726 lines
20 KiB
Dart
726 lines
20 KiB
Dart
// import 'dart:ui' as ui;
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// import 'package:flutter/material.dart';
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// import 'package:flutterflow_ui/flutterflow_ui.dart';
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// import 'package:vbvs_app/common/util/FitTool.dart';
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// import 'package:vbvs_app/common/util/MyUtils.dart';
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// import 'package:intl/intl.dart';
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// class SnoreChartContainer extends StatelessWidget {
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// final List<dynamic> snoreValues;
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// final List<dynamic> barData;
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// final List<dynamic> showLabel;
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// final int startTime;
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// final int endTime;
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// const SnoreChartContainer({
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// required this.snoreValues,
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// required this.barData,
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// required this.showLabel,
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// required this.startTime,
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// required this.endTime,
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// super.key,
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// });
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// @override
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// Widget build(BuildContext context) {
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// // barData.add({
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// // "type": 6,
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// // "et": 1765291778963,
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// // "st": 1765289341000,
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// // });
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// return Column(
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// crossAxisAlignment: CrossAxisAlignment.start,
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// children: [
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// SnoreBarOverlay(
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// barData: barData,
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// showLabel: showLabel,
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// startTime: startTime,
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// endTime: endTime,
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// ),
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// Container(height: 32.rpx),
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// Container(
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// height: 23.rpx,
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// child: SnoreWaveform(
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// snoreValues: snoreValues,
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// startTime: startTime,
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// endTime: endTime,
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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 SnoreBarOverlay extends StatelessWidget {
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// final List<dynamic> barData;
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// final List<dynamic> showLabel;
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// final int startTime;
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// final int endTime;
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// const SnoreBarOverlay({
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// required this.barData,
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// required this.showLabel,
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// required this.startTime,
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// required this.endTime,
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// super.key,
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// });
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// @override
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// Widget build(BuildContext context) {
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// const double barHeight = 50;
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// return SizedBox(
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// height: barHeight,
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// child: CustomPaint(
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// size: Size(double.infinity, barHeight),
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// painter: SnoreBarPainter(
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// barData: barData,
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// showLabel: showLabel,
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// startTime: startTime,
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// endTime: endTime,
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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 SnoreBarPainter extends CustomPainter {
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// final List<dynamic> barData;
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// final List<dynamic> showLabel;
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// final int startTime;
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// final int endTime;
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// SnoreBarPainter({
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// required this.barData,
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// required this.showLabel,
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// required this.startTime,
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// required this.endTime,
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// });
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// @override
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// void paint(Canvas canvas, Size size) {
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// final double width = size.width;
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// final double height = size.height;
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// final double pixelPerMs = width / (endTime - startTime);
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// for (var item in barData) {
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// final int st = item['st'];
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// final int et = item['et'];
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// final int type = item['type'];
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// int heightInit = 1;
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// final match = showLabel.firstWhere(
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// (e) => e['type'] == type,
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// orElse: () => null,
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// );
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// Color barColor = Colors.transparent;
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// if (match != null) {
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// final dynamic colorStr = match['color'];
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// if (colorStr != null && colorStr.toString().isNotEmpty) {
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// barColor = stringToColor(colorStr);
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// }
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// }
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// final Paint barPaint = Paint()
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// ..color = barColor
