//--------------------------------------------------------------------------------------------------
#endregion
#region Selection
void _OnSelectionChanged(ToolAction toolAction)
{
if (CurrentTool != null)
{
return;
}
if (_MoveAction != null)
{
_MoveAction.Stop();
_MoveAction = null;
}
_UpdateSelections();
if (SelectedSegments.Any() || SelectedPoints.Any())
{
_MoveAction = new MoveSketchPointAction(this);
if (!WorkspaceController.StartToolAction(_MoveAction, false))
{
return;
}
_MoveAction.Previewed += _OnMoveActionPreview;
_MoveAction.Finished += _OnMoveActionFinished;
var segPoints = SelectedSegments.SelectMany(seg => seg.Points);
_MoveAction.SetSketchElements(Sketch, SelectedPoints.Union(segPoints).ToList());
}
WorkspaceController.Invalidate();
}
//--------------------------------------------------------------------------------------------------
public List <SketchConstraint> CreateConstraint <T>() where T : SketchConstraint
{
if (!CanCreateConstraint <T>())
{
return(null);
}
var constraints = SketchConstraintCreator.Create <T>(Sketch, SelectedPoints, SelectedSegmentIndices);
if (constraints != null)
{
Sketch.AddElements(null, null, null, constraints);
Sketch.SolveConstraints(false);
Sketch.SolveConstraints(true);
InteractiveContext.Current.UndoHandler.Commit();
_MoveAction?.Stop();
Elements.DeselectAll();
Elements.Select(constraints);
_UpdateSelections();
}
return(constraints);
}
