1 files changed, 31 insertions, 0 deletions
diff --git a/Hotline/Library/Utility/TextDocument.swift b/Hotline/Library/Utility/TextDocument.swift
new file mode 100644
index 0000000..82727de
--- /dev/null
+++ b/Hotline/Library/Utility/TextDocument.swift
@@ -0,0 +1,31 @@
+import Foundation
+import UniformTypeIdentifiers
+import SwiftUI
+
+struct TextFile: FileDocument {
+  // tell the system we support only plain text
+  static var readableContentTypes = [UTType.plainText, UTType.utf8PlainText]
+  
+  // by default our document is empty
+  var text = ""
+  
+  // a simple initializer that creates new, empty documents
+  init(initialText: String = "") {
+    text = initialText
+  }
+  
+  // this initializer loads data that has been saved previously
+  init(configuration: ReadConfiguration) throws {
+    
+    if let data = configuration.file.regularFileContents {
+      if let str = String(data: data, encoding: .utf8) {
+        self.text = str
+      }
+    }
+  }
+  
+  // this will be called when the system wants to write our data to disk
+  func fileWrapper(configuration: WriteConfiguration) throws -> FileWrapper {
+    return FileWrapper(regularFileWithContents: self.text.data(using: .utf8)!)
+  }
+}