From a9c9a02f0ce3d750b3d28093f4f052f5b644b1c2 Mon Sep 17 00:00:00 2001
From: Mak Ho-Cheung <nathan_mak@outlook.com>
Date: Fri, 11 Mar 2022 22:06:58 +0800
Subject: [PATCH] feat: support readOnly option of CodeMirror

close #7
---
 Sources/CodeMirror-SwiftUI/Representables/CodeView.swift | 9 +++++++--
 .../Representables/CodeViewController.swift              | 8 ++++++--
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/Sources/CodeMirror-SwiftUI/Representables/CodeView.swift b/Sources/CodeMirror-SwiftUI/Representables/CodeView.swift
index 31d72fb..2adbb15 100644
--- a/Sources/CodeMirror-SwiftUI/Representables/CodeView.swift
+++ b/Sources/CodeMirror-SwiftUI/Representables/CodeView.swift
@@ -30,6 +30,7 @@ public struct CodeView: RepresentableView {
   var fontSize: Int
   var showInvisibleCharacters: Bool
   var lineWrapping: Bool
+  var readOnly: String
   
   var onLoadSuccess: (() -> ())?
   var onLoadFail: ((Error) -> ())?
@@ -41,13 +42,16 @@ public struct CodeView: RepresentableView {
               mode: Mode,
               fontSize: Int = 12,
               showInvisibleCharacters: Bool = true,
-              lineWrapping: Bool = true) {
+              lineWrapping: Bool = true,
+              readOnly: String = "false"
+  ) {
     self._code = code
     self.mode = mode
     self.theme = theme
     self.fontSize = fontSize
     self.showInvisibleCharacters = showInvisibleCharacters
     self.lineWrapping = lineWrapping
+    self.readOnly = readOnly
   }
   
   
@@ -150,7 +154,7 @@ extension CodeView {
     context.coordinator.setFontSize(fontSize)
     context.coordinator.setShowInvisibleCharacters(showInvisibleCharacters)
     context.coordinator.setLineWrapping(lineWrapping)
-    
+    context.coordinator.setReadonly(readOnly)
     return webView
   }
   
@@ -163,6 +167,7 @@ extension CodeView {
     context.coordinator.setFontSize(fontSize)
     context.coordinator.setShowInvisibleCharacters(showInvisibleCharacters)
     context.coordinator.setLineWrapping(lineWrapping)
+    context.coordinator.setReadonly(readOnly)
   }
   
   func updateWhatsNecessary(elementGetter: (JavascriptCallback?) -> Void,
diff --git a/Sources/CodeMirror-SwiftUI/Representables/CodeViewController.swift b/Sources/CodeMirror-SwiftUI/Representables/CodeViewController.swift
index 06482ad..8a24cdd 100644
--- a/Sources/CodeMirror-SwiftUI/Representables/CodeViewController.swift
+++ b/Sources/CodeMirror-SwiftUI/Representables/CodeViewController.swift
@@ -184,8 +184,12 @@ extension CodeViewController {
     setMimeType("application/json")
   }
   
-  func setReadonly(_ value: Bool) {
-    callJavascript(javascriptString: "SetReadOnly(\(value));")
+  func setReadonly(_ value: String) {
+    var jsString = "SetReadOnly(\(value));"
+    if value == "nocursor" {
+        jsString = "SetReadOnly(\"\(value)\");"
+    }
+    callJavascript(javascriptString: jsString)
   }
   
   func getTextSelection(_ block: JavascriptCallback?) {