protected Brush GetPaletteBrush(PaletteVisualPart part)
{
ChartSeries series = this.model.presenter as ChartSeries;
if (series == null)
{
return(null);
}
return(series.chart.GetPaletteBrush(series.ActualPaletteIndex, part, series.Family, series.IsSelected));
}
internal Brush GetPaletteBrush(int index, PaletteVisualPart part, string seriesFamily, bool selected)
{
Brush paletteBrush = null;
if (selected && this.selectionPaletteCache != null)
{
paletteBrush = this.selectionPaletteCache.GetBrush(index, part, seriesFamily);
}
if (paletteBrush == null && this.paletteCache != null)
{
paletteBrush = this.paletteCache.GetBrush(index, part, seriesFamily);
}
return(paletteBrush);
}
/// <summary>
/// Gets the <see cref="Brush"/> (if present) for the specified <see cref="PaletteVisualPart"/> instance at the specified index and for the specified series family.
/// </summary>
/// <param name="index">The index for which to look-up a brush.</param>
/// <param name="visualPart">The visual part for which a brush is required.</param>
/// <param name="seriesFamily">The family of the series that request the brush.</param>
public Brush GetBrush(int index, PaletteVisualPart visualPart, string seriesFamily)
{
PaletteEntryCollection brushCollection;
switch (visualPart)
{
case PaletteVisualPart.Stroke:
if (!string.IsNullOrEmpty(seriesFamily))
{
brushCollection = FindCollectionByFamily(this.strokeEntriesByFamily, seriesFamily);
if (brushCollection != null)
{
break;
}
}
brushCollection = this.strokeEntries;
break;
case PaletteVisualPart.SpecialStroke:
if (!string.IsNullOrEmpty(seriesFamily))
{
brushCollection = FindCollectionByFamily(this.specialStrokeEntriesByFamily, seriesFamily);
if (brushCollection != null)
{
break;
}
}
brushCollection = this.specialStrokeEntries;
break;
case PaletteVisualPart.SpecialFill:
if (!string.IsNullOrEmpty(seriesFamily))
{
brushCollection = FindCollectionByFamily(this.specialFillEntriesByFamily, seriesFamily);
if (brushCollection != null)
{
break;
}
}
brushCollection = this.specialFillEntries;
break;
default: // PaletteVisualPart.Fill
if (!string.IsNullOrEmpty(seriesFamily))
{
brushCollection = FindCollectionByFamily(this.fillEntriesByFamily, seriesFamily);
if (brushCollection != null)
{
break;
}
}
brushCollection = this.fillEntries;
break;
}
if (index >= 0 && brushCollection.Brushes.Count > 0)
{
return(brushCollection.Brushes[index % brushCollection.Brushes.Count]);
}
return(null);
}
/// <summary>
/// Gets the <see cref="Brush"/> (if present) for the specified <see cref="PaletteVisualPart"/> instance at the specified index.
/// </summary>
/// <param name="index">The index for which to look-up a brush.</param>
/// <param name="visualPart">The visual part for which a brush is required.</param>
public Brush GetBrush(int index, PaletteVisualPart visualPart)
{
return(this.GetBrush(index, visualPart, string.Empty));
}
