private static void OnPaletteModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (e.OldValue.Equals(e.NewValue))
{
return;
}
RangeBarSeries series = d as RangeBarSeries;
series.paletteModeCache = (SeriesPaletteMode)e.NewValue;
if (series.paletteModeCache == SeriesPaletteMode.Series)
{
foreach (var item in series.legendItems)
{
series.Chart.LegendInfosInternal.Remove(item.Value);
}
series.legendItems = null;
}
else
{
series.legendItems = new Dictionary <DataPoint, LegendItem>();
}
series.InvalidatePalette();
}
internal override void UpdateLegendItem(FrameworkElement visual, DataPoint dataPoint)
{
if (visual != null && this.IsVisibleInLegend)
{
LegendItem item;
bool titleUpdateNeeded = false;
if (this.paletteModeCache == SeriesPaletteMode.DataPoint)
{
if (!this.legendItems.TryGetValue(dataPoint, out item))
{
item = new LegendItem();
titleUpdateNeeded = true;
this.legendItems.Add(dataPoint, item);
// TODO refactor this.
this.Chart.LegendInfosInternal.Add(item);
}
RangeBarSeries.UpdateLegendItemProperties(item, (Brush)visual.GetValue(Border.BackgroundProperty), (Brush)visual.GetValue(Border.BorderBrushProperty));
}
else
{
item = this.LegendItems.FirstOrDefault();
this.UpdateLegendItemProperties((Brush)visual.GetValue(Border.BackgroundProperty), (Brush)visual.GetValue(Border.BorderBrushProperty));
}
if (item != null && titleUpdateNeeded)
{
if (this.LegendTitleBinding != null)
{
this.UpdateLegendTitle(dataPoint, item);
}
else if (this.LegendTitle != null)
{
item.Title = this.LegendTitle;
}
}
}
}
