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
* Updates the page scroll increment for given composite.
	 * 
	 * @param scomp
	 */
	public static void updatePageIncrement( ScrolledComposite scomp )
	{
		ScrollBar vbar = scomp.getVerticalBar( );
		if ( vbar != null )
		{
			Rectangle clientArea = scomp.getClientArea( );
			int increment = clientArea.height - 5;
			vbar.setPageIncrement( increment );
		}
	}
	private static boolean isWrapControl( Control c )
	{
		if ( c instanceof Composite )
		{
			return ( (Composite) c ).getLayout( ) instanceof ILayoutExtension;
		}
		return ( c.getStyle( ) & SWT.WRAP ) != 0;
	}
	/**
	 * Returns table editpart.
	 * 
	 * @param editParts
	 *            a list of editpart
	 * @return the current selected table editpart, null if no table editpart,
	 *         more than one table, or other non-table editpart. Cell editpart
	 *         is also a type of table editpart.