210 lines
9.8 KiB
Dart
210 lines
9.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:voyagehandbook/api/classes.dart';
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import 'package:voyagehandbook/api/wikimedia.dart';
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import 'package:voyagehandbook/views/pageview.dart';
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import 'package:flutter_gen/gen_l10n/app_localizations.dart';
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import '../util/drawer.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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class SearchView extends StatefulWidget {
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const SearchView({super.key});
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@override
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State<SearchView> createState() => _SearchViewState();
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}
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class _SearchViewState extends State<SearchView> {
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final _searchController = TextEditingController();
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var _searchResults = <SearchResponse>[];
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var _showBox = false;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar:
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AppBar(title: Text(AppLocalizations.of(context)!.searchAppBarTitle)),
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drawer: genDrawer(2, context),
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body: SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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child: 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: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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TextField(
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controller: _searchController,
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),
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TextButton(
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onPressed: () async {
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if (_searchController.text == "") return;
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_showBox = true;
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setState(() {});
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var r = await WikiApi.search(_searchController.text);
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_searchResults = r;
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setState(() {});
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},
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child: Text(AppLocalizations.of(context)!.search),
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),
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const SizedBox(
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height: 15,
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),
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AnimatedOpacity(
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opacity: (!_showBox) ? 0 : 1,
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duration: const Duration(milliseconds: 500),
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child: SizedBox(
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height: MediaQuery.of(context).size.height -
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301, // TODO: maybe not responsive?
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width: MediaQuery.of(context).size.width * 0.9,
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child: Container(
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decoration: BoxDecoration(
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border: Border.all(
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color: Theme.of(context)
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.colorScheme
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.secondaryContainer,
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width: 1),
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borderRadius: BorderRadius.circular(4),
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),
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child: (_searchResults.isNotEmpty)
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? ListView.builder(
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itemBuilder: (context, index) {
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var span = <TextSpan>[];
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var searchMatches = RegExp(
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r'<span class="searchmatch">.+?<\/span>')
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.allMatches(_searchResults[index].excerpt);
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if (searchMatches.isEmpty) {
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span = [
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TextSpan(
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text: _searchResults[index].excerpt)
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];
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} else {
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// create emphasis on words matching search per the span element from API
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var text = _searchResults[index].excerpt;
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for (var match in searchMatches) {
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var split = text.split(match
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.group(0)!); // split by span element
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span.add(TextSpan(
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text:
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split[0])); // add text before span
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span.add(
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TextSpan(
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text: match.group(0)!.replaceAll(
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RegExp(r'<\/?span.*?>'), ""),
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style: const TextStyle(
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fontWeight: FontWeight.bold),
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),
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); // add span as bold
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text = text
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.replaceFirst(
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(split.isNotEmpty) ? split[0] : "",
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"")
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.replaceFirst(match.group(0)!,
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""); // set text for next span to add
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}
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span.add(
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TextSpan(text: text),
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); // add text we didn't add before
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}
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return Padding(
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padding:
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const EdgeInsets.only(left: 8, right: 8),
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child: SizedBox(
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height: 150,
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child: Card(
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elevation: 2,
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child: InkWell(
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onLongPress: () {
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// Show download dialog
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showDialog(
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context: context,
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builder: (_) => AlertDialog(
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title: Text(
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AppLocalizations.of(context)!
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.offlineTitle),
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content: Text(
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AppLocalizations.of(context)!
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.offlineDialog(
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_searchResults[index]
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.title),
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),
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),
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);
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},
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onTap: () {
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Navigator.of(context).push(
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MaterialPageRoute(
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builder: (c) => ArticleView(
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pageKey:
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_searchResults[index].key,
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name:
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_searchResults[index].title,
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),
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),
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);
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},
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Column(
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children: [
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Text(
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_searchResults[index].title,
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style: const TextStyle(
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fontWeight: FontWeight.bold,
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fontSize:
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16), // TODO: responsive sizing
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),
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const SizedBox(
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height: 10,
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),
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RichText(
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textAlign: TextAlign.justify,
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text: TextSpan(children: span),
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),
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const SizedBox(
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height: 10,
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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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itemCount: _searchResults.length,
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)
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: const SizedBox(
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height: 50,
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width: 50,
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child: CircularProgressIndicator(),
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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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