Bug 283491 [Accessibility] Shortcut keys are missing in dialogue "Advanced Bidi Data Source Settings" [17]
data/org.eclipse.birt.report.data.bidi.utils.ui/src/org/eclipse/birt/report/data/bidi/utils/ui/BidiGUIUtility.java
orderingScheme = ""; 
		}
		switch ( textDirectionCombo.getSelectionIndex( ) )
		{
		case BidiConstants.TEXT_DIRECTION_LTR_INDX:
			textDirection = BidiConstants.TEXT_DIRECTION_LTR;
			break;
		case BidiConstants.TEXT_DIRECTION_RTL_INDX:
			textDirection = BidiConstants.TEXT_DIRECTION_RTL;
			break;
		case BidiConstants.TEXT_DIRECTION_CONTEXTLTR_INDX:
			textDirection = BidiConstants.TEXT_DIRECTION_CONTEXTLTR;
			break;
		case BidiConstants.TEXT_DIRECTION_CONTEXTRTL_INDX:
			textDirection = BidiConstants.TEXT_DIRECTION_CONTEXTRTL;
			break;
		default:
			textDirection = ""; 
		}
		symSwap = ( symSwapCombo.getSelectionIndex( ) == BidiConstants.SYMSWAP_TRUE_INDX );
		switch ( shapingCombo.getSelectionIndex( ) )
		{
		case BidiConstants.SHAPING_NOMINAL_INDX:
			textShaping = BidiConstants.SHAPING_NOMINAL;
			break;
		case BidiConstants.SHAPING_SHAPED_INDX:
			textShaping = BidiConstants.SHAPING_SHAPED;
			break;
		default:
			textShaping = "";