//
//  GeneralTableViewController.swift
//  MTP2_iOS
//
//  Created by Muchinfo on 2018/8/27.
//  Copyright © 2018年 Muchinfo. All rights reserved.
//

import UIKit

class GeneralTableViewController: UITableViewController {
    
    fileprivate let identifier = "GeneralTableViewControllerCell"
    fileprivate let cancel = 100
    fileprivate let done = 200
    
    var data = [String]()
    typealias GeneralTableViewControllerCallback = (_ rowNum: Int, _ value: String) -> Void   // 块定义
    var callback: GeneralTableViewControllerCallback?   // 持有
    
    override func viewDidLoad() {
        super.viewDidLoad()
    }
    
    func didSelected(callback: @escaping GeneralTableViewControllerCallback) {
        self.callback = callback
    }
    
    // MARK: - Table view data source
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return data.count
    }
    
    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "GeneralTableViewControllerCell", for: indexPath)
        cell.textLabel?.text = data[indexPath.row]
        return cell
    }
    
    @IBAction func onClick(_ sender: UIBarButtonItem) {
        switch sender.tag {
        case cancel:
            self.dismiss(animated: true, completion: nil)
        case done:
            self.dismiss(animated: true) {
                if let callback = self.callback,
                    let indexPath = self.tableView.indexPathForSelectedRow {
                    callback(indexPath.row, self.data[indexPath.row])
                }
            }
        default:
            break
        }
    }
}