public void OnPointerDown(PointerEventData eventData)
{
if (!SeriesHelper.ContainsSerie(chart.series, SerieType.Pie))
{
return;
}
if (chart.pointerPos == Vector2.zero)
{
return;
}
var refresh = false;
for (int i = 0; i < chart.series.Count; i++)
{
var serie = chart.series.GetSerie(i);
if (serie.type != SerieType.Pie)
{
continue;
}
var index = GetPiePosIndex(serie, chart.pointerPos);
if (index >= 0)
{
refresh = true;
for (int j = 0; j < serie.data.Count; j++)
{
if (j == index)
{
serie.data[j].selected = !serie.data[j].selected;
}
else
{
serie.data[j].selected = false;
}
}
if (chart.onPointerClickPie != null)
{
chart.onPointerClickPie(eventData, i, index);
}
}
}
if (refresh)
{
chart.RefreshChart();
}
}