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//
// STView.swift
// STBaseProject
//
// Created by 寒江孤影 on 2019/10/14.
//
import UIKit
public struct STCornerRadius {
public var topLeft: CGFloat
public var topRight: CGFloat
public var bottomLeft: CGFloat
public var bottomRight: CGFloat
public init(topLeft: CGFloat = 0, topRight: CGFloat = 0, bottomLeft: CGFloat = 0, bottomRight: CGFloat = 0) {
self.topLeft = topLeft
self.topRight = topRight
self.bottomLeft = bottomLeft
self.bottomRight = bottomRight
}
public init(all: CGFloat) {
self.topLeft = all
self.topRight = all
self.bottomLeft = all
self.bottomRight = all
}
}
// MARK: - 阴影配置结构
public struct STShadowConfig {
public var color: UIColor
public var offset: CGSize
public var radius: CGFloat
public var opacity: Float
public init(color: UIColor = .black, offset: CGSize = CGSize(width: 0, height: 2), radius: CGFloat = 4, opacity: Float = 0.3) {
self.color = color
self.offset = offset
self.radius = radius
self.opacity = opacity
}
}
// MARK: - 渐变配置结构
public struct STGradientConfig {
public var colors: [UIColor]
public var startPoint: CGPoint
public var endPoint: CGPoint
public var locations: [NSNumber]?
public init(colors: [UIColor], startPoint: CGPoint = CGPoint(x: 0, y: 0), endPoint: CGPoint = CGPoint(x: 1, y: 1), locations: [NSNumber]? = nil) {
self.colors = colors
self.startPoint = startPoint
self.endPoint = endPoint
self.locations = locations
}
}
@IBDesignable
open class STView: UIView {
@IBInspectable open var cornerRadius: CGFloat {
get {
return self.layer.cornerRadius
}
set {
self.layer.cornerRadius = newValue
self.st_updateLiquidGlassCornerRadius()
}
}
@IBInspectable open var clipsContentToBounds: Bool {
get {
return self.layer.masksToBounds
}
set {
self.layer.masksToBounds = newValue
}
}
@IBInspectable open var borderWidth: CGFloat {
get {
return self.layer.borderWidth
}
set {
self.layer.borderWidth = newValue > 0 ? newValue : 0
}
}
@IBInspectable open var borderColor: UIColor? {
get {
guard let color = self.layer.borderColor else { return nil }
return UIColor(cgColor: color)
}
set {
self.layer.borderColor = newValue?.cgColor
}
}
@IBInspectable open var isLiquidGlassEnabled: Bool = false {
didSet {
if self.isLiquidGlassEnabled {
self.updateLiquidGlassBackground()
} else {
self.st_disableLiquidGlassBackground()
}
}
}
@IBInspectable open var liquidGlassTintColor: UIColor = UIColor.white.withAlphaComponent(0.18) {
didSet {
self.updateLiquidGlassBackground()
}
}
@IBInspectable open var liquidGlassHighlightOpacity: Float = 0.45 {
didSet {
self.updateLiquidGlassBackground()
}
}
@IBInspectable open var liquidGlassBorderColor: UIColor = UIColor.white.withAlphaComponent(0.45) {
didSet {
self.updateLiquidGlassBackground()
}
}
override open func layoutSubviews() {
super.layoutSubviews()
self.st_updateLiquidGlassCornerRadius()
}
private func updateLiquidGlassBackground() {
guard self.isLiquidGlassEnabled else { return }
self.st_enableLiquidGlassBackground(
tintColor: self.liquidGlassTintColor,
highlightOpacity: self.liquidGlassHighlightOpacity,
borderColor: self.liquidGlassBorderColor
)
}
}
// MARK: - UIView 圆角扩展
public extension UIView {
