Add buttons for adding pages

lib/components/appbar.dart

@@ -269,12 +269,19 @@ class _MySliverAppBarDelegate extends SliverPersistentHeaderDelegate {
 }
 
 class AppTabBar extends StatefulWidget {
-  const AppTabBar({super.key, this.controller, required this.tabs});
+  const AppTabBar({
+    super.key,
+    this.controller,
+    required this.tabs,
+    this.actionButton,
+  });
 
   final TabController? controller;
 
   final List<Tab> tabs;
 
+  final Widget? actionButton;
+
   @override
   State<AppTabBar> createState() => _AppTabBarState();
 }
@@ -378,7 +385,8 @@ class _AppTabBarState extends State<AppTabBar> {
             painter: painter,
             child: _TabRow(
               callback: _tabLayoutCallback,
-              children: List.generate(widget.tabs.length, buildTab),
+              children: List.generate(widget.tabs.length, buildTab)
+                ..addIfNotNull(widget.actionButton?.padding(tabPadding)),
             ),
           ).paddingHorizontal(4),
         );
@@ -396,7 +404,8 @@ class _AppTabBarState extends State<AppTabBar> {
           ),
         ),
       ),
-        child: widget.tabs.isEmpty ? const SizedBox() : child);
+      child: widget.tabs.isEmpty ? const SizedBox() : child,
+    );
   }
 
   int? previousIndex;
@@ -633,7 +642,6 @@ class _TabViewBodyState extends State<TabViewBody> {
   }
 }
 
-
 class SearchBarController {
   _SearchBarMixin? _state;
 
@@ -906,3 +914,42 @@ class _SearchBarState extends State<AppSearchBar> with _SearchBarMixin {
     );
   }
 }
+
+class TabActionButton extends StatelessWidget {
+  const TabActionButton({
+    super.key,
+    required this.icon,
+    required this.text,
+    required this.onPressed,
+  });
+
+  final Icon icon;
+
+  final String text;
+
+  final void Function() onPressed;
+
+  static const _kTabHeight = 46.0;
+
+  @override
+  Widget build(BuildContext context) {
+    return InkWell(
+      onTap: onPressed,
+      borderRadius: BorderRadius.circular(8),
+      child: Container(
+        height: _kTabHeight,
+        padding: const EdgeInsets.symmetric(horizontal: 12),
+        child: IconTheme(
+          data: IconThemeData(size: 20, color: context.colorScheme.primary),
+          child: Row(
+            children: [
+              icon,
+              const SizedBox(width: 8),
+              Text(text, style: ts.withColor(context.colorScheme.primary)),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/pages/categories_page.dart

@@ -3,32 +3,68 @@ import 'package:venera/components/components.dart';
 import 'package:venera/foundation/app.dart';
 import 'package:venera/foundation/appdata.dart';
 import 'package:venera/foundation/comic_source/comic_source.dart';
-import 'package:venera/foundation/state_controller.dart';
 import 'package:venera/pages/ranking_page.dart';
 import 'package:venera/pages/search_result_page.dart';
+import 'package:venera/pages/settings/settings_page.dart';
+import 'package:venera/utils/ext.dart';
 import 'package:venera/utils/translations.dart';
 
 import 'category_comics_page.dart';
 
-class CategoriesPage extends StatelessWidget {
+class CategoriesPage extends StatefulWidget {
   const CategoriesPage({super.key});
 
   @override
-  Widget build(BuildContext context) {
-    return StateBuilder<SimpleController>(
-      tag: "category",
-      init: SimpleController(),
-      builder: (controller) {
-        var categories = List.from(appdata.settings["categories"]);
+  State<CategoriesPage> createState() => _CategoriesPageState();
+}
+
+class _CategoriesPageState extends State<CategoriesPage> {
+  var categories = <String>[];
+
+  void onSettingsChanged() {
+    var categories =
+        List.from(appdata.settings["categories"]).whereType<String>().toList();
     var allCategories = ComicSource.all()
         .map((e) => e.categoryData?.key)
         .where((element) => element != null)
         .map((e) => e!)
         .toList();
-        categories = categories
-            .where((element) => allCategories.contains(element))
-            .toList();
+    categories =
+        categories.where((element) => allCategories.contains(element)).toList();
+    if (!categories.isEqualsTo(this.categories)) {
+      setState(() {
+        this.categories = categories;
+      });
+    }
+  }
 
