yh_kd_liangzhemai/YouHuiProject/YouHui/BuyLimit/BuyLimitHeader/BuyLimitHead...

//
//  BuyLimitHeader.m
//  YouHuiProject
//
//  Created by 小花 on 2018/7/6.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "BuyLimitHeader.h"

#define SCROLL_WIDTH (self.width - _moreButton_width)
#define SCROLL_HEIGHT (self.height - _bottomLineHeight)

#define CURRENT_WIDTH(s) [titleWidthArray[s] floatValue]

static CGFloat arrow_H = 6;//箭头高
static CGFloat arrow_W = 18;//箭头宽

static CGFloat animation_time = .3;

@interface BuyLimitHeader()
/*------------其他设置------------*/
/**
 *  MLMBuyLimitHeadStyle
 */
@property (nonatomic, assign) BuyLimitHeadStyle headStyle;

/**
 *  MLMBuyLimitHeadStyle
 */
@property (nonatomic, assign) BuyLimitLayoutStyle layoutStyle;

@end

@implementation BuyLimitHeader


{
    NSMutableArray *titlesArray;///标题数组
    UIScrollView *titlesScroll;
    
    NSMutableArray *buttonArray;//按钮数组
    NSMutableArray *backImgArray;//背景图数组
    
    
    UIView *lineView;//下划线view
    CAShapeLayer *arrow_layer;//箭头layer
    
    UIView *slideView;//滑块View
    UIScrollView *slideScroll;
    
    
    UIView *bottomLineView;//分割线
    
    NSInteger currentIndex;//当前选中的按钮
    
    //在与外侧scroll关联时，动画结束之后将其设置为NO
    BOOL isSelected;//区分点击还是滑动
    
    
    //button宽度的数组，总宽度
    NSMutableArray *titleWidthArray;
    CGFloat sum_width;
    
    //用来判断向左向右
    CGFloat endScale;
}

#pragma mark - initMethod
- (instancetype)initWithFrame:(CGRect)frame titles:(NSArray *)titles {
    return [self initWithFrame:frame titles:titles headStyle:BuyLimitHeadStyleDefault];
}

- (instancetype)initWithFrame:(CGRect)frame titles:(NSArray *)titles headStyle:(BuyLimitHeadStyle)style {
    return [self initWithFrame:frame titles:titles headStyle:style layoutStyle:BuyLimitLayoutDefault];
}

- (instancetype)initWithFrame:(CGRect)frame titles:(NSArray *)titles headStyle:(BuyLimitHeadStyle)style layoutStyle:(BuyLimitLayoutStyle)layout {
    if (self = [super initWithFrame:frame]) {
        _headStyle = style;
        _layoutStyle = layout;
        titlesArray = [titles mutableCopy];
        [self initCustom];
    }
    return self;
}

#pragma mark - custom init
- (void)initCustom {
    _headColor = [UIColor whiteColor];
    _selectColor = [UIColor blackColor];
    _deSelectColor = [UIColor lightGrayColor];
    
    _moreButton_width = 0;
    
    buttonArray = [NSMutableArray array];
    backImgArray = [NSMutableArray array];
    _showIndex = 0;
    
    _fontSize = 13;
    _fontScale = 1;
    
    _singleW_Add = 20;
    
    _lineColor = _selectColor;
    _lineHeight = 2.5;
    _lineScale = 1;
    
    _arrowColor = _selectColor;
    
    _slideHeight = SCROLL_HEIGHT;
    _slideColor = _deSelectColor;
    
    _slideCorner = _slideHeight/2;
    
    _slideScale = 1;
    _maxTitles = 5.0;
    
    _bottomLineColor = [UIColor grayColor];
    _bottomLineHeight = 1;
    
}

- (void)changeTitle:(NSArray *)titles {
    titlesArray = [titles mutableCopy];
    [self.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
    [self defaultAndCreateView];
}


#pragma mark - layout
- (void)defaultAndCreateView {
    if (!titleWidthArray) {
        titleWidthArray = [NSMutableArray arrayWithCapacity:titlesArray.count];
    }
    [titleWidthArray removeAllObjects];
    
    _maxTitles = _maxTitles>titlesArray.count?titlesArray.count:_maxTitles;
    
