Files
stream-chat-flutter/packages/stream_chat_flutter/lib/src/utils.dart
T

375 lines
10 KiB
Dart

import 'dart:math';
import 'package:flutter/material.dart';
import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
import 'package:url_launcher/url_launcher.dart';
import '../stream_chat_flutter.dart';
import 'stream_svg_icon.dart';
Future<void> launchURL(BuildContext context, String url) async {
if (await canLaunch(url)) {
await launch(url);
} else {
// ignore: deprecated_member_use
Scaffold.of(context).showSnackBar(
SnackBar(
content: Text('Cannot launch the url'),
),
);
}
}
Future<bool> showConfirmationDialog(
BuildContext context, {
String title,
Widget icon,
String question,
String okText,
String cancelText,
}) {
return showModalBottomSheet(
backgroundColor: StreamChatTheme.of(context).colorTheme.white,
context: context,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(16.0),
topRight: Radius.circular(16.0),
)),
builder: (context) {
final effect = StreamChatTheme.of(context).colorTheme.borderTop;
return SafeArea(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
SizedBox(height: 26.0),
if (icon != null) icon,
SizedBox(height: 26.0),
Text(
title,
style: StreamChatTheme.of(context).textTheme.headlineBold,
),
SizedBox(height: 7.0),
Text(
question,
textAlign: TextAlign.center,
),
SizedBox(height: 36.0),
Container(
color: effect.color.withOpacity(effect.alpha ?? 1),
height: 1,
),
Row(
children: [
Flexible(
child: Container(
alignment: Alignment.center,
child: TextButton(
onPressed: () {
Navigator.of(context).pop(false);
},
child: Text(
cancelText,
style: StreamChatTheme.of(context)
.textTheme
.bodyBold
.copyWith(
color: StreamChatTheme.of(context)
.colorTheme
.black
.withOpacity(0.5)),
),
),
),
),
Flexible(
child: Container(
alignment: Alignment.center,
child: TextButton(
onPressed: () {
Navigator.pop(context, true);
},
child: Text(
okText,
style: StreamChatTheme.of(context)
.textTheme
.bodyBold
.copyWith(
color: StreamChatTheme.of(context)
.colorTheme
.accentRed),
),
),
),
),
],
),
],
),
);
});
}
Future<bool> showInfoDialog(
BuildContext context, {
String title,
Widget icon,
String details,
String okText,
StreamChatThemeData theme,
}) {
return showModalBottomSheet(
backgroundColor: theme?.colorTheme?.white ??
StreamChatTheme.of(context).colorTheme.white,
context: context,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(16.0),
topRight: Radius.circular(16.0),
)),
builder: (context) {
return SafeArea(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
SizedBox(
height: 26.0,
),
if (icon != null) icon,
SizedBox(
height: 26.0,
),
Text(
title,
style: theme?.textTheme?.headlineBold ??
StreamChatTheme.of(context).textTheme.headlineBold,
),
SizedBox(
height: 7.0,
),
Text(details),
SizedBox(
height: 36.0,
),
Container(
color: theme?.colorTheme?.black?.withOpacity(.08) ??
StreamChatTheme.of(context).colorTheme.black.withOpacity(.08),
height: 1.0,
),
Center(
child: TextButton(
onPressed: () {
Navigator.of(context).pop();
},
child: Text(
okText,
style: TextStyle(
color: theme?.colorTheme?.black?.withOpacity(0.5) ??
