ExtensionDataSharing06-TodayViewController.swift

ExtensionDataSharing06-TodayViewController.swift

import UIKit
import NotificationCenter
import Books

class TodayViewController: UIViewController, NCWidgetProviding, UITableViewDataSource, UITableViewDelegate {
    
    @IBOutlet var tableView: UITableView!
    var booksArray = [Book]()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.preferredContentSize = CGSizeMake(320, 180);
        readPropertyList()
    }
    
    func titleFromSharedDefaults() -> String {
        let sharedDefaults = NSUserDefaults(suiteName: "group.example.DataSharing")!
        if let titleText = sharedDefaults.stringForKey("ExtensionTitleKey") {
            return titleText
        }
        return ""
    }
    
    func readPropertyList() {
        if let filePath = SharedBooksManager.urlForSharedBooksArray() {
            booksArray = NSKeyedUnarchiver.unarchiveObjectWithFile(filePath) as [Book]
        }
    }
    
    func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        return 1
    }
    
    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return booksArray.count
    }
    
    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) 
        -> UITableViewCell {
        let currentBook = booksArray[indexPath.row]
        
        let cell = tableView.dequeueReusableCellWithIdentifier("CSBookCell") as UITableViewCell
        cell.textLabel?.text = currentBook.title
        cell.detailTextLabel?.text = currentBook.author
        
        return cell
    }
    
    func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
        return titleFromSharedDefaults()
    }
    
    func tableView(tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        return 40
    }

    func tableView(tableView: UITableView, willDisplayHeaderView view: UIView, forSection section: Int) {
        view.tintColor = UIColor.clearColor()
        
        let headerView = (view as UITableViewHeaderFooterView)
        headerView.textLabel.textColor = UIColor.whiteColor()
    }

}