@Override
public boolean canUpdate(IUpdateContext context) {
// return true, if linked business object is a Reference
PictogramElement pe = context.getPictogramElement();
Object bo = getBusinessObjectForPictogramElement(pe);
return bo instanceof Reference && pe instanceof ContainerShape;
}
public IReason updateNeeded(IUpdateContext context) {
// retrieve name from pictogram model
String pictogramName = null;
PictogramElement pictogramElement = context.getPictogramElement();
if (pictogramElement instanceof ContainerShape) {
ContainerShape cs = (ContainerShape) pictogramElement;
for (Shape shape : cs.getChildren()) {
if (shape.getGraphicsAlgorithm() instanceof Text) {
Text text = (Text) shape.getGraphicsAlgorithm();
pictogramName = text.getValue();
}
}
}
// retrieve name from business model
String businessName = null;
Object bo = getBusinessObjectForPictogramElement(pictogramElement);
if (bo instanceof EClass) {
EClass eClass = (EClass) bo;
businessName = eClass.getName();
}
// update needed, if names are different
boolean updateNameNeeded =
((pictogramName == null && businessName != null)
|| (pictogramName != null && !pictogramName.equals(businessName)));
if (updateNameNeeded) {
return Reason.createTrueReason("Name is out of date");
} else {
return Reason.createFalseReason();
}
}
private boolean isDecoratorChanged(IUpdateContext context, IFeatureProvider featureProvider) {
PictogramElement pictogramElement = context.getPictogramElement();
IFeatureContainer decorator =
DecoratorUtil.getMatchingFeatureContainer(getFeatureProvider(), context);
return !DecoratorUtil.isElementDecorator(pictogramElement, decorator);
}
@Override
public boolean canUpdate(IUpdateContext context) {
PictogramElement pictogramElement = context.getPictogramElement();
// TODO: Label property not correctly set
if (LabelUtil.isLabel(pictogramElement)
|| BusinessObjectUtil.getFirstElementOfType(pictogramElement, BPMNShape.class) == null) {
return false;
}
Object businessObject = getBusinessObjectForPictogramElement(pictogramElement);
return businessObject != null;
}
@Override
public IReason updateNeeded(IUpdateContext context) {
if (!canUpdate(context)) {
return Reason.createFalseReason();
}
ContainerShape cs = (ContainerShape) context.getPictogramElement();
Reference reference = (Reference) getBusinessObjectForPictogramElement(cs);
// make sure the component still exists in the model
if (!GraphitiInternal.getEmfService().isObjectAlive(reference)) {
return Reason.createTrueReason(
String.format("Reference {0} has been removed.", reference.getName()));
}
// retrieve name from pictogram model
String pictogramName = null;
Text foundText = GraphitiUtil.findChildGA(cs.getGraphicsAlgorithm(), Text.class);
if (foundText != null) {
pictogramName = foundText.getValue();
}
// update needed, if names are different
String businessName = reference.getName();
boolean updateNameNeeded =
((pictogramName == null && businessName != null)
|| (pictogramName != null && !pictogramName.contentEquals(businessName)));
if (updateNameNeeded) {
return Reason.createTrueReason("Reference name is out of date");
}
// check the wiring
final Set<Contract> existingConnections = getExistingConnections(cs);
for (ComponentReference promotedReference : reference.getPromote()) {
if (promotedReference != null && !existingConnections.remove(promotedReference)) {
return Reason.createTrueReason("Update connections.");
}
}
if (existingConnections.size() > 0) {
return Reason.createTrueReason("Update connections.");
}
return Reason.createFalseReason();
}
public boolean update(IUpdateContext context) {
// retrieve name from business model
String businessName = null;
PictogramElement pictogramElement = context.getPictogramElement();
Object bo = getBusinessObjectForPictogramElement(pictogramElement);
if (bo instanceof EClass) {
EClass eClass = (EClass) bo;
businessName = eClass.getName();
}
// Set name in pictogram model
if (pictogramElement instanceof ContainerShape) {
ContainerShape cs = (ContainerShape) pictogramElement;
for (Shape shape : cs.getChildren()) {
if (shape.getGraphicsAlgorithm() instanceof Text) {
Text text = (Text) shape.getGraphicsAlgorithm();
text.setValue(businessName);
return true;
}
}
}
return false;
}
@Override
public boolean update(IUpdateContext context) {
_hasDoneChanges = false;
// retrieve name from business model
ContainerShape cs = (ContainerShape) context.getPictogramElement();
Reference reference = (Reference) getBusinessObjectForPictogramElement(cs);
// remove it if it's gone
if (!GraphitiInternal.getEmfService().isObjectAlive(reference)) {
IRemoveContext removeContext = new RemoveContext(context.getPictogramElement());
final IRemoveFeature removeFeature = getFeatureProvider().getRemoveFeature(removeContext);
if (removeFeature != null && removeFeature.canRemove(removeContext)) {
removeFeature.remove(removeContext);
_hasDoneChanges = removeFeature.hasDoneChanges();
return true;
}
}
// Set name in pictogram model
String pictogramName = null;
Text foundText = GraphitiUtil.findChildGA(cs.getGraphicsAlgorithm(), Text.class);
if (foundText != null) {
pictogramName = foundText.getValue();
}
String businessName = reference.getName();
boolean updateNameNeeded =
((pictogramName == null && businessName != null)
|| (pictogramName != null && !pictogramName.contentEquals(businessName)));
if (updateNameNeeded) {
foundText.setValue(businessName);
_hasDoneChanges = true;
}
// update the wires
final Set<Contract> existingConnections = getExistingConnections(cs);
final Anchor anchor = cs.getAnchors().get(0);
for (ComponentReference promotedReference : reference.getPromote()) {
if (promotedReference != null && !existingConnections.remove(promotedReference)) {
for (PictogramElement pe :
getFeatureProvider().getAllPictogramElementsForBusinessObject(promotedReference)) {
if (pe instanceof Anchor) {
AddConnectionContext addContext = new AddConnectionContext((Anchor) pe, anchor);
addContext.setNewObject(reference);
updatePictogramElement(getFeatureProvider().addIfPossible(addContext));
_hasDoneChanges = true;
break;
}
}
}
}
for (Connection connection : new ArrayList<Connection>(anchor.getIncomingConnections())) {
Object bo = getBusinessObjectForPictogramElement(connection.getStart());
if (bo == null || existingConnections.remove(bo)) {
RemoveContext removeContext = new RemoveContext(connection);
IRemoveFeature removeFeature = getFeatureProvider().getRemoveFeature(removeContext);
if (removeFeature.canExecute(removeContext)) {
removeFeature.execute(removeContext);
_hasDoneChanges = _hasDoneChanges || removeFeature.hasDoneChanges();
}
}
}
return _hasDoneChanges;
}
public boolean canUpdate(IUpdateContext context) {
// return true, if linked business object is a EClass
Object bo = getBusinessObjectForPictogramElement(context.getPictogramElement());
return (bo instanceof EClass);
}
@Override
public boolean update(IUpdateContext context) {
DecoratorUtil.decorate(context.getPictogramElement(), getFeatureProvider());
return true;
}
