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Code Issues Releases 2 Activity

Add emote suggestion thingy

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Sorunome 2020-05-15 13:28:23 +00:00 committed by Christian Pauly
parent cacc0c4854
commit 956d9cd029
4 changed files with 238 additions and 1 deletions
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220
lib/components/input_bar.dart Normal file
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@ -0,0 +1,220 @@
import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:flutter_typeahead/flutter_typeahead.dart';
import 'package:flutter_advanced_networkimage/provider.dart';
class InputBar extends StatelessWidget {
final Room room;
final int minLines;
final int maxLines;
final TextInputType keyboardType;
final ValueChanged<String> onSubmitted;
final FocusNode focusNode;
final TextEditingController controller;
final InputDecoration decoration;
final ValueChanged<String> onChanged;
InputBar({
this.room,
this.minLines,
this.maxLines,
this.keyboardType,
this.onSubmitted,
this.focusNode,
this.controller,
this.decoration,
this.onChanged,
});
Map<String, Map<String, String>> getEmotePacks() {
final emotePacks = <String, Map<String, String>>{};
final addEmotePack = (String packName, Map<String, dynamic> content) {
emotePacks[packName] = <String, String>{};
content.forEach((key, value) {
if (key is String && value is String && value.startsWith('mxc://')) {
emotePacks[packName][key] = value;
}
});
};
final roomEmotes = room.getState('im.ponies.room_emotes');
final userEmotes = room.client.accountData['im.ponies.user_emotes'];
if (roomEmotes != null && roomEmotes.content['short'] is Map) {
addEmotePack('room', roomEmotes.content['short']);
}
if (userEmotes != null && userEmotes.content['short'] is Map) {
addEmotePack('user', userEmotes.content['short']);
}
return emotePacks;
}
List<Map<String, String>> getSuggestions(String text) {
if (controller.selection.baseOffset != controller.selection.extentOffset || controller.selection.baseOffset < 0) {
return []; // no entries if there is selected text
}
final searchText = controller.text.substring(0, controller.selection.baseOffset);
final ret = <Map<String, String>>[];
final emojiMatch = RegExp(r'(?:\s|^):(?:([-\w]+)~)?([-\w]+)$').firstMatch(searchText);
if (emojiMatch != null) {
final packSearch = emojiMatch[1];
final emoteSearch = emojiMatch[2].toLowerCase();
var results = 0;
final emotePacks = getEmotePacks();
if (packSearch == null || packSearch.isEmpty) {
for (final pack in emotePacks.entries) {
for (final emote in pack.value.entries) {
if (emote.key.toLowerCase().contains(emoteSearch)) {
ret.add({
'type': 'emote',
'name': emote.key,
'pack': pack.key,
'mxc': emote.value,
});
results++;
}
if (results > 10) {
break;
}
}
if (results > 10) {
break;
}
}
} else if (emotePacks[packSearch] != null) {
for (final emote in emotePacks[packSearch].entries) {
if (emote.key.toLowerCase().contains(emoteSearch)) {
ret.add({
'type': 'emote',
'name': emote.key,
'pack': packSearch,
'mxc': emote.value,
});
results++;
}
if (results > 10) {
break;
}
}
}
}
return ret;
}
Widget buildSuggestion(BuildContext context, Map<String, String> suggestion) {
if (suggestion['type'] == 'emote') {
final size = 30.0;
final ratio = MediaQuery.of(context).devicePixelRatio;
final url = Uri.parse(suggestion['mxc'] ?? '')?.getThumbnail(
room.client,
width: size * ratio,
height: size * ratio,
method: ThumbnailMethod.scale,
);
return Container(
padding: EdgeInsets.all(4.0),
child: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Image(
image: kIsWeb
? NetworkImage(url)
: AdvancedNetworkImage(url, useDiskCache: true),
width: size,
height: size,
),
SizedBox(width: 6),
Text(suggestion['name']),
Expanded(
child: Align(
alignment: Alignment.centerRight,
child: Opacity(
opacity: 0.5,
child: Text(suggestion['pack']),
),
),
),
],
),
);
}
return Container();
}
void insertSuggestion(BuildContext context, Map<String, String> suggestion) {
if (suggestion['type'] == 'emote') {
var isUnique = true;
final insertEmote = suggestion['name'];
final insertPack = suggestion['pack'];
final emotePacks = getEmotePacks();
for (final pack in emotePacks.entries) {
if (pack.key == insertPack) {
continue;
}
for (final emote in pack.value.entries) {
if (emote.key == insertEmote) {
isUnique = false;
break;
}
}
if (!isUnique) {
break;
}
}
final insertText = isUnique ? insertEmote : ':${insertPack}~${insertEmote.substring(1)}';
final replaceText = controller.text.substring(0, controller.selection.baseOffset);
final afterText = replaceText == controller.text ? '' : controller.text.substring(controller.selection.baseOffset + 1);
final startText = replaceText.replaceAllMapped(
RegExp(r'(\s|^)(:(?:[-\w]+~)?[-\w]+)$'),
(Match m) => '${m[1]}${insertText} ',
);
controller.text = startText + afterText;
if (startText == insertText + ' ') {
// stupid fix for now
FocusScope.of(context).requestFocus(FocusNode());
Future.delayed(Duration(milliseconds: 1)).then((res) {
focusNode.requestFocus();
controller.selection = TextSelection(
baseOffset: startText.length,
extentOffset: startText.length,
);
});
} else {
controller.selection = TextSelection(
baseOffset: startText.length,
extentOffset: startText.length,
);
}
}
}
@override
Widget build(BuildContext context) {
return TypeAheadField<Map<String, String>>(
direction: AxisDirection.up,
hideOnEmpty: true,
hideOnLoading: true,
keepSuggestionsOnSuggestionSelected: true,
debounceDuration: Duration(milliseconds: 50), // show suggestions after 50ms idle time (default is 300)
textFieldConfiguration: TextFieldConfiguration(
minLines: minLines,
maxLines: maxLines,
keyboardType: keyboardType,
onSubmitted: (text) { // fix for library for now
onSubmitted(text);
},
focusNode: focusNode,
controller: controller,
decoration: decoration,
onChanged: (text) {
onChanged(text);
},
),
suggestionsCallback: getSuggestions,
itemBuilder: buildSuggestion,
onSuggestionSelected: (Map<String, String> suggestion) => insertSuggestion(context, suggestion),
errorBuilder: (BuildContext context, Object error) => Container(),
loadingBuilder: (BuildContext context) => Container(), // fix loading briefly flickering a dark box
noItemsFoundBuilder: (BuildContext context) => Container(), // fix loading briefly showing no suggestions
);
}
}

