mirror of
https://github.com/koloideal/Casha.git
synced 2026-06-10 10:25:28 +03:00
update
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@@ -0,0 +1,294 @@
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import 'package:fl_chart/fl_chart.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:intl/intl.dart';
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import '../../core/constants.dart';
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import 'provider.dart';
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final _currencyFmt = NumberFormat.currency(symbol: '\$', decimalDigits: 2);
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class CategoriesScreen extends ConsumerStatefulWidget {
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const CategoriesScreen({super.key});
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@override
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ConsumerState<CategoriesScreen> createState() => _CategoriesScreenState();
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}
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class _CategoriesScreenState extends ConsumerState<CategoriesScreen> {
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int _touchedIndex = -1;
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@override
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Widget build(BuildContext context) {
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final data = ref.watch(categoryExpenseProvider);
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final total = data.values.fold(0.0, (a, b) => a + b);
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return Scaffold(
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backgroundColor: AppColors.background,
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body: SafeArea(
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child: Padding(
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padding: const EdgeInsets.fromLTRB(20, 24, 20, 0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Categories',
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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),
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),
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Text(
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'Expense breakdown',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: AppColors.textSecondary,
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),
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),
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const SizedBox(height: 24),
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if (data.isEmpty)
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const Expanded(child: _EmptyState())
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else
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Expanded(
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child: ListView(
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children: [
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_PieChartCard(
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data: data,
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total: total,
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touchedIndex: _touchedIndex,
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onTouch: (i) => setState(() => _touchedIndex = i),
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),
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const SizedBox(height: 20),
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...data.entries.map((e) => Padding(
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padding: const EdgeInsets.only(bottom: 10),
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child: _CategoryRow(
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category: e.key,
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amount: e.value,
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total: total,
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),
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)),
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const SizedBox(height: 80),
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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 _PieChartCard extends StatelessWidget {
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final Map<String, double> data;
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final double total;
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final int touchedIndex;
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final ValueChanged<int> onTouch;
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const _PieChartCard({
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required this.data,
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required this.total,
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required this.touchedIndex,
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required this.onTouch,
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});
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@override
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Widget build(BuildContext context) {
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final entries = data.entries.toList();
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return Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: AppColors.surface,
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: AppColors.divider),
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),
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child: Column(
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children: [
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SizedBox(
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height: 220,
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child: Stack(
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alignment: Alignment.center,
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children: [
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PieChart(
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PieChartData(
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pieTouchData: PieTouchData(
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touchCallback: (event, response) {
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if (!event.isInterestedForInteractions ||
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response == null ||
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response.touchedSection == null) {
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onTouch(-1);
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return;
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}
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onTouch(response.touchedSection!.touchedSectionIndex);
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},
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),
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sectionsSpace: 3,
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centerSpaceRadius: 60,
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sections: List.generate(entries.length, (i) {
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final isTouched = i == touchedIndex;
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final cat = entries[i].key;
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final val = entries[i].value;
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final color = AppCategories.colors[cat] ?? AppColors.accent;
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return PieChartSectionData(
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color: color,
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value: val,
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title: isTouched
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? '${(val / total * 100).toStringAsFixed(1)}%'
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: '',
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radius: isTouched ? 60 : 50,
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titleStyle: const TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w700,
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color: Colors.white,
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),
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);
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}),
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),
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),
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Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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'Total',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: AppColors.textSecondary,
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),
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),
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Text(
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_currencyFmt.format(total),
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: AppColors.textPrimary,
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fontWeight: FontWeight.w700,
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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 _CategoryRow extends StatelessWidget {
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final String category;
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final double amount;
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final double total;
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const _CategoryRow({
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required this.category,
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required this.amount,
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required this.total,
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});
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@override
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Widget build(BuildContext context) {
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final color = AppCategories.colors[category] ?? AppColors.accent;
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final icon = AppCategories.icons[category] ?? Icons.category_rounded;
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final pct = total > 0 ? amount / total : 0.0;
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return Container(
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: AppColors.surface,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: AppColors.divider),
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),
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child: Column(
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children: [
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Row(
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children: [
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Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: color.withOpacity(0.15),
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borderRadius: BorderRadius.circular(10),
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),
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child: Icon(icon, color: color, size: 18),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Text(
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category,
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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fontWeight: FontWeight.w600,
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color: AppColors.textPrimary,
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),
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),
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),
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Text(
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_currencyFmt.format(amount),
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: AppColors.expense,
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fontWeight: FontWeight.w700,
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),
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),
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],
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),
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const SizedBox(height: 10),
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ClipRRect(
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borderRadius: BorderRadius.circular(4),
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child: LinearProgressIndicator(
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value: pct,
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backgroundColor: AppColors.divider,
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valueColor: AlwaysStoppedAnimation<Color>(color),
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minHeight: 6,
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),
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),
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const SizedBox(height: 4),
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Align(
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alignment: Alignment.centerRight,
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child: Text(
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'${(pct * 100).toStringAsFixed(1)}%',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: AppColors.textSecondary,
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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 _EmptyState extends StatelessWidget {
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const _EmptyState();
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@override
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Widget build(BuildContext context) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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padding: const EdgeInsets.all(24),
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decoration: const BoxDecoration(
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color: AppColors.surface,
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shape: BoxShape.circle,
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),
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child: const Icon(
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Icons.pie_chart_outline_rounded,
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size: 48,
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color: AppColors.textSecondary,
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),
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),
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const SizedBox(height: 16),
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Text(
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'No expense data',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: AppColors.textPrimary,
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fontWeight: FontWeight.w600,
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),
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),
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const SizedBox(height: 6),
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Text(
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'Add some expenses to see the breakdown',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: AppColors.textSecondary,
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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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