igen
This commit is contained in:
@@ -1,156 +1,156 @@
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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class GoalInput extends StatelessWidget {
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const GoalInput({Key? key, required this.currentAverage, required this.value, required this.onChanged}) : super(key: key);
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final double currentAverage;
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final double value;
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final void Function(double value) onChanged;
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void offsetToValue(Offset offset, Size size) {
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double v = ((offset.dx / size.width * 4 + 1) * 10).round() / 10;
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v = v.clamp(1.5, 5);
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v = v.clamp(((currentAverage * 10).round() / 10), 5);
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setValue(v);
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}
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void setValue(double v) {
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if (v != value) {
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HapticFeedback.lightImpact();
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}
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onChanged(v);
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}
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@override
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Widget build(BuildContext context) {
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List<int> presets = [2, 3, 4, 5];
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presets = presets.where((e) => gradeToAvg(e) > currentAverage).toList();
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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LayoutBuilder(builder: (context, size) {
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return GestureDetector(
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onTapDown: (details) {
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offsetToValue(details.localPosition, size.biggest);
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},
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onHorizontalDragUpdate: (details) {
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offsetToValue(details.localPosition, size.biggest);
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},
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child: SizedBox(
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height: 32.0,
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width: double.infinity,
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child: Padding(
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padding: const EdgeInsets.only(right: 20.0),
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child: CustomPaint(
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painter: GoalSliderPainter(value: (value - 1) / 4),
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),
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),
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),
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);
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}),
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const SizedBox(height: 12.0),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: presets.map((e) {
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final pv = (value * 10).round() / 10;
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final selected = gradeToAvg(e) == pv;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 12.0),
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(99.0),
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color: gradeColor(e).withOpacity(selected ? 1.0 : 0.2),
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border: Border.all(color: gradeColor(e), width: 4),
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),
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child: Material(
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type: MaterialType.transparency,
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child: InkWell(
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borderRadius: BorderRadius.circular(99.0),
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onTap: () => setValue(gradeToAvg(e)),
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 2.0, horizontal: 24.0),
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child: Text(
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e.toString(),
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style: TextStyle(
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color: selected ? Colors.white : gradeColor(e),
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fontWeight: FontWeight.bold,
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fontSize: 24.0,
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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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}).toList(),
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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 GoalSliderPainter extends CustomPainter {
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final double value;
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GoalSliderPainter({required this.value});
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@override
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void paint(Canvas canvas, Size size) {
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final radius = size.height / 2;
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const cpadding = 4;
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final rect = Rect.fromLTWH(0, 0, size.width + radius, size.height);
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final vrect = Rect.fromLTWH(0, 0, size.width * value + radius, size.height);
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canvas.drawRRect(
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RRect.fromRectAndRadius(
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rect,
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const Radius.circular(99.0),
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),
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Paint()..color = Colors.black.withOpacity(.1),
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);
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canvas.drawRRect(
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RRect.fromRectAndRadius(
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vrect,
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const Radius.circular(99.0),
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),
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Paint()
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..shader = const LinearGradient(colors: [
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Color(0xffFF3B30),
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Color(0xffFF9F0A),
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Color(0xffFFD60A),
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Color(0xff34C759),
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Color(0xff247665),
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]).createShader(rect),
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);
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canvas.drawOval(
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Rect.fromCircle(center: Offset(size.width * value, size.height / 2), radius: radius - cpadding),
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Paint()..color = Colors.white,
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);
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for (int i = 1; i < 4; i++) {
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canvas.drawOval(
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Rect.fromCircle(center: Offset(size.width / 4 * i, size.height / 2), radius: 4),
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Paint()..color = Colors.white.withOpacity(.5),
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);
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}
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}
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@override
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bool shouldRepaint(GoalSliderPainter oldDelegate) {
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return oldDelegate.value != value;
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}
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}
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double gradeToAvg(int grade) {
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return grade - 0.5;
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}
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Color gradeColor(int grade) {
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return [
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const Color(0xffFF3B30),
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const Color(0xffFF9F0A),
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const Color(0xffFFD60A),
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const Color(0xff34C759),
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const Color(0xff247665),
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].elementAt(grade.clamp(1, 5) - 1);
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}
