367 lines
12 KiB
Dart
367 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:lemmy_api_client/pictrs.dart';
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import 'package:lemmy_api_client/v3.dart';
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import '../hooks/delayed_loading.dart';
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import '../hooks/image_picker.dart';
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import '../hooks/logged_in_action.dart';
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import '../hooks/memo_future.dart';
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import '../hooks/stores.dart';
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import '../l10n/l10n.dart';
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import '../util/extensions/api.dart';
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import '../util/extensions/spaced.dart';
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import '../util/pictrs.dart';
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import '../widgets/editor.dart';
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import '../widgets/markdown_mode_icon.dart';
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import '../widgets/radio_picker.dart';
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import 'full_post/full_post.dart';
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/// Fab that triggers the [CreatePost] modal
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/// After creation it will navigate to the newly created post
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class CreatePostFab extends HookWidget {
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final CommunityView? community;
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const CreatePostFab({this.community});
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@override
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Widget build(BuildContext context) {
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final loggedInAction = useAnyLoggedInAction();
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return FloatingActionButton(
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onPressed: loggedInAction((_) async {
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final postView = await Navigator.of(context).push(
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community == null
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? CreatePostPage.route()
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: CreatePostPage.toCommunityRoute(community!),
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);
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if (postView != null) {
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await Navigator.of(context)
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.push(FullPostPage.fromPostViewRoute(postView));
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}
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}),
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child: const Icon(Icons.add),
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);
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}
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}
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/// Modal for creating a post to some community in some instance
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/// Pops the navigator stack with a [PostView]
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class CreatePostPage extends HookWidget {
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final CommunityView? community;
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final bool _isEdit;
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final Post? post;
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const CreatePostPage()
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: community = null,
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_isEdit = false,
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post = null;
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const CreatePostPage.toCommunity(CommunityView this.community)
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: _isEdit = false,
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post = null;
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const CreatePostPage.edit(Post this.post)
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: _isEdit = true,
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community = null;
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@override
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Widget build(BuildContext context) {
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final urlController =
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useTextEditingController(text: _isEdit ? post?.url : null);
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final titleController =
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useTextEditingController(text: _isEdit ? post?.name : null);
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final bodyController =
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useTextEditingController(text: _isEdit ? post?.body : null);
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final accStore = useAccountsStore();
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final selectedInstance = useState(_isEdit
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? post!.instanceHost
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: community?.instanceHost ?? accStore.loggedInInstances.first);
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final selectedCommunity = useState(community);
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final showFancy = useState(false);
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final nsfw = useState(_isEdit && post!.nsfw);
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final delayed = useDelayedLoading();
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final imagePicker = useImagePicker();
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final imageUploadLoading = useState(false);
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final pictrsDeleteToken = useState<PictrsUploadFile?>(null);
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final loggedInAction = useLoggedInAction(selectedInstance.value);
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final titleFocusNode = useFocusNode();
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final bodyFocusNode = useFocusNode();
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final allCommunitiesSnap = useMemoFuture(
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() => LemmyApiV3(selectedInstance.value)
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.run(ListCommunities(
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type: PostListingType.all,
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sort: SortType.hot,
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limit: 9999,
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auth: accStore.defaultUserDataFor(selectedInstance.value)?.jwt.raw,
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))
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.then(
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(value) {
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value.sort((a, b) => a.community.name.compareTo(b.community.name));
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return value;
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},
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),
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[selectedInstance.value],
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);
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uploadPicture(Jwt token) async {
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try {
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final pic = await imagePicker.pickImage(source: ImageSource.gallery);
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// pic is null when the picker was cancelled
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if (pic != null) {
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imageUploadLoading.value = true;
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final pictrs = PictrsApi(selectedInstance.value);
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final upload =
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await pictrs.upload(filePath: pic.path, auth: token.raw);
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pictrsDeleteToken.value = upload.files[0];
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urlController.text =
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pathToPictrs(selectedInstance.value, upload.files[0].file);
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}
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} catch (e) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Failed to upload image')));
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} finally {
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imageUploadLoading.value = false;
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}
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}
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removePicture(PictrsUploadFile deleteToken) {
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PictrsApi(selectedInstance.value).delete(deleteToken).catchError((_) {});
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pictrsDeleteToken.value = null;
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urlController.text = '';
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}
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final instanceDropdown = RadioPicker<String>(
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values: accStore.loggedInInstances.toList(),
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groupValue: selectedInstance.value,
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onChanged: _isEdit ? null : (value) => selectedInstance.value = value,
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buttonBuilder: (context, displayValue, onPressed) => TextButton(
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onPressed: onPressed,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(displayValue),
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const Icon(Icons.arrow_drop_down),
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],
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),
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),
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);
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DropdownMenuItem<int> communityDropDownItem(CommunityView e) =>
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DropdownMenuItem(
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value: e.community.id,
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child: Text(e.community.local
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? e.community.name
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: '${e.community.originInstanceHost}/${e.community.name}'),
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);
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List<DropdownMenuItem<int>> communitiesList() {
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if (allCommunitiesSnap.hasData) {
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return allCommunitiesSnap.data!.map(communityDropDownItem).toList();
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} else {
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if (selectedCommunity.value != null) {
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return [communityDropDownItem(selectedCommunity.value!)];
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} else {
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return const [
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DropdownMenuItem(
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value: -1,
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child: CircularProgressIndicator.adaptive(),
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)
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];
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}
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}
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}
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handleSubmit(Jwt token) async {
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if ((!_isEdit && selectedCommunity.value == null) ||
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titleController.text.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
