/// <summary>
/// Fades the in.
/// </summary>
/// <param name="axis">The axis.</param>
/// <param name="chart">The chart.</param>
public void FadeIn(AxisCore axis, ChartCore chart)
{
if (TextBlock.Visibility != Visibility.Collapsed)
{
TextBlock.BeginDoubleAnimation("Opacity", 0, 1, chart.View.AnimationsSpeed);
}
if (Line.Visibility != Visibility.Collapsed)
{
Line.BeginDoubleAnimation("Opacity", 0, 1, chart.View.AnimationsSpeed);
}
}
/// <summary>
/// Draws the or move.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="axis">The axis.</param>
public void DrawOrMove(AxisOrientation source, int axis)
{
_rectangle.Fill = Fill;
_rectangle.Stroke = Stroke;
_rectangle.StrokeDashArray = StrokeDashArray;
_rectangle.StrokeThickness = StrokeThickness;
Canvas.SetZIndex(_rectangle, Canvas.GetZIndex(this));
BindingOperations.SetBinding(_rectangle, VisibilityProperty,
new Binding {
Path = new PropertyPath(nameof(Visibility)), Source = this
});
if (Parent == null)
{
Model.Chart.View.AddToView(this);
Model.Chart.View.AddToDrawMargin(_rectangle);
Model.Chart.View.AddToDrawMargin(_label);
_rectangle.Height = 0;
_rectangle.Width = 0;
Canvas.SetLeft(_rectangle, 0d);
Canvas.SetTop(_rectangle, Model.Chart.DrawMargin.Height);
Canvas.SetTop(_label, Model.Chart.DrawMargin.Height);
Canvas.SetLeft(_label, 0d);
}
var ax = source == AxisOrientation.X ? Model.Chart.AxisX[axis] : Model.Chart.AxisY[axis];
var uw = ax.EvaluatesUnitWidth ? ChartFunctions.GetUnitWidth(source, Model.Chart, axis) / 2 : 0;
var from = ChartFunctions.ToDrawMargin(Value, source, Model.Chart, axis) + uw;
var to = ChartFunctions.ToDrawMargin(Value + SectionWidth, source, Model.Chart, axis) + uw;
if (from > to)
{
var temp = to;
to = from;
from = temp;
}
var anSpeed = Model.Chart.View.AnimationsSpeed;
_label.UpdateLayout();
if (source == AxisOrientation.X)
{
var w = to - from;
w = StrokeThickness > w ? StrokeThickness : w;
Canvas.SetTop(_rectangle, 0);
_rectangle.Height = Model.Chart.DrawMargin.Height;
if (Model.Chart.View.DisableAnimations)
{
_rectangle.Width = w > 0 ? w : 0;
Canvas.SetLeft(_rectangle, from - StrokeThickness / 2);
Canvas.SetLeft(_label, (from + to) / 2 - _label.ActualWidth / 2);
}
else
{
_rectangle.BeginDoubleAnimation(nameof(Width), w > 0 ? w : 0, anSpeed);
_rectangle.BeginDoubleAnimation("(Canvas.Left)", from - StrokeThickness / 2, anSpeed);
_label.BeginDoubleAnimation("(Canvas.Left)", (from + to) / 2 - _label.ActualWidth / 2, anSpeed);
}
return;
}
var h = to - from;
h = StrokeThickness > h ? StrokeThickness : h;
Canvas.SetLeft(_rectangle, 0d);
_rectangle.Width = Model.Chart.DrawMargin.Width;
if (Model.Chart.View.DisableAnimations)
{
Canvas.SetTop(_rectangle, from);
_rectangle.Height = h > 0 ? h : 0;
Canvas.SetTop(_label, (from + to) / 2 - _label.ActualHeight / 2);
}
else
{
_rectangle.BeginDoubleAnimation("(Canvas.Top)", from - StrokeThickness / 2, anSpeed);
_rectangle.BeginDoubleAnimation(nameof(Height), h > 0 ? h : 0, anSpeed);
_label.BeginDoubleAnimation("(Canvas.Top)", (from + to) / 2 - _label.ActualHeight / 2, anSpeed);
}
}
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);
}
}
