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
*/
	public static EditPartViewer getLayoutEditPartViewer( )
	{
		AbstractMultiPageLayoutEditor reportEditor = (AbstractMultiPageLayoutEditor) PlatformUI.getWorkbench( )
				.getActiveWorkbenchWindow( )
				.getActivePage( )
				.getActiveEditor( );
		if ( reportEditor == null
				|| !( reportEditor.getActiveEditor( ) instanceof GraphicalEditorWithFlyoutPalette ) )
		{
			return null;
		}
		return ( (GraphicalEditorWithFlyoutPalette) reportEditor.getActiveEditor( ) ).getGraphicalViewer( );
	}
	/**
	 * Creates a new grid layout without margins by default
	 * 
	 * @return the layout created
	 */
	public static GridLayout createGridLayoutWithoutMargin( )
	{
		GridLayout layout = new GridLayout( );
		layout.marginHeight = layout.marginWidth = 0;
		return layout;
	}
	/**
	 * Creates a new grid layout without margins with given the number of
	 * columns, and whether or not the columns should be forced to have the same
	 * width
	 *