feat: Redesign Dashboard Overview Widgets with enhanced metrics display and loading states
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@ -1,268 +1,414 @@
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import 'package:flutter/material.dart';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:get/get.dart';
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import 'package:intl/intl.dart';
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import 'package:syncfusion_flutter_charts/charts.dart';
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// Assuming these exist in the project
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import 'package:marco/controller/dashboard/dashboard_controller.dart';
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import 'package:marco/helpers/widgets/my_card.dart';
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import 'package:marco/helpers/widgets/my_card.dart';
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import 'package:marco/helpers/widgets/my_spacing.dart';
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import 'package:marco/helpers/widgets/my_spacing.dart';
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import 'package:marco/controller/dashboard/dashboard_controller.dart';
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import 'package:marco/helpers/widgets/my_text.dart';
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import 'package:syncfusion_flutter_charts/charts.dart';
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import 'package:marco/helpers/widgets/my_text.dart'; // import MyText
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import 'package:intl/intl.dart';
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// Redesigned Dashboard Overview Widgets
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class DashboardOverviewWidgets {
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class DashboardOverviewWidgets {
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static final DashboardController dashboardController =
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static final DashboardController dashboardController =
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Get.find<DashboardController>();
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Get.find<DashboardController>();
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static const _titleTextStyle = TextStyle(
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// Design tokens
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static const _titleStyle = TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w700,
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color: Colors.black87,
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letterSpacing: 0.2,
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);
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static const _subtitleStyle = TextStyle(
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fontSize: 12,
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color: Colors.black54,
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letterSpacing: 0.1,
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);
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static const _metricStyle = TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.w800,
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color: Colors.black87,
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);
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static const _percentStyle = TextStyle(
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fontSize: 18,
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fontSize: 18,
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fontWeight: FontWeight.w700,
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fontWeight: FontWeight.w700,
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color: Colors.black87,
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color: Colors.black87,
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);
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);
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static const _subtitleTextStyle = TextStyle(
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static final NumberFormat _comma = NumberFormat.decimalPattern();
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fontSize: 14,
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color: Colors.grey,
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);
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static const _infoNumberTextStyle = TextStyle(
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// Color palette with accessible contrast
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fontSize: 20,
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static const Color _primaryA = Color(0xFF1565C0); // Blue 800
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fontWeight: FontWeight.bold,
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static const Color _accentA = Color(0xFF2E7D32); // Green 800
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color: Colors.black87,
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static const Color _warnA = Color(0xFFC62828); // Red 800
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);
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static const Color _muted = Color(0xFF9E9E9E); // Grey 500
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static const Color _hint = Color(0xFFBDBDBD); // Grey 400
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static const Color _bgSoft = Color(0xFFF7F8FA);
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static const _infoNumberGreenTextStyle = TextStyle(
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// Public API: Teams overview card
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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);
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static final NumberFormat _commaFormatter = NumberFormat.decimalPattern();
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/// Teams Overview Card without chart, labels & values in rows
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static Widget teamsOverview() {
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static Widget teamsOverview() {
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return Obx(() {
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return Obx(() {
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if (dashboardController.isTeamsLoading.value) {
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if (dashboardController.isTeamsLoading.value) {
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return _loadingSkeletonCard("Teams");
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return _skeletonCard(title: "Teams");
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}
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}
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final total = dashboardController.totalEmployees.value;
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final total = dashboardController.totalEmployees.value;
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final inToday = dashboardController.inToday.value;