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// ..style = PaintingStyle.fill;
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// final double leftX = (st - startTime) * pixelPerMs;
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// final double rightX = (et - startTime) * pixelPerMs;
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// final double barWidth = rightX - leftX;
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// //rem 深睡 中
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// //浅睡 低
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// //其他 高
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// if (type == 1) {
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// heightInit = 1;
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// } else if (type == 2 || type == 6) {
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// heightInit = 2;
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// } else {
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// heightInit = 3;
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// }
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// final double barHeight = (heightInit + 5).toDouble() * 8;
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// final double top = height - barHeight;
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// final rect = Rect.fromLTWH(leftX, top, barWidth, barHeight);
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// canvas.drawRect(rect, barPaint);
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// }
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// }
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// @override
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// bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
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// }
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// class SnoreWaveform extends StatelessWidget {
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// final List<dynamic> snoreValues;
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// final int startTime;
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// final int endTime;
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// const SnoreWaveform({
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// required this.snoreValues,
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// required this.startTime,
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// required this.endTime,
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// super.key,
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// });
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// @override
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// Widget build(BuildContext context) {
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// return SizedBox(
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// height: 150,
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// child: CustomPaint(
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// size: Size(double.infinity, 150),
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// painter: SnoreWaveformPainter(
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// snoreValues: snoreValues,
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// startTime: startTime,
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// endTime: endTime,
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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 SnoreWaveformPainter extends CustomPainter {
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// final List<dynamic> snoreValues;
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// final int startTime;
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// final int endTime;
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// SnoreWaveformPainter({
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// required this.snoreValues,
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// required this.startTime,
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// required this.endTime,
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// });
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// @override
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// void paint(Canvas canvas, Size size) {
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// final double width = size.width;
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// final double height = size.height;
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// final double centerY = height / 2;
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// final double totalDuration = (endTime - startTime).toDouble();
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// final double pixelPerMs = width / totalDuration;
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// final Paint wavePaint = Paint()
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// ..color = stringToColor("#8E7DEF").withOpacity(0.8)
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// ..strokeWidth = 1.5
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// ..style = PaintingStyle.stroke;
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// final Path upperPath = Path();
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// final Path lowerPath = Path();
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// double maxValue = snoreValues.fold<double>(0, (prev, e) {
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// final value = e["value"]?.toDouble() ?? 0;
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// return value > prev ? value : prev;
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// });
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// final double maxWaveHeight = height * 1;
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// final double scaleY = maxValue > 0 ? (maxWaveHeight / maxValue) : 1;
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// for (int i = 0; i < snoreValues.length; i++) {
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// final timestamp = snoreValues[i]["st"];
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// final value = snoreValues[i]["value"]?.toDouble() ?? 0;
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// final x = (timestamp - startTime) * pixelPerMs;
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// final y = centerY - value * scaleY;
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// final yMirror = centerY + value * scaleY;
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// if (i == 0) {
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// upperPath.moveTo(x, y);
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// lowerPath.moveTo(x, yMirror);
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// } else {
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// upperPath.lineTo(x, y);
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// lowerPath.lineTo(x, yMirror);
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// }
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// }
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// canvas.drawPath(upperPath, wavePaint);
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// canvas.drawPath(lowerPath, wavePaint);
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// final Paint axisPaint = Paint()
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// ..color = Colors.grey.withOpacity(0.6)
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// ..strokeWidth = 0.5;
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// canvas.drawLine(Offset(0, centerY), Offset(width, centerY), axisPaint);
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// final textPainter = TextPainter(
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// textAlign: TextAlign.center,
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// textDirection: ui.TextDirection.ltr,
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// );
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// final int hourMs = 60 * 60 * 1000;
