50 lines
1.5 KiB
Swift
50 lines
1.5 KiB
Swift
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import UIKit
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import SessionUIKit
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public extension NSObject {
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func navigationBarButton(imageName: String, selector: Selector) -> UIView {
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let button = OWSButton()
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button.setImage(imageName: imageName)
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button.themeTintColor = .textPrimary
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button.addTarget(self, action: selector, for: .touchUpInside)
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return button
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}
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}
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// MARK: -
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public extension UIViewController {
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func updateNavigationBar(navigationBarItems: [UIView]) {
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guard navigationBarItems.count > 0 else {
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self.navigationItem.rightBarButtonItems = []
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return
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}
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let spacing: CGFloat = 16
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let stackView = UIStackView(arrangedSubviews: navigationBarItems)
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stackView.axis = .horizontal
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stackView.spacing = spacing
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stackView.alignment = .center
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// Ensure layout works on older versions of iOS.
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var stackSize = CGSize.zero
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for item in navigationBarItems {
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let itemSize = item.sizeThatFits(.zero)
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stackSize.width += itemSize.width + spacing
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stackSize.height = max(stackSize.height, itemSize.height)
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}
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if navigationBarItems.count > 0 {
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stackSize.width -= spacing
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}
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stackView.frame = CGRect(origin: .zero, size: stackSize)
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self.navigationItem.rightBarButtonItem = UIBarButtonItem(customView: stackView)
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}
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}
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