Juraldinio
65 lines
2.2 KiB
Swift
65 lines
2.2 KiB
Swift
//
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// JSViewController.swift
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// JSNavigationController
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//
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import AppKit
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class JSViewController: NSViewController, JSNavigationBarViewControllerProvider {
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private struct Constants {
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static let segueTemplatesKey = "segueTemplates"
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static let segueIdentifierKey = "identifier"
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static let navigationControllerPushIdentifier = "navigationControllerPush"
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static let navigationBarViewControllerIdentifier = "navigationBarViewController"
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}
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private(set) var destinationViewController: NSViewController?
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private(set) var destinationViewControllers: [String: NSViewController] = [:]
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var navigationBarVC: NSViewController?
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weak var navigationController: JSNavigationController?
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func navigationBarViewController() -> NSViewController {
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guard let navigationBarVC = self.navigationBarVC else { fatalError("You must set the navigationBar view controller") }
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return navigationBarVC
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}
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// MARK: - View Lifecycle
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override func awakeFromNib() {
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if type(of: self).instancesRespond(to: #selector(NSViewController.awakeFromNib)) {
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super.awakeFromNib()
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}
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self.setupSegues()
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}
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// MARK: - Segues
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private func setupSegues() {
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guard let segues = self.value(forKey: Constants.segueTemplatesKey) as? [NSObject] else { return }
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for segue in segues {
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if let id = segue.value(forKey: Constants.segueIdentifierKey) as? String {
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self.performSegue(withIdentifier: id, sender: self)
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}
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}
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}
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override func prepare(for segue: NSStoryboardSegue, sender: Any?) {
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guard let segueIdentifier = segue.identifier else { return }
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switch segueIdentifier {
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case Constants.navigationBarViewControllerIdentifier:
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self.navigationBarVC = segue.destinationController as? NSViewController
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default:
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if segueIdentifier.contains(Constants.navigationControllerPushIdentifier) {
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if segueIdentifier.count > Constants.navigationControllerPushIdentifier.count && segueIdentifier.contains("#") {
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if let key = segueIdentifier.split(separator: "#").map({ String($0) }).last {
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self.destinationViewControllers[key] = segue.destinationController as? NSViewController
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}
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} else {
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self.destinationViewController = segue.destinationController as? NSViewController
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}
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}
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}
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}
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}
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