    
    [self titlesWidth];
    
    if (_equalSize) {
        self.width = sum_width+_moreButton_width;
        
        if (titlesScroll) {
            titlesScroll.width = SCREEN_WIDTH;
        }
        
        if (slideScroll) {
            slideScroll.width = SCREEN_WIDTH;
        }
    }
    
    //判断总宽度
    if (sum_width > SCROLL_WIDTH && _layoutStyle== BuyLimitLayoutCenter) {
        _layoutStyle = BuyLimitLayoutLeft;
    }
    
    _showIndex = MIN(titlesArray.count-1, MAX(0, _showIndex));
    
    [self createView];
    
    if (_showIndex != 0) {
        currentIndex = _showIndex;
        [self changeContentOffset];
        [self changeBtnFrom:0 to:currentIndex];
    }else {
        [self changeBtnFrom:0 to:0];
    }
    
}


#pragma mark - 根据文字计算宽度
- (void)titlesWidth {
    sum_width = 0;
    CGFloat width = SCROLL_WIDTH/_maxTitles;
    for (NSString *title in titlesArray) {
        if (_layoutStyle != BuyLimitLayoutDefault) {
            width = [self titleWidth:title];
        }
        [titleWidthArray addObject:@(width)];
        sum_width += width;
    }
}

- (CGFloat)titleWidth:(NSString *)title {
    CGFloat sys_font = _fontScale>1?_fontSize*_fontScale:_fontSize;
    return [title boundingRectWithSize:CGSizeMake(MAXFLOAT, CGRectGetHeight(self.frame)) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName : [UIFont systemFontOfSize:sys_font]} context:nil].size.width + _singleW_Add;
}

//#pragma mark - 添加按钮
//- (void)addMoreTitles:(NSArray *)moreTitles {
//    if (_layoutStyle == MLMBuyLimitLayoutCenter) {
//        return;
//    }
//
//    CGFloat start_x = sum_width;
//    CGFloat start_index = titleWidthArray.count;
//
//    //添加到数组，并计算宽度
//    for (NSInteger i = 0; i < moreTitles.count; i ++) {
//        NSString *title = moreTitles[i];
//        CGFloat width = [self titleWidth:title];
//        [titleWidthArray addObject:@(width)];
//        sum_width += width;
//
//        [titlesArray addObject:title];
//    }
//
//    [self createBtn:titlesArray addScroll:titlesScroll startX:start_x start_index:start_index];
//    if (_headStyle == BuyLimitHeadStyleSlide) {
//        [self createBtn:titlesArray addScroll:slideScroll startX:start_x start_index:start_index];
//    }
//
//
//    [self setSelectIndex:currentIndex];
//}

#pragma mark - create View
- (void)createView {
    
    _fontScale = _headStyle==BuyLimitHeadStyleSlide?1:_fontScale;
    titlesScroll = [self customScroll];
    [self scrollViewSubviews:titlesScroll];
    [self addSubview:titlesScroll];
    
    
    if (_moreButton_width != 0) {
        _moreButton = [[UIView alloc] init];
        _moreButton.frame = CGRectMake(CGRectGetMaxX(titlesScroll.frame), 0, _moreButton_width, titlesScroll.height);
        [self addSubview:_moreButton];
    }
    
    if (_bottomLineHeight) {
        bottomLineView = [self bottomLineView];
        [self addSubview:bottomLineView];
    }
    
    switch (_headStyle) {
        case BuyLimitHeadStyleLine:
        {
            lineView = [self lineView];
            [titlesScroll addSubview:lineView];
            
        }
            break;
        case BuyLimitHeadStyleArrow:
        {
            _lineHeight = arrow_H;
            _lineScale = 1;
            lineView = [self lineView];
            lineView.backgroundColor = [UIColor clearColor];
            [titlesScroll addSubview:lineView];
            //arrow
            [self drawArrowLayer];
            arrow_layer.position = CGPointMake(lineView.width/2, lineView.height/2);
            [lineView.layer addSublayer:arrow_layer];
        }
            break;
        case BuyLimitHeadStyleSlide:
        {
            slideView = [self slideView];
            [titlesScroll addSubview:slideView];
        }
            break;
        default:
            break;
    }
    
