105 lines
3.1 KiB
Swift
105 lines
3.1 KiB
Swift
//
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// PasswordInputField.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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/// 登录页密码输入框，对应 Android `PasswordInputField`。
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final class PasswordInputField: UIView {
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private let textField = UITextField()
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private let toggleButton = UIButton(type: .custom)
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private var isPasswordVisible = false
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var text: String {
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get { textField.text ?? "" }
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set { textField.text = newValue }
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}
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var onTextChange: ((String) -> Void)?
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var onReturnKey: (() -> Void)?
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init(placeholder: String = "请输入密码") {
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super.init(frame: .zero)
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setupUI(placeholder: placeholder)
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setupConstraints()
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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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@discardableResult
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override func becomeFirstResponder() -> Bool {
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textField.becomeFirstResponder()
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}
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private func setupUI(placeholder: String) {
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backgroundColor = AppColor.inputBackground
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layer.cornerRadius = 12
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clipsToBounds = true
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textField.font = .systemFont(ofSize: 14)
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textField.textColor = AppColor.text333
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textField.isSecureTextEntry = true
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textField.autocapitalizationType = .none
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textField.autocorrectionType = .no
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textField.returnKeyType = .done
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textField.delegate = self
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let attributes: [NSAttributedString.Key: Any] = [
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.foregroundColor: AppColor.placeholder,
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.font: UIFont.systemFont(ofSize: 14),
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]
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textField.attributedPlaceholder = NSAttributedString(string: placeholder, attributes: attributes)
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textField.addTarget(self, action: #selector(textDidChange), for: .editingChanged)
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toggleButton.setImage(UIImage(named: "icon_pwd_invisible"), for: .normal)
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toggleButton.addTarget(self, action: #selector(togglePasswordVisibility), for: .touchUpInside)
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addSubview(textField)
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addSubview(toggleButton)
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}
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private func setupConstraints() {
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snp.makeConstraints { make in
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make.height.equalTo(46)
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}
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toggleButton.snp.makeConstraints { make in
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make.trailing.equalToSuperview().inset(8)
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make.centerY.equalToSuperview()
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make.size.equalTo(30)
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}
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textField.snp.makeConstraints { make in
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make.leading.equalToSuperview().inset(16)
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make.trailing.equalTo(toggleButton.snp.leading).offset(-4)
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make.centerY.equalToSuperview()
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}
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}
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@objc private func textDidChange() {
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onTextChange?(text)
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}
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@objc private func togglePasswordVisibility() {
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isPasswordVisible.toggle()
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textField.isSecureTextEntry = !isPasswordVisible
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let imageName = isPasswordVisible ? "icon_pwd_visible" : "icon_pwd_invisible"
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toggleButton.setImage(UIImage(named: imageName), for: .normal)
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}
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}
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extension PasswordInputField: UITextFieldDelegate {
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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onReturnKey?()
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return true
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}
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}
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