Adds in SNBT Editing support

lib/Editor.dart

@@ -5,6 +5,7 @@ import 'package:libac_dart/nbt/NbtIo.dart';
 import 'package:libac_dart/nbt/Tag.dart';
 import 'package:libac_dart/nbt/impl/CompoundTag.dart';
 import 'package:nbteditor/Constants.dart';
+import 'package:nbteditor/SessionData.dart';
 import 'package:nbteditor/tags/CompoundTag.dart';
 import 'package:nbteditor/tags/Tag.dart';
 
@@ -16,7 +17,7 @@ class Editor extends StatefulWidget {
 }
 
 class EditorState extends State<Editor> {
-  List<Node> nodes = [CompoundTag().getNode("/")];
+  //List<Node> nodes = [CompoundTag().getNode("/")];
   bool compressed = false;
 
   static EditorState? _inst;
@@ -45,7 +46,8 @@ class EditorState extends State<Editor> {
 
   @override
   Widget build(BuildContext context) {
-    controller = TreeViewController(children: nodes);
+    controller =
+        TreeViewController(children: [SessionData.ROOT_TAG.getNode("/")]);
 
     return Scaffold(
       appBar: AppBar(
@@ -68,11 +70,7 @@ class EditorState extends State<Editor> {
             leading: const Icon(Icons.add),
             onTap: () {
               setState(() {
-                nodes.clear();
-
-                // Add a new compound tag as the root
-                Tag tag = CompoundTag();
-                nodes.add(TagExt.getNode("/", tag) as Node);
+                SessionData.ROOT_TAG = CompoundTag();
               });
             },
           ),
@@ -97,14 +95,24 @@ class EditorState extends State<Editor> {
               } else {
                 // String!!
                 CompoundTag ct = await NbtIo.read(filePath);
-                nodes.clear();
-                nodes.add(ct.getNode("/") as Node);
+
+                SessionData.ROOT_TAG = ct;
               }
 
               setState(() {
-                controller = TreeViewController(children: nodes);
+                controller = TreeViewController(
+                    children: [SessionData.ROOT_TAG.getNode("/")]);
               });
             },
+          ),
+          ListTile(
+            title: Text("R A W"),
+            subtitle: Text("Edit as raw SNBT"),
+            leading: Icon(Icons.edit),
+            onTap: () async {
+              await Navigator.pushNamed(context, "/snbt");
+              setState(() {});
+            },
           )
         ]),
       ),

lib/SessionData.dart

@@ -0,0 +1,5 @@
+import 'package:libac_dart/nbt/impl/CompoundTag.dart';
+
+class SessionData {
+  static CompoundTag ROOT_TAG = CompoundTag();
+}

lib/main.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:nbteditor/Editor.dart';
 import 'package:nbteditor/pages/AddPage.dart';
+import 'package:nbteditor/pages/SNBTEditor.dart';
 
 void main() {
   runApp(const MainApp());
@@ -15,7 +16,8 @@ class MainApp extends StatelessWidget {
       theme: ThemeData.dark(),
       routes: {
         "/": (context) => const Editor(),
-        "/add": (context) => AddPage()
+        "/add": (context) => AddPage(),
+        "/snbt": (context) => SnbtEdit()
       },
     );
   }

lib/pages/SNBTEditor.dart

@@ -0,0 +1,66 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_code_editor/flutter_code_editor.dart';
+import 'package:flutter_highlight/themes/vs.dart';
+import 'package:libac_dart/nbt/SnbtIo.dart';
+import 'package:libac_dart/nbt/impl/CompoundTag.dart';
+import 'package:nbteditor/Constants.dart';
+import 'package:nbteditor/SessionData.dart';
+
+class SnbtEdit extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return SnbtState();
+  }
+}
+
+class SnbtState extends State<SnbtEdit> {
+  CodeController snbt = CodeController();
+
+  @override
+  void didChangeDependencies() {
+    snbt.text = SnbtIo.writeToString(SessionData.ROOT_TAG);
+
+    setState(() {});
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("SNBT Editor"),
+        backgroundColor: Constants.TITLEBAR_COLOR,
+      ),
+      floatingActionButton: ElevatedButton(
+        onPressed: () async {
+          try {
+            CompoundTag ct =
+                (await SnbtIo.readFromString(snbt.text)).asCompoundTag();
+            snbt.text = SnbtIo.writeToString(ct);
+
+            setState(() {
+              SessionData.ROOT_TAG = ct;
+            });
+
+            ScaffoldMessenger.of(context).showSnackBar(
+                SnackBar(content: Text("Successfully edited NBT data")));
+          } catch (E) {
+            ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                content: Text("FATAL ERROR: Your SNBT Syntax is not valid")));
+          }
+        },
+        child: Text("Compile"),
+      ),
+      body: Padding(
+        padding: EdgeInsets.all(8),
+        child: CodeTheme(
+          data: CodeThemeData(styles: vsTheme),
+          child: SingleChildScrollView(
+            child: CodeField(
+              controller: snbt,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}