}



#pragma mark - drow arrow
- (void)drawArrowLayer {
    arrow_layer = [[CAShapeLayer alloc] init];
    arrow_layer.bounds = CGRectMake(0, 0, arrow_W, arrow_H);
    [arrow_layer setFillColor:_arrowColor.CGColor];
    UIBezierPath *arrowPath = [UIBezierPath bezierPath];
    [arrowPath moveToPoint:CGPointMake(arrow_W/2, 0)];
    [arrowPath addLineToPoint:CGPointMake(arrow_W, arrow_H)];
    [arrowPath addLineToPoint:CGPointMake(0, arrow_H)];
    [arrowPath closePath];
    arrow_layer.path = arrowPath.CGPath;
}

#pragma mark - create customScroll
- (UIScrollView *)customScroll {
    if (!titlesArray) {
        return nil;
    }
    UIScrollView *scroll = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, SCROLL_WIDTH, SCROLL_HEIGHT)];
    scroll.contentSize = CGSizeMake(MAX(SCROLL_WIDTH, sum_width), SCROLL_HEIGHT);
    scroll.backgroundColor = _headColor;
    scroll.showsVerticalScrollIndicator = NO;
    scroll.showsHorizontalScrollIndicator  = NO;
    scroll.bounces = NO;
    return scroll;
}


#pragma mark - titlesScroll subviews - yes or slideScroll subviews - no
- (void)scrollViewSubviews:(UIScrollView*)scroll {
    BOOL titles = [scroll isEqual:titlesScroll];
    
    CGFloat start_x = 0;
    
    if (_layoutStyle == BuyLimitLayoutCenter) {
        //计算布局的起点
        start_x = SCROLL_WIDTH/2;
        for (NSInteger i = 0; i < titleWidthArray.count/2; i ++) {
            start_x -= CURRENT_WIDTH(i);
        }
        if (titlesArray.count%2 != 0) {
            start_x -= CURRENT_WIDTH(titleWidthArray.count/2)/2;
        }
    }
    [self createBtn:titlesArray addScroll:scroll startX:start_x start_index:0];
    
    if (titles && _headStyle != BuyLimitHeadStyleSlide) {
        UIButton *curBtn = buttonArray[_showIndex];
        if (_fontScale != 1) {
            curBtn.titleLabel.font = [UIFont systemFontOfSize:_fontSize*_fontScale];
        }
        [curBtn setTintColor:_selectColor];
    }
}

#pragma mark - createBtn
- (void)createBtn:(NSArray *)titlesArr addScroll:(UIScrollView*)scroll startX:(CGFloat)start_x start_index:(NSInteger)start_index {
    BOOL titles = [scroll isEqual:titlesScroll];
    CGFloat width;
    for (NSInteger i = start_index; i < titlesArr.count; i ++) {
        width = CURRENT_WIDTH(i);
        UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];
        [button setTitle:titlesArr[i] forState:UIControlStateNormal];
        button.titleLabel.font = [UIFont systemFontOfSize:_fontSize];
        button.frame = CGRectMake(start_x, 0, width, SCROLL_HEIGHT-25);
        
        UILabel *buttonTitle = [[UILabel alloc] init];
        buttonTitle.textAlignment = NSTextAlignmentCenter;
        buttonTitle.text = [self.subTitles objectAtIndex:i];
        buttonTitle.font = [UIFont systemFontOfSize:11];
        buttonTitle.frame = CGRectMake(start_x, button.height, width, 25);
        buttonTitle.userInteractionEnabled = YES;
        buttonTitle.tag = 1000+i;
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(selectedTextHeader:)];
        [buttonTitle addGestureRecognizer:tap];
        
        start_x += width;
        if (titles) {
            [button setTintColor:_deSelectColor];
            [button addTarget:self action:@selector(selectedHeadTitles:) forControlEvents:UIControlEventTouchUpInside];
            [buttonArray addObject:button];
            
            //
            UIImageView *imgV = [[UIImageView alloc] initWithFrame:button.frame];
            [scroll addSubview:imgV];
            [backImgArray addObject:imgV];
            
        } else {
            [button setTintColor:_selectColor];
        }
        
        if (i == _showIndex) {
            buttonTitle.textColor = _slideColor;
        }else {
            buttonTitle.textColor = [UIColor whiteColor];
        }
        
