/*

 Copyright (C) 2017 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Demonstrates vertically extending the navigation bar.

 */

import UIKit

class ExtendedNavBarViewController: UITableViewController {

    /// Our data source is an array of city names, populated from Cities.json.

    let dataSource = CitiesDataSource()

    override func viewDidLoad() {

        super.viewDidLoad()

        tableView.dataSource = dataSource

        // For the extended navigation bar effect to work, a few changes

        // must be made to the actual navigation bar.  Some of these changes could

        // be applied in the storyboard but are made in code for clarity.

        // Translucency of the navigation bar is disabled so that it matches with

        // the non-translucent background of the extension view.

        navigationController!.navigationBar.isTranslucent = false

        // The navigation bar's shadowImage is set to a transparent image.  In

        // addition to providing a custom background image, this removes

        // the grey hairline at the bottom of the navigation bar.  The

        // ExtendedNavBarView will draw its own hairline.

        navigationController!.navigationBar.shadowImage = UIImage(named: "TransparentPixel")

        // "Pixel" is a solid white 1x1 image.

        //navigationController!.navigationBar.setBackgroundImage(#imageLiteral(resourceName: "Pixel"), for: .default)

    }

}