fUseSourceFoldersCheckbox.setEnabled(fJarPackage.areJavaFilesExported() && !fJarPackage.areClassFilesExported());
fUseSourceFoldersCheckbox.setEnabled(fJarPackage.areJavaFilesExported() && !fJarPackage.areGeneratedFilesExported());
	protected void createOptionsGroup(Composite parent) {				initializeDialogUnits(parent);				Composite optionsGroup= new Composite(parent, SWT.NONE);		GridLayout layout= new GridLayout();		layout.marginHeight= 0;		optionsGroup.setLayout(layout);		createLabel(optionsGroup, JarPackagerMessages.getString("JarOptionsPage.howTreatProblems.label"), false); //$NON-NLS-1$		UntypedListener selectionListener= new UntypedListener();		fExportErrorsCheckbox= new Button(optionsGroup, SWT.CHECK | SWT.LEFT);		fExportErrorsCheckbox.setText(JarPackagerMessages.getString("JarOptionsPage.exportErrors.text")); //$NON-NLS-1$		fExportErrorsCheckbox.addListener(SWT.Selection, selectionListener);		fExportWarningsCheckbox= new Button(optionsGroup, SWT.CHECK | SWT.LEFT);		fExportWarningsCheckbox.setText(JarPackagerMessages.getString("JarOptionsPage.exportWarnings.text")); //$NON-NLS-1$		fExportWarningsCheckbox.addListener(SWT.Selection, selectionListener);		createSpacer(optionsGroup);		fUseSourceFoldersCheckbox= new Button(optionsGroup, SWT.CHECK | SWT.LEFT);		fUseSourceFoldersCheckbox.setText(JarPackagerMessages.getString("JarOptionsPage.useSourceFoldersHierarchy")); //$NON-NLS-1$		fUseSourceFoldersCheckbox.addListener(SWT.Selection, selectionListener);		fUseSourceFoldersCheckbox.setEnabled(fJarPackage.areJavaFilesExported() && !fJarPackage.areClassFilesExported());		createSpacer(optionsGroup);		fBuildIfNeededCheckbox= new Button(optionsGroup, SWT.CHECK | SWT.LEFT);		fBuildIfNeededCheckbox.setText(JarPackagerMessages.getString("JarOptionsPage.buildIfNeeded")); //$NON-NLS-1$		fBuildIfNeededCheckbox.addListener(SWT.Selection, selectionListener);		createSpacer(optionsGroup);				fSaveDescriptionCheckbox= new Button(optionsGroup, SWT.CHECK | SWT.LEFT);		fSaveDescriptionCheckbox.setText(JarPackagerMessages.getString("JarOptionsPage.saveDescription.text")); //$NON-NLS-1$		fSaveDescriptionCheckbox.addListener(SWT.Selection, selectionListener);		createDescriptionFileGroup(parent);	}