feat(pagerenderer): ✨ render maps with markers using Flutter Maps
This commit is contained in:
Matyáš Caras
parent
74b795f00b
commit
55bd0e56c4
4 changed files with 231 additions and 63 deletions
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@ -26,6 +26,6 @@ subprojects {
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project.evaluationDependsOn(':app')
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}
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task clean(type: Delete) {
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tasks.register("clean", Delete) {
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delete rootProject.buildDir
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}
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@ -2,8 +2,11 @@ import 'dart:math';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_map/flutter_map.dart';
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import 'package:html/parser.dart';
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import 'package:html/dom.dart' as dom;
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import 'package:latlong2/latlong.dart';
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import 'package:logger/logger.dart';
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import 'package:url_launcher/url_launcher.dart';
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import 'package:url_launcher/url_launcher_string.dart';
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import 'package:voyagehandbook/api/classes.dart';
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@ -30,12 +33,14 @@ import 'package:widget_zoom/widget_zoom.dart';
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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final _ignoredTags = ["style", "script"];
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final logger = Logger(printer: PrettyPrinter());
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class PageRenderer {
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final ColorScheme scheme;
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final double height;
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final double width;
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final BuildContext context;
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String? document;
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PageRenderer(this.scheme, this.height, this.width, this.context);
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@ -91,6 +96,7 @@ class PageRenderer {
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];
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var document = parse(page.html);
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var sections = document.body!.getElementsByTagName("section");
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this.document = page.html;
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for (var sec in sections) {
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if (sec.localName == "section") {
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out.addAll(_renderSection(sec));
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@ -329,13 +335,106 @@ class PageRenderer {
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),
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);
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} else if (element.classes.contains("mw-kartographer-container")) {
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logger.i("Found map container");
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var imgs = element
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.getElementsByTagName("div")
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.first
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.getElementsByTagName("a")
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.first
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.getElementsByTagName("img");
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if (imgs.isEmpty) break; // load maps that have a static image
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if (imgs.isEmpty ||
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(imgs.first.attributes["src"]
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?.startsWith("https://maps.wikimedia.org") ??
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false)) {
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logger.i("Rendering with FlutterMap");
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// render map using FlutterMap
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var dataElement = element
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.getElementsByClassName("thumbinner")
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.first
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.getElementsByClassName("mw-kartographer-map")
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.first;
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var pointsRaw = RegExp(
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r"""<span class="noprint listing-coordinates".+?><span class="geo"><abbr class="latitude">(.+?)<\/abbr><abbr class="longitude">(.+?)<\/abbr>.+?}'>(\d+)<""")
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.allMatches(document!); // find markers
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logger.i("Found ${pointsRaw.length} markers");
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if (pointsRaw.isEmpty) break;
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var points = <Marker>[];
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for (var point in pointsRaw) {
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// convert to FlutterMap markers
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if (point.groups([1, 2]).any((element) => element == null)) {
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logger.w("No lat/lon found in pointer");
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continue;
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}
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// assign marker color
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var colorMatch = RegExp(r'background: #(.+?);')
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.firstMatch(point.group(0)!)
