Files
App/lib/widgets/chat/chat_input.dart

1048 lines
45 KiB
Dart

import "dart:async";
import "package:easy_localization/easy_localization.dart";
import "package:flutter/material.dart";
import "package:flutter/services.dart";
import "package:flutter_hooks/flutter_hooks.dart";
import "package:flutter_typeahead/flutter_typeahead.dart";
import "package:gap/gap.dart";
import "package:hooks_riverpod/hooks_riverpod.dart";
import "package:image_picker/image_picker.dart";
import "package:island/models/account.dart";
import "package:island/models/autocomplete_response.dart";
import "package:island/models/chat.dart";
import "package:island/models/file.dart";
import "package:island/models/poll.dart";
import "package:island/models/publisher.dart";
import "package:island/models/wallet.dart";
import "package:island/models/realm.dart";
import "package:island/models/sticker.dart";
import "package:island/pods/config.dart";
import "package:island/services/autocomplete_service.dart";
import "package:island/services/responsive.dart";
import "package:island/widgets/content/attachment_preview.dart";
import "package:island/widgets/content/cloud_files.dart";
import "package:island/widgets/shared/upload_menu.dart";
import "package:material_symbols_icons/material_symbols_icons.dart";
import "package:pasteboard/pasteboard.dart";
import "package:styled_widget/styled_widget.dart";
import "package:material_symbols_icons/symbols.dart";
import "package:island/widgets/stickers/sticker_picker.dart";
import "package:island/pods/chat/chat_subscribe.dart";
import "package:island/widgets/post/compose_poll.dart";
import "package:island/widgets/post/compose_fund.dart";
void _insertPlaceholder(TextEditingController controller, String placeholder) {
final text = controller.text;
final selection = controller.selection;
final start = selection.start >= 0 ? selection.start : text.length;
final end = selection.end >= 0 ? selection.end : text.length;
final newText = text.replaceRange(start, end, placeholder);
controller.value = TextEditingValue(
text: newText,
selection: TextSelection.collapsed(offset: start + placeholder.length),
);
}
const kInputDrawerExpandedHeight = 180.0;
class _ExpandedSection extends StatelessWidget {
final TextEditingController messageController;
final SnPoll? selectedPoll;
final Function(SnPoll?) onPollSelected;
final SnWalletFund? selectedFund;
final Function(SnWalletFund?) onFundSelected;
const _ExpandedSection({
required this.messageController,
this.selectedPoll,
required this.onPollSelected,
this.selectedFund,
required this.onFundSelected,
});
@override
Widget build(BuildContext context) {
return Container(
key: const ValueKey('expanded'),
decoration: BoxDecoration(
border: Border.all(width: 1, color: Theme.of(context).dividerColor),
borderRadius: const BorderRadius.all(Radius.circular(32)),
),
margin: const EdgeInsets.only(top: 8, bottom: 3),
child: ClipRRect(
borderRadius: const BorderRadius.all(Radius.circular(32)),
child: DefaultTabController(
length: 2,
child: Column(
children: [
TabBar(
splashBorderRadius: const BorderRadius.all(Radius.circular(40)),
tabs: [Tab(text: 'Features'), Tab(text: 'Stickers')],
),
SizedBox(
height: kInputDrawerExpandedHeight,
child: TabBarView(
children: [
SizedBox(
height:
kInputDrawerExpandedHeight -
48, // subtract tab bar height approx
child: GridView(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
gridDelegate:
const SliverGridDelegateWithMaxCrossAxisExtent(
maxCrossAxisExtent: 120,
childAspectRatio: 1, // 1:1 aspect ratio
mainAxisSpacing: 8,
crossAxisSpacing: 8,
),
children: [
InkWell(
borderRadius: const BorderRadius.all(
Radius.circular(8),
),
onTap: () async {
final poll = await showModalBottomSheet<SnPoll>(
context: context,
isScrollControlled: true,
builder: (context) => const ComposePollSheet(),
);
if (poll != null) {
onPollSelected(poll);
}
},
child: Card(
margin: EdgeInsets.zero,
color:
Theme.of(
context,
).colorScheme.surfaceContainer,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Symbols.poll),
const Gap(4),
Text(
'Poll',
style:
Theme.of(context).textTheme.bodySmall,
),
],
),
),
),
InkWell(
borderRadius: const BorderRadius.all(
