标识当前阅读的位置

lib/pages/book_detail/controller.dart

@@ -50,32 +50,7 @@ class BookDetailController extends GetxController with GetSingleTickerProviderSt
     }
   }
 
-  /// 设置当前读的章节id
-  void setCurrentReadChapterId(){
-    for(ChapterModel chapterModel in chapters){
-      chapterModel.currentRead = false;
-      if(chapterModel.id == currentChapterId){
-        chapterModel.currentRead = true;
-        chapterModel.selected = true;
-      }
-      writeCurrentReadChapterIdToData(chapterModel);
-    }
-
-  }
-
-  void writeCurrentReadChapterIdToData(ChapterModel chapterModel){
-    for(ChapterModel cModel in chapterModel.children!){
-      cModel.currentRead = false;
-      if(cModel.id == currentChapterId){
-        cModel.currentRead = true;
-        cModel.selected = true;
-        chapterModel.selected = true;
-      }
-      writeCurrentReadChapterIdToData(cModel);
-    }
-  }
-
-  void testWriteCurrentReadChapterIdToData(List<ChapterModel> data) {
+  void writeCurrentReadChapterIdToData(List<ChapterModel> data) {
     for(ChapterModel cModel in data){
       cModel.currentRead = false;
       if(cModel.id == currentChapterId){
@@ -83,12 +58,12 @@ class BookDetailController extends GetxController with GetSingleTickerProviderSt
         cModel.selected = true;
       }
       else{
-        testWriteCurrentReadChapterIdToData(cModel.children!);
+        writeCurrentReadChapterIdToData(cModel.children!);
       }
     }
 
     ChapterModel? tModel = findChapterById(chapters, currentChapterId);
-    if(tModel == null){
+    if(tModel != null){
       updateParentsStatus(chapters, tModel!);
     }
 
@@ -108,23 +83,21 @@ class BookDetailController extends GetxController with GetSingleTickerProviderSt
   }
 
   void updateParentsStatus(List<ChapterModel> data, ChapterModel model) {
-    ChapterModel? parentNode = findParentNode(data, model);
+    ChapterModel? parentNode = findParentChapter(data, model);
     while (parentNode != null) {
       parentNode.selected = true;
-      parentNode = findParentNode(data, parentNode);
+      parentNode = findParentChapter(data, parentNode);
     }
   }
 
-  ChapterModel? findParentNode(List<ChapterModel> nodes, ChapterModel node) {
-    for (var n in nodes) {
-      for (var child in n.children!) {
-        if (child == node) {
-          return n;
-        }
-        var parent = findParentNode(child.children!, node);
-        if (parent != null) {
-          return parent;
+  ChapterModel? findParentChapter(List<ChapterModel> data, ChapterModel model){
+    for (ChapterModel tModel in data){
+      if(tModel.id == model.pid){
+        return tModel;
       }
+      ChapterModel? cModel = findParentChapter(tModel.children!, model);
+      if(cModel != null) {
+        return cModel;
       }
     }
     return null;
@@ -151,8 +124,7 @@ class BookDetailController extends GetxController with GetSingleTickerProviderSt
     writeData(chapters, result);
 
     chapters = result;
-    setCurrentReadChapterId();
-    // testWriteCurrentReadChapterIdToData(chapters)
+    writeCurrentReadChapterIdToData(chapters);
     update();
   }
 

lib/pages/read_web/controller.dart

@@ -157,13 +157,13 @@ class ReadController extends FullLifeCycleController with GetSingleTickerProvide
     update();
   }
 
-  // 设置 chapterId 和 chapterName
-  void setChapterInfo({required String id,required String name}){
-    chapterId = id;
-    chapterName = name;
-    setCurrentReadChapterId();
-    update();
-  }
+  // // 设置 chapterId 和 chapterName
+  // void setChapterInfo({required String id,required String name}){
+  //   chapterId = id;
+  //   chapterName = name;
+  //   writeCurrentReadChapterIdToData(chapters);
+  //   update();
+  // }
   void setShow(bool value) {
     _show = !value;
     update();
@@ -181,6 +181,7 @@ class ReadController extends FullLifeCycleController with GetSingleTickerProvide
   void selectChapter(ChapterModel model) {
     chapterName = model.name??'';
     chapterId = model.id.toString();
+    writeCurrentReadChapterIdToData(chapters);
     update();
   }
 
