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 MonthLineChartCurved extends StatelessWidget { final String title; final List timeSeries; final int indexes; final double horizontalInterval; MonthLineChartCurved({this.title, this.timeSeries, this.indexes, this.horizontalInterval = 15.0}); List xAxixs = List(); List yAxixs = List(); @override Widget build(BuildContext context) { getXaxix(); getYaxix(); return AspectRatio( aspectRatio: 1.1, 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: 15, letterSpacing: 2), textAlign: TextAlign.center, ), SizedBox( height: 10, ), Expanded( child: Padding( padding: const EdgeInsets.only(right: 18.0, left: 16.0, top: 15, bottom: 15), 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( horizontalInterval: horizontalInterval, show: true, drawVerticalLine: true, drawHorizontalLine: true), titlesData: FlTitlesData( bottomTitles: SideTitles( showTitles: true, getTextStyles: (value) => const TextStyle( color: Colors.black, fontSize: 10, ), margin: 22, getTitles: (value) { return '${value.toInt()}'; }, ), leftTitles: SideTitles( showTitles: true, getTextStyles: (value) => const TextStyle( color: Colors.black, fontWeight: FontWeight.bold, fontSize: 10, ), interval:getMaxY() - getMinY() <=500?50:getMaxY() - getMinY() <=1000?100:200, // getTitles: (value) { // if (value.toInt() == 0) // return '${value.toInt()}'; // else if (value.toInt() % horizontalInterval == 0) // return '${value.toInt()}'; // else // return ''; // }, 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: 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[0].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(); if (timeSeries.length == 0) { spots.add(FlSpot(0, 0)); } 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: 5, isStrokeCapRound: true, curveSmoothness: 0.0, dotData: FlDotData( show: false, ), belowBarData: BarAreaData( show: false, ), ); return [ lineChartBarData1, ]; } }