//--------------------------------------------------------------------------------------------------
#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();
}
//--------------------------------------------------------------------------------------------------
void _OnMoveActionFinished(ToolAction toolAction)
{
if (CurrentTool != null)
{
return;
}
if (!_MoveAction.Points.Any())
{
// MoveAction has lost all it's point, stop it now
_MoveAction.Stop();
_MoveAction = null;
WorkspaceController.Invalidate();
return;
}
if (_MoveAction.MoveDelta.Magnitude() > 0)
{
Sketch.Points = new Dictionary <int, Pnt2d>(_ApplyMoveDelta(_MoveAction.Points, _MoveAction.MoveDelta));
// Check if points can be merged, and merge them
var mergeCandidates = _MoveAction.CheckMergePoints(Vec2d.Zero);
if (mergeCandidates.Any())
{
var pointString = mergeCandidates.Select(mc => String.Format("({0},{1})", mc.Value, mc.Key)).ToList().Join(", ");
if (MessageBox.Show(Application.Current.MainWindow, "Merge this points?\n " + pointString, "Merge points", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.Yes) == MessageBoxResult.Yes)
{
// Do merge
foreach (var mc in mergeCandidates)
{
Sketch.MergePoints(mc.Value, mc.Key);
}
}
}
// Run solver
Sketch.SolveConstraints(true);
// Commit changes
InteractiveContext.Current.UndoHandler.Commit();
}
}
