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
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.cheatsheets.OpenCheatSheetAction;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.wizards.newresource.BasicNewProjectResourceWizard;
/**
 * An implementation of <code>INewWizard</code>. Creates a new blank report
 * file.
 */
public class NewReportWizard extends Wizard implements INewWizard, IExecutableExtension
{
	private static final String OPENING_FILE_FOR_EDITING = Messages.getString( "NewReportWizard.text.OpenFileForEditing" ); 
	private static final String CREATING = Messages.getString( "NewReportWizard.text.Creating" ); 
	private static final String NEW_REPORT_FILE_NAME_PREFIX = Messages.getString( "NewReportWizard.displayName.NewReportFileNamePrefix" ); 
	private static final String NEW_REPORT_FILE_EXTENSION = Messages.getString( "NewReportWizard.displayName.NewReportFileExtension" ); 
	private static final String SELECT_A_REPORT_TEMPLATE = Messages.getString( "NewReportWizard.text.SelectTemplate" ); 
	private static final String CREATE_A_NEW_REPORT = Messages.getString( "NewReportWizard.text.CreateReport" ); 
	String REPORT = Messages.getString( "NewReportWizard.title.Report" ); 
	private static final String TEMPLATECHOICEPAGE = Messages.getString( "NewReportWizard.title.Template" ); 
	private static final String WIZARDPAGE = Messages.getString( "NewReportWizard.title.WizardPage" ); 
	private static final String NEW = Messages.getString( "NewReportWizard.title.New" ); 
	
	
	
	private IStructuredSelection selection;
	WizardNewReportCreationPage newReportFileWizardPage;
	private WizardTemplateChoicePage templateChoicePage;
	private int UNIQUE_COUNTER = 0;
	
	private String fileExtension = IReportElementConstants.DESIGN_FILE_EXTENSION;