     callback?()
 
     vmRoots = (@appStorage.getValue 'vmRoots') or {}
-    pipedVm = @_pipedVm vmName
+    pipedVm = @_pipedVmName vmName
     vmRoots[pipedVm] = path
     @appStorage.setValue 'vmRoots', vmRoots
 

        , yes

  isNodesHiddenFor:(vmName)->
    pipedVm = @_pipedVm vmName
    return (@appStorage.getValue('vmsDotFileChoices') or {})[pipedVm]

  setNodesHidden:(vmName, state)->
    pipedVm = @_pipedVm vmName
    prefs   = @appStorage.getValue('vmsDotFileChoices') or {}
    prefs[pipedVm] = state
    @appStorage.setValue 'vmsDotFileChoices', prefs

        folder.indexOf "[#{vmName}]" is 0
    iterate recentFolders, 0

  _pipedVmName:(vmName)-> vmName.replace /\./g, '|'

class VMMountStateWidget extends JView