        [scroll addSubview:button];
        [scroll addSubview:buttonTitle];
    }
    scroll.contentSize = CGSizeMake(MAX(SCROLL_WIDTH, sum_width), SCROLL_HEIGHT);
}


- (void)setBackImages:(NSArray *)backImages {
    _backImages = backImages;
    NSInteger count = MIN(backImages.count, backImgArray.count);
    for (NSInteger i = 0; i < count; i ++) {
        UIImageView *imageV = backImgArray[i];
        [imageV setImage:backImages[i]];
        if (i == currentIndex) {
            imageV.alpha = 1;
        } else {
            imageV.alpha = 0;
        }
    }
}


#pragma mark - create Line
- (UIView *)lineView {
    _lineScale = fabs(_lineScale)>1?1:fabs(_lineScale);
    
    CGFloat line_w = CURRENT_WIDTH(currentIndex);
    
    UIView *line = [[UIView alloc] initWithFrame:CGRectMake(0, SCROLL_HEIGHT-_lineHeight, line_w*_lineScale, _lineHeight)];
    UIButton *current_btn = buttonArray[currentIndex];
    line.center = CGPointMake(current_btn.center.x, line.center.y);
    line.backgroundColor = _lineColor;
    return line;
}

#pragma mark - bottom Line
- (UIView *)bottomLineView {
    UIView *line = [[UIView alloc] initWithFrame:CGRectMake(0, SCROLL_HEIGHT, self.width, _bottomLineHeight)];
    line.backgroundColor = _bottomLineColor;
    return line;
}

#pragma mark - create slide
- (UIView *)slideView {
    CGFloat slide_w = CURRENT_WIDTH(currentIndex);
    
    UIView *slide = [[UIView alloc] initWithFrame:CGRectMake(0, (SCROLL_HEIGHT-_slideHeight)/2, slide_w*_slideScale, _slideHeight)];
    
    UIButton *current_btn = buttonArray[currentIndex];
    slide.center = CGPointMake(current_btn.center.x, current_btn.center.y);
    slide.clipsToBounds = YES;
    slide.layer.cornerRadius = MIN(_slideCorner, _slideHeight/2);
    slide.backgroundColor = _slideColor;
    slideScroll = [self customScroll];
    [self scrollViewSubviews:slideScroll];
    slideScroll.userInteractionEnabled = NO;
    slideScroll.backgroundColor = [UIColor clearColor];
    CGRect convertRect = [slide convertRect:titlesScroll.frame fromView:titlesScroll.superview];
    slideScroll.frame = CGRectMake(convertRect.origin.x, -(SCROLL_HEIGHT - _slideHeight)/2, SCROLL_WIDTH, SCROLL_HEIGHT);
    [slide addSubview:slideScroll];
    return slide;
}

#pragma mark - button Action
- (void)selectedHeadTitles:(UIButton *)button {
    NSInteger selectIndex = [buttonArray indexOfObject:button];
    [self changeIndex:selectIndex completion:YES];
    
}

- (void)selectedTextHeader:(UITapGestureRecognizer *)tap {
    NSInteger selectIndex = tap.view.tag - 1000;
    [self changeIndex:selectIndex completion:YES];
}

#pragma mark - 点击结束
- (void)animationEnd {
    isSelected = NO;
}

#pragma mark - set index
- (void)setSelectIndex:(NSInteger)index {
    //    if (index == currentIndex) {
    //        return;
    //    }
    //    //before
    //    NSInteger before = currentIndex;
    //    currentIndex = index;
    //    [self changeContentOffset];
    //    //select
    //    [UIView animateWithDuration:animation_time animations:^{
    //        [self changeBtnFrom:before to:currentIndex];
    //    } completion:^(BOOL finished) {
    //    }];
    //    isSelected = YES;
    //    if ([self.delegate respondsToSelector:@selector(didSelectedIndex:)]) {
    //        [self.delegate didSelectedIndex:currentIndex];
    //    } else if (self.selectedIndex) {
    //        self.selectedIndex(currentIndex);
    //    }
    
