mirror of
https://gitlab.com/comunic/comunicmobile
synced 2024-11-22 21:09:21 +00:00
419 lines
11 KiB
Dart
419 lines
11 KiB
Dart
import 'dart:io';
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import 'package:comunic/enums/post_kind.dart';
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import 'package:comunic/enums/post_target.dart';
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import 'package:comunic/enums/post_visibility_level.dart';
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import 'package:comunic/helpers/posts_helper.dart';
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import 'package:comunic/models/new_post.dart';
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import 'package:comunic/ui/dialogs/input_url_dialog.dart';
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import 'package:comunic/ui/dialogs/input_youtube_link_dialog.dart';
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import 'package:comunic/ui/dialogs/new_survey_dialog.dart';
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import 'package:comunic/utils/files_utils.dart';
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import 'package:comunic/utils/intl_utils.dart';
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import 'package:comunic/utils/post_utils.dart';
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import 'package:comunic/utils/ui_utils.dart';
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import 'package:file_picker_cross/file_picker_cross.dart';
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import 'package:flutter/material.dart';
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/// Widget that allows to create posts
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///
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/// @author Pierre HUBERT
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const _ActiveButtonsColor = Colors.blue;
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const _ActiveButtonsTextColor = Colors.white;
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const _InactiveButtonsColor = Colors.grey;
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const _InactiveButtonsTextColor = Colors.black;
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class PostCreateFormWidget extends StatefulWidget {
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final PostTarget postTarget;
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final int targetID;
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final void Function() onCreated;
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const PostCreateFormWidget({
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Key key,
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@required this.postTarget,
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@required this.targetID,
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@required this.onCreated,
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}) : assert(postTarget != null),
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assert(targetID != null),
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super(key: key);
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@override
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_PostCreateFormWidgetState createState() => _PostCreateFormWidgetState();
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}
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class _PostCreateFormWidgetState extends State<PostCreateFormWidget> {
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// Helpers
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final PostsHelper _postHelper = PostsHelper();
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// Class members
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bool _isCreating = false;
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final TextEditingController _postTextController = TextEditingController();
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PostVisibilityLevel _postVisibilityLevel;
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File _postImage;
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String _postURL;
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List<int> _postPDF;
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DateTime _timeEnd;
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NewSurvey _postSurvey;
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String _youtubeID;
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bool get hasImage => _postImage != null;
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bool get hasURL => _postURL != null;
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bool get hasPDF => _postPDF != null;
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bool get hasTimeEnd => _timeEnd != null;
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bool get hasSurvey => _postSurvey != null;
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bool get hasYouTubeID => _youtubeID != null;
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bool get canSubmitForm =>
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!_isCreating && _postTextController.text.length > 5 ||
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postKind != PostKind.TEXT;
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PostKind get postKind {
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if (hasImage)
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return PostKind.IMAGE;
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else if (hasPDF)
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return PostKind.PDF;
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else if (hasURL)
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return PostKind.WEB_LINK;
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else if (hasTimeEnd)
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return PostKind.COUNTDOWN;
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else if (hasSurvey)
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return PostKind.SURVEY;
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else if (hasYouTubeID)
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return PostKind.YOUTUBE;
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else
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return PostKind.TEXT;
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}
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@override
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void initState() {
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super.initState();
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_resetForm();
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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children: <Widget>[
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// Post text content
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Padding(
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padding: const EdgeInsets.only(left: 8.0, right: 8.0),
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child: TextField(
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controller: _postTextController,
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minLines: 3,
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maxLines: 10,
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decoration: InputDecoration(hintText: tr("Create a new post...")),
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onChanged: (s) => setState(() {}),
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),
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),
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// Post options
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Padding(
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padding: const EdgeInsets.only(right: 16.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: <Widget>[
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// Text post button
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Expanded(
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: Row(
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children: <Widget>[
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_PostOptionWidget(
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icon: Icons.text_format,
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selected: postKind == PostKind.TEXT,
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onTap: _resetPostSelection),
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// Include image button
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_PostOptionWidget(
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icon: Icons.image,
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selected: postKind == PostKind.IMAGE,
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onTap: _pickImageForPost,
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),
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// Web link
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_PostOptionWidget(
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icon: Icons.link,
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selected: postKind == PostKind.WEB_LINK,
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onTap: _pickURLForPost,
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),
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// Include PDF button
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_PostOptionWidget(
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icon: Icons.picture_as_pdf,
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selected: postKind == PostKind.PDF,
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onTap: _pickPDFForPost,
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),
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// Add countdown timer
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_PostOptionWidget(
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icon: Icons.timer,
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selected: postKind == PostKind.COUNTDOWN,
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onTap: _pickCountdownTime,
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),
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// Add survey
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_PostOptionWidget(
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icon: Icons.insert_chart,
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selected: postKind == PostKind.SURVEY,
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onTap: _pickSurvey,
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),
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// Specify YouTube video ID
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_PostOptionWidget(
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icon: Icons.ondemand_video,
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selected: postKind == PostKind.YOUTUBE,
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onTap: _pickYouTubeVideo,
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),
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],
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),
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),
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),
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Container(width: 20),
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// Post visibility level
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_PostOptionWidget(
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icon: PostVisibilityLevelsMapIcons[_postVisibilityLevel],
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selected: false,
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customColor: Colors.black,
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onTap: _changeVisibilityLevel,
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),
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// Submit post button
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_isCreating
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? Container()
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: FlatButton(
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child: Text(tr("Send").toUpperCase()),
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onPressed: canSubmitForm ? _submitForm : null,
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color: _ActiveButtonsColor,
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textColor: _ActiveButtonsTextColor,
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disabledColor: _InactiveButtonsColor,
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disabledTextColor: _InactiveButtonsTextColor,
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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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/// Reset the form
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void _resetForm() {
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setState(() {
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_postVisibilityLevel = widget.postTarget == PostTarget.GROUP_PAGE
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? PostVisibilityLevel.GROUP_MEMBERS
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: PostVisibilityLevel.FRIENDS;
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_postTextController.text = "";
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_resetPostSelection();
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});
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}
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/// Change post visibility level
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Future<void> _changeVisibilityLevel() async {
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final newLevel = await showPostVisibilityPicker(
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context: context,
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initialLevel: _postVisibilityLevel,
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isGroup: widget.postTarget == PostTarget.GROUP_PAGE,
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);
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setState(() => _postVisibilityLevel = newLevel);
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}
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/// Remove all data attached to the post (image, etc...)
