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67 lines
2.6 KiB
67 lines
2.6 KiB
// |
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// UIBarButtonItem+Custom.swift |
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// Lookfit |
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// |
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// Created by lemo on 2018/5/16. |
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// Copyright © 2020年 ecell. All rights reserved. |
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// |
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import UIKit |
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fileprivate struct Metric { |
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static let itemMargin: CGFloat = 11 - 8 |
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// 系统边距 6P：20 其余：16 |
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static let systemMargin: CGFloat = (-kNavBarItemMargin + Metric.itemMargin) |
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static let ios11Imageinset: CGFloat = -(5.0 + 8.0) |
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} |
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extension UIBarButtonItem { |
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/// 导航栏按钮(图片) |
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/// |
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/// - Parameters: |
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/// - direction: true: 左边 false: 右边 |
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static func barButtonItem(_ normalImageName: String, _ highImageName: String?, _ target: Any?, _ action: Selector, _ direction: Bool) -> [UIBarButtonItem] { |
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let button = UIButton(type: .custom) |
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let normalImage = UIImage(named: normalImageName) |
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button.setImage(normalImage, for: .normal) |
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button.frame.size = (normalImage?.size)! |
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if highImageName != nil { |
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button.setImage(UIImage(named: highImageName!), for: .highlighted) |
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} |
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button.addTarget(target, action: action, for: .touchUpInside) |
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// IOS11 fixedSpace 失效，使用此方法 |
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if kIOS11 { |
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button.imageEdgeInsets = direction ? UIEdgeInsets(top: 0, left: Metric.ios11Imageinset, bottom: 0, right: 0) : UIEdgeInsets(top: 0, left: 0, bottom: 0, right: Metric.ios11Imageinset) |
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button.contentHorizontalAlignment = direction ? .left : .right |
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return [UIBarButtonItem(customView: button)] |
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} |
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// 按钮间距为6，6P间距为20，6位16 |
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let fixedSpace = UIBarButtonItem(barButtonSystemItem: .fixedSpace, target: nil, action: nil) |
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fixedSpace.width = Metric.systemMargin |
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return [fixedSpace, UIBarButtonItem(customView: button)] |
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} |
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/// 常用导航栏按钮(图片 + 文字) |
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/// |
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/// - Parameters: |
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/// - direction: true: 左边 false: 右边 |
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static func baseBarButtonItem(normalImg: String?, highImg: String?, title: String?, target: Any?, action: Selector?) -> UIBarButtonItem { |
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let button = UIButton(type: .custom) |
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if let normalImg = normalImg { |
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button.setImage(UIImage(named: normalImg), for: .normal) |
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} |
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if let highImg = highImg { |
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button.setImage(UIImage(named: highImg), for: .highlighted) |
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} |
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button.setTitle(title, for: .normal) |
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button.titleLabel?.font = SystemMediumFont(18) |
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button.setTitleColor(ThemeManager.commonTextColor, for: .normal) |
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if let action = action { |
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button.addTarget(target, action: action, for: .touchUpInside) |
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} |
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return UIBarButtonItem(customView: button) |
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} |
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}
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