fixes after review

standard

src/app/files/file-explorer.js

@@ -211,7 +211,8 @@ function fileExplorer (localRegistry, files, menuItems) {
     if (key === self.files.type) return
     MENU_HANDLE && MENU_HANDLE.hide(null, true)
     let actions = {}
-    if (!self.files.readonly) {
+    const provider = self._deps.fileManager.fileProviderOf(key)
+    if (!provider.isReadOnly(key)) {
       actions['Rename'] = () => {
         if (self.files.readonly) { return tooltip('cannot rename file. ' + self.files.type + ' is a read only explorer') }
         var name = label.querySelector('span[data-path="' + key + '"]')
@@ -221,8 +222,7 @@ function fileExplorer (localRegistry, files, menuItems) {
         if (self.files.readonly) { return tooltip('cannot delete file. ' + self.files.type + ' is a read only explorer') }
         modalDialogCustom.confirm('Delete a file', 'Are you sure you want to delete this file?', () => { files.remove(key) }, () => {})
       }
-    }
+    } else {
-    if (self.files.type !== 'browser') {
       actions['Copy to Browser explorer'] = () => {
         files.get(key, (error, content) => {
           if (error) return tooltip(error)
@@ -245,13 +245,13 @@ function fileExplorer (localRegistry, files, menuItems) {
 
   // register to main app, trigger when the current file in the editor changed
   self._deps.fileManager.events.on('currentFileChanged', (newFile) => {
-    const explorer = self._deps.fileManager.fileProviderOf(newFile)
+    const provider = self._deps.fileManager.fileProviderOf(newFile)
     if (self.focusElement && self.focusPath !== newFile) {
       self.focusElement.classList.remove('bg-secondary')
       self.focusElement = null
       self.focusPath = null
     }
-    if (explorer && (explorer.type === files.type)) {
+    if (provider && (provider.type === files.type)) {
       self.focusElement = self.treeView.labelAt(newFile)
       if (self.focusElement) {
         self.focusElement.classList.add('bg-secondary')
@@ -350,7 +350,7 @@ fileExplorer.prototype.init = function () {
 fileExplorer.prototype.publishToGist = function () {
   modalDialogCustom.confirm(
     'Create a public gist',
-    'Are you sure you want to publish all your files in browser directory anonymously as a public gist on github.com?',
+    'Are you sure you want to publish all your files in browser directory anonymously as a public gist on github.com? Note: this will not include directories.',
     () => { this.toGist() }
   )
 }

src/app/files/fileProvider.js

@@ -36,6 +36,10 @@ class FileProvider {
 
   set (path, content, cb) {
     cb = cb || function () {}
+    if (this.isReadOnly(path)) {
+      cb(new Error('It is not possible to modify a readonly item'))
+      return false
+    }
     var unprefixedpath = this.removePrefix(path)
     var exists = window.remixFileSystem.existsSync(unprefixedpath)
     if (!exists && unprefixedpath.indexOf('/') !== -1) {
@@ -67,13 +71,13 @@ class FileProvider {
   }
 
   addReadOnly (path, content, url) {
-    this.readonlyItems.push(path)
+    this.readonlyItems.push('browser/' + path)
-    if (url !== undefined) this.normalizedNames[url] = path
+    if (!url) this.normalizedNames[url] = path
     return this.set(path, content)
   }
 
   isReadOnly (path) {
-    return !this.readonlyItems.includes(path)
+    return this.readonlyItems.includes(path)
   }
 
   remove (path) {