import 'dart:async'; import 'dart:io'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:flutter_screenutil/flutter_screenutil.dart'; import 'package:flutter_spinkit/flutter_spinkit.dart'; import 'package:liftmanager/internal/means/means_router.dart'; import 'package:liftmanager/internal/means/page/means_pdf.dart'; import 'package:liftmanager/net/api_service.dart'; import 'package:liftmanager/res/iconfont.dart'; import 'package:liftmanager/res/resources.dart'; import 'package:liftmanager/routers/fluro_navigator.dart'; import 'package:liftmanager/utils/theme_utils.dart'; import 'package:liftmanager/utils/toast.dart'; import 'package:liftmanager/utils/utils.dart'; import 'package:liftmanager/widgets/app_bar.dart'; import 'package:liftmanager/widgets/bbs_content.dart'; import 'package:liftmanager/widgets/load_image.dart'; import 'package:liftmanager/widgets/preview_images.dart'; import 'package:path_provider/path_provider.dart'; class MeansPage extends StatefulWidget { String index = "1"; @override State createState() { return MeansPageState(); } } class MeansPageState extends State with AutomaticKeepAliveClientMixin { // NewsDetailItem item = NewsDetailItem(); ScrollController _scrollController = new ScrollController(); String pathPDF = ""; @override void initState() { super.initState(); getBrandList(); getControlList(); getGuanList(); } List brandListPage; Future getBrandList() async { await NewApiService().getBrandListPage(1, 8, onSuccess: (res) { brandListPage = res.records; setState(() {}); }, onError: (code, msg) { toasts(msg); }); } List controlListPage; List guanList; Future getControlList() async { await NewApiService().getControlListPage(1, 8, topFlag: 1, onSuccess: (res) { controlListPage = res.records; setState(() {}); }, onError: (code, msg) { toasts(msg); }); } Future getGuanList() async { await NewApiService().getMeansList(1, 3, 1, null, null, searchWord: "", onSuccess: (res) { guanList = res.records; setState(() {}); }, onError: (code, msg) { toasts(msg); }); } Future createFileOfPdfUrl(url) async { final filename = url.substring(url.lastIndexOf("/") + 1); var request = await HttpClient().getUrl(Uri.parse(url)); var response = await request.close(); var bytes = await consolidateHttpClientResponseBytes(response); String dir = (await getApplicationDocumentsDirectory()).path; File file = new File('$dir/$filename'); await file.writeAsBytes(bytes); return file; } @override void dispose() { _scrollController.dispose(); super.dispose(); } // @override // void initState() { // super.initState(); // getNewsDetail(); // } // getNewsDetail() { // ApiService().newsDetail(widget.id, onSuccess: (res) { // item = res; // setState(() {}); // }, onError: (code, msg) { // toasts(msg); // }); // } @override Widget build(BuildContext context) { return Scaffold( appBar: MyAppBar(centerTitle: "资料库", isBack: true), body: Container( child: Stack( children: [ Container( child: ListView(controller: _scrollController, children: [ SectionHeader( title: '官方文件', onTap: () { NavigatorUtils.push(context, "${MeansRouter.meansList}?catagoryId=&dataTable=1&brandId="); }, showMore: true, ), guanList != null && guanList != [] ? Container( child: Column( children: guanList.asMap().keys.map((index) { return GestureDetector( child: Container( padding: EdgeInsets.only( left: ScreenUtil().setWidth(15), right: ScreenUtil().setWidth(15), top: ScreenUtil().setHeight(10), bottom: ScreenUtil().setHeight(10), ), decoration: BoxDecoration( border: Border( bottom: BorderSide( width: 0.5, color: Colours.line), ), ), child: Column( children: [ Container( padding: EdgeInsets.only( bottom: ScreenUtil().setHeight(5)), child: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [ Container( padding: EdgeInsets.only( right: ScreenUtil().setWidth(10)), child: ClipRRect( borderRadius: BorderRadius.circular( ScreenUtil() .setWidth(18)), child: Container( width: ScreenUtil().setWidth(36), height: ScreenUtil().setWidth(36), color: Color(0xffF7FAFF), // padding: EdgeInsets.only(right:10), child: Icon( Iconfont.wenjian, size: 24.0, color: Color(0xff5589FF), ), ), ), ), Expanded( child: Text( guanList[index].name ?? '', textAlign: TextAlign.left, style: TextStyle( color: Color(0xff555A64), fontSize: ScreenUtil().setSp(14), ), ), ), ], ), ), ], ), ), onTap: () { var fileUrl = guanList[index].url; if (fileUrl != null && fileUrl != '') { fileUrl = Utils.getImagePath(guanList[index].url); print(fileUrl); if (Utils.getFileType(fileUrl) == 'image') { Navigator.of(context).push( new FadeRoute( page: PhotoViewGalleryScreen( images: [fileUrl], //传入图片list index: index, //传入当前点击的图片的index // heroTag: img,//传入当前点击的图片的hero tag （可选） ), ), ); } else if (Utils.getFileType(fileUrl) == 'pdf') { createFileOfPdfUrl(fileUrl).then( (f) { setState( () { pathPDF = f.path; Navigator.push( context, MaterialPageRoute( builder: (context) => PDFScreen( f.path, fileUrl, guanList[index] .id .toString()), ), ); }, ); }, ); } } else { toasts("暂无文件"); } }, ); }).toList(), ), ) : loadCircle(), Container( height: ScreenUtil().setWidth(5), color: ThemeUtils.getDialogTextFieldColor(context), ), SectionHeader( title: '电梯品牌', onTap: () { NavigatorUtils.push(context, MeansRouter.brandList); }, showMore: true, ), brandListPage != null && brandListPage != [] ? Brand( initList: brandListPage, fun: (id) { NavigatorUtils.push( context, "${MeansRouter.brandDetail}?id=$id"); }) : loadCircle(), Container( height: ScreenUtil().setWidth(5), color: ThemeUtils.getDialogTextFieldColor(context), ), SectionHeader( title: '控制系统', onTap: () { NavigatorUtils.push(context, MeansRouter.controlList); }, showMore: true, ), controlListPage != null && controlListPage != [] ? Brand( initList: controlListPage, fun: (id) { NavigatorUtils.push( context, "${MeansRouter.controlDetail}?id=$id"); }) : loadCircle() ]), ), ], ))); } Widget loadCircle() { return Container( padding: EdgeInsets.only(top: 10, bottom: 10), color: ThemeUtils.getTabsBg(context), child: Center( child: SpinKitFadingCircle( color: Colors.blueAccent, size: 30.0, ), ), ); } @override bool get wantKeepAlive => true; } class Brand extends StatelessWidget { const Brand({Key key, this.initList, this.fun}) : super(key: key); final Function fun; final List initList; List brandList(context) => initList.map((item) { double width = MediaQuery.of(context).size.width; return Container( // color:Colors.yellow, child: FlatButton( padding: EdgeInsets.all(0), highlightColor: Colors.white, splashColor: Colors.white, child: Container( width: width / 4, height: ScreenUtil().setWidth(100), // color: Colors.red, padding: EdgeInsets.only( left: ScreenUtil().setWidth(10), right: ScreenUtil().setWidth(10), top: ScreenUtil().setWidth(10)), child: Column( mainAxisAlignment: MainAxisAlignment.start, children: [ Container( child: LoadNetworkImageAlt( item.logo, width: ScreenUtil().setWidth(50), height: ScreenUtil().setWidth(50), // alignment: Alignment.centerLeft, ), ), SizedBox(height: 10,), Container( child: Text( item.name ?? "", style: TextStyle( color: Color(0xff333333), fontSize: 12), textAlign: TextAlign.start, maxLines: 1, overflow: TextOverflow.ellipsis, ), ), ]), ), onPressed: () { fun(item.id); }, ), ); }).toList(); @override Widget build(BuildContext context) { return Container( padding: EdgeInsets.only(top: 5), child: Wrap( // spacing: 16, alignment: WrapAlignment.start, crossAxisAlignment: WrapCrossAlignment.center, children: brandList(context), )); } } class FadeRoute extends PageRouteBuilder { final Widget page; FadeRoute({this.page}) : super( pageBuilder: ( BuildContext context, Animation animation, Animation secondaryAnimation, ) => page, transitionsBuilder: ( BuildContext context, Animation animation, Animation secondaryAnimation, Widget child, ) => FadeTransition( opacity: animation, child: child, ), ); }