fixed nullable mess with editor ids

lib/models/globalModel.dart

@@ -19,31 +19,30 @@ class GlobalModel extends ChangeNotifier {
     SharedPreferences.getInstance().then((a) {
       print("Loaded sp");
       prefs = a;
+      editors = [Editor("", "None", "NANII", "", "")];
+      id2EdtMap = {"NANII": 0};
       if (prefs.containsKey(kEditorsKey)) {
         String edtData = prefs.getString(kEditorsKey)!;
         List<dynamic> data = jsonDecode(edtData);
-        editors = [];
-        id2EdtMap = {};
         for (var (i, d) in data.indexed) {
           var localEdt = Editor.fromJson(d);
           editors.add(localEdt);
-          id2EdtMap[localEdt.id] = i;
+          id2EdtMap[localEdt.id] = i + 1;
         }
       } else {
-        editors = [];
         prefs.setString(kEditorsKey, jsonEncode(editors));
       }
       print(id2EdtMap);
+      final List<String> idList = id2EdtMap.keys.toList();
 
+      projects = [];
       if (prefs.containsKey(kProjectsKey)) {
         String prjData = prefs.getString(kProjectsKey)!;
         List<dynamic> data = jsonDecode(prjData);
-        projects = [];
         for (var d in data) {
-          projects.add(Project.fromJson(d));
+          projects.add(Project.fromJson(d, idList));
         }
       } else {
-        projects = [];
         prefs.setString(kProjectsKey, jsonEncode(projects));
       }
       print(projects);
@@ -61,7 +60,11 @@ class GlobalModel extends ChangeNotifier {
   }
 
   void saveEditorState() {
-    var arst = editors.map((a) => a.toJson()).toList();
+    var tempEditors = editors;
+    tempEditors.removeWhere((a) => a.id == "");
+    List<Map<String, dynamic>> arst = tempEditors
+        .map((a) => a.toJson())
+        .toList();
     prefs.setString(kEditorsKey, jsonEncode(arst));
   }
 
@@ -112,12 +115,16 @@ class GlobalModel extends ChangeNotifier {
 
   void addEdt(Editor edt) {
     editors.add(edt);
+    print(editors);
+    id2EdtMap[edt.id] = editors.length - 1;
     saveEditorState();
     notifyListeners();
   }
 
   void delEdt(int index) {
-    editors.removeAt(index);
+    Editor removed = editors.removeAt(index);
+    int remmedID = id2EdtMap.remove(removed.id)!;
+    assert(index == remmedID);
     saveEditorState();
     notifyListeners();
   }
@@ -130,8 +137,8 @@ class GlobalModel extends ChangeNotifier {
     return editors[index];
   }
 
-  int? getFromID(String? id) {
-    return id2EdtMap[id];
+  int getEdtPosFromID(String id) {
+    return id2EdtMap[id] ?? 0;
   }
 
   // Editing controller

lib/models/project.dart

@@ -6,10 +6,10 @@ class Project {
   String name;
   String language;
   File path;
-  String? e0;
-  String? e1;
-  String? e2;
-  String? e3;
+  String e0;
+  String e1;
+  String e2;
+  String e3;
   bool isGit;
 
   Project(
@@ -17,10 +17,10 @@ class Project {
     this.language,
     this.path,
     this.isGit, {
-    this.e0 = null,
-    this.e1 = null,
-    this.e2 = null,
-    this.e3 = null,
+    this.e0 = "",
+    this.e1 = "",
+    this.e2 = "",
+    this.e3 = "",
   });
 
   factory Project.newValidated(String name, String lang, String path) {
@@ -43,27 +43,19 @@ class Project {
       "language": language,
       "path": path.path,
       "isGit": isGit,
+      "e0": e0,
+      "e1": e1,
+      "e2": e2,
+      "e3": e3,
     };
-    if (e0 == null) {
-      fin["e0"] = e0;
-    }
-    if (e1 == null) {
-      fin["e1"] = e1;
-    }
-    if (e2 == null) {
-      fin["e2"] = e2;
-    }
-    if (e3 == null) {
-      fin["e3"] = e3;
-    }
     return fin;
   }
 
-  factory Project.fromJson(Map<String, dynamic> data) {
-    final String? e0 = data["e0"];
-    final String? e1 = data["e1"];
-    final String? e2 = data["e2"];
-    final String? e3 = data["e3"];
+  factory Project.fromJson(Map<String, dynamic> data, List<String> editorList) {
+    final String e0 = editorList.contains(data["e0"]) ? data["e0"] : "";
+    final String e1 = editorList.contains(data["e1"]) ? data["e1"] : "";
+    final String e2 = editorList.contains(data["e2"]) ? data["e2"] : "";
+    final String e3 = editorList.contains(data["e3"]) ? data["e3"] : "";
     return Project(
       data["name"] as String,
       data["language"] as String,
@@ -76,7 +68,7 @@ class Project {
     );
   }
 
-  String? getEditor(enumb) {
+  String getEditor(int enumb) {
     switch (enumb) {
       case 0:
         return e0;
@@ -87,12 +79,11 @@ class Project {
       case 3:
         return e3;
       default:
-        return null;
-        break;
+        return "";
     }
   }
 
-  void setEditor(int enumb, String? edt) {
+  void setEditor(int enumb, String edt) {
     switch (enumb) {
       case 0:
         e0 = edt;