+  @override
+  void initState() {
+    super.initState();
+    var categories =
+        List.from(appdata.settings["categories"]).whereType<String>().toList();
+    var allCategories = ComicSource.all()
+        .map((e) => e.categoryData?.key)
+        .where((element) => element != null)
+        .map((e) => e!)
+        .toList();
+    this.categories =
+        categories.where((element) => allCategories.contains(element)).toList();
+    appdata.settings.addListener(onSettingsChanged);
+  }
+
+  void addPage() {
+    showPopUpWidget(App.rootContext, setCategoryPagesWidget());
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+    appdata.settings.removeListener(onSettingsChanged);
+  }
+
+  @override
+  Widget build(BuildContext context) {
     if (categories.isEmpty) {
       var msg = "No Category Pages".tl;
       msg += '\n';
@@ -40,7 +76,7 @@ class CategoriesPage extends StatelessWidget {
       return NetworkError(
         message: msg,
         retry: () {
-              controller.update();
+          setState(() {});
         },
         withAppbar: false,
       );
@@ -66,18 +102,21 @@ class CategoriesPage extends StatelessWidget {
                   key: Key(e),
                 );
               }).toList(),
+              actionButton: TabActionButton(
+                icon: const Icon(Icons.add),
+                text: "Add".tl,
+                onPressed: addPage,
+              ),
             ).paddingTop(context.padding.top),
             Expanded(
               child: TabBarView(
-                      children:
-                          categories.map((e) => _CategoryPage(e)).toList()),
+                children: categories.map((e) => _CategoryPage(e)).toList(),
+              ),
             )
           ],
         ),
       ),
     );
-      },
-    );
   }
 }
 

lib/pages/explore_page.dart

@@ -6,6 +6,7 @@ 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/search_result_page.dart';
+import 'package:venera/pages/settings/settings_page.dart';
 import 'package:venera/utils/ext.dart';
 import 'package:venera/utils/translations.dart';
 
@@ -56,6 +57,10 @@ class _ExplorePageState extends State<ExplorePage>
     }
   }
 
+  void addPage() {
+    showPopUpWidget(App.rootContext, setExplorePagesWidget());
+  }
+
   NaviPaneState? naviPane;
 
   @override
@@ -141,6 +146,11 @@ class _ExplorePageState extends State<ExplorePage>
         key: PageStorageKey(pages.toString()),
         tabs: pages.map((e) => buildTab(e)).toList(),
         controller: controller,
+        actionButton: TabActionButton(
+          icon: const Icon(Icons.add),
+          text: "Add".tl,
+          onPressed: addPage,
+        ),
       ),
     ).paddingTop(context.padding.top);
 

lib/pages/settings/explore_settings.dart

@@ -30,35 +30,11 @@ class _ExploreSettingsState extends State<ExploreSettings> {
         ).toSliver(),
         _PopupWindowSetting(
           title: "Explore Pages".tl,
-          builder: () {
-            var pages = <String, String>{};
-            for (var c in ComicSource.all()) {
-              for (var page in c.explorePages) {
-                pages[page.title] = page.title;
-              }
-            }
-            return _MultiPagesFilter(
-              title: "Explore Pages".tl,
-              settingsIndex: "explore_pages",
-              pages: pages,
-            );
-          },
+          builder: setExplorePagesWidget,
         ).toSliver(),
         _PopupWindowSetting(
           title: "Category Pages".tl,
-          builder: () {
-            var pages = <String, String>{};
-            for (var c in ComicSource.all()) {
-              if (c.categoryData != null) {
-                pages[c.categoryData!.key] = c.categoryData!.title;
-              }
-            }
-            return _MultiPagesFilter(
-              title: "Category Pages".tl,
-              settingsIndex: "categories",
-              pages: pages,
-            );
-          },
+          builder: setCategoryPagesWidget,
         ).toSliver(),
         _PopupWindowSetting(
           title: "Network Favorite Pages".tl,
@@ -205,3 +181,31 @@ class _ManageBlockingWordViewState extends State<_ManageBlockingWordView> {
     );
   }
 }
+
+Widget setExplorePagesWidget() {
+  var pages = <String, String>{};
+  for (var c in ComicSource.all()) {
+    for (var page in c.explorePages) {
+      pages[page.title] = page.title;
+    }
+  }
+  return _MultiPagesFilter(
+    title: "Explore Pages".tl,
+    settingsIndex: "explore_pages",
+    pages: pages,
+  );
+}
+
+Widget setCategoryPagesWidget() {
+  var pages = <String, String>{};
+  for (var c in ComicSource.all()) {
+    if (c.categoryData != null) {
+      pages[c.categoryData!.key] = c.categoryData!.title;
+    }
+  }
+  return _MultiPagesFilter(
+    title: "Category Pages".tl,
+    settingsIndex: "categories",
+    pages: pages,
+  );
+}