+ final boolean newValue = !Objects.requireNonNull(showCurrency.getValue());
+
+ // remove currency from all items, or reset currency to the default
+ // no need to clone the list, because the removal of the currency won't lead to
+ // visual changes -- the currency fields will be hidden or reset to default anyway
+ // still, there may be changes in the submittable state
+ final List<Item> list = Objects.requireNonNull(this.items.getValue());
+ for (int i = 1; i < list.size(); i++) {
+ ((TransactionAccount) list.get(i)).setCurrency(newValue ? Data.getProfile()
+ .getDefaultCommodity()
+ : null);
+ }
+ checkTransactionSubmittable(null);
+ showCurrency.setValue(newValue);