public DiagramPoint Copy()
{
DiagramPoint diagramPoint = new DiagramPoint(this.X, this.Y);
diagramPoint.ConnectorDirection = this.ConnectorDirection;
return(diagramPoint);
}
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);
}
public Connection AddConnection(DiagramPoint from, DiagramPoint to)
{
Connection con = new Connection(from, to);
con.Site = this;
this.AddConnection(con);
return(con);
}
public void CopyControlParams(SaveDataInfo dataInfo)
{
this.ViewOriginPoint = dataInfo.ViewOriginPoint;
this.LineHoveredColor = dataInfo.LineHoveredColor;
this.LineSelectedColor = dataInfo.LineSelectedColor;
this.LineColor = dataInfo.LineColor;
this.BackColor = dataInfo.BackColor;
this.ShowGrid = dataInfo.ShowGrid;
}
/// <summary>
/// Constructs a connection between the two given points
/// </summary>
/// <param name="from">the starting point of the connection</param>
/// <param name="to">the end-point of the connection</param>
public Connection(DiagramPoint from, DiagramPoint to)
{
Connector connector1, connector2;
Connectors = new ConnectorCollection();
this.from = new Connector(from.Copy());
this.from.Name = "From";
this.from.LocationChanged += Connector_LocationChanged;
connector1 = this.from;
Connectors.Add(connector1);
this.to = new Connector(to.Copy());
this.To.Name = "To";
connector2 = this.to;
this.to.LocationChanged += Connector_LocationChanged;
this.To.AttachedToChanged += To_AttachedToChanged;
Connectors.Add(connector2);
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
_leftMouse = e.Button == MouseButtons.Left;
_stratPoint = e.Location;
int entityTYpe = -1;//0:ShapeBase;1:ShapeBase.connectors;2:connections;3:connections.From;4:connections.To.
Entity hoveredentity = shapes.Cast <ShapeBase>().FirstOrDefault(f =>
{
if (f.Hit(e.Location))
{
return(true);
}
return(false);
});
if (hoveredentity == null && selectedEntity != null && selectedEntity is ShapeBase)
{
Connector connector = (selectedEntity as ShapeBase).HitConnector(e.Location);
if (connector != null)
{
Point point = e.Location;
point.Offset(-this.ViewOriginPoint.GetPoint().X, -this.ViewOriginPoint.GetPoint().Y);
Connection connection = this.AddConnection(connector.Point, point);
connection.From.ContainEntity = connector.ContainEntity;
connection.From.ConnectorsIndexOfContainEntity = connector.ConnectorsIndexOfContainEntity;
UpdateSelected(connection.To);
connector.AttachConnector(connection.From);
tracking = true;
Invalidate(true);
return;
}
}
if (hoveredentity != null)
{
tracking = true;
OnSelectChanged(hoveredentity, new SelectElementChangedEventArgs()
{
CurrentEntity = hoveredentity, PreviousEntity = selectedEntity
});
}
else
{
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;
tracking = true;
}
else if (entityTYpe == 4)
{
hoveredentity = ((Connection)hoveredentity).To;
tracking = true;
}
else if (entityTYpe == 2)
{
OnSelectChanged(hoveredentity, new SelectElementChangedEventArgs()
{
CurrentEntity = hoveredentity, PreviousEntity = selectedEntity
});
}
}
if (hoveredentity == null)
{
OnSelectChanged(this.proxy, new SelectElementChangedEventArgs()
{
CurrentEntity = hoveredentity, PreviousEntity = selectedEntity
});
}
UpdateSelected(hoveredentity);
Invalidate(true);
}
/// <summary>
/// Constructs a connector, passing its location
/// </summary>
/// <param name="p"></param>
public Connector(DiagramPoint p)
{
attachedConnectors = new ConnectorCollection();
Point = p;
}