119 lines
3.6 KiB
Dart
119 lines
3.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:stream_chat_flutter/src/emoji/emoji.dart';
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import 'package:stream_chat_flutter/src/extension.dart';
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import 'package:stream_chat_flutter/stream_chat_flutter.dart';
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import 'package:substring_highlight/substring_highlight.dart';
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/// Overlay for displaying emoji that can be used
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class EmojiOverlay extends StatelessWidget {
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/// Constructor for creating a [EmojiOverlay]
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const EmojiOverlay({
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required this.query,
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required this.onEmojiResult,
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required this.size,
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Key? key,
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}) : super(key: key);
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/// The size of the overlay
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final Size size;
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/// Query for searching emoji
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final String query;
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/// Callback called when an emoji is selected
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final ValueChanged<Emoji> onEmojiResult;
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@override
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Widget build(BuildContext context) {
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final _streamChatTheme = StreamChatTheme.of(context);
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final _emojiNames =
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Emoji.all().where((it) => it.name != null).map((e) => e.name!);
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final emojis = _emojiNames
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.where((e) => e.contains(query))
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.map(Emoji.byName)
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.where((e) => e != null);
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if (emojis.isEmpty) {
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return const SizedBox();
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}
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return Card(
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margin: const EdgeInsets.all(8),
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elevation: 2,
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color: _streamChatTheme.colorTheme.barsBg,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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clipBehavior: Clip.hardEdge,
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child: Container(
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constraints: BoxConstraints.loose(size),
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decoration: BoxDecoration(
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boxShadow: const [
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BoxShadow(
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spreadRadius: -8,
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blurRadius: 5,
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offset: Offset(0, -4),
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),
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],
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color: _streamChatTheme.colorTheme.barsBg,
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),
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child: ListView.builder(
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padding: const EdgeInsets.all(0),
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shrinkWrap: true,
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itemCount: emojis.length + 1,
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itemBuilder: (context, i) {
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if (i == 0) {
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return Padding(
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padding: const EdgeInsets.only(left: 8, top: 8),
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child: Row(
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children: [
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8),
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child: StreamSvgIcon.smile(
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color: _streamChatTheme.colorTheme.accentPrimary,
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),
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),
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Flexible(
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child: Text(
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context.translations.emojiMatchingQueryText(
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query,
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),
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style: TextStyle(
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color: _streamChatTheme.colorTheme.textHighEmphasis
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.withOpacity(0.5),
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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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final emoji = emojis.elementAt(i - 1)!;
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final themeData = Theme.of(context);
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return ListTile(
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title: SubstringHighlight(
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text:
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// ignore: lines_longer_than_80_chars
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"${emoji.char} ${emoji.name!.replaceAll('_', ' ')}",
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term: query,
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textStyleHighlight: themeData.textTheme.headline6!.copyWith(
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fontSize: 14.5,
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fontWeight: FontWeight.bold,
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),
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textStyle: themeData.textTheme.headline6!.copyWith(
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fontSize: 14.5,
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),
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),
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onTap: () {
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onEmojiResult(emoji);
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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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