protected virtual Shape CreateLineShape(DataSeries ds)
{
Shape sh = null;
IPlotElement connectionElement = ds.GetConnectionElement(this, clear);
if (connectionElement != null)
{
sh = connectionElement.LegendShape;
}
if (sh == null)
{
Rectangle rectangle = new Rectangle();
sh = rectangle;
}
if (ds.ConnectionShape != null)
{
ds.ConnectionShape.Apply(sh);
}
return(sh);
}
internal virtual void UpdateLegend(IList <LegendItem> litems)
{
using (IEnumerator <LegendItem> enumerator = litems.GetEnumerator())
{
while (enumerator.MoveNext())
{
enumerator.Current.Clear();
}
}
litems.Clear();
if (ColorScheme == Dt.Charts.ColorScheme.Point)
{
AnalyzeData(IsStacked);
int nser = _dataInfo.nser;
int npts = _dataInfo.npts;
if (nser > 0)
{
DataSeries series = Series[0] as DataSeries;
for (int i = 0; i < npts; i++)
{
ShapeStyle shapeStyle = StyleGen.GetStyle(i);
string lbl = null;
object item = null;
if ((ItemNames != null) && (i < ItemNames.Length))
{
item = ItemNames[i];
if (item != null)
{
lbl = item.ToString();
}
}
else
{
lbl = "Item " + ((int)i).ToString((IFormatProvider)CultureInfo.CurrentCulture);
}
Shape sym = CreateSymbolShape(shapeStyle);
if (series.ReadLocalValue(DataSeries.SymbolStrokeProperty) != DependencyProperty.UnsetValue)
{
sym.Stroke = series.SymbolStroke;
}
if (series.ReadLocalValue(DataSeries.SymbolStrokeThicknessProperty) != DependencyProperty.UnsetValue)
{
sym.StrokeThickness = Math.Min(2.0, series.SymbolStrokeThickness);
}
LegendItem item2 = new LegendItem(sym, null, lbl, item);
litems.Add(item2);
}
}
}
else
{
int num4 = Series.Count;
for (int j = 0; j < num4; j++)
{
DataSeries series2 = Series[j] as DataSeries;
if (series2 != null)
{
if ((series2.SymbolShape == null) || !_stgen.List.Contains(series2.SymbolShape))
{
series2.SymbolShape = _stgen.Next();
}
if (series2.ConnectionShape == null)
{
series2.ConnectionShape = _stgen.List2[_stgen.List.Count - 1];
}
if (((byte)(series2.Display & SeriesDisplay.HideLegend)) == 0)
{
LegendItem item3;
object symbol = Symbol;
object connection = Connection;
if (series2.ChartType.HasValue)
{
ChartSubtype subtype = ChartTypes.GetSubtype(series2.ChartType.ToString());
symbol = subtype.Symbol;
connection = subtype.Connection;
}
bool flag = (((symbol != null) && series2.IsDefaultSymbol) || (series2.Symbol != null)) || (series2.SymbolMarker != Marker.None);
bool flag2 = ((connection != null) && series2.IsDefaultConnection) || (series2.Connection != null);
IPlotElement connectionElement = series2.GetConnectionElement(this, clear);
if ((!flag && flag2) && (connectionElement is Area))
{
item3 = new LegendItem(flag2 ? CreateLineShape(series2) : null, null, series2.Label, series2);
}
else
{
item3 = new LegendItem(flag ? CreateSymbolShape(series2) : null, flag2 ? CreateLineShape(series2) : null, series2.Label, series2);
}
litems.Add(item3);
}
}
}
clear = false;
}
}