private void PlaceLabel(string text, AxisCore axis, AxisOrientation source)
{
_label.Text = text;
var formattedText = new FormattedText(
_label.Text,
CultureInfo.CurrentUICulture,
FlowDirection.LeftToRight,
new Typeface(_label.FontFamily, _label.FontStyle, _label.FontWeight, _label.FontStretch),
_label.FontSize, Brushes.Black);
var transform = new LabelEvaluation(axis.View.LabelsRotation,
formattedText.Width + 10, formattedText.Height, axis, source);
_label.RenderTransform = Math.Abs(transform.LabelAngle) > 1
? new RotateTransform(transform.LabelAngle)
: null;
var toLine = ChartFunctions.ToPlotArea(Value + SectionOffset + SectionWidth * .5, source, Model.Chart,
axis);
var direction = source == AxisOrientation.X ? 1 : -1;
toLine += axis.EvaluatesUnitWidth ? direction * ChartFunctions.GetUnitWidth(source, Model.Chart, axis) / 2 : 0;
var toLabel = toLine + transform.GetOffsetBySource(source);
var chart = Model.Chart;
if (axis.IsMerged)
{
const double padding = 4;
if (source == AxisOrientation.Y)
{
if (toLabel + transform.ActualHeight >
chart.DrawMargin.Top + chart.DrawMargin.Height)
{
toLabel -= transform.ActualHeight + padding;
}
}
else
{
if (toLabel + transform.ActualWidth >
chart.DrawMargin.Left + chart.DrawMargin.Width)
{
toLabel -= transform.ActualWidth + padding;
}
}
}
var labelTab = axis.Tab;
labelTab += transform.GetOffsetBySource(source.Invert());
if (source == AxisOrientation.Y)
{
labelTab += 8 * (axis.Position == AxisPosition.LeftBottom ? 1 : -1);
if (Model.View.DisableAnimations || DisableAnimations)
{
Canvas.SetLeft(_label, labelTab);
Canvas.SetTop(_label, toLabel);
return;
}
_label.BeginAnimation(Canvas.TopProperty,
new DoubleAnimation(toLabel, chart.View.AnimationsSpeed));
_label.BeginAnimation(Canvas.LeftProperty,
new DoubleAnimation(labelTab, chart.View.AnimationsSpeed));
}
else
{
if (Model.View.DisableAnimations || DisableAnimations)
{
Canvas.SetLeft(_label, toLabel);
Canvas.SetTop(_label, labelTab);
return;
}
_label.BeginAnimation(Canvas.LeftProperty,
new DoubleAnimation(toLabel, chart.View.AnimationsSpeed));
_label.BeginAnimation(Canvas.TopProperty,
new DoubleAnimation(labelTab, chart.View.AnimationsSpeed));
}
}
private void PlaceLabel(string text, AxisCore axis, AxisOrientation source)
{
_label.Text = text;
_label.UpdateLayout();
var transform = new LabelEvaluation(axis.View.LabelsRotation,
_label.Width + 10, _label.Height, axis, source);
_label.RenderTransform = Math.Abs(transform.LabelAngle) > 1
? new RotateTransform {
Angle = transform.LabelAngle
}
: null;
var toLine = ChartFunctions.ToPlotArea(Value, source, Model.Chart, axis);
var direction = source == AxisOrientation.X ? 1 : -1;
toLine += axis.EvaluatesUnitWidth ? direction * ChartFunctions.GetUnitWidth(source, Model.Chart, axis) / 2 : 0;
var toLabel = toLine + transform.GetOffsetBySource(source);
var chart = Model.Chart;
if (axis.IsMerged)
{
const double padding = 4;
if (source == AxisOrientation.Y)
{
if (toLabel + transform.ActualHeight >
chart.DrawMargin.Top + chart.DrawMargin.Height)
{
toLabel -= transform.ActualHeight + padding;
}
}
else
{
if (toLabel + transform.ActualWidth >
chart.DrawMargin.Left + chart.DrawMargin.Width)
{
toLabel -= transform.ActualWidth + padding;
}
}
}
var labelTab = axis.Tab;
labelTab += transform.GetOffsetBySource(source.Invert());
if (source == AxisOrientation.Y)
{
if (Model.View.DisableAnimations || DisableAnimations)
{
Canvas.SetLeft(_label, labelTab);
Canvas.SetTop(_label, toLabel);
return;
}
_label.BeginDoubleAnimation("Canvas.Top", toLabel, chart.View.AnimationsSpeed);
_label.BeginDoubleAnimation("Canvas.Left", labelTab, chart.View.AnimationsSpeed);
}
else
{
if (Model.View.DisableAnimations || DisableAnimations)
{
Canvas.SetLeft(_label, toLabel);
Canvas.SetTop(_label, labelTab);
return;
}
_label.BeginDoubleAnimation("Canvas.Left", toLabel, chart.View.AnimationsSpeed);
_label.BeginDoubleAnimation("Canvas.Top", labelTab, chart.View.AnimationsSpeed);
}
}
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);
}
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);
#if DEBUG
Debug.WriteLine("Axis.Separations: " + Cache.Count);
#endif
}