restore changes dropped from altstore by 1713fcc

AltServer/ErrorDetailsViewController.swift

@@ -0,0 +1,48 @@
+//
+//  ErrorDetailsViewController.swift
+//  AltServer
+//
+//  Created by Riley Testut on 10/4/22.
+//  Copyright © 2022 Riley Testut. All rights reserved.
+//
+
+import AppKit
+
+class ErrorDetailsViewController: NSViewController
+{
+    var error: NSError? {
+        didSet {
+            self.update()
+        }
+    }
+    
+    @IBOutlet private var errorCodeLabel: NSTextField!
+    @IBOutlet private var detailedDescriptionLabel: NSTextField!
+    
+    override func viewDidLoad()
+    {
+        super.viewDidLoad()
+        
+        self.detailedDescriptionLabel.preferredMaxLayoutWidth = 800
+    }
+}
+
+private extension ErrorDetailsViewController
+{
+    func update()
+    {
+        if !self.isViewLoaded
+        {
+            self.loadView()
+        }
+        
+        guard let error = self.error else { return }
+        
+        self.errorCodeLabel.stringValue = error.localizedErrorCode
+        
+        let font = self.detailedDescriptionLabel.font ?? NSFont.systemFont(ofSize: 12)
+        let detailedDescription = error.formattedDetailedDescription(with: font)
+        self.detailedDescriptionLabel.attributedStringValue = detailedDescription
+    }
+}
+