duoshoubang/FirstLink/Compoments/首页模块/发现页面/Cell&View/FKExploreTab...

//
//  FKExploreTableCell.m
//  FirstLink
//
//  Created by ascii on 16/2/16.
//  Copyright © 2016年 FirstLink. All rights reserved.
//

#import "FKExploreTableViewCell.h"
#import "FKExploreTopicListItem.h"

#import "FKExploreNormalCell.h"
#import "FKExploreMoreCell.h"

#import "FKRecommendViewModel.h"

@interface FKExploreTableViewCell ()
<UICollectionViewDataSource, UICollectionViewDelegate>

@property (nonatomic, strong) UIImageView            *largeImageView;
@property (nonatomic, strong) UIImageView            *categoryImgIcon;
@property (nonatomic, strong) UIImageView            *triangleImgIcon;
@property (nonatomic, strong) FKExploreTopicListItem *topicListItem;

@end

@implementation FKExploreTableViewCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        self.selectionStyle = UITableViewCellSelectionStyleNone;
        self.contentView.backgroundColor = [UIColor whiteColor];
        
        [self addAllSubviews];
    }
    return self;
}

- (void)addAllSubviews {
    [self.contentView addSubview:self.largeImageView];
    [self.largeImageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.top.right.equalTo(self.contentView);
        make.height.mas_equalTo([FKExploreTableViewCell largeImageHeight:UISCREENWIDTH]);
    }];
    
    [self.largeImageView addSubview:self.categoryImgIcon];
    [self.categoryImgIcon mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.largeImageView).offset(10);
        make.left.equalTo(self.largeImageView);
        make.size.mas_equalTo(CGSizeMake(59, 16));
    }];
    
    [self.largeImageView addSubview:self.triangleImgIcon];
    [self.triangleImgIcon mas_makeConstraints:^(MASConstraintMaker *make) {
        make.bottom.equalTo(self.largeImageView);
        make.left.equalTo(self.largeImageView).offset([FKExploreTableViewCell thumbImageBoardLength:UISCREENWIDTH]/2 + 15 - 10);
    }];
    
    [self.contentView addSubview:self.collectionView];
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.bottom.right.equalTo(self.contentView);
        make.top.equalTo(self.largeImageView.mas_bottom);
    }];
}

- (void)configCell:(FKExploreTopicListItem *)item {
    [self.largeImageView sd_setImageWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@%@", item.photoURL,
                                                               [FLStringHelper cdnParamaterString:UISCREENWIDTH
                                                                                           height:[FKExploreTableViewCell largeImageHeight:UISCREENWIDTH]]]]];
    
    self.topicListItem = item;
    [self.collectionView reloadData];
}

- (void)fk_configWithViewModel:(FKRecommendViewModel *)viewModel indexPath:(NSIndexPath *)indexPath {
    if ([viewModel isKindOfClass:[FKRecommendViewModel class]]) {
        if ((indexPath.row - 1) < viewModel.operationActivityArea.dataArray.count) {
            FKActivityItem *activityItem = viewModel.operationActivityArea.dataArray[indexPath.row - 1];
            
            FKExploreTopicListItem *topicListItem = [FKExploreTopicListItem new];
            topicListItem.topicID     = activityItem.itemID;
            topicListItem.photoURL    = activityItem.picUrl;
            topicListItem.objectType  = @"10";
            topicListItem.categoryURL = activityItem.categoryURL;
            
            NSMutableArray *array = [NSMutableArray array];
            FKExploreTopicListSubItem *subItem;
            for (FKActivityProductItem *productItem in activityItem.productArray) {
                subItem            = [FKExploreTopicListSubItem new];
                subItem.itemID     = productItem.itemID;
                subItem.name       = productItem.title;
                subItem.indexPic   = productItem.picURL;
                subItem.price      = productItem.price;
                subItem.referPrice = productItem.originalPrice;
                
                [array addObject:subItem];
            }
            topicListItem.subItemArray = array;
            
            self.topicListItem = topicListItem;
            
            if (topicListItem.categoryURL.length > 0) {
                self.categoryImgIcon.hidden = NO;
                [self.categoryImgIcon sd_setImageWithURL:[NSURL URLWithString:topicListItem.categoryURL]];
            } else {
                self.categoryImgIcon.hidden = YES;
            }
            [self.largeImageView sd_setImageWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@%@", topicListItem.photoURL,
                                                                       [FLStringHelper cdnParamaterString:UISCREENWIDTH
                                                                                                   height:[FKExploreTableViewCell largeImageHeight:UISCREENWIDTH]]]]];
            [self.collectionView reloadData];
            self.collectionView.delegate = self;
        }
    }
}

