YYXC_Coach/JSJPCoach/HomeVC/SelectImgVC.m

//
//  SelectImgVC.m
//  jiaPeiC
//
//  Created by apple on 16/6/30.
//  Copyright © 2016年 JCZ. All rights reserved.
//

#import "SelectImgVC.h"
#import "SelectCell.h"
#import "HolderView.h"
#import "STTButton.h"

#import "UIImageView+WebCache.h"
#import "MJPhotoBrowser.h"
#import "MJPhoto.h"


@interface SelectImgVC ()<UICollectionViewDelegateFlowLayout,UICollectionViewDataSource>
{
    HolderView       *holderV;
    UICollectionView *mainCollection;
    UIBarButtonItem  *item;
    UIView           *holderBar;
    UILabel          *countLabel;
    
    NSMutableArray   *dataArray;
    NSMutableArray   *delArray;
    BOOL             isEdit;
}
@end

@implementation SelectImgVC

- (void)viewDidLoad {
    [super viewDidLoad];
    if (_skipType == 1) {
        self.title = [NSString stringWithFormat:@"%@的照片",_stuDic[@"STUNAME"]];
    }else {
        self.title = [NSString stringWithFormat:@"%@的照片",_stuDic[@"STU_NAME"]];
    }
    self.view.backgroundColor = backGroundColor;
    [self configNavBar];
    
    
    dataArray = [NSMutableArray array];
    delArray  = [NSMutableArray array];
    
//    item = [[UIBarButtonItem alloc] initWithTitle:@"编辑" style:UIBarButtonItemStyleDone target:self action:@selector(clickToDelete)];
//    [item setTintColor:defGreen];
//    [self.navigationItem setRightBarButtonItem:item];
    
    UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
    CGFloat width = (kSize.width - 30)/3.0;
    
    //小屏手机两列 大屏三列
    if (kSize.width == 320.0) {
        width = (kSize.width - 60)/2.0;
        [layout setItemSize:CGSizeMake(width, width + 40)];
        [layout setSectionInset:UIEdgeInsetsMake(10, 20, 20, 20)];
    }else {
        [layout setItemSize:CGSizeMake(width, width + 40)];
        [layout setSectionInset:UIEdgeInsetsMake(10, 5, 5, 5)];
    }
    
    mainCollection = [[UICollectionView alloc] initWithFrame:kFrame collectionViewLayout:layout];
    mainCollection.backgroundColor = backGroundColor;
    mainCollection.delegate = self;
    mainCollection.dataSource = self;
    [self.view addSubview:mainCollection];
    
    [mainCollection registerClass:[SelectCell class] forCellWithReuseIdentifier:@"SelectCell"];
    
    holderV = [[HolderView alloc] initWithFrame:mainCollection.frame];
    [holderV freshBlock:^{
        if (_skipType == 1) {
            [self getTrainFiles];
        }else {
            [self getStuPhotos];
        }
    }];
    [self addV:holderV];
    
    holderBar = [[UIView alloc] initWithFrame:CGRectMake(0, kSize.height - 50, kSize.width, 50)];
    holderBar.backgroundColor = backGroundColor;
    [self.view addSubview:holderBar];
    [holderBar setHidden:YES];

    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, -2, kSize.width, 2)];
    label.backgroundColor = lineColor;
    [holderBar addSubview:label];
    
    label = [[UILabel alloc] initWithFrame:CGRectMake(10, 0, 200, 50)];
    [label setText:@"您已选了0张照片噢" Font:20 TextColor:titleColor Alignment:NSTextAlignmentLeft];
    [holderBar addSubview:label];
    countLabel = label;
    
    UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
    btn.frame = CGRectMake(kSize.width - 100, 7, 90, 36);
    [btn setTitle:@"确认删除" textColor:[UIColor whiteColor] font:20 fotState:UIControlStateNormal];
    btn.layer.masksToBounds = YES;
    btn.layer.cornerRadius = 10;
    btn.backgroundColor = [UIColor orangeColor];
    [btn target:self];
    [holderBar addSubview:btn];
    
    if (_skipType == 1) {
        [self getTrainFiles];
    }else {
        [self getStuPhotos];
    }
}

