/**
* Bygger panel med knapper for artikler
* @return panel
*/
private JPanel buildArticleButtons() {
ButtonStackBuilder buttonBuilder = new ButtonStackBuilder();
buttonBuilder.addGridded(buttonAddArticle);
buttonBuilder.addRelatedGap();
buttonBuilder.addGridded(buttonEditArticle);
buttonBuilder.addRelatedGap();
buttonBuilder.addGridded(buttonEditAll);
buttonBuilder.addRelatedGap();
buttonBuilder.addGridded(buttonRemoveArticle);
buttonBuilder.addRelatedGap();
buttonBuilder.addGridded(buttonExternalOrder);
buttonBuilder.addRelatedGap();
buttonBuilder.addGridded(buttonShowOrdln);
if(importOrderLinesButtton){
buttonBuilder.addRelatedGap();
buttonBuilder.addGridded(buttonImportOrderLines);
}
return buttonBuilder.getPanel();
}