118 lines
4.3 KiB
Dart
118 lines
4.3 KiB
Dart
import 'package:energy_bilance/models/EnergyBilanceModel.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:provider/provider.dart';
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class MyInputWidget extends StatelessWidget {
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const MyInputWidget({super.key});
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@override
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Widget build(BuildContext context) {
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final model = Provider.of<EnergyBilanceModel>(context);
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return Column(
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children: [
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Row(
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mainAxisSize: MainAxisSize.min,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Expanded(
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child: TextFormField(
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keyboardType: TextInputType.number,
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inputFormatters: [FilteringTextInputFormatter.allow(RegExp('[0-9.]'))],
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onChanged: (value) {
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double number = double.parse(value);
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model.setStartVelocity(number);
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},
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validator: (value) {
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if(value == null){
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return null;
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}
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final number = num.tryParse(value);
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if(number == null){
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return '"$value" ist keine Zahl';
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}
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return null;
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},
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decoration: const InputDecoration(
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labelText: 'Anfangsgeschwindigkeit',
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hintText: 'in m/s'
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),
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)
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),
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Expanded(
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child: TextFormField(
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keyboardType: TextInputType.number,
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inputFormatters: [FilteringTextInputFormatter.allow(RegExp('[0-9.]'))],
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onChanged: (value) {
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double number = double.parse(value);
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model.setEndVelocity(number);
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},
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decoration: const InputDecoration(
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labelText: 'Endgeschwindigkeit',
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hintText: 'in m/s'
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),
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)
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),
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],
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),
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Row(
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mainAxisSize: MainAxisSize.max,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Expanded(
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child: TextFormField(
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keyboardType: TextInputType.number,
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inputFormatters: [FilteringTextInputFormatter.allow(RegExp('[0-9.]'))],
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onChanged: (value) {
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double number = double.parse(value);
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model.setStartHeight(number);
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},
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decoration: const InputDecoration(
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labelText: 'Anfangshöhe',
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hintText: 'in m'
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),
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)
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),
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Expanded(
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child: TextFormField(
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keyboardType: TextInputType.number,
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inputFormatters: [FilteringTextInputFormatter.allow(RegExp('[0-9.]'))],
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onChanged: (value) {
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double number = double.parse(value);
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model.setEndHeight(number);
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},
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decoration: const InputDecoration(
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labelText: 'Endhöhe',
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hintText: 'in m'
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),
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)
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),
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],
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),
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Expanded(
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child: TextFormField(
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keyboardType: TextInputType.number,
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inputFormatters: [FilteringTextInputFormatter.allow(RegExp('[0-9.]'))],
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onChanged: (value) {
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double? number = double.tryParse(value);
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if(number != null){
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model.setWeight(number);
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}
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},
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decoration: const InputDecoration(
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labelText: 'Gewicht',
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hintText: 'in kg'
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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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} |