Bug 135840 "Value of this data item" selection in map and highlight is no effect
Details: "Value of this data item" selection in map and highlight is no effect Step: 1. New a datasource and dataset 2. Add a table and binding all the column. 3. Add a data item in detail row. 4. Add a map of the data item. Select the value and open the list. Select "Value of this data item" Actual result: No effect when select this selection
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HighlightRuleBuilder.java
private String getFontFamily( )
	{
		String rfm = getRawFontFamily( );
		if ( rfm == null )
		{
			if ( designHandle != null )
			{
				if ( designHandle instanceof StyleHandle )
				{
					rfm = ( (StyleHandle) designHandle ).getFontFamilyHandle( )
							.getStringValue( );
				}
				else
				{
					rfm = designHandle.getPrivateStyle( )
							.getFontFamilyHandle( )
							.getStringValue( );
				}
			}
			else
			{
				rfm = DesignChoiceConstants.FONT_FAMILY_SERIF;
			}
		}
		return HighlightHandleProvider.getFontFamily( rfm );
	}
	private String getRawFontFamily( )