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final inToday = dashboardController.inToday.value.clamp(0, total);
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final absent = (total - inToday).clamp(0, total);
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final percent = total > 0 ? inToday / total : 0.0;
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return LayoutBuilder(
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final hasData = total > 0;
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builder: (context, constraints) {
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final cardWidth = constraints.maxWidth > 400
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? (constraints.maxWidth / 2) - 10
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: constraints.maxWidth;
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return SizedBox(
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final data = hasData
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width: cardWidth,
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? [
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child: MyCard(
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_ChartData('In Today', inToday.toDouble(), _accentA),
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borderRadiusAll: 5,
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_ChartData('Absent', absent.toDouble(), _muted),
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paddingAll: 20,
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]
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child: Column(
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: [
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crossAxisAlignment: CrossAxisAlignment.start,
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_ChartData('No Data', 1.0, _hint),
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children: [
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_ChartData('No Data', 1.0, _hint),
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Row(
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];
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children: [
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const Icon(Icons.group,
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return _MetricCard(
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color: Colors.blueAccent, size: 26),
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icon: Icons.group,
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MySpacing.width(8),
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iconColor: _primaryA,
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MyText("Teams", style: _titleTextStyle),
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title: "Teams",
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],
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subtitle: hasData ? "Attendance today" : "Awaiting data",
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),
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chart: _SemiDonutChart(
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MySpacing.height(16),
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percentLabel: "${(percent * 100).toInt()}%",
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// Labels in one row
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data: data,
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Row(
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startAngle: 270,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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endAngle: 90,
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children: [
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showLegend: false,
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MyText("Total Employees", style: _subtitleTextStyle),
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),
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MyText("In Today", style: _subtitleTextStyle),
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footer: _TwoColumnKpis(
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],
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leftLabel: "Total",
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),
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leftValue: _comma.format(total),
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MySpacing.height(4),
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rightLabel: "In Today",
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// Values in one row
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rightValue: _comma.format(inToday),
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Row(
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rightColor: _accentA,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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),
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children: [
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MyText(_commaFormatter.format(total),
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style: _infoNumberTextStyle),
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MyText(_commaFormatter.format(inToday),
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style: _infoNumberGreenTextStyle.copyWith(
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color: Colors.green[700])),
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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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/// Tasks Overview Card
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// Public API: Tasks overview card
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static Widget tasksOverview() {
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static Widget tasksOverview() {
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return Obx(() {
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return Obx(() {
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if (dashboardController.isTasksLoading.value) {
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if (dashboardController.isTasksLoading.value) {
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return _loadingSkeletonCard("Tasks");
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return _skeletonCard(title: "Tasks");
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}
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}
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final total = dashboardController.totalTasks.value;
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final total = dashboardController.totalTasks.value;
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final completed = dashboardController.completedTasks.value;
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final completed =
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final remaining = total - completed;
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dashboardController.completedTasks.value.clamp(0, total);
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final double percent = total > 0 ? completed / total : 0.0;
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final remaining = (total - completed).clamp(0, total);
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final percent = total > 0 ? completed / total : 0.0;
