JSJP_School/LN_School/UI_Formatter&Function.m

//
//  UI_Formatter&Function.m
//  LN_School
//
//  Created by apple on 2017/4/5.
//  Copyright © 2017年 Danson. All rights reserved.
//

#import "UI_Formatter&Function.h"

@implementation UI_Formatter_Function

@end

//字体
@implementation UIFont(scale)
+(id)scaleSize:(CGFloat)font
{
    return [UIFont systemFontOfSize:font*kSize.width / 414.0];
}
@end


//UIButton
@implementation UIButton(formatter)

- (void) setImage:(UIImage *)image withTitle:(NSString *)title textColor:(UIColor*)color Font:(CGFloat)font forState:(UIControlState)stateType{
    [self.titleLabel setContentMode:UIViewContentModeCenter];
    [self.titleLabel setBackgroundColor:[UIColor clearColor]];
    [self setTitleColor:color forState:stateType];
    [self setTitle:title forState:stateType];
    [self.titleLabel setFont:[UIFont scaleSize:font]];
    
    [self setImage:image forState:stateType];
    [self.imageView setContentMode:UIViewContentModeScaleAspectFit];
}

-(void) setTitle:(NSString*)title textColor:(UIColor*)color font:(CGFloat)font fotState:(UIControlState)stateType
{
    [self setTitle:title forState:stateType];
    [self setTitleColor:color forState:stateType];
    [self.titleLabel setFont:[UIFont scaleSize:font]];
}

-(void)setTitleNormal:(NSString*)title
{
    [self setTitle:title forState:UIControlStateNormal];
}
-(void)setTitleSelect:(NSString*)title
{
    [self setTitle:title forState:UIControlStateSelected];
}

-(void)target:(id)obj
{
    [self addTarget:obj action:NSSelectorFromString(@"btnClick:") forControlEvents:UIControlEventTouchUpInside];
}

-(void)target:(id)obj Tag:(NSInteger)tag
{
    self.tag = tag;
    [self target:obj];
}

@end



@implementation NSString(ex)
- (NSString *)md5Encrypt
{
    const char *cStr = [self UTF8String];
    unsigned char result[16];
    CC_MD5( cStr, (unsigned int)strlen(cStr), result );
    NSString*  str = [NSString stringWithFormat:@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
                      result[0], result[1], result[2], result[3],
                      result[4], result[5], result[6], result[7],
                      result[8], result[9], result[10], result[11],
                      result[12], result[13], result[14], result[15]
                      ];
    str = [self toLower:str];
    return str;
}

-(NSString *)hourAndmm
{
    if (!self) {
        return @"";
    }
    int min = self.intValue;
    int hour = min/60;
    min %= 60;
    if (hour > 0) {
        return [NSString stringWithFormat:@"%d小时%d分钟",hour,min];
    }else{
        return [NSString stringWithFormat:@"%d分钟",min];
    }
}

-(NSString *)toLower:(NSString *)str
{
    for (NSInteger i=0; i<str.length; i++) {
        if ([str characterAtIndex:i]>='A'&[str characterAtIndex:i]<='Z') {
            //A  65  a  97
            char  temp=[str characterAtIndex:i]+32;
            NSRange range=NSMakeRange(i, 1);
            str=[str stringByReplacingCharactersInRange:range withString:[NSString stringWithFormat:@"%c",temp]];
        }
    }
    return str;
}


-(CGFloat)heightForWid:(CGFloat)wid Font:(CGFloat)fontSize
{
//    if (self.length == 0) {
//        return 0;
//    }
//    
//    //这个返回没有加行间距 NSStringDrawingUsesFontLeading  bylee
//    return  [self boundingRectWithSize:CGSizeMake(wid, MAXFLOAT)  options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName: [UIFont scaleSize:fontSize]} context:nil].size.height;
    
    if (self.length == 0) {
        return 0;
    }
    //NSStringDrawingUsesFontLeading这个参数是计算多行文本时用的参数
    CGRect rect =  [self boundingRectWithSize:CGSizeMake(wid, MAXFLOAT)  options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName: [UIFont systemFontOfSize:fontSize]} context:nil];
    
    //由于计算出来的值比实际需要的值略小，故需要对其向上取整
    double height = ceil(rect.size.height);
    return height;
    
