add tooltip

src/app/files/file-explorer.js

@@ -6,6 +6,7 @@ var modalDialogCustom = require('../ui/modal-dialog-custom')
 var remixLib = require('remix-lib')
 var EventManager = remixLib.EventManager
 var contextMenu = require('../ui/contextMenu')
+var addTooltip = require('../ui/tooltip')
 var helper = require('../../lib/helper')
 
 var styleGuide = remixLib.ui.themeChooser
@@ -163,11 +164,12 @@ function fileExplorer (appAPI, files) {
   self.treeView.event.register('leafRightClick', function (key, data, label, event) {
     contextMenu(event, {
       'Rename': () => {
-        if (self.files.readonly) return
+        if (self.files.readonly) { return addTooltip('cannot rename. ' + self.files.type + ' is a read only explorer') }
         var name = label.querySelector('label[data-path="' + key + '"]')
         if (name) editModeOn(name)
       },
       'Delete': () => {
+        if (self.files.readonly) { return addTooltip('cannot delete. ' + self.files.type + ' is a read only explorer') }
         modalDialogCustom.confirm(null, 'Do you want to delete this file?', () => { files.remove(key) }, () => {})
       }
     })