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.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
}
		catch ( Exception e )
		{
		}
		if ( shell == null )
		{
			return new Shell( );
		}
		return shell;
	}
	public static ElementFactory getElementFactory( )
	{
		return SessionHandleAdapter.getInstance( )
				.getReportDesignHandle( )
				.getElementFactory( );
	}
	/**
	 * Creates a new group under the given parent
	 * 
	 * @param parent
	 *            The parent of the new group, it should be a table or a list
	 *            and should not be null.
	 * @return true if the group created successfully, false if the creation is
	 *         cancelled or some error occurred.
	 */
	public static boolean createGroup( DesignElementHandle parent )
	{
		Assert.isNotNull( parent );
		try
		{