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// Task colors
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final hasData = total > 0;
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const completedColor = Color(0xFF64B5F6);
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const remainingColor =Color(0xFFE57373);
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final List<_ChartData> pieData = [
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final data = hasData
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_ChartData('Completed', completed.toDouble(), completedColor),
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? [
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_ChartData('Remaining', remaining.toDouble(), remainingColor),
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_ChartData('Completed', completed.toDouble(), _primaryA),
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];
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_ChartData('Remaining', remaining.toDouble(), _warnA),
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]
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: [
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_ChartData('Completed', 1.0, _hint),
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_ChartData('Remaining', 1.0, _hint),
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];
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return LayoutBuilder(
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return _MetricCard(
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builder: (context, constraints) {
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icon: Icons.task_alt,
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final cardWidth =
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iconColor: _primaryA,
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constraints.maxWidth < 300 ? constraints.maxWidth : 300.0;
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title: "Tasks",
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subtitle: hasData ? "Completion status" : "Awaiting data",
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return SizedBox(
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chart: _SemiDonutChart(
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width: cardWidth,
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percentLabel: "${(percent * 100).toInt()}%",
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child: MyCard(
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data: data,
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borderRadiusAll: 5,
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startAngle: 270,
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paddingAll: 20,
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endAngle: 90,
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child: Column(
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showLegend: true,
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crossAxisAlignment: CrossAxisAlignment.start,
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),
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children: [
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footer: _TwoColumnKpis(
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// Icon + Title
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leftLabel: "Total",
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Row(
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leftValue: _comma.format(total),
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children: [
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rightLabel: "Completed",
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const Icon(Icons.task_alt,
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rightValue: _comma.format(completed),
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color: completedColor, size: 26),
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rightColor: _primaryA,
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MySpacing.width(8),
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),
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MyText("Tasks", style: _titleTextStyle),
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],
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),
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MySpacing.height(16),
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// Main Row: Bigger Pie Chart + Full-Color Info Boxes
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Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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// Pie Chart Column (Bigger)
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SizedBox(
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height: 140,
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width: 140,
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child: SfCircularChart(
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annotations: <CircularChartAnnotation>[
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CircularChartAnnotation(
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widget: MyText(
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"${(percent * 100).toInt()}%",
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style: _infoNumberGreenTextStyle.copyWith(
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fontSize: 20),
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),
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),
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],
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series: <PieSeries<_ChartData, String>>[
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PieSeries<_ChartData, String>(
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dataSource: pieData,
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xValueMapper: (_ChartData data, _) =>
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data.category,
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yValueMapper: (_ChartData data, _) => data.value,
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pointColorMapper: (_ChartData data, _) =>
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data.color,
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dataLabelSettings:
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const DataLabelSettings(isVisible: false),
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radius: '100%',
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),
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],
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),
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),
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MySpacing.width(16),
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// Info Boxes Column (Full Color)
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Expanded(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_infoBoxFullColor(
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"Completed", completed, completedColor),
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MySpacing.height(8),
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_infoBoxFullColor(