-(void)clickToDelete
{
    isEdit = !isEdit;
    if (isEdit) {
        //编辑  所有图片去掉交互
        item.title = @"取消";
        holderBar.hidden = NO;
        mainCollection.height -= 52;
    }else{
        //取消编辑  加上交互
        item.title = @"编辑";
        mainCollection.height += 52;
        holderBar.hidden = YES;
    }
    
    [mainCollection reloadData];
}

-(void)btnClick:(UIButton *)sender {
    [self delStuPhotos]; //隐藏功能 暂不开通
}

-(void)tapImage:(UITapGestureRecognizer *)tap
{
    //通过dataArray获取urls
    NSMutableArray *photos = [NSMutableArray arrayWithCapacity:dataArray.count];
    
    for (int i = 0; i < dataArray.count; i ++) {
        
        NSDictionary *dic = dataArray[i];
        NSString *url = dic[@"FILEPATH"];
        NSCharacterSet *whitespace = [NSCharacterSet whitespaceAndNewlineCharacterSet];
        NSString *str = [url stringByTrimmingCharactersInSet:whitespace];
        
        if (str.length > 0) {
            NSIndexPath *indexPath = [NSIndexPath indexPathForItem:i inSection:0];
            SelectCell *cell = (SelectCell *)[mainCollection cellForItemAtIndexPath:indexPath];
            MJPhoto *photo = [[MJPhoto alloc] init];
            photo.url = [NSURL URLWithString:str]; // 图片路径
            photo.srcImageView = cell.imageView; // 来源于哪个UIImageView
            [photos addObject:photo];
        }
    }
    
    // 2.显示相册
    MJPhotoBrowser *browser = [[MJPhotoBrowser alloc] init];
    browser.currentPhotoIndex = tap.view.tag; // 弹出相册时显示的第一张图片是？
    browser.photos = photos; // 设置所有的图片
    [browser show];
}

#pragma mark      collection delegate
-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    return dataArray.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    /*
     所有培训照片
     EVENT = 18;
     FILEPATH = "http://photo.lnjppt.com/syphoto/upload/12101000043/1801/12101000043_1516698197.jpg";
     ID = 38948;
     PTIME = 20180123170320;
     "STU_ID" = 2101000000021;
     
     单条训练照片
     FACEJUDE  PTIME   FILEPATH
     */
    SelectCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"SelectCell" forIndexPath:indexPath];
    NSDictionary *dic = dataArray[indexPath.row];
    NSString *str = dic[@"FILEPATH"];
    if (!str) {
        str = @"";
    }
    [cell.imageView sd_setImageWithURL:[NSURL URLWithString:str] placeholderImage:[UIImage imageNamed:@"noImg.png"]];
    
    NSString *timeStr = dic[@"PTIME"];
//    if (timeStr.length > 16) {
//        timeStr = [timeStr substringWithRange:NSMakeRange(5, 11)];
//    }
    cell.timeLabel.text = timeStr;
    
    
    NSString *typeString = @"";
    if (_skipType == 1) {
        typeString = [NSString stringWithFormat:@"相似度：%@%%",dic[@"FACEJUDE"]];
    }else {
        switch ([dic[@"EVENT"] integerValue]) {
            case 17:
                typeString = @"签到抓拍";
                break;
            case 18:
                typeString = @"签退抓拍";
                break;
            case 19:
                typeString = @"过程抓拍";
                break;
            default:
                break;
        }
    }
    cell.styleLabel.text = typeString;
    
    cell.imageView.tag = indexPath.row;
    if (isEdit) {
        cell.imageView.userInteractionEnabled = NO;
    }else{
        cell.imageView.userInteractionEnabled = YES;
    }
    // 事件监听
    [cell.imageView addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapImage:)]];
    
