Bug 136256 Enhance the message builder
Please see the spec attached in 133995 for detail.
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/internal/ui/editors/LibraryProvider.java
.getParentFile( );
			}
		}
		return null;
	}
	private boolean isLibExist( Collection list, LibraryHandle handle )
	{
		for ( Iterator iter = list.iterator( ); iter.hasNext( ); )
		{
			LibraryHandle element = (LibraryHandle) iter.next( );
			if ( element.getFileName( ).equals( handle.getFileName( ) ) )
				return true;
		}
		return false;
	}
	private boolean isInCurrentFileFolder( final LibraryHandle handle )
	{
		return new File( handle.getFileName( ) ).getParentFile( )
				.equals( getInputForlder( ) );
	}
	public Image getDisplayIcon( LibraryHandle handle )
	{
		if ( !isInCurrentFileFolder( handle ) )
		{
			return ReportPlatformUIImages.getImage( IReportGraphicConstants.ICON_ELEMENT_LIBRARY_REFERENCED );
		}
		return null;
	}
}