111 lines
3.0 KiB
Swift
111 lines
3.0 KiB
Swift
//
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// LayoutConstraint.swift
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// MusicPlayer
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//
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// Created by Mr.Zhou on 2024/3/27.
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//
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import UIKit
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import Foundation
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//全局导入SnapKit库
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@_exported import SnapKit
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//MARK: - 约束布局适配扩展
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extension NSLayoutConstraint {
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///是否等比调整约束
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@IBInspectable var adapterScreen: Bool {
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get {
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return true
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}
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set {
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if newValue {
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self.constant = self.constant * width
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}
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}
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}
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/// 更改乘数约束
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/// - Parameter multiplier: 比例值
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/// - Returns: 更新后的约束
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func setMultiplier(multiplier:CGFloat) -> NSLayoutConstraint {
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NSLayoutConstraint.deactivate([self])
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let newConstraint = NSLayoutConstraint(
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item: firstItem as Any,
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attribute: firstAttribute,
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relatedBy: relation,
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toItem: secondItem,
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attribute: secondAttribute,
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multiplier: multiplier,
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constant: constant)
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newConstraint.priority = priority
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newConstraint.shouldBeArchived = self.shouldBeArchived
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newConstraint.identifier = self.identifier
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NSLayoutConstraint.activate([newConstraint])
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return newConstraint
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}
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}
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//MARK: - CALayer扩展
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extension CALayer {
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///设置边线颜色
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var borderUIColor: UIColor {
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get {
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return UIColor(cgColor: self.borderColor!)
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} set {
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self.borderColor = newValue.cgColor
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}
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}
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}
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//MARK: - UIView扩展
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extension UIView {
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///圆角值
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@IBInspectable var cornerRadius: CGFloat {
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get {
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return layer.cornerRadius
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} set {
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layer.masksToBounds = (newValue > 0)
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layer.cornerRadius = newValue * width
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}
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}
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///边线宽度
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@IBInspectable var borderWidth: CGFloat {
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get {
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return layer.borderWidth
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} set {
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layer.borderWidth = newValue
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}
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}
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///边线颜色
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@IBInspectable var borderColor: UIColor {
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get {
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return layer.borderUIColor
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} set {
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layer.borderColor = newValue.cgColor
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}
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}
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///获取父控制器
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func parentController() -> UIViewController? {
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var responder = self.next;
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repeat {
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if(responder?.isKind(of:UIViewController.classForCoder()))!{
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return responder as? UIViewController
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}
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responder = responder?.next
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}
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while((responder) != nil)
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return nil;
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}
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/// 获取指定类型的父视图控制器
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/// - Parameter ofType: 父视图控制器的类型
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/// - Returns: 指定类型的父视图控制器，如果找不到则返回 nil
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func parentController<T: UIViewController>(ofType: T.Type) -> T? {
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var responder = self.next
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while let nextResponder = responder {
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if let viewController = nextResponder as? T {
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return viewController
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}
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responder = nextResponder.next
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}
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return nil
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}
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}
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