}
-(CGFloat)widthForFont:(CGFloat)fontSize
{
    return  [self boundingRectWithSize:CGSizeMake(MAXFLOAT, 20)  options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName: [UIFont scaleSize:fontSize]} context:nil].size.width;
}

-(CGSize)sizeForFont:(CGFloat)fontSize
{
    if (self.length < 1) {
        return CGSizeMake(20, 20);
    }
    
    return  [self boundingRectWithSize:CGSizeMake(MAXFLOAT, 20)  options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName: [UIFont scaleSize:fontSize]} context:nil].size;
}

@end


@implementation UILabel(formatter)

-(void)setFont:(CGFloat)font TextColor:(UIColor*)color
{
    [self setFont:[UIFont scaleSize:font]];
    [self setTextColor:color];
}

-(void)setText:(NSString*)text Font:(CGFloat)font TextColor:(UIColor*)color
{
    [self setText:text];
    [self setFont:[UIFont scaleSize:font]];
    [self setTextColor:color];
}

-(void)setText:(NSString*)text Font:(CGFloat)font TextColor:(UIColor*)color Alignment:(NSTextAlignment)align
{
    [self setText:text Font:font TextColor:color];
    [self setTextAlignment:align];
}

@end


@implementation UIImageView(formatter)

- (void)setModeAspectFill {
    self.contentMode = UIViewContentModeScaleAspectFill;
    self.layer.masksToBounds = YES;
}

@end


@implementation UIImage(formatter)

-(UIImage *)reduceImage:(UIImage *)image percent:(float)percent
{
    NSData *imageData = UIImageJPEGRepresentation(image, percent);
    UIImage *newImage = [UIImage imageWithData:imageData];
    return newImage;
}
//压缩图片尺寸
- (UIImage*)scaledToSize:(CGSize)newSize
{
    //首先要找到缩放比？
    CGFloat rate =newSize.width*1.0/ self.size.width ;
    if (self.size.height* rate > newSize.height) {
        //过长了。
        rate =newSize.height*1.0/ self.size.height ;
    }
    CGSize size = CGSizeMake(self.size.width*rate, self.size.height*rate);
    UIGraphicsBeginImageContext(size);
    [self drawInRect:CGRectMake(0,0,size.width,size.height)];
    UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return newImage;
}

- (UIImage*)scaledToWid:(CGFloat)width
{
    //首先要找到缩放比？
    CGFloat rate =width*1.0/ self.size.width ;
    if (self.size.height* rate > width) {
        //过长了。
        rate =width*1.0/ self.size.height ;
    }
    CGSize size = CGSizeMake(self.size.width*rate, self.size.height*rate);
    UIGraphicsBeginImageContext(size);
    [self drawInRect:CGRectMake(0,0,size.width,size.height)];
    UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return newImage;
}

/**
 *  修改图片的大小
 */
-(UIImage*)originImageScaleToSize:(CGSize)size
{
    UIGraphicsBeginImageContext(size);  //size 为CGSize类型，即你所需要的图片尺寸
    
    [self drawInRect:CGRectMake(0, 0, size.width, size.height)];
    
    UIImage* scaledImage = UIGraphicsGetImageFromCurrentImageContext();
    
    UIGraphicsEndImageContext();
    
    return scaledImage;   //返回的就是已经改变的图片
}

#pragma mark -  改变照片颜色
// Tint: Color
-(UIImage*)tint:(UIColor*)color {
    return [self rt_tintedImageWithColor:color level:1.0f];
}

// Tint: Color + level
-(UIImage*)rt_tintedImageWithColor:(UIColor*)color level:(CGFloat)level {
    CGRect rect = CGRectMake(0.0f, 0.0f, self.size.width, self.size.height);
    return [self rt_tintedImageWithColor:color rect:rect level:level];
}

// Tint: Color + Rect
-(UIImage*)rt_tintedImageWithColor:(UIColor*)color rect:(CGRect)rect {
    return [self rt_tintedImageWithColor:color rect:rect level:1.0f];
}

// Tint: Color + Rect + level
-(UIImage*)rt_tintedImageWithColor:(UIColor*)color rect:(CGRect)rect level:(CGFloat)level {
    CGRect imageRect = CGRectMake(0.0f, 0.0f, self.size.width, self.size.height);
    
