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SPUIButtonExtenshion.swift
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SPUIButtonExtenshion.swift
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// The MIT License (MIT)
// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
import UIKit
extension UIButton {
typealias UIButtonTargetClosure = () -> ()
private class ClosureWrapper: NSObject {
let closure: UIButtonTargetClosure
init(_ closure: @escaping UIButtonTargetClosure) {
self.closure = closure
}
}
private struct AssociatedKeys {
static var targetClosure = "targetClosure"
}
private var targetClosure: UIButtonTargetClosure? {
get {
guard let closureWrapper = objc_getAssociatedObject(self, &AssociatedKeys.targetClosure) as? ClosureWrapper else { return nil }
return closureWrapper.closure
}
set(newValue) {
guard let newValue = newValue else { return }
objc_setAssociatedObject(self, &AssociatedKeys.targetClosure, ClosureWrapper(newValue), objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
}
func target(_ action: @escaping UIButtonTargetClosure) {
targetClosure = action
addTarget(self, action: #selector(UIButton.targetAction), for: .touchUpInside)
}
@objc func targetAction() {
guard let targetClosure = targetClosure else { return }
targetClosure()
}
}
extension UIButton {
func setTitle(_ title: String) {
self.setTitle(title, for: .normal)
}
func setTitleColor(_ color: UIColor) {
self.setTitleColorForNoramlAndHightlightedStates(color: color)
}
func removeAllTargets() {
self.removeTarget(nil, action: nil, for: .allEvents)
}
func showText(_ text: String, withComplection completion: (() -> Void)! = {}) {
let baseText = self.titleLabel?.text ?? " "
SPAnimation.animate(0.2,
animations: {
self.titleLabel?.alpha = 0
}, withComplection: {
self.setTitle(text, for: .normal)
SPAnimation.animate(0.2, animations: {
self.titleLabel?.alpha = 1
}, withComplection: {
SPAnimation.animate(0.2, animations: {
self.titleLabel?.alpha = 0
}, delay: 0.35,
withComplection: {
self.setTitle(baseText, for: .normal)
SPAnimation.animate(0.2, animations: {
self.titleLabel?.alpha = 1
}, withComplection: {
completion()
})
})
})
})
}
func setAnimatableText(_ text: String, withComplection completion: (() -> Void)! = {}) {
SPAnimation.animate(0.2,
animations: {
self.titleLabel?.alpha = 0
}, withComplection: {
self.setTitle(text, for: .normal)
SPAnimation.animate(0.2, animations: {
self.titleLabel?.alpha = 1
}, withComplection: {
completion()
})
})
}
func hideContent(completion: (() -> Void)! = {}) {
SPAnimation.animate(0.2,
animations: {
self.titleLabel?.alpha = 0
}, withComplection: {
completion()
})
}
func showContent(completion: (() -> Void)! = {}) {
SPAnimation.animate(0.2,
animations: {
self.titleLabel?.alpha = 1
}, withComplection: {
completion()
})
}
func setTitleColorForNoramlAndHightlightedStates(color: UIColor) {
self.setTitleColor(color, for: .normal)
self.setTitleColor(color.withAlphaComponent(0.7), for: .highlighted)
}
}