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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,294 @@ | ||
| import 'package:cash_loaf/model/person.dart'; | ||
| import 'package:cash_loaf/utils/after_layout_mixin.dart'; | ||
| import 'package:cash_loaf/utils/currency.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_masked_text/flutter_masked_text.dart'; | ||
|
|
||
| import 'person_page.dart'; | ||
|
|
||
| class PayLoanPage extends StatefulWidget { | ||
| PayLoanPage({this.person}); | ||
|
|
||
| final Person person; | ||
|
|
||
| @override | ||
| _PayLoanPageState createState() => _PayLoanPageState(); | ||
| } | ||
|
|
||
| class _PayLoanPageState extends State<PayLoanPage> with AfterLayoutMixin { | ||
| final stepper = PageController(); | ||
| var amountText = MoneyMaskedTextController(); | ||
| int targetPage = 0; | ||
| var checkState = Set(); | ||
| double totalSelected = 0; | ||
| int overflowIndex = -1; | ||
|
|
||
| double get amount => amountText.numberValue; | ||
| double get overflowAmount => totalSelected - amount; | ||
| double get cappedSelected => totalSelected.clamp(0, amount); | ||
|
|
||
| @override | ||
| void afterFirstLayout(BuildContext context) {} | ||
|
|
||
| void _setChecked(int index, bool value) { | ||
| final selectedAmount = widget.person.loans[index].amount; | ||
| if (!value) { | ||
| if (overflowIndex != -1 && | ||
| (overflowIndex == index || selectedAmount > overflowAmount)) { | ||
| overflowIndex = -1; | ||
| } | ||
| setState(() { | ||
| totalSelected -= selectedAmount; | ||
| checkState.remove(index); | ||
| }); | ||
| return; | ||
| } | ||
| if (totalSelected + selectedAmount > amount) { | ||
| overflowIndex = index; | ||
| } | ||
| setState(() { | ||
| totalSelected += selectedAmount; | ||
| checkState.add(index); | ||
| }); | ||
| } | ||
|
|
||
| bool _itemDisabled(int i) => | ||
| (totalSelected >= amount) && !checkState.contains(i); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| backgroundColor: Theme.of(context).canvasColor, | ||
| elevation: 0, | ||
| leading: IconButton( | ||
| color: Colors.black87, | ||
| onPressed: () { | ||
| if (stepper.page == 0) | ||
| Navigator.of(context).maybePop(); | ||
| else { | ||
| stepper.previousPage( | ||
| duration: Duration(milliseconds: 500), | ||
| curve: Curves.easeOutCubic); | ||
| setState(() { | ||
| targetPage -= stepper.page > 0 ? 1 : 0; | ||
| }); | ||
| } | ||
| }, | ||
| icon: (!layoutDone || targetPage == 0) | ||
| ? Icon(Icons.close) | ||
| : Icon(Icons.chevron_left), | ||
| ), | ||
| ), | ||
| body: Column( | ||
| children: [ | ||
| Padding( | ||
| padding: EdgeInsets.only(left: 24, right: 24, top: 12), | ||
| child: Column( | ||
| crossAxisAlignment: CrossAxisAlignment.start, | ||
| children: [ | ||
| Text.rich( | ||
| TextSpan(children: [ | ||
| TextSpan( | ||
| text: widget.person.name, | ||
| style: TextStyle(fontWeight: FontWeight.w600)), | ||
| TextSpan( | ||
| text: (!layoutDone || targetPage == 0) | ||
| ? ' deve' | ||
| : ' está devolvendo'), | ||
| ]), | ||
| style: Theme.of(context).textTheme.bodyText2), | ||
| SizedBox(height: 6), | ||
| Row( | ||
| crossAxisAlignment: CrossAxisAlignment.baseline, | ||
| children: [ | ||
| Text('R\$', | ||
| style: TextStyle( | ||
| letterSpacing: 1.2, | ||
| )), | ||
| SizedBox(width: 4), | ||
| Text( | ||
| (!layoutDone || targetPage == 0) | ||
| ? widget.person.totalOwned | ||
| .toCurrency(useSymbol: false) | ||
| : amountText.text, | ||
| style: TextStyle( | ||
| letterSpacing: 1.2, | ||
| fontSize: 24, | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| SizedBox(height: 24), | ||
| Expanded( | ||
| child: PageView( | ||
| physics: NeverScrollableScrollPhysics(), | ||
| controller: stepper, | ||
| children: [ | ||
| Padding( | ||
| padding: const EdgeInsets.only(left: 24, right: 24), | ||
| child: Column( | ||
| crossAxisAlignment: CrossAxisAlignment.start, | ||
