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ha_client/lib/main.dart

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import 'dart:convert';
import 'dart:async';
import 'package:flutter/rendering.dart';
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import 'package:http/http.dart' as http;
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:web_socket_channel/io.dart';
import 'package:web_socket_channel/status.dart' as socketStatus;
import 'package:progress_indicators/progress_indicators.dart';
part 'settings.dart';
part 'data_model.dart';
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void main() => runApp(new HassClientApp());
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class HassClientApp extends StatelessWidget {
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// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Hass Client',
theme: new ThemeData(
primarySwatch: Colors.blue,
),
initialRoute: "/",
routes: {
"/": (context) => MainPage(title: 'Hass Client'),
"/settings": (context) => SettingsPage(title: "Settings")
},
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);
}
}
class MainPage extends StatefulWidget {
MainPage({Key key, this.title}) : super(key: key);
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final String title;
@override
_MainPageState createState() => new _MainPageState();
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}
class _MainPageState extends State<MainPage> {
HassioDataModel _dataModel;
Map _entitiesData;
Map _uiStructure;
String _dataModelErrorMessage = "";
bool loading = true;
@override
void initState() {
super.initState();
_initClient();
}
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_initClient() async {
SharedPreferences prefs = await SharedPreferences.getInstance();
String _hassioAPIEndpoint = "wss://" + prefs.getString('hassio-domain') +":" + prefs.getString('hassio-port') + "/api/websocket";
String _hassioPassword = prefs.getString('hassio-password');
_dataModel = HassioDataModel(_hassioAPIEndpoint, _hassioPassword);
await _refreshData();
}
_refreshData() async {
setState(() {
loading = true;
});
_dataModelErrorMessage = "";
if (_dataModel != null) {
await _dataModel.fetch().then((result) {
setState(() {
_entitiesData = _dataModel.entities;
_uiStructure = _dataModel.uiStructure;
loading = false;
});
}).catchError((e) {
setState(() {
_dataModelErrorMessage = e.toString();
loading = false;
});
});
}
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}
Widget _buildEntityAction(String entityId) {
var entity = _entitiesData[entityId];
if (entity["actionType"] == "switch") {
return Switch(
value: (entity["state"] == "on"),
onChanged: ((state) {
_dataModel.callService(entity["domain"], state ? "turn_on" : "turn_off", entityId);
setState(() {
_entitiesData[entityId]["state"] = state ? "on" : "off";
});
}),
);
} else {
return Text(
"${entity["state"]}"
);
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}
}
/* Widget buildEntityCard(String entityId) {
var data = _entitiesData[entityId];
if (data != null) {
return Card(
child: new Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
new ListTile(
leading: const Icon(Icons.device_hub),
subtitle: Text("${data['entity_id']}"),
trailing: Text("${data["state"]}"),
title: Text("${data["display_name"]}"),
),
new ButtonTheme
.bar( // make buttons use the appropriate styles for cards
child: buildEntityButtons(data['entity_id']),
),
],
),
);
} else {
return Card(
child: new Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
new Text("Unknown entity: $entityId")
],
),
);
}
}*/
Card _buildEntityGroup(List<String> ids, String name) {
List<Widget> body = [];
body.add(_buildEntityGroupHeader(name));
body.addAll(_buildEntityGroupBody(ids));
Card result = Card(
child: new Column(
mainAxisSize: MainAxisSize.min,
children: body
)
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);
return result;
}
Widget _buildEntityGroupHeader(String name) {
var result;
if (name.length > 0) {
result = new ListTile(
//leading: const Icon(Icons.device_hub),
//subtitle: Text(".."),
//trailing: Text("${data["state"]}"),
title: Text(
"$name",
textAlign: TextAlign.left,
overflow: TextOverflow.ellipsis,
style: new TextStyle(fontWeight: FontWeight.bold, fontSize: 25.0)
),
);
} else {
result = new Container(width: 0.0, height: 0.0);
}
return result;
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}
List<Widget> _buildEntityGroupBody(List<String> ids) {
List<Widget> entities = [];
ids.forEach((id){
var data = _entitiesData[id];
entities.add(
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new ListTile(
leading: const Icon(Icons.device_hub),
//subtitle: Text("${data['entity_id']}"),
trailing: _buildEntityAction(id),
title: Text(
"${data["display_name"]}",
overflow: TextOverflow.ellipsis,
),
)
);
});
return entities;
}
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List<Widget> buildEntitiesView() {
if ((_entitiesData != null)&&(_uiStructure != null)) {
List<Widget> result = [];
if (_dataModelErrorMessage.length == 0) {
_uiStructure["standalone"].forEach((entityId) {
result.add(_buildEntityGroup([entityId], ""));
});
_uiStructure["groups"].forEach((group) {
result.add(_buildEntityGroup(group["children"], group["friendly_name"].toString()));
});
} else {
//TODO
//result.add(Text(_dataModelErrorMessage));
}
return result;
} else {
//TODO
return [];
}
}
Widget _buildTitle() {
Row titleRow = Row(
children: <Widget>[
Text(widget.title)
],
);
if (loading) {
titleRow.children.add(Padding(
child: JumpingDotsProgressIndicator(
fontSize: 30.0,
color: Colors.white,
),
padding: const EdgeInsets.fromLTRB(5.0, 0.0, 0.0, 40.0),
)
);
}
return titleRow;
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}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return new Scaffold(
appBar: new AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: _buildTitle(),
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),
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drawer: new Drawer(
child: ListView(
children: <Widget>[
new UserAccountsDrawerHeader(
accountName: Text("Edwin Home"),
accountEmail: Text("edwin-home.duckdns.org"),
currentAccountPicture: new CircleAvatar(
backgroundImage: new NetworkImage("https://edwin-home.duckdns.org:8123/static/icons/favicon-192x192.png"),
),
),
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new ListTile(
leading: Icon(Icons.settings),
title: Text("Settings"),
onTap: () {
Navigator.pushNamed(context, '/settings');
},
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),
new AboutListTile(
applicationName: "Hass Client",
applicationVersion: "0.1",
applicationLegalese: "Keyboard Crumbs",
)
],
),
),
body: ListView(
children: buildEntitiesView()
),
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floatingActionButton: new FloatingActionButton(
onPressed: _refreshData,
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tooltip: 'Increment',
child: new Icon(Icons.refresh),
),
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);
}
@override
void dispose() {
//TODO
//_hassioChannel.sink.close();
super.dispose();
}
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}