61 lines
2.1 KiB
Dart
61 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
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class AirManualSampling extends StatefulWidget {
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@override
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State<AirManualSampling> createState() => _AirManualSamplingState();
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}
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class _AirManualSamplingState extends State<AirManualSampling> {
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final _formKey = GlobalKey<FormState>();
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String station = '';
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String parameter = '';
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String value = '';
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: Text("Air Manual Sampling")),
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body: Padding(
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padding: const EdgeInsets.all(24),
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child: Form(
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key: _formKey,
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child: ListView(
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children: [
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Text("Enter Sampling Data", style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
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SizedBox(height: 24),
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TextFormField(
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decoration: InputDecoration(labelText: "Station"),
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onChanged: (val) => station = val,
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validator: (val) => val == null || val.isEmpty ? "Required" : null,
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),
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SizedBox(height: 16),
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TextFormField(
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decoration: InputDecoration(labelText: "Parameter"),
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onChanged: (val) => parameter = val,
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validator: (val) => val == null || val.isEmpty ? "Required" : null,
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),
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SizedBox(height: 16),
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TextFormField(
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decoration: InputDecoration(labelText: "Value"),
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keyboardType: TextInputType.number,
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onChanged: (val) => value = val,
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validator: (val) => val == null || val.isEmpty ? "Required" : null,
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),
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SizedBox(height: 24),
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ElevatedButton(
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onPressed: () {
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if (_formKey.currentState!.validate()) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text("Air sampling data submitted")),
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);
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}
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},
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child: Text("Submit"),
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),
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],
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),
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),
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),
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);
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}
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} |