import 'package:diplomaticquarterapp/widgets/charts/app_time_series_chart.dart'; import 'package:fl_chart/fl_chart.dart'; import 'package:flutter/material.dart'; import '../../Constants.dart'; class ShowChart extends StatelessWidget { final String title; final List timeSeries; final int indexes; final double horizontalInterval; ShowChart({this.title, this.timeSeries, this.indexes, this.horizontalInterval = 20.0}); List xAxixs = List(); List yAxixs = List(); @override Widget build(BuildContext context) { getXaxix(); getYaxix(); return AspectRatio( aspectRatio: 1.0, child: Container( decoration: const BoxDecoration( borderRadius: BorderRadius.all(Radius.circular(18)), // color: Colors.white, ), child: Stack( children: [ Column( crossAxisAlignment: CrossAxisAlignment.stretch, children: [ const SizedBox( height: 4, ), Text( title, style: TextStyle(color: Colors.black, fontSize: 16, letterSpacing: -0.64, fontWeight: FontWeight.w600), textAlign: TextAlign.center, ), SizedBox( height: 10, ), Expanded( child: Padding( padding: const EdgeInsets.only(right: 18.0, left: 16.0), child: LineChart( sampleData1(context), swapAnimationDuration: const Duration(milliseconds: 250), ), ), ), const SizedBox( height: 10, ), ], ), ], ), ), ); } getXaxix() { for (int index = 0; index < timeSeries.length; index++) { int mIndex = indexes * index; if (mIndex < timeSeries.length) { xAxixs.add(mIndex); } } } getYaxix() { int indexess = (timeSeries.length * 0.30).toInt(); for (int index = 0; index < timeSeries.length; index++) { int mIndex = indexess * index; if (mIndex < timeSeries.length) { yAxixs.add(timeSeries[mIndex].sales); } } } // LineChartData sampleData1(context) { // return LineChartData( // lineTouchData: LineTouchData( // touchTooltipData: LineTouchTooltipData( // tooltipBgColor: Colors.white, // ), // touchCallback: (LineTouchResponse touchResponse) {}, // handleBuiltInTouches: true, // ), // gridData: FlGridData(show: true, drawVerticalLine: true, drawHorizontalLine: true, horizontalInterval: 14, verticalInterval: 14), // titlesData: FlTitlesData( // bottomTitles: SideTitles( // showTitles: true, // getTextStyles: (value) => const TextStyle( // color: Colors.black, // fontSize: 10, // ), // // rotateAngle: 90, // //rotateAngle:-65, // margin: 22, // getTitles: (value) { // if (timeSeries.length < 15) { // if (timeSeries.length > value.toInt()) { // return '${timeSeries[value.toInt()].time.month}/ ${timeSeries[value.toInt()].time.year}'; // } else // return ''; // } else { // if (value.toInt() == 0) return '${timeSeries[value.toInt()].time.month}/ ${timeSeries[value.toInt()].time.year}'; // if (value.toInt() == timeSeries.length - 1) return '${timeSeries[value.toInt()].time.month}/ ${timeSeries[value.toInt()].time.year}'; // if (xAxixs.contains(value.toInt())) { // return '${timeSeries[value.toInt()].time.month}/ ${timeSeries[value.toInt()].time.year}'; // } // } // return ''; // }, // ), // leftTitles: SideTitles( // showTitles: true, // // interval:getMaxY() - getMinY() <=500?50:getMaxY() - getMinY() <=1000?100:200, // interval: 3, // getTextStyles: (value) => const TextStyle( // color: Colors.black, // fontWeight: FontWeight.bold, // fontSize: 10, // ), // // margin: 12, // ), // ), // borderData: FlBorderData( // show: true, // border: const Border( // bottom: BorderSide( // color: Colors.black, // width: 0.5, // ), // left: BorderSide( // color: Colors.black, // ), // right: BorderSide( // color: Colors.black, // ), // top: BorderSide( // color: Colors.transparent, // ), // ), // ), // minX: 0, // maxX: (timeSeries.length - 1).toDouble(), // maxY: getMaxY() + 0.3, // minY: 0, // //getMinY(), // lineBarsData: getData(context), // ); // } LineChartData sampleData1(context) { return LineChartData( lineTouchData: LineTouchData( touchTooltipData: LineTouchTooltipData( tooltipBgColor: Colors.white, ), touchCallback: (LineTouchResponse touchResponse) {}, handleBuiltInTouches: true, ), gridData: FlGridData(show: true, drawVerticalLine: true, drawHorizontalLine: true, horizontalInterval: 14, verticalInterval: 14), titlesData: FlTitlesData( bottomTitles: SideTitles( showTitles: true, getTextStyles: (value) => const TextStyle( color: Colors.black, fontSize: 10, ), rotateAngle: -65, margin: 22, getTitles: (value) { if (timeSeries.length < 15) { if (timeSeries.length > value.toInt()) { return '${timeSeries[value.toInt()].time.month}/ ${timeSeries[value.toInt()].time.year}'; } else return ''; } else { if (value.toInt() == 0) return '${timeSeries[value.toInt()].time.month}/ ${timeSeries[value.toInt()].time.year}'; if (value.toInt() == timeSeries.length - 1) return '${timeSeries[value.toInt()].time.month}/ ${timeSeries[value.toInt()].time.year}'; if (xAxixs.contains(value.toInt())) { return '${timeSeries[value.toInt()].time.month}/ ${timeSeries[value.toInt()].time.year}'; } } return ''; }, ), leftTitles: SideTitles( showTitles: true, getTextStyles: (value) => const TextStyle( color: Colors.black, fontWeight: FontWeight.bold, fontSize: 10, ), interval: 3.0, // interval: getMaxY() - getMinY() <= 500 // ? getMaxY() - getMinY() <= 50 // ? 10 // : 10 // : getMaxY() - getMinY() <= 1000 // ? 100 // : getMaxY() - getMinY() >= 10000 // ? 5000 // : 200, margin: 12, ), ), borderData: FlBorderData( show: true, border: const Border( bottom: BorderSide( color: Colors.black, width: 0.5, ), left: BorderSide( color: Colors.black, ), right: BorderSide( color: Colors.black, ), top: BorderSide( color: Colors.transparent, ), ), ), minX: 0, maxX: (timeSeries.length - 1).toDouble(), maxY: getMaxY() + 0.3, minY: 0, //getMinY(), lineBarsData: getData(context), ); } double getMaxY() { double max = 0; timeSeries.forEach((element) { double resultValueDouble = element.sales; if (resultValueDouble > max) max = resultValueDouble; }); return max.roundToDouble(); } double getMinY() { double min = timeSeries.isEmpty ? 0 : timeSeries.first.sales; timeSeries.forEach((element) { double resultValueDouble = element.sales; if (resultValueDouble < min) min = resultValueDouble; }); int value = min.toInt(); return value.toDouble(); } List getData(context) { List spots = List(); for (int index = 0; index < timeSeries.length; index++) { spots.add(FlSpot(index.toDouble(), timeSeries[index].sales)); } final LineChartBarData lineChartBarData1 = LineChartBarData( spots: spots, isCurved: true, colors: [secondaryColor], barWidth: 1.5, isStrokeCapRound: true, dotData: FlDotData( show: false, ), belowBarData: BarAreaData( show: false, ), ); return [ lineChartBarData1, ]; } }