101 lines
3.1 KiB
Swift
101 lines
3.1 KiB
Swift
//
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// Copyright (c) 2023 Touch Instinct
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the Software), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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import UIKit
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open class DashedBoundsLayer: CAShapeLayer {
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public static var predefinedColors: [UIColor] {
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[.red, .green, .blue, .brown, .gray, .yellow, .magenta, .black, .orange, .purple, .cyan]
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}
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private var viewBoundsObservation: NSKeyValueObservation?
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public var dashColor: UIColor = predefinedColors.randomElement() ?? .black
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// MARK: - Open methods
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open func configure(on view: UIView) {
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fillColor = UIColor.clear.cgColor
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strokeColor = dashColor.cgColor
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lineWidth = 1
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lineDashPattern = [4.0, 2.0]
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updateGeometry(from: view)
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view.layer.addSublayer(self)
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viewBoundsObservation = view.observe(\.bounds, options: [.new]) { [weak self] view, _ in
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self?.updateGeometry(from: view)
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}
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}
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open func updateGeometry(from view: UIView) {
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frame = view.bounds
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path = UIBezierPath(rect: view.bounds).cgPath
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}
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}
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// MARK: - UIView + DashedBoundsLayer
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public extension UIView {
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@discardableResult
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func debugBoundsVisually(debugSubviews: Bool = true) -> UIView {
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disableBoundsVisuallyDebug()
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if debugSubviews {
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for subview in subviews {
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subview.debugBoundsVisually(debugSubviews: debugSubviews)
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}
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}
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let dashedLayer = DashedBoundsLayer()
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dashedLayer.configure(on: self)
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return self
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}
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func disableBoundsVisuallyDebug() {
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for sublayer in layer.sublayers ?? [] {
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if sublayer is DashedBoundsLayer {
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sublayer.removeFromSuperlayer()
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}
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}
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for subview in subviews {
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subview.disableBoundsVisuallyDebug()
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}
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}
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}
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// MARK: - UIViewController + DashedBoundsLayer
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public extension UIViewController {
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@discardableResult
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func debugBoundsVisually(debugSubviews: Bool = true) -> UIViewController {
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view.debugBoundsVisually(debugSubviews: debugSubviews)
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return self
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}
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}
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