public bool IsBelongRoute(PointF point)
{
this.nailSelected = -1;
this.segmentSelected = -1;
PointF current = this.GetStartingPoint();
for (int i = 0; i < nails.Count; i++)
{
PointF nailPosition = nails[i].Center();
if (GraphUltility.Distance(point, nailPosition) <= MAXIMUM_DISTANCE)
{
this.nailSelected = i;
return true;
}
if (GraphUltility.Distance(current, point) + GraphUltility.Distance(point, nailPosition) - GraphUltility.Distance(current, nailPosition) <= MAXIMUM_DISTANCE)
{
this.segmentSelected = i;
return true;
}
current = nailPosition;
}
PointF end = this.GetEndPoint();
if (GraphUltility.Distance(current, point) + GraphUltility.Distance(point, end) - GraphUltility.Distance(current, end) <= MAXIMUM_DISTANCE)
{
this.segmentSelected = this.nails.Count;
return true;
}
return false;
}
public virtual void DrawToGraphics(Graphics graphics)
{
Pen pen = Pens.Black;
switch (this.CurrentState)
{
case ItemState.Free:
pen = new Pen(ColorDefinition.GetColorWhenFree());
break;
case ItemState.Hover:
pen = new Pen(ColorDefinition.GetColorWhenHover());
break;
case ItemState.Selected:
pen = new Pen(ColorDefinition.GetColorWhenSelected());
break;
default:
break;
} // switch
setLinkKind(pen);
List<PointF> tempNails = new List<PointF>();
tempNails.Add(this.GetStartingPoint());
foreach (NailItem nail in this.nails)
tempNails.Add(nail.Center());
tempNails.Add(this.GetEndPoint());
float R = NailItem.R;
if (this.CurrentState == ItemState.Free)
R = NailItem.R + 5;
PointF[] points = new PointF[3];
PointF firstNail = PointF.Empty;
firstNail = tempNails[0];
for (int i = 0; i < tempNails.Count - 1; i++)
{
points[1] = tempNails[i + 1];
points[0] = GraphUltility.FindPointByDistance(points[1], firstNail, R);
graphics.DrawLine(pen, firstNail, points[0]);
if (i + 2 < tempNails.Count)
{
points[2] = GraphUltility.FindPointByDistance(points[1], tempNails[i + 2], R);
firstNail = points[2];
//Make the intersection curved
if (this.CurrentState == ItemState.Free)
graphics.DrawBezier(pen, points[0], points[1], points[1], points[2]);
}
}
DrawRouteWithBigArrow(graphics, pen, firstNail, tempNails[tempNails.Count - 1]);
}
public PointF GetEndPoint()
{
StateItem to = (StateItem)this.to;
if (this.nails.Count == 0)
{
StateItem from = (StateItem)this.from;
return GraphUltility.FindPointByDistance(to.Center(), from.Center(), StateItem.R + 2);
}
return GraphUltility.FindPointByDistance(to.Center(), this.nails[this.nails.Count - 1].Center(), StateItem.R + 2);
}
public bool IsBelongRectange(Rectangle rect)
{
foreach (NailItem nail in this.nails)
{
if (!GraphUltility.IsBelongRectangle(rect, new PointF(nail.X, nail.Y)))
return false;
}
return GraphUltility.IsBelongRectangle(rect, new PointF(this.from.X, this.from.Y)) &&
GraphUltility.IsBelongRectangle(rect, new PointF(this.to.X, this.to.Y));
}
public PointF GetStartingPoint()
{
StateItem from = (StateItem)this.from;
if (this.nails.Count == 0)
{
StateItem to = (StateItem)this.to;
return(GraphUltility.FindPointByDistance(from.Center(), to.Center(), StateItem.R + 2));
}
return(GraphUltility.FindPointByDistance(from.Center(), this.nails[0].Center(), StateItem.R + 2));
}