    UIGraphicsBeginImageContextWithOptions(imageRect.size, NO, self.scale);
    CGContextRef ctx = UIGraphicsGetCurrentContext();
    
    [self drawInRect:imageRect];
    
    CGContextSetFillColorWithColor(ctx, [color CGColor]);
    CGContextSetAlpha(ctx, level);
    CGContextSetBlendMode(ctx, kCGBlendModeSourceAtop);
    CGContextFillRect(ctx, rect);
    
    CGImageRef imageRef = CGBitmapContextCreateImage(ctx);
    UIImage *darkImage = [UIImage imageWithCGImage:imageRef
                                             scale:self.scale
                                       orientation:self.imageOrientation];
    CGImageRelease(imageRef);
    
    UIGraphicsEndImageContext();
    
    return darkImage;
}

- (UIImage *)scaledAndCutToSize:(CGSize)newSize{
    
    //首先要找到缩放比 按短的适配 长的部分裁减掉
    CGFloat rate =newSize.width*1.0/ self.size.width;
    if (self.size.height* rate < newSize.height) {
        //过长了。
        rate =newSize.height*1.0/ self.size.height ;
    }
    CGSize size = CGSizeMake(self.size.width*rate, self.size.height*rate);
    
    UIGraphicsBeginImageContext(size);
    
    [self drawInRect:CGRectMake(0,0,size.width,size.height)];
    // Get the new image from the context
    UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
    
    // End the context
    UIGraphicsEndImageContext();
    // Return the new image.
    return newImage;
}


@end


@implementation NSArray (formatter)

- (id)h_safeObjectAtIndex:(NSUInteger)index{
    
    if(self.count ==0) {
    
        return (nil);
    }
    
    if(index >MAX(self.count -1,0)) {
    
        return (nil);
    }
    
    return ([self objectAtIndex:index]);
}

@end


@implementation UIViewController(Navigation)

-(void)navPushHideTabbarToVC:(UIViewController*)vc
{
    self.tabBarController.tabBar.hidden = YES;
    [self.navigationController pushViewController:vc animated:YES];
}

-(void)goBackByNavigation{
    UIBarButtonItem* backBbi = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back"] style:UIBarButtonItemStylePlain target:self action:@selector(goBackByNav)];
    [backBbi setTintColor:UIColor.whiteColor];
    [self.navigationItem setLeftBarButtonItem:backBbi];
    self.navigationController.navigationBar.translucent = NO;
}
-(void)goBackByNav{
    
    [self.view endEditing:1];
    [self.navigationController popViewControllerAnimated:YES];
}

//回到导航控制器的首视图
-(void)goBackFirstVCByNavigation{
    UIBarButtonItem* backBbi = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back"] style:UIBarButtonItemStylePlain target:self action:@selector(goBackFirstVCByNav)];
    [backBbi setTintColor:RQMianColor];
    [self.navigationItem setLeftBarButtonItem:backBbi];
    self.navigationController.navigationBar.translucent = NO;
}
-(void)goBackFirstVCByNav{
    
    [self.view endEditing:1];
    UIViewController *vc = [self.navigationController.viewControllers firstObject];
    [self.navigationController popToViewController:vc animated:YES];
    //[self.navigationController popToRootViewControllerAnimated:YES];
}


-(void)goBackByNavDismiss
{
    UIBarButtonItem* backBbi = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back"] style:UIBarButtonItemStylePlain target:self action:@selector(dismissNav)];
    [backBbi setTintColor:RQMianColor];
    self.navigationController.navigationBar.translucent = NO;
    [self.navigationItem setLeftBarButtonItem:backBbi];
}
-(void)dismissNav
{
    [self.view endEditing:YES];
    [self.navigationController dismissViewControllerAnimated:NO completion:nil];
}

-(void)configNavigationBarPopRoot{
    UIBarButtonItem* backBbi = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back"] style:UIBarButtonItemStylePlain target:self action:@selector(gotoRoot)];
    [backBbi setTintColor:RQMianColor];
    [self.navigationItem setLeftBarButtonItem:backBbi];
}

-(void)gotoRoot{
    [self.navigationController popToRootViewControllerAnimated:YES];
}

@end


@implementation NSNumber (formatter)

+ (NSString *)stringValue {
    return [NSString stringWithFormat:@"%@",self];
}

@end