366 lines
13 KiB
Dart
366 lines
13 KiB
Dart
// Flutter
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import 'package:flutter/material.dart';
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// Local
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import '/models/expense.dart';
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import '/models/frequency.dart';
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List<Expense> expenses = [];
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class ExpensePage extends StatefulWidget {
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const ExpensePage({
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super.key,
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});
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@override
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State<ExpensePage> createState() => _ExpensePageState();
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}
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class _ExpensePageState extends State<ExpensePage> {
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refresh() {
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setState(() {});
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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expenses.sort(
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(a, b) => (b.calcComparableCost() - a.calcComparableCost()).toInt(),
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);
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return expenses.isEmpty
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? Text("Add expenses to get started!")
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: ListView.builder(
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itemCount: expenses.length,
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itemBuilder: (_, index) {
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final Expense curr = expenses[index];
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final String estimateSymbolYearly = curr.frequency.timesPerYear
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.toStringAsFixed(2)
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.endsWith(".00") &&
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curr.calcComparableCost().toStringAsFixed(3).endsWith("0")
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? ""
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: "~";
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final String estimateSymbolDaily =
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curr.frequency.numDays.toStringAsFixed(2).endsWith(".00") &&
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curr
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.calcComparableCostDaily()
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.toStringAsFixed(3)
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.endsWith("0")
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? ""
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: "~";
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return Padding(
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padding: const EdgeInsets.all(4.0),
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child: Dismissible(
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key: Key(curr.toString()),
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background: Container(
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color: Colors.red,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.start,
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children: [
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Icon(Icons.delete),
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Text("Delete"),
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],
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),
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),
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secondaryBackground: Container(
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color: Colors.orange,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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Text("Edit"),
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Icon(Icons.edit),
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],
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),
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),
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onDismissed: (direction) {
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setState(() {
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expenses.remove(curr);
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});
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switch (direction) {
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case DismissDirection.startToEnd:
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// Only remove the item from the list.
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break;
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case DismissDirection.endToStart:
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// Open an edit dialog, then remove the item from the list.
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showDialog(
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context: context,
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builder: (_) => AlertDialog(
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content: ExpenseInputDialog(
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notifyParent: refresh,
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expense: curr,
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),
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),
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);
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break;
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default:
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UnimplementedError(
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"Direction ${direction.toString()} not recognized.",
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);
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}
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},
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(4),
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color: theme.colorScheme.onPrimary,
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),
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child: Padding(
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padding: const EdgeInsets.all(4.0),
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child: Row(
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mainAxisSize: MainAxisSize.max,
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children: [
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Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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curr.name,
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style: TextStyle(fontSize: 20.0),
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),
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Text(
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"${curr.cost.toStringAsFixed(2)} ${curr.frequency.title}",
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style: TextStyle(fontSize: 12.0),
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),
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],
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),
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Expanded(
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child: Center(
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child: Text(
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curr.description,
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style: TextStyle(
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fontSize: 12.0,
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),
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softWrap: true,
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textAlign: TextAlign.center,
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),
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),
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),
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Column(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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//if (curr.frequency != Frequency.daily)
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Text(
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"$estimateSymbolDaily${curr.calcComparableCostDaily().toStringAsFixed(2)} ${Frequency.daily.title}",
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style: TextStyle(fontSize: 12.0),
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),
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//if (curr.frequency != Frequency.yearly)
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Text(
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"$estimateSymbolYearly${curr.calcComparableCost().toStringAsFixed(2)} ${Frequency.yearly.title}",
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style: TextStyle(fontSize: 12.0),
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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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),
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);
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},
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);
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}
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}
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class ExpenseInputDialog extends StatefulWidget {
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final Function() notifyParent;
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final Expense? expense;
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const ExpenseInputDialog({
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super.key,
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required this.notifyParent,
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this.expense,
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});
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@override
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State<ExpenseInputDialog> createState() => _ExpenseInputDialogState();
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}
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class _ExpenseInputDialogState extends State<ExpenseInputDialog> {
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final _expenseFormKey = GlobalKey<FormState>();
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String _name = "";
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double _cost = 0;
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Frequency _freq = Frequency.monthly;
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String _desc = "";
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@override
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Widget build(BuildContext context) {
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if (widget.expense != null) {
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_name = widget.expense!.name;
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_cost = widget.expense!.cost;
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_freq = widget.expense!.frequency;
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_desc = widget.expense!.description;
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}
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return Column(
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// prevent AlertDialog from taking full vertical height.
