UITableView(2)

/*
这一次的tableView实现了多级页面，并且加入了navigation栏
分三个页面，用了三个viewController，分别是：rootViewController,movieViewController,movieDetailViewController
*/

AppDelegate.m:

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    RootViewController *rootViewController = [[RootViewController alloc] initWithStyle:UITableViewStylePlain];
    self.navigationController = [[UINavigationController alloc] initWithRootViewController:rootViewController];
    [self.window addSubview:self.navigationController.view];
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    return YES;
}


rootViewController.m:

#import "RootViewController.h"
#import "movieViewController.h"

@interface RootViewController ()
@property (strong, nonatomic) movieViewController *movieViewController;
@end

@implementation RootViewController

@synthesize controllerList;

- (id)initWithStyle:(UITableViewStyle)style
{
    self = [super initWithStyle:style];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    self.title = @"分类";
    NSMutableArray *array = [[NSMutableArray alloc] init];
    self.movieViewController = [[movieViewController alloc]
                                                initWithStyle:UITableViewStylePlain];
    self.movieViewController.title = @"电影";
    [array addObject:self.movieViewController];
    self.controllerList = array;
    // Uncomment the following line to preserve selection between presentations.
    // self.clearsSelectionOnViewWillAppear = NO;
 
    // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
    // self.navigationItem.rightBarButtonItem = self.editButtonItem;
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    // Return the number of sections.
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    // Return the number of rows in the section.
    return [self.controllerList count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
        }
    UITableViewController *controller = [self.controllerList objectAtIndex:indexPath.row];
    cell.textLabel.text = controller.title;
    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
    // Configure the cell...
    
    return cell;
}

-(void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    UIViewController *nextViewController = [self.controllerList objectAtIndex:indexPath.row];
    [self.navigationController pushViewController:nextViewController animated:YES];
}


movieViewController.m:

#import "movieViewController.h"
#import "movieDetailViewController.h"
#import "AppDelegate.h"

@interface movieViewController ()

@end

@implementation movieViewController

@synthesize movieList;
@synthesize childController;

- (id)initWithStyle:(UITableViewStyle)style
{
    self = [super initWithStyle:style];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    NSArray *array = [[NSArray alloc] initWithObjects:@"肖申克的救赎", @"教父", @"教父：II",
                      @"低俗小说", @"黄金三镖客", @"十二怒汉", @"辛德勒名单",
                      @"蝙蝠侠前传2：黑暗骑士", @"指环王：王者归来", @"飞越疯人院",
                      @"星球大战Ⅴ：帝国反击战", @"搏击俱乐部", @"盗梦空间", @"七武士",
                      @"指环王：护戒使者", @"好家伙", @"星球大战IV：新希望", @"上帝之城",
                      @"卡萨布兰卡", @"黑客帝国", @"西部往事", @"后窗", @"夺宝奇兵",
                      @"沉默的羔羊", @"非常嫌疑犯", @"七宗罪", @"指环王：双塔奇兵", @"阿甘正传",
                      @"惊魂记", @"美好人生", nil];
    self.movieList = array;

    // Uncomment the following line to preserve selection between presentations.
    // self.clearsSelectionOnViewWillAppear = NO;
 
    // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
    // self.navigationItem.rightBarButtonItem = self.editButtonItem;
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    // Return the number of sections.
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    // Return the number of rows in the section.
    return [self.movieList count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
    }
    cell.textLabel.text = [self.movieList objectAtIndex:indexPath.row];
    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
    // Configure the cell...
    
    return cell;
}

-(void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    if (self.childController == nil) {
        self.childController = [[movieDetailViewController alloc] init];
    }
    NSString *selectMovie = [self.movieList objectAtIndex:indexPath.row];
    NSString *detailMessage = [[NSString alloc] initWithFormat:@"你选择了电影：\"%@\"",selectMovie];
    self.childController.message = detailMessage;
    self.childController.title = selectMovie;
    [self.navigationController pushViewController:self.childController animated:YES];

}


movieDetailViewController.m:

#import "movieDetailViewController.h"


@interface movieDetailViewController ()

@end

@implementation movieDetailViewController

@synthesize message;
@synthesize movieLabel;


- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view.
    self.movieLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 270, 300, 35)];
    self.movieLabel.font = [UIFont fontWithName:@"Arial Hebrew" size:20.0f];
    self.movieLabel.adjustsFontSizeToFitWidth = NO;
    [self.view addSubview:self.movieLabel];
}

-(void) viewWillAppear:(BOOL)animated
{
    self.movieLabel.text = self.message;
    [super viewWillAppear:animated];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end