73 lines
2.4 KiB
Dart
73 lines
2.4 KiB
Dart
import 'package:flutter/material.dart';
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int hourSelection = 1;
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FixedExtentScrollController scrollController = FixedExtentScrollController();
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Future<void> showDurationSelector(BuildContext context, {required Function(Duration) onChange, int? selectedHour}) async {
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hourSelection = selectedHour ?? 1;
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scrollController = FixedExtentScrollController(initialItem: hourSelection-1);
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return showDialog<void>(
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context: context,
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barrierDismissible: false, // user must tap button!
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builder: (BuildContext context) {
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return StatefulBuilder(
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builder:(context, setState) {
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setState((){});
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return AlertDialog(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(30)),
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backgroundColor: Colors.white10,
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title: Align(alignment: Alignment.center,
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child: const Text('Select Time Range')),
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content: Row(
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mainAxisSize: MainAxisSize.max,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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height: 150,
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width: 50,
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child: ListWheelScrollView(
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// useMagnifier: true,
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controller: scrollController,
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diameterRatio: 1,
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itemExtent: 30,
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children: printHours(),
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onSelectedItemChanged: (index) {
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hourSelection = index + 1;
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setState(() {});
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//scrollController.jumpTo(index.toDouble());
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print("Changed to $index");
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},
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),
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),
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Text(' Hours')
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],
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),
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actions: <Widget>[
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TextButton(
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child: const Text('Select'),
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onPressed: () {
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onChange(Duration(hours: hourSelection));
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Navigator.of(context).pop();
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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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List<Widget> printHours(){
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List<Widget> _hours = [];
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for(int i = 0; i < 5000; i++){
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_hours.add(Container(decoration: BoxDecoration(borderRadius: BorderRadius.circular(5), color:(hourSelection-1==i) ? Colors.redAccent :null ),alignment:Alignment.center,width:50,child: Text((i+1).toString())));
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}
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return _hours;
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} |