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generate tag color based on text

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Adrian Baumgart 2024-01-28 01:05:35 +01:00
parent 086ca47fc0
commit d00ba4b4e9
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7 changed files with 70 additions and 54 deletions
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1
analysis_options.yaml
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@ -26,6 +26,7 @@ linter:
- curly_braces_in_flow_control_structures
# doc comments
- slash_for_doc_comments
- package_api_docs
# The lint rules applied to this project can be customized in the
# section below to disable rules from the `package:flutter_lints/flutter.yaml`
# included above or to enable additional rules. A list of all available lints

4
lib/API/Classes/ShortURL/short_url.dart
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@ -23,7 +23,7 @@ class ShortURL {
VisitsSummary visitsSummary;
/// List of tags assigned to this short URL
List<dynamic> tags;
List<String> tags;
/// Metadata
ShortURLMeta meta;
@ -58,7 +58,7 @@ class ShortURL {
deviceLongUrls = DeviceLongUrls.fromJson(json["deviceLongUrls"]),
dateCreated = DateTime.parse(json["dateCreated"]),
visitsSummary = VisitsSummary.fromJson(json["visitsSummary"]),
tags = json["tags"],
tags = (json["tags"] as List<dynamic>).map((e) => e.toString()).toList(),
meta = ShortURLMeta.fromJson(json["meta"]),
domain = json["domain"],
title = json["title"],

3
lib/API/server_manager.dart
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@ -32,7 +32,8 @@ class ServerManager {
return apiVersion;
}
/// Checks whether the user provided information about the server (url and apikey)
/// Checks whether the user provided information about the server
/// (url and apikey)
Future<bool> checkLogin() async {
await _loadCredentials();
return (serverUrl != null);

19
lib/util/string_to_color.dart Normal file
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@ -0,0 +1,19 @@
import 'dart:ui';
import 'package:flutter/widgets.dart';
Color stringToColor(String string) {
int hash = 0;
string.split('').forEach((char) {
hash = char.codeUnitAt(0) + ((hash << 5) - hash);
});
var rgb = [];
for (int i = 0; i < 3; i++) {
var value = (hash >> (i * 8)) & 0xff;
rgb.add(int.parse(value.toRadixString(16).padLeft(2, '0'), radix: 16));
}
if (rgb.length != 3) {
return const Color(0xff000000);
}
return Color.fromARGB(1, rgb[0], rgb[1], rgb[2]);
}

27
lib/views/url_detail_view.dart
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@ -1,8 +1,8 @@
import 'package:dynamic_color/dynamic_color.dart';
import 'package:flutter/material.dart';
import 'package:shlink_app/API/Classes/ShortURL/short_url.dart';
import 'package:intl/intl.dart';
import 'package:shlink_app/API/server_manager.dart';
import 'package:shlink_app/widgets/url_tags_list_widget.dart';
import '../globals.dart' as globals;
class URLDetailView extends StatefulWidget {
@ -100,30 +100,7 @@ class _URLDetailViewState extends State<URLDetailView> {
SliverToBoxAdapter(
child: Padding(
padding: const EdgeInsets.only(left: 16.0, right: 16.0),
child: Wrap(
children: widget.shortURL.tags.map((tag) {
var randomColor = ([...Colors.primaries]..shuffle())
.first
.harmonizeWith(Theme.of(context).colorScheme.primary);
return Padding(
padding: const EdgeInsets.only(right: 4, top: 4),
child: Container(
padding: const EdgeInsets.only(
top: 4, bottom: 4, left: 12, right: 12),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
color: randomColor,
),
child: Text(
tag,
style: TextStyle(
color: randomColor.computeLuminance() < 0.5
? Colors.white
: Colors.black),
),
),
);
}).toList()),
child: UrlTagsListWidget(tags: widget.shortURL.tags)
),
),
_ListCell(title: "Short Code", content: widget.shortURL.shortCode),

28
lib/views/url_list_view.dart
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@ -1,10 +1,10 @@
import 'package:dynamic_color/dynamic_color.dart';
import 'package:flutter/material.dart';
import 'package:qr_flutter/qr_flutter.dart';
import 'package:shlink_app/API/Classes/ShortURL/short_url.dart';
import 'package:shlink_app/API/server_manager.dart';
import 'package:shlink_app/views/short_url_edit_view.dart';
import 'package:shlink_app/views/url_detail_view.dart';
import 'package:shlink_app/widgets/url_tags_list_widget.dart';
import '../globals.dart' as globals;
import 'package:flutter/services.dart';
@ -235,31 +235,7 @@ class _ShortURLCellState extends State<ShortURLCell> {
style: TextStyle(color: Colors.grey[600]),
),
// List tags in a row
Wrap(
children: widget.shortURL.tags.map((tag) {
var randomColor = ([...Colors.primaries]..shuffle())
.first
.harmonizeWith(
Theme.of(context).colorScheme.primary);
return Padding(
padding: const EdgeInsets.only(right: 4, top: 4),
child: Container(
padding: const EdgeInsets.only(
top: 4, bottom: 4, left: 12, right: 12),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
color: randomColor,
),
child: Text(
tag,
style: TextStyle(
color: randomColor.computeLuminance() < 0.5
? Colors.white
: Colors.black),
),
),
);
}).toList())
UrlTagsListWidget(tags: widget.shortURL.tags)
],
),
),

42
lib/widgets/url_tags_list_widget.dart Normal file
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@ -0,0 +1,42 @@
import 'package:dynamic_color/dynamic_color.dart';
import 'package:flutter/material.dart';
import 'package:shlink_app/util/string_to_color.dart';
class UrlTagsListWidget extends StatefulWidget {
const UrlTagsListWidget({super.key, required this.tags});
final List<String> tags;
@override
State<UrlTagsListWidget> createState() => _UrlTagsListWidgetState();
}
class _UrlTagsListWidgetState extends State<UrlTagsListWidget> {
@override
Widget build(BuildContext context) {
return Wrap(
children: widget.tags.map((tag) {
var boxColor = stringToColor(tag)
.harmonizeWith(
Theme.of(context).colorScheme.primary);
return Padding(
padding: const EdgeInsets.only(right: 4, top: 4),
child: Container(
padding: const EdgeInsets.only(
top: 4, bottom: 4, left: 12, right: 12),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
color: boxColor,
),
child: Text(
tag,
style: TextStyle(
color: boxColor.computeLuminance() < 0.5
? Colors.white
: Colors.black),
),
),
);
}).toList());
}
}