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exchange rate calculated on send textfield change

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This commit is contained in:
ryleedavis 2022-12-28 16:41:34 -07:00
parent ed486f7c16
commit 6d1f0dec8a
1 changed files with 57 additions and 45 deletions

102
lib/pages/exchange_view/exchange_form.dart
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@ -69,17 +69,21 @@ class _ExchangeFormState extends ConsumerState<ExchangeForm> {
bool _swapLock = false;
void sendFieldOnChanged(String value) async {
final newFromAmount = Decimal.tryParse(value);
if (_sendFocusNode.hasFocus) {
final newFromAmount = Decimal.tryParse(value);
ref.read(exchangeFormStateProvider).fromAmount =
newFromAmount ?? Decimal.zero;
await ref
.read(exchangeFormStateProvider)
.setFromAmountAndCalculateToAmount(
newFromAmount ?? Decimal.zero, true);
if (newFromAmount == null) {
_receiveController.text =
ref.read(prefsChangeNotifierProvider).exchangeRateType ==
ExchangeRateType.estimated
? "-"
: "";
if (newFromAmount == null) {
_receiveController.text =
ref.read(prefsChangeNotifierProvider).exchangeRateType ==
ExchangeRateType.estimated
? "-"
: "";
}
}
}
@ -1117,38 +1121,43 @@ class _ExchangeFormState extends ConsumerState<ExchangeForm> {
: ref.read(exchangeFormStateProvider).toAmountString;
}
_sendFocusNode.addListener(() async {
if (!_sendFocusNode.hasFocus) {
final newFromAmount = Decimal.tryParse(_sendController.text);
await ref
.read(exchangeFormStateProvider)
.setFromAmountAndCalculateToAmount(
newFromAmount ?? Decimal.zero, true);
if (newFromAmount == null) {
_receiveController.text =
ref.read(prefsChangeNotifierProvider).exchangeRateType ==
ExchangeRateType.estimated
? "-"
: "";
}
}
});
_receiveFocusNode.addListener(() async {
if (!_receiveFocusNode.hasFocus) {
final newToAmount = Decimal.tryParse(_receiveController.text);
if (ref.read(prefsChangeNotifierProvider).exchangeRateType !=
ExchangeRateType.estimated) {
await ref
.read(exchangeFormStateProvider)
.setToAmountAndCalculateFromAmount(
newToAmount ?? Decimal.zero, true);
}
if (newToAmount == null) {
_sendController.text = "";
}
}
});
// _sendFocusNode.addListener(() async {
// if (!_sendFocusNode.hasFocus) {
// final newFromAmount = Decimal.tryParse(_sendController.text);
// await ref
// .read(exchangeFormStateProvider)
// .setFromAmountAndCalculateToAmount(
// newFromAmount ?? Decimal.zero, true);
//
// debugPrint("SendFocusNode has fired");
//
// if (newFromAmount == null) {
// _receiveController.text =
// ref.read(prefsChangeNotifierProvider).exchangeRateType ==
// ExchangeRateType.estimated
// ? "-"
// : "";
// }
// }
// });
//
// _receiveFocusNode.addListener(() async {
// if (!_receiveFocusNode.hasFocus) {
// final newToAmount = Decimal.tryParse(_receiveController.text);
// if (ref.read(prefsChangeNotifierProvider).exchangeRateType !=
// ExchangeRateType.estimated) {
// await ref
// .read(exchangeFormStateProvider)
// .setToAmountAndCalculateFromAmount(
// newToAmount ?? Decimal.zero, true);
//
// debugPrint("ReceiveFocusNode has fired");
// }
// if (newToAmount == null) {
// _sendController.text = "";
// }
// }
// });
super.initState();
}
@ -1164,6 +1173,7 @@ class _ExchangeFormState extends ConsumerState<ExchangeForm> {
Widget build(BuildContext context) {
debugPrint("BUILD: $runtimeType");
// provider for simpleswap; not called rn
ref.listen<String>(currentExchangeNameStateProvider, (previous, next) {
ref.read(exchangeFormStateProvider).exchange = ref.read(exchangeProvider);
});
@ -1357,13 +1367,15 @@ class _ExchangeFormState extends ConsumerState<ExchangeForm> {
onChanged: onRateTypeChanged,
),
),
if (ref.read(exchangeFormStateProvider).fromAmount != null &&
ref.read(exchangeFormStateProvider).fromAmount != Decimal.zero)
// these reads should be watch
if (ref.watch(exchangeFormStateProvider).fromAmount != null &&
ref.watch(exchangeFormStateProvider).fromAmount != Decimal.zero)
SizedBox(
height: isDesktop ? 20 : 12,
),
if (ref.read(exchangeFormStateProvider).fromAmount != null &&
ref.read(exchangeFormStateProvider).fromAmount != Decimal.zero)
// these reads should be watch
if (ref.watch(exchangeFormStateProvider).fromAmount != null &&
ref.watch(exchangeFormStateProvider).fromAmount != Decimal.zero)
ExchangeProviderOptions(
from: ref.watch(exchangeFormStateProvider).fromTicker,
to: ref.watch(exchangeFormStateProvider).toTicker,