Radius.circular(8),
),
onTap: () async {
final fund =
await showModalBottomSheet<SnWalletFund>(
context: context,
isScrollControlled: true,
builder:
(context) => const ComposeFundSheet(),
);
if (fund != null) {
onFundSelected(fund);
}
},
child: Card(
margin: EdgeInsets.zero,
color:
Theme.of(
context,
).colorScheme.surfaceContainer,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Symbols.currency_exchange),
const Gap(4),
Text(
'fund'.tr(),
style:
Theme.of(context).textTheme.bodySmall,
),
],
),
),
),
],
),
),
StickerPickerEmbedded(
height: kInputDrawerExpandedHeight,
onPick:
(placeholder) => _insertPlaceholder(
messageController,
placeholder,
),
),
],
),
),
],
),
),
),
);
}
}
class ChatInput extends HookConsumerWidget {
final TextEditingController messageController;
final SnChatRoom chatRoom;
final VoidCallback onSend;
final VoidCallback onClear;
final Function(bool isPhoto) onPickFile;
final VoidCallback onPickAudio;
final VoidCallback onPickGeneralFile;
final VoidCallback? onLinkAttachment;
final SnChatMessage? messageReplyingTo;
final SnChatMessage? messageForwardingTo;
final SnChatMessage? messageEditingTo;
final List<UniversalFile> attachments;
final Function(int) onUploadAttachment;
final Function(int) onDeleteAttachment;
final Function(int, int) onMoveAttachment;
final Function(List<UniversalFile>) onAttachmentsChanged;
final Map<String, Map<int, double?>> attachmentProgress;
final SnPoll? selectedPoll;
final Function(SnPoll?) onPollSelected;
final SnWalletFund? selectedFund;
final Function(SnWalletFund?) onFundSelected;
const ChatInput({
super.key,
required this.messageController,
required this.chatRoom,
required this.onSend,
required this.onClear,
required this.onPickFile,
required this.onPickAudio,
required this.onPickGeneralFile,
this.onLinkAttachment,
required this.messageReplyingTo,
required this.messageForwardingTo,
required this.messageEditingTo,
required this.attachments,
required this.onUploadAttachment,
required this.onDeleteAttachment,
required this.onMoveAttachment,
required this.onAttachmentsChanged,
required this.attachmentProgress,
this.selectedPoll,
required this.onPollSelected,
this.selectedFund,
required this.onFundSelected,
});
@override
Widget build(BuildContext context, WidgetRef ref) {
final inputFocusNode = useFocusNode();
final chatSubscribe = ref.watch(chatSubscribeNotifierProvider(chatRoom.id));
final isExpanded = useState(false);
void send() {
inputFocusNode.requestFocus();
onSend.call();
}
void insertNewLine() {
final text = messageController.text;
final selection = messageController.selection;
final start = selection.start >= 0 ? selection.start : text.length;
final end = selection.end >= 0 ? selection.end : text.length;
final newText = text.replaceRange(start, end, '\n');
messageController.value = TextEditingValue(
text: newText,
selection: TextSelection.collapsed(offset: start + 1),
);
}
Future<void> handlePaste() async {
final image = await Pasteboard.image;
if (image != null) {
onAttachmentsChanged([
...attachments,
UniversalFile(
data: XFile.fromData(image, mimeType: "image/jpeg"),
type: UniversalFileType.image,
),
]);
return;
}
final textData = await Clipboard.getData(Clipboard.kTextPlain);
if (textData != null && textData.text != null) {
final text = messageController.text;
final selection = messageController.selection;
final start = selection.start >= 0 ? selection.start : text.length;
final end = selection.end >= 0 ? selection.end : text.length;
final newText = text.replaceRange(start, end, textData.text!);
messageController.value = TextEditingValue(
text: newText,
selection: TextSelection.collapsed(
offset: start + textData.text!.length,
),
);
}
}
final settings = ref.watch(appSettingsNotifierProvider);
inputFocusNode.onKeyEvent = (node, event) {
if (event is! KeyDownEvent) return KeyEventResult.ignored;
final isPaste = event.logicalKey == LogicalKeyboardKey.keyV;
final isModifierPressed =
HardwareKeyboard.instance.isMetaPressed ||
HardwareKeyboard.instance.isControlPressed;
if (isPaste && isModifierPressed) {
handlePaste();
return KeyEventResult.handled;
}
final enterToSend = settings.enterToSend;
