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
{
	public static final String TYPE_CUT = "CUT"; 
	public static final String TYPE_COPY = "COPY"; 
	
	public static final int CONTAIN_NO = 0;
	
	public static final int CONTAIN_THIS = 1;
	
	public static final int CONTAIN_PARENT = 2;
	/**
	 * Moves elements. Like paste, but transfer data will be deleted.Includes
	 * transaction.
	 * 
	 * @param transferData
	 *            single or multiple transfer data, every data must be an
	 *            instance of <code>DesignElementHandle</code> or
	 *            <code>DesignElement</code>
	 * @param container
	 *            container, class type could be
	 *            <code>DesignElementHandle</code>,<code>SlotHandle</code>
	 *            or <code>ReportElementModel</code>
	 * @param position
	 *            the position will be added
	 * @return move result
	 */
	public static boolean moveHandles( Object transferData, Object container,