/**
* Create the graphical annotation for a YAWL edge.
*
* @param sourceId of the YAWL source
* @param targetId of the YAWL target
* @throws CanoniserException
*/
protected void createGraphicsForFlow(final String sourceId, final String targetId)
throws CanoniserException {
final GraphicsType graphics = ANF_FACTORY.createGraphicsType();
graphics.setCpfId(
generateUUID(CONTROLFLOW_ID_PREFIX, getContext().buildEdgeId(sourceId, targetId)));
graphics.setId(generateUUID());
final LayoutFlowFactsType flowLayout =
getContext().getLayoutFlow(getContext().buildEdgeId(sourceId, targetId));
// Convert and add YAWL specific extension
if (flowLayout != null) {
graphics
.getAny()
.add(
ExtensionUtils.marshalYAWLFragment(
ExtensionUtils.FLOW,
getContext().getLayoutFlow(getContext().buildEdgeId(sourceId, targetId)),
LayoutFlowFactsType.class));
graphics.setLine(convertFlowLineStyle(flowLayout));
try {
graphics.getPosition().addAll(convertFlowPositions(flowLayout));
if (graphics.getPosition().isEmpty()) {
// Calculate start and end position
LayoutVertexFactsType sourceVertex = getContext().getLayoutVertexForElement(sourceId);
LayoutVertexFactsType targetVertex = getContext().getLayoutVertexForElement(targetId);
if (sourceVertex != null && targetVertex != null) {
try {
graphics
.getPosition()
.add(calculateFlowPosition(sourceVertex, flowLayout.getPorts().getOut()));
graphics
.getPosition()
.add(calculateFlowPosition(targetVertex, flowLayout.getPorts().getIn()));
} catch (ParseException e) {
throw new CanoniserException(
"Could not calculate default position for flow from "
+ sourceId
+ " to "
+ targetId,
e);
}
}
}
} catch (final ParseException e) {
throw new CanoniserException(
"Could not convert layout of flow from " + sourceId + " to " + targetId, e);
}
}
getContext().getAnnotationResult().getAnnotation().add(graphics);
}
private LineType convertFlowLineStyle(final LayoutFlowFactsType flowLayout) {
final LineType lineType = ANF_FACTORY.createLineType();
lineType.setWidth(new BigDecimal(DEFAULT_LINE_SIZE));
for (final JAXBElement<?> obj :
flowLayout.getAttributes().getAutosizeOrBackgroundColorOrBendable()) {
if (obj.getName().getLocalPart().equalsIgnoreCase(LINE_STYLE)) {
lineType.setWidth(new BigDecimal((BigInteger) obj.getValue()));
}
}
return lineType;
}
private Collection<PositionType> convertFlowPositions(final LayoutFlowFactsType flowLayout)
throws ParseException {
final ArrayList<PositionType> positions = new ArrayList<PositionType>();
for (final JAXBElement<?> obj :
flowLayout.getAttributes().getAutosizeOrBackgroundColorOrBendable()) {
if (obj.getValue() instanceof LayoutPointsType) {
final LayoutPointsType points = (LayoutPointsType) obj.getValue();
for (final LayoutPointType point : points.getValue()) {
final PositionType position = ANF_FACTORY.createPositionType();
position.setX(convertToBigDecimal(point.getX()));
position.setY(convertToBigDecimal(point.getY()));
positions.add(position);
}
}
}
return positions;
}
