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
catch ( InvocationTargetException e )
		{
			Throwable realException = e.getTargetException( );
			ExceptionHandler.handle( realException );
			return false;
		}
		return true;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.IWorkbenchWizard#init(org.eclipse.ui.IWorkbench,
	 *      org.eclipse.jface.viewers.IStructuredSelection)
	 */
	public void init( IWorkbench workbench, IStructuredSelection selection )
	{
		
		IWorkspaceRoot root = ResourcesPlugin.getWorkspace( ).getRoot( );
		IProject projects[] = root.getProjects( );
		boolean foundOpenProject = false;
		for ( int i = 0; i < projects.length; i++ )
		{
			if ( projects[i].isOpen( ) )
			{
				foundOpenProject = true;
				break;
			}
		}
		if ( !foundOpenProject )
		{