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
operation= new RemoveFromClasspathOperation(null, action);
                break;
            }
            case IClasspathInformationProvider.EXCLUDE: {
                imageDescriptor= JavaPluginImages.DESC_ELCL_EXCLUDE_FROM_BUILDPATH;
                disabledImageDescriptor= JavaPluginImages.DESC_DLCL_EXCLUDE_FROM_BUILDPATH;
                text= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Exclude_label; 
                tooltip= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Exclude_tooltip; 
                operation= new ExcludeOperation(null, action);
                break;
            }
            case IClasspathInformationProvider.UNEXCLUDE: {
                imageDescriptor= JavaPluginImages.DESC_ELCL_INCLUDE_ON_BUILDPATH;
                disabledImageDescriptor= JavaPluginImages.DESC_DLCL_INCLUDE_ON_BUILDPATH;
                text= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Unexclude_label; 
                tooltip= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Unexclude_tooltip; 
                operation= new UnexcludeOperation(null, action);
                break;
            }
            case IClasspathInformationProvider.EDIT_FILTERS: {
                imageDescriptor= JavaPluginImages.DESC_ELCL_CONFIGURE_BUILDPATH_FILTERS;
                disabledImageDescriptor= JavaPluginImages.DESC_DLCL_CONFIGURE_BUILDPATH_FILTERS;
                text= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Edit_label; 
                tooltip= NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Edit_tooltip; 
                operation= new EditFiltersOperation(null, action);
                break;
            }
            case IClasspathInformationProvider.EDIT_OUTPUT: {
                imageDescriptor= JavaPluginImages.DESC_ELCL_CONFIGURE_OUTPUT_FOLDER;
                disabledImageDescriptor= JavaPluginImages.DESC_DLCL_CONFIGURE_OUTPUT_FOLDER;