/// <summary>
///
/// </summary>
/// <param name="dataSource"></param>
/// <returns></returns>
public override CurveDataCollection Create(object dataSource)
{
if (dataSource == null)
{
throw new ArgumentNullException("dataSource");
}
this.CurveDataMap.Clear();
ColorProvider cp = new ColorProvider();
DataTable tbl = dataSource as DataTable;
foreach (DataRow row in tbl.Rows)
{
CurveData cd = null;
string name = row[NameField].ToString();
if (HasCurveData(name))
{
cd = GetCurveData(name);
}
else
{
cd = CreateAndAddCurveData(name, cp.GetNextColor());
PointPairList list = new PointPairList();
cd.PointList = list;
}
object obj = row[XDataField];
DateTime dt = Convert.ToDateTime(obj);
XDate xdate = new XDate(dt);
obj = row[YDataField];
double y = Convert.ToDouble(obj);
((PointPairList)cd.PointList).Add(xdate.XLDate, y);
}
CurveDataCollection cds = new CurveDataCollection();
foreach (object cdObj in this.CurveDataMap.Values)
{
cds.Add(cdObj as CurveData);
}
return(cds);
}
/// <summary>
///
/// </summary>
/// <param name="dataSource"></param>
/// <returns></returns>
public override CurveDataCollection Create(object dataSource)
{
//DataTable tbl = dataSource as DataTable;
//foreach (DataRow row in tbl.Rows)
//{
// object objX = row[XDataField];
// object objY = row[YDataField];
//}
if (this.CurveConfigBaseCollection == null)
{
throw new InvalidOperationException("sineleCurveConfig.CurveConfigBaseCollection == null");
}
if (this.CurveConfigBaseCollection.GraphPaneConfig == null)
{
throw new InvalidOperationException("sineleCurveConfig.CurveConfigBaseCollection.GraphPaneConfig == null");
}
AxisType axisType = this.CurveConfigBaseCollection.GraphPaneConfig.XAxisType;
DataTable tbl = dataSource as DataTable;
if (axisType == AxisType.Date)
{
PointPairList list = new PointPairList();
// TODO: is line
//
foreach (DataRow row in tbl.Rows)
{
object obj = row[XDataField];
// TODO: 2011-06-13 not datetime data
//
DateTime dt = Convert.ToDateTime(obj);
XDate xdate = new XDate(dt);
obj = row[YDataField];
double y = Convert.ToDouble(obj);
list.Add(xdate.XLDate, y);
}
CurveData cd = new CurveData();
cd.Name = this.Name;
cd.Color = this.Color;
cd.PointList = list;
CurveDataCollection cds = new CurveDataCollection();
cds.Add(cd);
return(cds);
}
else if (axisType == AxisType.Text)
{
string[] labels = new string[tbl.Rows.Count];
double[] yvalues = new double[tbl.Rows.Count];
for (int i = 0; i < tbl.Rows.Count; i++)
{
DataRow row = tbl.Rows[i];
string lbl = row[XDataField].ToString();
labels[i] = lbl;
yvalues[i] = Convert.ToDouble(row[YDataField]);
}
CurveData cd = new CurveData();
cd.Name = this.Name;
cd.Color = this.Color;
cd.XAxisLabels = labels;
cd.YValues = yvalues;
CurveDataCollection cds = new CurveDataCollection();
cds.Add(cd);
return(cds);
}
else
{
throw new NotImplementedException("not support AxisType: " + axisType);
}
}