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?.group(1);
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Color bubbleColor = (colorMatch == null)
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? scheme.secondary
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: Color(int.parse("0xff$colorMatch"));
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points.add(
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Marker(
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builder: (c) => Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(4),
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color: bubbleColor),
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(point.group(3) ?? "X"),
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),
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),
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point: LatLng(
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double.parse(point.group(1)!),
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double.parse(point.group(2)!),
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),
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),
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);
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}
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out.add(const SizedBox(
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height: 10,
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));
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out.add(
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SizedBox(
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width: MediaQuery.of(context).size.width * 0.8,
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height: (MediaQuery.of(context).size.width * 0.8 / 4) * 3,
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child: FlutterMap(
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options: MapOptions(
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center: LatLng(
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double.parse(
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dataElement.attributes["data-lat"] ?? "00.0"),
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double.parse(
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dataElement.attributes["data-lon"] ?? "00.0"),
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),
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zoom: double.parse(
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dataElement.attributes["data-zoom"] ?? "1"),
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),
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nonRotatedChildren: [
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RichAttributionWidget(
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attributions: [
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TextSourceAttribution(
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"OpenStreetMap contributors",
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onTap: () => launchUrlString(
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"https://openstreetmap.org/copyright"),
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)
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],
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)
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],
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children: [
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TileLayer(
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urlTemplate:
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"https://tile.openstreetmap.org/{z}/{x}/{y}.png",
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userAgentPackageName: "cafe.caras.voyagehandbook",
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),
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MarkerLayer(
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markers: points,
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)
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],
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),
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),
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);
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} else {
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var img = imgs[0];
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var cap = element.getElementsByClassName("thumbcaption")[0];
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out.add(const SizedBox(
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@ -369,6 +468,7 @@ class PageRenderer {
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),
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);
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}
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}
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break;
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default:
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break;
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@ -561,16 +661,6 @@ class PageRenderer {
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return content;
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}
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final _extraColorsLight = {
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"blue": const Color.fromARGB(255, 34, 34, 157),
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"red": const Color.fromARGB(255, 152, 33, 33)
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};
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final _extraColorsDark = {
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"blue": const Color.fromARGB(255, 84, 95, 247),
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"red": const Color.fromARGB(255, 242, 69, 69)
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};
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SingleChildScrollView _renderList(dom.Element element) {
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var out = <Widget>[];
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var i = 0;
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@ -580,24 +670,19 @@ class PageRenderer {
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? item.getElementsByClassName("listing-name")[0].text
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: null;
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Color bubbleColor;
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if (item.innerHtml.contains("background: #0000FF")) {
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bubbleColor =
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(MediaQuery.of(context).platformBrightness == Brightness.dark)
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? _extraColorsDark["blue"]!
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: _extraColorsLight["blue"]!;
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} else if (item.innerHtml.contains("background: #800000")) {
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bubbleColor =
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(MediaQuery.of(context).platformBrightness == Brightness.dark)
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? _extraColorsDark["red"]!
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: _extraColorsLight["red"]!;
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} else {
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bubbleColor = scheme.secondary;
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var colorMatch =
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RegExp(r'background: #(.+?);').firstMatch(item.innerHtml)?.group(1);
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Color bubbleColor = (colorMatch == null)
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? scheme.secondary
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: Color(int.parse("0xff$colorMatch"));
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if (element.getElementsByClassName("geo").isNotEmpty) {
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element.getElementsByClassName("geo").first.remove();
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}
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var rest =
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((title != null) ? item.text.replaceAll(title, "") : item.text);
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if (rest.startsWith("1")) {
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rest = rest.substring(1); // TODO: figure out how to remove it better?
