PostTableViewCell.m

// TweetTableViewCell.m
//
// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#import "PostTableViewCell.h"

#import "Post.h"
#import "User.h"

@import AFNetworking;

@implementation PostTableViewCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style
              reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (!self) {
        return nil;
    }
    
    self.textLabel.adjustsFontSizeToFitWidth = YES;
    self.textLabel.textColor = [UIColor darkGrayColor];
    self.detailTextLabel.font = [UIFont systemFontOfSize:12.0f];
    self.detailTextLabel.numberOfLines = 0;
    self.selectionStyle = UITableViewCellSelectionStyleGray;
    
    return self;
}

- (void)setPost:(Post *)post {
    _post = post;

    self.textLabel.text = _post.user.username;
    self.detailTextLabel.text = _post.text;
    [self.imageView setImageWithURL:_post.user.avatarImageURL placeholderImage:[UIImage imageNamed:@"profile-image-placeholder"]];
    
    [self setNeedsLayout];
}

+ (CGFloat)heightForCellWithPost:(Post *)post {
    return (CGFloat)fmaxf(70.0f, (float)[self detailTextHeight:post.text] + 45.0f);
}

+ (CGFloat)detailTextHeight:(NSString *)text {
    CGRect rectToFit = [text boundingRectWithSize:CGSizeMake(240.0f, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName: [UIFont systemFontOfSize:12.0f]} context:nil];
    return rectToFit.size.height;
}

#pragma mark - UIView

- (void)layoutSubviews {
    [super layoutSubviews];
    
    self.imageView.frame = CGRectMake(10.0f, 10.0f, 50.0f, 50.0f);
    self.textLabel.frame = CGRectMake(70.0f, 6.0f, 240.0f, 20.0f);
    
    CGRect detailTextLabelFrame = CGRectOffset(self.textLabel.frame, 0.0f, 25.0f);
    CGFloat calculatedHeight = [[self class] detailTextHeight:self.post.text];
    detailTextLabelFrame.size.height = calculatedHeight;
    self.detailTextLabel.frame = detailTextLabelFrame;
}

@end