murad
140 lines
4.2 KiB
Swift
140 lines
4.2 KiB
Swift
//
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// UnderlineSecuredTextField.swift
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// PrivadoVPN
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//
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// Created by Juraldinio on 1/21/21.
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// Copyright © 2021 Privado LLC. All rights reserved.
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//
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import Foundation
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import AppKit
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final class UnderlineSecuredTextField: DSFSecureTextField, NSTextFieldDelegate {
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typealias EnterHandlerClosure = () -> Bool
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enum Constants {
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static let lineHeight: CGFloat = 2.0
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enum Font {
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static let name = PrivadoConstants.Font.regular
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static let size: CGFloat = 14.0
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}
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enum Color {
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static let text = NSColor.white
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static let placeholder = NSColor(calibratedRed: 173.0 / 255, green: 179.0 / 255, blue: 210.0 / 255, alpha: 1.0)
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static let neutral = NSColor(calibratedRed: 45.0 / 255, green: 51.0 / 255, blue: 82.0 / 255, alpha: 1.0)
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static let beginEditing = NSColor(red: 40, green: 215, blue: 153)
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}
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}
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// MARK: - Properties
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var enterHandler: EnterHandlerClosure?
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private let bottomLineView: NSView
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var coloredPlaceHolder: String? {
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get {
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return self.placeholderAttributedString?.string
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}
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set {
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if let value = newValue {
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let attrs = [NSAttributedString.Key.foregroundColor: Constants.Color.placeholder,
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NSAttributedString.Key.font: NSFont(name: Constants.Font.name, size: Constants.Font.size)]
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self.placeholderAttributedString = NSAttributedString(string: value, attributes: attrs)
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} else {
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self.placeholderAttributedString = nil
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}
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}
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}
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func hightlight(with color: NSColor?) {
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self.bottomLineView.viewBackgroundColor = color ?? Constants.Color.neutral
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}
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// MARK: - Initializers
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override init(frame frameRect: NSRect) {
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self.bottomLineView = NSView()
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super.init(frame: frameRect)
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self.cell?.isScrollable = true
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self.setupUI()
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}
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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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// MARK: - Private
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private func setupUI() {
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self.isBezeled = false
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self.drawsBackground = false
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self.translatesAutoresizingMaskIntoConstraints = false
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self.focusRingType = .none
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self.usesSingleLineMode = true
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self.textColor = Constants.Color.text
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if #available(macOS 11.0, *) {
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self.contentType = .oneTimeCode
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}
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self.delegate = self
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self.font = NSFont(name: Constants.Font.name, size: Constants.Font.size)
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self.bottomLineView.translatesAutoresizingMaskIntoConstraints = false
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self.addSubview(self.bottomLineView)
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NSLayoutConstraint.activate([
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self.bottomLineView.heightAnchor.constraint(equalToConstant: Constants.lineHeight),
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self.bottomLineView.leadingAnchor.constraint(equalTo: self.leadingAnchor),
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self.bottomLineView.trailingAnchor.constraint(equalTo: self.trailingAnchor),
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self.bottomLineView.bottomAnchor.constraint(equalTo: self.bottomAnchor)
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])
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self.hightlight(with: nil)
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}
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// MARK: - Lifecycle
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// Show edit pointer
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override func viewDidMoveToWindow() {
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if let textView = self.window?.fieldEditor(true, for: self) as? NSTextView {
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textView.insertionPointColor = Constants.Color.text
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textView.alignment = .center
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}
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}
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// MARK: - NSTextFieldDelegate
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func controlTextDidChange(_ obj: Notification) {
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// self.hightlight(with: nil)
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}
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func controlTextDidBeginEditing(_ obj: Notification) {
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self.hightlight(with: Constants.Color.beginEditing)
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}
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func controlTextDidEndEditing(_ obj: Notification) {
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self.hightlight(with: nil)
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}
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func control(_ control: NSControl, textView: NSTextView, doCommandBy commandSelector: Selector) -> Bool {
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if commandSelector == #selector(NSResponder.insertNewline(_:)) {
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guard let handler = self.enterHandler else { return true }
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return handler()
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}
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return false
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}
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}
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