final isEnter = event.logicalKey == LogicalKeyboardKey.enter;
if (isEnter) {
if (isModifierPressed) {
insertNewLine();
return KeyEventResult.handled;
} else if (enterToSend) {
send();
return KeyEventResult.handled;
}
}
return KeyEventResult.ignored;
};
final double leftMargin = isWideScreen(context) ? 8 : 16;
final double rightMargin = isWideScreen(context) ? leftMargin + 8 : 16;
const double bottomMargin = 16;
return Container(
margin: EdgeInsets.only(
left: leftMargin,
right: rightMargin,
bottom: bottomMargin,
),
child: Material(
elevation: 2,
color: Theme.of(context).colorScheme.surfaceContainerHighest,
borderRadius: BorderRadius.circular(32),
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 8),
child: Column(
children: [
AnimatedSwitcher(
duration: const Duration(milliseconds: 150),
switchInCurve: Curves.fastEaseInToSlowEaseOut,
switchOutCurve: Curves.fastEaseInToSlowEaseOut,
transitionBuilder: (Widget child, Animation<double> animation) {
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, -0.3),
end: Offset.zero,
).animate(
CurvedAnimation(
parent: animation,
curve: Curves.easeOutCubic,
),
),
child: SizeTransition(
sizeFactor: animation,
axisAlignment: -1.0,
child: FadeTransition(opacity: animation, child: child),
),
);
},
child:
chatSubscribe.isNotEmpty
? Container(
key: const ValueKey('typing-indicator'),
width: double.infinity,
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 4,
),
child: Row(
children: [
const Icon(
Symbols.more_horiz,
size: 16,
).padding(horizontal: 8),
const Gap(8),
Expanded(
child: Text(
'typingHint'.plural(
chatSubscribe.length,
args: [
chatSubscribe
.map((x) => x.nick ?? x.account.nick)
.join(', '),
],
),
style: Theme.of(context).textTheme.bodySmall,
),
),
],
),
)
: const SizedBox.shrink(
key: ValueKey('typing-indicator-none'),
),
),
AnimatedSwitcher(
duration: const Duration(milliseconds: 250),
switchInCurve: Curves.easeOutCubic,
switchOutCurve: Curves.easeInCubic,
transitionBuilder: (Widget child, Animation<double> animation) {
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, 0.1),
end: Offset.zero,
).animate(animation),
child: FadeTransition(
opacity: animation,
child: SizeTransition(
sizeFactor: animation,
axisAlignment: -1.0,
child: child,
),
),
);
},
child:
attachments.isNotEmpty
? SizedBox(
key: ValueKey('attachments-${attachments.length}'),
height: 180,
child: ListView.separated(
padding: EdgeInsets.symmetric(horizontal: 12),
scrollDirection: Axis.horizontal,
itemCount: attachments.length,
itemBuilder: (context, idx) {
return SizedBox(
width: 180,
child: AttachmentPreview(
isCompact: true,
item: attachments[idx],
progress:
attachmentProgress['chat-upload']?[idx],
onRequestUpload:
() => onUploadAttachment(idx),
onDelete: () => onDeleteAttachment(idx),
onUpdate: (value) {
attachments[idx] = value;
onAttachmentsChanged(attachments);
},
onMove:
(delta) => onMoveAttachment(idx, delta),
),
);
},
separatorBuilder: (_, _) => const Gap(8),
),
).padding(vertical: 12)
: const SizedBox.shrink(
key: ValueKey('no-attachments'),
),
),
AnimatedSwitcher(
duration: const Duration(milliseconds: 200),
switchInCurve: Curves.easeOutCubic,
switchOutCurve: Curves.easeInCubic,
transitionBuilder: (Widget child, Animation<double> animation) {
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, -0.25),
end: Offset.zero,
).animate(animation),
child: FadeTransition(
opacity: animation,
child: SizeTransition(
sizeFactor: animation,
axisAlignment: -1.0,
child: child,
),
),
);
},
child:
selectedPoll != null
? Container(
key: const ValueKey('selected-poll'),
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
decoration: BoxDecoration(
color:
Theme.of(
context,
).colorScheme.surfaceContainerHigh,
borderRadius: BorderRadius.circular(24),
border: Border.all(
color: Theme.of(
context,
).colorScheme.outline.withOpacity(0.2),
width: 1,
),
),
margin: const EdgeInsets.only(
left: 8,
right: 8,
top: 8,
bottom: 8,
),
child: Row(
children: [
Icon(
Symbols.how_to_vote,
size: 18,
color: Theme.of(context).colorScheme.primary,
),
const Gap(8),
Expanded(
child: Text(
selectedPoll!.title ?? 'Poll',
style: Theme.of(context).textTheme.bodySmall!
