/**
* {@inheritDoc}
*
* @see
* org.eclipse.sirius.diagram.business.api.componentization.DiagramMappingsManagerRegistry#getDiagramMappingsManager(Session,
* DDiagram)
*/
@Override
public DiagramMappingsManager getDiagramMappingsManager(
final Session session, final DDiagram diagram) {
if (diagram == null) {
throw new IllegalArgumentException(
Messages.DiagramMappingsManagerRegistryImpl_diagramParamErrorMsg);
}
if (diagramMappingsManagers.containsKey(diagram)) {
return diagramMappingsManagers.get(diagram);
} else {
final DiagramDescription desc = diagram.getDescription();
final DiagramDescriptionMappingsRegistry mappingsRegistry =
DiagramDescriptionMappingsRegistry.INSTANCE;
final DiagramDescriptionMappingsManager descManager =
mappingsRegistry.getDiagramDescriptionMappingsManager(session, desc);
final DiagramMappingsManager newManager =
new DiagramMappingsManagerImpl(diagram, descManager);
diagram.eAdapters().add(this);
if (session != null) {
newManager.computeMappings(session.getSelectedViewpoints(false), false);
} else {
newManager.computeMappings(null, false);
}
diagramMappingsManagers.put(diagram, newManager);
return newManager;
}
}
private void computeMappings(final DDiagram diagram, final Layer layer) {
final DiagramMappingsManager manager = diagramMappingsManagers.get(diagram);
if (manager != null) {
boolean needToRecomputeDescMappings = false;
if (layer != null && layer.eContainer() instanceof DiagramExtensionDescription) {
needToRecomputeDescMappings = true;
}
Session sess = SessionManager.INSTANCE.getSession(((DSemanticDiagram) diagram).getTarget());
if (sess != null) {
manager.computeMappings(sess.getSelectedViewpoints(false), needToRecomputeDescMappings);
} else {
manager.computeMappings(null, needToRecomputeDescMappings);
}
}
}