private void MChart_ChartTapped(object sender, C1TappedEventArgs e)
{
C1Point point = e.GetPosition(mChart);
ChartHitTestInfo info = mChart.HitTest(point);
// display hitTestInfo for each touch event
string displayText = string.Empty;
if (info != null)
{
displayText = chartElement + (info.ChartElement == null ? chartElementNone : info.ChartElement.ToString());
if (info.Item != null)
{
displayText += "\n" + seriesName + info.Series.Name + "\n" + pointIndex + info.PointIndex;
ChartPoint data = (ChartPoint)info.Item;
displayText += "\nX : " + data.Count;
if (info.Series.Name.Equals("sin(x)"))
{
displayText += " sin(x) : " + data.Sine;
}
else
{
displayText += " cos(x) : " + data.Cosine;
}
}
}
else
{
displayText = "Well, this is not happening..";
}
mHitTestInfo.Text = displayText;
}
private void Sunburst_Tapped(object sender, C1.Android.Core.C1TappedEventArgs e)
{
C1Point p = e.GetPosition(sunburst);
ChartHitTestInfo hitTestInfo = this.sunburst.HitTest(p);
if (_view != null)
{
_view.Visibility = ViewStates.Invisible;
}
if (hitTestInfo == null || hitTestInfo.Item == null)
{
return;
}
if (hitTestInfo.Item is IChartModel)
{
View view = ((IChartModel)hitTestInfo.Item).GetUserView(this);
_view = view;
Rect myViewRect = new Rect();
sunburst.GetGlobalVisibleRect(myViewRect);
double length = myViewRect.Width() < myViewRect.Height() ? myViewRect.Width() : myViewRect.Height();
length = length * sunburst.InnerRadius / 1.2; // 1.2 is proper size between 1 and 1.414(Math.Sqrt(2));
int x = (int)(myViewRect.CenterX() - length / 2);
int y = (int)(myViewRect.CenterY() - length);
if (view.Parent != null)
{
((ViewGroup)view.Parent).RemoveView(view);
}
if (view.Parent == null)
{
ViewGroup.LayoutParams para = new ViewGroup.LayoutParams((int)length, (int)length);
sunburst.AddView(view, para);
}
_view.SetX((int)(x + sunburst.TranslationX));
_view.SetY((int)(y + sunburst.TranslationY));
_view.ScaleX = (float)sunburst.Scale;
_view.ScaleY = (float)sunburst.Scale;
_view.Visibility = ViewStates.Visible;
_x = x;
_y = y;
_width = _height = length;
}
}