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// final int totalHours = (endTime - startTime) ~/ hourMs;
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// // 1. 始终显示开始时间
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// double x = 0;
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// DateTime startDt = DateTime.fromMillisecondsSinceEpoch(startTime);
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// String label = DateFormat('HH:mm').format(startDt);
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// textPainter.text = TextSpan(
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// text: label,
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// style: TextStyle(fontSize: 10, color: Colors.grey),
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// );
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// textPainter.layout();
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// textPainter.paint(
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// canvas,
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// Offset(x - textPainter.width / 2, height + 2),
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// );
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// // 2. 决定显示策略
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// if (totalHours <= 8) {
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// // 小时间段：显示所有整点小时
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// for (int t = startTime + hourMs; t < endTime; t += hourMs) {
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// x = (t - startTime) * pixelPerMs;
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// DateTime dt = DateTime.fromMillisecondsSinceEpoch(t);
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// // 判断是否接近边界（30分钟内不显示）
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// if (t - startTime < 30 * 60 * 1000 || endTime - t < 30 * 60 * 1000) {
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// continue;
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// }
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// label = dt.hour == 0 ? "0" : "${dt.hour}";
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// textPainter.text = TextSpan(
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// text: label,
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// style: TextStyle(fontSize: 10, color: Colors.grey),
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// );
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// textPainter.layout();
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// textPainter.paint(
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// canvas,
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// Offset(x - textPainter.width / 2, height + 2),
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// );
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// }
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// } else {
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// // 长时间段：使用自适应间隔
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// int labelInterval = (totalHours / 6).ceil();
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// // 计算第一个标签位置（对齐整点）
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// int firstLabelMs =
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// ((startTime ~/ (labelInterval * hourMs))) * labelInterval * hourMs;
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// if (firstLabelMs <= startTime) {
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// firstLabelMs += labelInterval * hourMs;
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// }
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// // 绘制中间标签
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// for (int t = firstLabelMs; t < endTime; t += labelInterval * hourMs) {
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// // 跳过太接近边界的时间点（1小时内不显示）
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// if (t - startTime < hourMs || endTime - t < hourMs) continue;
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// x = (t - startTime) * pixelPerMs;
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// DateTime dt = DateTime.fromMillisecondsSinceEpoch(t);
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// label = dt.hour == 0 ? "0" : "${dt.hour}";
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// textPainter.text = TextSpan(
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// text: label,
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// style: TextStyle(fontSize: 10, color: Colors.grey),
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// );
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// textPainter.layout();
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// textPainter.paint(
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// canvas,
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// Offset(x - textPainter.width / 2, height + 2),
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// );
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// }
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// }
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// // 3. 始终显示结束时间
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// x = (endTime - startTime) * pixelPerMs;
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// DateTime endDt = DateTime.fromMillisecondsSinceEpoch(endTime);
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// label = DateFormat('HH:mm').format(endDt);
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// textPainter.text = TextSpan(
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// text: label,
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// style: TextStyle(fontSize: 10, color: Colors.grey),
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// );
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// textPainter.layout();
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// textPainter.paint(
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// canvas,
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// Offset(x - textPainter.width / 2, height + 2),
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// );
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// }
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// @override
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// bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
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// }
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import 'dart:ui' as ui;
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import 'package:flutter/material.dart';
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import 'package:flutterflow_ui/flutterflow_ui.dart';
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import 'package:vbvs_app/common/util/FitTool.dart';
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import 'package:vbvs_app/common/util/MyUtils.dart';
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import 'package:intl/intl.dart';
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class SnoreChartContainer extends StatelessWidget {
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final List<dynamic> snoreValues;
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final List<dynamic> barData;
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final List<dynamic> showLabel;
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final int startTime;
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final int endTime;
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const SnoreChartContainer({
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required this.snoreValues,
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required this.barData,
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required this.showLabel,
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required this.startTime,
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required this.endTime,
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super.key,
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});
