// ========================================
// method
// ========================================
public override void Execute()
{
var newIndex = _prevEdgePointRef.Index + 1;
_target.InsertBendPoint(newIndex, _location);
_createdEdgePointRef = _target.EdgePointRefs.ElementAt(newIndex);
}
public static ICommand RequestNewEdgePoint(this IEditor editor, EdgePointRef prevEdgePointRef, Point location)
{
var req = new NewEdgePointRequest();
req.PrevEdgePointRef = prevEdgePointRef;
req.Location = location;
return(editor.PerformRequest(req));
}
public static ICommand RequestMoveEdgePoint(this IEditor editor, EdgePointRef edgePointRef, Point location)
{
var req = new MoveEdgePointRequest();
req.EdgePointRef = edgePointRef;
req.Location = location;
return(editor.PerformRequest(req));
}
// ========================================
// constructor
// ========================================
public MoveEdgePointHandle(EdgePointRef edgePointRef)
{
var fig = new SimpleRect();
_figure = fig;
_figureSize = new Size(8, 8);
_request = new MoveEdgePointRequest();
_request.EdgePointRef = edgePointRef;
}
// ========================================
// constructor
// ========================================
public NewEdgePointHandle(EdgePointRef prevEdgePointRef)
{
var fig = new SimpleRect();
fig.Foreground = Color.Gray;
_figure = fig;
_figureSize = new Size(8, 8);
_request = new NewEdgePointRequest();
_request.PrevEdgePointRef = prevEdgePointRef;
}
// ========================================
// constructor
// ========================================
public MoveOrthogonalEdgePointHandle(EdgePointRef prevEdgePointRef)
{
var fig = new SimpleRect();
fig.Foreground = Color.Gray;
fig.Background = new SolidBrushDescription(Color.Yellow);
_figure = fig;
_figureSize = new Size(8, 8);
_prevPointRequest = new MoveEdgePointRequest();
_prevPointRequest.AdjustGrid = false;
_prevPointRequest.DontFlatten = true;
_prevPointRequest.EdgePointRef = prevEdgePointRef;
_nextPointRequest = new MoveEdgePointRequest();
_nextPointRequest.AdjustGrid = false;
_nextPointRequest.DontFlatten = true;
_nextPointRequest.EdgePointRef = prevEdgePointRef.Next;
}
// ------------------------------
// protected
// ------------------------------
protected ICommand GetEdgeFlattenCommand(IEdge edge, EdgePointRef edgePointRef, Point location)
{
if (edgePointRef.HasPrevEdgePointReference && edgePointRef.HasNextEdgePointReference)
{
Point prev = edgePointRef.Prev.EdgePoint;
Point next = edgePointRef.Next.EdgePoint;
double dist = Vector2D.GetDistanceLineSegAndPoint(
(Vector2D)prev, (Vector2D)next, (Vector2D)location
);
if (dist < _flattenWidth)
{
return(new RemoveEdgePointCommand(edge, edgePointRef.Index));
}
}
if (edgePointRef.HasPrevEdgePointReference && edgePointRef.Prev.HasPrevEdgePointReference)
{
Point prev = edgePointRef.Prev.EdgePoint;
Point prevprev = edgePointRef.Prev.Prev.EdgePoint;
double dist = Vector2D.GetDistanceLineSegAndPoint(
(Vector2D)prevprev, (Vector2D)location, (Vector2D)prev
);
if (dist < _flattenWidth)
{
return(new RemoveEdgePointCommand(edge, edgePointRef.Index - 1));
}
}
if (edgePointRef.HasNextEdgePointReference && edgePointRef.Next.HasNextEdgePointReference)
{
Point next = edgePointRef.Next.EdgePoint;
Point nextnext = edgePointRef.Next.Next.EdgePoint;
double dist = Vector2D.GetDistanceLineSegAndPoint(
(Vector2D)nextnext, (Vector2D)location, (Vector2D)next
);
if (dist < _flattenWidth)
{
return(new RemoveEdgePointCommand(edge, edgePointRef.Index + 1));
}
}
return(null);
}
// ========================================
// constructor
// ========================================
public MoveEdgePointCommand(IEdge target, EdgePointRef edgePointRef, Point location)
{
_target = target;
_edgePointRef = edgePointRef;
_location = location;
}
// ========================================
// constructor
// ========================================
public NewEdgePointCommand(IEdge target, EdgePointRef prevEdgePointRef, Point location)
{
_target = target;
_prevEdgePointRef = prevEdgePointRef;
_location = location;
}
