工具others

+ (void)setExtraCellLineHidden:(UITableView *)tableView
{
    UIView *view = [[UIView alloc] init];
    view.backgroundColor = [UIColor clearColor];
    [tableView setTableFooterView:view];
}

+ (void)setSettingTableViewStyle:(UITableView *)tableView
{
    CGRect frame = tableView.bounds;
    frame.origin.y = -frame.size.height;
    UIView *boundsView = [[UIView alloc] initWithFrame:frame];
    CGFloat value = 242.0 / 255;
    boundsView.backgroundColor = [UIColor colorWithRed:value green:value blue:value alpha:1];
    [tableView addSubview:boundsView];
    if (!iOS7) {
        tableView.backgroundView = nil;
    }
}

+ (UIImageView *)loadImageViewWithURL:(NSString *)url imageViewFrame:(CGRect)frame superView:(UIView *)view
{
    UIImageView *imageView = [self loadImageViewWithURL:url imageViewFrame:frame superView:view contentMode:UIViewContentModeScaleAspectFill];
    return imageView;
}

+ (UIImageView *)loadImageViewWithURL:(NSString *)url imageViewFrame:(CGRect)frame superView:(UIView *)view contentMode:(UIViewContentMode)contentMode
{
    UIImageView *imageView = [[UIImageView alloc] initWithFrame:frame];
    imageView.contentMode = contentMode;
    imageView.clipsToBounds = YES;
    
    [self setImageWithURL:url imageView:imageView];
    
    [view addSubview:imageView];
    return imageView;
}

+ (void)setImageWithURL:(NSString *)url imageView:(UIImageView *)imageView contentMode:(UIViewContentMode)contentMode
{
    imageView.contentMode = contentMode;
    imageView.clipsToBounds = YES;
    
    [self setImageWithURL:url imageView:imageView];
}

+ (void)setImageWithURL:(NSString *)url imageView:(UIImageView *)imageView
{
    NSString *imageURL;
    if (url && url.length > 0) {
        // 设置尺寸
        NSArray *sizeArray = @[@64, @128, @256, @512, @768, @1024];
        NSUInteger realWidth = (NSUInteger)CGRectGetWidth(imageView.frame) * 2;
        NSUInteger fitWidth = 0;
        for (NSNumber *number in sizeArray) {
            NSUInteger width = [number unsignedIntegerValue];
            if (width >= realWidth) {
                fitWidth = width;
                break;
            }
        }
        
        NSString *fileName = [url stringByDeletingPathExtension];
        NSString *fileExtension = [url pathExtension];
        if (fitWidth == 0) {
            imageURL = [NSString stringWithFormat:@"%@%@.%@", kImageURL, fileName, fileExtension];
        } else {
            imageURL = [NSString stringWithFormat:@"%@%@_%i.%@", kImageURL, fileName, fitWidth, fileExtension];
        }
    }
    NSLog(@"%@", imageURL);
    [imageView setImageWithURL:[NSURL URLWithString:imageURL] placeholderImage:[UIImage imageNamed:@"placeholder"]];
}

/**
 *  修改App颜色
 *
 *  @param color 颜色
 */
+ (void)setAppColor:(UIColor *)color
{
    [Singleton shareInstance].backgroundColor = color;
    
    [[AppDelegate shareDelegate] changeAppColor];
}

/**
 *  获取App颜色
 *
 *  @return App颜色
 */
+ (UIColor *)getAppColor
{
    UIColor *color;
    if ([AppDelegate shareDelegate].frontNavigationController) { // 从数据库读取
        color = [StyleColorModel getCurrentColor];
    } else { // 未登录则用默认的
        color = [UIColor colorWithRed:0.2118 green:0.3294 blue:0.6196 alpha:1.0000];
    }
    
    return color;
}

/**
 *  用颜色创建图片
 *
 *  @param color 图片颜色
 *  @param size  图片尺寸
 *
 *  @return 图片
 */
+ (UIImage *)imageWithColor:(UIColor *)color size:(CGSize)size
{
    //Create a context of the appropriate size
    UIGraphicsBeginImageContext(size);
    CGContextRef currentContext = UIGraphicsGetCurrentContext();
    
    //Build a rect of appropriate size at origin 0,0
    CGRect fillRect = CGRectMake(0,0,size.width,size.height);
    
    //Set the fill color
    CGContextSetFillColorWithColor(currentContext, color.CGColor);
    
    //Fill the color
    CGContextFillRect(currentContext, fillRect);
    
    //Snap the picture and close the context
    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    return image;
}

#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)

#define kScreenWidth CGRectGetWidth([UIScreen mainScreen].bounds)
#define kScreenHeight CGRectGetHeight([UIScreen mainScreen].bounds)

#define iOS7 [[[UIDevice currentDevice]systemVersion] floatValue] >= 7.0