//

//  AppDelegate.m

//  UI2_ScrollViewHomeWork

//

//  Created by zhangxueming on 15/7/13.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//

#import "AppDelegate.h"

#import "ViewController.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    // Override point for customization after application launch.

    ViewController *root = [[ViewController alloc] init];

    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:root];

    self.window.rootViewController  = nav;

    self.window.backgroundColor  = [UIColor whiteColor];

    //[self.window makeKeyAndVisible];

    return YES;

}

//

//  ViewController.h

//  UI2_ScrollViewHomeWork

//

//  Created by zhangxueming on 15/7/13.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//

#import <UIKit/UIKit.h>

#import "DetailViewController.h"

@interface ViewController : UIViewController <sendMessageReport>

@end

//

//  ViewController.m

//  UI2_ScrollViewHomeWork

//

//  Created by zhangxueming on 15/7/13.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//

#import "ViewController.h"

#import "CustomImageView.h"

#import "DetailViewController.h"

@interface ViewController ()

{

    UIScrollView *_scrollView;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    _scrollView = [[UIScrollView alloc] initWithFrame:self.view.bounds];

    self.automaticallyAdjustsScrollViewInsets = YES;

    _scrollView.showsHorizontalScrollIndicator = NO;

    _scrollView.showsVerticalScrollIndicator = NO;

    _scrollView.bounces = NO;

    //_scrollView.backgroundColor = [UIColor cyanColor];

    NSInteger rowCount = 4;

    CGFloat space = 2;

    CGFloat imageViewWidth = (self.view.frame.size.width-2*5)/4;

    CGFloat imageViewHeight = imageViewWidth*1.5;

    NSString *path = [[NSBundle mainBundle] pathForResource:@"AlbumData" ofType:@"plist"];

    NSArray *array = [NSArray arrayWithContentsOfFile:path];

    int i=0;

    for (NSDictionary *dict in array) {

        NSString *title = [dict objectForKey:@"TITLE"];

        NSString *name = [NSString stringWithFormat:@"%@.jpg",[dict objectForKey:@"NAME"]];

        UIImage *image = [UIImage imageNamed:name];

        CustomImageView *imageView = [[CustomImageView alloc] initWithFrame:CGRectMake(space+(space+imageViewWidth)*(i%rowCount), (i/rowCount)*(space+imageViewHeight)+space, imageViewWidth, imageViewHeight)];

        imageView.image = image;

        imageView.label.text = title;

        imageView.tag = 100+i;

        UITapGestureRecognizer  *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapGesture:)];

        imageView.userInteractionEnabled = YES;

        [imageView addGestureRecognizer:tap];

        [_scrollView addSubview:imageView];

        i++;

    }

    _scrollView.contentSize = CGSizeMake(self.view.frame.size.width, (imageViewHeight+space)*8+space);

    [self.view addSubview:_scrollView];

}

- (void)tapGesture:(UITapGestureRecognizer *)tap

{

    DetailViewController *dvc = [[DetailViewController alloc] init];

    dvc.image = ((UIImageView *)tap.view).image;

    dvc.imageViewTag = tap.view.tag;

    dvc.delegate = self;

    [self.navigationController pushViewController:dvc animated:YES];

}

- (void)sendViewTag:(NSInteger)tag andTitle:(NSString *)title

{

    CustomImageView *imageView = (CustomImageView *)[_scrollView viewWithTag:tag];

    imageView.label.text = title;

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end

//

//  CustomImageView.h

//  UI2_ScrollViewHomeWork

//

//  Created by zhangxueming on 15/7/13.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//

#import <UIKit/UIKit.h>

@interface CustomImageView : UIImageView

@property (nonatomic,strong) UILabel *label;

@property (nonatomic,copy)NSString *title;

@end

//

//  CustomImageView.m

//  UI2_ScrollViewHomeWork

//

//  Created by zhangxueming on 15/7/13.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//

#import "CustomImageView.h"

@implementation CustomImageView

/*

// Only override drawRect: if you perform custom drawing.

// An empty implementation adversely affects performance during animation.

- (void)drawRect:(CGRect)rect {

    // Drawing code

}

*/

- (instancetype)initWithFrame:(CGRect)frame

{

    self = [super initWithFrame:frame];

    if (self) {

        self.label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, frame.size.width, 50)];

        self.label.alpha = 0.5;

        self.label.textAlignment = NSTextAlignmentCenter;

        self.label.adjustsFontSizeToFitWidth = YES;

        self.label.text = self.title;

        self.label.backgroundColor = [UIColor whiteColor];

        [self addSubview:self.label];

    }

    return self;

}

@end

//

//  DetailViewController.h

//  UI2_ScrollViewHomeWork

//

//  Created by zhangxueming on 15/7/13.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//

#import <UIKit/UIKit.h>

@protocol sendMessageReport <NSObject>

- (void)sendViewTag:(NSInteger)tag andTitle:(NSString *)title;

@end

@interface DetailViewController : UIViewController

@property (nonatomic, strong)UIImage *image;

@property (nonatomic, assign)NSInteger imageViewTag;

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

@end

//

//  DetailViewController.m

//  UI2_ScrollViewHomeWork

//

//  Created by zhangxueming on 15/7/13.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//

#import "DetailViewController.h"

@interface DetailViewController ()

@end

@implementation DetailViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(10, 64, self.view.frame.size.width-20,50)];

    textField.borderStyle = UITextBorderStyleRoundedRect;

    textField.tag = 200;

    [self.view addSubview:textField];

    UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(10, 64+50, self.view.frame.size.width-20, 300)];

    imageView.tag = 200;

    imageView.image = self.image;

    [self.view addSubview:imageView];

    UIBarButtonItem *item= [[UIBarButtonItem alloc] initWithTitle:@"保存" style:UIBarButtonItemStylePlain target:self action:@selector(btnClick)];

    self.navigationItem.rightBarButtonItem = item;

}

- (void)btnClick

{

    UITextField *textField = (UITextField *)[self.view viewWithTag:200];

    if ([_delegate respondsToSelector:@selector(sendViewTag:andTitle:)]) {

        [_delegate sendViewTag:self.imageViewTag andTitle: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