60 lines
1.4 KiB
Swift
60 lines
1.4 KiB
Swift
//
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// AppButton.swift
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// suixinkan
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//
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import SnapKit
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import UIKit
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/// 主按钮，对应 Android `AppButton`。
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final class AppButton: UIButton {
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enum Style {
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case primary
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case secondary
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}
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private let style: Style
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init(title: String, style: Style = .primary) {
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self.style = style
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super.init(frame: .zero)
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setupUI(title: title)
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override var isEnabled: Bool {
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didSet { updateAppearance() }
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}
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private func setupUI(title: String) {
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titleLabel?.font = .app(.body)
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layer.cornerRadius = AppRadius.md
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clipsToBounds = true
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setTitle(title, for: .normal)
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updateAppearance()
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snp.makeConstraints { make in
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make.height.equalTo(AppSpacing.buttonHeight)
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}
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}
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private func updateAppearance() {
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switch style {
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case .primary:
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backgroundColor = isEnabled ? AppColor.primary : AppColor.buttonDisabled
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setTitleColor(.white, for: .normal)
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setTitleColor(.white, for: .disabled)
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case .secondary:
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backgroundColor = AppColor.secondaryButtonBackground
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setTitleColor(AppColor.primary, for: .normal)
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setTitleColor(AppColor.primary, for: .disabled)
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alpha = isEnabled ? 1 : 0.6
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}
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}
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}
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