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"Remaining", remaining, remainingColor),
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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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});
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}
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}
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/// Full-color info box
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// Skeleton loading card
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static Widget _infoBoxFullColor(String label, int value, Color bgColor) {
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static Widget _skeletonCard({required String title}) {
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 12),
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decoration: BoxDecoration(
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color: bgColor, // full color
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borderRadius: BorderRadius.circular(5),
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),
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child: Column(
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children: [
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MyText(_commaFormatter.format(value),
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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)),
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MySpacing.height(2),
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MyText(label,
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style: const TextStyle(
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fontSize: 12,
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color: Colors.white, // text in white for contrast
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)),
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],
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),
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);
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}
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/// Loading Skeleton Card
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static Widget _loadingSkeletonCard(String title) {
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return LayoutBuilder(builder: (context, constraints) {
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return LayoutBuilder(builder: (context, constraints) {
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final cardWidth =
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final width = constraints.maxWidth.clamp(220.0, 480.0);
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constraints.maxWidth < 200 ? constraints.maxWidth : 200.0;
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return SizedBox(
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return SizedBox(
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width: cardWidth,
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width: width,
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child: MyCard(
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child: MyCard(
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borderRadiusAll: 5,
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borderRadiusAll: 5,
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paddingAll: 20,
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paddingAll: 16,
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child: Column(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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children: [
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_loadingBar(width: 100),
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_Skeleton.line(width: 120, height: 16),
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MySpacing.height(12),
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MySpacing.height(12),
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_loadingBar(width: 80),
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_Skeleton.line(width: 80, height: 12),
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MySpacing.height(12),
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MySpacing.height(16),
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_loadingBar(width: double.infinity, height: 12),
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_Skeleton.block(height: 120),
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MySpacing.height(16),
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_Skeleton.line(width: double.infinity, height: 12),
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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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static Widget _loadingBar(
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// Composable: Metric Card scaffold
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{double width = double.infinity, double height = 16}) {
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class _MetricCard extends StatelessWidget {
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final IconData icon;
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final Color iconColor;
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final String title;
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final String subtitle;
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final Widget chart;
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final Widget footer;
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const _MetricCard({
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required this.icon,
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required this.iconColor,
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required this.title,
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required this.subtitle,
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required this.chart,
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required this.footer,
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});
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@override
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Widget build(BuildContext context) {
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return LayoutBuilder(builder: (context, constraints) {
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final maxW = constraints.maxWidth;
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final clampedW = maxW.clamp(260.0, 560.0);
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final dense = clampedW < 340;
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return SizedBox(
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width: clampedW,
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child: MyCard(
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borderRadiusAll: 5,
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paddingAll: dense ? 14 : 16,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Row(
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children: [
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_IconBadge(icon: icon, color: iconColor),