@@ -855,35 +856,62 @@ class ReadController extends FullLifeCycleController with GetSingleTickerProvide
   /// 获取目录信息
   void _getChapters() async {
     chapters = await LibraryAPI.chapters(bookId: bookId);
-    setCurrentReadChapterId();
+    writeCurrentReadChapterIdToData(chapters);
     update();
   }
 
-  /// 设置当前读的章节id
-  void setCurrentReadChapterId(){
-    for(ChapterModel chapterModel in chapters){
-      chapterModel.currentRead = false;
-      if(chapterModel.id == int.parse(chapterId)){
-        chapterModel.currentRead = true;
-        chapterModel.selected = true;
+  void writeCurrentReadChapterIdToData(List<ChapterModel> data) {
+    for(ChapterModel cModel in data){
+      cModel.currentRead = false;
+      if(cModel.id == int.parse(chapterId)){
+        cModel.currentRead = true;
+        cModel.selected = true;
+      }
+      else{
+        writeCurrentReadChapterIdToData(cModel.children!);
       }
-      writeCurrentReadChapterIdToData(chapterModel);
     }
 
+    ChapterModel? tModel = findChapterById(chapters, int.parse(chapterId));
+    if(tModel != null){
+      updateParentsStatus(chapters, tModel!);
     }
 
-  void writeCurrentReadChapterIdToData(ChapterModel chapterModel){
-    for(ChapterModel cModel in chapterModel.children!){
-      cModel.currentRead = false;
-      if(cModel.id == int.parse(chapterId)){
-        cModel.currentRead = true;
-        cModel.selected = true;
-        chapterModel.selected = true;
   }
-      writeCurrentReadChapterIdToData(cModel);
+
+  ChapterModel? findChapterById(List<ChapterModel> data,num id){
+    for (ChapterModel cModel in data){
+      if(cModel.id == id){
+        return cModel;
+      }
+      ChapterModel? tModel = findChapterById(cModel.children!, id);
+      if(tModel !=null){
+        return tModel;
       }
     }
+    return null;
+  }
 
+  void updateParentsStatus(List<ChapterModel> data, ChapterModel model) {
+    ChapterModel? parentNode = findParentChapter(data, model);
+    while (parentNode != null) {
+      parentNode.selected = true;
+      parentNode = findParentChapter(data, parentNode);
+    }
+  }
+
+  ChapterModel? findParentChapter(List<ChapterModel> data, ChapterModel model){
+    for (ChapterModel tModel in data){
+      if(tModel.id == model.pid){
+        return tModel;
+      }
+      ChapterModel? cModel = findParentChapter(tModel.children!, model);
+      if(cModel != null) {
+        return cModel;
+      }
+    }
+    return null;
+  }
 
   /// 添加阅读时长
   void _addReadTime({required type}) async{

lib/pages/read_web/view.dart

@@ -200,7 +200,9 @@ class _ReadPageState extends State<ReadPage> {
                         controller.addJavaScriptHandler(handlerName: 'loadChapterCallBack', callback: (args){
                           String chapterId = args.first[0].toString();
                           String chapterName = args.first[1].toString();
-                          readController.setChapterInfo(id: chapterId, name: chapterName ?? '');
+                          ChapterModel  chapterModel = ChapterModel(id: int.parse(chapterId), name: chapterName);
+                          // readController.setChapterInfo(id: chapterId, name: chapterName ?? '');
+                          readController.selectChapter(chapterModel);
                           Console.log('监听 上一节 下一节------------------------------------------------$args');
                         });
 
@@ -420,7 +422,7 @@ class _ReadPageState extends State<ReadPage> {
           controller.chooseTool(model);
           // 选择了新的章节 刷新 webview
           controller.webViewController.reload();
-          controller.setCurrentReadChapterId();
+          // controller.setCurrentReadChapterId();
         },
       );
     }