AddPicTextTableViewCell.m

//
//  AddPicTextTableViewCell.m
//  redstar
//
//  Created by admin on 15/12/19.
//  Copyright © 2015年 ZWF. All rights reserved.
//

#import "AddPicTextTableViewCell.h"

@interface AddPicTextTableViewCell () <UITextViewDelegate>
@property (nonatomic, strong) UIImageView *backImageView1;
@property (nonatomic, strong) UILabel *placeholderLabel2;
@property (nonatomic, strong) UIView *lineView;
@end

@implementation AddPicTextTableViewCell
- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        [self setup];
    }
    return self;
}

- (void)setup
{
    self.contentView.backgroundColor = kFootViewBackGroundColor;
    self.lineView.backgroundColor = kSeparateLineColor;
    self.photoButton.backgroundColor = [UIColor whiteColor];
    self.photoLabel.text = @"图片说明";
    UIImage *image = [UIImage imageNamed:@"textbox"];
    UIImage *resizingName = [image resizableImageWithCapInsets:UIEdgeInsetsMake(1, 1, 24, 24) resizingMode:UIImageResizingModeStretch];
    self.backImageView1.image = resizingName;
    self.titleTextView.backgroundColor = [UIColor clearColor];
    self.placeholderLabel2.text = @"请输入图片说明...";
}

- (UIView *)lineView
{
    if (!_lineView) {
        _lineView = [[UIView alloc] init];
        _lineView.translatesAutoresizingMaskIntoConstraints = NO;
        [self.contentView addSubview:_lineView];
        
        NSLayoutConstraint *contentTop = [NSLayoutConstraint constraintWithItem:_lineView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeTop multiplier:1.0 constant:0];
        [self.contentView addConstraint:contentTop];
        
        NSLayoutConstraint *contentLeft = [NSLayoutConstraint constraintWithItem:_lineView attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeLeft multiplier:1.0 constant:0];
        [self.contentView addConstraint:contentLeft];
        
        NSLayoutConstraint *contentRight = [NSLayoutConstraint constraintWithItem:_lineView attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeRight multiplier:1.0 constant:0];
        [self.contentView addConstraint:contentRight];
        
        NSLayoutConstraint *contentHeight = [NSLayoutConstraint constraintWithItem:_lineView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:0.5];
        [self.contentView addConstraint:contentHeight];
    }
    return _lineView;
}


- (UIButton *)photoButton
{
    if (!_photoButton) {
        _photoButton = [[UIButton alloc] init];
        _photoButton.translatesAutoresizingMaskIntoConstraints = NO;
        [self.contentView addSubview:_photoButton];
        
        NSLayoutConstraint *contentTop = [NSLayoutConstraint constraintWithItem:_photoButton attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeTop multiplier:1.0 constant:10];
        [self.contentView addConstraint:contentTop];
        
        NSLayoutConstraint *contentLeft = [NSLayoutConstraint constraintWithItem:_photoButton attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeLeft multiplier:1.0 constant:20];
        [self.contentView addConstraint:contentLeft];
        
        NSLayoutConstraint *contentRight = [NSLayoutConstraint constraintWithItem:_photoButton attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeCenterX multiplier:1.0 constant:-5];
        [self.contentView addConstraint:contentRight];
        
        NSLayoutConstraint *contentHeight = [NSLayoutConstraint constraintWithItem:_photoButton attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:100];
        [self.contentView addConstraint:contentHeight];
    }
    return _photoButton;
}

- (UILabel *)photoLabel
{
    if (!_photoLabel) {
        _photoLabel= [[UILabel alloc] init];
        _photoLabel.translatesAutoresizingMaskIntoConstraints = NO;
        _photoLabel.font = [UIFont systemFontOfSize:15.0];
        _photoLabel.textColor = kLightGray;
        [self.contentView addSubview:_photoLabel];
        
        NSLayoutConstraint *contentTop = [NSLayoutConstraint constraintWithItem:_photoLabel attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.photoButton attribute:NSLayoutAttributeBottom multiplier:1.0 constant:0];
        [self.contentView addConstraint:contentTop];
        
        NSLayoutConstraint *contentLeft = [NSLayoutConstraint constraintWithItem:_photoLabel attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeLeft multiplier:1.0 constant:20];
        [self.contentView addConstraint:contentLeft];
        
        NSLayoutConstraint *contentRight = [NSLayoutConstraint constraintWithItem:_photoLabel attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeRight multiplier:1.0 constant:-20];
        [self.contentView addConstraint:contentRight];
        
        NSLayoutConstraint *contentHeight = [NSLayoutConstraint constraintWithItem:_photoLabel attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:30];
        [self.contentView addConstraint:contentHeight];

    }
    return _photoLabel;
}


- (UIImageView *)backImageView1
{
    if (!_backImageView1) {
        _backImageView1 = [[UIImageView alloc] init];
        _backImageView1.userInteractionEnabled = YES;
        _backImageView1.translatesAutoresizingMaskIntoConstraints = NO;
        [self.contentView addSubview:_backImageView1];
        
