Bug 209451 Default value for Cascading parameter lost.[0705]
Description: Default value for Cascading parameter lost. Build number:2.3.0.v20071112 Steps to reproduce: 1. New sample data source and dataset from CUSTOMERS. 2. New a cascading parameter from COUNTRY, STATE, set default value as USA and CA. 3. Preview. 4. Select other country and then back to USA, check values in state. Expected result: CA in state value list. Actual result: No item for 'CA' Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/BirtGetCascadeParameterActionHandler.java
extends
			AbstractGetCascadeParameterActionHandler
{
	/**
	 * Constructor.
	 * 
	 * @param context
	 * @param operation
	 */
	public BirtGetCascadeParameterActionHandler( IContext context,
			Operation operation, GetUpdatedObjectsResponse response )
	{
		super( context, operation, response );
	}
	protected void __execute( ) throws Exception
	{
		ViewerAttributeBean attrBean = (ViewerAttributeBean) context.getBean( );
		assert attrBean != null;
		Oprand[] params = operation.getOprand( );
		Map paramMap = new LinkedHashMap( );
		InputOptions options = new InputOptions( );
		options.setOption( InputOptions.OPT_REQUEST, context.getRequest( ) );
		IViewerReportDesignHandle designHandle = attrBean
				.getReportDesignHandle( context.getRequest( ) );
		Map cascParamMap = null;
		for ( int i = 0; i < params.length; i++ )
		{
			Oprand param = params[i];
			String paramName = param.getName( );
			boolean isLocale = false;