87 lines
3.2 KiB
Dart
87 lines
3.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:signature/signature.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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showSignaturePopup(BuildContext context, TaskInfo taskInfo, Function(String?) 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 WillPopScope(
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onWillPop: () async {
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Navigator.of(context).pop();
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onFinished(null);
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return true;
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},// False will prevent and true will allow to dismiss
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child: 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(
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builder: (BuildContext context, StateSetter setState) {
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final SignatureController controller = SignatureController();
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var popupHeight = MediaQuery.of(context).size.height * 0.85;
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var popupWidth = MediaQuery.of(context).size.width * 0.85;
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String convertPoints(List<Point> points) {
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if (points.isNotEmpty) {
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String result = "";
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for (var point in points) {
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if (point.type != PointType.tap) {
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result += "${point.offset.dx.toInt()},${point.offset.dy.toInt()};";
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} else {
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result += "A";
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}
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}
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return result.replaceAll("AA", "A");
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}
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return "";
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}
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return SizedBox(
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key: GlobalKey(),
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height: popupHeight,
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width: popupWidth,
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child: 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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child: Padding(
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padding: const EdgeInsets.all(20.0),
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child: Column(
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children: [
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Text(taskInfo.task.topic),
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const SizedBox(height: 20),
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Expanded(
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child: Signature(
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controller: controller,
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width: 500,
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height: 200,
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backgroundColor: Colors.lightBlueAccent,
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),
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),
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getDefaultButton('Übernehmen', buttonHeight: 50, () => {
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Navigator.of(context).pop(),
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onFinished(convertPoints(controller.points))
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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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