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
/**
	 * Returns specified command
	 * 
	 * @param commandType
	 *            command type, value is <code>TYPE_CUT</code> or
	 *            <code>TYPE_COPY</code>
	 * @param transferSource
	 *            transfer source
	 * @param newContainer
	 *            the new container
	 * @param position
	 *            the position will be added
	 * @return command
	 */
	protected static Command getNewCommand( String commandType,
			Object transferSource, Object newContainer, int position )
	{
		boolean isCut = TYPE_CUT.equals( commandType );
		if ( newContainer instanceof ParameterGroupHandle
				&& ( transferSource instanceof ParameterGroupHandle || DEUtil.isParameterGroup( transferSource ) ) )
		{
			return pasteParameterGroup( commandType,
					transferSource,
					(ParameterGroupHandle) newContainer );
		}
		else if ( transferSource instanceof DesignElementHandle )
		{
			return new PasteCommand( (DesignElementHandle) transferSource,
					newContainer,
					position,