hook up the add new tag page

lib/Editor.dart

@@ -96,7 +96,7 @@ class EditorState extends State<Editor> {
       ),
       body: TreeView(
         nodeBuilder: (context, node) {
-          return TagExt.render(node.data as Tag);
+          return TagExt.render(node.data as Tag, context);
         },
         controller: controller,
       ),

lib/main.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:nbteditor/Editor.dart';
+import 'package:nbteditor/pages/AddPage.dart';
 
 void main() {
   runApp(const MainApp());
@@ -12,7 +13,10 @@ class MainApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return MaterialApp(
       theme: ThemeData.dark(),
-      routes: {"/": (context) => const Editor()},
+      routes: {
+        "/": (context) => const Editor(),
+        "/add": (context) => AddPage()
+      },
     );
   }
 }

lib/pages/AddPage.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:libac_dart/nbt/Tag.dart';
+import 'package:nbteditor/Constants.dart';
+
+class AddPage extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() => AddState();
+}
+
+class AddState extends State<AddPage> {
+  @override
+  void didChangeDependencies() {
+    var args = ModalRoute.of(context)!.settings.arguments as AddElementArgs;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("Add Tag"),
+        backgroundColor: Constants.TITLEBAR_COLOR,
+      ),
+      body: Padding(
+        padding: EdgeInsets.all(8),
+        child: SingleChildScrollView(
+          child: Column(
+            children: [],
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class AddElementArgs {
+  Tag tag;
+  AddElementArgs({required this.tag});
+}

lib/tags/ByteArrayTag.dart

@@ -19,11 +19,11 @@ extension ByteArrayTagExt on ByteArrayTag {
         children: entries);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_ByteArray (${getKey()})"),
-      subtitle: TagExt.getElementDescriptor(
-          "${value.length} entries", true, false, canBeNamed(this)),
+      subtitle: TagExt.getElementDescriptor("${value.length} entries", true,
+          false, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/ByteTag.dart

@@ -8,11 +8,11 @@ extension ByteTagExt on ByteTag {
     return Node(key: path, label: "TAG_Byte ${getKey()}", data: this);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_Byte (${getKey()})"),
       subtitle: TagExt.getElementDescriptor(
-          "${value}", false, true, canBeNamed(this)),
+          "${value}", false, true, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/CompoundTag.dart

@@ -4,14 +4,16 @@ import 'package:libac_dart/nbt/impl/CompoundTag.dart';
 import 'package:nbteditor/tags/Tag.dart';
 
 extension CompoundTagExt on CompoundTag {
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
         title: Text("TAG_Compound (${getKey()})"),
         subtitle: TagExt.getElementDescriptor(
             "${value.length} tag${value.length > 1 ? "s" : ""}",
             true,
             false,
-            canBeNamed(this)));
+            canBeNamed(this),
+            this,
+            context));
   }
 
   Node getNode(String path) {

lib/tags/DoubleTag.dart

@@ -8,11 +8,11 @@ extension DoubleTagExt on DoubleTag {
     return Node(key: path, label: "TAG_Double ${getKey()}", data: this);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_Double (${getKey()})"),
       subtitle: TagExt.getElementDescriptor(
-          "${value}", false, true, canBeNamed(this)),
+          "${value}", false, true, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/FloatTag.dart

@@ -9,11 +9,11 @@ extension FloatTagExt on FloatTag {
     return Node(key: path, label: "TAG_Float ${getKey()}", data: this);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_Float (${getKey()})"),
       subtitle: TagExt.getElementDescriptor(
-          "${value}", false, true, canBeNamed(this)),
+          "${value}", false, true, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/IntArrayTag.dart

@@ -20,11 +20,11 @@ extension IntArrayTagExt on IntArrayTag {
         children: entries);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_IntArray (${getKey()})"),
-      subtitle: TagExt.getElementDescriptor(
-          "${value.length} entries", true, false, canBeNamed(this)),
+      subtitle: TagExt.getElementDescriptor("${value.length} entries", true,
+          false, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/IntTag.dart

@@ -9,11 +9,11 @@ extension IntTagExt on IntTag {
     return Node(key: path, label: "TAG_Int ${getKey()}", data: this);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_Int (${getKey()})"),
       subtitle: TagExt.getElementDescriptor(
-          "${value}", false, true, canBeNamed(this)),
+          "${value}", false, true, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/ListTag.dart

