Bug 120503 Cascading Parameter can not drop into layout
Details: Cascading Parameter can not drop into layout Step: 1.Open a report design and Create a Sample Data Source and data set by "select * from CLASSICMODELS.CUSTOMERS" 2.New a cascading parameter and create CUSTOMERSNUMBER and CUSTOMERSNAME in parameter named number and name. Press OK 3.Drop parameter name into layout. Actual results: The parameter in Cascading Parameter Group can not drop to layout
UI/org.eclipse.birt.report.designer.ui.ide/src/org/eclipse/birt/report/designer/ui/ide/wizards/NewReportWizard.java
}
	
	int getCounter( String prefix, String ext )
	{
		IProject[] pjs = ResourcesPlugin.getWorkspace( )
				.getRoot( )
				.getProjects( );
		resetUniqueCount( );
		boolean goon = true;
		while ( goon )
		{
			goon = false;
			for ( int i = 0; i < pjs.length; i++ )
			{
				if ( pjs[i].isAccessible( ) )
				{
					if ( !validDuplicate( prefix,
							ext,
							UNIQUE_COUNTER,
							pjs[i] ) )
					{
						UNIQUE_COUNTER++;
						goon = true;
						break;
					}
				}
			}
		}
		return UNIQUE_COUNTER;
	}