JSJP_School/LN_School/EAreasListVC.m

//
//  EAreasListVC
//  LN_School
//
//  Created by EchoShacolee on 2017/6/16.
//  Copyright © 2017年 Danson. All rights reserved.
//

#import "EAreasListVC.h"
#import "MJRefresh.h"
#import "EAreasImagesShowVC.h"

typedef NS_ENUM(NSInteger, MyGetDataType) {
    //正常请求数据
    MyGetDataTypeNomal=0,
    //下拉刷新请求数据
    MyGetDataTypeHeaderRefresh,
    //上拉加载更多请求数据
    MyGetDataTypeFooterRefresh
};

@interface EAreasListVC ()<UITableViewDataSource,UITableViewDelegate>
{
    //记录页书
    NSInteger _currentPageNum;
    //正在加载的状态
    BOOL _IS_LOADING;
    //加载数据的类型
    MyGetDataType _getDataType;
    //
    HolderView *_holderV;
    //缓存cell高度
    NSMutableArray * _heightArr;
}

@property (nonatomic,retain)NSMutableArray * dataurce;
@property(nonatomic,retain)UITableView *tableView;
@end

@implementation EAreasListVC

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.navigationItem.title = @"电子围栏";
    self.view.backgroundColor = KBackGroundColor;
    self.navigationController.navigationBar.translucent = NO;
    
    _dataurce = [[NSMutableArray alloc]init];
    _currentPageNum = 0;
    _IS_LOADING = NO;
    _getDataType = MyGetDataTypeNomal;

    
    _tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStyleGrouped];
    _tableView.backgroundColor = KBackGroundColor;
    _tableView.dataSource = self;
    _tableView.delegate = self;
    _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    _tableView.sectionHeaderHeight = 20;
    _tableView.tableFooterView = [UIView new];
    [self.view addSubview:_tableView];
    
    
    [self goBackByNavigation];
    [self getData];
    
    _holderV = [[HolderView alloc]initWithFrame:_tableView.frame];
    _holderV.y = kNavOffSet;
    [_holderV freshBlock:^{
        [self headerRefresh];
    }];
    [self.view addSubview:_holderV];
}

#pragma mark - 下拉刷新，上拉加载 -

-(void)setRefreshAction{
    
    // 下拉刷新
    
    __weak typeof(self) weakSelf = self;
    MJRefreshGifHeader * header = [self.tableView addGifHeaderWithRefreshingBlock:^{
        [weakSelf headerRefresh];
    }];
    header.updatedTimeHidden = YES;
    
    
    MJRefreshFooter *foot = [self.tableView addGifFooterWithRefreshingBlock:^{
        [weakSelf footerRefresh];
    }];
    foot.automaticallyRefresh = YES;
    
}

#pragma mark - 数据加载更多和刷新 -

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

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

-(void)getData{
    
    //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;
    }
    
    if (![NetManager connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    _IS_LOADING=YES;
    //获取第一页数据
    NSInteger needLoadPage;
    needLoadPage=_currentPageNum+1;
    if (_getDataType==MyGetDataTypeHeaderRefresh) {
        needLoadPage=1;
    }
    
    NSMutableDictionary * mDic = [NSMutableDictionary new];
    [mDic setObject:defUser.userDict[@"school"] forKey:@"jxbh"];
    
//    [mDic setObject:@"1" forKey:@"isPage"];
//    [mDic setObject:@"10" forKey:@"pageSize"];
//    [mDic setObject:[NSString stringWithFormat:@"%ld",(long)needLoadPage] forKey:@"currentPage"];
    __weak typeof(self) weakSelf = self;
    
    [NetManager requestAnythingWithURL:@"getAreas" dictionary:mDic dataArray:nil completion:^(NSDictionary *root) {
        
        _holderV.hidden = YES;
        //设置加载状态
        _IS_LOADING=NO;
        
        if (!root) {
            ShowErrorMsg(@"请求失败!");
            return;
        }
        if ([root[@"code"] isEqualToString:@"1"]) {
            ShowErrorMsg(root[@"msg"]);
            return;
        }
        
        
        //如果是上拉加载更多，应该结束上拉刷新的界面。
        if (_getDataType==MyGetDataTypeFooterRefresh) {
            [weakSelf.tableView.gifFooter endRefreshing];
        }
        //如果是下拉刷新，应该结束界面刷新状态;
        else if (_getDataType==MyGetDataTypeHeaderRefresh){
            
            [weakSelf.tableView.gifHeader endRefreshing];
        }
        //处理数据
        //如果获取到了数据，而且是下拉刷新，清空数组。
        if (_getDataType==MyGetDataTypeHeaderRefresh){
            [weakSelf.dataurce removeAllObjects];
        }
        //追加数据
        [weakSelf.dataurce addObjectsFromArray:root[@"body"]];
        if (weakSelf.dataurce.count != 0) {
            _holderV.hidden = YES;
        }
        //计数器＋1
        _currentPageNum=needLoadPage;
        //刷新界面
//        [weakSelf.tableView reloadData];
        
        //恢复初始状态。
        _getDataType=MyGetDataTypeNomal;
    }];
}

#pragma mark tableView代理方法
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    
    return self.dataurce.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    NSDictionary * dic = self.dataurce[indexPath.row];
//    
//    __weak typeof(self) weakSelf = self;
//    ComListCell * cell = [ComListCell cellForTabelView:tableView];
//    cell.block = ^{
//        __strong typeof(weakSelf) strongSelf = weakSelf;
//        ComDealVC * vc = [[ComDealVC alloc]init];
//        vc.theId = dic[@"ID"];
//        vc.block = ^{
//            [_heightArr removeAllObjects];
//            [strongSelf headerRefresh];
//        };
//        [strongSelf.navigationController pushViewController:vc animated:YES];
//    };
//    [cell updateWithDic:dic];
//    return cell;
    return nil;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
    
//    //缓存高度
//    NSNumber *cellHeight = [_heightArr h_safeObjectAtIndex:indexPath.row];
//    
//    if (cellHeight) {
//        
//        return [cellHeight floatValue];
//        
//    }else{
//        
//        NSDictionary * dic = self.dataurce[indexPath.row];
//        CGFloat h1 = [self getHeightWithString:dic[@"CONTENT"]];
//        CGFloat h2 = [self getHeightWithString:dic[@"SCHOPINION"]];
//        CGFloat h3 = [self getHeightWithString:dic[@"DEPTOPINION"]];
//        CGFloat h4 = [self getHeightWithString:dic[@"COACHNAME"]];
//        
//        CGFloat H = 82+h1+h2+h3+h4;//82为其它固定高度
//        [_heightArr addObject:@(H)];
//        return H;
//    }
    return 0;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    
    EAreasImagesShowVC * vc = [[EAreasImagesShowVC alloc]init];
    [self navPushHideTabbarToVC:vc];
}

#pragma mark 计算高度
-(CGFloat)getHeightWithString:(NSString *)str{
    
    if (str.length == 0) {
        return 0;
    }
    
    NSString * newStr = [NSString stringWithFormat:@"投诉管理 :%@",str];
    CGFloat w = self.tableView.frame.size.width-40;
    CGFloat h1 = [newStr heightForWid:w Font:14];
    return h1+5;//5是间隔
}

- (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