private void FireVisualStateChanged(VisualStateChangedEventArgs e)
{
if (_visualStateChanged != null)
{
//NOTE: don't use EventsHelper because it will use DynamicInvoke.
try
{
_visualStateChanged(this, e);
}
catch (Exception ex)
{
Platform.Log(LogLevel.Error, ex);
throw;
}
}
var parentGraphic = ParentGraphic as Graphic;
if (parentGraphic != null)
{
parentGraphic.ForwardVisualStateChanged(e);
}
}
private void OnTextVisualStateChanged(object sender, VisualStateChangedEventArgs e)
{
switch (e.PropertyName)
{
case "Text":
this.OnTextChanged();
break;
case "Location":
this.OnTextLocationChanged();
break;
}
}
private void OnGraphicVisualStateChanged(object sender, VisualStateChangedEventArgs e)
{
base.NotifyVisualStateChanged(e);
}
/// <summary>
/// Forwards the <see cref="VisualStateChanged"/> event from a child graphic to listeners of a parent graphic.
/// </summary>
/// <param name="e">Data for the <see cref="VisualStateChanged"/> event.</param>
internal void NotifyVisualStateChanged(VisualStateChangedEventArgs e)
{
if(e.Graphic == this)
this.OnVisualStateChanged(e.PropertyName);
EventsHelper.Fire(_visualStateChanged, this, e);
}
private void OnGraphicVisualStateChanged(object sender, VisualStateChangedEventArgs e)
{
base.NotifyVisualStateChanged(e);
}
private void OnSubjectVisualStateChanged(object sender, VisualStateChangedEventArgs e)
{
this.SuspendControlPointEvents();
this.CoordinateSystem = CoordinateSystem.Source;
try
{
base.ControlPoints.Clear();
if (string.IsNullOrEmpty(this.Subject.Text))
{
base.ControlPoints.Add(this.Subject.Location);
}
}
finally
{
this.ResetCoordinateSystem();
this.ResumeControlPointEvents();
}
}
private void OnSubjectVisualStateChanged(object sender, VisualStateChangedEventArgs e)
{
if (_notifyOnSubjectChanged)
OnSubjectChanged(e.PropertyKind);
}
private void DecoratedGraphic_VisualStateChanged(object sender, VisualStateChangedEventArgs e)
{
base.DecoratedGraphic.CoordinateSystem = CoordinateSystem.Destination;
_textGraphic.CoordinateSystem = CoordinateSystem.Destination;
try
{
RectangleF rectangle = base.DecoratedGraphic.BoundingBox;
_textGraphic.Location = new PointF(rectangle.Right, rectangle.Top);
}
finally
{
_textGraphic.ResetCoordinateSystem();
base.DecoratedGraphic.ResetCoordinateSystem();
}
}
private void FireVisualStateChanged(VisualStateChangedEventArgs e)
{
if (_visualStateChanged != null)
{
//NOTE: don't use EventsHelper because it will use DynamicInvoke.
try
{
_visualStateChanged(this, e);
}
catch (Exception ex)
{
Platform.Log(LogLevel.Error, ex);
throw;
}
}
var parentGraphic = ParentGraphic as Graphic;
if (parentGraphic != null)
parentGraphic.ForwardVisualStateChanged(e);
}
/// <summary>
/// Forwards the <see cref="VisualStateChanged"/> event from a child graphic to listeners of a parent graphic.
/// </summary>
/// <param name="e">Data for the <see cref="VisualStateChanged"/> event.</param>
private void ForwardVisualStateChanged(VisualStateChangedEventArgs e)
{
if (ReferenceEquals(e.Graphic, this))
OnVisualStateChanged(e.PropertyName);
FireVisualStateChanged(e);
}
private void OnSubjectVisualStateChanged(object sender, VisualStateChangedEventArgs e)
{
if (!(sender is ICalloutGraphic || e.Graphic is ICalloutGraphic))
{
if (e.PropertyKind == VisualStatePropertyKind.Geometry || e.PropertyKind == VisualStatePropertyKind.Unspecified)
OnSubjectChanged();
}
}
private void OnSubjectVisualStateChanged(object sender, VisualStateChangedEventArgs e)
{
if (_notifyOnSubjectChanged)
{
/// TODO (CR Sep 2011): If the subject is an arbitrary object, why are we doing this?
if(e.PropertyName != "Color" && e.PropertyName != "LineStyle")
this.OnSubjectChanged();
}
}
/// <summary>
/// Forwards the <see cref="VisualStateChanged"/> event from a child graphic to listeners of a parent graphic.
/// </summary>
/// <param name="e">Data for the <see cref="VisualStateChanged"/> event.</param>
internal void NotifyVisualStateChanged(VisualStateChangedEventArgs e)
{
if (ReferenceEquals(e.Graphic, this))
OnVisualStateChanged(e.PropertyName);
EventsHelper.Fire(_visualStateChanged, this, e);
}
