duoshoubang/FirstLink/Compoments/详情模块/Cells/PdProductSho...

//
//  PdProductShowCell.m
//  FirstLink
//
//  Created by jack on 15/7/17.
//  Copyright (c) 2015年 FirstLink. All rights reserved.
//

#import "PdProductShowCell.h"
#import "ProductShowItem.h"
#import "FKProDetailViewModel.h"

@implementation PdProductShowCell

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

- (void)initialize {
    [self.contentView addSubview:self.showImgView];
    [self.contentView addSubview:self.contentLabel];
    self.contentView.backgroundColor = [UIColor clearColor];
    
    [self.showImgView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.contentView);
        make.centerX.equalTo(self.contentView);
        make.width.mas_equalTo([PdProductShowCell defaultImgWidth]);
        make.height.mas_equalTo([PdProductShowCell defaultImgHeight]);
    }];
    
    [self.contentLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.contentView).offset(15);
        make.right.equalTo(self.contentView).offset(- 15);
        make.bottom.equalTo(self.contentView).offset(- 15);
    }];
    
}

- (void)fk_configWithViewModel:(id)viewModel indexPath:(NSIndexPath *)indexPath{
    if ([viewModel isKindOfClass:[FKProDetailViewModel class]]) {
        FKProDetailViewModel *detailModel = (FKProDetailViewModel *)viewModel;
        ProductShowItem *showItem = [detailModel.dataItem productShowItemForIndex:indexPath.row];
        
        [self configWithShowItem:showItem];
    }
}
- (void)configWithShowItem:(ProductShowItem *)item{
    
    if (item) {
        self.showImgView.image = nil;
        
        [self.showImgView setImageWithURL:item.imageUrl cdnWidth:[item realImgSize].width];
        self.imgHeightCtrl.constant = [item realImgSize].height;
        self.imgWidthCtrl.constant = [item realImgSize].width;
        self.contentLabel.attributedText = [FLStringHelper attStringWithText:item.describString lineSpace:2.4f];
    }
}

+ (CGFloat)defaultImgHeight {
    return [self defaultImgWidth] * 9.0f / 7.0f;
}

+ (CGFloat)defaultImgWidth {
    return  UISCREENWIDTH - 20;
}

+ (CGFloat)cellHeightForText:(NSString *)text withImgHeight:(CGFloat)imgHeight {
    //    CGFloat imgH = imgHeight ? imgHeight : [PdProductShowCell imgViewHeigth];
    if (text.length == 0) {
        return (imgHeight + 10);
    }
    
    CGFloat textWidth = [UIScreen mainScreen].bounds.size.width - 15 * 2;
    NSMutableParagraphStyle *paraStyle = [[NSMutableParagraphStyle alloc]init];
    paraStyle.lineSpacing = 2.4f;
    NSDictionary *dict = @{NSFontAttributeName : [UIFont systemFontOfSize:14], NSParagraphStyleAttributeName : paraStyle};
    CGRect rect = [text boundingRectWithSize:CGSizeMake(textWidth, 0)
                                     options:NSStringDrawingUsesLineFragmentOrigin
                                  attributes:dict
                                     context:nil];
    
    return imgHeight + 15 * 2 + rect.size.height;
}

#pragma mark - action
- (void)clickImgView{
    if ([self.delegate respondsToSelector:@selector(clickProductImg:)]) {
        [self.delegate clickProductImg:self];
    }
}

//#pragma mark - Function
//
//- (void)configCell:(id)obj {
//    if ([obj isKindOfClass:[ProductShowItem class]]) {
//        ProductShowItem *item = (ProductShowItem *)obj;
//        
//        self.showImgView.image = nil;
//        [self.showImgView setImageWithURL:[NSURL URLWithString:item.imageUrl]];
//        self.imgHeightCtrl.constant = [item realImgSize].height;
//        self.imgWidthCtrl.constant = [item realImgSize].width;
//        self.contentLabel.attributedText = [FLStringHelper attStringWithText:item.describString
//                                                                   lineSpace:2.4f];
//    }
//}

#pragma mark - getter && setter
- (UIImageView *)showImgView
{
    if (_showImgView == nil) {
        _showImgView = [[UIImageView alloc]init];
        _showImgView.userInteractionEnabled = YES;
        _showImgView.contentMode = UIViewContentModeScaleAspectFit;
        
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(clickImgView)];
        [_showImgView addGestureRecognizer:tap];
    }
    return _showImgView;
}
- (UILabel *)contentLabel
{
    if (_contentLabel == nil) {
        _contentLabel = [[UILabel alloc]init];
        _contentLabel.backgroundColor = [UIColor clearColor];
        _contentLabel.numberOfLines = 0;
        _contentLabel.textAlignment = NSTextAlignmentLeft;
        _contentLabel.textColor = UIColorFromRGB(0x666666);
        _contentLabel.font = [UIFont systemFontOfSize:14];
        _contentLabel.lineBreakMode = NSLineBreakByCharWrapping;
    }
    return _contentLabel;
}
- (NSLayoutConstraint *)imgHeightCtrl
{
    if (_imgHeightCtrl == nil) {
        for (NSLayoutConstraint *constraint in self.showImgView.constraints) {
            if (constraint.firstItem == self.showImgView && constraint.firstAttribute == NSLayoutAttributeHeight){
                _imgHeightCtrl = constraint;
                break;
            }
        }
    }
    return _imgHeightCtrl;
}

- (NSLayoutConstraint *)imgWidthCtrl
{
    if (_imgWidthCtrl == nil) {
        for (NSLayoutConstraint *constraint in self.showImgView.constraints) {
            if (constraint.firstItem == self.showImgView && constraint.firstAttribute == NSLayoutAttributeWidth){
                _imgWidthCtrl = constraint;
                break;
            }
        }
    }
    return _imgWidthCtrl;
}
@end