//
//  topicDescCell.m
//  ThePaperHD
//
//  Created by scar1900 on 15/5/12.
//  Copyright (c) 2015年 scar1900. All rights reserved.
//

#import "topicDescCell.h"

#define tableWidht 1230/2

@interface topicDescCell() {
    CGFloat descHeight;
}
@property(nonatomic, strong)UILabel *descLabel;
@property(nonatomic, strong)UIView *line;
@property(nonatomic, strong)UIButton *expandBtn;
@end

@implementation topicDescCell
@synthesize topicDesc = _topicDesc;
@synthesize padding;
@synthesize expand;
@synthesize delegate;

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

        [self.contentView addSubview:self.descLabel];
        [self.contentView addSubview:self.expandBtn];
        [self.contentView addSubview:self.line];
        
        self.expand = NO;
    }
    return self;
}

- (void)setTopicDesc:(NSString *)str {
    _topicDesc = str;
    
    descHeight = heightForString(str, appFont(14, NO), tableWidht, NSLineBreakByWordWrapping)+15;
    if (descHeight > 83) {
        if (!self.expand) {
            descHeight = 83;
        }
        self.expandBtn.hidden = NO;
    }else {
        self.expandBtn.hidden = YES;
    }
    
    self.descLabel.text = str;
}

- (UILabel*)descLabel {
    if (!_descLabel) {
        _descLabel = [[UILabel alloc]initWithFrame:CGRectZero];
        _descLabel.font = appFont(14, NO);
        _descLabel.textColor = [UIColor colorWithHexString:TextGray];
        _descLabel.textAlignment = NSTextAlignmentLeft;
        _descLabel.lineBreakMode = NSLineBreakByWordWrapping;
        _descLabel.numberOfLines = 0;
        _descLabel.backgroundColor = [UIColor clearColor];
    }
    return _descLabel;
}

- (UIButton*)expandBtn {
    if (!_expandBtn) {
        _expandBtn = [UIButton buttonWithType:UIButtonTypeCustom];
        _expandBtn.backgroundColor = [UIColor clearColor];
        _expandBtn.hidden = YES;
        [_expandBtn setImage:Image(@"detailPage/expandArrow.png") forState:UIControlStateNormal];
        [_expandBtn addTarget:self action:@selector(expandEvent:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _expandBtn;
}

- (UIView*)line {
    if (!_line) {
        _line = [[UIView alloc]initWithFrame:CGRectZero];
        _line.backgroundColor = [UIColor colorWithHexString:LINECOLOR];
    }
    return _line;
}

- (void)expandEvent:(UIButton*)btn {
    self.expand = !self.expand;
    
    if ([self.delegate respondsToSelector:@selector(clickToExpand:)]) {
        [self.delegate clickToExpand:self.expand];
    }
}

- (void)layoutSubviews {
    [super layoutSubviews];
    
    self.descLabel.frame = CGRectMake(self.padding, 13, tableWidht, descHeight);
    
    if (!self.expand) {
        [_expandBtn setImage:Image(@"detailPage/expandArrow.png") forState:UIControlStateNormal];
    }else {
        [_expandBtn setImage:Image(@"detailPage/expandArrowUp.png") forState:UIControlStateNormal];
    }
    
    self.expandBtn.frame = CGRectMake(padding,
                                      CGRectGetMaxY(self.descLabel.frame),
                                      tableWidht,
                                      30);
    
    [self.expandBtn setImageEdgeInsets:UIEdgeInsetsMake(15-15/2,
                                                        CGRectGetWidth(self.expandBtn.frame)/2-13,
                                                        15-15/2,
                                                        CGRectGetWidth(self.expandBtn.frame)/2-13)];
    
    self.line.frame = CGRectMake(padding, CGRectGetHeight(self.contentView.bounds)-1, tableWidht, 1);
}

- (void)awakeFromNib {
    // Initialization code
}

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

    // Configure the view for the selected state
}

@end