4
lib/views/chat.dart
View file

@ -20,6 +20,7 @@ import 'package:image_picker/image_picker.dart';
import 'package:pedantic/pedantic.dart';
import 'chat_list.dart';
import '../components/input_bar.dart';
class ChatView extends StatelessWidget {
final String id;
@ -693,7 +694,8 @@ class _ChatState extends State<_Chat> {
child: Padding(
padding: const EdgeInsets.symmetric(
vertical: 4.0),
child: TextField(
child: InputBar(
room: room,
minLines: 1,
maxLines: kIsWeb ? 1 : 8,
keyboardType: kIsWeb

14
pubspec.lock
View file

@ -171,6 +171,13 @@ packages:
url: "https://pub.dartlang.org"
source: hosted
version: "0.6.4"
flutter_keyboard_visibility:
dependency: transitive
description:
name: flutter_keyboard_visibility
url: "https://pub.dartlang.org"
source: hosted
version: "0.7.0"
flutter_launcher_icons:
dependency: "direct dev"
description:
@ -244,6 +251,13 @@ packages:
description: flutter
source: sdk
version: "0.0.0"
flutter_typeahead:
dependency: "direct main"
description:
name: flutter_typeahead
url: "https://pub.dartlang.org"
source: hosted
version: "1.8.1"
flutter_web_plugins:
dependency: transitive
description: flutter

1
pubspec.yaml
View file

@ -57,6 +57,7 @@ dependencies:
flutter_matrix_html: ^0.0.7
moor: ^3.0.2
random_string: ^2.0.1
flutter_typeahead: ^1.8.1
intl: ^0.16.0
intl_translation: ^0.17.9