iOS 给 ViewController 减负 之 UITableView

//
//  ViewController减负.h
//  链式DSL学习
//
//  Created by HF on 17/3/8.
//  Copyright ? 2017年 HF-Liqun. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController__ : UIViewController

@property (nonatomic, strong) UITableView *tableView;

@end
//
//  ViewController减负.m
//  链式DSL学习
//
//  Created by HF on 17/3/8.
//  Copyright ? 2017年 HF-Liqun. All rights reserved.
//

#import "ViewController减负.h"
#import "HomeBannerCell.h"
#import "HomeTableViewDataSource.h"

@interface ViewController__ ()

@property (nonatomic, strong) HomeTableViewDataSource *tabbleViewDataSource;
@end

@implementation ViewController__

- (void)viewDidLoad {
    [super viewDidLoad];
    [self.view addSubview:self.tableView];
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.bottom.equalTo(self.view);
        make.left.right.top.equalTo(self.view);
    }];
    
    //创建实例类tabbleViewDataSource
    //传入数据 这个可以根据实际情况灵活处理
    self.tabbleViewDataSource = [[HomeTableViewDataSource alloc]
                                 initWithItems:@[@"好好",@"学习",@"天天",@"向上"] ];
    
    //设置tableView 两个代理
    self.tableView.dataSource = self.tabbleViewDataSource;
    self.tableView.delegate = self.tabbleViewDataSource;
    
    //每个cell 行 点击触发 response
    TableViewCellBannerAction bannnerAction = ^(id sender) {
        NSLog(@"%@",sender);
    };
    TableViewCellDailyAction dailyAction = ^(id sender) {
        NSLog(@"%@",sender);
    };
    TableViewCellListAction listAction = ^(id sender) {
        NSLog(@"%@",sender);
    };
    self.tabbleViewDataSource.banneryAction = bannnerAction;
    self.tabbleViewDataSource.dailyAction = dailyAction;
    self.tabbleViewDataSource.listAction = listAction;
    
}

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

- (UITableView *)tableView
{
    if (!_tableView) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _tableView.backgroundColor = [UIColor clearColor];
        //_tableView.dataSource = self;
       // _tableView.delegate = self;
       // _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
        
        [self.tableView registerClass:[HomeBannerCell class] forCellReuseIdentifier:kHomeBannerCellID];
        [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"tableViewCell"];
       
    }
    return  _tableView;
}


@end

//
//  HomeTableViewDataSource.h
//  链式DSL学习
//
//  Created by HF on 17/3/8.
//  Copyright ? 2017年 HF-Liqun. All rights reserved.
//

#import <Foundation/Foundation.h>

typedef void (^TableViewCellBannerAction)(id sender);
typedef void (^TableViewCellDailyAction)(id sender);
typedef void (^TableViewCellListAction)(id sender);

@interface HomeTableViewDataSource : NSObject <UITableViewDelegate, UITableViewDataSource>

@property (nonatomic, copy) TableViewCellBannerAction banneryAction;
@property (nonatomic, copy) TableViewCellDailyAction dailyAction;
@property (nonatomic, copy) TableViewCellListAction listAction;

/**
 传入数据源

 @param anItems anItems
 @return anItems
 */
- (id)initWithItems:(NSArray *)anItems;

@end

//
//  HomeTableViewDataSource.m
//  链式DSL学习
//
//  Created by HF on 17/3/8.
//  Copyright ? 2017年 HF-Liqun. All rights reserved.
//

#import "HomeTableViewDataSource.h"
#import "HomeBannerCell.h"

typedef NS_ENUM(NSUInteger, HomeSectionType) {
    HomeSectionTypeBanner,   //banner
    HomeSectionTypeDaily,    //date
    HomeSectionTypeList     //List
};

@interface HomeTableViewDataSource ()
{
    NSMutableArray *sectionInfo;
}
@property (nonatomic, strong) NSArray *items;

@end

@implementation HomeTableViewDataSource

- (id)init
{
    return nil;
}

- (id)initWithItems:(NSArray *)anItems
{
    self = [super init];
    if (self) {
        sectionInfo = [NSMutableArray array];
        [sectionInfo addObject:@(HomeSectionTypeBanner)];
        [sectionInfo addObject:@(HomeSectionTypeDaily)];
        if (anItems.count > 0) {
            [sectionInfo addObject:@(HomeSectionTypeList)]; //list 列表
        }
        self.items = anItems;
        
    }
    return self;
}

- (id)itemAtIndexPath:(NSIndexPath *)indexPath
{
    return self.items[(NSUInteger) indexPath.row];
}

#pragma mark UITableViewDataSource

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return sectionInfo.count;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    if (HomeSectionTypeBanner == [sectionInfo[section] integerValue]) {
        return 1;
    }
    if (HomeSectionTypeDaily == [sectionInfo[section] integerValue]) {
        return 1;
    }
    if (HomeSectionTypeList == [sectionInfo[section] integerValue]) {
        return self.items.count;
    }
    return 0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    NSInteger section = indexPath.section;
    if (HomeSectionTypeBanner == [sectionInfo[section] integerValue]) {
        HomeBannerCell *cell = [tableView dequeueReusableCellWithIdentifier:kHomeBannerCellID forIndexPath:indexPath];
        return cell;
    }
    if (HomeSectionTypeDaily == [sectionInfo[section] integerValue]) {
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"tableViewCell"
                                                                forIndexPath:indexPath];
        cell.textLabel.text = [NSString stringWithFormat:@"%@",[NSDate date]];
        cell.textLabel.font = [UIFont boldSystemFontOfSize:15];
        cell.textLabel.textAlignment = NSTextAlignmentCenter;
        return cell;
    }
    if (HomeSectionTypeList == [sectionInfo[section] integerValue]) {
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"tableViewCell"
                                                                forIndexPath:indexPath];
        id item = [self itemAtIndexPath:indexPath];
        cell.textLabel.text = [NSString stringWithFormat:@"%@",item];
  
        return cell;
    }
    return [UITableViewCell new];
}

#pragma mark UITableViewDelegate

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    NSInteger section = indexPath.section;
    if (HomeSectionTypeBanner == [sectionInfo[section] integerValue]) {
        return [HomeBannerCell getCellHeight];
    }
    if (HomeSectionTypeDaily == [sectionInfo[section] integerValue]) {
        return 55;
    }
    if (HomeSectionTypeList == [sectionInfo[section] integerValue]) {
        return 44;
    }
    return 0;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    NSInteger section = indexPath.section;
    if (HomeSectionTypeBanner == [sectionInfo[section] integerValue]) {
        if (self.banneryAction) {
            self.banneryAction(@"点击了banner");
        }
    }
    if (HomeSectionTypeDaily == [sectionInfo[section] integerValue]) {
        if (self.dailyAction) {
            self.dailyAction(@"点击了日期");
        }
    }
    if (HomeSectionTypeList == [sectionInfo[section] integerValue]) {
        if (self.listAction) {
            id item = [self itemAtIndexPath:indexPath];
            self.listAction([NSString stringWithFormat:@"点击了list单元 %@",item]);
        }
    }
}

@end