32 lines
823 B
Swift
32 lines
823 B
Swift
//
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// Changeable.swift
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// VDS
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//
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// Created by Matt Bruce on 4/3/23.
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//
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import Foundation
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import UIKit
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import Combine
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public protocol Changeable: Handlerable where Self: UIControl {
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var onChangeSubscriber: AnyCancellable? { get set }
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}
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extension Changeable {
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/// Allows the setting of a completion block against the onChangeSubscriber cancellable. This will
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/// completion block will get executed against the UIControl publisher for the 'valueChange' action.
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public var onChange: ((Self) -> ())? {
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get { return nil }
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set {
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onChangeSubscriber?.cancel()
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if let newValue {
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onChangeSubscriber = publisher(for: .valueChanged)
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.sink { c in
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newValue(c)
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}
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}
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}
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}
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}
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