Add a 'type' to each Note

This way we can load the appropirate editor according to the types
available.

lib/core/note.dart

@@ -20,6 +20,12 @@ enum NoteLoadState {
   NotExists,
 }
 
+enum NoteType {
+  Unknown,
+  Checklist,
+  Journal,
+}
+
 class Note with NotesNotifier {
   NotesFolderFS parent;
   String _filePath;
@@ -28,6 +34,8 @@ class Note with NotesNotifier {
   DateTime _created;
   DateTime _modified;
   String _body = "";
+  NoteType _type = NoteType.Unknown;
+
   MdYamlDoc _data = MdYamlDoc();
   NoteSerializer noteSerializer = NoteSerializer();
 
@@ -104,6 +112,17 @@ class Note with NotesNotifier {
     _notifyModified();
   }
 
+  NoteType get type {
+    return _type;
+  }
+
+  set type(NoteType type) {
+    if (!canHaveMetadata) return;
+
+    _type = type;
+    _notifyModified();
+  }
+
   bool get canHaveMetadata {
     return Settings.instance.yamlHeaderEnabled;
   }

lib/core/note_serializer.dart

@@ -16,6 +16,7 @@ class NoteSerializationSettings {
   String modifiedKey = Settings.instance.yamlModifiedKey;
   String createdKey = "created";
   String titleKey = "title";
+  String typeKey = "type";
 }
 
 class NoteSerializer implements NoteSerializerInterface {
@@ -46,6 +47,13 @@ class NoteSerializer implements NoteSerializerInterface {
       data.props.remove(settings.titleKey);
     }
 
+    if (note.type != NoteType.Unknown) {
+      var type = note.type.toString().substring(9); // Remove "NoteType."
+      data.props[settings.typeKey] = type;
+    } else {
+      data.props.remove(settings.typeKey);
+    }
+
     data.body = emojiParser.unemojify(note.body);
   }
 
@@ -74,5 +82,18 @@ class NoteSerializer implements NoteSerializerInterface {
 
     var title = data.props[settings.titleKey]?.toString() ?? "";
     note.title = emojiParser.emojify(title);
+
+    var type = data.props[settings.typeKey];
+    switch (type) {
+      case "Checklist":
+        note.type = NoteType.Checklist;
+        break;
+      case "Journal":
+        note.type = NoteType.Journal;
+        break;
+      default:
+        note.type = NoteType.Unknown;
+        break;
+    }
   }
 }

lib/editors/checklist_editor.dart

@@ -134,6 +134,7 @@ class ChecklistEditorState extends State<ChecklistEditor>
   Note getNote() {
     var note = checklist.note;
     note.title = _titleTextController.text.trim();
+    note.type = NoteType.Checklist;
     return note;
   }
 

lib/editors/journal_editor.dart

@@ -77,13 +77,10 @@ class JournalEditorState extends State<JournalEditor> implements EditorState {
     );
   }
 
-  void _updateNote() {
-    note.body = _textController.text.trim();
-  }
-
   @override
   Note getNote() {
-    _updateNote();
+    note.body = _textController.text.trim();
+    note.type = NoteType.Journal;
     return note;
   }
 }

lib/editors/markdown_editor.dart

@@ -101,6 +101,7 @@ class MarkdownEditorState extends State<MarkdownEditor> implements EditorState {
   void _updateNote() {
     note.title = _titleTextController.text.trim();
     note.body = _textController.text.trim();
+    note.type = NoteType.Unknown;
   }
 
   @override

lib/folder_views/common.dart

@@ -5,7 +5,6 @@ import 'package:gitjournal/core/notes_folder.dart';
 import 'package:gitjournal/folder_views/card_view.dart';
 import 'package:gitjournal/folder_views/journal_view.dart';
 import 'package:gitjournal/screens/note_editor.dart';
-import 'package:gitjournal/settings.dart';
 import 'package:gitjournal/utils.dart';
 
 import 'standard_view.dart';
@@ -26,10 +25,7 @@ Widget buildFolderView(
 ) {
   var noteSelectionFn = (Note note) async {
     var route = MaterialPageRoute(
-      builder: (context) => NoteEditor.fromNote(
+      builder: (context) => NoteEditor.fromNote(note),
-        note,
-        Settings.instance.defaultEditor.toEditorType(),
-      ),
     );
     var showUndoSnackBar = await Navigator.of(context).push(route);
     if (showUndoSnackBar != null) {

lib/screens/note_editor.dart

@@ -7,6 +7,7 @@ import 'package:gitjournal/editors/journal_editor.dart';
 import 'package:gitjournal/editors/markdown_editor.dart';
 import 'package:gitjournal/editors/raw_editor.dart';
 import 'package:gitjournal/editors/checklist_editor.dart';
+import 'package:gitjournal/settings.dart';
 import 'package:gitjournal/state_container.dart';
 import 'package:gitjournal/widgets/folder_selection_dialog.dart';
 import 'package:gitjournal/widgets/rename_dialog.dart';
@@ -19,7 +20,9 @@ class NoteEditor extends StatefulWidget {
   final NotesFolder notesFolder;
   final EditorType defaultEditorType;
 
-  NoteEditor.fromNote(this.note, this.defaultEditorType) : notesFolder = null;
+  NoteEditor.fromNote(this.note)
+      : notesFolder = null,
+        defaultEditorType = null;
   NoteEditor.newNote(this.notesFolder, this.defaultEditorType) : note = null;
 
   @override
@@ -59,7 +62,21 @@ class NoteEditorState extends State<NoteEditor> {
   @override
   void initState() {
     super.initState();
-    editorType = widget.defaultEditorType;
+    if (widget.defaultEditorType != null) {
+      editorType = widget.defaultEditorType;
+    } else {
+      switch (note.type) {
+        case NoteType.Journal:
+          editorType = EditorType.Journal;
+          break;
+        case NoteType.Checklist:
+          editorType = EditorType.Checklist;
+          break;
+        case NoteType.Unknown:
+          editorType = Settings.instance.defaultEditor.toEditorType();
+          break;
+      }
+    }
   }
 
   @override