iOS 修改 TableView 的 delete 按钮

-(void)willTransitionToState:(UITableViewCellStateMask)state ,发现iOS7 以前的方法不管用了

iOS7 下

在自定义cell里重写

-(void)willTransitionToState:(UITableViewCellStateMask)state{

    [super willTransitionToState:state];

    if((state & UITableViewCellStateShowingDeleteConfirmationMask) == UITableViewCellStateShowingDeleteConfirmationMask){

//        [self recurseAndReplaceSubViewIfDeleteConfirmationControl:self.subviews];

        [self performSelector:@selector(recurseAndReplaceSubViewIfDeleteConfirmationControl:) withObject:self.subviews afterDelay:0];

    }

}

-(void)recurseAndReplaceSubViewIfDeleteConfirmationControl:(NSArray*)subviews{

    NSString *delete_button_name = @"delete";

    for (UIView *subview in subviews)

    {

        /**

         *  iOS 6 以前

         */

        if ([NSStringFromClass([subview class]) isEqualToString:@"UITableViewCellDeleteConfirmationControl"])

        {

            /**

             将添加一个视图来覆盖默认的控制使用的图像有一个透明的背景

             */

            UIView *backgroundCoverDefaultControl = [[UIView alloc] initWithFrame:CGRectMake(0,0, 64, 33)];

            [backgroundCoverDefaultControl setBackgroundColor:[UIColor whiteColor]];

            [[subview.subviews objectAtIndex:0] addSubview:backgroundCoverDefaultControl];

            UIImage *deleteImage = [UIImage imageNamed:delete_button_name];

            UIImageView *deleteBtn = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0,deleteImage.size.width, deleteImage.size.height)];

            [deleteBtn setImage:[UIImage imageNamed:delete_button_name]];

            [[subview.subviews objectAtIndex:0] addSubview:deleteBtn];

        }

        /**

         *  ios7

         */

        if ([NSStringFromClass([subview class]) isEqualToString:@"UITableViewCellDeleteConfirmationButton"])

        {

            UIButton *deleteButton = (UIButton *)subview;

            [deleteButton setImage:[UIImage imageNamed:delete_button_name] forState:UIControlStateNormal];

            [deleteButton setTitle:@"" forState:UIControlStateNormal];

            [deleteButton setBackgroundColor:[UIColor clearColor]];

            for(UIView* view in subview.subviews){

                if([view isKindOfClass:[UILabel class]]){

                    [view removeFromSuperview];

                }

            }

        }

        if ([NSStringFromClass([subview class]) isEqualToString:@"UITableViewCellDeleteConfirmationView"])

        {

            for(UIView* innerSubView in subview.subviews){

                if(![innerSubView isKindOfClass:[UIButton class]]){

                    [innerSubView removeFromSuperview];

                }

            }

        }

        if([subview.subviews count]>0){

            [self recurseAndReplaceSubViewIfDeleteConfirmationControl:subview.subviews];

        }

    }

}