        NSLayoutConstraint *contentTop = [NSLayoutConstraint constraintWithItem:_backImageView1 attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.photoLabel attribute:NSLayoutAttributeBottom multiplier:1.0 constant:0];
        [self.contentView addConstraint:contentTop];
        
        NSLayoutConstraint *contentLeft = [NSLayoutConstraint constraintWithItem:_backImageView1 attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeLeft multiplier:1.0 constant:20];
        [self.contentView addConstraint:contentLeft];
        
        NSLayoutConstraint *contentRight = [NSLayoutConstraint constraintWithItem:_backImageView1 attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeRight multiplier:1.0 constant:-20];
        [self.contentView addConstraint:contentRight];
        
        NSLayoutConstraint *contentHeight = [NSLayoutConstraint constraintWithItem:_backImageView1 attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:80];
        [self.contentView addConstraint:contentHeight];
        
        NSLayoutConstraint *contentBottom = [NSLayoutConstraint constraintWithItem:_backImageView1 attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeBottom multiplier:1.0 constant:-10];
        [self.contentView addConstraint:contentBottom];
    }
    return _backImageView1;
}
- (UITextView *)titleTextView
{
    if (!_titleTextView) {
        _titleTextView = [[UITextView alloc] init];
        _titleTextView.delegate = self;
        _titleTextView.font = [UIFont systemFontOfSize:15.0];
        _titleTextView.translatesAutoresizingMaskIntoConstraints = NO;
        [self.backImageView1 addSubview:_titleTextView];
        
        NSLayoutConstraint *contentTop = [NSLayoutConstraint constraintWithItem:_titleTextView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.backImageView1 attribute:NSLayoutAttributeTop multiplier:1.0 constant:1];
        [self.backImageView1 addConstraint:contentTop];
        
        NSLayoutConstraint *contentLeft = [NSLayoutConstraint constraintWithItem:_titleTextView attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.backImageView1 attribute:NSLayoutAttributeLeft multiplier:1.0 constant:1];
        [self.backImageView1 addConstraint:contentLeft];
        
        NSLayoutConstraint *contentRight = [NSLayoutConstraint constraintWithItem:_titleTextView attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.backImageView1 attribute:NSLayoutAttributeRight multiplier:1.0 constant:-1];
        [self.backImageView1 addConstraint:contentRight];
        
        NSLayoutConstraint *contentHeight = [NSLayoutConstraint constraintWithItem:_titleTextView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self.backImageView1 attribute:NSLayoutAttributeBottom multiplier:1.0 constant:-1];
        [self.backImageView1 addConstraint:contentHeight];
    }
    return _titleTextView;
}



- (UILabel *)placeholderLabel2
{
    if (!_placeholderLabel2) {
        _placeholderLabel2 = [[UILabel alloc] init];
        _placeholderLabel2.translatesAutoresizingMaskIntoConstraints = NO;
        _placeholderLabel2.font = [UIFont systemFontOfSize:15.0];
        _placeholderLabel2.textColor = kOnLineCellDetailColor;
        [self.titleTextView addSubview:_placeholderLabel2];
        
        NSLayoutConstraint *contentTop = [NSLayoutConstraint constraintWithItem:_placeholderLabel2 attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.titleTextView attribute:NSLayoutAttributeTop multiplier:1.0 constant:2];
        [self.titleTextView addConstraint:contentTop];
        
        NSLayoutConstraint *contentLeft = [NSLayoutConstraint constraintWithItem:_placeholderLabel2 attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.titleTextView attribute:NSLayoutAttributeLeft multiplier:1.0 constant:5];
        [self.titleTextView addConstraint:contentLeft];
        
        NSLayoutConstraint *contentRight = [NSLayoutConstraint constraintWithItem:_placeholderLabel2 attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.titleTextView attribute:NSLayoutAttributeRight multiplier:1.0 constant:0];
        [self.titleTextView addConstraint:contentRight];
        
        NSLayoutConstraint *contentHeight = [NSLayoutConstraint constraintWithItem:_placeholderLabel2 attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:30];
        [self.titleTextView addConstraint:contentHeight];
    }
    return _placeholderLabel2;
}


#pragma mark - UItextView
- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{
    if (![text isEqualToString:@""]) {
        self.placeholderLabel2.hidden = YES;
    }
    
    if ([text isEqualToString:@""] && range.location == 0 && range.length == 1) {
        
        self.placeholderLabel2.hidden = NO;
    }
    
    if ([text isEqualToString:@"\n"]) {
        [self.titleTextView resignFirstResponder];
        
        if (textView.text.length != 0) {
            self.placeholderLabel2.hidden = YES;
        } else {
            self.placeholderLabel2.hidden = NO;
        }
        return NO;
    }
    
    return YES;
}

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

    // Configure the view for the selected state
}

@end