//
//  MainViewController.m
//  UI11_block練習
//
//  Created by dllo on 15/8/12.
//  Copyright (c) 2015年 zhozhicheng. All rights reserved.
//

#import MainViewController.h
#import SecondViewController.h
@interface MainViewController ()
@property(nonatomic,retain)NSMutableArray *arr;
@property(nonatomic,retain)UITableView *tableView;
@end

@implementation MainViewController

-(instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self=[super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        self.arr = [NSMutableArray arrayWithObjects:@宋江, @盧俊義, @吳用, @公孫勝, @關勝, @林沖, @秦明 ,@呼延灼 , @花容,@柴進, @李應, @朱仝,@魯智深,@武松,nil];
    }return self;
}




- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.navigationController.navigationBar.translucent=NO;
    self.tableView=[[UITableView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.height, self.view.frame.size.height-64) style:UITableViewStylePlain];
    [self.view addSubview:self.tableView];
    [self.tableView release];
    self.tableView.delegate=self;
    self.tableView.dataSource=self;


}
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.arr.count;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{

    static NSString *reuse=@reuse;
    UITableViewCell *cell =[tableView dequeueReusableCellWithIdentifier:reuse];
    if (!cell) {
        cell =[[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:reuse] autorelease];
    }
    cell.textLabel.text=self.arr[indexPath.row];
    return cell;

}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{

#pragma mark block作為屬性的時候,為了防止block進入到棧區,棧區內存不需要我們進行管理,很可能出現block消失的情況,所以需要拷貝一份到堆區,這樣能防止block在用的時候消失
    SecondViewController *secVC=[[SecondViewController alloc] init];


    [self.navigationController pushViewController:secVC animated:YES];
    [secVC release];
    ////2.
    //寫一個參數是nsstring *的block
    void(^block)(NSString *)=^(NSString *str){
        NSLog(@%@,str);
        //處理數據
        [self.arr addObject:str];
        [tableView reloadData];



    };

    secVC.block=block;
}


- (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
//  UI11_block練習
//
//  Created by dllo on 15/8/12.
//  Copyright (c) 2015年 zhozhicheng. All rights reserved.
//

#import 
typedef void(^Block)(NSString *);


@interface SecondViewController : UIViewController
////1.
@property(nonatomic,copy)Block block;

@end

//
//  SecondViewController.m
//  UI11_block練習
//
//  Created by dllo on 15/8/12.
//  Copyright (c) 2015年 zhozhicheng. All rights reserved.
//

#import SecondViewController.h

@interface SecondViewController ()

@end

@implementation SecondViewController
-(void)dealloc
{
    //block自己的release方法
    Block_release(_block);
}
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.view.backgroundColor=[UIColor cyanColor];

    UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];
    button.frame = CGRectMake(100, 100, 150, 40);
    button.layer.borderWidth = 1;
    button.layer.cornerRadius = 10;
    [self.view addSubview:button];
    [button setTitle:@返回 forState:UIControlStateNormal];
    [button addTarget:self action:@selector(click:) forControlEvents:UIControlEventTouchUpInside];

}
-(void)click:(UIButton *)button
{
    [self.navigationController popToRootViewControllerAnimated:YES];
    ////3.
    self.block(@跳洞虎 陳達);
}

- (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