JSJP_Manager/LNManager/TeachLogsVC.m

//
//  TeachLogsVC.m
//  LNManager
//
//  Created by EchoShacolee on 2017/6/14.
//  Copyright © 2017年 lee. All rights reserved.
//

#import "TeachLogsVC.h"
#import "TeachLogCell.h"
#import "MinRescord.h"
#import "MJRefresh.h"


@interface TeachLogsVC ()<UITableViewDelegate,UITableViewDataSource>
{
    UITableView        *mainTableView;
    NSMutableArray     *dataArray;
    int               subject;
    int               currentPage;
    MyGetDataType      _getDataType;//加载类型
    BOOL              _IS_LOADING;//正在加载的状态
    
    UISegmentedControl *_segementCtr;
}

@property (nonatomic,strong)HolderView *holderV;

@end

@implementation TeachLogsVC

- (void)viewDidLoad {
    [super viewDidLoad];
    self.navigationItem.title = @"教学日志";
    
    [self myInit];
}

-(void)myInit{
    
    //四个分类列表的处理
    NSArray *items = @[@"科一",@"科二",@"科三",@"科四"];
    _segementCtr = [[UISegmentedControl alloc] initWithItems:items];
    _segementCtr.frame = CGRectMake(0, kNavOffSet, kSize.width, 40);
    _segementCtr.backgroundColor = [UIColor whiteColor];
    _segementCtr.tintColor = COLOR_THEME;
    _segementCtr.selectedSegmentIndex = 1;
    [_segementCtr addTarget:self action:@selector(changeSubject) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:_segementCtr];
    
    //默认显示科目二信息
    subject = 2;
    currentPage = 1;
    dataArray = [NSMutableArray array];
    
    mainTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, kNavOffSet + 40, kSize.width, kSize.height - kNavOffSet - 40 - SafeAreaBottomHeight) style:UITableViewStylePlain];
    mainTableView.delegate = self;
    mainTableView.dataSource = self;
    mainTableView.rowHeight = 145;
    mainTableView.tableFooterView = [UIView new];
    
    [self.view addSubview:mainTableView];
    
    self.holderV = [[HolderView alloc] initWithFrame:mainTableView.frame];
    [self.holderV freshBlock:^{
        [self headerRefresh];
    }];
    [self.view addSubview:self.holderV];
    
    [self setRefreshAction];//设置刷新
    [self getTrainTimesRecords];
}



- (void)changeSubject {
    
    currentPage = 1;
    subject = (int)_segementCtr.selectedSegmentIndex + 1;
    [dataArray removeAllObjects];
    [mainTableView reloadData];
    [self getTrainTimesRecords];
}



#pragma mark - 下拉刷新，上拉加载 -
-(void)setRefreshAction{
    // 下拉加载更多
    __weak typeof(self) weakSelf = self;
    MJRefreshNormalHeader *header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
        [weakSelf headerRefresh];
    }];
    mainTableView.mj_header = header;
    
    MJRefreshBackNormalFooter *footer = [MJRefreshBackNormalFooter footerWithRefreshingBlock:^{
        [weakSelf footerRefresh];
    }];
    
    mainTableView.mj_footer = footer;
    
}

-(void)headerRefresh{
    
    //设置获取数据的方式
    _getDataType=MyGetDataTypeHeaderRefresh;
    //加载数据
    [self getTrainTimesRecords];
    [mainTableView.mj_header endRefreshing];
}

-(void)footerRefresh{
    //设置获取数据的方式
    _getDataType=MyGetDataTypeFooterRefresh;
    //加载数据
    [self getTrainTimesRecords];
    [mainTableView.mj_footer endRefreshing];
}


#pragma mark tableview代理相关
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    
    return dataArray.count;
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
    TeachLogCell * cell = [tableView dequeueReusableCellWithIdentifier:@"cellTeach"];
    if (!cell) {
        //加载xib文件创建cell
        cell = [[[NSBundle mainBundle] loadNibNamed:@"TeachLogCell" owner:nil options:nil] lastObject];
        cell.selectionStyle = UITableViewCellSelectionStyleNone;
    }
    [cell setDataWithDic:dataArray[indexPath.row]];
    return cell;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    
    if (subject != 2 && subject != 3) {
        return;
    }
    //查看分钟学时&照片 轨迹延后做
    MinRescord * mvc = [[MinRescord alloc]init];
    mvc.stuDic = dataArray[indexPath.row];
    [self.navigationController pushViewController:mvc animated:YES];
}

#pragma mark    请求数据

-(void)getTrainTimesRecords{
    
    //判断当前是否正在加载数据。如果正在加载数据，直接return。
    if (_IS_LOADING) {
        return;
    }
    _IS_LOADING=YES;
    
    if (_getDataType==MyGetDataTypeHeaderRefresh) {
        currentPage = 1;
    }
    
    NSMutableDictionary *mdic = [[NSMutableDictionary alloc]init];
    [mdic setValue:[NSString stringWithFormat:@"%@",_schDic[@"TSI_DQBH"]]  forKey:@"dqbh"];
    [mdic setValue:[NSString stringWithFormat:@"%@",_schDic[@"TSI_QXBH"]]  forKey:@"qxbh"];
    [mdic setValue:[NSString stringWithFormat:@"%@",_schDic[@"TSI_INSCODE"]]  forKey:@"inscode"];
    [mdic setValue:@""  forKey:@"stunum"];
    [mdic setValue:@""  forKey:@"studentName"];
    [mdic setValue:[NSString stringWithFormat:@"%d",subject]  forKey:@"subject"];
    [mdic setValue:@""  forKey:@"idcard"];
    [mdic setValue:@"1" forKey:@"isPage"];
    [mdic setValue:@"10"  forKey:@"pageSize"];
    [mdic setValue:[NSString stringWithFormat:@"%d",currentPage]  forKey:@"currentPage"];
    
    //判断网络是否连接
    if (![NetworkManager connectedToNetWork]) {
        [self showMsgByAlertVCWithString:@"网络连接异常"];
        return;
    }
    
    [MBProgressHUD hideHUDForView:self.view animated:NO];//强行先掉一次@lee
    [MBProgressHUD showHUDAddedTo:self.view animated:NO];
    [NetworkManager requestWithMethod:@"trainTimesRecords" parameters:mdic type:0 handler:^(NSDictionary *successDic, NSString *failureStr) {
        
        _IS_LOADING=NO;
        _holderV.hidden = NO;
        
        [MBProgressHUD hideHUDForView:self.view animated:YES];
        
        if (failureStr) {
            [self showMsgByAlertVCWithString:failureStr];
            return;
        }
        
        if ([successDic[@"code"] isEqualToString:@"1"]) {
            [self showMsgByAlertVCWithString:successDic[@"msg"]];
            return;
        }
        
        if (currentPage == 1) {
            //如果是首页 就要删除之前的数据
            [dataArray removeAllObjects];
        }
        
        [dataArray addObjectsFromArray:successDic[@"body"]];
        
        if ([successDic[@"body"] count] > 0) {
            currentPage++;
        }
        
        if ([dataArray count] > 0) {
            _holderV.hidden = YES;
        }else {
            if (currentPage == 1) {
                _holderV.hidden = NO;
            }
        }
        
        dispatch_async(dispatch_get_main_queue(), ^{
            [mainTableView reloadData];
        });
        
        _getDataType=MyGetDataTypeNomal;
        
    }];
    
    
}

- (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