Improve UI of empty Explore and Category pages.

assets/translation.json

@@ -229,7 +229,7 @@
     "Clear History": "清除历史",
     "Are you sure you want to clear your history?": "确定要清除您的历史记录吗？",
     "No Explore Pages": "没有探索页面",
-    "Add a comic source in home page": "在主页添加一个漫画源",
+    "Please add some sources": "请添加一些源",
     "Please check your settings": "请检查您的设置",
     "No Category Pages": "没有分类页面",
     "Chapter @ep": "第 @ep 章",
@@ -317,7 +317,8 @@
     "Set comic source list url": "设置漫画源列表URL",
     "Deselect All": "取消全选",
     "Add keyword": "添加关键词",
-    "Keyword": "关键词"
+    "Keyword": "关键词",
+    "Manage": "管理"
   },
   "zh_TW": {
     "Home": "首頁",
@@ -549,7 +550,7 @@
     "Clear History": "清除歷史",
     "Are you sure you want to clear your history?": "確定要清除您的歷史記錄嗎？",
     "No Explore Pages": "沒有探索頁面",
-    "Add a comic source in home page": "在主頁添加一個漫畫源",
+    "Please add some sources": "請添加一些源",
     "Please check your settings": "請檢查您的設定",
     "No Category Pages": "沒有分類頁面",
     "Chapter @ep": "第 @ep 章",
@@ -637,6 +638,7 @@
     "Set comic source list url": "設置漫畫源列表URL",
     "Deselect All": "取消全選",
     "Add keyword": "添加關鍵詞",
-    "Keyword": "關鍵詞"
+    "Keyword": "關鍵詞",
+    "Manage": "管理"
   }
 }

lib/components/loading.dart

@@ -6,6 +6,7 @@ class NetworkError extends StatelessWidget {
     required this.message,
     this.retry,
     this.withAppbar = true,
+    this.buttonText,
   });
 
   final String message;
@@ -14,6 +15,8 @@ class NetworkError extends StatelessWidget {
 
   final bool withAppbar;
 
+  final String? buttonText;
+
   @override
   Widget build(BuildContext context) {
     var cfe = CloudflareException.fromString(message);
@@ -60,7 +63,7 @@ class NetworkError extends StatelessWidget {
             else
               FilledButton(
                 onPressed: retry,
-                child: Text('Retry'.tl),
+                child: Text(buttonText ?? 'Retry'.tl),
               ),
         ],
       ),

lib/pages/categories_page.dart

@@ -10,6 +10,7 @@ import 'package:venera/utils/ext.dart';
 import 'package:venera/utils/translations.dart';
 
 import 'category_comics_page.dart';
+import 'comic_source_page.dart';
 
 class CategoriesPage extends StatefulWidget {
   const CategoriesPage({super.key});
@@ -63,25 +64,33 @@ class _CategoriesPageState extends State<CategoriesPage> {
     appdata.settings.removeListener(onSettingsChanged);
   }
 
-  @override
+  Widget buildEmpty() {
-  Widget build(BuildContext context) {
-    if (categories.isEmpty) {
     var msg = "No Category Pages".tl;
     msg += '\n';
+    VoidCallback onTap;
     if (ComicSource.isEmpty) {
-        msg += "Add a comic source in home page".tl;
+      msg += "Please add some sources".tl;
+      onTap = () {
+        context.to(() => ComicSourcePage());
+      };
     } else {
       msg += "Please check your settings".tl;
+      onTap = addPage;
     }
     return NetworkError(
       message: msg,
-        retry: () {
+      retry: onTap,
-          setState(() {});
-        },
       withAppbar: false,
+      buttonText: "Manage".tl,
     );
   }
 
+  @override
+  Widget build(BuildContext context) {
+    if (categories.isEmpty) {
+      return buildEmpty();
+    }
+
     return Material(
       child: DefaultTabController(
         length: categories.length,

lib/pages/explore_page.dart

@@ -5,6 +5,7 @@ import 'package:venera/foundation/appdata.dart';
 import 'package:venera/foundation/comic_source/comic_source.dart';
 import 'package:venera/foundation/res.dart';
 import 'package:venera/foundation/state_controller.dart';
+import 'package:venera/pages/comic_source_page.dart';
 import 'package:venera/pages/search_result_page.dart';
 import 'package:venera/pages/settings/settings_page.dart';
 import 'package:venera/utils/ext.dart';
@@ -122,15 +123,21 @@ class _ExplorePageState extends State<ExplorePage>
   Widget buildEmpty() {
     var msg = "No Explore Pages".tl;
     msg += '\n';
+    VoidCallback onTap;
     if (ComicSource.isEmpty) {
-      msg += "Add a comic source in home page".tl;
+      msg += "Please add some sources".tl;
+      onTap = () {
+        context.to(() => ComicSourcePage());
+      };
     } else {
       msg += "Please check your settings".tl;
+      onTap = addPage;
     }
     return NetworkError(
       message: msg,
-      retry: onSettingsChanged,
+      retry: onTap,
       withAppbar: false,
+      buttonText: "Manage".tl,
     );
   }