Add Custom UIMenuController in SwiftUI - ios

Question

I want to highlight some sentence inside the TextEditor by giving selection on the text, then I want a new custom UIMenuController but in Swift UI, I've followed some tutorial and it works in UIKit but it can't appear when I try to implement in inside swiftUI using UIRepresentable, any ideas to add that custom UIMenuController in SwiftUI?
class Coordinator: NSObject, UITextViewDelegate
{
var text: Binding<String>
var model: ScriptField_Model
init(_ text: Binding<String>, _ model: ScriptField_Model) {
self.text = text
self.model = model
}
func textViewDidChange(_ textView: UITextView) {
self.text.wrappedValue = textView.text
self.model.text = textView.text
}
func textViewDidChangeSelection(_ textView: UITextView) {
let menuItem1: UIMenuItem = UIMenuItem(title: "Menu 1", action: #selector(onMenu1(sender:)))
// Store MenuItem in array.
let myMenuItems: [UIMenuItem] = [menuItem1]
// Added MenuItem to MenuController.
UIMenuController.shared.menuItems = myMenuItems
UIMenuController.shared.hideMenu()
}
func textFieldShouldReturn(_ textView: UITextView) -> Bool {
return true
}
#objc internal func onMenu1(sender: UIMenuItem) {
print("onMenu1")
}
}
this is the part i try to add when select the sentence :
func textViewDidChangeSelection(_ textView: UITextView) {
let menuItem1: UIMenuItem = UIMenuItem(title: "Menu 1", action: #selector(onMenu1(sender:)))
// Store MenuItem in array.
let myMenuItems: [UIMenuItem] = [menuItem1]
// Added MenuItem to MenuController.
UIMenuController.shared.menuItems = myMenuItems
UIMenuController.shared.hideMenu()
}
Any Help and reference, i will appreciate it.. thankyouu

Answer 1

first create class like CVEDictTextView
import Foundation
import SwiftUI
class CVEDictTextView: UITextView {
override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
let newInstanceItem = UIMenuItem(title: "Lookup", action:#selector(lookup))
UIMenuController.shared.menuItems = [newInstanceItem]
UIMenuController.shared.hideMenu()
if(action == #selector(lookup)){
return true
}
return false
}
#objc func lookup() {
if(self.selectedRange.location != NSNotFound ){
let str = self.value(forKey: "text") as! String
var str2 = String(str.dropFirst(self.selectedRange.location))
str2 = String(str2.dropLast(str2.count - self.selectedRange.length))
print(str2)
}
}
}
and create TextView UIViewRepresentable
struct TextView: UIViewRepresentable {
#Binding var text: String
#Binding var textStyle: UIFont.TextStyle
func makeUIView(context: Context) -> UITextView {
let textView = CVEDictTextView()
textView.delegate = context.coordinator
textView.font = UIFont.preferredFont(forTextStyle: textStyle)
textView.autocapitalizationType = .sentences
textView.isSelectable = true
textView.isUserInteractionEnabled = true
textView.isEditable = false
return textView
}
func updateUIView(_ uiView: UITextView, context: Context) {
uiView.text = text
uiView.font = UIFont.preferredFont(forTextStyle: textStyle)
}
func makeCoordinator() -> Coordinator {
Coordinator($text)
}
class Coordinator: NSObject, UITextViewDelegate {
var text: Binding<String>
init(_ text: Binding<String>) {
self.text = text
}
func textViewDidChange(_ textView: UITextView) {
self.text.wrappedValue = textView.text
}
}
}
in SwitfUI view
using it
#State private var message = "hello how are you \n\t are you ok? email : hung.phuoc.tran#gmail.com"
#State private var textStyle = UIFont.TextStyle.body
TextView(text: $message, textStyle: $textStyle)
.padding(.horizontal)