series.setLeaderLineStyle( LeaderLineStyle.get( LiteralHelper.leaderLineStyleSet.getNameByDisplayName( cmbLeaderLine.getText( ) ) ) );
series.setLeaderLineStyle( LeaderLineStyle.getByName( LiteralHelper.leaderLineStyleSet.getNameByDisplayName( cmbLeaderLine.getText( ) ) ) );
	public void widgetSelected( SelectionEvent e )	{		if ( e.getSource( ).equals( cmbLeaderLine ) )		{			series.setLeaderLineStyle( LeaderLineStyle.get( LiteralHelper.leaderLineStyleSet.getNameByDisplayName( cmbLeaderLine.getText( ) ) ) );		}		else if ( e.widget.equals( btnBuilder ) )		{			try			{				String sExpr = serviceprovider.invoke( IUIServiceProvider.COMMAND_CHART_EXPRESSION,						txtExplode.getText( ),						oContext,						Messages.getString( "PieBaseSeriesComponent.Text.SpecifyExplodeSlice" ) //$NON-NLS-1$						);				txtExplode.setText( sExpr );				txtExplode.setToolTipText( sExpr );				series.setExplosionExpression( sExpr );			}			catch ( ChartException e1 )			{				WizardBase.displayException( e1 );			}		}	}