Bug 122869 Drag a parameter from data explorer view into a table in library, a new parameter is created automatically.
Description:Drag a parameter from data explorer view into a table in library, a new parameter is created automatically. Steps to reproduce: 1. Add a cascading parameter and a table in a library file. 2. Drag a parameter from data explorer view into a table cell in layout editor. 3. Find that a new parameter was added in data explorer view automatically.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/palette/BasePaletteFactory.java
*/
		public boolean preHandleMouseUp( )
		{
			if ( getRequest( ).getNewObjectType( ) instanceof ScalarParameterHandle )
			{
				try
				{
					Object newObj = getRequest( ).getNewObject( );
					if ( newObj instanceof Object[]
							&& ( (Object[]) newObj ).length > 0 )
					{
						newObj = ( (Object[]) newObj )[0];
					}
					DesignElementHandle elementHandle = (DesignElementHandle) newObj;
					if ( elementHandle.getRoot( ) instanceof LibraryHandle )
					{
						ModuleHandle moduleHandle = SessionHandleAdapter.getInstance( )
								.getReportDesignHandle( );
						LibraryHandle library = (LibraryHandle) elementHandle.getRoot( );
						try
						{
							if ( UIUtil.includeLibrary( moduleHandle, library ) )
							{
								elementHandle = moduleHandle.getElementFactory( )
										.newElementFrom( elementHandle, null );
								moduleHandle.addElement( elementHandle,
										ModuleHandle.PARAMETER_SLOT );
							}
						}
						catch ( Exception e )