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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class GoalInput extends StatelessWidget {
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const GoalInput({Key? key, required this.currentAverage, required this.value, required this.onChanged}) : super(key: key);
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final double currentAverage;
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final double value;
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final void Function(double value) onChanged;
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void offsetToValue(Offset offset, Size size) {
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double v = ((offset.dx / size.width * 4 + 1) * 10).round() / 10;
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v = v.clamp(1.5, 5);
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v = v.clamp(((currentAverage * 10).round() / 10), 5);
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setValue(v);
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}
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void setValue(double v) {
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if (v != value) {
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HapticFeedback.lightImpact();
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}
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onChanged(v);
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}
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@override
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Widget build(BuildContext context) {
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List<int> presets = [2, 3, 4, 5];
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presets = presets.where((e) => gradeToAvg(e) > currentAverage).toList();
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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LayoutBuilder(builder: (context, size) {
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return GestureDetector(
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onTapDown: (details) {
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offsetToValue(details.localPosition, size.biggest);
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},
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onHorizontalDragUpdate: (details) {
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offsetToValue(details.localPosition, size.biggest);
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},
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child: SizedBox(
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height: 32.0,
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width: double.infinity,
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child: Padding(
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padding: const EdgeInsets.only(right: 20.0),
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child: CustomPaint(
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painter: GoalSliderPainter(value: (value - 1) / 4),
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),
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),
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),
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);
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}),
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const SizedBox(height: 12.0),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: presets.map((e) {
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final pv = (value * 10).round() / 10;
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final selected = gradeToAvg(e) == pv;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 12.0),
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(99.0),
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color: gradeColor(e).withOpacity(selected ? 1.0 : 0.2),
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border: Border.all(color: gradeColor(e), width: 4),
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),
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child: Material(
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type: MaterialType.transparency,
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child: InkWell(
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borderRadius: BorderRadius.circular(99.0),
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onTap: () => setValue(gradeToAvg(e)),
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 2.0, horizontal: 24.0),
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child: Text(
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e.toString(),
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style: TextStyle(
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color: selected ? Colors.white : gradeColor(e),
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fontWeight: FontWeight.bold,
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fontSize: 24.0,
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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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}).toList(),
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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 GoalSliderPainter extends CustomPainter {
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final double value;
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GoalSliderPainter({required this.value});
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@override
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void paint(Canvas canvas, Size size) {
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final radius = size.height / 2;
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const cpadding = 4;
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final rect = Rect.fromLTWH(0, 0, size.width + radius, size.height);
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final vrect = Rect.fromLTWH(0, 0, size.width * value + radius, size.height);
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canvas.drawRRect(
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RRect.fromRectAndRadius(
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rect,
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const Radius.circular(99.0),
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),
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Paint()..color = Colors.black.withOpacity(.1),
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);
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canvas.drawRRect(
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RRect.fromRectAndRadius(
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vrect,
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const Radius.circular(99.0),
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),
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Paint()
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..shader = const LinearGradient(colors: [
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Color(0xffFF3B30),
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Color(0xffFF9F0A),
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Color(0xffFFD60A),
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Color(0xff34C759),
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Color(0xff247665),
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]).createShader(rect),
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);
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canvas.drawOval(
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Rect.fromCircle(center: Offset(size.width * value, size.height / 2), radius: radius - cpadding),
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Paint()..color = Colors.white,
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);
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for (int i = 1; i < 4; i++) {
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canvas.drawOval(
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Rect.fromCircle(center: Offset(size.width / 4 * i, size.height / 2), radius: 4),
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Paint()..color = Colors.white.withOpacity(.5),
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);
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}
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}
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@override
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bool shouldRepaint(GoalSliderPainter oldDelegate) {
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return oldDelegate.value != value;
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}
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}
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double gradeToAvg(int grade) {
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return grade - 0.5;
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}
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Color gradeColor(int grade) {
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return [
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const Color(0xffFF3B30),
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const Color(0xffFF9F0A),
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const Color(0xffFFD60A),
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const Color(0xff34C759),
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const Color(0xff247665),
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].elementAt(grade.clamp(1, 5) - 1);
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}
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