.copyWith(fontWeight: FontWeight.w500),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
SizedBox(
width: 24,
height: 24,
child: IconButton(
padding: EdgeInsets.zero,
icon: const Icon(Icons.close, size: 18),
onPressed: () => onPollSelected(null),
tooltip: 'clear'.tr(),
),
),
],
),
)
: const SizedBox.shrink(
key: ValueKey('no-selected-poll'),
),
),
AnimatedSwitcher(
duration: const Duration(milliseconds: 200),
switchInCurve: Curves.easeOutCubic,
switchOutCurve: Curves.easeInCubic,
transitionBuilder: (Widget child, Animation<double> animation) {
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, -0.25),
end: Offset.zero,
).animate(animation),
child: FadeTransition(
opacity: animation,
child: SizeTransition(
sizeFactor: animation,
axisAlignment: -1.0,
child: child,
),
),
);
},
child:
selectedFund != null
? Container(
key: const ValueKey('selected-fund'),
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
decoration: BoxDecoration(
color:
Theme.of(
context,
).colorScheme.surfaceContainerHigh,
borderRadius: BorderRadius.circular(24),
border: Border.all(
color: Theme.of(
context,
).colorScheme.outline.withOpacity(0.2),
width: 1,
),
),
margin: const EdgeInsets.only(
left: 8,
right: 8,
top: 8,
bottom: 8,
),
child: Row(
children: [
Icon(
Symbols.currency_exchange,
size: 18,
color: Theme.of(context).colorScheme.primary,
),
const Gap(8),
Expanded(
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'${selectedFund!.totalAmount.toStringAsFixed(2)} ${selectedFund!.currency}',
style: Theme.of(
context,
).textTheme.bodySmall!.copyWith(
fontWeight: FontWeight.w500,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
if (selectedFund!.message != null)
Padding(
padding: const EdgeInsets.only(top: 2),
child: Text(
selectedFund!.message!,
style: Theme.of(
context,
).textTheme.bodySmall!.copyWith(
fontSize: 10,
color:
Theme.of(
context,
).colorScheme.onSurfaceVariant,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
],
),
),
SizedBox(
width: 24,
height: 24,
child: IconButton(
padding: EdgeInsets.zero,
icon: const Icon(Icons.close, size: 18),
onPressed: () => onFundSelected(null),
tooltip: 'clear'.tr(),
),
),
],
),
)
: const SizedBox.shrink(
key: ValueKey('no-selected-fund'),
),
),
AnimatedSwitcher(
duration: const Duration(milliseconds: 200),
switchInCurve: Curves.easeOutCubic,
switchOutCurve: Curves.easeInCubic,
transitionBuilder: (Widget child, Animation<double> animation) {
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, -0.2),
end: Offset.zero,
).animate(animation),
child: FadeTransition(
opacity: animation,
child: SizeTransition(
sizeFactor: animation,
axisAlignment: -1.0,
child: child,
),
),
);
},
child:
(messageReplyingTo != null ||
messageForwardingTo != null ||
messageEditingTo != null)
? Container(
key: ValueKey(
messageReplyingTo?.id ??
messageForwardingTo?.id ??
messageEditingTo?.id ??