| children: [ | ||
| Text.rich( | ||
| TextSpan(children: [ | ||
| TextSpan(text: 'Quanto '), | ||
| TextSpan( | ||
| text: widget.person.name, | ||
| style: TextStyle(fontWeight: FontWeight.w500), | ||
| ), | ||
| TextSpan(text: ' está '), | ||
| TextSpan( | ||
| text: 'devolvendo', | ||
| style: TextStyle(color: Colors.yellow[900]), | ||
| ), | ||
| TextSpan(text: '?'), | ||
| ]), | ||
| ), | ||
| TextField( | ||
| autofocus: true, | ||
| keyboardType: TextInputType.number, | ||
| decoration: InputDecoration( | ||
| prefix: Padding( | ||
| padding: EdgeInsets.only(right: 8), | ||
| child: Text('R\$'), | ||
| ), | ||
| ), | ||
| controller: amountText, | ||
| style: TextStyle(fontSize: 24), | ||
| ), | ||
| SizedBox(height: 24), | ||
| Row( | ||
| mainAxisAlignment: MainAxisAlignment.end, | ||
| children: [ | ||
| FlatButton.icon( | ||
| onPressed: () { | ||
| stepper.nextPage( | ||
| duration: Duration(milliseconds: 500), | ||
| curve: Curves.easeOutCubic); | ||
| setState(() { | ||
| targetPage += stepper.page < 1 ? 1 : 0; | ||
| }); | ||
| }, | ||
| label: Icon(Icons.arrow_right), | ||
| icon: Text('CONTINUAR'), | ||
| padding: EdgeInsets.fromLTRB(16, 0, 4, 0), | ||
| ), | ||
| ], | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| Padding( | ||
| padding: const EdgeInsets.only(left: 24, right: 24), | ||
| child: Column( | ||
| crossAxisAlignment: CrossAxisAlignment.start, | ||
| children: [ | ||
| Text('Selecione os itens que serão quitados'), | ||
| SizedBox(height: 10), | ||
| ListView( | ||
| shrinkWrap: true, | ||
| children: List<Widget>.generate( | ||
| widget.person.loans.length, | ||
| (i) => ListTile( | ||
| contentPadding: EdgeInsets.all(0), | ||
| title: Text( | ||
| widget.person.loans[i].description, | ||
| style: _itemDisabled(i) | ||
| ? TextStyle(color: Colors.black54) | ||
| : TextStyle()), | ||
| onTap: _itemDisabled(i) | ||
| ? null | ||
| : () { | ||
| _setChecked( | ||
| i, !checkState.contains(i)); | ||
| }, | ||
| leading: Checkbox( | ||
| value: checkState.contains(i), | ||
| onChanged: _itemDisabled(i) | ||
| ? null | ||
| : (val) { | ||
| _setChecked(i, val); | ||
| }, | ||
| ), | ||
| trailing: Row( | ||
| mainAxisSize: MainAxisSize.min, | ||
| children: [ | ||
| Text( | ||
| widget.person.loans[i].amount | ||
| .toCurrency(), | ||
| style: TextStyle( | ||
| fontStyle: checkState.contains(i) | ||
| ? FontStyle.italic | ||
| : FontStyle.normal, | ||
| decoration: checkState.contains(i) | ||
| ? TextDecoration.lineThrough | ||
| : TextDecoration.none, | ||
| color: _itemDisabled(i) | ||
| ? Colors.black54 | ||
| : null), | ||
| ), | ||
| overflowIndex == i | ||
| ? Padding( | ||
| padding: EdgeInsets.only( | ||
| left: 8, | ||
| ), | ||
| child: Text( | ||
| overflowAmount.toCurrency())) | ||
| : SizedBox.shrink(), | ||
| ], | ||
| ), | ||
| )) | ||
| ..add( | ||
| Column( | ||
| children: [ | ||
| Divider(thickness: 2), | ||
| ListTile( | ||
| contentPadding: EdgeInsets.all(0), | ||
| title: Text('Total a quitar', | ||
| style: TextStyle(color: Colors.black54)), | ||
| leading: Opacity( | ||
| opacity: 0, | ||
| child: Checkbox(tristate: true), | ||
| ), | ||
| trailing: Text(cappedSelected.toCurrency(), | ||
| style: TextStyle(color: Colors.black54)), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| SizedBox(height: 24), | ||
| Row( | ||
| mainAxisAlignment: MainAxisAlignment.end, | ||
| children: [ | ||
| RaisedButton( | ||
| onPressed: totalSelected < amount | ||
| ? null | ||
| : () { | ||
| Navigator.pushAndRemoveUntil( | ||
| context, | ||
| MaterialPageRoute( | ||
| builder: (context) => PersonPage( | ||
| person: widget.person)), | ||
| ModalRoute.withName('/')); | ||
| }, | ||
| child: Text('CONCLUIR'), | ||
| color: Colors.yellow[300], | ||
| ), | ||
| ], | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
| } |
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