iboss-ios/IBOSS/ImageAttachmentCell.m

//
//  ImageAttachmentCell.m
//  IBOSS
//
//  Created by 关宏厚 on 2020/7/27.
//  Copyright © 2020 elongtian. All rights reserved.
//

#import "ImageAttachmentCell.h"
#import "AlbumPhotoCollectionViewCell.h"
#import "XHAlbumCollectionViewFlowLayout.h"
#import "XHImageViewer.h"
#import "ImageModel.h"
#define PhotoCollectionViewCellIdentifier @"PhotoCollectionViewCellIdentifier"

@interface AttachmentPhotoCollectionView : UICollectionView
@end

@implementation AttachmentPhotoCollectionView

@end

@interface ImageAttachmentCell(){
    // 底部灰背景
    UIView *_viewBottomBackgroud;
    // UIControl控件
    UIControl *_control;
}

/**
 图片控件
 */
@property (nonatomic, strong) AttachmentPhotoCollectionView *photoCollectionView;
@end

@implementation ImageAttachmentCell
@synthesize subView;

/**
 初始化
 
 @param style <#style description#>
 @param reuseIdentifier <#reuseIdentifier description#>
 @return <#return value description#>
 */
- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        // Initialization code
        [self initUI];
    }
    return self;
}

/**
 初始化ui
 */
- (void)initUI
{
    _control = [[UIControl alloc] initWithFrame:CGRectMake(0, 0,Screen_Width,40)];
    [_control addTarget:self action:@selector(headerClick:) forControlEvents:UIControlEventTouchUpInside];
    [self.contentView addSubview:_control];
    
    _imgInfoTitle = [[UILabel alloc] init];
    _imgInfoTitle.frame=CGRectMake(20,7,120,25);
    _imgInfoTitle.text = @"方案附件信息";
    _imgInfoTitle.backgroundColor = [UIColor clearColor];
    _imgInfoTitle.font = [UIFont systemFontOfSize:14.0f];
    _imgInfoTitle.textColor = [UIColor redColor];
    [self.contentView addSubview:_imgInfoTitle];
    
    _btnArrow = [UIButton buttonWithType:UIButtonTypeCustom];
    _btnArrow.frame=CGRectMake(Screen_Width-30,12,16, 16);
    [_btnArrow setBackgroundImage:[UIImage imageNamed:@"arrow-down"] forState: UIControlStateNormal];
    [_btnArrow addTarget:self action:@selector(headerClick:) forControlEvents:UIControlEventTouchUpInside];
    [self.contentView addSubview:_btnArrow];
}

/**
 图片
 
 @param infoDetail <#infoDetail description#>
 */
- (void)setImageInfo:(CustomerInfoDetailModel *)infoDetail {
   
    _infoDetailModel=infoDetail;
    NSMutableArray *imgArr;
    subView = [[UIView alloc]init];
    [self.contentView addSubview:subView];
    subView.backgroundColor = [UIColor clearColor];
    CGRect photoFrame;
    
    imgArr = [_infoDetailModel imageAttachmentDisplayArr];
    if(imgArr != nil&&[imgArr count]>0){
        photoFrame= [infoDetail getPhotoFrame:[infoDetail imageAttachmentDisplayArr ]];
        
        subView.frame=CGRectMake(0,CGRectGetMaxY(_control.frame), Screen_Width, [infoDetail getPhotoCollectionViewHeightWithPhotos:[infoDetail imageAttachmentDisplayArr ]]);
        
        //分割线
        UIView *_viewBackgroud = [UIView new];
        _viewBackgroud.frame = CGRectMake(0, 0, Screen_Width, 1);
        _viewBackgroud.backgroundColor = LineBackgroundColor;
        [subView  addSubview:_viewBackgroud];
        
        _photoCollectionView = [[AttachmentPhotoCollectionView alloc] initWithFrame:photoFrame collectionViewLayout:[[XHAlbumCollectionViewFlowLayout alloc] init]];
        _photoCollectionView.backgroundColor  = [UIColor clearColor];
        [_photoCollectionView registerClass:[AlbumPhotoCollectionViewCell class] forCellWithReuseIdentifier:PhotoCollectionViewCellIdentifier];
        _photoCollectionView.delegate = self;
        _photoCollectionView.scrollEnabled=NO;
        _photoCollectionView.dataSource = self;
        [subView addSubview:self.photoCollectionView];
        [self.photoCollectionView reloadData];
    }
    
    else
    {
        subView.frame=CGRectMake(0,CGRectGetMaxY(_control.frame), Screen_Width, 0);
    }
   
    _viewBottomBackgroud = [UIView new];
    _viewBottomBackgroud.backgroundColor = LineBackgroundColor;
    [self.contentView addSubview:_viewBottomBackgroud];
    if([_isOpen isEqualToString:@"1"])
    {
        subView.hidden=NO;
        _viewBottomBackgroud.frame = CGRectMake(0, CGRectGetMaxY(subView.frame), Screen_Width, 10);
    }
    else
    {
        subView.hidden=YES;
        _viewBottomBackgroud.frame = CGRectMake(0, CGRectGetMaxY(_control.frame), Screen_Width, 10);
    }
}

