356 lines
17 KiB
Dart
356 lines
17 KiB
Dart
import 'package:permission_handler/permission_handler.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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import 'global_helper_functions.dart';
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import 'database_helper.dart';
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import 'dart:io';
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class EditNotes extends StatefulWidget {
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final String mapLocation;
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EditNotes({
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Key key,
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this.mapLocation,
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}) : super(key: key);
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@override
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_EditNotesState createState() => _EditNotesState();
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}
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class _EditNotesState extends State<EditNotes> {
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final double textHeight = 1.5;
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final _textEditingController = TextEditingController();
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final dbHelper = DatabaseHelper.instance;
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String _inputText = '';
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String _oldNotes = '';
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@override
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void initState() {
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super.initState();
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loadNotes();
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}
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@override
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Widget build(BuildContext context) {
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Future<bool> _requestPop() {
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if (_inputText != _oldNotes) {
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (BuildContext context) {
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return AlertDialog(
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backgroundColor: ivory,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(6.0)),
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),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Text(
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'Discard your changes?',
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textAlign: TextAlign.center,
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),
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Container(
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margin: EdgeInsets.only(
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top: 40,
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bottom: 10,
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),
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child: Wrap(
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runSpacing: 30,
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children: <Widget>[
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Container(
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margin: EdgeInsets.symmetric(
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horizontal: 15,
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),
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child: ButtonTheme(
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height: 75,
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child: RaisedButton(
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color: peacockBlue,
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child: Text(
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"No",
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style: TextStyle(
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height: textHeight,
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color: Colors.white,
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fontSize: 24,
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),
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),
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onPressed: () {
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Navigator.of(context).pop();
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}),
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),
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),
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Container(
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margin: EdgeInsets.symmetric(
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horizontal: 15,
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),
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child: ButtonTheme(
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height: 75,
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child: RaisedButton(
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color: peacockBlue,
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child: Text(
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"Discard",
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style: TextStyle(
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height: textHeight,
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color: Colors.white,
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fontSize: 24,
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),
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),
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onPressed: () {
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Navigator.of(context).pop();
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Navigator.of(context).pop();
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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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);
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});
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return Future.value(false);
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} else {
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return Future.value(true);
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}
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}
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return WillPopScope(
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onWillPop: _requestPop,
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child: Scaffold(
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backgroundColor: ivory,
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appBar: AppBar(
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title: const Text('Notes, MarkDown Supported'),
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actions: <Widget>[
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IconButton(
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icon: Icon(Icons.save),
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onPressed: () async {
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Navigator.of(context).pop(this._inputText);
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Map<String, dynamic> row = {
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DatabaseHelper.columnMapLocation: widget.mapLocation,
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DatabaseHelper.columnNotes: this._inputText,
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};
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await dbHelper.update(row);
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}),
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],
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),
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body: Column(
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children: <Widget>[
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Expanded(
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child: TextField(
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controller: _textEditingController,
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keyboardType: TextInputType.multiline,
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maxLines: null,
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onChanged: (text) {
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_inputText = text;
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},
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),
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),
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Row(
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children: <Widget>[
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Expanded(
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child: Container(),
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),
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Container(
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margin: EdgeInsets.all(20.0),
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child: ButtonTheme(
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height: 55,
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padding: EdgeInsets.only(
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top: 5, right: 12, bottom: 12, left: 10),
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child: RaisedButton(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(6.0)),
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),
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color: peacockBlue,
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child: Text(
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'Import',
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style: TextStyle(
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height: textHeight,
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color: Colors.white,
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fontSize: 24,
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),
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),
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onPressed: () async {
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Map<PermissionGroup, PermissionStatus>
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_storagePermissions;
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PermissionStatus _storagePermission =
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await PermissionHandler().checkPermissionStatus(
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PermissionGroup.storage);
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if (_storagePermission == PermissionStatus.denied) {
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_storagePermissions = await PermissionHandler()
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.requestPermissions([PermissionGroup.storage]);
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}
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if ((_storagePermission ==
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PermissionStatus.granted) ||
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(_storagePermissions.toString() ==
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PermissionStatus.granted.toString())) {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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backgroundColor: ivory,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.all(
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Radius.circular(6.0)),
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),
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title: Text(
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'You can import a markdown (or plain text) file.',
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textAlign: TextAlign.center,
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style: TextStyle(
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color: candyApple,
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),
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),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Container(
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margin: EdgeInsets.only(
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top: 40,
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bottom: 10,
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),
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child: ButtonTheme(
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height: 55,
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padding: EdgeInsets.only(
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top: 5,
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right: 12,
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bottom: 12,
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left: 10),
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child: RaisedButton(
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shape: RoundedRectangleBorder(
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borderRadius:
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BorderRadius.all(
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Radius.circular(6.0)),
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),
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color: peacockBlue,
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child: Text(
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'Select File',
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style: TextStyle(
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height: textHeight,
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color: Colors.white,
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fontSize: 24,
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),
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),
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onPressed: () async {
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String _filePath;
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_filePath = await FilePicker
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.getFilePath(
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type: FileType.ANY);
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Navigator.of(context).pop();
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try {
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String _contents =
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await File(_filePath)
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.readAsString();
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setState(() {
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this
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._textEditingController
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.text = _contents;
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this._inputText =
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_contents;
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});
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} catch (e) {
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print(e);
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showDialog(
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context: context,
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builder: (BuildContext
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context) {
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return AlertDialog(
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backgroundColor:
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ivory,
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shape:
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RoundedRectangleBorder(
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borderRadius: BorderRadius
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.all(Radius
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.circular(
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6.0)),
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),
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title: Text(
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'Oops, something went wrong',
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textAlign:
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TextAlign
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.center,
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style: TextStyle(
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color:
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candyApple,
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),
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),
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content: Column(
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mainAxisSize:
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MainAxisSize
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.min,
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children: <
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Widget>[
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Container(
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margin:
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EdgeInsets
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.only(
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top: 40,
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bottom: 10,
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),
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child:
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ButtonTheme(
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height: 55,
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padding: EdgeInsets.only(
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top: 5,
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right:
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12,
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bottom:
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12,
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left:
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10),
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child: RaisedButton(
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shape: RoundedRectangleBorder(
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borderRadius:
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BorderRadius.all(Radius.circular(6.0)),
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),
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color: peacockBlue,
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child: Text(
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'OK',
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style:
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TextStyle(
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height:
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textHeight,
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color:
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Colors.white,
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fontSize:
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24,
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),
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),
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onPressed: () async {
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Navigator.of(context)
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.pop();
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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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}),
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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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),
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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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Future<void> loadNotes() async {
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String _notes = await dbHelper.queryNotes(widget.mapLocation);
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setState(() {
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_oldNotes = _notes;
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_textEditingController.text = _notes;
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_inputText = _notes;
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});
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}
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}
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