protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (tracking)
{
selectedEntity.Move(new Point(e.X - _stratPoint.GetPoint().X, e.Y - _stratPoint.GetPoint().Y));
if (typeof(Connector).IsInstanceOfType(selectedEntity))
{
for (int k = 0; k < shapes.Count; k++)
{
shapes[k].HitConnector(e.Location);
}
}
}
else if (_leftMouse)
{
_viewOriginPoint = new DiagramPoint(_viewOriginPoint.GetPoint().X + e.X - _stratPoint.GetPoint().X, _viewOriginPoint.GetPoint().Y + e.Y - _stratPoint.GetPoint().Y);
}
int entityTYpe = -1;//0:ShapeBase;1:ShapeBase.connectors;2:connections;3:connections.From;4:connections.To.
Entity hoveredentity = shapes.Cast <Entity>().FirstOrDefault(f => f.Hit(e.Location));
if (hoveredentity == null)
{
hoveredentity = connections.Cast <Connection>().FirstOrDefault(f =>
{
if (f.Hit(e.Location))
{
entityTYpe = 2;
return(true);
}
if (f.From.Hit(e.Location))
{
entityTYpe = 3;
return(true);
}
if (f.To.Hit(e.Location))
{
entityTYpe = 4;
return(true);
}
return(false);
});
}
if (entityTYpe == 3)
{
hoveredentity = ((Connection)hoveredentity).From;
}
if (entityTYpe == 4)
{
hoveredentity = ((Connection)hoveredentity).To;
}
UpdateHovered(hoveredentity);
_stratPoint = e.Location;
Invalidate(true);
}
/// <summary>
/// Tests if the mouse hits this connector
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public override bool Hit(Point p)
{
p.X = p.X - this.site.ViewOriginPoint.GetPoint().X;
p.Y = p.Y - this.site.ViewOriginPoint.GetPoint().Y;
Point a = p;
Point b = point.GetPoint();
b.Offset(-7, -7);
//a.Offset(-1,-1);
Rectangle r = new Rectangle(a, new Size(0, 0));
Rectangle d = new Rectangle(b, new Size(15, 15));
return(d.Contains(r));
}