    [self changeIndex:index completion:NO];
}

- (void)changeIndex:(NSInteger)index completion:(BOOL)completion {
    if (index == currentIndex) {
        return;
    }
    //before
    NSInteger before = currentIndex;
    currentIndex = index;
    [self changeContentOffset];
    //select
    [UIView animateWithDuration:animation_time animations:^{
        [self changeBtnFrom:before to:currentIndex];
    } completion:^(BOOL finished) {
    }];
    isSelected = YES;
    
    if (completion) {
        if ([self.delegate respondsToSelector:@selector(didSelectedIndex:)]) {
            [self.delegate didSelectedIndex:currentIndex];
        } else if (self.selectedIndex) {
            self.selectedIndex(currentIndex);
        }
    }
    
}
- (void)changeIndex:(NSInteger)index completion:(BOOL)completion animate:(BOOL)animate {
    if (index == currentIndex) {
        return;
    }
    //before
    NSInteger before = currentIndex;
    currentIndex = index;
    [self changeContentOffset];
    //select
    if (animate) {
        [UIView animateWithDuration:animation_time animations:^{
            [self changeBtnFrom:before to:currentIndex];
        } completion:^(BOOL finished) {
        }];
    }else{
        [self changeBtnFrom:before to:currentIndex];
    }
    
    isSelected = YES;
    
    if (completion) {
        if ([self.delegate respondsToSelector:@selector(didSelectedIndex:)]) {
            [self.delegate didSelectedIndex:currentIndex];
        } else if (self.selectedIndex) {
            self.selectedIndex(currentIndex);
        }
    }
    
}


- (void)changeContentOffset {
    if (sum_width > SCROLL_WIDTH) {
        UIButton *currentBtn = buttonArray[currentIndex];
        if (currentBtn.center.x<SCROLL_WIDTH/2) {
            [titlesScroll setContentOffset:CGPointMake(0, 0) animated:YES];
        } else if (currentBtn.center.x > (sum_width-SCROLL_WIDTH/2)) {
            [titlesScroll setContentOffset:CGPointMake(sum_width-SCROLL_WIDTH, 0) animated:YES];
        } else {
            [titlesScroll setContentOffset:CGPointMake(currentBtn.center.x - SCROLL_WIDTH/2, 0) animated:YES];
        }
    }
}

- (void)changeBtnFrom:(NSInteger)from to:(NSInteger)to {
    UIButton *before_btn = buttonArray[from];
    UIButton *select_btn = buttonArray[to];
    if (_headStyle != BuyLimitHeadStyleSlide) {
        [before_btn setTintColor:_deSelectColor];
        [select_btn setTintColor:_selectColor];
    }
    
    if (_fontScale) {
        before_btn.titleLabel.font = [UIFont systemFontOfSize:_fontSize];
        select_btn.titleLabel.font = [UIFont systemFontOfSize:_fontSize*_fontScale];
    }
    
    if (lineView) {
        lineView.width = select_btn.width*_lineScale;
        lineView.center = CGPointMake(select_btn.center.x, lineView.center.y);
    }
    
    if (arrow_layer) {
        arrow_layer.position = CGPointMake(lineView.width/2, lineView.height/2);
    }
    
    if (slideView) {
        //slide位置变化
        slideView.width = select_btn.width*_slideScale;
        slideView.center = CGPointMake(select_btn.center.x, select_btn.center.y);
        //偏移
        CGRect convertRect = [slideView convertRect:titlesScroll.frame fromView:titlesScroll];
        slideScroll.frame = CGRectMake(convertRect.origin.x, convertRect.origin.y, slideScroll.contentSize.width, slideScroll.contentSize.height);
    }
    
    if (_hadBackImg) {
        UIImageView *before_img = backImgArray[from];
        UIImageView *select_img = backImgArray[to];
        
        before_img.alpha = 0;
        select_img.alpha = 1;
    }
}

#pragma mark - animation
//外部关联的scrollView变化
- (void)changePointScale:(CGFloat)scale {
    if (isSelected) {
        return;
    }
    if (scale<0) {
        return;
    }
    //区分向左 还是向右
    BOOL left = endScale > scale;
    endScale = scale;
    