StreamChatTheme.of(context).colorTheme.accentBlue,
fontWeight: FontWeight.w400,
),
),
),
),
],
),
);
},
);
}
/// Get random png with initials
String getRandomPicUrl(User user) =>
'https://getstream.io/random_png/?id=${user.id}&name=${user.name}';
/// Get websiteName from [hostName]
String getWebsiteName(String hostName) {
switch (hostName) {
case 'reddit':
return 'Reddit';
case 'youtube':
return 'Youtube';
case 'wikipedia':
return 'Wikipedia';
case 'twitter':
return 'Twitter';
case 'facebook':
return 'Facebook';
case 'amazon':
return 'Amazon';
case 'yelp':
return 'Yelp';
case 'imdb':
return 'IMDB';
case 'pinterest':
return 'Pinterest';
case 'tripadvisor':
return 'TripAdvisor';
case 'instagram':
return 'Instagram';
case 'walmart':
return 'Walmart';
case 'craigslist':
return 'Craigslist';
case 'ebay':
return 'eBay';
case 'linkedin':
return 'LinkedIn';
case 'google':
return 'Google';
case 'apple':
return 'Apple';
default:
return null;
}
}
/// A method returns a human readable string representing a file _size
String fileSize(dynamic size, [int round = 2]) {
if (size == null) return 'Size N/A';
/**
* [size] can be passed as number or as string
*
* the optional parameter [round] specifies the number
* of digits after comma/point (default is 2)
*/
final divider = 1024;
int _size;
try {
_size = int.parse(size.toString());
} catch (e) {
throw ArgumentError('Can not parse the size parameter: $e');
}
if (_size < divider) {
return '$_size B';
}
if (_size < divider * divider && _size % divider == 0) {
return '${(_size / divider).toStringAsFixed(0)} KB';
}
if (_size < divider * divider) {
return '${(_size / divider).toStringAsFixed(round)} KB';
}
if (_size < divider * divider * divider && _size % divider == 0) {
return '${(_size / (divider * divider)).toStringAsFixed(0)} MB';
}
if (_size < divider * divider * divider) {
return '${(_size / divider / divider).toStringAsFixed(round)} MB';
}
if (_size < divider * divider * divider * divider && _size % divider == 0) {
return '${(_size / (divider * divider * divider)).toStringAsFixed(0)} GB';
}
if (_size < divider * divider * divider * divider) {
return '${(_size / divider / divider / divider).toStringAsFixed(round)} GB';
}
if (_size < divider * divider * divider * divider * divider &&
_size % divider == 0) {
num r = _size / divider / divider / divider / divider;
return '${r.toStringAsFixed(0)} TB';
}
if (_size < divider * divider * divider * divider * divider) {
num r = _size / divider / divider / divider / divider;
return '${r.toStringAsFixed(round)} TB';
}
if (_size < divider * divider * divider * divider * divider * divider &&
_size % divider == 0) {
num r = _size / divider / divider / divider / divider / divider;
return '${r.toStringAsFixed(0)} PB';
} else {
num r = _size / divider / divider / divider / divider / divider;
return '${r.toStringAsFixed(round)} PB';
}
}
///
StreamSvgIcon getFileTypeImage(String type) {
switch (type) {
case '7z':
return StreamSvgIcon.filetype7z();
break;
case 'csv':
return StreamSvgIcon.filetypeCsv();
break;
case 'doc':
return StreamSvgIcon.filetypeDoc();
break;
case 'docx':
return StreamSvgIcon.filetypeDocx();
break;
case 'html':
return StreamSvgIcon.filetypeHtml();
break;
case 'md':
return StreamSvgIcon.filetypeMd();
break;
case 'odt':
return StreamSvgIcon.filetypeOdt();
break;
case 'pdf':
return StreamSvgIcon.filetypePdf();
break;
case 'ppt':
return StreamSvgIcon.filetypePpt();
break;
case 'pptx':
return StreamSvgIcon.filetypePptx();
break;
case 'rar':
return StreamSvgIcon.filetypeRar();
break;
case 'rtf':
return StreamSvgIcon.filetypeRtf();
break;
case 'tar':
return StreamSvgIcon.filetypeTar();
break;
case 'txt':
return StreamSvgIcon.filetypeTxt();
break;
case 'xls':
return StreamSvgIcon.filetypeXls();
break;
case 'xlsx':
return StreamSvgIcon.filetypeXlsx();
break;
case 'zip':
return StreamSvgIcon.filetypeZip();
break;
default:
return StreamSvgIcon.filetypeGeneric();
break;
}
}
Widget wrapAttachmentWidget(
BuildContext context,
Widget attachmentWidget,
ShapeBorder attachmentShape,
bool reverse,
BorderRadius borderRadius,
) {
return ClipRRect(
borderRadius: borderRadius,
child: Material(
clipBehavior: Clip.antiAlias,
shape: attachmentShape,
type: MaterialType.transparency,
child: Transform(
transform: Matrix4.rotationY(reverse ? pi : 0),
alignment: Alignment.center,
child: attachmentWidget,
),
),
);
}