Hooks up rename prompt

lib/Editor.dart

@@ -19,7 +19,21 @@ class EditorState extends State<Editor> {
   List<Node> nodes = [CompoundTag().getNode("/")];
   bool compressed = false;
 
+  static EditorState? _inst;
+  EditorState._() {
+    _inst = this;
+  }
   late TreeViewController controller;
+  factory EditorState() {
+    if (_inst == null)
+      return EditorState._();
+    else
+      return _inst!;
+  }
+
+  void update() {
+    setState(() {});
+  }
 
   String appendCompressed() {
     if (compressed) {

lib/pages/AddPage.dart

@@ -34,5 +34,14 @@ class AddState extends State<AddPage> {
 
 class AddElementArgs {
   Tag tag;
-  AddElementArgs({required this.tag});
+  bool allowAllTagTypes;
+  bool isArray;
+
+  List<TagType> allowedTagTypes;
+
+  AddElementArgs(
+      {required this.tag,
+      required this.allowAllTagTypes,
+      required this.isArray,
+      this.allowedTagTypes = const []});
 }

lib/pages/RenamePrompt.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+
+class RenamePrompt extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return RenameState();
+  }
+}
+
+class RenameState extends State<RenamePrompt> {
+  TextEditingController name = TextEditingController();
+
+  @override
+  void didChangeDependencies() {
+    var args = ModalRoute.of(context)!.settings.arguments as String;
+
+    name.text = args;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+        icon: Icon(Icons.edit_attributes),
+        title: Text("Edit Tag Name"),
+        actions: [
+          ElevatedButton(
+              onPressed: () {
+                Navigator.pop(context, name.text);
+              },
+              child: Text("SUBMIT")),
+          ElevatedButton(
+            onPressed: () {
+              Navigator.pop(context);
+            },
+            child: const Text("CANCEL"),
+          )
+        ],
+        content: TextField(
+          controller: name,
+        ));
+  }
+}

lib/tags/Tag.dart

@@ -13,7 +13,9 @@ import 'package:libac_dart/nbt/impl/LongArrayTag.dart';
 import 'package:libac_dart/nbt/impl/LongTag.dart';
 import 'package:libac_dart/nbt/impl/ShortTag.dart';
 import 'package:libac_dart/nbt/impl/StringTag.dart';
+import 'package:nbteditor/Editor.dart';
 import 'package:nbteditor/pages/AddPage.dart';
+import 'package:nbteditor/pages/RenamePrompt.dart';
 import 'package:nbteditor/tags/ByteArrayTag.dart';
 import 'package:nbteditor/tags/ByteTag.dart';
 import 'package:nbteditor/tags/CompoundTag.dart';
@@ -153,12 +155,63 @@ class TagExt {
         if (canAddElements)
           ElevatedButton(
               onPressed: () async {
+                bool allowAllTagTypes = true;
+                bool isArray = false;
+                List<TagType> allowedTypes = [];
+                if (tag is CompoundTag) allowAllTagTypes = true;
+                if (tag is ListTag) {
+                  ListTag lst = tag as ListTag;
+                  if (lst.size() == 0)
+                    allowAllTagTypes = true;
+                  else {
+                    allowAllTagTypes = false;
+                    allowedTypes = [lst.get(0).getTagType()];
+                  }
+                }
+                if (tag is ByteArrayTag) {
+                  allowAllTagTypes = false;
+                  isArray = true;
+                  allowedTypes = [TagType.Byte];
+                }
+
+                if (tag is IntArrayTag) {
+                  allowAllTagTypes = false;
+                  isArray = true;
+                  allowedTypes = [TagType.Int];
+                }
+
+                if (tag is LongArrayTag) {
+                  allowAllTagTypes = false;
+                  isArray = true;
+                  allowedTypes = [TagType.Long];
+                }
+
                 var response = await Navigator.pushNamed(ctx, "/add",
-                    arguments: AddElementArgs(tag: tag));
+                    arguments: AddElementArgs(
+                        tag: tag,
+                        allowAllTagTypes: allowAllTagTypes,
+                        isArray: isArray,
+                        allowedTagTypes: allowedTypes));
               },
               child: Icon(Icons.add)),
         if (isNamed)
-          ElevatedButton(onPressed: () {}, child: Text("R E N A M E")),
+          ElevatedButton(
+              onPressed: () async {
+                var response = await showDialog(
+                    context: ctx,
+                    routeSettings: RouteSettings(arguments: tag.getKey()),
+                    builder: (B) {
+                      return RenamePrompt();
+                    });
+
+                if (response is String) {
+                  tag.setKey(response as String);
+
+                  EditorState state = EditorState();
+                  state.update();
+                }
+              },
+              child: Text("R E N A M E")),
         if (editableValue)
           ElevatedButton(onPressed: () {}, child: Text("E D I T"))
       ],