MarkdownEditor: Allow the default view to be configurable

Fixes #98

lib/editors/markdown_editor.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:gitjournal/core/note.dart';
 import 'package:gitjournal/editors/common.dart';
 import 'package:gitjournal/editors/note_title_editor.dart';
+import 'package:gitjournal/settings.dart';
 import 'package:gitjournal/widgets/note_viewer.dart';
 
 class MarkdownEditor extends StatefulWidget implements Editor {
@@ -51,6 +52,9 @@ class MarkdownEditorState extends State<MarkdownEditor> implements EditorState {
   MarkdownEditorState(this.note) {
     _textController = TextEditingController(text: note.body);
     _titleTextController = TextEditingController(text: note.title);
+
+    editingMode = Settings.instance.markdownDefaultView ==
+        SettingsMarkdownDefaultView.Edit;
   }
 
   @override

lib/screens/settings_editors.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:gitjournal/screens/settings_screen.dart';
 import 'package:gitjournal/settings.dart';
 import 'package:gitjournal/screens/settings_widgets.dart';
 
@@ -12,7 +13,7 @@ class SettingsEditorsScreenState extends State<SettingsEditorsScreen> {
   Widget build(BuildContext context) {
     var settings = Settings.instance;
 
-    var body = Column(children: <Widget>[
+    var body = ListView(children: <Widget>[
       ListPreference(
         title: "Default Editor",
         currentOption: settings.defaultEditor.toPublicString(),
@@ -25,6 +26,20 @@ class SettingsEditorsScreenState extends State<SettingsEditorsScreen> {
           setState(() {});
         },
       ),
+      SettingsHeader("Markdown Editor Settings"),
+      ListPreference(
+        title: "Default State",
+        currentOption: settings.markdownDefaultView.toPublicString(),
+        options: SettingsMarkdownDefaultView.options
+            .map((f) => f.toPublicString())
+            .toList(),
+        onChange: (String publicStr) {
+          var val = SettingsMarkdownDefaultView.fromPublicString(publicStr);
+          Settings.instance.markdownDefaultView = val;
+          Settings.instance.save();
+          setState(() {});
+        },
+      ),
     ]);
 
     return Scaffold(
@@ -37,10 +52,7 @@ class SettingsEditorsScreenState extends State<SettingsEditorsScreen> {
           },
         ),
       ),
-      body: Padding(
-        padding: const EdgeInsets.all(16.0),
-        child: body,
-      ),
+      body: body,
     );
   }
 }

lib/settings.dart

@@ -39,6 +39,9 @@ class Settings {
   String _pseudoId;
   String get pseudoId => _pseudoId;
 
+  SettingsMarkdownDefaultView markdownDefaultView =
+      SettingsMarkdownDefaultView.Default;
+
   void load(SharedPreferences pref) {
     gitAuthor = pref.getString("gitAuthor") ?? gitAuthor;
     gitAuthorEmail = pref.getString("gitAuthorEmail") ?? gitAuthorEmail;
@@ -64,6 +67,8 @@ class Settings {
         SettingsEditorType.fromInternalString(pref.getString("defaultEditor"));
     defaultView = SettingsFolderViewType.fromInternalString(
         pref.getString("defaultView"));
+    markdownDefaultView = SettingsMarkdownDefaultView.fromInternalString(
+        pref.getString("markdownDefaultView"));
 
     showNoteSummary = pref.getBool("showNoteSummary") ?? showNoteSummary;
     folderViewHeaderType =
@@ -94,6 +99,8 @@ class Settings {
     pref.setString("sortingMode", sortingMode.toInternalString());
     pref.setString("defaultEditor", defaultEditor.toInternalString());
     pref.setString("defaultView", defaultView.toInternalString());
+    pref.setString(
+        "markdownDefaultView", markdownDefaultView.toInternalString());
     pref.setBool("showNoteSummary", showNoteSummary);
     pref.setString("folderViewHeaderType", folderViewHeaderType);
     pref.setInt("settingsVersion", version);
@@ -124,6 +131,7 @@ class Settings {
       "version": version,
       "proMode": proMode,
       'pseudoId': pseudoId,
+      'markdownDefaultView': markdownDefaultView,
     };
   }
 
@@ -399,3 +407,50 @@ class SettingsFolderViewType {
     return SettingsFolderViewType.Default;
   }
 }
+
+class SettingsMarkdownDefaultView {
+  static const Edit = SettingsMarkdownDefaultView("Edit");
+  static const View = SettingsMarkdownDefaultView("View");
+  static const Default = Edit;
+
+  final String _str;
+  const SettingsMarkdownDefaultView(this._str);
+
+  String toInternalString() {
+    return _str;
+  }
+
+  String toPublicString() {
+    return _str;
+  }
+
+  static const options = <SettingsMarkdownDefaultView>[
+    Edit,
+    View,
+  ];
+
+  static SettingsMarkdownDefaultView fromInternalString(String str) {
+    for (var opt in options) {
+      if (opt.toInternalString() == str) {
+        return opt;
+      }
+    }
+    return Default;
+  }
+
+  static SettingsMarkdownDefaultView fromPublicString(String str) {
+    for (var opt in options) {
+      if (opt.toPublicString() == str) {
+        return opt;
+      }
+    }
+    return Default;
+  }
+
+  @override
+  String toString() {
+    assert(
+        false, "SettingsMarkdownDefaultView toString should never be called");
+    return "";
+  }
+}