Examples with CanDeleteContext org.osate.ge.businessobjecthandling.CanDeleteContext used on opensource projects

Example 1 with CanDeleteContext

use of org.osate.ge.businessobjecthandling.CanDeleteContext in project osate2 by osate.

the class ErrorPropagationHandler method canDelete.

@Override
public boolean canDelete(final CanDeleteContext ctx) {
    final ErrorPropagation bo = ctx.getBusinessObject(ErrorPropagation.class).get();
    // Don't allow deleting if there exists an error flow that references the error propagation
    final CombinedErrorModelSubclause combined = CombinedErrorModelSubclause.create(bo.getContainingClassifier());
    return !combined.getFlows().anyMatch(f -> {
        if (f instanceof ErrorSource) {
            final ErrorSource src = (ErrorSource) f;
            return src.getSourceModelElement() == bo;
        } else if (f instanceof ErrorSink) {
            final ErrorSink snk = (ErrorSink) f;
            return snk.getIncoming() == bo;
        } else if (f instanceof ErrorPath) {
            final ErrorPath path = (ErrorPath) f;
            return path.getIncoming() == bo || path.getOutgoing() == bo;
        }
        return false;
    });
}

Example 2 with CanDeleteContext

use of org.osate.ge.businessobjecthandling.CanDeleteContext in project osate2 by osate.

the class DeleteHandler method canDelete.

private boolean canDelete(final DiagramElement de) {
    final Object bo = de.getBusinessObject();
    final BusinessObjectHandler boHandler = de.getBusinessObjectHandler();
    if (boHandler == null) {
        return false;
    }
    // Don't allow proxies.
    if (bo instanceof EObject) {
        final EObject eobj = ((EObject) bo);
        if (eobj.eIsProxy()) {
            return false;
        }
        // Prevent deletion of resources which are part of plugins
        final Resource res = eobj.eResource();
        if (res != null && res.getURI().isPlatformPlugin()) {
            return false;
        }
    }
    return boHandler.canDelete(new CanDeleteContext(bo));
}