buttonLayout.setWidth(100, Sizeable.UNITS_PERCENTAGE);
for (final ProcessStateAction a : actionList) {
final ProcessToolActionButton actionButton = makeButton(a);
actionButton.setEnabled(isOwner);
actionButton.loadData(task);
actionButton.setActionCallback(actionCallback);
if (actionButton instanceof ProcessToolVaadinRenderable) {
buttonLayout.addComponent(((ProcessToolVaadinRenderable) actionButton).render());
}
}