76 lines
2.5 KiB
Dart
76 lines
2.5 KiB
Dart
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import 'package:flutter/material.dart';
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import 'package:pikapi/basic/Entities.dart';
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class ContinueReadButton extends StatefulWidget {
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final Future<ViewLog?> viewFuture;
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final Function(int? epOrder, int? pictureRank) onChoose;
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const ContinueReadButton({
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Key? key,
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required this.viewFuture,
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required this.onChoose,
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}) : super(key: key);
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@override
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State<StatefulWidget> createState() => _ContinueReadButtonState();
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}
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class _ContinueReadButtonState extends State<ContinueReadButton> {
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@override
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Widget build(BuildContext context) {
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return LayoutBuilder(
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builder: (BuildContext context, BoxConstraints constraints) {
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var width = constraints.maxWidth;
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return FutureBuilder(
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future: widget.viewFuture,
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builder: (BuildContext context, AsyncSnapshot<ViewLog?> snapshot) {
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late void Function() onPressed;
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late String text;
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if (snapshot.connectionState != ConnectionState.done) {
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onPressed = () {};
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text = '加载中';
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}
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if (snapshot.data != null && snapshot.data!.lastViewEpOrder > 0) {
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onPressed = () => widget.onChoose(
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snapshot.data?.lastViewEpOrder,
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snapshot.data?.lastViewPictureRank,
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);
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text =
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'继续阅读 ${snapshot.data?.lastViewEpTitle} P. ${snapshot.data?.lastViewPictureRank}';
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} else {
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onPressed = () => widget.onChoose(null, null);
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text = '开始阅读';
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}
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return Container(
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padding: EdgeInsets.only(left: 10, right: 10),
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margin: EdgeInsets.only(bottom: 10),
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width: width,
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child: MaterialButton(
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onPressed: onPressed,
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child: Row(
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children: [
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Expanded(
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child: Container(
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color: Theme.of(context)
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.textTheme
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.bodyText1!
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.color!
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.withOpacity(.05),
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padding: EdgeInsets.all(10),
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child: Text(
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text,
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textAlign: TextAlign.center,
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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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},
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);
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}
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}
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