AppDelegate.swift

//
//  AppDelegate.swift
//  SpotsPugs
//
//  Created by Prabhu Saitu on 24/04/16.
//  Copyright © 2016 Prabhu Saitu. All rights reserved.
//

import UIKit
import Spots
import Brick

enum Cell: String, StringConvertible {
    case Feed, FeaturedFeed, FeedDetail, Spot
    
    var string: String {
        return rawValue
    }
}

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    var navigationController: UINavigationController?


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // Override point for customization after application launch.
        
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        
        SpotsController.configure = {
            $0.backgroundColor = UIColor.clearColor()
        }
        
        GridSpot.configure = { collectionView, layout in
//            layout.sectionInset = UIEdgeInsets(top: 10, left: 10, bottom: 20, right: 10)
//            layout.minimumInteritemSpacing = 5
//            layout.minimumLineSpacing = 10
        }
        
        GridSpot.defaultView = GridSpotCell.self
        
        
        let pugs = Component(title: "Pugs", items: [
            ViewModel(image: "http://25.media.tumblr.com/tumblr_lized8bWxD1qaa50yo1_500.jpg"),
            ViewModel(image: "http://27.media.tumblr.com/tumblr_lrvd8i2yMT1qd4jfno1_500.jpg"),
            ViewModel(image: "http://30.media.tumblr.com/tumblr_liic7bdmRF1qcipjro1_500.jpg"),
            ViewModel(image: "http://25.media.tumblr.com/tumblr_lsigg3D23h1qz9wudo1_500.jpg")
        ])
       
        let pugsSpot = GridSpot(component: pugs)

        

        let controller = MainViewController(title: "Pugs", spots:[pugsSpot])
        
        let navigationController = UINavigationController(rootViewController: controller)
        
        
        
        window?.rootViewController = navigationController
        window?.makeKeyAndVisible()
        
        return true
    }

    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

GridSpotCell.swift

//
//  GridSpotCell.swift
//  SpotsPugs
//
//  Created by Prabhu Saitu on 24/04/16.
//  Copyright © 2016 Prabhu Saitu. All rights reserved.
//

import UIKit
import Imaginary
import Spots
import Brick

class GridSpotCell: UICollectionViewCell, SpotConfigurable {
    
    var size = CGSize(width: 120, height: 120)
    
    lazy var imageView: UIImageView = {
        let imageView = UIImageView()
        imageView.contentMode = .ScaleAspectFill
        imageView.autoresizingMask = [.FlexibleWidth, .FlexibleBottomMargin]
        return imageView
    }()

    
    override init(frame: CGRect) {
        super.init(frame: frame)
        contentView.addSubview(imageView)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    func configure(inout item: ViewModel) {
        optimize()
        
        if !item.image.isEmpty {
            imageView.frame = CGRect(x: 0, y: 0, width: size.width, height: size.height)
            imageView.image = nil
            let URL = NSURL(string: item.image)
            imageView.setImage(URL)
        }
        
        layoutSubviews()
        
    }
    
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        imageView.frame = CGRect(x: 0, y: 0, width: size.width, height: size.height)
        imageView.height = 120
        imageView.width = 120
        imageView.clipsToBounds = true
        
    }


}

MainViewController.swift

//
//  ViewController.swift
//  SpotsPugs
//
//  Created by Prabhu Saitu on 24/04/16.
//  Copyright © 2016 Prabhu Saitu. All rights reserved.
//

import UIKit
import Spots
import Brick

class MainViewController: SpotsController {
    
    convenience init(title: String, spots:[Spotable]) {
        self.init(spots:spots)
        self.title = title
    }
    

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

    

}