//  ZQRGroup.h

#import <Foundation/Foundation.h>

@interface ZQRGroup : NSObject

/**

 *组标题

 */

@property (nonatomic,copy) NSString *title;

/**

 *品牌汽车

 */

@property (nonatomic,strong) NSArray *cars;

- (instancetype)initWithDict:(NSDictionary *)dict;

+ (instancetype)groupWithDict:(NSDictionary *)dict;

@end

//

//  ZQRGroup.m

//

#import "ZQRGroup.h"

#import "ZQRCar.h"

@implementation ZQRGroup

- (instancetype)initWithDict:(NSDictionary *)dict

{

    if(self=[super init]){

        self.title=dict[@"title"];

        NSArray *dictArray=dict[@"cars"];

        NSMutableArray *carArray=[NSMutableArray array];

        for (NSDictionary *dict in dictArray) {

            ZQRCar *car=[[ZQRCar alloc] initWithDict:dict];

            [carArray addObject:car];

        }

        self.cars=carArray;

    }

    return self;

}

+ (instancetype)groupWithDict:(NSDictionary *)dict

{

    return [[self alloc] initWithDict:dict];

}

@end

//

//  ZQRCar.h

//

#import <Foundation/Foundation.h>

@interface ZQRCar : NSObject

/**

 *图标

 */

@property (nonatomic,copy) NSString *icon;

/**

 *名称

 */

@property (nonatomic,copy) NSString *name;

- (instancetype)initWithDict:(NSDictionary *)dict;

+ (instancetype)carWithDict:(NSDictionary *)dict;

@end

//

//  ZQRCar.m

//

#import "ZQRCar.h"

@implementation ZQRCar

- (instancetype)initWithDict:(NSDictionary *)dict

{

    if(self=[super init]){

        //self.icon=dict[@"icon"];

        //self.name=dict[@"name"];

        [self setValuesForKeysWithDictionary:dict];

    }

    return self;

}

+ (instancetype)carWithDict:(NSDictionary *)dict

{

    return [[self alloc] initWithDict:dict];

}

@end

//

//  ZQRViewController.m

//

#import "ZQRViewController.h"

#import "ZQRGroup.h"

#import "ZQRCar.h"

@interface ZQRViewController ()<UITableViewDataSource>

/**

 *  车品牌组数据

 */

@property (nonatomic, strong) NSArray *groups;

@end

@implementation ZQRViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

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

}

- (NSArray *)groups

{

    if (_groups == nil) {

        // 初始化

        // 1.获得plist的全路径

        NSString *path = [[NSBundle mainBundle] pathForResource:@"cars_total.plist" ofType:nil];

        // 2.加载数组

        NSArray *dictArray = [NSArray arrayWithContentsOfFile:path];

        // 3.将dictArray里面的所有字典转成模型对象,放到新的数组中

        NSMutableArray *groupArray = [NSMutableArray array];

        for (NSDictionary *dict in dictArray) {

            // 3.1.创建模型对象

            ZQRGroup *group = [ZQRGroup groupWithDict:dict];

            // 3.2.添加模型对象到数组中

            [groupArray addObject:group];

        }

        // 4.赋值

        _groups = groupArray;

    }

    return _groups;

}

#pragma mark - 数据源方法

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

    return self.groups.count;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    ZQRGroup *group = self.groups[section];

    return group.cars.count;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    // 1.定义一个循环标识

    static NSString *ID = @"car";

    // 2.从缓存池中取出可循环利用cell

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];

    // 3.缓存池中没有可循环利用的cell

    if (cell == nil) {

        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:ID];

    }

    // 4.设置数据

    ZQRGroup *group = self.groups[indexPath.section];

    ZQRCar *car = group.cars[indexPath.row];

    cell.imageView.image = [UIImage imageNamed:car.icon];

    cell.textLabel.text = car.name;

    return cell;

}

/**

 *  第section组显示的头部标题

 */

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section

{

    ZQRGroup *group = self.groups[section];

    return group.title;

}

/**

 *  返回右边索引条显示的字符串数据

 */

- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView

{

    return [self.groups valueForKeyPath:@"title"];

}

- (BOOL)prefersStatusBarHidden

{

    return YES;

}

@end