if (style == null) { // style not found - create new style
IGaService gaService = Graphiti.getGaService();
style = gaService.createStyle(getStyleForPE(diagram), styleId);
// "overwrites" values from parent style
style.setForeground(gaService.manageColor(diagram,
TEXT_FOREGROUND));
style.setFont(gaService.manageFont(diagram, DEFAULT_FONT, 8,
false, true));
}