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}
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var rest = (title != null)
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? item.text.replaceAll(item.getElementsByTagName("span")[0].text, "")
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: item.text;
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out.add(const SizedBox(
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height: 5,
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));
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82
pubspec.lock
82
pubspec.lock
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@ -318,6 +318,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "2.0.2"
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flutter_map:
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dependency: "direct main"
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description:
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name: flutter_map
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sha256: "5286f72f87deb132daa1489442d6cc46e986fc105cb727d9ae1b602b35b1d1f3"
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url: "https://pub.dev"
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source: hosted
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version: "5.0.0"
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flutter_test:
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dependency: "direct dev"
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description: flutter
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@ -400,6 +408,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "3.3.0"
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intl:
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dependency: transitive
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description:
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name: intl
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sha256: "3bc132a9dbce73a7e4a21a17d06e1878839ffbf975568bc875c60537824b0c4d"
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url: "https://pub.dev"
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source: hosted
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version: "0.18.1"
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io:
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dependency: transitive
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description:
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@ -432,6 +448,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "6.7.1"
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latlong2:
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dependency: "direct main"
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description:
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name: latlong2
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sha256: "18712164760cee655bc790122b0fd8f3d5b3c36da2cb7bf94b68a197fbb0811b"
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url: "https://pub.dev"
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source: hosted
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version: "0.9.0"
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lints:
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dependency: transitive
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description:
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@ -440,6 +464,22 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "2.1.1"
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lists:
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dependency: transitive
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description:
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name: lists
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sha256: "4ca5c19ae4350de036a7e996cdd1ee39c93ac0a2b840f4915459b7d0a7d4ab27"
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url: "https://pub.dev"
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source: hosted
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version: "1.0.1"
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logger:
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dependency: "direct main"
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description:
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name: logger
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sha256: "7ad7215c15420a102ec687bb320a7312afd449bac63bfb1c60d9787c27b9767f"
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url: "https://pub.dev"
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source: hosted
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version: "1.4.0"
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logging:
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dependency: transitive
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description:
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@ -472,6 +512,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "1.9.1"
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mgrs_dart:
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dependency: transitive
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description:
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name: mgrs_dart
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sha256: fb89ae62f05fa0bb90f70c31fc870bcbcfd516c843fb554452ab3396f78586f7
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url: "https://pub.dev"
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source: hosted
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version: "2.0.0"
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mime:
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dependency: transitive
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description:
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@ -584,6 +632,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "3.7.3"
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polylabel:
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dependency: transitive
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description:
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name: polylabel
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sha256: "41b9099afb2aa6c1730bdd8a0fab1400d287694ec7615dd8516935fa3144214b"
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url: "https://pub.dev"
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source: hosted
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version: "1.0.1"
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pool:
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dependency: transitive
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description:
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@ -600,6 +656,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "4.2.4"
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proj4dart:
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dependency: transitive
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description:
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name: proj4dart
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sha256: c8a659ac9b6864aa47c171e78d41bbe6f5e1d7bd790a5814249e6b68bc44324e
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url: "https://pub.dev"
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source: hosted
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version: "2.1.0"
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pub_semver:
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dependency: transitive
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description:
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@ -813,6 +877,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "1.3.2"
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unicode:
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dependency: transitive
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description:
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name: unicode
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sha256: "0f69e46593d65245774d4f17125c6084d2c20b4e473a983f6e21b7d7762218f1"
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url: "https://pub.dev"
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source: hosted
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version: "0.3.1"
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url_launcher:
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dependency: "direct main"
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description:
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@ -925,6 +997,14 @@ packages:
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url: "https://pub.dev"
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source: hosted
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version: "5.0.5"
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wkt_parser:
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dependency: transitive
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description:
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name: wkt_parser
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sha256: "8a555fc60de3116c00aad67891bcab20f81a958e4219cc106e3c037aa3937f13"
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url: "https://pub.dev"
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source: hosted
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version: "2.0.0"
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xdg_directories:
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dependency: transitive
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description:
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@ -951,4 +1031,4 @@ packages:
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version: "3.1.2"
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sdks:
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dart: ">=3.0.0 <3.2.0"
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flutter: ">=3.4.0-17.0.pre"
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flutter: ">=3.10.0"
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@ -16,10 +16,10 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
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# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
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# In Windows, build-name is used as the major, minor, and patch parts
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# of the product and file versions while build-number is used as the build suffix.
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version: 1.0.0-alpha.1+1
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version: 1.0.0-alpha.2+2
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environment:
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sdk: '>=2.19.4 <3.0.0'
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sdk: '>=3.0.0'
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# Dependencies specify other packages that your package needs in order to work.
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# To automatically upgrade your package dependencies to the latest versions
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@ -46,6 +46,9 @@ dependencies:
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cached_network_image: ^3.2.3
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html_unescape: ^2.0.0
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widget_zoom: ^0.0.1
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flutter_map: ^5.0.0
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latlong2: ^0.9.0
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logger: ^1.4.0
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dev_dependencies:
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flutter_test:
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