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//
// STTabBarItemModel.swift
// STBaseProject
//
// Created by 寒江孤影 on 2024/01/01.
//
import UIKit
/// TabBar Item 显示模式
public enum STTabBarItemDisplayMode: Equatable {
case imageOnly
case textOnly
case imageAndText
case custom
case irregular
}
/// 文案与字体
public struct STTabBarItemTypography: Equatable {
public var fontSize: CGFloat
public var fontName: String
public var isLocalized: Bool
public init(fontSize: CGFloat = 12.0, fontName: String = "PingFangSC-Regular", isLocalized: Bool = false) {
self.fontSize = fontSize
self.fontName = fontName
self.isLocalized = isLocalized
}
public static let standard = STTabBarItemTypography(fontSize: 12.0, fontName: "PingFangSC-Regular", isLocalized: false)
}
/// 文本与背景色（选中 / 未选中）
public struct STTabBarItemColors: Equatable {
public var normalText: UIColor
public var selectedText: UIColor
public var normalBackground: UIColor
public var selectedBackground: UIColor
public init(
normalText: UIColor = .systemGray,
selectedText: UIColor = .systemBlue,
normalBackground: UIColor = .clear,
selectedBackground: UIColor = .clear
) {
self.normalText = normalText
self.selectedText = selectedText
self.normalBackground = normalBackground
self.selectedBackground = selectedBackground
}
public static let standard = STTabBarItemColors()
}
/// 图标区域布局（图文、不规则等共用）
public struct STTabBarItemLayout: Equatable {
public var imageSize: CGSize?
public var imageTopInset: CGFloat
public init(imageSize: CGSize? = nil, imageTopInset: CGFloat = 6.0) {
self.imageSize = imageSize
self.imageTopInset = imageTopInset
}
public static let standard = STTabBarItemLayout(imageSize: nil, imageTopInset: 6.0)
}
/// 徽标
public struct STTabBarItemBadge: Equatable {
public var count: Int
public var backgroundColor: UIColor
public var textColor: UIColor
public init(count: Int = 0, backgroundColor: UIColor = .systemRed, textColor: UIColor = .white) {
self.count = count
self.backgroundColor = backgroundColor
self.textColor = textColor
}
public static let standard = STTabBarItemBadge()
}
/// 凸起（不规则）按钮专属外观；仅在 `displayMode == .irregular` 时参与布局与绘制
public struct STTabBarIrregularStyle: Equatable {
public var protrusionHeight: CGFloat
public var cornerRadius: CGFloat
public var backgroundColor: UIColor
public var shadowColor: UIColor
public var shadowOffset: CGSize
public var shadowRadius: CGFloat
public init(
protrusionHeight: CGFloat = 20.0,
cornerRadius: CGFloat = 25.0,
backgroundColor: UIColor = .systemBlue,
shadowColor: UIColor = .black,
shadowOffset: CGSize = CGSize(width: 0, height: 2),
shadowRadius: CGFloat = 4.0
) {
self.protrusionHeight = protrusionHeight
self.cornerRadius = cornerRadius
self.backgroundColor = backgroundColor
self.shadowColor = shadowColor
self.shadowOffset = shadowOffset
self.shadowRadius = shadowRadius
}
public static let standard = STTabBarIrregularStyle()
}
/// 单个 Tab 项数据：内容 + 分组样式；`isIrregular` 由 `displayMode == .irregular` 推导，避免与枚举重复维护
public struct STTabBarItemModel {
public var title: String
public var normalImage: UIImage?
public var selectedImage: UIImage?
public var normalImageName: String?
public var selectedImageName: String?
public var customView: UIView?
public var displayMode: STTabBarItemDisplayMode
public var colors: STTabBarItemColors
public var typography: STTabBarItemTypography
public var layout: STTabBarItemLayout
public var badge: STTabBarItemBadge
public var irregular: STTabBarIrregularStyle?
