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// SPDX-License-Identifier: MIT
// Copyright © 2018 WireGuard LLC. All Rights Reserved.
import UIKit
class ScrollableLabel: UIScrollView {
var text: String {
get { return label.text ?? "" }
set(value) { label.text = value }
}
var textColor: UIColor {
get { return label.textColor }
set(value) { label.textColor = value }
}
let label: UILabel
init() {
let label = UILabel()
label.translatesAutoresizingMaskIntoConstraints = false
label.textAlignment = .right
self.label = label
super.init(frame: CGRect.zero)
self.isDirectionalLockEnabled = true
self.showsHorizontalScrollIndicator = false
self.showsVerticalScrollIndicator = false
addSubview(label)
label.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
label.leftAnchor.constraint(equalTo: self.contentLayoutGuide.leftAnchor),
label.topAnchor.constraint(equalTo: self.contentLayoutGuide.topAnchor),
label.bottomAnchor.constraint(equalTo: self.contentLayoutGuide.bottomAnchor),
label.rightAnchor.constraint(equalTo: self.contentLayoutGuide.rightAnchor),
label.heightAnchor.constraint(equalTo: self.heightAnchor)
])
// If label has less content, it should expand to fit the scrollView,
// so that right-alignment works in the label.
let expandToFitValueLabelConstraint = NSLayoutConstraint(item: label, attribute: .width, relatedBy: .equal,
toItem: self, attribute: .width, multiplier: 1, constant: 0)
expandToFitValueLabelConstraint.priority = .defaultLow + 1
expandToFitValueLabelConstraint.isActive = true
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
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