private void CurrentLineOnDragDelta(object sender, AnnotationDragDeltaEventArgs e)
{
if (LinkedChartSurface == null)
{
return;
}
if (sender is LineAnnotation line && line.Tag != null && ((string)line.Tag).StartsWith("Added"))
{
if (line == _currentLine || line == _currentLinkedLine)
{
return;
}
var otherLine = ParentSurface.Annotations.OfType <LineAnnotation>().FirstOrDefault(x => x.Tag != null && x.Tag.Equals(line.Tag));
if (otherLine == line)
{
otherLine = LinkedChartSurface.Annotations.OfType <LineAnnotation>().FirstOrDefault(x => x.Tag != null && x.Tag.Equals(line.Tag));
}
if (otherLine != null)
{
var categoryCoordCalc = (ICategoryCoordinateCalculator)line.ParentSurface.XAxis.GetCurrentCoordinateCalculator();
var otherCategoryCoordCalc = (ICategoryCoordinateCalculator)otherLine.ParentSurface.XAxis.GetCurrentCoordinateCalculator();
if (line.X1 is DateTime time1)
{
otherLine.X1 = otherCategoryCoordCalc.TransformDataToIndex(time1);
}
else
{
otherLine.X1 = otherCategoryCoordCalc.TransformDataToIndex(categoryCoordCalc.TransformIndexToData((int)line.X1));
}
if (line.X2 is DateTime time2)
{
otherLine.X2 = otherCategoryCoordCalc.TransformDataToIndex(time2);
}
else
{
otherLine.X2 = otherCategoryCoordCalc.TransformDataToIndex(categoryCoordCalc.TransformIndexToData((int)line.X2));
}
otherLine.Y1 = line.Y1;
otherLine.Y2 = line.Y2;
}
_chartingService.RaiseChartLinesChanged();
}
}
private void VerticalChanged(object sender, AnnotationDragDeltaEventArgs e)
{
Update();
}
private void HorizontalChanged(object sender, AnnotationDragDeltaEventArgs e)
{
Update();
}
/// <summary>
/// Initializes a new instance of the <see cref="AnnotationManager"/> class.
/// </summary>
public AnnotationManager()
{
PreviousPoints = new Position();
CurrentPoints = new Position();
DragDeltaArgs = new AnnotationDragDeltaEventArgs();
}
