115 lines
3.1 KiB
Swift
115 lines
3.1 KiB
Swift
//
|
|
// Spinner.swift
|
|
// ProgressKit
|
|
//
|
|
// Created by Kauntey Suryawanshi on 28/07/15.
|
|
// Copyright (c) 2015 Kauntey Suryawanshi. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
import Cocoa
|
|
|
|
@IBDesignable
|
|
open class Spinner: IndeterminateAnimation {
|
|
|
|
var basicShape = CAShapeLayer()
|
|
var containerLayer = CAShapeLayer()
|
|
var starList = [CAShapeLayer]()
|
|
|
|
var animation: CAKeyframeAnimation = {
|
|
var animation = CAKeyframeAnimation(keyPath: "transform.rotation")
|
|
animation.repeatCount = Float.infinity
|
|
animation.calculationMode = kCAAnimationDiscrete
|
|
return animation
|
|
}()
|
|
|
|
@IBInspectable open var starSize:CGSize = CGSize(width: 6, height: 15) {
|
|
didSet {
|
|
notifyViewRedesigned()
|
|
}
|
|
}
|
|
|
|
@IBInspectable open var roundedCorners: Bool = true {
|
|
didSet {
|
|
notifyViewRedesigned()
|
|
}
|
|
}
|
|
|
|
|
|
@IBInspectable open var distance: CGFloat = CGFloat(20) {
|
|
didSet {
|
|
notifyViewRedesigned()
|
|
}
|
|
}
|
|
|
|
@IBInspectable open var starCount: Int = 10 {
|
|
didSet {
|
|
notifyViewRedesigned()
|
|
}
|
|
}
|
|
|
|
@IBInspectable open var duration: Double = 1 {
|
|
didSet {
|
|
animation.duration = duration
|
|
}
|
|
}
|
|
|
|
@IBInspectable open var clockwise: Bool = false {
|
|
didSet {
|
|
notifyViewRedesigned()
|
|
}
|
|
}
|
|
|
|
override func configureLayers() {
|
|
super.configureLayers()
|
|
|
|
containerLayer.frame = self.bounds
|
|
containerLayer.cornerRadius = frame.width / 2
|
|
self.layer?.addSublayer(containerLayer)
|
|
|
|
animation.duration = duration
|
|
}
|
|
|
|
override func notifyViewRedesigned() {
|
|
super.notifyViewRedesigned()
|
|
starList.removeAll(keepingCapacity: true)
|
|
containerLayer.sublayers = nil
|
|
animation.values = [Double]()
|
|
var i = 0.0
|
|
while i < 360 {
|
|
var iRadian = CGFloat(i * M_PI / 180.0)
|
|
if clockwise { iRadian = -iRadian }
|
|
|
|
animation.values?.append(iRadian)
|
|
let starShape = CAShapeLayer()
|
|
starShape.cornerRadius = roundedCorners ? starSize.width / 2 : 0
|
|
|
|
let centerLocation = CGPoint(x: frame.width / 2 - starSize.width / 2, y: frame.width / 2 - starSize.height / 2)
|
|
|
|
starShape.frame = CGRect(origin: centerLocation, size: starSize)
|
|
|
|
starShape.backgroundColor = foreground.cgColor
|
|
starShape.anchorPoint = CGPoint(x: 0.5, y: 0)
|
|
|
|
var rotation: CATransform3D = CATransform3DMakeTranslation(0, 0, 0.0);
|
|
|
|
rotation = CATransform3DRotate(rotation, -iRadian, 0.0, 0.0, 1.0);
|
|
rotation = CATransform3DTranslate(rotation, 0, distance, 0.0);
|
|
starShape.transform = rotation
|
|
|
|
starShape.opacity = Float(360 - i) / 360
|
|
containerLayer.addSublayer(starShape)
|
|
starList.append(starShape)
|
|
i = i + Double(360 / starCount)
|
|
}
|
|
}
|
|
|
|
override func startAnimation() {
|
|
containerLayer.add(animation, forKey: "rotation")
|
|
}
|
|
|
|
override func stopAnimation() {
|
|
containerLayer.removeAllAnimations()
|
|
}
|
|
}
|