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@override
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Widget build(BuildContext context) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SnoreBarOverlay(
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barData: barData,
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showLabel: showLabel,
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startTime: startTime,
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endTime: endTime,
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),
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Container(height: 32.rpx),
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Container(
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height: 23.rpx,
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child: SnoreWaveform(
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snoreValues: snoreValues,
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startTime: startTime,
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endTime: endTime,
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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 SnoreBarOverlay extends StatelessWidget {
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final List<dynamic> barData;
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final List<dynamic> showLabel;
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final int startTime;
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final int endTime;
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const SnoreBarOverlay({
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required this.barData,
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required this.showLabel,
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required this.startTime,
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required this.endTime,
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super.key,
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});
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@override
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Widget build(BuildContext context) {
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const double barHeight = 50;
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return SizedBox(
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height: barHeight,
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child: CustomPaint(
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size: Size(double.infinity, barHeight),
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painter: SnoreBarPainter(
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barData: barData,
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showLabel: showLabel,
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startTime: startTime,
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endTime: endTime,
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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 SnoreBarPainter extends CustomPainter {
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final List<dynamic> barData;
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final List<dynamic> showLabel;
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final int startTime;
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final int endTime;
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SnoreBarPainter({
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required this.barData,
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required this.showLabel,
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required this.startTime,
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required this.endTime,
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});
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@override
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void paint(Canvas canvas, Size size) {
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final double width = size.width;
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final double height = size.height;
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final double pixelPerMs = width / (endTime - startTime);
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for (var item in barData) {
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final int st = item['st'];
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final int et = item['et'];
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final int type = item['type'];
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int heightInit = 1;
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final match = showLabel.firstWhere(
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(e) => e['type'] == type,
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orElse: () => null,
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);
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Color barColor = Colors.transparent;
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if (match != null) {
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final dynamic colorStr = match['color'];
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if (colorStr != null && colorStr.toString().isNotEmpty) {
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barColor = stringToColor(colorStr);
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}
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}
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final Paint barPaint = Paint()
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..color = barColor
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..style = PaintingStyle.fill;
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final double leftX = (st - startTime) * pixelPerMs;
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final double rightX = (et - startTime) * pixelPerMs;
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final double barWidth = rightX - leftX;
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//rem 深睡 中
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//浅睡 低
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//其他 高
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if (type == 1) {
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heightInit = 1;
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} else if (type == 2 || type == 6) {
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heightInit = 2;
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} else {
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heightInit = 3;
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}
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final double barHeight = (heightInit + 5).toDouble() * 8;
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final double top = height - barHeight;
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final rect = Rect.fromLTWH(leftX, top, barWidth, barHeight);
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canvas.drawRect(rect, barPaint);
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}
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}
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@override
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bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
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}
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class SnoreWaveform extends StatelessWidget {
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final List<dynamic> snoreValues;
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final int startTime;
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final int endTime;
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const SnoreWaveform({
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required this.snoreValues,
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required this.startTime,
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required this.endTime,
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super.key,
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});
