fBuildIfNeededCheckbox.setSelection(fJarPackage.isBuildingIfNeeded());
	protected void restoreWidgetValues() {		if (!fJarPackage.isUsedToInitialize())			initializeJarPackage();		fExportWarningsCheckbox.setSelection(fJarPackage.exportWarnings());		fExportErrorsCheckbox.setSelection(fJarPackage.exportErrors());		fUseSourceFoldersCheckbox.setSelection(fJarPackage.useSourceFolderHierarchy());		fSaveDescriptionCheckbox.setSelection(fJarPackage.isDescriptionSaved());		fDescriptionFileText.setText(fJarPackage.getDescriptionLocation().toString());	}