pikapika/lib/basic/config/ReaderSliderPosition.dart

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2021-12-09 00:08:01 +00:00
import 'package:flutter/material.dart';
import 'package:pikapika/basic/Method.dart';
import '../Common.dart';
enum ReaderSliderPosition { BOTTOM, RIGHT, LEFT }
const _positionNames = {
ReaderSliderPosition.BOTTOM: '下方',
ReaderSliderPosition.RIGHT: '右侧',
ReaderSliderPosition.LEFT: '左侧',
};
const _propertyName = "readerSliderPosition";
late ReaderSliderPosition _readerSliderPosition;
Future initReaderSliderPosition() async {
_readerSliderPosition = _readerSliderPositionFromString(
await method.loadProperty(_propertyName, ""),
);
}
ReaderSliderPosition _readerSliderPositionFromString(String str) {
for (var value in ReaderSliderPosition.values) {
if (str == value.toString()) return value;
}
return ReaderSliderPosition.BOTTOM;
}
ReaderSliderPosition currentReaderSliderPosition() => _readerSliderPosition;
String currentReaderSliderPositionName() =>
_positionNames[_readerSliderPosition] ?? "";
Future<void> chooseReaderSliderPosition(BuildContext context) async {
Map<String, ReaderSliderPosition> map = {};
_positionNames.forEach((key, value) {
map[value] = key;
});
ReaderSliderPosition? result =
await chooseMapDialog<ReaderSliderPosition>(context, map, "选择操控方式");
if (result != null) {
await method.saveProperty(_propertyName, result.toString());
_readerSliderPosition = result;
}
}
Widget readerSliderPositionSetting() {
return StatefulBuilder(
builder: (BuildContext context, void Function(void Function()) setState) {
return ListTile(
title: Text("滚动条的位置"),
subtitle: Text(currentReaderSliderPositionName()),
onTap: () async {
await chooseReaderSliderPosition(context);
setState(() {});
},
);
},
);
}