Bug 119331 Library - name space terminology and behavior
During BIRT 2.0 library feature review meeting the following change was decided. - Change the term namespace to 'prefix' - By default use the library name as the prefix ( namespace ); the dialog to input prefix should be prompted only if hte auto generated prefix is not unique.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
source = unwrapToModel( source );
		if ( source instanceof Object[] )
		{
			Object[] array = (Object[]) source;
			ArrayList list = new ArrayList( );
			for ( int i = 0; i < array.length; i++ )
			{
				if ( array[i] instanceof ColumnHandle )
				{
					list.add( cloneSource( array[i] ) );
				}
			}
			if ( !list.isEmpty( ) )
			{
				return list.toArray( );
			}
			for ( int i = 0; i < array.length; i++ )
			{
				
				if ( !checkContainerExists( array[i], array ) )
				{
					list.add( cloneSource( array[i] ) );
				}
			}
			return list.toArray( );
		}
		if ( source instanceof StructuredSelection )
		{
			return cloneSource( ( (StructuredSelection) source ).toArray( ) );
		}