49 lines
1.5 KiB
Swift
49 lines
1.5 KiB
Swift
#if os(iOS)
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import UIKit
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public extension UIViewController {
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func embed(childViewController child: UIViewController, heightRatio: CGFloat? = nil) {
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addChild(child)
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child.view.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(child.view)
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var constraints = [
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child.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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child.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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child.view.bottomAnchor.constraint(equalTo: view.bottomAnchor)
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]
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if let heightRatio = heightRatio {
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constraints.append(child.view.heightAnchor.constraint(equalTo: view.heightAnchor, multiplier: heightRatio))
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} else {
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constraints.append(child.view.topAnchor.constraint(equalTo: view.topAnchor))
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}
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NSLayoutConstraint.activate(constraints)
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child.didMove(toParent: self)
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}
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}
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#endif
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#if os(macOS)
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import AppKit
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public extension NSViewController {
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func embed(childViewController child: NSViewController) {
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addChild(child)
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child.view.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(child.view)
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NSLayoutConstraint.activate([
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child.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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child.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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child.view.topAnchor.constraint(equalTo: view.topAnchor),
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child.view.bottomAnchor.constraint(equalTo: view.bottomAnchor)
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])
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}
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}
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#endif
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