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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alignment: FractionalOffset.topRight,
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child: IconButton(
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onPressed: () {
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if (widget.expense != null) {
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setState(() {
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expenses.add(widget.expense!);
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widget.notifyParent();
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});
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}
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Navigator.of(context).pop();
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},
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icon: Icon(Icons.clear),
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),
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),
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AlertDialog(
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insetPadding: EdgeInsets.all(0),
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title: Center(
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child: widget.expense == null
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? Text("New Expense")
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: Text("Edit Expense"),
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),
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content: Form(
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key: _expenseFormKey,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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TextFormField(
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keyboardType: TextInputType.text,
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textCapitalization: TextCapitalization.words,
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decoration: InputDecoration(
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labelText: "Name",
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hintText: "Example: Red Pocket",
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hintStyle: TextStyle(fontSize: 10.0),
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errorStyle: TextStyle(fontSize: 10.0),
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),
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initialValue: _name,
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validator: (value) {
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if (value!.isEmpty) {
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return "Name must be provided.";
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}
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if (!expenses.every((expense) => expense.name != value)) {
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return "Name must be unique, already in use.";
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}
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return null;
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},
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onSaved: (value) {
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_name = value!;
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},
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),
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TextFormField(
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keyboardType: TextInputType.numberWithOptions(decimal: true),
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decoration: InputDecoration(
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labelText: "Cost",
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hintText: "Example: 10.00",
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hintStyle: TextStyle(fontSize: 10.0),
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errorStyle: TextStyle(fontSize: 10.0),
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),
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initialValue: _cost != 0 ? _cost.toString() : "",
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validator: (value) {
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if (value == null || value.isEmpty) {
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return "Cost must be provided.";
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}
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if (double.parse(value) < 0) {
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return "Please use the Income page rather than having negative expenses.";
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}
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if (double.parse(value) < 0.01) {
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return "Cost must be one hundreth (0.01) or higher.";
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}
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if (double.tryParse(value) == null) {
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return "Cost must be a valid number.";
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}
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return null;
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},
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onSaved: (value) {
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_cost = double.parse(value!);
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},
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),
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DropdownButtonFormField(
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items: Frequency.values
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.map(
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(freq) => DropdownMenuItem(
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value: freq,
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child: Row(
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children: [
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Text(
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freq.title,
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),
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Padding(
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padding: EdgeInsets.all(1.0),
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child: Text(
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" (${freq.hint})",
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style: TextStyle(fontSize: 10.0),
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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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.toList(),
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value: _freq,
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decoration: InputDecoration(
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labelText: "Frequency",
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errorStyle: TextStyle(fontSize: 10.0),
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),
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validator: (value) {
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if (value == null) {
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return "Frequency must be provided.";
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}
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if (!Frequency.values.contains(value)) {
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return "Value not valid.";
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}
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return null;
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},
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onChanged: (value) {
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_freq = value!;
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},
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),
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TextFormField(
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keyboardType: TextInputType.text,
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textCapitalization: TextCapitalization.sentences,
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decoration: InputDecoration(
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labelText: "Description",
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hintText: "Example: 1GB data with unlimited talk & text.",
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hintStyle: TextStyle(fontSize: 8.0),
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errorStyle: TextStyle(fontSize: 10.0),
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),
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initialValue: _desc,
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validator: (value) {
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return null;
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},
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onSaved: (value) {
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_desc = value!;
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},
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),
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],
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),
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),
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actions: [
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Center(
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child: ElevatedButton.icon(
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onPressed: () {
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if (_expenseFormKey.currentState!.validate()) {
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_expenseFormKey.currentState!.save();
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setState(() {
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expenses.add(
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Expense(
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name: _name,
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cost: _cost,
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frequency: _freq,
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description: _desc),
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);
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});
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widget.notifyParent();
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Navigator.of(context).pop();
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}
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},
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icon: Icon(Icons.save),
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label: 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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}
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