btnGridlines = createToggleButton( cmp, Messages.getString( "AxisZSheetImpl.Label.Gridlines" ) );
popup = new AxisGridLinesSheet( Messages.getString( "AxisZSheetImpl.Label.Gridlines" ), getContext( ), getAxisForProcessing( ), AngleType.Z ); btnGridlines = createToggleButton( cmp, popup.getTitle( ), popup );
	private void createButtonGroup( Composite parent )	{		Composite cmp = new Composite( parent, SWT.NONE );		{			cmp.setLayout( new GridLayout( 3, false ) );			GridData gridData = new GridData( GridData.FILL_HORIZONTAL );			gridData.grabExcessVerticalSpace = true;			gridData.verticalAlignment = SWT.END;			cmp.setLayoutData( gridData );		}		btnAxisTitle = createToggleButton( cmp,				Messages.getString( "AxisZSheetImpl.Label.TextFormat" ) );//$NON-NLS-1$		btnAxisTitle.addSelectionListener( this );		btnGridlines = createToggleButton( cmp,				Messages.getString( "AxisZSheetImpl.Label.Gridlines" ) );//$NON-NLS-1$		btnGridlines.addSelectionListener( this );		btnInteractivity = createToggleButton( cmp,				Messages.getString( "SeriesYSheetImpl.Label.Interactivity" ) ); //$NON-NLS-1$		btnInteractivity.addSelectionListener( this );		btnInteractivity.setEnabled( getChart( ).getInteractivity( ).isEnable( ) );	}