151 lines
4.3 KiB
Dart
151 lines
4.3 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:voyagehandbook/api/wikimedia.dart';
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import 'package:voyagehandbook/util/drawer.dart';
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import 'package:voyagehandbook/util/render.dart';
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import 'package:voyagehandbook/util/storage.dart';
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import 'package:voyagehandbook/util/styles.dart';
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import 'package:flutter_gen/gen_l10n/app_localizations.dart';
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/*
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Voyage Handbook - The open-source WikiVoyage reader
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Copyright (C) 2023 Matyáš Caras
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 3 as published by
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the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/// Renders a single WikiVoyage article
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class ArticleView extends StatefulWidget {
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const ArticleView({super.key, required this.pageKey, required this.name});
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final String pageKey;
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final String name;
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@override
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State<ArticleView> createState() => _ArticleViewState();
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}
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class _ArticleViewState extends State<ArticleView> {
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var _content = <Widget>[];
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@override
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didChangeDependencies() {
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super.didChangeDependencies();
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loadPage();
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}
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@override
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void initState() {
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super.initState();
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addToRecents();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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actions: (kDebugMode)
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? [
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IconButton(
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onPressed: () => loadPage(),
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icon: const Icon(Icons.restart_alt))
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]
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: null),
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drawer: genDrawer(0, context),
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body: Center(
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child: SizedBox(
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height: MediaQuery.of(context).size.height,
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width: MediaQuery.of(context).size.width * 0.9,
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child: SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: _content,
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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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void loadPage() async {
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if (!mounted) return;
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var renderer = PageRenderer(
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Theme.of(context).colorScheme,
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MediaQuery.of(context).size.height,
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MediaQuery.of(context).size.width,
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context,
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AppLocalizations.of(context)!);
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try {
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_content = [
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SizedBox(
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width: MediaQuery.of(context).size.width * 0.9,
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height: MediaQuery.of(context).size.height,
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child: await renderer
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.renderFromPageHTML(await WikiApi.getRawPage(widget.pageKey)),
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)
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];
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} catch (e) {
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if (e.toString().contains("Failed host lookup")) {
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// user is offline
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var offline = await StorageAccess.getOfflinePage(widget.pageKey);
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if (offline == null) {
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// Not downloaded, show error
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if (!mounted) return;
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_content = [
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Text(
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AppLocalizations.of(context)!.renderError,
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style: PageStyles.h1,
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),
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const SizedBox(
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height: 10,
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),
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Text(AppLocalizations.of(context)!.offlineError)
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];
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} else {
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// Render offline version
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if (!mounted) return;
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_content = [
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SizedBox(
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width: MediaQuery.of(context).size.width * 0.9,
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height: MediaQuery.of(context).size.height,
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child: await renderer.renderFromPageHTML(offline),
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)
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];
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}
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} else {
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_content = [
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Text(
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AppLocalizations.of(context)!.renderError,
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style: PageStyles.h1,
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),
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const SizedBox(
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height: 10,
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),
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Text(e.toString())
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];
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}
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}
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setState(() {});
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}
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void addToRecents() {
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StorageAccess.addToRecents(widget.name, widget.pageKey);
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if (kDebugMode) {
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print("Added ${widget.name} to recent");
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}
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}
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}
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