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@override
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Widget build(BuildContext context) {
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return SizedBox(
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height: 150,
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child: LayoutBuilder(
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builder: (context, constraints) {
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return CustomPaint(
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size: Size(constraints.maxWidth, constraints.maxHeight),
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painter: SnoreWaveformPainter(
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snoreValues: snoreValues,
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startTime: startTime,
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endTime: endTime,
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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 SnoreWaveformPainter extends CustomPainter {
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final List<dynamic> snoreValues;
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final int startTime;
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final int endTime;
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SnoreWaveformPainter({
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required this.snoreValues,
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required this.startTime,
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required this.endTime,
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});
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@override
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void paint(Canvas canvas, Size size) {
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final double width = size.width;
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final double height = size.height;
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if (width <= 0 || height <= 0) return;
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final double totalDuration = (endTime - startTime).toDouble();
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if (totalDuration <= 0) return;
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final double pixelPerMs = width / totalDuration;
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// 过滤在时间范围内的有效事件
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final validEvents = snoreValues.where((e) {
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final int st = e['st'];
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final int et = e['et'];
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// 事件与时间范围有重叠
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return !(et <= startTime || st >= endTime);
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}).toList();
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if (validEvents.isEmpty) {
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// 绘制无数据提示
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final textPainter = TextPainter(
|
||
text: TextSpan(
|
||
text: '无打鼾数据',
|
||
style: TextStyle(color: Colors.grey, fontSize: 12),
|
||
),
|
||
textDirection: ui.TextDirection.ltr,
|
||
);
|
||
textPainter.layout();
|
||
textPainter.paint(
|
||
canvas, Offset(width / 2 - textPainter.width / 2, height / 2 - 10));
|
||
return;
|
||
}
|
||
|
||
// 计算中心线位置
|
||
final double centerY = height / 2;
|
||
|
||
// 统一使用一个颜色（打鼾颜色）
|
||
final Color snoreColor = stringToColor("#8E7DEF").withOpacity(0.8);
|
||
final Paint barPaint = Paint()
|
||
..color = snoreColor
|
||
..style = PaintingStyle.fill;
|
||
|
||
final Paint borderPaint = Paint()
|
||
..color = snoreColor.withOpacity(0.9)
|
||
..style = PaintingStyle.stroke
|
||
..strokeWidth = 0.5;
|
||
|
||
// 固定高度（上下对称）
|
||
final double fixedBarHeight = height * 0.3; // 固定为画布高度的30%
|
||
|
||
// 绘制每个打鼾事件（上下对称的柱状图）
|
||
for (final event in validEvents) {
|
||
final int st = event['st'];
|
||
final int et = event['et'];
|
||
|
||
// 计算绘制位置（裁剪到可视范围内）
|
||
final double startX = (st - startTime) * pixelPerMs;
|
||
final double endX = (et - startTime) * pixelPerMs;
|
||
|
||
// 确保在画布范围内
|
||
if (endX < 0 || startX > width) continue;
|
||
|
||
final double drawStartX = startX.clamp(0, width);
|
||
final double drawEndX = endX.clamp(0, width);
|
||
final double drawWidth = drawEndX - drawStartX;
|
||
|
||
if (drawWidth <= 0) continue;
|
||
|
||
// 绘制上方的柱状图
|
||
final double topBarTop = centerY - fixedBarHeight;
|
||
final Rect topRect =
|
||
Rect.fromLTWH(drawStartX, topBarTop, drawWidth, fixedBarHeight);
|
||
canvas.drawRect(topRect, barPaint);
|
||
canvas.drawRect(topRect, borderPaint);
|
||
|
||
// 绘制下方的柱状图（对称）
|
||
final double bottomBarTop = centerY;
|
||
final Rect bottomRect =
|
||
Rect.fromLTWH(drawStartX, bottomBarTop, drawWidth, fixedBarHeight);
|
||
canvas.drawRect(bottomRect, barPaint);
|
||
canvas.drawRect(bottomRect, borderPaint);
|
||
}
|
||
|
||
// 绘制中心线
|
||
final Paint axisPaint = Paint()
|
||
..color = Colors.grey.withOpacity(0.3)
|
||
..strokeWidth = 0.5;
|
||
canvas.drawLine(Offset(0, centerY), Offset(width, centerY), axisPaint);
|
||
|
||
// 绘制时间轴标签
|
||
final textPainter = TextPainter(
|
||
textAlign: TextAlign.center,
|
||
textDirection: ui.TextDirection.ltr,
|
||
);
|
||
|
||
final int hourMs = 60 * 60 * 1000;
|
||
final int totalHours = (endTime - startTime) ~/ hourMs;
|
||
|
||
// 1. 始终显示开始时间
|
||
double x = 0;
|
||
DateTime startDt = DateTime.fromMillisecondsSinceEpoch(startTime);
|
||
String label = DateFormat('HH:mm').format(startDt);
|
||
|
||
textPainter.text = TextSpan(
|
||
text: label,
|
||
style: TextStyle(fontSize: 10, color: Colors.grey),
|
||
);
|
||
textPainter.layout();
|
||
textPainter.paint(
|
||
canvas,
|
||
Offset(x - textPainter.width / 2, height + 2),
|
||
);
|
||
|
||
// 2. 决定显示策略
|
||
if (totalHours <= 8) {
|
||
// 小时间段：显示所有整点小时
|
||
for (int t = startTime + hourMs; t < endTime; t += hourMs) {
|
||
x = (t - startTime) * pixelPerMs;
|
||
DateTime dt = DateTime.fromMillisecondsSinceEpoch(t);
|
||
|
||
// 判断是否接近边界（30分钟内不显示）
|
||
if (t - startTime < 30 * 60 * 1000 || endTime - t < 30 * 60 * 1000) {
|
||
continue;
|
||
}
|
||
|
||
label = dt.hour == 0 ? "0" : "${dt.hour}";
|
||
|
||
textPainter.text = TextSpan(
|
||
text: label,
|
||
style: TextStyle(fontSize: 10, color: Colors.grey),
|
||
);
|
||
textPainter.layout();
|
||
textPainter.paint(
|
||
canvas,
|
||
Offset(x - textPainter.width / 2, height + 2),
|
||
);
|
||
}
|
||
} else {
|
||
// 长时间段：使用自适应间隔
|
||
int labelInterval = (totalHours / 6).ceil();
|
||
|
||
// 计算第一个标签位置（对齐整点）
|
||
int firstLabelMs =
|
||
((startTime ~/ (labelInterval * hourMs))) * labelInterval * hourMs;
|
||
if (firstLabelMs <= startTime) {
|
||
firstLabelMs += labelInterval * hourMs;
|
||
}
|
||
|
||
// 绘制中间标签
|
||
for (int t = firstLabelMs; t < endTime; t += labelInterval * hourMs) {
|
||
// 跳过太接近边界的时间点（1小时内不显示）
|
||
if (t - startTime < hourMs || endTime - t < hourMs) continue;
|
||
|
||
x = (t - startTime) * pixelPerMs;
|
||
DateTime dt = DateTime.fromMillisecondsSinceEpoch(t);
|
||
label = dt.hour == 0 ? "0" : "${dt.hour}";
|
||
|
||
textPainter.text = TextSpan(
|
||
text: label,
|
||
style: TextStyle(fontSize: 10, color: Colors.grey),
|
||
);
|
||
textPainter.layout();
|
||
textPainter.paint(
|
||
canvas,
|
||
Offset(x - textPainter.width / 2, height + 2),
|
||
);
|
||
}
|
||
}
|
||
|
||
// 3. 始终显示结束时间
|
||
x = (endTime - startTime) * pixelPerMs;
|
||
DateTime endDt = DateTime.fromMillisecondsSinceEpoch(endTime);
|
||
label = DateFormat('HH:mm').format(endDt);
|
||
|
||
textPainter.text = TextSpan(
|
||
text: label,
|
||
style: TextStyle(fontSize: 10, color: Colors.grey),
|
||
);
|
||
textPainter.layout();
|
||
textPainter.paint(
|
||
canvas,
|
||
Offset(x - textPainter.width / 2, height + 2),
|
||
);
|
||
}
|
||
|
||
@override
|
||
bool shouldRepaint(covariant SnoreWaveformPainter oldDelegate) {
|
||
return oldDelegate.snoreValues != snoreValues ||
|
||
oldDelegate.startTime != startTime ||
|
||
oldDelegate.endTime != endTime;
|
||
}
|
||
}
|