/// 设置自定义圆角（修复原方法bug）
/// - Parameters:
/// - topLeft: 左上角圆角半径
/// - topRight: 右上角圆角半径
/// - bottomLeft: 左下角圆角半径
/// - bottomRight: 右下角圆角半径
func st_setCustomCorners(topLeft: CGFloat, topRight: CGFloat, bottomLeft: CGFloat, bottomRight: CGFloat) {
let cornerRadius = STCornerRadius(topLeft: topLeft, topRight: topRight, bottomLeft: bottomLeft, bottomRight: bottomRight)
self.st_setCustomCorners(cornerRadius)
}
/// 使用配置结构设置圆角
/// - Parameter cornerRadius: 圆角配置
func st_setCustomCorners(_ cornerRadius: STCornerRadius) {
self.layoutIfNeeded()
let path = UIBezierPath()
let bounds = self.bounds
// 创建自定义圆角路径
path.move(to: CGPoint(x: cornerRadius.topLeft, y: 0))
path.addLine(to: CGPoint(x: bounds.width - cornerRadius.topRight, y: 0))
path.addQuadCurve(to: CGPoint(x: bounds.width, y: cornerRadius.topRight), controlPoint: CGPoint(x: bounds.width, y: 0))
path.addLine(to: CGPoint(x: bounds.width, y: bounds.height - cornerRadius.bottomRight))
path.addQuadCurve(to: CGPoint(x: bounds.width - cornerRadius.bottomRight, y: bounds.height), controlPoint: CGPoint(x: bounds.width, y: bounds.height))
path.addLine(to: CGPoint(x: cornerRadius.bottomLeft, y: bounds.height))
path.addQuadCurve(to: CGPoint(x: 0, y: bounds.height - cornerRadius.bottomLeft), controlPoint: CGPoint(x: 0, y: bounds.height))
path.addLine(to: CGPoint(x: 0, y: cornerRadius.topLeft))
path.addQuadCurve(to: CGPoint(x: cornerRadius.topLeft, y: 0), controlPoint: CGPoint(x: 0, y: 0))
path.close()
let maskLayer = CAShapeLayer()
maskLayer.frame = bounds
maskLayer.path = path.cgPath
self.layer.mask = maskLayer
}
/// 设置统一圆角
/// - Parameter radius: 圆角半径
func st_setCornerRadius(_ radius: CGFloat) {
self.layer.cornerRadius = radius
self.layer.masksToBounds = radius > 0
}
/// 设置圆角和边框
/// - Parameters:
/// - radius: 圆角半径
/// - borderWidth: 边框宽度
/// - borderColor: 边框颜色
func st_setCornerRadius(_ radius: CGFloat, borderWidth: CGFloat, borderColor: UIColor) {
self.st_setCornerRadius(radius)
self.layer.borderWidth = borderWidth
self.layer.borderColor = borderColor.cgColor
}
}
// MARK: - UIView 阴影扩展
public extension UIView {
/// 设置阴影
/// - Parameters:
/// - color: 阴影颜色
/// - offset: 阴影偏移
/// - radius: 阴影半径
/// - opacity: 阴影透明度
@objc func st_setShadow(color: UIColor = .black, offset: CGSize = CGSize(width: 0, height: 2), radius: CGFloat = 4, opacity: Float = 0.3) {
self.layer.shadowColor = color.cgColor
self.layer.shadowOffset = offset
self.layer.shadowRadius = radius
self.layer.shadowOpacity = opacity
self.layer.masksToBounds = false
}
/// 使用配置结构设置阴影
/// - Parameter config: 阴影配置
func st_setShadow(_ config: STShadowConfig) {
self.st_setShadow(color: config.color, offset: config.offset, radius: config.radius, opacity: config.opacity)
}
/// 清除阴影
func st_clearShadow() {
self.layer.shadowColor = nil
self.layer.shadowOffset = CGSize.zero
self.layer.shadowRadius = 0
self.layer.shadowOpacity = 0
}
}
// MARK: - UIView 渐变扩展
public extension UIView {
/// 设置渐变背景
/// - Parameters:
/// - colors: 渐变色数组
/// - startPoint: 起始点
/// - endPoint: 结束点
/// - locations: 颜色位置数组
func st_setGradientBackground(colors: [UIColor], startPoint: CGPoint = CGPoint(x: 0, y: 0), endPoint: CGPoint = CGPoint(x: 1, y: 1), locations: [NSNumber]? = nil) {
