diff options
Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/payment/PayTemplateOrderComposable.kt')
| -rw-r--r-- | wallet/src/main/java/net/taler/wallet/payment/PayTemplateOrderComposable.kt | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/payment/PayTemplateOrderComposable.kt b/wallet/src/main/java/net/taler/wallet/payment/PayTemplateOrderComposable.kt new file mode 100644 index 0000000..d6131c7 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/payment/PayTemplateOrderComposable.kt @@ -0,0 +1,177 @@ +/* + * This file is part of GNU Taler + * (C) 2023 Taler Systems S.A. + * + * GNU Taler is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 3, or (at your option) any later version. + * + * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +package net.taler.wallet.payment + +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.Row +import androidx.compose.foundation.layout.fillMaxWidth +import androidx.compose.foundation.layout.padding +import androidx.compose.material3.Button +import androidx.compose.material3.OutlinedTextField +import androidx.compose.material3.Text +import androidx.compose.runtime.Composable +import androidx.compose.runtime.getValue +import androidx.compose.runtime.mutableStateOf +import androidx.compose.runtime.remember +import androidx.compose.runtime.setValue +import androidx.compose.ui.Alignment.Companion.End +import androidx.compose.ui.Modifier +import androidx.compose.ui.res.stringResource +import androidx.compose.ui.tooling.preview.Preview +import androidx.compose.ui.unit.dp +import net.taler.common.Amount +import net.taler.wallet.AmountResult +import net.taler.wallet.R +import net.taler.wallet.compose.AmountInputField +import net.taler.wallet.compose.TalerSurface +import net.taler.wallet.deposit.CurrencyDropdown + +@Composable +fun PayTemplateOrderComposable( + currencies: List<String>, // assumed to have size > 0 + defaultSummary: String? = null, + amountStatus: AmountFieldStatus, + onCreateAmount: (String, String) -> AmountResult, + onError: (msgRes: Int) -> Unit, + onSubmit: (summary: String?, amount: Amount?) -> Unit, +) { + val amountDefault = amountStatus as? AmountFieldStatus.Default + + var summary by remember { mutableStateOf(defaultSummary) } + var currency by remember { mutableStateOf(amountDefault?.currency ?: currencies[0]) } + var amount by remember { mutableStateOf(amountDefault?.amountStr ?: "0") } + + Column(horizontalAlignment = End) { + if (defaultSummary != null) OutlinedTextField( + modifier = Modifier + .padding(horizontal = 16.dp) + .fillMaxWidth(), + value = summary ?: "", + isError = summary.isNullOrBlank(), + onValueChange = { summary = it }, + singleLine = true, + label = { Text(stringResource(R.string.withdraw_manual_ready_subject)) }, + ) + if (amountDefault != null) AmountField( + modifier = Modifier + .padding(16.dp) + .fillMaxWidth(), + amount = amount, + currency = currency, + currencies = currencies, + fixedCurrency = (amountStatus as? AmountFieldStatus.Default)?.currency != null, + onAmountChosen = { a, c -> + amount = a + currency = c + }, + ) + Button( + modifier = Modifier.padding(16.dp), + enabled = defaultSummary == null || !summary.isNullOrBlank(), + onClick = { + when (val res = onCreateAmount(amount, currency)) { + is AmountResult.InsufficientBalance -> onError(R.string.payment_balance_insufficient) + is AmountResult.InvalidAmount -> onError(R.string.receive_amount_invalid) + is AmountResult.Success -> onSubmit(summary, res.amount) + } + }, + ) { + Text(stringResource(R.string.payment_create_order)) + } + } +} + +@Composable +private fun AmountField( + modifier: Modifier = Modifier, + currencies: List<String>, + fixedCurrency: Boolean, + amount: String, + currency: String, + onAmountChosen: (amount: String, currency: String) -> Unit, +) { + Row( + modifier = modifier, + ) { + AmountInputField( + modifier = Modifier + .padding(end = 16.dp) + .weight(1f), + value = amount, + onValueChange = { onAmountChosen(it, currency) }, + label = { Text(stringResource(R.string.send_amount)) } + ) + CurrencyDropdown( + modifier = Modifier.weight(1f), + initialCurrency = currency, + currencies = currencies, + onCurrencyChanged = { onAmountChosen(amount, it) }, + readOnly = fixedCurrency, + ) + } +} + +@Preview +@Composable +fun PayTemplateDefaultPreview() { + TalerSurface { + PayTemplateOrderComposable( + defaultSummary = "Donation", + amountStatus = AmountFieldStatus.Default("20", "ARS"), + currencies = listOf("KUDOS", "ARS"), + onCreateAmount = { text, currency -> + AmountResult.Success(amount = Amount.fromString(currency, text)) + }, + onSubmit = { _, _ -> }, + onError = { }, + ) + } +} + +@Preview +@Composable +fun PayTemplateFixedAmountPreview() { + TalerSurface { + PayTemplateOrderComposable( + defaultSummary = "default summary", + amountStatus = AmountFieldStatus.FixedAmount, + currencies = listOf("KUDOS", "ARS"), + onCreateAmount = { text, currency -> + AmountResult.Success(amount = Amount.fromString(currency, text)) + }, + onSubmit = { _, _ -> }, + onError = { }, + ) + } +} + +@Preview +@Composable +fun PayTemplateBlankSubjectPreview() { + TalerSurface { + PayTemplateOrderComposable( + defaultSummary = "", + amountStatus = AmountFieldStatus.FixedAmount, + currencies = listOf("KUDOS", "ARS"), + onCreateAmount = { text, currency -> + AmountResult.Success(amount = Amount.fromString(currency, text)) + }, + onSubmit = { _, _ -> }, + onError = { }, + ) + } +} |