How to create a custom UIMenuController with only individual elements other than standard?

Question

I have a requirement to display menu items in uiwebview whenever a user selects any text.

I tried

let highlightMenuItem = UIMenuItem(title: "Highlight", action: #selector(ViewController.hightlight))

UIMenuController.sharedMenuController().menuItems = [highlightMenuItem]

but this only adds more to the default menu item. like this

Is there any way to achieve this only with the menu items "Copy", "Select" and "Note"?

Answer 1

UIWebView canPerformAction (Swift 3). , , false , .

:

class EditedUIMenuWebView: UIWebView {

  override func canPerformAction(_ action: Selector, withSender sender: AnyObject?) -> Bool {
    if action == #selector(cut(_:)) {
      return false
    }
    if action == #selector(paste(_:)) {
      return false
    }
    if action == #selector(select(_:)) {
      return false
    }
    if action == #selector(selectAll(_:)) {
      return false
    }
    ...

    return super.canPerformAction(action, withSender: sender)
  }

}

, , !

. , false canPerformAction true , :

override func canPerformAction(_ action: Selector, withSender sender: AnyObject?) -> Bool {
   if action == #selector(copy(_:)) || action == #selector(customMethod(_:)) {
     return true
   }
   ...
   return false
 }