new: delete all in settings page

lib/view/page/editor.dart

@@ -30,11 +30,14 @@ class EditorPage extends StatefulWidget {
   /// Higher priority than [path]
   final String? langCode;
 
+  final String? title;
+
   const EditorPage({
     Key? key,
     this.path,
     this.text,
     this.langCode,
+    this.title,
   }) : super(key: key);
 
   @override
@@ -110,7 +113,11 @@ class _EditorPageState extends State<EditorPage> with AfterLayoutMixin {
 
   PreferredSizeWidget _buildAppBar() {
     return CustomAppBar(
-      title: TwoLineText(up: getFileName(widget.path) ?? '', down: _s.editor),
+      centerTitle: true,
+      title: TwoLineText(
+        up: widget.title ?? getFileName(widget.path) ?? '',
+        down: _s.editor,
+      ),
       actions: [
         PopupMenuButton<String>(
           icon: const Icon(Icons.language),
@@ -134,21 +141,20 @@ class _EditorPageState extends State<EditorPage> with AfterLayoutMixin {
 
   Widget _buildBody() {
     return SingleChildScrollView(
-      child: CodeTheme(
-        data: CodeThemeData(
-          styles: _codeTheme,
-        ),
-        child: CodeField(
-          focusNode: _focusNode,
-          controller: _controller,
-          textStyle: _textStyle,
-          lineNumberStyle: const LineNumberStyle(
-            width: 47,
-            margin: 7,
-          ),
+        child: CodeTheme(
+      data: CodeThemeData(
+        styles: _codeTheme,
+      ),
+      child: CodeField(
+        focusNode: _focusNode,
+        controller: _controller,
+        textStyle: _textStyle,
+        lineNumberStyle: const LineNumberStyle(
+          width: 47,
+          margin: 7,
         ),
       ),
-    );
+    ));
   }
 
   @override

lib/view/page/home.dart

@@ -271,6 +271,10 @@ class _HomePageState extends State<HomePage>
       title: Text(_s.about),
       child: _buildAboutContent(),
       actions: [
+        TextButton(
+          onPressed: () => openUrl(appWikiUrl),
+          child: const Text('Wiki'),
+        ),
         TextButton(
           onPressed: () => openUrl(appHelpUrl),
           child: Text(_s.feedback),
@@ -380,6 +384,7 @@ class _HomePageState extends State<HomePage>
     final result = await AppRoute.editor(
       text: text,
       langCode: 'json',
+      title: _s.setting,
     ).go(context);
     if (result == null) {
       return;

lib/view/page/setting/entry.dart

@@ -110,6 +110,26 @@ class _SettingPageState extends State<SettingPage> {
     return Scaffold(
       appBar: CustomAppBar(
         title: Text(_s.setting),
+        actions: [
+          IconButton(
+            onPressed: () => showRoundDialog(
+              context: context,
+              title: Text(_s.attention),
+              child: Text(_s.sureDelete(_s.all)),
+              actions: [
+                TextButton(
+                  onPressed: () {
+                    _setting.box.deleteAll(_setting.box.keys);
+                    context.pop();
+                    showSnackBar(context, Text(_s.success));
+                  },
+                  child: Text(_s.ok, style: const TextStyle(color: Colors.red)),
+                ),
+              ],
+            ),
+            icon: const Icon(Icons.delete),
+          ),
+        ],
       ),
       body: ListView(
         padding: const EdgeInsets.symmetric(horizontal: 17),
@@ -609,8 +629,8 @@ class _SettingPageState extends State<SettingPage> {
     final items = S.supportedLocales
         .map(
           (e) => PopupMenuItem<String>(
-            value: e.name,
-            child: Text(e.name),
+            value: e.code,
+            child: Text(e.code),
           ),
         )
         .toList();