/// Return whether the instance is OK to be the source of a link, in its current state.
/// </summary>
/// <param name="shape"></param>
/// <returns></returns>
public override bool IsValidSourceInstance(ShapeElement shape)
{
if (!SourceShapeTypes.Contains(ConnectorConnectAction.TopLevelShape(shape).GetType()))
{
return(false);
}
return(base.IsValidSourceInstance(shape));
}
public override bool CanCreateConnection(ShapeElement sourceShapeElement, ShapeElement targetShapeElement, ref string connectionWarning)
{
ShapeElement realSource = ConnectorConnectAction.TopLevelShape(sourceShapeElement);
ShapeElement realTarget = ConnectorConnectAction.TopLevelShape(targetShapeElement);
ModelElement sourceElement = realSource.ModelElement;
ModelElement targetElement = realTarget.ModelElement;
if (realSource == null || realTarget == null)
{
return(false);
}
else if (realSource == realTarget)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture,
"No Self-Connections");
return(false);
}
else if (targetElement.GetType() == typeof(ISpySoft.FeatureModelLanguage.DomainModel.RootFeature))
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture,
"Connection to RootFeature not allowed");
return(false);
}
else if (targetElement.GetType() == typeof(ISpySoft.FeatureModelLanguage.DomainModel.FeatureSet))
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture,
"Cannot connect FeatureSet with this Connector");
return(false);
}
else if (targetElement.GetElementLinks().Count > 2)
{
if (NavigationHelper.HasParentShape(targetElement))
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture,
"Cannot connect a Shape which has already a parent Shape");
return(false);
}
else
{
return(true);
}
}
else
{
return(true);
}
}
public override bool CanCreateConnection(ShapeElement sourceShapeElement, ShapeElement targetShapeElement, ref string connectionWarning)
{
if (!base.CanCreateConnection(sourceShapeElement, targetShapeElement, ref connectionWarning))
{
return(false);
}
ShapeElement realSource = ConnectorConnectAction.TopLevelShape(sourceShapeElement);
ShapeElement realTarget = ConnectorConnectAction.TopLevelShape(targetShapeElement);
ModelElement sourceElement = realSource.ModelElement;
ModelElement targetElement = realTarget.ModelElement;
if (realSource == null || realTarget == null)
{
return(false);
}
if (realSource == realTarget)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture,
"No Self-Connections");
return(false);
}
if (targetElement.GetElementLinks().Count > 2)
{
if (NavigationHelper.HasParentShape(targetElement))
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture,
"Cannot connect a Shape which has already a parent Shape");
return(false);
}
}
return(true);
} // CanCreateConnection()
public override bool CanCreateConnection(ShapeElement sourceShape, ShapeElement targetShape, ref string connectionWarning)
{
if (sourceShape is IDecorator)
{
sourceShape = ConnectorConnectAction.TopLevelShape(sourceShape);
}
if (targetShape is IDecorator)
{
targetShape = ConnectorConnectAction.TopLevelShape(targetShape);
}
if ((sourceShape.ModelElement as Activity) != null && (targetShape.ModelElement as ViewPoint) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as Activity) != null && (targetShape.ModelElement as Activity) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as Activity) != null && (targetShape.ModelElement as Mapping) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as ISpySoft.SFSchemaLanguage.DomainModel.Artifact) != null && (targetShape.ModelElement as ISpySoft.SFSchemaLanguage.DomainModel.Artifact) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as ISpySoft.SFSchemaLanguage.DomainModel.Artifact) != null && (targetShape.ModelElement as Activity) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as ISpySoft.SFSchemaLanguage.DomainModel.Artifact) != null && (targetShape.ModelElement as Mapping) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as ISpySoft.SFSchemaLanguage.DomainModel.Artifact) != null && (targetShape.ModelElement as ViewPoint) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as Mapping) != null && (targetShape.ModelElement as Mapping) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as Mapping) != null && (targetShape.ModelElement as Activity) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as Mapping) != null && (targetShape.ModelElement as ISpySoft.SFSchemaLanguage.DomainModel.Artifact) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as ViewPoint) != null && (targetShape.ModelElement as ViewPoint) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else if ((sourceShape.ModelElement as ViewPoint) != null && (targetShape.ModelElement as Mapping) != null)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Connection not allowed");
return(false);
}
else
if (ConnectionValidator.MaxNumbersOfConnectionsReached(sourceShape, targetShape) == true)
{
connectionWarning = String.Format(System.Globalization.CultureInfo.CurrentCulture, "Maximum number of connections reached");
return(false);
}
else
{
return(true);
}
}
