public override void DidDataPointSelect(SFChart chart, SFChartSelectionInfo info)
{
int selectedindex = info.SelectedDataPointIndex;
if (selectedindex >= 0)
{
SFSeries series = info.SelectedSeries;
if (series != null)
{
SFChartDataPoint dataPoint = (chart.DataSource as ChartSelectionDataSource).GetDataPoint(chart, selectedindex, 0);
if (dataPoint == null)
{
(chart.Superview as DataPointSelection).SetLabelContent(null, null);
}
else
{
String x = dataPoint.XValue.ToString();
String y = dataPoint.YValue.ToString();
(chart.Superview as DataPointSelection).SetLabelContent(x, y);
}
}
}
else
{
(chart.Superview as DataPointSelection).SetLabelContent(null, null);
}
}
public override void DidDataPointSelect(SFChart chart, SFChartSelectionInfo info)
{
int selectedindex = info.SelectedDataPointIndex;
if (selectedindex >= 0)
{
SFSeries series = info.SelectedSeries;
if (series != null)
{
var dataPoint = (series.ItemsSource as IList <ChartDataModel>);
if (dataPoint == null)
{
(chart.Superview as DataPointSelection).SetLabelContent(null, null);
}
else
{
String x = dataPoint[selectedindex].XValue.ToString();
String y = dataPoint[selectedindex].YValue.ToString();
(chart.Superview as DataPointSelection).SetLabelContent(x, y);
}
}
}
else
{
(chart.Superview as DataPointSelection).SetLabelContent(null, null);
}
}
public override NSString GetFormattedDataMarkerLabel(SFChart chart, NSString label, nint index, SFSeries series)
{
try
{
int seriesIndex = (int)chart.IndexOfSeries(series);
IList data = Chart.Series[seriesIndex].ItemsSource as IList;
//string formattedLabel = label.ToString() + " (" + (data[(int)index] as ChartModel).Name + ")";
return(new NSString(label.ToString()));
}catch (Exception ex)
{
MessagingCenter.Send((App)Xamarin.Forms.Application.Current, AppConstant.ErrorEvent, ex.ToString());
}
return(new NSString(""));
}
public override UIView ViewForDataMarkerLabel(SFChart chart, NSString label, nint index, SFSeries series)
{
var dataPoint = (series.ItemsSource as IList <ChartDataModel>);
UIView customView = new UIView();
customView.Frame = new CGRect(0, 0, 60, 20);
UIImageView imageView = new UIImageView();
imageView.Frame = new CGRect(35, 0, 20, 20);
UILabel average = new UILabel();
average.Frame = new CGRect(3, 0, 40, 20);
average.Font = UIFont.FromName("Helvetica", 15f);
average.Text = label.ToString() + "%";
if ((dataPoint[(int)index].YValue) > 50)
{
imageView.Image = UIImage.FromBundle("Images/Up.png");
average.TextColor = UIColor.Green;
}
else
{
imageView.Image = UIImage.FromBundle("Images/Down.png");
average.TextColor = UIColor.Red;
}
customView.AddSubview(imageView);
customView.AddSubview(average);
return(customView);
}
public override UIView ViewForDataMarkerLabel(SFChart chart, NSString label, nint index, SFSeries series)
{
var dataPoint = (series.ItemsSource as IList <ChartDataModel>);
UIView customView = new UIView();
customView.Frame = new CGRect(0, 0, 63, 20);
UIImageView imageView = new UIImageView();
imageView.Frame = new CGRect(3, 2, 15, 15);
UILabel value = new UILabel();
value.Frame = new CGRect(25, 0, 35, 20);
value.Font = UIFont.FromName("Helvetica", 10f);
value.Text = label + "M";
value.TextColor = UIColor.White;
if (series.Label == "Male")
{
imageView.Image = UIImage.FromBundle("Images/Male.png");
customView.BackgroundColor = UIColor.FromRGBA(0.0f / 255.0f, 189.0f / 255.0f, 174.0f / 255.0f, 1.0f);
}
else
{
imageView.Image = UIImage.FromBundle("Images/Female.png");
customView.BackgroundColor = UIColor.FromRGBA(64.0f / 255.0f, 64.0f / 255.0f, 65.0f / 255.0f, 1.0f);
}
customView.AddSubview(imageView);
customView.AddSubview(value);
return(customView);
}
