public override void UpdateEdge(bool updateLabel = true)
{
if (!ShowArrows)
{
if (EdgePointerForTarget != null)
{
EdgePointerForTarget?.Hide();
EdgePointerForTarget = null;
}
if (EdgePointerForSource != null)
{
EdgePointerForSource?.Hide();
EdgePointerForSource = null;
}
}
base.UpdateEdge(updateLabel);
if (((VisualEdge)Edge).Edge.Weight == null)
{
EdgeLabelControl?.Hide();
}
else
{
EdgeLabelControl?.Show();
}
}
public override void Clean()
{
Source = null;
Target = null;
Edge = null;
RootArea = null;
HighlightBehaviour.SetIsHighlightEnabled(this, false);
DragBehaviour.SetIsDragEnabled(this, false);
Linegeometry = null;
LinePathObject = null;
SelfLoopIndicator = null;
EdgeLabelControls.ForEach(l => l.Dispose());
EdgeLabelControls.Clear();
if (EdgePointerForSource != null)
{
EdgePointerForSource.Dispose();
EdgePointerForSource = null;
}
if (EdgePointerForTarget != null)
{
EdgePointerForTarget.Dispose();
EdgePointerForTarget = null;
}
EventOptions?.Clean();
}
public override void Clean()
{
//TODO rename to _sourceWatcher _targetWatcher
if (_sourceWatcher != null)
{
_sourceWatcher.Dispose();
}
if (_targetWatcher != null)
{
_targetWatcher.Dispose();
}
if (Source != null)
{
Source.PositionChanged -= source_PositionChanged;
}
if (Target != null)
{
Target.PositionChanged -= source_PositionChanged;
}
_oldSource = _oldTarget = null;
Source = null;
Target = null;
Edge = null;
RootArea = null;
HighlightBehaviour.SetIsHighlightEnabled(this, false);
DragBehaviour.SetIsDragEnabled(this, false);
_linegeometry = null;
LinePathObject = null;
SelfLoopIndicator = null;
if (EdgeLabelControl != null)
{
EdgeLabelControl.Dispose();
EdgeLabelControl = null;
}
if (EdgePointerForSource != null)
{
EdgePointerForSource.Dispose();
EdgePointerForSource = null;
}
if (EdgePointerForTarget != null)
{
EdgePointerForTarget.Dispose();
EdgePointerForTarget = null;
}
if (EventOptions != null)
{
EventOptions.Clean();
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (!ShowArrows)
{
// Hide arrow
EdgePointerForSource?.Hide();
EdgePointerForTarget?.Hide();
// Force line length to connect source/target
_linegeometry = new PathGeometry(new[]
{
new PathFigure(Source.GetCenterPosition(), new [] {
new LineSegment(Target.GetCenterPosition(), isStroked: true)
}, closed: false)
});
LinePathObject.Data = _linegeometry;
}
}