Bug 127746 [build path] Build Path action "no actions available" should be disabled
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/newsourcepage/GenerateBuildPathActionGroup.java
text= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_EditOutput_label; 
                tooltip= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_EditOutput_tooltip; 
                operation= new EditOutputFolderOperation(null, action);
                ((EditOutputFolderOperation)operation).showOutputFolders(true);
                break;
            }
            case IClasspathInformationProvider.ADD_JAR_TO_BP: {
                imageDescriptor= JavaPluginImages.DESC_OBJS_EXTJAR;
                
                text= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_AddJarCP_label; 
                tooltip= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_AddJarCP_tooltip; 
                operation= new AddExternalArchivesOperation(null, action);
                break;
            }
            case IClasspathInformationProvider.ADD_LIB_TO_BP: {
                imageDescriptor= JavaPluginImages.DESC_OBJS_LIBRARY;
                
                text= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_AddLibCP_label; 
                tooltip= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_AddLibCP_tooltip; 
                operation= new AddLibraryOperation(null, action);
                break;
            }
            default: break;
        }
        action.initialize(operation, imageDescriptor, disabledImageDescriptor, text, tooltip);
        return action;
    }
            
    /* (non-Javadoc)
     * Method declared in ActionGroup