67 lines
1.7 KiB
Dart
67 lines
1.7 KiB
Dart
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/// 阅读器的方向
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import 'package:flutter/material.dart';
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import 'package:pikapi/basic/Method.dart';
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enum ReaderDirection {
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TOP_TO_BOTTOM,
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LEFT_TO_RIGHT,
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RIGHT_TO_LEFT,
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}
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late ReaderDirection gReaderDirection;
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const _propertyName = "readerDirection";
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Future<void> initReaderDirection() async {
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gReaderDirection = _pagerDirectionFromString(await method.loadProperty(
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_propertyName, ReaderDirection.TOP_TO_BOTTOM.toString()));
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}
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var _types = {
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'从上到下': ReaderDirection.TOP_TO_BOTTOM,
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'从左到右': ReaderDirection.LEFT_TO_RIGHT,
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'从右到左': ReaderDirection.RIGHT_TO_LEFT,
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};
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ReaderDirection _pagerDirectionFromString(String pagerDirectionString) {
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for (var value in ReaderDirection.values) {
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if (pagerDirectionString == value.toString()) {
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return value;
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}
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}
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return ReaderDirection.TOP_TO_BOTTOM;
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}
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String currentReaderDirectionName() {
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for (var e in _types.entries) {
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if (e.value == gReaderDirection) {
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return e.key;
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}
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}
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return '';
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}
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Future<void> choosePagerDirection(BuildContext buildContext) async {
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ReaderDirection? choose = await showDialog<ReaderDirection>(
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context: buildContext,
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builder: (BuildContext context) {
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return SimpleDialog(
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title: Text("选择翻页方向"),
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children: _types.entries
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.map((e) => SimpleDialogOption(
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child: Text(e.key),
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onPressed: () {
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Navigator.of(context).pop(e.value);
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},
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))
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.toList(),
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);
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},
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);
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if (choose != null) {
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await method.saveProperty(_propertyName, choose.toString());
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gReaderDirection = choose;
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}
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}
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