category),
tooltip: 'Parts',
onPressed: _parts,
),
Text("Parts"),
],
),
Column(
children: <Widget>[
IconButton(
icon: new Icon(Icons.map),
tooltip: 'Stock',
onPressed: _stock,
),
Text('Stock'),
],
),
Column(
children: <Widget>[
IconButton(
icon: new Icon(Icons.business),
tooltip: 'Suppliers',
onPressed: _suppliers,
),
Text("Suppliers"),
]
)
],
),
Spacer(),
Row(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Expanded(
child: Card(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Text('$_serverStatus',
style: TextStyle(
color: _serverStatusColor,
),
),
Text('$_serverMessage'
),
],
),
),
),
],
),
],
),

2
lib/widget/drawer.dart
View File

@ -84,6 +84,7 @@ class InvenTreeDrawer extends StatelessWidget {
new ListTile(
title: new Text("Scan"),
onTap: _scan,
leading: new Icon(Icons.search),
),
new Divider(),
new ListTile(
@ -97,6 +98,7 @@ class InvenTreeDrawer extends StatelessWidget {
),
new ListTile(
title: new Text("Suppliers"),
leading: new Icon(Icons.business),
onTap: null,
),
new Divider(),