'action',
),
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
decoration: BoxDecoration(
color:
Theme.of(
context,
).colorScheme.surfaceContainerHigh,
borderRadius: BorderRadius.circular(24),
border: Border.all(
color: Theme.of(
context,
).colorScheme.outline.withOpacity(0.2),
width: 1,
),
),
margin: const EdgeInsets.only(
left: 8,
right: 8,
top: 8,
bottom: 8,
),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
messageReplyingTo != null
? Symbols.reply
: messageForwardingTo != null
? Symbols.forward
: Symbols.edit,
size: 18,
color:
Theme.of(context).colorScheme.primary,
),
const Gap(8),
Expanded(
child: Text(
messageReplyingTo != null
? 'chatReplyingTo'.tr(
args: [
messageReplyingTo
?.sender
.account
.nick ??
'unknown'.tr(),
],
)
: messageForwardingTo != null
? 'chatForwarding'.tr()
: 'chatEditing'.tr(),
style: Theme.of(
context,
).textTheme.bodySmall!.copyWith(
fontWeight: FontWeight.w500,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
SizedBox(
width: 24,
height: 24,
child: IconButton(
padding: EdgeInsets.zero,
icon: const Icon(Icons.close, size: 18),
onPressed: onClear,
tooltip: 'clear'.tr(),
),
),
],
),
if (messageReplyingTo != null ||
messageForwardingTo != null ||
messageEditingTo != null)
Padding(
padding: const EdgeInsets.only(
top: 6,
left: 26,
),
child: Text(
(messageReplyingTo ??
messageForwardingTo ??
messageEditingTo)
?.content ??
'chatNoContent'.tr(),
style: Theme.of(
context,
).textTheme.bodySmall!.copyWith(
color:
Theme.of(
context,
).colorScheme.onSurfaceVariant,
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
),
],
),
)
: const SizedBox.shrink(key: ValueKey('no-action')),
),
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisSize: MainAxisSize.min,
children: [
IconButton(
tooltip:
isExpanded.value ? 'collapse'.tr() : 'more'.tr(),
icon: AnimatedSwitcher(
duration: const Duration(milliseconds: 200),
transitionBuilder:
(child, animation) => FadeTransition(
opacity: animation,
child: child,
),
child:
isExpanded.value
? const Icon(
Symbols.close,
key: ValueKey('close'),
)
: const Icon(
Symbols.add,
key: ValueKey('add'),
),
),
onPressed: () {
isExpanded.value = !isExpanded.value;
},
),
UploadMenu(
items: [
UploadMenuItemData(
Symbols.add_a_photo,
'addPhoto',
() => onPickFile(true),
),
UploadMenuItemData(
Symbols.videocam,
'addVideo',
() => onPickFile(false),
),
UploadMenuItemData(
Symbols.mic,
'addAudio',
onPickAudio,
),
UploadMenuItemData(
Symbols.file_upload,
'uploadFile',
onPickGeneralFile,
),
if (onLinkAttachment != null)
UploadMenuItemData(
Symbols.attach_file,
'linkAttachment',
onLinkAttachment!,
),
],
iconColor: Theme.of(context).colorScheme.onSurface,
),
],
),
Expanded(
child: TypeAheadField<AutocompleteSuggestion>(
controller: messageController,
focusNode: inputFocusNode,
builder: (context, controller, focusNode) {
return TextField(
focusNode: focusNode,
controller: controller,
keyboardType: TextInputType.multiline,
decoration: InputDecoration(
hintMaxLines: 1,
hintText:
(chatRoom.type == 1 && chatRoom.name == null)
? 'chatDirectMessageHint'.tr(
args: [
chatRoom.members!
