|
public static GetUnitWidth ( AxisOrientation source, |
||
| source | AxisOrientation | axis orientation |
| chart | chart model to get the scale at | |
| axis | axis instance | |
| return | double | |
internal void UpdateSeparators(AxisOrientation source, ChartCore chart, int axisIndex)
{
foreach (var element in Cache.Values.ToArray())
{
if (element.GarbageCollectorIndex < GarbageCollectorIndex)
{
element.State = SeparationState.Remove;
Cache.Remove(element.Key);
}
var toLine = ChartFunctions.ToPlotArea(element.Value, source, chart, axisIndex);
var direction = source == AxisOrientation.X ? 1 : -1;
toLine += EvaluatesUnitWidth ? direction * ChartFunctions.GetUnitWidth(source, chart, this) / 2 : 0;
var toLabel = toLine + element.View.LabelModel.GetOffsetBySource(source);
if (IsMerged)
{
const double padding = 4;
if (source == AxisOrientation.Y)
{
if (toLabel + element.View.LabelModel.ActualHeight >
chart.DrawMargin.Top + chart.DrawMargin.Height)
{
toLabel -= element.View.LabelModel.ActualHeight + padding;
}
}
else
{
if (toLabel + element.View.LabelModel.ActualWidth >
chart.DrawMargin.Left + chart.DrawMargin.Width)
{
toLabel -= element.View.LabelModel.ActualWidth + padding;
}
}
}
var labelTab = Tab;
labelTab += element.View.LabelModel.GetOffsetBySource(source.Invert());
switch (element.State)
{
case SeparationState.Remove:
if (!chart.View.DisableAnimations && !View.DisableAnimations)
{
element.View.Move(chart, this, source, axisIndex, toLabel, toLine, labelTab);
element.View.FadeOutAndRemove(chart);
}
else
{
element.View.Remove(chart);
}
break;
case SeparationState.Keep:
if (!chart.View.DisableAnimations && !View.DisableAnimations)
{
if (element.IsNew)
{
var toLinePrevious = FromPreviousState(element.Value, source, chart);
toLinePrevious += EvaluatesUnitWidth ? ChartFunctions.GetUnitWidth(source, chart, this) / 2 : 0;
var toLabelPrevious = toLinePrevious + element.View.LabelModel.GetOffsetBySource(source);
element.View.Place(chart, this, source, axisIndex, toLabelPrevious,
toLinePrevious, labelTab);
element.View.FadeIn(this, chart);
}
element.View.Move(chart, this, source, axisIndex, toLabel, toLine, labelTab);
}
else
{
element.View.Place(chart, this, source, axisIndex, toLabel, toLine, labelTab);
}
break;
case SeparationState.InitialAdd:
element.View.Place(chart, this, source, axisIndex, toLabel, toLine, labelTab);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
LastAxisMax = TopLimit;
LastAxisMin = BotLimit;
LastPlotArea = new CoreRectangle(chart.DrawMargin.Left, chart.DrawMargin.Top,
chart.DrawMargin.Width, chart.DrawMargin.Height);
}
