if (saveForm.getChannelWithDeletePressed() != null) {
saveForm.removeChannel(saveForm.getChannelWithDeletePressed());
return "add";
} else if (saveForm.getAddChannelButton() != null) {
saveForm.getChannels().add(new Channel());
return "add";
} else {
Unit units = saveForm.getUnit();
units.addChannels(saveForm.getChannels());
if (code != null && !code.isEmpty()) {