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MySpacing.width(10),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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MyText(title,
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style: DashboardOverviewWidgets._titleStyle),
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MySpacing.height(2),
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MyText(subtitle,
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style: DashboardOverviewWidgets._subtitleStyle),
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MySpacing.height(12),
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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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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Expanded(
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flex: 2,
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child: SizedBox(
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height: dense ? 110 : 80,
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child: chart,
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),
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),
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MySpacing.width(12),
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Expanded(
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flex: 1,
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child: Column(
|
||||||
|
mainAxisAlignment: MainAxisAlignment.center,
|
||||||
|
crossAxisAlignment: CrossAxisAlignment.start,
|
||||||
|
children: [
|
||||||
|
footer,
|
||||||
|
],
|
||||||
|
),
|
||||||
|
),
|
||||||
|
],
|
||||||
|
),
|
||||||
|
],
|
||||||
|
),
|
||||||
|
),
|
||||||
|
);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Composable: Two-column KPIs
|
||||||
|
class _TwoColumnKpis extends StatelessWidget {
|
||||||
|
final String leftLabel;
|
||||||
|
final String leftValue;
|
||||||
|
final String rightLabel;
|
||||||
|
final String rightValue;
|
||||||
|
final Color rightColor;
|
||||||
|
|
||||||
|
const _TwoColumnKpis({
|
||||||
|
required this.leftLabel,
|
||||||
|
required this.leftValue,
|
||||||
|
required this.rightLabel,
|
||||||
|
required this.rightValue,
|
||||||
|
required this.rightColor,
|
||||||
|
});
|
||||||
|
|
||||||
|
@override
|
||||||
|
Widget build(BuildContext context) {
|
||||||
|
return Column(
|
||||||
|
children: [
|
||||||
|
Row(
|
||||||
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||||
|
children: [
|
||||||
|
MyText(leftLabel, style: DashboardOverviewWidgets._subtitleStyle),
|
||||||
|
MyText(rightLabel, style: DashboardOverviewWidgets._subtitleStyle),
|
||||||
|
],
|
||||||
|
),
|
||||||
|
MySpacing.height(4),
|
||||||
|
Row(
|
||||||
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||||
|
children: [
|
||||||
|
MyText(leftValue, style: DashboardOverviewWidgets._metricStyle),
|
||||||
|
MyText(
|
||||||
|
rightValue,
|
||||||
|
style: DashboardOverviewWidgets._metricStyle
|
||||||
|
.copyWith(color: rightColor),
|
||||||
|
),
|
||||||
|
],
|
||||||
|
),
|
||||||
|
],
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Composable: Semi-donut chart with annotation
|
||||||
|
class _SemiDonutChart extends StatelessWidget {
|
||||||
|
final String percentLabel;
|
||||||
|
final List<_ChartData> data;
|
||||||
|
final int startAngle;
|
||||||
|
final int endAngle;
|
||||||
|
final bool showLegend;
|
||||||
|
|
||||||
|
const _SemiDonutChart({
|
||||||
|
required this.percentLabel,
|
||||||
|
required this.data,
|
||||||
|
required this.startAngle,
|
||||||
|
required this.endAngle,
|
||||||
|
this.showLegend = false,
|
||||||
|
});
|
||||||
|
|
||||||
|
bool get _hasData =>
|
||||||
|
data.isNotEmpty &&
|
||||||
|
data.any((d) => d.color != DashboardOverviewWidgets._hint);
|
||||||
|
|
||||||
|
@override
|
||||||
|
Widget build(BuildContext context) {
|
||||||
|
final chartData = _hasData
|
||||||
|
? data
|
||||||
|
: [
|
||||||
|
// Single grey slice for empty data
|
||||||
|
_ChartData('No Data', 1.0, DashboardOverviewWidgets._hint),
|
||||||
|
];
|
||||||
|
|
||||||
|
return SfCircularChart(
|
||||||
|
margin: EdgeInsets.zero,
|
||||||
|
centerX: '50%',
|
||||||
|
centerY: '50%',
|
||||||
|
legend: Legend(
|
||||||
|
isVisible: showLegend && _hasData,
|
||||||
|
position: LegendPosition.bottom,
|
||||||
|
overflowMode: LegendItemOverflowMode.wrap,
|
||||||
|
// Optional: tighter legend text reduces needed width
|
||||||
|
textStyle: const TextStyle(fontSize: 12, color: Colors.black87),
|
||||||
|
),
|
||||||
|
annotations: <CircularChartAnnotation>[
|
||||||
|
CircularChartAnnotation(
|
||||||
|
// Keep small to avoid pushing layout
|
||||||
|
height: '0%',
|
||||||
|
width: '0%',
|
||||||
|
widget: Center(
|
||||||
|
child: MyText(
|
||||||
|
percentLabel,
|
||||||
|
style: DashboardOverviewWidgets._percentStyle,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
),
|
||||||
|
],
|
||||||
|
series: <DoughnutSeries<_ChartData, String>>[
|
||||||
|
DoughnutSeries<_ChartData, String>(
|
||||||
|
dataSource: chartData,
|
||||||
|
xValueMapper: (_ChartData d, _) => d.category,
|
||||||
|
yValueMapper: (_ChartData d, _) => d.value,
|
||||||
|
pointColorMapper: (_ChartData d, _) => d.color,
|
||||||
|
startAngle: startAngle,
|
||||||
|
endAngle: endAngle,
|
||||||
|
radius: '100%',
|
||||||
|
innerRadius: '72%',
|
||||||
|
strokeWidth: 0, // avoids white stroke showing as “gap”
|
||||||
|
dataLabelSettings: const DataLabelSettings(isVisible: false),
|
||||||
|
),
|
||||||
|
],
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Small UI parts
|
||||||
|
class _IconBadge extends StatelessWidget {
|
||||||
|
final IconData icon;
|
||||||
|
final Color color;
|
||||||
|
const _IconBadge({required this.icon, required this.color});
|
||||||
|
|
||||||
|
@override
|
||||||
|
Widget build(BuildContext context) {
|
||||||
|
return Container(
|
||||||
|
padding: const EdgeInsets.all(8),
|
||||||
|
decoration: BoxDecoration(
|
||||||
|
color: DashboardOverviewWidgets._bgSoft,
|
||||||
|
borderRadius: BorderRadius.circular(10),
|
||||||
|
),
|
||||||
|
child: Icon(icon, color: color, size: 22),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class _Skeleton {
|
||||||
|
static Widget line({double width = double.infinity, double height = 14}) {
|
||||||
return Container(
|
return Container(
|
||||||
height: height,
|
|
||||||
width: width,
|
width: width,
|
||||||
|
height: height,
|
||||||
decoration: BoxDecoration(
|
decoration: BoxDecoration(
|
||||||
color: Colors.grey.shade300,
|
color: Colors.grey.shade300,
|
||||||
borderRadius: BorderRadius.circular(5),
|
borderRadius: BorderRadius.circular(6),
|
||||||
|
),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
static Widget block({double height = 120}) {
|
||||||
|
return Container(
|
||||||
|
width: double.infinity,
|
||||||
|
height: height,
|
||||||
|
decoration: BoxDecoration(
|
||||||
|
color: Colors.grey.shade200,
|
||||||
|
borderRadius: BorderRadius.circular(12),
|
||||||
),
|
),
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
@ -272,6 +418,5 @@ class _ChartData {
|
|||||||
final String category;
|
final String category;
|
||||||
final double value;
|
final double value;
|
||||||
final Color color;
|
final Color color;
|
||||||
|
|
||||||
_ChartData(this.category, this.value, this.color);
|
_ChartData(this.category, this.value, this.color);
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user