private void Move(HighlightCanvasHighlight hl, double x, double y)
{
if (this._Viewport != null)
this.RememberAndMoveAbsolute(hl, x, y);
else
this.MoveRelative(hl, x, y);
}
private void MoveHighlightToPoint(HighlightCanvasHighlight hl, Point p)
{
this.DispatchConditional(() => this.MoveHighlight(hl, p.X, p.Y),
this.AlreadyActivated(hl));
}
private void MoveHighlight(HighlightCanvasHighlight hl, double x, double y)
{
this.MoveHighlightOnCanvas(hl, x, y);
}
private void HighlightAlreadyActivated(HighlightCanvasHighlight hl, Action<bool> activated)
{
this.Dispatch(() => activated(base.Children.Contains(hl.AsUi)));
}
private void DeactivateHightlight(HighlightCanvasHighlight hl)
{
this.DispatchConditional(() => this.RemoveHightlightFromCanvas(hl),
this.AlreadyActivated(hl));
}
private void AddHighlightToCanvasAndCenterIt(HighlightCanvasHighlight hl)
{
this.MoveHighlight(hl, this.CurrentCenter.X, this.CurrentCenter.Y);
base.Children.Add(hl.AsUi);
}
private void ActivateHightlight(HighlightCanvasHighlight hl)
{
this.DispatchConditionalNot(() => this.AddHighlightToCanvasAndCenterIt(hl),
this.AlreadyActivated(hl));
}
protected abstract void MoveHighlightOnCanvas(HighlightCanvasHighlight hl, double x, double y);
protected void ForceActivision(HighlightCanvasHighlight hl)
{
hl.ForceActivision(this.ActivateHightlight, this.GetPrimaryHighlight);
}
protected Action<Action<bool>> AlreadyActivated(HighlightCanvasHighlight hl)
{
return (a) => this.HighlightAlreadyActivated(hl, (b) => a(b));
}
private HighlightCanvasHighlight StartTrackingForHighlight(HighlightCanvasHighlight hl, MoveableBodyPart bodyPart)
{
hl.StartTracking(bodyPart).WhenMoved((center) => this.MoveHighlightToPoint(hl, center(this.CurrentCenter)));
hl.WhenActivated(this.ActivateHightlight).RelativeTo(this.GetPrimaryHighlight);
hl.WhenDeactivated(this.DeactivateHightlight);
return hl;
}
private void RemoveHightlightFromCanvas(HighlightCanvasHighlight hl)
{
base.Children.Remove(hl.AsUi);
}
private void SetProjectedPositionBeforeViewport(HighlightCanvasHighlight hl, double x, double y)
{
hl.BodyPart.CurrentProjectedPosition = MVector2D.Projection(x, y);
}
private void RememberAndMoveAbsolute(HighlightCanvasHighlight hl, double x, double y)
{
this._Viewport.Shelve.Remember<HighlightCanvasHighlight>(hl);
this._Viewport.AbsoluteCoordinates(x, y);
}
private void MoveRelative(HighlightCanvasHighlight moveable, double x, double y)
{
this.SetXY(moveable.AsUi, x, y);
moveable.MovedTo(x, y);
}
protected override void MoveHighlightOnCanvas(HighlightCanvasHighlight hl, double x, double y)
{
this.SetProjectedPositionBeforeViewport(hl, x, y);
this.Move(hl, x, y);
}