    return cell;
}

-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
    if (!isEdit) {
        return;
    }
    //如果手势没用的时候 再开这个用来选中删除
    SelectCell *cell = (SelectCell *)[mainCollection cellForItemAtIndexPath:indexPath];
    cell.isDelete = !cell.isDelete;
    if (cell.isDelete) {
        cell.selectView.hidden = NO;
        [delArray addObject:dataArray[indexPath.row]];
    }else{
        cell.selectView.hidden = YES;
        
        if ([delArray containsObject:dataArray[indexPath.row]]) {
            [delArray removeObject:dataArray[indexPath.row]];
        }
    }
    
    //NSLog(@"delArray-->%@",delArray);
    countLabel.text = [NSString stringWithFormat:@"您已选了%d张照片噢",(int)delArray.count];
}

#pragma mark           数据请求
- (void)getTrainFiles
{
    [LoadingView showHUD];
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    NSMutableArray *arr = [NSMutableArray array];
    [arr addPro:@"classId"       Value:_stuDic[@"CLASSID"]];
    [arr addPro:@"stuId"         Value:_stuDic[@"STUID"]];
    [arr addPro:@"dqbh"          Value:defUser.userDict[@"cityId"]];
    
    NSString* method = @"getTrainFiles";
    [jiaPeiManager requestAnythingWithURL:method array:arr data:nil completion:^(NSDictionary * root) {
        RemoveHUD();
        [holderV setHidden:NO];
        if (!root) {
            return;
        }
        if ([root[@"code"] isEqualToString:@"1"]) {
            
            ShowMsg(root[@"body"]);
            return;
        }
        if ([root[@"body"] count] == 0) {
            return;
        }
        
        dataArray = root[@"body"];
        
        [holderV setHidden:YES];
        [mainCollection reloadData];
    }];
}


- (void)getStuPhotos
{
    [LoadingView showHUD];
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    NSMutableArray *arr = [NSMutableArray array];
    
    [arr addPro:@"stuId"         Value:_stuDic[@"TSO_ID"]];
    [arr addPro:@"dqbh"          Value:defUser.userDict[@"cityId"]];
    
    NSString* method = @"getStuPhotos";
    [jiaPeiManager requestAnythingWithURL:method array:arr data:nil completion:^(NSDictionary * root) {
        RemoveHUD();
        [holderV setHidden:NO];
        if (!root) {
            return;
        }
        if ([root[@"code"] isEqualToString:@"1"]) {
            
            ShowMsg(root[@"body"]);
            return;
        }
        if ([root[@"body"] count] == 0) {
            return;
        }
        
        dataArray = root[@"body"];
        
        [holderV setHidden:YES];
        [mainCollection reloadData];
    }];
}

- (void)delStuPhotos
{
    [LoadingView showHUD];
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    NSString *delString = @"";
    for (NSDictionary *dic in delArray) {
        
        delString = [delString stringByAppendingString:[NSString stringWithFormat:@"%@,",dic[@"ID"]]];
    }
    if (delString.length > 0) {
        delString = [delString substringToIndex:delString.length - 1];
    }


    NSMutableArray *arr = [NSMutableArray array];
    [arr addPro:@"ids"          Value:delString];
    [arr addPro:@"zjhm"         Value:_stuDic[@"STU_SFZHM"]];
    
    NSString* method = @"delStuPhotos";
    [jiaPeiManager requestAnythingWithURL:method array:arr data:nil completion:^(NSDictionary * root) {
        RemoveHUD();
        if (!root) {
            ShowMsg(@"删除失败");
            return;
        }
        if ([root[@"code"] isEqualToString:@"1"]) {
            
            ShowMsg(root[@"body"]);
            return;
        }
        //成功要刷新
        [self getStuPhotos];
    }];
}




- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
}



@end