private void BtnResetChart_Click(object sender, EventArgs e)
{
ChtChart.Series.Clear();
for (int index = 0; index < ClbCountries.Items.Count; index++)
{
ClbCountries.SetItemChecked(index, false);
}
}
private void CboChartDataSet_SelectedIndexChanged(object sender, EventArgs e)
{
ChtChart.Series.Clear();
for (int index = 0; index < ClbCountries.Items.Count; index++)
{
if (ClbCountries.GetItemChecked(index))
{
AddRemoveChartSeries(index);
}
}
}
private void AddRemoveChartSeries(int countryIndex)
{
string countryName = countries[countryIndex].Name;
DataPoint dp;
if (IsCountrySelected(countryIndex))
{
ChtChart.Series.Remove(ChtChart.Series[countryName]);
ClbCountries.SetItemChecked(countryIndex, false);
}
else
{
ChtChart.Series.Add(countryName);
ChtChart.Series[countryName].ChartType = (SeriesChartType)ChartType[CboChartType.SelectedIndex];
switch (ChtChart.Series[countryName].ChartType)
{
case SeriesChartType.Line:
ChtChart.Series[countryName].IsVisibleInLegend = false;
break;
default:
ChtChart.Series[countryName].IsVisibleInLegend = true;
break;
}
int totalCases = 0;
int totalDeaths = 0;
long population = countries[countryIndex].Population;
for (int index = countries[countryIndex].CountryRecords.Count - 1; index >= 0; index--)
{
int cases = countries[countryIndex].CountryRecords[index].Cases;
int deaths = countries[countryIndex].CountryRecords[index].Deaths;
string date = countries[countryIndex].CountryRecords[index].Date;
totalCases += cases;
totalDeaths += deaths;
double yAxisData = 0.0;
string dataLabel = "";
switch ((ChartData)CboChartDataSet.SelectedIndex)
{
case ChartData.TotalCasesPerMillionPeople:
yAxisData = (double)totalCases / ((double)population / 1000000);
dataLabel = "Total Cases Per Million";
break;
case ChartData.DailyCasesPerMillionPeople:
yAxisData = (double)cases / ((double)population / 1000000);
dataLabel = "Daily Cases Per Million";
break;
case ChartData.TotalDeathsPerMillionPeople:
yAxisData = (double)totalDeaths / ((double)population / 1000000);
dataLabel = "Total Deaths Per Million";
break;
case ChartData.DailyDeathsPerMillionPeople:
yAxisData = (double)deaths / ((double)population / 1000000);
dataLabel = "Daily Deaths Per Million";
break;
case ChartData.TotalCasesByDay:
dataLabel = "Total Cases By Day";
yAxisData = (double)totalCases;
break;
case ChartData.DailyCases:
dataLabel = "Daily Cases";
yAxisData = (double)cases;
break;
case ChartData.TotalDeathsByDay:
yAxisData = (double)totalDeaths;
dataLabel = "Total Deaths Per By Day";
break;
case ChartData.DailyDeaths:
yAxisData = (double)deaths;
dataLabel = "Daily Deaths";
break;
}
ChtChart.Titles[0].Text = dataLabel;
dataLabel += ": " + string.Format("{0:#,0.#}", yAxisData);
dp = new DataPoint();
dp.SetValueXY(date, yAxisData);
dp.ToolTip = "Date: " + date + Environment.NewLine + dataLabel;
ChtChart.Series[countryName].ToolTip = "#VALX, #VAL";
ChtChart.Series[countryName].Points.Add(dp);
ChtChart.ChartAreas[0].AxisX.IsReversed = false;
ChtChart.ChartAreas[0].AxisX.Title = "Date";
ChtChart.ChartAreas[0].AxisY.Title = "Amount";
}
ChtChart.Series[countryName].Points[ChtChart.Series[countryName].Points.Count - 1].Label = countryName;
ClbCountries.SetItemChecked(countryIndex, true);
}
}