let gradientLayer = CAGradientLayer()
gradientLayer.frame = bounds
gradientLayer.colors = colors.map { $0.cgColor }
gradientLayer.startPoint = startPoint
gradientLayer.endPoint = endPoint
gradientLayer.locations = locations
self.layer.sublayers?.removeAll { $0 is CAGradientLayer }
self.layer.insertSublayer(gradientLayer, at: 0)
}
/// 使用配置结构设置渐变背景
/// - Parameter config: 渐变配置
func st_setGradientBackground(_ config: STGradientConfig) {
self.st_setGradientBackground(colors: config.colors, startPoint: config.startPoint, endPoint: config.endPoint, locations: config.locations)
}
/// 清除渐变背景
func st_clearGradientBackground() {
self.layer.sublayers?.removeAll { $0 is CAGradientLayer }
}
}
// MARK: - UIView 动画扩展
public extension UIView {
/// 淡入动画
/// - Parameters:
/// - duration: 动画时长
/// - completion: 完成回调
func st_fadeIn(duration: TimeInterval = 0.3, completion: (() -> Void)? = nil) {
alpha = 0
UIView.animate(withDuration: duration, animations: {
self.alpha = 1
}, completion: { _ in
completion?()
})
}
/// 淡出动画
/// - Parameters:
/// - duration: 动画时长
/// - completion: 完成回调
func st_fadeOut(duration: TimeInterval = 0.3, completion: (() -> Void)? = nil) {
UIView.animate(withDuration: duration, animations: {
self.alpha = 0
}, completion: { _ in
completion?()
})
}
/// 缩放动画
/// - Parameters:
/// - scale: 缩放比例
/// - duration: 动画时长
/// - completion: 完成回调
func st_scaleAnimation(scale: CGFloat, duration: TimeInterval = 0.3, completion: (() -> Void)? = nil) {
UIView.animate(withDuration: duration, animations: {
self.transform = CGAffineTransform(scaleX: scale, y: scale)
}, completion: { _ in
completion?()
})
}
/// 弹性动画
/// - Parameters:
/// - scale: 缩放比例
/// - duration: 动画时长
/// - completion: 完成回调
func st_springAnimation(scale: CGFloat = 1.1, duration: TimeInterval = 0.6, completion: (() -> Void)? = nil) {
UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: 0.6, initialSpringVelocity: 0.8, options: [], animations: {
self.transform = CGAffineTransform(scaleX: scale, y: scale)
}, completion: { _ in
UIView.animate(withDuration: duration * 0.5, animations: {
self.transform = .identity
}, completion: { _ in
completion?()
})
})
}
/// 震动动画
/// - Parameters:
/// - intensity: 震动强度
/// - duration: 动画时长
/// - completion: 完成回调
func st_shakeAnimation(intensity: CGFloat = 10, duration: TimeInterval = 0.5, completion: (() -> Void)? = nil) {
let animation = CAKeyframeAnimation(keyPath: "transform.translation.x")
animation.timingFunction = CAMediaTimingFunction(name: .linear)
animation.duration = duration
animation.values = [-intensity, intensity, -intensity, intensity, -intensity / 2, intensity / 2, -intensity / 4, intensity / 4, 0]
layer.add(animation, forKey: "shake")
DispatchQueue.main.asyncAfter(deadline: .now() + duration) {
completion?()
}
}
}
// MARK: - UIView 约束和布局扩展
public extension UIView {
/// 添加子视图并设置约束
/// - Parameters:
/// - subview: 子视图
/// - insets: 边距
func st_addSubview(_ subview: UIView, withInsets insets: UIEdgeInsets = .zero) {
addSubview(subview)
subview.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
