Bug 180864 Change Allow Null option in Cascading Group.[0705]
Description: Change Allow Null option in Cascading Group. Build number:2.2.0.v20070404 Steps to reproduce: 1. New a cascading group and add sub parameter. Expected result: Is Required option in cascading group definition dialog. Actual result: Allow null value option in Cascading Group definition dialog Error log:N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
public void modify( Object element, String property, Object value )
		{
			Object actualElement = ( (TableItem) element ).getData( );
			try
			{
				saveParameterProperties( );
			}
			catch ( SemanticException e1 )
			{
				e1.printStackTrace( );
			}
			if ( COLUMN_NAME.equals( property ) )
			{
				try
				{
					( (ScalarParameterHandle) actualElement ).setName( (String) value );
					givenName = true;
				}
				catch ( NameException e )
				{
					ExceptionHandler.handle( e );
				}
			}
			if ( COLUMN_DATA_SET.equals( property ) )
			{
				try
				{
					if ( isSingle( ) )
					{
						inputParameterGroup.setDataSet( getDataSet( (String) value ) );