StylePickerViewController.swift

//
//  StylePickerViewController.swift
//  ConsultantAide
//
//  Created by Matt Orahood on 5/28/16.
//  Copyright © 2016 Matt Orahood. All rights reserved.
//

import UIKit
import CoreData

class StylePickerViewController: UIViewController, UIPickerViewDataSource {
    
    @IBOutlet weak var stylePicker: UIPickerView!
    var pickerData : [String] = []

    override func viewDidLoad() {
        super.viewDidLoad()
        stylePicker.hidden = true
        // Do any additional setup after loading the view.
        stylePicker.dataSource = self
        collectStyleNames()
        stylePicker.hidden = false
    }
    
    func collectStyleNames() {
        let app = UIApplication.sharedApplication().delegate as! AppDelegate
        let context = app.managedObjectContext
        let fetchRequest = NSFetchRequest(entityName: "Style")
        
        do {
            let results = try context.executeFetchRequest(fetchRequest)
            for item in results {
                pickerData.append(item.name)
            }
        } catch let err as NSError {
            print(err.debugDescription)
        }
    }
    
    override func viewWillAppear(animated: Bool) {
        super.viewWillAppear(animated)
        self.navigationController?.navigationBarHidden = false
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    func numberOfComponentsInPickerView(pickerView: UIPickerView) -> Int {
        return 1
        
    }
    
    func pickerView(pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        return pickerData.count
    }
}