/**
 图片个数
 
 @param collectionView <#collectionView description#>
 @param section <#section description#>
 @return <#return value description#>
 */
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return  [[_infoDetailModel imageAttachmentDisplayArr ] count];
}

/**
 单元格图片
 
 @param collectionView <#collectionView description#>
 @param indexPath <#indexPath description#>
 @return <#return value description#>
 */
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    AlbumPhotoCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:PhotoCollectionViewCellIdentifier forIndexPath:indexPath];
    
    cell.indexPath = indexPath;
    ImageModel *image = [[_infoDetailModel imageAttachmentDisplayArr ] objectAtIndex:indexPath.row];
    NSString *imagepath = [image imageName];
    if(imagepath != nil&&[imagepath length]>0){
        NSString *imageUrl = [NSString stringWithFormat:@"http://%@:%@/WebService/%@",kkServerUrl,kkServerPort,imagepath];
        NSURL *url = [NSURL URLWithString:imageUrl];
        [cell.photoImageView downloadImageWithURL:url];
    }
    return cell;
}

/**
 点击事件
 
 @param sender <#sender description#>
 */
- (void)headerClick:(id)sender{
    [self rotateArrowImage];
    if([self.delegate respondsToSelector:@selector(refreshTableView)])
    {
        [self.delegate performSelector:@selector(refreshTableView) withObject:nil afterDelay:0.0 ];
    }
}

/**
 图片高度
 
 @param photos <#photos description#>
 @return <#return value description#>
 */
+ (CGFloat)getPhotoCollectionViewHeightWithPhotos:(NSArray *)photos {
    // 上下间隔已经在frame上做了
    NSInteger row = (photos.count / 3 + (photos.count % 3 ? 1 : 0));
    return (row *85 + ((row - 1) *5));
}

/**
 展开,收缩
 */
- (void)rotateArrowImage{
    //如果已经展开,收缩
    if([_isOpen isEqualToString:@"1"]){
        [UIView animateWithDuration:0.2 animations:^{
            self.btnArrow.transform = CGAffineTransformMakeRotation(0 / 180.0 * M_PI );
        }];
        _isOpen = @"0";
        subView.hidden=YES;
        _viewBottomBackgroud.frame = CGRectMake(0, CGRectGetMaxY(_control.frame), Screen_Width, 10);
    }else{
        [UIView animateWithDuration:0.2 animations:^{
            self.btnArrow.transform = CGAffineTransformMakeRotation(180 / 180.0 * M_PI );
        }];
        _isOpen = @"1";
        subView.hidden=NO;
        _viewBottomBackgroud.frame = CGRectMake(0, CGRectGetMaxY(subView.frame), Screen_Width, 10);
    }
}

/**
 是否展开,收缩
 
 @param aIsOpen <#aIsOpen description#>
 */
- (void)setIsOpen:(NSString *)aIsOpen{
    _isOpen = aIsOpen;
    if([_isOpen isEqualToString:@"1"]){
        self.btnArrow.transform = CGAffineTransformMakeRotation(180 / 180.0 * M_PI );
        subView.hidden=NO;
        _viewBottomBackgroud.frame = CGRectMake(0, CGRectGetMaxY(subView.frame), Screen_Width, 10);
    }
    else
    {
        self.btnArrow.transform = CGAffineTransformMakeRotation(0 / 180.0 * M_PI );
        subView.hidden=YES;
        _viewBottomBackgroud.frame = CGRectMake(0, CGRectGetMaxY(_control.frame), Screen_Width, 10);
    }
}

#pragma mark - UICollectionView Delegate

/**
 选择图片
 
 @param collectionView <#collectionView description#>
 @param indexPath <#indexPath description#>
 */
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    
    [self showImageViewerAtIndexPath:indexPath];
}

/**
 选择图片
 
 @param indexPath <#indexPath description#>
 */
- (void)showImageViewerAtIndexPath:(NSIndexPath *)indexPath {
    AlbumPhotoCollectionViewCell *cell = (AlbumPhotoCollectionViewCell *)[self.photoCollectionView cellForItemAtIndexPath:indexPath];
    
    NSMutableArray *imageViews = [NSMutableArray array];
    NSArray *visibleCell = [self.photoCollectionView visibleCells];
    
    NSSortDescriptor *sort = [NSSortDescriptor sortDescriptorWithKey:@"indexPath" ascending:YES];
    
    visibleCell = [visibleCell sortedArrayUsingDescriptors:[NSArray arrayWithObject:sort]];
    
    [visibleCell enumerateObjectsUsingBlock:^(AlbumPhotoCollectionViewCell *cell, NSUInteger idx, BOOL *stop) {
        [imageViews addObject:[[cell.contentView subviews] lastObject]];
    }];
    
    XHImageViewer *imageViewer = [[XHImageViewer alloc] init];
    [imageViewer showWithImageViews:imageViews selectedView:[[cell.contentView subviews] lastObject]];
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];

    // Configure the view for the selected state
}

@end