psst

Editor/LuaFileAssetEditor.cs

@@ -1,15 +1,43 @@
-using Splashedit.RuntimeCode;
+using SplashEdit.RuntimeCode;
 using UnityEditor;
 using UnityEngine;
 
-[CustomEditor(typeof(LuaFile))]
-public class LuaScriptAssetEditor : Editor
+namespace SplashEdit.EditorCode
 {
-    private TextAsset asset;
-
-    public override void OnInspectorGUI()
+    /// <summary>
+    /// Custom inspector for <see cref="LuaFile"/> assets that displays the
+    /// embedded Lua source code in a read-only text area with an option to
+    /// open the source file in an external editor.
+    /// </summary>
+    [CustomEditor(typeof(LuaFile))]
+    public class LuaScriptAssetEditor : Editor
     {
-        LuaFile luaScriptAsset = (LuaFile)target;
-        EditorGUILayout.TextArea(luaScriptAsset.LuaScript);
+        private Vector2 _scrollPosition;
+
+        public override void OnInspectorGUI()
+        {
+            LuaFile luaScriptAsset = (LuaFile)target;
+
+            // Open in external editor button
+            string assetPath = AssetDatabase.GetAssetPath(target);
+            if (!string.IsNullOrEmpty(assetPath))
+            {
+                if (GUILayout.Button("Open in External Editor"))
+                {
+                    // Opens the .lua source file in the OS-configured editor
+                    UnityEditorInternal.InternalEditorUtility.OpenFileAtLineExternal(assetPath, 1);
+                }
+                EditorGUILayout.Space(4);
+            }
+
+            // Read-only source view
+            EditorGUILayout.LabelField("Lua Source", EditorStyles.boldLabel);
+            _scrollPosition = EditorGUILayout.BeginScrollView(_scrollPosition,
+                GUILayout.MaxHeight(400));
+            EditorGUI.BeginDisabledGroup(true);
+            EditorGUILayout.TextArea(luaScriptAsset.LuaScript, GUILayout.ExpandHeight(true));
+            EditorGUI.EndDisabledGroup();
+            EditorGUILayout.EndScrollView();
+        }
     }
 }