+
+ currencyPositionObserver = position -> {
+ updateCurrencyPositionAndPadding(position, Data.currencyGap.getValue());
+ };
+
+ currencyGapObserver = hasGap -> {
+ updateCurrencyPositionAndPadding(Data.currencySymbolPosition.getValue(), hasGap);
+ };
+
+ localeObserver = locale -> {
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+ tvAmount.setKeyListener(DigitsKeyListener.getInstance(locale, true, true));
+ };
+
+ currencyObserver = this::setCurrency;
+
+ showCurrencyObserver = showCurrency -> {
+ if (item.getType() == ItemType.transactionRow) {
+ if (showCurrency) {
+ tvCurrency.setVisibility(View.VISIBLE);
+ }
+ else {
+ tvCurrency.setVisibility(View.GONE);
+ item.setCurrency(null);
+ }
+ }
+ };
+ }
+ private void updateCurrencyPositionAndPadding(Currency.Position position, boolean hasGap) {
+ ConstraintLayout.LayoutParams amountLP =
+ (ConstraintLayout.LayoutParams) tvAmount.getLayoutParams();
+ ConstraintLayout.LayoutParams currencyLP =
+ (ConstraintLayout.LayoutParams) tvCurrency.getLayoutParams();
+
+ if (position == Currency.Position.before) {
+ currencyLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
+ currencyLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
+
+ amountLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
+ amountLP.endToStart = ConstraintLayout.LayoutParams.UNSET;
+ amountLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
+ amountLP.startToEnd = tvCurrency.getId();
+
+ tvCurrency.setGravity(Gravity.END);
+ }
+ else {
+ currencyLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
+ currencyLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
+
+ amountLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
+ amountLP.startToEnd = ConstraintLayout.LayoutParams.UNSET;
+ amountLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
+ amountLP.endToStart = tvCurrency.getId();
+
+ tvCurrency.setGravity(Gravity.START);
+ }
+
+ amountLP.resolveLayoutDirection(tvAmount.getLayoutDirection());
+ currencyLP.resolveLayoutDirection(tvCurrency.getLayoutDirection());
+
+ tvAmount.setLayoutParams(amountLP);
+ tvCurrency.setLayoutParams(currencyLP);
+
+ // distance between the amount and the currency symbol
+ int gapSize = DimensionUtils.sp2px(tvCurrency.getContext(), 5);
+
+ if (position == Currency.Position.before) {
+ tvCurrency.setPaddingRelative(0, 0, hasGap ? gapSize : 0, 0);
+ }
+ else {
+ tvCurrency.setPaddingRelative(hasGap ? gapSize : 0, 0, 0, 0);
+ }
+ }
+ private void setCurrencyString(String currency) {
+ if ((currency == null) || currency.isEmpty()) {
+ tvCurrency.setText(R.string.currency_symbol);
+ tvCurrency.setTextColor(0x7f000000 + (0x00ffffff & Colors.defaultTextColor));
+ }
+ else {
+ tvCurrency.setText(currency);
+ tvCurrency.setTextColor(Colors.defaultTextColor);
+ }
+ }
+ private void setCurrency(Currency currency) {
+ setCurrencyString((currency == null) ? null : currency.getName());