import 'dart:math'; import 'package:event/event.dart'; import 'package:flutter/material.dart'; import 'package:pikapika/basic/Common.dart'; import 'package:pikapika/basic/Entities.dart'; import 'package:pikapika/basic/config/ShadowCategories.dart'; import 'package:pikapika/basic/config/ListLayout.dart'; import 'ComicInfoCard.dart'; import 'Images.dart'; import 'LinkToComicInfo.dart'; // 漫画列表页 class ComicList extends StatefulWidget { final Widget? appendWidget; final List comicList; final ScrollController? controller; const ComicList(this.comicList, {this.appendWidget, this.controller}); @override State createState() => _ComicListState(); } class _ComicListState extends State { @override void initState() { listLayoutEvent.subscribe(_onLayoutChange); super.initState(); } @override void dispose() { listLayoutEvent.unsubscribe(_onLayoutChange); super.dispose(); } void _onLayoutChange(EventArgs? args) { setState(() {}); } @override Widget build(BuildContext context) { switch (currentLayout) { case ListLayout.INFO_CARD: return _buildInfoCardList(); case ListLayout.ONLY_IMAGE: return _buildGridImageWarp(); case ListLayout.COVER_AND_TITLE: return _buildGridImageTitleWarp(); default: return Container(); } } Widget _buildInfoCardList() { return ListView( controller: widget.controller, physics: const AlwaysScrollableScrollPhysics(), children: [ ...widget.comicList.map((e) { var shadow = e.categories .map((e) => shadowCategories.contains(e)) .reduce((value, element) => value || element); if (shadow) { return InkWell( onTap: () {}, child: Container( padding: EdgeInsets.all(10), decoration: BoxDecoration( border: Border( bottom: BorderSide( color: Theme.of(context).dividerColor, ), ), ), child: Center( child: Text( '被封印的本子', style: TextStyle( fontSize: 12, color: (Theme.of(context).textTheme.bodyText1?.color ?? Colors.black) .withOpacity(.3), ), ), ), ), ); } return LinkToComicInfo( comicId: e.id, child: ComicInfoCard(e), ); }).toList(), ...widget.appendWidget != null ? [ Container( height: 80, child: widget.appendWidget, ), ] : [], ], ); } Widget _buildGridImageWarp() { var gap = 3.0; var size = MediaQuery.of(context).size; var min = size.width < size.height ? size.width : size.height; var widthAndGap = min / 4; int rowCap = size.width ~/ widthAndGap; var width = widthAndGap - gap * 2; var height = width * coverHeight / coverWidth; List wraps = []; List tmp = []; widget.comicList.forEach((e) { var shadow = e.categories .map((e) => shadowCategories.contains(e)) .reduce((value, element) => value || element); if (shadow) { tmp.add( Container( padding: EdgeInsets.all(gap), child: Container( width: width, height: height, color: (Theme.of(context).textTheme.bodyText1?.color ?? Colors.black) .withOpacity(.05), child: Center( child: Text( '被封印的本子', textAlign: TextAlign.center, style: TextStyle( fontSize: 12, color: (Theme.of(context).textTheme.bodyText1?.color ?? Colors.black) .withOpacity(.5), ), ), ), ), ), ); } else { tmp.add(LinkToComicInfo( comicId: e.id, child: Container( padding: EdgeInsets.all(gap), child: RemoteImage( fileServer: e.thumb.fileServer, path: e.thumb.path, width: width, height: height, ), ), )); } if (tmp.length == rowCap) { wraps.add(Row( crossAxisAlignment: CrossAxisAlignment.start, mainAxisAlignment: MainAxisAlignment.spaceAround, children: tmp, )); tmp = []; } }); // 追加特殊按钮 if (widget.appendWidget != null) { tmp.add(Container( color: (Theme.of(context).textTheme.bodyText1?.color ?? Color(0)) .withOpacity(.1), margin: EdgeInsets.only( left: (rowCap - tmp.length) * gap, right: (rowCap - tmp.length) * gap, top: gap, bottom: gap, ), width: (rowCap - tmp.length) * width, height: height, child: widget.appendWidget, )); } // 最后一页没有下一页所有有可能为空 if (tmp.length > 0) { wraps.add(Row( crossAxisAlignment: CrossAxisAlignment.start, mainAxisAlignment: MainAxisAlignment.spaceAround, children: tmp, )); tmp = []; } // 返回 return ListView( controller: widget.controller, physics: const AlwaysScrollableScrollPhysics(), padding: EdgeInsets.only(top: gap, bottom: gap), children: wraps, ); } Widget _buildGridImageTitleWarp() { var gap = 3.0; var size = MediaQuery.of(context).size; var min = size.width < size.height ? size.width : size.height; var widthAndGap = min / 3; int rowCap = size.width ~/ widthAndGap; var width = widthAndGap - gap * 2; var height = width * coverHeight / coverWidth; double titleFontSize = max(width / 11, 10); double shadowFontSize = max(width / 9, 12); List wraps = []; List tmp = []; widget.comicList.forEach((e) { var shadow = e.categories .map((e) => shadowCategories.contains(e)) .reduce((value, element) => value || element); if (shadow) { tmp.add( Container( padding: EdgeInsets.all(gap), child: Container( width: width, height: height, color: (Theme.of(context).textTheme.bodyText1?.color ?? Colors.black) .withOpacity(.05), child: Center( child: Text( '被封印的本子', textAlign: TextAlign.center, style: TextStyle( fontSize: shadowFontSize, color: (Theme.of(context).textTheme.bodyText1?.color ?? Colors.black) .withOpacity(.5), ), ), ), ), ), ); } else { tmp.add(LinkToComicInfo( comicId: e.id, child: Container( margin: EdgeInsets.all(gap), width: width, height: height, child: Stack( children: [ RemoteImage( fileServer: e.thumb.fileServer, path: e.thumb.path, width: width, height: height, ), Align( alignment: Alignment.bottomCenter, child: Container( color: Colors.black.withOpacity(.3), child: Row( children: [ Expanded( child: Text( e.title + '\n', style: TextStyle( color: Colors.white, fontSize: titleFontSize, height: 1.2, ), strutStyle: StrutStyle(height: 1.2), maxLines: 1, overflow: TextOverflow.ellipsis, ), ), ], ), ), ), ], ), ), )); } if (tmp.length == rowCap) { wraps.add(Row( crossAxisAlignment: CrossAxisAlignment.start, mainAxisAlignment: MainAxisAlignment.spaceAround, children: tmp, )); tmp = []; } }); // 追加特殊按钮 if (widget.appendWidget != null) { tmp.add(Container( color: (Theme.of(context).textTheme.bodyText1?.color ?? Color(0)) .withOpacity(.1), margin: EdgeInsets.only( left: (rowCap - tmp.length) * gap, right: (rowCap - tmp.length) * gap, top: gap, bottom: gap, ), width: (rowCap - tmp.length) * width, height: height, child: widget.appendWidget, )); } // 最后一页没有下一页所有有可能为空 if (tmp.length > 0) { wraps.add(Row( crossAxisAlignment: CrossAxisAlignment.start, mainAxisAlignment: MainAxisAlignment.spaceAround, children: tmp, )); tmp = []; } // 返回 return ListView( controller: widget.controller, physics: const AlwaysScrollableScrollPhysics(), padding: EdgeInsets.only(top: gap, bottom: gap), children: wraps, ); } }