/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <param name="value"></param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="language"></param>
/// <returns></returns>
public object Convert(object value, Type targetType, object parameter, string language)
{
ChartAdornment adornment = value as ChartAdornment;
if (adornment == null)
{
return(value);
}
ChartSeriesBase series = adornment.Series;
ChartBase area = series.ActualArea;
var selectableSegment = series as ISegmentSelectable;
if (area.SelectedSeriesCollection.Contains(series) &&
area.GetSeriesSelectionBrush(series) != null && series is ChartSeries &&
series.adornmentInfo.HighlightOnSelection && area.GetEnableSeriesSelection())
{
return(area.GetSeriesSelectionBrush(series));
}
else if (series.SelectedSegmentsIndexes.Contains(series.ActualData.IndexOf(adornment.Item)) &&
selectableSegment != null && series.adornmentInfo.HighlightOnSelection &&
selectableSegment.SegmentSelectionBrush != null)
{
return(selectableSegment.SegmentSelectionBrush);
}
else
{
return(adornment.BorderBrush);
}
}
/// <summary>
/// Transforms chart cordinates to real coordinates.
/// </summary>
/// <param name="x">The x value.</param>
/// <param name="y">The y value.</param>
/// <returns>The visible point</returns>
public Point TransformToVisible(double x, double y)
{
if (XAxis != null && YAxis != null && double.IsNaN(m_viewport.Width) == false && double.IsNaN(m_viewport.Height) == false)
{
ChartBase area = XAxis.Area;
x = x = x_IsLogarithmic && x > 0 ? Math.Log(x, xlogarithmicBase) : x;
y = y_IsLogarithmic && y > 0 ? Math.Log(y, ylogarithmicBase) : y;
var isSfChart = area is SfChart;
if (this.m_IsRoated)
{
double left = isSfChart ? YAxis.RenderedRect.Left - XAxis.Area.SeriesClipRect.Left : YAxis.RenderedRect.Left;
double top = isSfChart ? XAxis.RenderedRect.Top - YAxis.Area.SeriesClipRect.Top : XAxis.RenderedRect.Top;
return(new Point(left + YAxis.RenderedRect.Width * YAxis.ValueToCoefficientCalc(y), top + XAxis.RenderedRect.Height * (1 - XAxis.ValueToCoefficientCalc(x))));
}
else
{
if (isSfChart)
{
double left = XAxis.RenderedRect.Left - XAxis.Area.SeriesClipRect.Left;
double top = YAxis.RenderedRect.Top - YAxis.Area.SeriesClipRect.Top;
return(new Point(left + XAxis.RenderedRect.Width * XAxis.ValueToCoefficientCalc(x), top + YAxis.RenderedRect.Height * (1 - YAxis.ValueToCoefficientCalc(y))));
}
else
{
double left = XAxis.RenderedRect.Left;
double top = YAxis.RenderedRect.Top;
return(new Point(left + Math.Round(XAxis.RenderedRect.Width * XAxis.ValueToCoefficientCalc(x)), top + Math.Round(YAxis.RenderedRect.Height * (1 - YAxis.ValueToCoefficientCalc(y)))));
}
}
}
return(new Point(0, 0));
}
/// <summary>
/// Transforms chart cordinates to real coordinates.
/// </summary>
/// <param name="x">The x value.</param>
/// <param name="y">The y value.</param>
/// <param name="z">The y value.</param>
/// <returns>The visible point</returns>
internal Vector3D TransformToVisible3D(double x, double y, double z)
{
if (XAxis != null && YAxis != null && !double.IsNaN(m_viewport.Width) && !double.IsNaN(m_viewport.Height) &&
ZAxis != null && !double.IsNaN(m_viewport.Width) && !double.IsNaN(m_viewport.Height))
{
ChartBase area = XAxis.Area;
x = x = x_IsLogarithmic && x > 0 ? Math.Log(x, xlogarithmicBase) : x;
y = y_IsLogarithmic && y > 0 ? Math.Log(y, ylogarithmicBase) : y;
z = z_IsLogarithmic && z > 0 ? Math.Log(z, zlogarithmicBase) : z;
var isSfChart = area is SfChart;
double depth = isSfChart ? ZAxis.RenderedRect.Left - ZAxis.Area.SeriesClipRect.Left : ZAxis.RenderedRect.Left;
if (this.m_IsRoated)
{
double left = isSfChart ? YAxis.RenderedRect.Left - XAxis.Area.SeriesClipRect.Left : YAxis.RenderedRect.Left;
double top = isSfChart ? XAxis.RenderedRect.Top - YAxis.Area.SeriesClipRect.Top : XAxis.RenderedRect.Top;
return(new Vector3D(left + YAxis.RenderedRect.Width * YAxis.ValueToCoefficientCalc(y), top + XAxis.RenderedRect.Height * (1 - XAxis.ValueToCoefficientCalc(x))
, depth + Math.Round(ZAxis.RenderedRect.Width * ZAxis.ValueToCoefficientCalc(z))));
}
else
{
double left = isSfChart ? XAxis.RenderedRect.Left - XAxis.Area.SeriesClipRect.Left : XAxis.RenderedRect.Left;
double top = isSfChart ? YAxis.RenderedRect.Top - YAxis.Area.SeriesClipRect.Top : YAxis.RenderedRect.Top;
return(new Vector3D(left + Math.Round(XAxis.RenderedRect.Width * XAxis.ValueToCoefficientCalc(x)), top + Math.Round(YAxis.RenderedRect.Height * (1 - YAxis.ValueToCoefficientCalc(y)))
, depth + Math.Round(ZAxis.RenderedRect.Width * ZAxis.ValueToCoefficientCalc(z))));
}
}
return(new Vector3D(0, 0, 0));
}
private static void OnEnableSegmentSelectionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ChartBase chartBase = (d as ChartSelectionBehavior).ChartArea;
if (chartBase != null && !(bool)e.NewValue)
{
foreach (var series in chartBase.VisibleSeries)
{
for (int i = 0; i < series.ActualData.Count; i++)
{
if (series.SelectedSegmentsIndexes.Contains(i))
{
series.SelectedSegmentsIndexes.Remove(i);
series.OnResetSegment(i);
}
}
var selectableSegment = series as ISegmentSelectable;
if (selectableSegment != null)
{
selectableSegment.SelectedIndex = -1;
}
series.SelectedSegmentsIndexes.Clear();
}
}
else if (chartBase != null && (bool)e.NewValue)
{
for (int index = 0; index < chartBase.VisibleSeries.Count; index++)
{
ChartSeriesBase series = chartBase.VisibleSeries[index];
var selectableSegment = series as ISegmentSelectable;
if (selectableSegment != null && selectableSegment.SelectedIndex != -1)
{
series.SelectedIndexChanged(selectableSegment.SelectedIndex, -1);
}
}
}
}