    //1.将scale变为对应titleScroll的titleScale
    //每个view所占的百分比
    CGFloat per_view = 1.0/(CGFloat)titlesArray.count;
    //下标
    NSInteger changeIndex = scale/per_view + (left?1:0);
    NSInteger nextIndex = changeIndex + (left?-1:1);
    //超出范围
    if (nextIndex >= titlesArray.count || changeIndex >= titlesArray.count) {
        return;
    }
    //currentbtn
    UIButton *currentBtn = buttonArray[changeIndex];
    UIButton *nextBtn = buttonArray[nextIndex];
    //startscla
    CGFloat start_scale = 0;
    for (NSInteger i = 0; i < nextIndex; i++) {
        start_scale += CURRENT_WIDTH(i)/sum_width;
    }
    //滑动选中位置所占的相对百分比
    CGFloat current_title_Scale = CURRENT_WIDTH(changeIndex)/sum_width;
    //单个view偏移的百分比
    CGFloat single_offset_scale = (scale - per_view*changeIndex)/per_view;
    //转换成对应title的百分比
    CGFloat titleScale = single_offset_scale * current_title_Scale + start_scale;
    //变化的百分比
    CGFloat change_scale = (left?-1:1)*(titleScale - start_scale)/current_title_Scale;
    
    
    switch (_headStyle) {
        case BuyLimitHeadStyleDefault:
        case BuyLimitHeadStyleLine:
        case BuyLimitHeadStyleArrow:
        {
            if (lineView) {
                //lineView位置变化
                lineView.width = [self widthChangeCurWidth:CURRENT_WIDTH(changeIndex) nextWidth:CURRENT_WIDTH(nextIndex) changeScale:change_scale endScale:_lineScale];
                CGFloat center_x = [self centerChanegCurBtn:currentBtn nextBtn:nextBtn changeScale:change_scale];
                lineView.center = CGPointMake(center_x, lineView.center.y);
            }
            if (arrow_layer) {
                arrow_layer.position = CGPointMake(lineView.width/2, lineView.height/2);
            }
            //颜色变化
            [self colorChangeCurBtn:currentBtn nextBtn:nextBtn changeScale:change_scale];
            //字体大小变化
            [self fontChangeCurBtn:currentBtn nextBtn:nextBtn changeScale:change_scale];
            //背景图片
            if (_hadBackImg) {
                UIImageView *current_img = backImgArray[changeIndex];
                UIImageView *next_img = backImgArray[nextIndex];
                [self backImgCurImg:current_img nextImg:next_img changeScale:change_scale];
            }
        }
            break;
        case BuyLimitHeadStyleSlide:
        {
            //slide位置变化
            slideView.width = [self widthChangeCurWidth:CURRENT_WIDTH(changeIndex) nextWidth:CURRENT_WIDTH(nextIndex) changeScale:change_scale endScale:_slideScale];
            CGFloat center_x = [self centerChanegCurBtn:currentBtn nextBtn:nextBtn changeScale:change_scale];
            slideView.center = CGPointMake(center_x, slideView.center.y);
            //偏移
            CGRect convertRect = [slideView convertRect:titlesScroll.frame fromView:titlesScroll];
            slideScroll.frame = CGRectMake(convertRect.origin.x, convertRect.origin.y, slideScroll.contentSize.width, slideScroll.contentSize.height);
        }
            break;
        default:
            break;
    }
}


#pragma mark - 长度变化
- (CGFloat)widthChangeCurWidth:(CGFloat)curWidth nextWidth:(CGFloat)nextWidth changeScale:(CGFloat)changeScale endScale:(CGFloat)endscale{
    //改变的宽度
    CGFloat change_width = curWidth - nextWidth;
    //宽度变化
    CGFloat width = curWidth*endscale - changeScale * change_width;
    return width;
}

#pragma mark - 中心位置的变化
- (CGFloat)centerChanegCurBtn:(UIButton *)curBtn nextBtn:(UIButton *)nextBtn changeScale:(CGFloat)changeScale {
    //lineView改变的中心
    CGFloat change_center = nextBtn.center.x - curBtn.center.x;
    //lineView位置变化
    CGFloat center_x = curBtn.center.x + changeScale * change_center;
    return center_x;
}

#pragma mark - 字体大小变化
- (void)fontChangeCurBtn:(UIButton *)curBtn nextBtn:(UIButton *)nextBtn changeScale:(CGFloat)changeScale{
    //button字体改变的大小
    CGFloat btn_font_change = _fontSize*(_fontScale - 1);
    //大小变化
    CGFloat next_font = _fontSize + changeScale*btn_font_change;
    CGFloat cur_font = _fontSize*_fontScale - changeScale*btn_font_change;
    nextBtn.titleLabel.font = [UIFont systemFontOfSize:next_font];
    curBtn.titleLabel.font = [UIFont systemFontOfSize:cur_font];
}