@@ -17,13 +17,13 @@ extension ListTagExt on ListTag {
     return Node(key: path, label: getKey(), data: this, children: nodes);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     TagType type = TagType.End;
     if (value.length > 0) type = get(0).getTagType();
 
     return ListTile(
         title: Text("TAG_List (${getKey()}) (${type})"),
-        subtitle: TagExt.getElementDescriptor(
-            "${value.length} entries", true, false, canBeNamed(this)));
+        subtitle: TagExt.getElementDescriptor("${value.length} entries", true,
+            false, canBeNamed(this), this, context));
   }
 }

lib/tags/LongArrayTag.dart

@@ -20,11 +20,11 @@ extension LongArrayTagExt on LongArrayTag {
         children: entries);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_LongArray (${getKey()})"),
-      subtitle: TagExt.getElementDescriptor(
-          "${value.length} entries", true, false, canBeNamed(this)),
+      subtitle: TagExt.getElementDescriptor("${value.length} entries", true,
+          false, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/LongTag.dart

@@ -9,11 +9,11 @@ extension LongTagExt on LongTag {
     return Node(key: path, label: "TAG_Long ${getKey()}", data: this);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_Long (${getKey()})"),
       subtitle: TagExt.getElementDescriptor(
-          "${value}", false, true, canBeNamed(this)),
+          "${value}", false, true, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/ShortTag.dart

@@ -9,11 +9,11 @@ extension ShortTagExt on ShortTag {
     return Node(key: path, label: "TAG_Short ${getKey()}", data: this);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_Short (${getKey()})"),
       subtitle: TagExt.getElementDescriptor(
-          "${value}", false, true, canBeNamed(this)),
+          "${value}", false, true, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/StringTag.dart

@@ -9,11 +9,11 @@ extension StringTagExt on StringTag {
     return Node(key: path, label: "TAG_String ${getKey()}", data: this);
   }
 
-  Widget render() {
+  Widget render(BuildContext context) {
     return ListTile(
       title: Text("TAG_String (${getKey()})"),
       subtitle: TagExt.getElementDescriptor(
-          "${value}", false, true, canBeNamed(this)),
+          "${value}", false, true, canBeNamed(this), this, context),
     );
   }
 }

lib/tags/Tag.dart

@@ -13,6 +13,7 @@ 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/pages/AddPage.dart';
 import 'package:nbteditor/tags/ByteArrayTag.dart';
 import 'package:nbteditor/tags/ByteTag.dart';
 import 'package:nbteditor/tags/CompoundTag.dart';
@@ -27,55 +28,55 @@ import 'package:nbteditor/tags/ShortTag.dart';
 import 'package:nbteditor/tags/StringTag.dart';
 
 class TagExt {
-  static Widget render(Tag tag) {
+  static Widget render(Tag tag, BuildContext context) {
     switch (tag.getTagType()) {
       case TagType.List:
         {
-          return (tag as ListTag).render();
+          return (tag as ListTag).render(context);
         }
       case TagType.Byte:
         {
-          return (tag as ByteTag).render();
+          return (tag as ByteTag).render(context);
         }
       case TagType.Int:
         {
-          return (tag as IntTag).render();
+          return (tag as IntTag).render(context);
         }
       case TagType.Double:
         {
-          return (tag as DoubleTag).render();
+          return (tag as DoubleTag).render(context);
         }
       case TagType.LongArray:
         {
-          return (tag as LongArrayTag).render();
+          return (tag as LongArrayTag).render(context);
         }
       case TagType.Long:
         {
-          return (tag as LongTag).render();
+          return (tag as LongTag).render(context);
         }
       case TagType.IntArray:
         {
-          return (tag as IntArrayTag).render();
+          return (tag as IntArrayTag).render(context);
         }
       case TagType.ByteArray:
         {
-          return (tag as ByteArrayTag).render();
+          return (tag as ByteArrayTag).render(context);
         }
       case TagType.String:
         {
-          return (tag as StringTag).render();
+          return (tag as StringTag).render(context);
         }
       case TagType.Compound:
         {
-          return (tag as CompoundTag).render();
+          return (tag as CompoundTag).render(context);
         }
       case TagType.Short:
         {
-          return (tag as ShortTag).render();
+          return (tag as ShortTag).render(context);
         }
       case TagType.Float:
         {
-          return (tag as FloatTag).render();
+          return (tag as FloatTag).render(context);
         }
       case TagType.End:
         {
@@ -141,8 +142,8 @@ class TagExt {
     }
   }
 
-  static Widget getElementDescriptor(
-      String descript, bool canAddElements, bool editableValue, bool isNamed) {
+  static Widget getElementDescriptor(String descript, bool canAddElements,
+      bool editableValue, bool isNamed, Tag tag, BuildContext ctx) {
     return Row(
       children: [
         Text(descript),
@@ -150,7 +151,12 @@ class TagExt {
           width: 100,
         ),
         if (canAddElements)
-          ElevatedButton(onPressed: () {}, child: Icon(Icons.add)),
+          ElevatedButton(
+              onPressed: () async {
+                var response = await Navigator.pushNamed(ctx, "/add",
+                    arguments: AddElementArgs(tag: tag));
+              },
+              child: Icon(Icons.add)),
         if (isNamed)
           ElevatedButton(onPressed: () {}, child: Text("R E N A M E")),
         if (editableValue)