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Add delegate #154

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17 changes: 17 additions & 0 deletions Sources/M13Checkbox.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,18 @@

import UIKit

/// The delegate protocol fires when check and uncheck the box.
public protocol M13CheckboxDelegate: class {

/// Called when check the M13CheckBox
/// - Parameter checkBox: Current M13CheckBox object
func checked(_ checkBox:M13Checkbox)

/// Called when uncheck the M13CheckBox
/// - Parameter checkBox: Current M13Checkbox object
func unchecked(_ checkBox:M13Checkbox)
}

/// A customizable checkbox control for iOS.
@IBDesignable
open class M13Checkbox: UIControl {
Expand All @@ -21,6 +33,9 @@ open class M13Checkbox: UIControl {
// MARK: - Constants
//----------------------------

/// The M13Checkbox delegate.
weak public var delegate: M13CheckboxDelegate?

/**
The possible states the check can be in.

Expand Down Expand Up @@ -319,9 +334,11 @@ open class M13Checkbox: UIControl {
open func toggleCheckState(_ animated: Bool = false) {
switch checkState {
case .checked:
delegate?.unchecked(self)
setCheckState(.unchecked, animated: animated)
break
case .unchecked:
delegate?.checked(self)
setCheckState(.checked, animated: animated)
break
case .mixed:
Expand Down