subview.topAnchor.constraint(equalTo: topAnchor, constant: insets.top),
subview.leadingAnchor.constraint(equalTo: leadingAnchor, constant: insets.left),
subview.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -insets.right),
subview.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -insets.bottom)
])
}
/// 居中添加子视图
/// - Parameters:
/// - subview: 子视图
/// - size: 尺寸
func st_addSubviewCentered(_ subview: UIView, size: CGSize? = nil) {
addSubview(subview)
subview.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
subview.centerXAnchor.constraint(equalTo: centerXAnchor),
subview.centerYAnchor.constraint(equalTo: centerYAnchor)
])
if let size = size {
NSLayoutConstraint.activate([
subview.widthAnchor.constraint(equalToConstant: size.width),
subview.heightAnchor.constraint(equalToConstant: size.height)
])
}
}
/// 设置固定尺寸
/// - Parameter size: 尺寸
func st_setSize(_ size: CGSize) {
translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
widthAnchor.constraint(equalToConstant: size.width),
heightAnchor.constraint(equalToConstant: size.height)
])
}
/// 设置宽高比
/// - Parameter ratio: 宽高比
func st_setAspectRatio(_ ratio: CGFloat) {
translatesAutoresizingMaskIntoConstraints = false
widthAnchor.constraint(equalTo: heightAnchor, multiplier: ratio).isActive = true
}
}
// MARK: - UIView 视图控制器查找扩展
public extension UIView {
/// 获取当前视图控制器
/// - Returns: 当前视图控制器
func st_currentViewController() -> UIViewController? {
return self.st_currentViewController(st_keyWindow()?.rootViewController)
}
/// 递归查找视图控制器
/// - Parameter vc: 视图控制器
/// - Returns: 找到的视图控制器
func st_currentViewController(_ vc: UIViewController?) -> UIViewController? {
if vc == nil { return nil }
if let presentVC = vc?.presentedViewController {
return self.st_currentViewController(presentVC)
}
if let tabVC = vc as? UITabBarController {
if let selectVC = tabVC.selectedViewController {
return self.st_currentViewController(selectVC)
}
return nil
}
if let navVC = vc as? UINavigationController {
return self.st_currentViewController(navVC.visibleViewController)
}
return vc
}
}
// MARK: - UIView 便捷方法扩展
public extension UIView {
/// 截图
/// - Returns: 截图图片
func st_screenshot() -> UIImage? {
UIGraphicsBeginImageContextWithOptions(bounds.size, false, UIScreen.main.scale)
defer { UIGraphicsEndImageContext() }
if let context = UIGraphicsGetCurrentContext() {
self.layer.render(in: context)
return UIGraphicsGetImageFromCurrentImageContext()
}
return nil
}
/// 移除所有子视图
func st_removeAllSubviews() {
self.subviews.forEach { $0.removeFromSuperview() }
}
/// 设置背景色（支持十六进制）
/// - Parameter hex: 十六进制颜色值
func st_setBackgroundColor(hex: String) {
self.backgroundColor = UIColor.color(hex: hex)
}
/// 设置边框
/// - Parameters:
/// - width: 边框宽度
/// - color: 边框颜色
func st_setBorder(width: CGFloat, color: UIColor) {
self.layer.borderWidth = width
self.layer.borderColor = color.cgColor
}
/// 清除所有样式
func st_clearAllStyles() {
self.layer.cornerRadius = 0
self.layer.borderWidth = 0
self.layer.borderColor = nil
self.layer.shadowColor = nil
self.layer.shadowOffset = CGSize.zero
self.layer.shadowRadius = 0
self.layer.shadowOpacity = 0
self.layer.mask = nil
self.st_clearGradientBackground()
}
}