#pragma mark - UICollectionViewDataSource

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return (self.topicListItem.subItemArray.count + 1);
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    UICollectionViewCell *cell;
    if (indexPath.row == self.topicListItem.subItemArray.count) {
        cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([FKExploreMoreCell class])
                                                         forIndexPath:indexPath];
    } else {
        FKExploreNormalCell *normalCell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([FKExploreNormalCell class])
                                                                               forIndexPath:indexPath];
        [normalCell.imageView setImageWithURL:[self.topicListItem subItemImageURLStringAtIndex:indexPath.row] cdnWidth:[FKExploreTableViewCell thumbImageBoardLength:UISCREENWIDTH]];
//        normalCell.titleLabel.text = [self.topicListItem subItemTitleAtIndex:indexPath.row];
        normalCell.priceLabel.attributedText = [self.topicListItem priceAttributedStringAtIndex:indexPath.row];
        
        cell = normalCell;
    }
    return cell;
}

- (IBAction)clickLargeImageViewGesture:(UIGestureRecognizer *)gesture {
    if (self.delegate && [self.delegate respondsToSelector:@selector(recommendClickCell:atIndexPath:offset:)]) {
        [self.delegate recommendClickCell:self atIndexPath:self.indexPath offset:gesture.view.tag];
    }
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    // 更多Cell使用－1作为index
    NSInteger index = (indexPath.row == self.topicListItem.subItemArray.count ? -1 : indexPath.row);
    
    if (self.delegate && [self.delegate respondsToSelector:@selector(recommendClickCell:atIndexPath:offset:)]) {
        [self.delegate recommendClickCell:self atIndexPath:self.indexPath offset:index];
    }
}

#pragma mark - Height

+ (CGFloat)height {
    return ([FKExploreTableViewCell largeImageHeight:UISCREENWIDTH] + [FKExploreTableViewCell scrollViewHeight:UISCREENWIDTH]);
}

+ (int)largeImageHeight: (CGFloat)screenWidth {
    return (int)(screenWidth * 185.0 / 375.0);
}

+ (int)thumbImageBoardLength: (CGFloat)screenWidth {
    if (screenWidth <= 321) {
        return 100;
    }
    return 100;
}

+ (int)scrollViewHeight:(CGFloat)screenWidth {
    return (10 + [FKExploreTableViewCell thumbImageBoardLength:screenWidth] + 36);
}

#pragma mark - Property

- (UIImageView *)largeImageView {
    if (!_largeImageView) {
        _largeImageView = [UIImageView new];
        _largeImageView.tag = -1;
        _largeImageView.userInteractionEnabled = YES;
        [_largeImageView addGestureRecognizer:[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(clickLargeImageViewGesture:)]];
    }
    return _largeImageView;
}

- (UIImageView *)categoryImgIcon {
    if (!_categoryImgIcon) {
        _categoryImgIcon = [UIImageView new];
    }
    return _categoryImgIcon;
}

- (UIImageView *)triangleImgIcon {
    if (!_triangleImgIcon) {
        _triangleImgIcon = [UIImageView new];
        _triangleImgIcon.image = [UIImage imageNamed:@"WhiteTriangleIcon"];
    }
    return _triangleImgIcon;
}

- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
        layout.headerReferenceSize = CGSizeMake(15, 40);
        layout.footerReferenceSize = CGSizeMake(10, 40);
        layout.minimumInteritemSpacing = 0;
        layout.minimumLineSpacing = 10;
        layout.itemSize = CGSizeMake([FKExploreTableViewCell thumbImageBoardLength:UISCREENWIDTH], [FKExploreTableViewCell scrollViewHeight:UISCREENWIDTH]);
        layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
        
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.dataSource  = self;
        _collectionView.delegate    = self;
        _collectionView.backgroundColor = [UIColor whiteColor];
        _collectionView.alwaysBounceVertical = NO;
        _collectionView.showsHorizontalScrollIndicator = NO;
        _collectionView.scrollsToTop = NO;
        [_collectionView registerClass:[FKExploreMoreCell class] forCellWithReuseIdentifier:NSStringFromClass([FKExploreMoreCell class])];
        [_collectionView registerClass:[FKExploreNormalCell class] forCellWithReuseIdentifier:NSStringFromClass([FKExploreNormalCell class])];
    }
    return _collectionView;
}

@end