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Merge pull request #54 from Panduza/51-add-thermo
51 add thermo
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter/services.dart'; | ||
| import 'package:panduza_sandbox_flutter/data/const.dart'; | ||
| import 'templates.dart'; | ||
| import '../../data/interface_connection.dart'; | ||
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| import 'dart:convert'; | ||
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| // import '../widgets/interface_control/icw_bpc.dart'; | ||
| import 'package:mqtt_client/mqtt_client.dart'; | ||
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| class IcThermometer extends StatefulWidget { | ||
| const IcThermometer(this._interfaceConnection, {super.key}); | ||
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| final InterfaceConnection _interfaceConnection; | ||
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| @override | ||
| State<IcThermometer> createState() => _IcThermometerState(); | ||
| } | ||
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| class _IcThermometerState extends State<IcThermometer> { | ||
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| double _value = 0; | ||
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| /// Init each value of the thermometer, here just the measure | ||
| /// temperature | ||
| /// | ||
| void onMqttMessage(List<MqttReceivedMessage<MqttMessage>> c) { | ||
| print("============"); | ||
| print('Received ${c[0].topic} from ${widget._interfaceConnection.topic} '); | ||
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| // | ||
| if (c[0].topic.startsWith(widget._interfaceConnection.topic)) { | ||
| if (!c[0].topic.endsWith('/info')) { | ||
| final recMess = c![0].payload as MqttPublishMessage; | ||
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| final pt = | ||
| MqttPublishPayload.bytesToStringAsString(recMess.payload.message); | ||
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| var jsonObject = json.decode(pt); | ||
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| print(jsonObject); | ||
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| for (MapEntry<String, dynamic> atts in jsonObject.entries) { | ||
| for (MapEntry<String, dynamic> field in atts.value.entries) { | ||
| print('${atts.key} ${field.key} => ${field.value}'); | ||
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| switch (atts.key) { | ||
| case "measure": | ||
| if (field.key == "value") { | ||
| double updateVal = 0; | ||
| switch (field.value.runtimeType) { | ||
| case int: | ||
| updateVal = field.value.toDouble(); | ||
| case double: | ||
| updateVal = field.value; | ||
| } | ||
| setState(() { | ||
| _value = updateVal; | ||
| }); | ||
| } | ||
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| if (field.key == "decimals") { | ||
|
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| } | ||
| break; | ||
| } | ||
| } | ||
| } | ||
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| } | ||
| } else { | ||
| // print('not good:'); | ||
| } | ||
| } | ||
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| /// Initialize MQTT Subscriptions | ||
| /// | ||
| void initializeMqttSubscription() async { | ||
| widget._interfaceConnection.client.updates!.listen(onMqttMessage); | ||
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| String attsTopic = "${widget._interfaceConnection.topic}/atts/#"; | ||
| // print(attsTopic); | ||
| Subscription? sub = widget._interfaceConnection.client | ||
| .subscribe(attsTopic, MqttQos.atLeastOnce); | ||
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| } | ||
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| late TextEditingController _freqController; | ||
| late TextEditingController _freqControllerRequested; | ||
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| /// Perform MQTT Subscriptions at the start of the component | ||
| /// | ||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
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| // subscribe to info and atts ? | ||
| Future.delayed(const Duration(milliseconds: 1), initializeMqttSubscription); | ||
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| _freqController = TextEditingController(text: "1"); | ||
| } | ||
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| @override | ||
| void dispose() { | ||
| super.dispose(); | ||
| } | ||
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| /// Appearance of the widget | ||
| /// | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Card( | ||
| child: Column( | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| children: [ | ||
| cardHeadLine(widget._interfaceConnection), | ||
| Text( | ||
| "${_value.toString()} °C", | ||
| style: TextStyle( | ||
| color: black | ||
| ), | ||
| ), | ||
| Row( | ||
| children: [ | ||
| SizedBox( | ||
| width: 100, | ||
| child: TextField( | ||
| textDirection: TextDirection.rtl, | ||
| controller: _freqController, | ||
| keyboardType: TextInputType.number, | ||
| inputFormatters: <TextInputFormatter>[ | ||
| FilteringTextInputFormatter.digitsOnly | ||
| ], | ||
| style: TextStyle( | ||
| color: black, | ||
| fontSize: 16 | ||
| ), | ||
| ) | ||
| ), | ||
| const SizedBox( | ||
| width: 10, | ||
| ), | ||
| Text( | ||
| "read per sec", | ||
| style: TextStyle( | ||
| color: black | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| const SizedBox( | ||
| height: 10, | ||
| ), | ||
| ], | ||
| )); | ||
| } | ||
| } |