boolean exportClassFiles= fJarPackage.areClassFilesExported(); fExportWarningsCheckbox.setEnabled(exportClassFiles); fExportErrorsCheckbox.setEnabled(exportClassFiles); fBuildIfNeededCheckbox.setEnabled(exportClassFiles);  fUseSourceFoldersCheckbox.setEnabled(fJarPackage.areJavaFilesExported() && !fJarPackage.areClassFilesExported());
	protected void updateWidgetEnablements() {		boolean saveDescription= fSaveDescriptionCheckbox.getSelection();		fDescriptionFileGroup.setEnabled(saveDescription);		fDescriptionFileBrowseButton.setEnabled(saveDescription);		fDescriptionFileText.setEnabled(saveDescription);		fDescriptionFileLabel.setEnabled(saveDescription);	}