/// <summary>
/// Constructs a new instance of <see cref="T:Wisej.Web.Ext.ChartJS.ChartClickEventArgs"/>.
/// </summary>
/// <param name="chart"></param>
/// <param name="e"></param>
internal ChartClickEventArgs(Wisej.Web.Ext.ChartJS.ChartJS chart, WidgetEventArgs e)
{
dynamic[] points = e.Data;
List <int> dataPoints = new List <int>();
List <object> values = new List <object>();
List <DataSet> dataSets = new List <DataSet>();
if (points != null)
{
// collect the points, values and datasets in the click range.
foreach (dynamic point in points)
{
int pointIndex = point.pointIndex;
int dataSetIndex = point.dataSetIndex;
dataPoints.Add(pointIndex);
dataSets.Add(chart.DataSets[dataSetIndex]);
values.Add(chart.DataSets[dataSetIndex].Data[pointIndex]);
}
}
this.DataSets = dataSets.ToArray();
this.DataPoints = dataPoints.ToArray();
this.Values = new object[this.DataPoints.Length];
for (int i = 0; i < this.Values.Length; i++)
{
this.Values[i] = this.DataSets[i].Data[this.DataPoints[i]];
}
}
/// <summary>
/// Constructs a new instance of <see cref="T:Wisej.Web.Ext.ChartJS.ChartClickEventArgs"/>.
/// </summary>
/// <param name="chart"></param>
/// <param name="e"></param>
internal ChartClickEventArgs(Wisej.Web.Ext.ChartJS.ChartJS chart, WidgetEventArgs e)
{
dynamic[] points = e.Data.data;
dynamic selection = e.Data.selected;
List <int> dataPoints = new List <int>();
List <object> values = new List <object>();
List <DataSet> dataSets = new List <DataSet>();
if (points != null)
{
// collect the points, values and datasets in the click range.
foreach (dynamic point in points)
{
int pointIndex = point.pointIndex;
int dataSetIndex = point.dataSetIndex;
dataPoints.Add(pointIndex);
dataSets.Add(chart.DataSets[dataSetIndex]);
values.Add(chart.DataSets[dataSetIndex].Data[pointIndex]);
}
// add information about the value directly underneath the click.
var selPointIndex = selection.pointIndex;
var selDataSetIndex = selection.dataSetIndex;
this.SelectedDataSet = chart.DataSets[selDataSetIndex];
this.SelectedValue = chart.DataSets[selDataSetIndex].Data[selPointIndex];
}
this.DataSets = dataSets.ToArray();
this.DataPoints = dataPoints.ToArray();
this.Values = new object[this.DataPoints.Length];
for (int i = 0; i < this.Values.Length; i++)
{
this.Values[i] = this.DataSets[i].Data[this.DataPoints[i]];
}
}
