/// <summary>
/// Initializes a new instance of the <see cref="ConnectorDrawing" /> class.
/// </summary>
/// <param name="definition">The definition.</param>
/// <param name="align">The align.</param>
/// <param name="owningItem">The owning item.</param>
public ConnectorDrawing(ConnectorDefinition definition, ConnectorAlign align, DiagramItem owningItem)
{
Align = align;
Definition = definition;
OwningItem = owningItem;
var halfMargin = 10;
switch (Align)
{
case ConnectorAlign.Top:
case ConnectorAlign.Bottom:
Margin = new Thickness(halfMargin, 0, halfMargin, 0);
break;
case ConnectorAlign.Left:
case ConnectorAlign.Right:
Margin = new Thickness(0, halfMargin, 0, halfMargin);
break;
}
}
/// <summary>
/// Generate points for given connectors.
/// </summary>
/// <param name="connectors">Connectors which points will be generated.</param>
/// <param name="connectorAlign">The connector align.</param>
/// <param name="item">The item.</param>
/// <param name="points">The points.</param>
/// <exception cref="System.NotSupportedException">Connector align + connectorAlign</exception>
private void generateConnectorPoints(IEnumerable <ConnectorDrawing> connectors, ConnectorAlign connectorAlign, DiagramItem item, List <GraphPoint> points)
{
//detect conus for connector direction
ViewAngle view;
switch (connectorAlign)
{
case ConnectorAlign.Bottom:
view = BottomEdge;
break;
case ConnectorAlign.Right:
view = RightConus;
break;
case ConnectorAlign.Left:
view = LeftConus;
break;
case ConnectorAlign.Top:
view = TopEdge;
break;
default:
throw new NotSupportedException("Connector align " + connectorAlign);
}
//create points for connectors
var connectorsArray = connectors.ToArray();
var connectorsCount = connectorsArray.Length;
for (var i = 0; i < connectorsCount; ++i)
{
var connector = connectorsArray[i];
var point = createPoint(connector, view);
_connectorPoints.Add(connector, point);
var inputs = getInputSlots(i, connectorsCount, connector, item, points);
foreach (var input in inputs)
{
point.SetEdgeStatus(input);
points.Add(input);
}
points.Add(point);
}
}
/// <summary>
/// Exports the connectory drawing factory that is used for every drawn join.
/// </summary>
/// <param name="factory">The exported factory.</param>
/// <param name="align">Align for which connector will be used.</param>
protected void ExportConnectorFactory(ConnectorFactory factory, ConnectorAlign align)
{
Message("Exporting {0} connector factory {1}", align, factory);
_connectorFactories[align] = factory;
}
/// <summary>
/// Gets the connector drawings.
/// </summary>
/// <param name="align">The align.</param>
/// <returns>IEnumerable<ConnectorDrawing>.</returns>
private IEnumerable<ConnectorDrawing> getConnectorDrawings(ConnectorAlign align)
{
return _connectors.Values.Where((connector) => connector.Align == align);
}
