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Settings: Allow the fontSize of the viewer to be changed

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No ui has been created for this so far.
This commit is contained in:
Vishesh Handa
2019-08-14 18:49:54 +02:00
parent ad3db26a5b
commit 8bc9ac9170
2 changed files with 42 additions and 3 deletions
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4
lib/screens/note_viewer.dart
View File

@ -5,6 +5,7 @@ import 'package:flutter_markdown/flutter_markdown.dart';
import 'package:journal/note.dart';
import 'package:journal/state_container.dart';
import 'package:journal/utils.dart';
import 'package:journal/settings.dart';
import 'package:journal/widgets/note_header.dart';
import 'package:share/share.dart';
@ -133,7 +134,8 @@ class NoteViewer extends StatelessWidget {
ThemeData theme = Theme.of(context);
theme = theme.copyWith(
textTheme: theme.textTheme.copyWith(
body1: theme.textTheme.body1.copyWith(fontSize: 18.0),
body1: theme.textTheme.body1
.copyWith(fontSize: Settings.instance.getNoteViewerFontSize()),
),
);

41
lib/settings.dart
View File

@ -1,23 +1,60 @@
import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter/foundation.dart';
enum NoteViewerFontSize { Normal, Small, ExtraSmall, Large, ExtraLarge }
class Settings {
static List<Function> changeObservers;
// singleton
static final Settings _singleton = Settings._internal();
factory Settings() => _singleton;
Settings._internal();
static Settings get instance => _singleton;
// Properties
String gitAuthor = "GitJournal";
String gitAuthorEmail = "app@gitjournal.io";
NoteViewerFontSize noteViewerFontSize = NoteViewerFontSize.Normal;
void load(SharedPreferences pref) {
gitAuthor = pref.getString("gitAuthor") ?? gitAuthor;
gitAuthorEmail = pref.getString("gitAuthorEmail") ?? gitAuthorEmail;
var str =
pref.getString("noteViewerFontSize") ?? noteViewerFontSize.toString();
print(NoteViewerFontSize.values);
noteViewerFontSize =
NoteViewerFontSize.values.firstWhere((e) => e.toString() == str);
}
Future save() async {
var pref = await SharedPreferences.getInstance();
pref.setString("gitAuthor", gitAuthor);
pref.setString("gitAuthorEmail", gitAuthorEmail);
// Shouldn't we check if something has actually changed?
for (var f in changeObservers) {
f();
}
}
String gitAuthor = "GitJournal";
String gitAuthorEmail = "app@gitjournal.io";
double getNoteViewerFontSize() {
switch (noteViewerFontSize) {
case NoteViewerFontSize.Normal:
return 18.0;
case NoteViewerFontSize.Small:
return 15.0;
case NoteViewerFontSize.ExtraSmall:
return 12.0;
case NoteViewerFontSize.Large:
return 22.0;
case NoteViewerFontSize.ExtraLarge:
return 26.0;
}
assert(false, "getNoteViewerFontSize: We should never be here");
return 50000.0;
}
}