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CheckBox.swift
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CheckBox.swift
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//
// CheckBox
// CheckBox.swift
//
// Copyright © 2017 Kenan Atmaca. All rights reserved.
// kenanatmaca.com
//
import UIKit
enum size {
case small
case medium
case big
}
enum style {
case rect
case oval
}
enum effect {
case none
case normal
case scale
}
class CheckBox: NSObject {
private var window:UIView = UIView()
private var content:CAShapeLayer!
private var toView:UIView!
private var contentPath:UIBezierPath!
private var tapGesture:UITapGestureRecognizer!
private var boxStyle:style!
var animation:effect = .normal
var center:CGPoint? {
get {
return window.center
}
}
var size:CGSize? {
get {
return window.frame.size
}
}
var windowColor:UIColor? {
didSet {
window.backgroundColor = windowColor
}
}
var windowBorderColor:UIColor? {
didSet {
window.layer.borderColor = windowBorderColor?.cgColor
}
}
var windowBorderWidth:CGFloat! {
didSet {
window.layer.borderWidth = windowBorderWidth
}
}
var contentColor:UIColor?
var contentBorderColor:UIColor?
var state:Bool = false
private var normalAnimation:CABasicAnimation = {
let nAnim = CABasicAnimation()
nAnim.keyPath = "opacity"
nAnim.fromValue = 0
nAnim.toValue = 1
nAnim.duration = 1.1
nAnim.autoreverses = false
nAnim.fillMode = kCAFillModeForwards
nAnim.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
return nAnim
}()
private var scaleAnimation:CABasicAnimation = {
let sAnim = CABasicAnimation()
sAnim.keyPath = "transform.scale"
sAnim.fromValue = 0
sAnim.toValue = 1
sAnim.duration = 0.5
sAnim.fillMode = kCAFillModeForwards
sAnim.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionDefault)
return sAnim
}()
init(view:UIView,style:style) {
toView = view
boxStyle = style
}
func create(size: size, center:CGPoint) {
window = UIView()
window.center = center
window.backgroundColor = UIColor.clear
window.layer.borderWidth = 2
window.layer.borderColor = UIColor.lightGray.cgColor
window.translatesAutoresizingMaskIntoConstraints = false
switch (size) {
case .small:
window.frame.size = CGSize(width: 32.5, height: 32.5)
case .medium:
window.frame.size = CGSize(width: 40, height: 40)
case .big:
window.frame.size = CGSize(width: 47.5, height: 47.5)
}
if case boxStyle = style.rect {
window.layer.cornerRadius = 3
} else if case boxStyle = style.oval {
window.layer.cornerRadius = window.frame.size.width / 2
}
createContent()
toView.addSubview(window)
tapGesture = UITapGestureRecognizer(target: self, action: #selector(checkWindow))
window.addGestureRecognizer(tapGesture)
}
func checkWindow() {
if !state {
switch (animation) {
case .normal: content.add(normalAnimation, forKey: nil)
case .scale: content.add(scaleAnimation, forKey: nil)
default: return
}
content.fillColor = contentColor?.cgColor ?? UIColor.lightGray.cgColor
state = true
} else {
switch (animation) {
case .normal: content.add(normalAnimation, forKey: nil)
case .scale: content.add(scaleAnimation, forKey: nil)
default: return
}
content.fillColor = UIColor.clear.cgColor
state = false
}
}
private func createContent() {
let cw = size!.width - size!.width * 0.4
let ch = size!.height - size!.height * 0.4
let contentPathRect:CGRect = CGRect(x: size!.width / 2 - cw/2 , y: size!.height / 2 - ch / 2, width: cw, height: ch)
if case boxStyle = style.rect {
contentPath = UIBezierPath(roundedRect: contentPathRect, cornerRadius: 3)
} else if case boxStyle = style.oval {
contentPath = UIBezierPath(ovalIn: contentPathRect)
}
contentPath.close()
content = CAShapeLayer()
content.path = contentPath.cgPath
content.lineWidth = 1
content.strokeColor = contentBorderColor?.cgColor ?? UIColor.lightGray.cgColor
content.fillColor = state == false ? UIColor.clear.cgColor : contentColor?.cgColor ?? UIColor.lightGray.cgColor
window.layer.addSublayer(content)
}
func remove() {
content.removeAllAnimations()
content.removeFromSuperlayer()
window.removeFromSuperview()
}
}//