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/*
* 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.compose
import androidx.compose.foundation.interaction.MutableInteractionSource
import androidx.compose.foundation.text.KeyboardActions
import androidx.compose.foundation.text.KeyboardOptions
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.LocalTextStyle
import androidx.compose.material3.OutlinedTextField
import androidx.compose.material3.Text
import androidx.compose.material3.TextFieldColors
import androidx.compose.material3.TextFieldDefaults
import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Shape
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.text.input.KeyboardType
import androidx.compose.ui.text.input.VisualTransformation
import net.taler.common.Amount
@OptIn(ExperimentalMaterial3Api::class)
@Composable
fun AmountInputField(
value: String,
onValueChange: (value: String) -> Unit,
modifier: Modifier = Modifier,
enabled: Boolean = true,
readOnly: Boolean = false,
textStyle: TextStyle = LocalTextStyle.current,
label: @Composable (() -> Unit)? = null,
leadingIcon: @Composable (() -> Unit)? = null,
trailingIcon: @Composable (() -> Unit)? = null,
supportingText: @Composable (() -> Unit)? = null,
isError: Boolean = false,
visualTransformation: VisualTransformation = VisualTransformation.None,
keyboardOptions: KeyboardOptions = KeyboardOptions.Default,
keyboardActions: KeyboardActions = KeyboardActions.Default,
interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
shape: Shape = TextFieldDefaults.outlinedShape,
colors: TextFieldColors = TextFieldDefaults.outlinedTextFieldColors()
) {
OutlinedTextField(
value = if (value == "0" || value.endsWith(".0")) value.trimEnd('0') else value,
onValueChange = { input ->
if (input.isNotBlank()) {
val filtered = input.filter { it.isDigit() || it == '.' }.let {
if (it == "" || it.endsWith(".")) "${it}0" else it
}
if (Amount.isValidAmountStr(filtered)) {
onValueChange(filtered)
}
} else onValueChange("0")
},
modifier = modifier,
enabled = enabled,
readOnly = readOnly,
textStyle = textStyle,
label = label,
placeholder = { Text("0") },
leadingIcon = leadingIcon,
trailingIcon = trailingIcon,
supportingText = supportingText,
isError = isError,
visualTransformation = visualTransformation,
keyboardOptions = keyboardOptions.copy(keyboardType = KeyboardType.Decimal),
keyboardActions = keyboardActions,
singleLine = true,
maxLines = 1,
interactionSource = interactionSource,
shape = shape,
colors = colors,
)
}
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