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Possibilidade de manter o valor zerado no campo, mais comum de ser vi… #87

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Possibilidade de manter o valor zerado no campo, mais comum de ser vi… #87

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14 changes: 10 additions & 4 deletions lib/src/formatters/centavos_input_formatter.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -6,12 +6,16 @@ import 'adiciona_separador.dart';
///
/// `casasDecimais` indica a quantidade de casas usadas.
class CentavosInputFormatter extends TextInputFormatter {
CentavosInputFormatter({this.moeda = false, this.casasDecimais = 2})
: assert(casasDecimais == 2 || casasDecimais == 3,
CentavosInputFormatter({
this.moeda = false,
this.casasDecimais = 2,
this.mostrarZerado = false,
}) : assert(casasDecimais == 2 || casasDecimais == 3,
'Quantidade de casas decimais deve ser 2 ou 3. Informado: $casasDecimais');

final bool moeda;
final int casasDecimais;
final bool mostrarZerado;

@override
TextEditingValue formatEditUpdate(
Expand Down Expand Up @@ -42,7 +46,7 @@ class CentavosInputFormatter extends TextInputFormatter {
}

// apaga o campo quando os valores foram zero.
if (numero == 0 && int.tryParse(centsValue) == 0) {
if (!mostrarZerado && numero == 0 && int.tryParse(centsValue) == 0) {
return const TextEditingValue(
text: "",
selection: TextSelection.collapsed(offset: 0),
Expand All @@ -63,8 +67,10 @@ class CentavosInputFormatter extends TextInputFormatter {
);
}

final minCentsValor = mostrarZerado ? 0 : 1;

// formata o número com 0, + centavos
if (numero > 0 && numero <= 9) {
if (numero >= minCentsValor && numero <= 9) {
if (casasDecimais == 3) {
centsValue = "00$numero";
} else {
Expand Down