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
{
				currentEditPart = (ListEditPart) obj;
			}
			else if ( obj instanceof ListBandEditPart )
			{
				currentEditPart = (ListEditPart) ( (ListBandEditPart) obj ).getParent( );
			}
			if ( part == null )
			{
				part = currentEditPart;
			}
			
			if ( currentEditPart == null
					|| currentEditPart != null
					&& part != currentEditPart )
			{
				return null;
			}
		}
		return part;
	}
	/**
	 * Tests if the specified element is on the given tree viewer
	 * 
	 * @param treeViewer
	 *            the tree viewer
	 * @param element
	 *            the element
	 * 
	 * @return true if the element is on the tree, or false else.