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void _resetPostSelection() {
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setState(() {
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_postImage = null;
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_postURL = null;
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_postPDF = null;
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_timeEnd = null;
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_postSurvey = null;
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_youtubeID = null;
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});
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}
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/// Pick an image for the new post
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Future<void> _pickImageForPost() async {
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final image = await pickImage(context);
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if (image == null) return;
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_resetPostSelection();
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setState(() {
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this._postImage = image;
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});
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}
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/// Choose a new URL for the post
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Future<void> _pickURLForPost() async {
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final url = await showInputURLDialog(
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context: context,
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title: tr("Specify URL"),
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initialURL: _postURL,
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);
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if (url == null) return;
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_resetPostSelection();
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setState(() {
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_postURL = url;
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});
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}
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/// Pick a PDF for the new post
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Future<void> _pickPDFForPost() async {
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try {
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final picker = FilePickerCross(
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type: FileTypeCross.custom,
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fileExtension: "pdf",
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);
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if (!await picker.pick()) return;
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_resetPostSelection();
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setState(() {
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this._postPDF = picker.toUint8List();
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});
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} catch (e, stack) {
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print("Pick PDF error: $e\n$stack");
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showSimpleSnack(context, tr("Could not pick a PDF!"));
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}
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}
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/// Pick countdown time
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Future<void> _pickCountdownTime() async {
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final yesterday = DateTime.now().subtract(Duration(days: 1));
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final initialDate = _timeEnd == null ? DateTime.now() : _timeEnd;
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// Pick date
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final newDate = await showDatePicker(
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context: context,
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initialDate: initialDate,
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firstDate: yesterday.isBefore(initialDate) ? yesterday : initialDate,
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lastDate: DateTime.now().add(Duration(days: 5000)));
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if (newDate == null) return;
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// Pick time
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final newTime = await showTimePicker(
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context: context,
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initialTime: TimeOfDay.fromDateTime(initialDate),
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);
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if (newTime == null) return;
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// Apply new selection
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_resetPostSelection();
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setState(() {
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_timeEnd = newDate.add(Duration(
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hours: newTime.hour - newDate.hour,
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minutes: newTime.minute - newDate.minute,
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seconds: -newDate.second));
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});
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}
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/// Pick a new survey for this post
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Future<void> _pickSurvey() async {
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final newSurvey =
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await showNewSurveyDialog(context: context, initialSurvey: _postSurvey);
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if (newSurvey == null) return;
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_resetPostSelection();
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setState(() {
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_postSurvey = newSurvey;
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});
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}
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/// Pick a new YouTube video
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Future<void> _pickYouTubeVideo() async {
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final youtubeID = await showInputYouTubeIDDialog(context, _youtubeID);
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if (youtubeID == null) return;
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_resetPostSelection();
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setState(() {
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_youtubeID = youtubeID;
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});
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}
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/// Submit new post
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Future<void> _submitForm() async {
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if (!canSubmitForm)
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showSimpleSnack(context, tr("Form can not be submitted at this point!"));
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setState(() => _isCreating = true);
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try {
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await _postHelper.createPost(NewPost(
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target: widget.postTarget,
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targetID: widget.targetID,
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visibility: _postVisibilityLevel,
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content: _postTextController.text,
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kind: postKind,
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image: _postImage,
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url: _postURL,
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pdf: _postPDF,
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timeEnd: _timeEnd,
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survey: _postSurvey,
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youtubeId: _youtubeID,
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));
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setState(() => _isCreating = false);
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showSimpleSnack(context, tr("The post has been successfully created!"));
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this._resetForm();
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widget.onCreated();
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} catch (e) {
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setState(() => _isCreating = false);
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print("Error while creating post : " + e.toString());
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showSimpleSnack(context, tr("Could not create post !"));
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}
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}
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}
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/// Widget for a single post option
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class _PostOptionWidget extends StatelessWidget {
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final IconData icon;
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final bool selected;
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final Color customColor;
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final void Function() onTap;
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const _PostOptionWidget(
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{Key key,
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@required this.icon,
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@required this.selected,
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@required this.onTap,
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this.customColor})
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: assert(icon != null),
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assert(selected != null),
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assert(onTap != null),
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super(key: key);
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bool get hasCustomColor => customColor != null;
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@override
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Widget build(BuildContext context) {
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return IconButton(
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icon: Icon(icon),
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onPressed: onTap,
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color: hasCustomColor
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? customColor
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: selected ? _ActiveButtonsColor : _InactiveButtonsColor,
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);
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}
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}
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