public override void Draw(StreamGeometryContext context, Connection connection)
{
if (connection.SourceConnectionPoint == null || connection.TargetConnectionPoint == null)
{
context.BeginFigure(connection.StartPoint, true, false);
context.LineTo(connection.EndPoint, true, true);
}
else if(connection.Source == connection.Target)
{
Point startPoint = connection.SourceEndPoint.EndPoint;
Point midPoint = connection.SourceConnectionPoint.LineAwayFromThisTo(startPoint, 50);
context.BeginFigure(startPoint, true, true);
context.ArcTo(midPoint, new Size(50, 50), 180, false, SweepDirection.Clockwise, true, true);
context.ArcTo(startPoint, new Size(50, 50), 180, false, SweepDirection.Clockwise, true, true);
}
else
{
Point startPoint = connection.SourceEndPoint.EndPoint;
Point endPoint = connection.TargetEndPoint.EndPoint;
context.BeginFigure(startPoint, true, false);
context.LineTo(endPoint, true, true);
}
}
public void Draw(StreamGeometryContext context, Connection connection)
{
Point startPoint = connection.SourceEndPoint.EndPoint;
Point endPoint = connection.TargetEndPoint.EndPoint;
context.BeginFigure(startPoint, true, false);
context.LineTo(endPoint, true, true);
}
public ConnectionDragger(DiagramSurface surface, MainWindow window, Point startPoint, Connection originalConnection, bool isStartOfConnection)
: base(surface, window, startPoint)
{
_OriginalConnection = originalConnection;
_IsStartOfConnection = isStartOfConnection;
_OriginalConnectionPoint = isStartOfConnection
? originalConnection.SourceConnectionPoint
: originalConnection.TargetConnectionPoint;
_OriginalConnectionBrush = _OriginalConnection.Stroke;
SetupMouse();
}
public static void SetConnectionStartPointBinding(Connection connection, ConnectionPoint connPoint)
{
if (connPoint == null) throw new ArgumentNullException("connPoint");
connection.SetBinding(StartPointProperty, new Binding { Source = connPoint, Path = new PropertyPath(ConnectionPoint.LocationProperty) });
connection.SourceConnectionPoint = connPoint;
}
public static void SetConnectionPointBinding(Connection connection, ConnectionPoint sourceConnPoint, ConnectionPoint targetConnPoint)
{
SetConnectionStartPointBinding(connection, sourceConnPoint);
SetConnectionEndPointBinding(connection, targetConnPoint);
}
public void SetVisibility(Connection connection, Visibility visibility)
{
visibleConnections.Remove(connection);
if (visibility == Visibility.Visible)
visibleConnections.Add(connection);
}
public void RemoveConnection(Connection connection)
{
Schema.RemoveConnection(connection);
connection.Visible = false;
}
public void ConnectionSelected(Connection entity)
{
OnConnectionSelected.RaiseEvent(this, new SchemaEventArgs<Connection>(entity));
}
public void AddConnection(Connection connection)
{
Schema.AddConnection(connection);
connection.Visible = false;
}
public TextShapeDecoration(Connection decoratedShape)
: base(decoratedShape)
{
TextSize = 12;
parent = decoratedShape;
}
public abstract void Draw(StreamGeometryContext context, Connection connection);
public virtual void CustomSetupConnectorEndPoint(Connection connection)
{
throw new System.InvalidOperationException("This class does not implement a custom Connector Endpoint Setup routine");
}
public void RemoveConnection(Connection connection)
{
_Connections.Remove(connection);
}
public void AddConnection(Connection connection)
{
if(_Connections.Contains(connection) == false)
_Connections.Add(connection);
}
public void CustomSetupConnectorEndPoint(Connection connection)
{
connection.SourceCardinalityConverter = new InheritanceCardinalityConverter();
}