UITableViewCell子类

Question

我有这段代码:

if (cell == nil)
{
    CGRect cellFrame = CGRectMake(0,0,300,250);
    cell = [[UITableViewCell alloc] initWithFrame:cellFrame
            reuseIdentifier:CellTableIndetifier];

    CGRect nameLabelRect = CGRectMake(0, 5, 70, 20);
    UILabel* nameLabel = [[UILabel alloc] initWithFrame:nameLabelRect];
    nameLabel.textAlignment = NSTextAlignmentCenter;
    nameLabel.text = @"Name";
    nameLabel.font = [UIFont boldSystemFontOfSize:12];
    [cell.contentView addSubview: nameLabel];

    CGRect colorLabelRect = CGRectMake(0, 25, 70, 20);
    UILabel* colorLabel = [[UILabel alloc] initWithFrame:colorLabelRect];
    colorLabel.textAlignment = NSTextAlignmentCenter;
    colorLabel.text = @"Color";
    colorLabel.font = [UIFont boldSystemFontOfSize:12];
    [cell.contentView addSubview: colorLabel];

    CGRect priceLabelRect = CGRectMake(0, 45, 70, 20);
    UILabel *priceLabel = [[UILabel alloc] initWithFrame:priceLabelRect];
    priceLabel.text = @"Price";
    priceLabel.textAlignment = NSTextAlignmentCenter;
    colorLabel.font = [UIFont boldSystemFontOfSize:12];
    [cell.contentView addSubview:priceLabel];

    CGRect nameValueRect = CGRectMake(80, 5, 200, 20);
    UILabel* nameValue = [[UILabel alloc] initWithFrame: nameValueRect];
    nameValue.tag = kNameValueTag;
    [cell.contentView addSubview:nameValue];

    CGRect colorValueRect = CGRectMake(80, 25, 200, 20);
    UILabel* colorValue = [[UILabel alloc] initWithFrame:colorValueRect];
    colorValue.tag = kColorValueTag;
    [cell.contentView addSubview:colorValue];

    CGRect priceValueRect = CGRectMake(80, 45, 200, 20);
    UILabel *priceValue = [[UILabel alloc] initWithFrame:priceValueRect];
    priceValue.tag = kPriceValueTag;
    [cell.contentView addSubview:priceValue];
}

我想把它变成一个子类,所以我不必编写所有这些行,我只是说cell = CustomCell并且它在子类中完成所有操作.

Answer 1

这是UITableCellView的子类的基本代码:

#import <UIKit/UIKit.h>

@interface CustomCell : UITableViewCell
{
}
@end


-----------------------------------------------------------


#import "CustomCell.h"

@implementation CustomCell


- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        // Initialization code
    }
    return self;
}

-(void)layoutSubviews{
    [super layoutSubviews];
}

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

    // Configure the view for the selected state
}*/

@end

如果您创建类型的新文件Objective-C Class并UITableViewCell在字段中指定,则会自动生成它subclass of