.map((e) => e.account.nick)
.join(', '),
],
)
: 'chatMessageHint'.tr(
args: [chatRoom.name!],
),
border: InputBorder.none,
isDense: true,
contentPadding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 12,
),
counterText:
messageController.text.length > 1024
? '${messageController.text.length}/4096'
: null,
),
maxLines: 5,
minLines: 1,
onTapOutside:
(_) =>
FocusManager.instance.primaryFocus?.unfocus(),
textInputAction:
settings.enterToSend
? TextInputAction.send
: null,
onSubmitted:
settings.enterToSend ? (_) => send() : null,
);
},
suggestionsCallback: (pattern) async {
// Only trigger on @ or :
final atIndex = pattern.lastIndexOf('@');
final colonIndex = pattern.lastIndexOf(':');
final triggerIndex =
atIndex > colonIndex ? atIndex : colonIndex;
if (triggerIndex == -1) return [];
final chopped = pattern.substring(triggerIndex);
if (chopped.contains(' ')) return [];
final service = ref.read(autocompleteServiceProvider);
try {
return await service.getSuggestions(
chatRoom.id,
chopped,
);
} catch (e) {
return [];
}
},
itemBuilder: (context, suggestion) {
String title = 'unknown'.tr();
Widget leading = Icon(Symbols.help);
switch (suggestion.type) {
case 'user':
final user = SnAccount.fromJson(suggestion.data);
title = user.nick;
leading = ProfilePictureWidget(
file: user.profile.picture,
radius: 18,
);
break;
case 'chatroom':
final chatRoom = SnChatRoom.fromJson(
suggestion.data,
);
title = chatRoom.name ?? 'Chat Room';
leading = ProfilePictureWidget(
file: chatRoom.picture,
radius: 18,
);
break;
case 'realm':
final realm = SnRealm.fromJson(suggestion.data);
title = realm.name;
leading = ProfilePictureWidget(
file: realm.picture,
radius: 18,
);
break;
case 'publisher':
final publisher = SnPublisher.fromJson(
suggestion.data,
);
title = publisher.name;
leading = ProfilePictureWidget(
file: publisher.picture,
radius: 18,
);
break;
case 'sticker':
final sticker = SnSticker.fromJson(suggestion.data);
title = sticker.slug;
leading = ClipRRect(
borderRadius: BorderRadius.circular(8),
child: SizedBox(
width: 28,
height: 28,
child: CloudImageWidget(
fileId: sticker.image.id,
),
),
);
break;
default:
}
return ListTile(
leading: leading,
title: Text(title),
subtitle: Text(suggestion.keyword),
dense: true,
);
},
onSelected: (suggestion) {
final text = messageController.text;
final atIndex = text.lastIndexOf('@');
final colonIndex = text.lastIndexOf(':');
final triggerIndex =
atIndex > colonIndex ? atIndex : colonIndex;
if (triggerIndex == -1) return;
final newText = text.replaceRange(
triggerIndex,
text.length,
suggestion.keyword,
);
messageController.value = TextEditingValue(
text: newText,
selection: TextSelection.collapsed(
offset: triggerIndex + suggestion.keyword.length,
),
);
},
direction: VerticalDirection.up,
hideOnEmpty: true,
hideOnLoading: true,
debounceDuration: const Duration(milliseconds: 1000),
),
),
IconButton(
icon: const Icon(Icons.send),
color: Theme.of(context).colorScheme.primary,
onPressed: send,
),
],
),
AnimatedSwitcher(
duration: const Duration(milliseconds: 200),
switchInCurve: Curves.easeOutCubic,
switchOutCurve: Curves.easeInCubic,
transitionBuilder: (Widget child, Animation<double> animation) {
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(0, 0.1),
end: Offset.zero,
).animate(animation),
child: FadeTransition(
opacity: animation,
child: SizeTransition(
sizeFactor: animation,
axisAlignment: -1.0,
child: child,
),
),
);
},
child:
isExpanded.value
? _ExpandedSection(
messageController: messageController,
selectedPoll: selectedPoll,
onPollSelected: onPollSelected,
selectedFund: selectedFund,
onFundSelected: onFundSelected,
)
: const SizedBox.shrink(key: ValueKey('collapsed')),
),
],
),
),
),
);
}
}