105 lines
3.7 KiB
Swift
105 lines
3.7 KiB
Swift
//
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// CircularView.swift
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// Animo
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//
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// Created by Kauntey Suryawanshi on 29/06/15.
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// Copyright (c) 2015 Kauntey Suryawanshi. All rights reserved.
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//
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import Foundation
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import Cocoa
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@IBDesignable
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open class CircularProgressView: DeterminateAnimation {
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open var backgroundCircle = CAShapeLayer()
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open var progressLayer = CAShapeLayer()
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open var percentLabelLayer = CATextLayer()
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@IBInspectable open var strokeWidth: CGFloat = -1 {
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didSet {
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notifyViewRedesigned()
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}
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}
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@IBInspectable open var showPercent: Bool = true {
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didSet {
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notifyViewRedesigned()
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}
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}
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override func notifyViewRedesigned() {
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super.notifyViewRedesigned()
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backgroundCircle.lineWidth = self.strokeWidth / 2
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progressLayer.lineWidth = strokeWidth
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percentLabelLayer.isHidden = !showPercent
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backgroundCircle.strokeColor = foreground.withAlphaComponent(0.5).cgColor
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progressLayer.strokeColor = foreground.cgColor
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percentLabelLayer.foregroundColor = foreground.cgColor
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}
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override func updateProgress() {
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CATransaction.begin()
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if animated {
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CATransaction.setAnimationDuration(0.5)
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} else {
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CATransaction.setDisableActions(true)
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}
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let timing = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeOut)
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CATransaction.setAnimationTimingFunction(timing)
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progressLayer.strokeEnd = max(0, min(progress, 1))
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percentLabelLayer.string = "\(Int(progress * 100))%"
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CATransaction.commit()
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}
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override func configureLayers() {
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super.configureLayers()
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let rect = self.bounds
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let radius = (rect.width / 2) * 0.75
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let strokeScalingFactor = CGFloat(0.05)
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// Add background Circle
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do {
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backgroundCircle.frame = rect
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backgroundCircle.lineWidth = strokeWidth == -1 ? (rect.width * strokeScalingFactor / 2) : strokeWidth / 2
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backgroundCircle.strokeColor = foreground.withAlphaComponent(0.5).cgColor
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backgroundCircle.fillColor = NSColor.clear.cgColor
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let backgroundPath = NSBezierPath()
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backgroundPath.appendArc(withCenter: rect.mid, radius: radius, startAngle: 0, endAngle: 360)
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backgroundCircle.path = backgroundPath.CGPath
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self.layer?.addSublayer(backgroundCircle)
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}
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// Progress Layer
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do {
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progressLayer.strokeEnd = 0 //REMOVe this
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progressLayer.fillColor = NSColor.clear.cgColor
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progressLayer.lineCap = .round
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progressLayer.lineWidth = strokeWidth == -1 ? (rect.width * strokeScalingFactor) : strokeWidth
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progressLayer.frame = rect
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progressLayer.strokeColor = foreground.cgColor
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let arcPath = NSBezierPath()
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let startAngle = CGFloat(90)
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arcPath.appendArc(withCenter: rect.mid, radius: radius, startAngle: startAngle, endAngle: (startAngle - 360), clockwise: true)
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progressLayer.path = arcPath.CGPath
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self.layer?.addSublayer(progressLayer)
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}
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// Percentage Layer
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do {
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percentLabelLayer.string = "0%"
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percentLabelLayer.foregroundColor = foreground.cgColor
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percentLabelLayer.frame = rect
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percentLabelLayer.font = "Helvetica Neue Light" as CFTypeRef
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percentLabelLayer.alignmentMode = CATextLayerAlignmentMode.center
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percentLabelLayer.position.y = rect.midY * 0.25
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percentLabelLayer.fontSize = rect.width * 0.2
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self.layer?.addSublayer(percentLabelLayer)
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}
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}
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}
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