public var isEnabled: Bool
public var isIrregular: Bool { displayMode == .irregular }
public init(
title: String = "",
normalImage: UIImage? = nil,
selectedImage: UIImage? = nil,
customView: UIView? = nil,
displayMode: STTabBarItemDisplayMode = .imageAndText,
colors: STTabBarItemColors = .standard,
typography: STTabBarItemTypography = .standard,
layout: STTabBarItemLayout = .standard,
badge: STTabBarItemBadge = .standard,
irregular: STTabBarIrregularStyle? = nil,
isEnabled: Bool = true
) {
self.title = title
self.normalImage = normalImage
self.selectedImage = selectedImage
self.customView = customView
self.displayMode = displayMode
self.colors = colors
self.typography = typography
self.layout = layout
self.badge = badge
self.irregular = irregular
self.isEnabled = isEnabled
}
public init(title: String, normalImage: UIImage? = nil, selectedImage: UIImage? = nil) {
self.init(
title: title,
normalImage: normalImage,
selectedImage: selectedImage,
customView: nil,
displayMode: .imageAndText,
colors: .standard,
typography: .standard,
layout: .standard,
badge: .standard,
irregular: nil,
isEnabled: true
)
}
public static func createWithImageNames(
title: String,
normalImageName: String,
selectedImageName: String,
titleSize: CGFloat = 12.0,
titleFontName: String = "PingFangSC-Regular",
normalTitleColor: UIColor = .systemGray,
selectedTitleColor: UIColor = .systemBlue,
backgroundColor: UIColor = .clear,
imageSize: CGSize? = nil,
imageTopInset: CGFloat = 6.0,
badgeValue: String? = nil,
badgeColor: UIColor = .systemRed,
isLocalized: Bool = false
) -> STTabBarItemModel {
let finalTitle = isLocalized ? title.localized : title
let normalImage = loadImage(named: normalImageName, imageSize: imageSize)
let selectedImage = loadImage(named: selectedImageName, imageSize: imageSize)
let count = badgeCountFromString(badgeValue)
var model = STTabBarItemModel(
title: finalTitle,
normalImage: normalImage,
selectedImage: selectedImage,
displayMode: .imageAndText,
colors: STTabBarItemColors(
normalText: normalTitleColor,
selectedText: selectedTitleColor,
normalBackground: backgroundColor,
selectedBackground: backgroundColor
),
typography: STTabBarItemTypography(fontSize: titleSize, fontName: titleFontName, isLocalized: isLocalized),
layout: STTabBarItemLayout(imageSize: imageSize, imageTopInset: imageTopInset),
badge: STTabBarItemBadge(count: count, backgroundColor: badgeColor, textColor: .white)
)
model.normalImageName = normalImageName
model.selectedImageName = selectedImageName
return model
}
public static func createLocalized(
localizedTitle: String,
normalImageName: String,
selectedImageName: String,
normalColor: UIColor = .systemGray,
selectedColor: UIColor = .systemBlue
) -> STTabBarItemModel {
createWithImageNames(
title: localizedTitle,
normalImageName: normalImageName,
selectedImageName: selectedImageName,
normalTitleColor: normalColor,
selectedTitleColor: selectedColor,
isLocalized: true
)
}
public static func fromUITabBarItem(_ tabBarItem: UITabBarItem) -> STTabBarItemModel {
STTabBarItemModel(
title: tabBarItem.title ?? "",
normalImage: tabBarItem.image,
selectedImage: tabBarItem.selectedImage,
displayMode: .imageAndText,
colors: .standard,
typography: .standard,
badge: STTabBarItemBadge(
count: badgeCountFromString(tabBarItem.badgeValue),
backgroundColor: tabBarItem.badgeColor ?? .systemRed,
textColor: .white
)
)
}
public static func createImageOnly(
normalImageName: String,
selectedImageName: String,
