74 lines
2.2 KiB
Swift
74 lines
2.2 KiB
Swift
//
|
|
// FocusableTextField.swift
|
|
// Tusker
|
|
//
|
|
// Created by Shadowfacts on 11/2/20.
|
|
// Copyright © 2020 Shadowfacts. All rights reserved.
|
|
//
|
|
|
|
import SwiftUI
|
|
|
|
struct FocusableTextField: UIViewRepresentable {
|
|
typealias UIViewType = UITextField
|
|
|
|
let placeholder: String
|
|
let text: Binding<String>
|
|
let becomeFirstResponder: Binding<Bool>?
|
|
let onCommit: (() -> Void)?
|
|
|
|
init(placeholder: String, text: Binding<String>, becomeFirstResponder: Binding<Bool>? = nil, onCommit: (() -> Void)? = nil) {
|
|
self.placeholder = placeholder
|
|
self.text = text
|
|
self.becomeFirstResponder = becomeFirstResponder
|
|
self.onCommit = onCommit
|
|
}
|
|
|
|
func makeUIView(context: Context) -> UITextField {
|
|
let field = UITextField()
|
|
field.delegate = context.coordinator
|
|
field.addTarget(context.coordinator, action: #selector(Coordinator.didChange(_:)), for: .editingChanged)
|
|
field.addTarget(context.coordinator, action: #selector(Coordinator.didEnd(_:)), for: .primaryActionTriggered)
|
|
return field
|
|
}
|
|
|
|
func updateUIView(_ uiView: UITextField, context: Context) {
|
|
uiView.placeholder = placeholder
|
|
uiView.text = text.wrappedValue
|
|
|
|
context.coordinator.text = text
|
|
context.coordinator.onCommit = onCommit
|
|
|
|
if becomeFirstResponder?.wrappedValue == true {
|
|
DispatchQueue.main.async {
|
|
uiView.becomeFirstResponder()
|
|
becomeFirstResponder?.wrappedValue = false
|
|
}
|
|
}
|
|
}
|
|
|
|
func makeCoordinator() -> Coordinator {
|
|
return Coordinator(text: text)
|
|
}
|
|
|
|
class Coordinator: NSObject, UITextFieldDelegate {
|
|
var text: Binding<String>
|
|
var onCommit: (() -> Void)?
|
|
|
|
init(text: Binding<String>) {
|
|
self.text = text
|
|
}
|
|
|
|
@objc func didChange(_ textField: UITextField) {
|
|
text.wrappedValue = textField.text ?? ""
|
|
}
|
|
|
|
@objc func didEnd(_ textField: UITextField) {
|
|
onCommit?()
|
|
}
|
|
|
|
func textFieldDidEndEditing(_ textField: UITextField) {
|
|
onCommit?()
|
|
}
|
|
}
|
|
}
|