//
// RootViewController.h
// UI9_UITableView练习
//
// Created by YIem on 15/12/17.
// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.
//

import <UIKit/UIKit.h>

@interface RootViewController : UIViewController

@end

---

//
// RootViewController.m
// UI9_UITableView练习
//
// Created by YIem on 15/12/17.
// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.
//

import "RootViewController.h"

import "SecondViewController.h"

@interface RootViewController ()<UITableViewDataSource, UITableViewDelegate, PassDelegate>
@property (nonatomic, retain)UITableView *tableView;
@property (nonatomic, retain)NSMutableArray *dataArr;
@property (nonatomic, retain)NSIndexPath *index;// 记录点击的cell位置
@end

@implementation RootViewController

• (void)viewDidLoad {

  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];
  //
  self.title = @"YIem";
  //
  self.tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
  

// _tableView.backgroundColor = [UIColor yellowColor];

[self.view addSubview:_tableView];
[_tableView release];


_tableView.delegate = self;
_tableView.dataSource = self;


// 数据处理
self.dataArr = [@[@"大娃", @"二娃", @"三娃", @"四娃", @"五娃", @"六娃", @"七娃"]mutableCopy];

}

• (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
  {
  // 通过数组元素个数 动态设置cell行数
  return _dataArr.count;
  }

• (UITableViewCell )tableView:(UITableView )tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
  {
  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];
  if (!cell) {

  cell = [[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@"cell"] autorelease];

  }

  // 通过行数从数组中获取对应下标的元素
  cell.textLabel.text = _dataArr[indexPath.row];
  return cell;
  }

// 点击cell

• (void)tableView:(UITableView )tableView didSelectRowAtIndexPath:(NSIndexPath )indexPath
  {

  SecondViewController *secVC = [[SecondViewController alloc]init];
  // 传值
  secVC.name  = _dataArr[indexPath.row];
  // 协议传值
  secVC.delegate = self;
  // 记录点击cell的位置
  self.index = indexPath;
  [self.navigationController pushViewController:secVC animated:YES];
  [secVC release];

  }

• (void)passValue:(NSString *)name
  {

  // 修改信息
  // 通过记录的点击位置信息 将传递过来的值 替换原内容
  [_dataArr replaceObjectAtIndex:_index.row withObject:name];
  // tableView整体刷新 重新执行所有协议方法

  // [_tableView reloadData];

  // 单行刷新
  // 参数1: 需要刷新的下标
  // 参数2: 刷新动画
  [_tableView reloadRowsAtIndexPaths:@[_index] withRowAnimation:UITableViewRowAnimationRight];
  

  }

• (void)didReceiveMemoryWarning {

  [super didReceiveMemoryWarning];
  // Dispose of any resources that can be recreated.

  }

/*

pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

• (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

  // Get the new view controller using [segue destinationViewController].
  // Pass the selected object to the new view controller.

  }

*/

@end

---

---

//
// SecondViewController.h
// UI9_UITableView练习
//
// Created by YIem on 15/12/17.
// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.
//

import <UIKit/UIKit.h>

@protocol PassDelegate <NSObject>

• (void)passValue:(NSString *)name;

@end
@interface SecondViewController : UIViewController

@property (nonatomic, copy)NSString *name;

@property (nonatomic, assign) id<PassDelegate>delegate;

@end

---

//
// SecondViewController.m
// UI9_UITableView练习
//
// Created by YIem on 15/12/17.
// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.
//

import "SecondViewController.h"

@interface SecondViewController ()
@property (nonatomic, retain)UITextField *textField;
@end

@implementation SecondViewController

• (void)viewDidLoad {

  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];
  
  
  //
  self.textField = [[UITextField alloc]initWithFrame:CGRectMake(100, 100, 100, 30)];
  _textField.backgroundColor = [UIColor yellowColor];
  _textField.text = self.name;
  [self.view addSubview:_textField];
  [_textField release];
  // buttomn
  UIButton *button = [[UIButton alloc]initWithFrame:CGRectMake(100, 200, 100, 30)];
  button.backgroundColor = [UIColor redColor];
  [self.view addSubview:button];
  [button release];
  [button addTarget:self action:@selector(back) forControlEvents:UIControlEventTouchUpInside];
  
  
  

  }

• (void)back
  {

  
  [self.delegate passValue:_textField.text];
  [self.navigationController popViewControllerAnimated:YES];

  }

• (void)didReceiveMemoryWarning {

  [super didReceiveMemoryWarning];
  // Dispose of any resources that can be recreated.

  }

/*

pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

• (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

  // Get the new view controller using [segue destinationViewController].
  // Pass the selected object to the new view controller.

  }

*/

@end
//
// SecondViewController.m
// UI9_UITableView练习
//
// Created by YIem on 15/12/17.
// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.
//

import "SecondViewController.h"

@interface SecondViewController ()
@property (nonatomic, retain)UITextField *textField;
@end

@implementation SecondViewController

• (void)viewDidLoad {

  [super viewDidLoad];
  // Do any additional setup after loading the view.
  self.view.backgroundColor = [UIColor whiteColor];
  
  
  //
  self.textField = [[UITextField alloc]initWithFrame:CGRectMake(100, 100, 100, 30)];
  _textField.backgroundColor = [UIColor yellowColor];
  _textField.text = self.name;
  [self.view addSubview:_textField];
  [_textField release];
  // buttomn
  UIButton *button = [[UIButton alloc]initWithFrame:CGRectMake(100, 200, 100, 30)];
  button.backgroundColor = [UIColor redColor];
  [self.view addSubview:button];
  [button release];
  [button addTarget:self action:@selector(back) forControlEvents:UIControlEventTouchUpInside];
  
  
  

  }

• (void)back
  {

  
  [self.delegate passValue:_textField.text];
  [self.navigationController popViewControllerAnimated:YES];

  }

• (void)didReceiveMemoryWarning {

  [super didReceiveMemoryWarning];
  // Dispose of any resources that can be recreated.

  }

/*

pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

• (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

  // Get the new view controller using [segue destinationViewController].
  // Pass the selected object to the new view controller.

  }

*/

@end