doctor_app_flutter/lib/screens/home/dashboard_referral_patient.dart

import 'package:charts_flutter/flutter.dart' as charts;
import 'package:doctor_app_flutter/config/config.dart';
import 'package:doctor_app_flutter/config/size_config.dart';
import 'package:doctor_app_flutter/core/viewModel/dashboard_view_model.dart';
import 'package:doctor_app_flutter/models/dashboard/dashboard_model.dart';
import 'package:doctor_app_flutter/util/translations_delegate_base.dart';
import 'package:doctor_app_flutter/widgets/dashboard/guage_chart.dart';
import 'package:doctor_app_flutter/widgets/dashboard/row_count.dart';
import 'package:doctor_app_flutter/widgets/shared/app_texts_widget.dart';
import 'package:doctor_app_flutter/widgets/shared/rounded_container_widget.dart';
import 'package:flutter/material.dart';

import 'label.dart';

class DashboardReferralPatient extends StatelessWidget {
  final List<DashboardModel> dashboardItemList;
  final double height;
  final DashboardViewModel model;

  const DashboardReferralPatient({Key key, this.dashboardItemList, this.height, this.model}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return Container(
      margin: EdgeInsets.only(bottom: 20, top: 10, left: 5, right: 5),
      decoration: BoxDecoration(

        color: Colors.white,
        borderRadius: BorderRadius.only(
            topLeft: Radius.circular(20),
            topRight: Radius.circular(20),
            bottomLeft: Radius.circular(20),
            bottomRight: Radius.circular(20)
        ),
        boxShadow: [
          BoxShadow(
            color: Colors.grey.withOpacity(0.5),
            spreadRadius: 0,
            blurRadius: 9,
            offset: Offset(0, 0), // changes position of shadow
          ),
        ],
      ),
      child: Column(crossAxisAlignment: CrossAxisAlignment.start, mainAxisAlignment: MainAxisAlignment.start, children: [
        Expanded(
            flex: 1,
            child: Row(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Expanded(
                  flex: 4,
                  child: Padding(
                      padding: const EdgeInsets.all(5.0),
                      child: Column(
                        mainAxisAlignment: MainAxisAlignment.start,
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          Padding(
                            padding: EdgeInsets.all(8),
                            child: Column(
                              mainAxisAlignment: MainAxisAlignment.center,
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                SizedBox(
                                    height: SizeConfig.getHeightMultiplier(height: height) *
                                        (SizeConfig.isHeightVeryShort?
                                             3
                                            : SizeConfig.isHeightShort?
                                             2
                                            : 2)),
                                Label(
                                  firstLine: TranslationBase.of(context).patients,
                                  secondLine: TranslationBase.of(context).referral,
                                  color: Color(0xFF2B353E),
                                  secondLineFontSize: SizeConfig.getHeightMultiplier(height: height) *
                                      (SizeConfig.isHeightVeryShort?
                                           5
                                          : SizeConfig.isHeightShort?
                                           7
                                          : 12),
                                ),
                                SizedBox(
                                    height: SizeConfig.getHeightMultiplier(height: height) *
                                        (SizeConfig.isHeightVeryShort?
                                             5
                                            : SizeConfig.isHeightShort?
                                             10
                                            : 5))
                              ],
                            ),
                          ),
                          Expanded(
                            flex: 1,
                            child: Column(
                              mainAxisAlignment: MainAxisAlignment.start,
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                RowCounts(
                                  dashboardItemList[2].summaryoptions[0].kPIParameter,
                                  dashboardItemList[2].summaryoptions[0].value,
                                  AppGlobal.appTextColor,
                                  height: height,
                                ),
                                RowCounts(
                                  dashboardItemList[2].summaryoptions[1].kPIParameter,
                                  dashboardItemList[2].summaryoptions[1].value,
                                  Color(0xFFC8D0DC),
                                  height: height,
                                ),
                                RowCounts(
                                  dashboardItemList[2].summaryoptions[2].kPIParameter,
                                  dashboardItemList[2].summaryoptions[2].value,
                                  Color(0xFFEC6666),
                                  height: height,
                                ),
                              ],
                            ),
                          )
                        ],
                      )),
                ),
                Expanded(
                  flex: 3,
                  child: Stack(children: [
                    Container(padding: EdgeInsets.all(0), child: GaugeChart(_createReferralData(dashboardItemList))),
                    Positioned(
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.center,
                          children: [
                            AppText(
                              model.getPatientCount(dashboardItemList[2]).toString(),
                              fontSize: SizeConfig.textMultiplier * 3.0,
                              fontWeight: FontWeight.bold,
                            )
                          ],
                        ),
                        top: height * (SizeConfig.isHeightVeryShort ? 0.35 : 0.35),
                        left: 0,
                        right: 0)
                  ]),
                ),
              ],
            )),
      ]),
    );
  }

  static List<charts.Series<GaugeSegment, String>> _createReferralData(List<DashboardModel> dashboardItemList) {
    final data = [
      new GaugeSegment(dashboardItemList[2].summaryoptions[0].kPIParameter,
          getValue(dashboardItemList[1].summaryoptions[0].value), charts.ColorUtil.fromDartColor(AppGlobal.appTextColor)),
      new GaugeSegment(dashboardItemList[2].summaryoptions[1].kPIParameter,
          getValue(dashboardItemList[1].summaryoptions[1].value), charts.ColorUtil.fromDartColor(Color(0xFFC6CEDA),),),
      new GaugeSegment(dashboardItemList[2].summaryoptions[2].kPIParameter,
          getValue(dashboardItemList[1].summaryoptions[2].value), charts.ColorUtil.fromDartColor(Color(0xFFEC6666),),),
    ];

    return [
      new charts.Series<GaugeSegment, String>(
        id: 'Segments',
        domainFn: (GaugeSegment segment, _) => segment.segment,
        measureFn: (GaugeSegment segment, _) => segment.size,
        strokeWidthPxFn: (GaugeSegment segment, _)=>200,

        data: data,
        colorFn: (GaugeSegment segment, _) => segment.color,
      )
    ];
  }

  static int getValue(value) {
    return value == 0 ? 1 : value;
  }
}