Add messagebox, bugfixes

src/Settings.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace NoccyLabs\JEdit;
+
+class Settings
+{
+    public static bool $editorQuotedKeys = false;
+
+    public static function load(string $filename): void
+    {
+        if (file_exists($filename) && is_readable($filename)) {
+            $data = json_decode(file_get_contents($filename));
+            self::$editorQuotedKeys = $data->editorQuotedKeys ?? false;
+        }
+    }
+
+    public static function save(string $filename): void
+    {
+        $data = json_encode([
+            'editorQuotedKeys' => self::$editorQuotedKeys
+        ], JSON_UNESCAPED_SLASHES|JSON_PRETTY_PRINT)."\n";
+        @file_put_contents($filename, $data);
+    }
+
+    public static function set(string $key, mixed $value): void
+    {
+        switch ($key) {
+            case 'editorQuotedKeys':
+                self::$editorQuotedKeys = (bool)$value; break;
+        }
+    }
+}