/// <summary>
/// The update data.
/// </summary>
protected internal override void UpdateData()
{
if (this.ItemsSource == null)
{
return;
}
var points = this.Points;
points.Clear();
// Use the mapping to generate the points
if (this.Mapping != null)
{
foreach (var item in this.ItemsSource)
{
points.Add(this.Mapping(item));
}
return;
}
// Get DataPoints from the items in ItemsSource
// if they implement IScatterPointProvider
// If DataFields are set, this is not used
/*if (DataFieldX == null || DataFieldY == null)
* {
* foreach (var item in ItemsSource)
* {
* var idpp = item as IScatterPointProvider;
* if (idpp == null)
* {
* continue;
* }
*
* points.Add(idpp.GetScatterPoint());
* }
*
* return;
* }*/
var dest = new List <IDataPoint>();
// Using reflection to add points
var filler = new ListFiller <ScatterPoint>();
filler.Add(this.DataFieldX, (item, value) => item.X = Convert.ToDouble(value));
filler.Add(this.DataFieldY, (item, value) => item.Y = Convert.ToDouble(value));
filler.Add(this.DataFieldSize, (item, value) => item.Size = Convert.ToDouble(value));
filler.Add(this.DataFieldValue, (item, value) => item.Value = Convert.ToDouble(value));
filler.Add(this.DataFieldTag, (item, value) => item.Tag = value);
filler.Fill(dest, this.ItemsSource);
this.Points = dest;
}
/// <summary>
/// Updates the data.
/// </summary>
protected internal override void UpdateData()
{
if (this.ItemsSource == null)
{
return;
}
var dest = new List <T>();
// Using reflection to add points
var filler = new ListFiller <T>();
filler.Add(this.ValueField, (item, value) => item.Value = Convert.ToDouble(value));
filler.Add(this.ColorField, (item, value) => item.Color = (OxyColor)value);
filler.Fill(dest, this.ItemsSource);
this.Items = dest;
}