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content: Text('Choosing a community and a title is required'),
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));
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return;
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}
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final api = LemmyApiV3(selectedInstance.value);
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delayed.start();
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try {
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final res = await () {
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if (_isEdit) {
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return api.run(EditPost(
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url: urlController.text.isEmpty ? null : urlController.text,
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body: bodyController.text.isEmpty ? null : bodyController.text,
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nsfw: nsfw.value,
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name: titleController.text,
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postId: post!.id,
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auth: token.raw,
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));
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} else {
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return api.run(CreatePost(
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url: urlController.text.isEmpty ? null : urlController.text,
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body: bodyController.text.isEmpty ? null : bodyController.text,
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nsfw: nsfw.value,
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name: titleController.text,
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communityId: selectedCommunity.value!.community.id,
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auth: token.raw,
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));
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}
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}();
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Navigator.of(context).pop(res);
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return;
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} catch (e) {
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ScaffoldMessenger.of(context)
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.showSnackBar(const SnackBar(content: Text('Failed to post')));
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}
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delayed.cancel();
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}
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// TODO: use lazy autocomplete
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final communitiesDropdown = InputDecorator(
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decoration: const InputDecoration(
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contentPadding: EdgeInsets.symmetric(vertical: 1, horizontal: 20),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.all(Radius.circular(10)),
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),
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),
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child: DropdownButtonHideUnderline(
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child: DropdownButton<int>(
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value: selectedCommunity.value?.community.id,
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hint: Text(L10n.of(context).community),
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onChanged: _isEdit
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? null
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: (communityId) {
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selectedCommunity.value = allCommunitiesSnap.data
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?.firstWhere((e) => e.community.id == communityId);
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},
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items: communitiesList(),
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),
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),
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);
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final enabledUrlField = pictrsDeleteToken.value == null;
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final url = Row(children: [
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Expanded(
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child: TextField(
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enabled: enabledUrlField,
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controller: urlController,
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autofillHints: enabledUrlField ? const [AutofillHints.url] : null,
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keyboardType: TextInputType.url,
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onSubmitted: (_) => titleFocusNode.requestFocus(),
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decoration: InputDecoration(
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labelText: L10n.of(context).url,
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suffixIcon: const Icon(Icons.link),
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),
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),
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),
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const SizedBox(width: 5),
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IconButton(
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icon: imageUploadLoading.value
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? const CircularProgressIndicator.adaptive()
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: Icon(pictrsDeleteToken.value == null
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? Icons.add_photo_alternate
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: Icons.close),
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onPressed: pictrsDeleteToken.value == null
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? loggedInAction(uploadPicture)
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: () => removePicture(pictrsDeleteToken.value!),
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tooltip:
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pictrsDeleteToken.value == null ? 'Add picture' : 'Delete picture',
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)
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]);
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final title = TextField(
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controller: titleController,
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focusNode: titleFocusNode,
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keyboardType: TextInputType.text,
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textCapitalization: TextCapitalization.sentences,
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onSubmitted: (_) => bodyFocusNode.requestFocus(),
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minLines: 1,
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maxLines: 2,
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decoration: InputDecoration(labelText: L10n.of(context).title),
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);
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final body = Editor(
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controller: bodyController,
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focusNode: bodyFocusNode,
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onSubmitted: (_) =>
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delayed.pending ? () {} : loggedInAction(handleSubmit),
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labelText: L10n.of(context).body,
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instanceHost: selectedInstance.value,
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fancy: showFancy.value,
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);
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return Scaffold(
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appBar: AppBar(
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leading: const CloseButton(),
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actions: [
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IconButton(
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icon: markdownModeIcon(fancy: showFancy.value),
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onPressed: () => showFancy.value = !showFancy.value,
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),
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],
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),
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body: SafeArea(
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child: ListView(
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padding: const EdgeInsets.all(5),
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children: [
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instanceDropdown,
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if (!_isEdit) communitiesDropdown,
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url,
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title,
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body,
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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GestureDetector(
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onTap: () => nsfw.value = !nsfw.value,
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child: Row(
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children: [
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Checkbox(
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value: nsfw.value,
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onChanged: (val) {
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if (val != null) nsfw.value = val;
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},
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),
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Text(L10n.of(context).nsfw)
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],
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),
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),
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TextButton(
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onPressed:
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delayed.pending ? () {} : loggedInAction(handleSubmit),
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child: delayed.loading
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? const CircularProgressIndicator.adaptive()
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: Text(_isEdit
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? L10n.of(context).edit
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: L10n.of(context).post),
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)
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],
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),
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].spaced(6),
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),
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),
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);
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}
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static Route<PostView> route() => MaterialPageRoute(
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builder: (context) => const CreatePostPage(),
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fullscreenDialog: true,
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);
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static Route<PostView> toCommunityRoute(CommunityView community) =>
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MaterialPageRoute(
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builder: (context) => CreatePostPage.toCommunity(community),
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fullscreenDialog: true,
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);
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static Route<PostView> editRoute(Post post) => MaterialPageRoute(
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builder: (context) => CreatePostPage.edit(post),
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fullscreenDialog: true,
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);
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}
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