140 lines
4.5 KiB
Dart
140 lines
4.5 KiB
Dart
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import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_redux/flutter_redux.dart';
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import 'package:satu/core/models/settings/printer_setting.dart';
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import 'package:satu/core/redux/store.dart';
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import 'package:satu/core/services/dialog_service.dart';
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import 'package:satu/core/services/navigator_service.dart';
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import 'package:satu/core/utils/locator.dart';
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import 'package:satu/core/utils/pos_printer.dart';
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import 'package:satu/routes/route_names.dart';
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import 'package:satu/shared/app_colors.dart';
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import 'package:satu/shared/ui_helpers.dart';
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import 'package:satu/widgets/bar/products_app_bar.dart';
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import 'package:satu/widgets/fields/line_tile.dart';
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class PrinterView extends StatefulWidget {
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const PrinterView({Key? key}) : super(key: key);
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@override
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_PrinterViewState createState() => _PrinterViewState();
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}
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class _PrinterViewState extends State<PrinterView> {
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final NavigatorService _navigatorService = locator<NavigatorService>();
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final DialogService _dialogService = locator<DialogService>();
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PrinterBluetoothManager printerManager = PrinterBluetoothManager();
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bool printerLocked = false;
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@override
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void initState() {
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super.initState();
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}
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void print() async {
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setState(() {
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printerLocked = true;
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});
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try {
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PrinterSetting printerSetting = Redux.store!.state.settingState!.printer!;
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printerManager.selectPrinter(
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PrinterBluetooth(
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printerDeviceToBluetoothDevice(printerSetting.device!),
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),
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);
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final int chunkSizeBytes = getChunkSize();
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final int queueSleepTimeMs = getQueueSleep();
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List<int> data = List.empty();
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if (PrinterConst.encodingBigEncoding == printerSetting.encoding) {
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data = await getTestReceiptImg(
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printerSetting.paperSize!,
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);
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} else {
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data = await getTestReceipt(
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printerSetting.encoding!,
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printerSetting.paperSize!,
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);
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}
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final PosPrintResult printResult = await printerManager.writeBytes(
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data,
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chunkSizeBytes: chunkSizeBytes,
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queueSleepTimeMs: queueSleepTimeMs,
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);
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if (printResult.value != 1) {
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_dialogService.showDialog(description: printResult.msg);
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}
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} finally {
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await Future.delayed(const Duration(seconds: 7));
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setState(() {
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printerLocked = false;
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: ProductsAppBar(
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title: 'Принтер',
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actions: [
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StoreConnector<AppState, PrinterSetting>(
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converter: (store) => store.state.settingState!.printer!,
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builder: (context, snapshot) {
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final bool success =
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snapshot.device != null && printerLocked == false;
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return IconButton(
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onPressed: success ? print : null,
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icon: Icon(
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Icons.print,
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color: success ? textColor : placeholderColor,
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),
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);
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},
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),
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],
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),
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body: SingleChildScrollView(
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child: StoreConnector<AppState, PrinterSetting>(
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converter: (store) => store.state.settingState!.printer!,
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builder: (context, printer) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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verticalSpaceSmall,
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LineTile(
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printer.device?.name ?? 'Устройство не выбрано',
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onTap: () {
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_navigatorService
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.push(settingPrinterBluetoothSelectViewRoute);
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},
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labelText: 'Устройство печати',
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),
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verticalSpaceSmall,
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LineTile(
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printer.paperSize ?? 'Размер не указан',
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onTap: () {
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_navigatorService.push(settingPrinterPaperSizeViewRoute);
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},
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labelText: 'Размер чека',
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),
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verticalSpaceSmall,
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LineTile(
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printer.encoding ?? 'Кодировка не указана',
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onTap: () {
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_navigatorService.push(settingPrinterEncodingViewRoute);
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},
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labelText: 'Кодировка печати',
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),
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],
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);
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},
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),
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),
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);
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}
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}
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