protected override void OnAnnotationGraphicChanged(AnnotationGraphic oldAnnotationGraphic, AnnotationGraphic annotationGraphic)
{
if (oldAnnotationGraphic != null)
{
var pointsGraphic = oldAnnotationGraphic.Subject as IPointsGraphic;
if (pointsGraphic != null)
{
pointsGraphic.Points.PointAdded -= OnPolygonGraphicClosed;
pointsGraphic.Points.PointChanged -= OnPolygonGraphicClosed;
pointsGraphic.Points.PointRemoved -= OnPolygonGraphicClosed;
pointsGraphic.Points.PointsCleared -= OnPolygonGraphicClosed;
}
}
base.OnAnnotationGraphicChanged(oldAnnotationGraphic, annotationGraphic);
if (annotationGraphic != null)
{
var pointsGraphic = annotationGraphic.Subject as IPointsGraphic;
if (pointsGraphic != null)
{
pointsGraphic.Points.PointAdded += OnPolygonGraphicClosed;
pointsGraphic.Points.PointChanged += OnPolygonGraphicClosed;
pointsGraphic.Points.PointRemoved += OnPolygonGraphicClosed;
pointsGraphic.Points.PointsCleared += OnPolygonGraphicClosed;
}
}
}
/// <summary>
/// Sets the <see cref="AnnotationGraphic"/> that owns this strategy.
/// </summary>
public void SetAnnotationGraphic(AnnotationGraphic annotationGraphic)
{
if (_annotationGraphic != annotationGraphic)
{
var oldAnnotationGraphic = _annotationGraphic;
_annotationGraphic = annotationGraphic;
OnAnnotationGraphicChanged(oldAnnotationGraphic, annotationGraphic);
}
}
protected override void OnAnnotationGraphicChanged(AnnotationGraphic oldAnnotationGraphic, AnnotationGraphic annotationGraphic)
{
base.OnAnnotationGraphicChanged(oldAnnotationGraphic, annotationGraphic);
if (_firstCalculation)
base.Callout.Visible = false;
}
/// <summary>
/// Called when the <see cref="AnnotationGraphic"/> changes.
/// </summary>
/// <param name="oldAnnotationGraphic">The former value of <see cref="AnnotationGraphic"/>.</param>
/// <param name="annotationGraphic">The new value of <see cref="AnnotationGraphic"/>.</param>
protected virtual void OnAnnotationGraphicChanged(AnnotationGraphic oldAnnotationGraphic, AnnotationGraphic annotationGraphic)
{
}
/// <summary>
/// Cloning constructor.
/// </summary>
protected AnnotationGraphic(AnnotationGraphic source, ICloningContext context)
: base(source, context)
{
context.CloneFields(source, this);
}
/// <summary>
/// Cloning constructor.
/// </summary>
protected AnnotationGraphic(AnnotationGraphic source, ICloningContext context)
: base(source, context)
{
context.CloneFields(source, this);
}
/// <summary>
/// Sets the <see cref="AnnotationGraphic"/> that owns this strategy.
/// </summary>
public void SetAnnotationGraphic(AnnotationGraphic annotationGraphic)
{
if (_annotationGraphic != annotationGraphic)
{
var oldAnnotationGraphic = _annotationGraphic;
_annotationGraphic = annotationGraphic;
OnAnnotationGraphicChanged(oldAnnotationGraphic, annotationGraphic);
}
}
/// <summary>
/// Called when the <see cref="AnnotationGraphic"/> changes.
/// </summary>
/// <param name="oldAnnotationGraphic">The former value of <see cref="AnnotationGraphic"/>.</param>
/// <param name="annotationGraphic">The new value of <see cref="AnnotationGraphic"/>.</param>
protected virtual void OnAnnotationGraphicChanged(AnnotationGraphic oldAnnotationGraphic, AnnotationGraphic annotationGraphic) {}