imageSize: CGSize = CGSize(width: 24, height: 24),
backgroundColor: UIColor = .clear,
badgeValue: String? = nil
) -> STTabBarItemModel {
let normalImage = loadImage(named: normalImageName, imageSize: imageSize)
let selectedImage = loadImage(named: selectedImageName, imageSize: imageSize)
let count = badgeCountFromString(badgeValue)
var model = STTabBarItemModel(
title: "",
normalImage: normalImage,
selectedImage: selectedImage,
displayMode: .imageOnly,
colors: STTabBarItemColors(
normalText: .systemGray,
selectedText: .systemBlue,
normalBackground: backgroundColor,
selectedBackground: backgroundColor
),
typography: .standard,
layout: STTabBarItemLayout(imageSize: imageSize, imageTopInset: 6.0),
badge: STTabBarItemBadge(count: count)
)
model.normalImageName = normalImageName
model.selectedImageName = selectedImageName
return model
}
public static func createTextOnly(
title: String,
titleSize: CGFloat = 14.0,
titleFontName: String = "PingFangSC-Medium",
normalTitleColor: UIColor = .systemGray,
selectedTitleColor: UIColor = .systemBlue,
backgroundColor: UIColor = .clear,
isLocalized: Bool = false
) -> STTabBarItemModel {
let finalTitle = isLocalized ? title.localized : title
return STTabBarItemModel(
title: finalTitle,
displayMode: .textOnly,
colors: STTabBarItemColors(
normalText: normalTitleColor,
selectedText: selectedTitleColor,
normalBackground: backgroundColor,
selectedBackground: backgroundColor
),
typography: STTabBarItemTypography(fontSize: titleSize, fontName: titleFontName, isLocalized: isLocalized)
)
}
public static func createIrregular(
title: String,
normalImageName: String,
selectedImageName: String,
irregularHeight: CGFloat = 20.0,
irregularCornerRadius: CGFloat = 25.0,
irregularBackgroundColor: UIColor = .systemBlue,
titleSize: CGFloat = 12.0,
imageSize: CGSize = CGSize(width: 24, height: 24)
) -> STTabBarItemModel {
let normalImage = loadImage(named: normalImageName, imageSize: imageSize)
let selectedImage = loadImage(named: selectedImageName, imageSize: imageSize)
let irr = STTabBarIrregularStyle(
protrusionHeight: irregularHeight,
cornerRadius: irregularCornerRadius,
backgroundColor: irregularBackgroundColor,
shadowColor: .black,
shadowOffset: CGSize(width: 0, height: 2),
shadowRadius: 4.0
)
var model = STTabBarItemModel(
title: title,
normalImage: normalImage,
selectedImage: selectedImage,
displayMode: .irregular,
colors: STTabBarItemColors(
normalText: .white,
selectedText: .white,
normalBackground: irregularBackgroundColor,
selectedBackground: irregularBackgroundColor
),
typography: STTabBarItemTypography(fontSize: titleSize, fontName: "PingFangSC-Regular", isLocalized: false),
layout: STTabBarItemLayout(imageSize: imageSize, imageTopInset: 6.0),
irregular: irr
)
model.normalImageName = normalImageName
model.selectedImageName = selectedImageName
return model
}
public static func createCustom(customView: UIView, title: String = "") -> STTabBarItemModel {
STTabBarItemModel(title: title, customView: customView, displayMode: .custom)
}
private static func loadImage(named imageName: String, imageSize: CGSize? = nil) -> UIImage? {
guard let image = UIImage(named: imageName) else {
STLog("⚠️ STTabBarItemModel: 图片加载失败 - \(imageName)")
return nil
}
return image.withRenderingMode(.alwaysOriginal)
}
private static func badgeCountFromString(_ badgeValue: String?) -> Int {
guard let badgeValue = badgeValue else { return 0 }
if badgeValue == "99+" {
return 100
}
return Int(badgeValue) ?? 0
}
}