public override void Execute(object parameter)
{
foreach (VisualCornerManipulator manipulator in _context.CornerManipulators)
{
_context.MapEntities.Remove(manipulator);
}
_context.CornerManipulators.Clear();
if (_context.LastSelected is VisualPolygonalBuilding)
{
VisualPolygonalBuilding polygon = (VisualPolygonalBuilding)_context.LastSelected;
for (int i = 0; i < polygon.Corners.Count; i++)
{
VisualCornerManipulator manipulator = new VisualCornerManipulator(polygon.SourceEntity, polygon, i);
_context.CornerManipulators.Add(manipulator);
_context.MapEntities.Add(manipulator);
}
_context.CurrentlyManipulatedObject = _context.LastSelected;
}
else if (_context.LastSelected is WallElement)
{
WallElement wall = (WallElement)_context.LastSelected;
for (int i = 0; i < 2; i++)
{
VisualCornerManipulator manipulator = new VisualCornerManipulator(wall.SourceEntity, wall, i);
_context.CornerManipulators.Add(manipulator);
_context.MapEntities.Add(manipulator);
}
_context.CurrentlyManipulatedObject = _context.LastSelected;
}
}
public VisualCornerManipulator(IMapEntity mapEntity, VisualPolygonalBuilding polygon, int index) : base(mapEntity)
{
Color = Colors.Blue;
Width = Constants.ManipulatorDiameter;
Height = Constants.ManipulatorDiameter;
_polygon = polygon;
_polygon.PropertyChanged += manipulatedObject_PropertyChanged;
_cornerIndex = index;
}
public override void Do()
{
_context.SelectedEntities.Clear();
if (Building == null)
{
// Create polygon points from line collection
List <Point2D> points = new List <Point2D>();
double x = 0; // sum of x coordinates
double y = 0; // sum of y coordinates
foreach (WallElement wall in ((DataModel)_context).NewPolygonalBuildingWalls)
{
Point2D point1 = new Point2D()
{
X = wall.X1, Y = wall.Y1
};
Point2D point2 = new Point2D()
{
X = wall.X2, Y = wall.Y2
};
if (points.AddIfNoPointPresent(point1)) // add first point if no point is at the location
{
x += point1.X;
y += point1.Y;
}
if (points.AddIfNoPointPresent(point2)) // add second point if no point is at the location
{
x += point2.X;
y += point2.Y;
}
((DataModel)_context).MapEntities.Remove(wall); // remove wall from the world
}
x /= (points.Count); // calculate x coordinate of the polygon center
y /= (points.Count); // calculate y coordinate of the polygon center
for (int i = 0; i < points.Count; i++) // move corner points to local coordinate system of the polygon
{
points[i] = new Point2D()
{
X = points[i].X - x, Y = points[i].Y - y
};
}
// create polygon element
Building = new VisualPolygonalBuilding(new PolygonBuilding()
{
Corners = points, X = x, Y = y, Id = ((DataModel)_context).CurrentMap.GetNewId(), Name = Constants.DefaultHouseName
});
Building.CreateFloorFromDimensions();
}
((DataModel)(_context)).MapEntities.Add(Building); // add polygon to the world
Building.IsSelected = true;
}