99 lines
4.0 KiB
Dart
99 lines
4.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';
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import 'package:stadtbote/model/task_info.dart';
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import 'package:stadtbote/tools/util.dart';
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showScanBarcodesPopup(BuildContext context, TaskInfo taskInfo, Function(List<String> barcodes) onFinished) async {
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await showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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contentPadding: EdgeInsets.zero,
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shadowColor: Colors.transparent,
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backgroundColor: Colors.white,
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content: StatefulBuilder(builder: (BuildContext context, StateSetter setState) {
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List<String> scannedBarcodes = [];
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final ValueNotifier<List<Widget>> scannedBarcodeWidgetsNotifier = ValueNotifier<List<Widget>>([]);
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List<Widget> createBarcodeWidgets() {
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List<Widget> barcodeWidgets = [];
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for (var barcode in scannedBarcodes) {
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barcodeWidgets.add(SizedBox(
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height: 20,
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child: Center(child: Text(barcode)),
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));
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}
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return barcodeWidgets;
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}
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void scanBarcode() async {
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String barcodeScanResult;
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try {
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barcodeScanResult = await FlutterBarcodeScanner.scanBarcode('#ff6666', 'Abbrechen', true, ScanMode.QR);
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scannedBarcodes.add(barcodeScanResult);
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var barcodeWidgets = createBarcodeWidgets();
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scannedBarcodeWidgetsNotifier.value = barcodeWidgets;
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} on PlatformException {
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barcodeScanResult = 'Failed to get platform version.';
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}
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}
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return SizedBox(
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key: GlobalKey(),
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height: 345,
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width: MediaQuery.of(context).size.width * 0.8,
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child: Container(
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height: 100,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(10),
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color: Colors.white,
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border: Border.all(
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color: Colors.grey,
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width: 0.5,
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),
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),
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child: Padding(
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padding: const EdgeInsets.all(35.0),
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child: Column(
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children: [
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const Text('Gescannte Barcodes'),
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const SizedBox(height: 20),
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Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(10),
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color: Colors.white,
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border: Border.all(
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color: Colors.grey,
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width: 0.5,
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),
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),
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height: 100,
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child: ValueListenableBuilder<List<Widget>>(
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valueListenable: scannedBarcodeWidgetsNotifier,
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builder: (context, value, child) {
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return ListView(padding: const EdgeInsets.all(8), children: value);
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},
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),
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),
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const SizedBox(height: 20),
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getDefaultButton('Hinzufügen', buttonHeight: 50, () => {scanBarcode()}),
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const SizedBox(height: 10),
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getDefaultButton('Übernehmen', buttonHeight: 50, () => {
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Navigator.of(context).pop(),
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onFinished(scannedBarcodes)})
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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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