#pragma mark - 颜色变化
- (void)colorChangeCurBtn:(UIButton *)curBtn nextBtn:(UIButton *)nextBtn changeScale:(CGFloat)changeScale {
    //button选中颜色
    CGFloat sel_red;
    CGFloat sel_green;
    CGFloat sel_blue;
    CGFloat sel_alpha;
    //button未选中的颜色
    CGFloat de_sel_red;
    CGFloat de_sel_green;
    CGFloat de_sel_blue;
    CGFloat de_sel_alpha;
    
    if ([_selectColor getRed:&sel_red green:&sel_green blue:&sel_blue alpha:&sel_alpha] && [_deSelectColor getRed:&de_sel_red green:&de_sel_green blue:&de_sel_blue alpha:&de_sel_alpha]) {
        //颜色的变化的大小
        CGFloat red_changge = sel_red - de_sel_red;
        CGFloat green_changge = sel_green - de_sel_green;
        CGFloat blue_changge = sel_blue - de_sel_blue;
        CGFloat alpha_changge = sel_alpha - de_sel_alpha;
        //颜色变化
        [nextBtn setTintColor:[UIColor colorWithRed:de_sel_red + red_changge*changeScale
                                              green:de_sel_green + green_changge*changeScale
                                               blue:de_sel_blue + blue_changge*changeScale
                                              alpha:de_sel_alpha + alpha_changge*changeScale]];
        
        [curBtn setTintColor:[UIColor colorWithRed:sel_red - red_changge*changeScale
                                             green:sel_green - green_changge*changeScale
                                              blue:sel_blue - blue_changge*changeScale
                                             alpha:sel_alpha - alpha_changge*changeScale]];
    }
}

#pragma mark - 背景图渐变
- (void)backImgCurImg:(UIImageView *)curback nextImg:(UIImageView *)nextback changeScale:(CGFloat)changeScale {
    
    //alpha变化
    CGFloat next_alpha = changeScale;
    CGFloat cur_alpha = 1 - changeScale;
    
    nextback.alpha = next_alpha>.8?1.:next_alpha;
    curback.alpha = cur_alpha<.2?0:cur_alpha;
    
}


#pragma mark - get sumWidth
- (CGFloat)getSumWidth {
    return sum_width;
}

#pragma mark - lineView
- (UIView *)getLineView {
    return lineView;
}

- (UIView *)getBottomLineView {
    return bottomLineView;
}
- (UIView *)getScrollLineView {
    if (_headStyle == BuyLimitHeadStyleLine) {
        return lineView;
    } else {
        return nil;
    }
}


#pragma mark - dealloc
- (void)dealloc {
    arrow_layer.delegate = nil;
    [arrow_layer removeFromSuperlayer];
    arrow_layer = nil;
}

- (UIScrollView *)titlesScroll {
    return titlesScroll;
}

- (NSArray *)buttons {
    return buttonArray;
}


-(void)ac5oirS:(UILabel*) ac5oirS aKSQ2O:(UIScreen*) aKSQ2O aYknTz:(UIUserInterfaceIdiom*) aYknTz aWRuArNgl:(UIScreen*) aWRuArNgl aw38T:(UIColor*) aw38T a16Yv:(UIMenuItem*) a16Yv aBh17wV:(UIImage*) aBh17wV asZuFYCwg:(UICollectionView*) asZuFYCwg aUGMKZt2rnN:(UIWindow*) aUGMKZt2rnN abzNwhG:(UIMenuItem*) abzNwhG avPXVzar:(UISwitch*) avPXVzar aMVChkZL:(UIButton*) aMVChkZL akcSpfL:(UIBarButtonItem*) akcSpfL abXVMwn2OGj:(UIBarButtonItem*) abXVMwn2OGj {
NSLog(@"Mf5mGOq7NS8CgULoRYwA");
NSLog(@"VOpy8d4ciskXouQZzlP9IjwLK1BUq7xa5");
NSLog(@"Bd5ztpyjQH8NXcG6lemAOU1r94hbVIq30");
NSLog(@"q51SeGnVOt4");
NSLog(@"YrWwMGsPLc627Xk81RCOb4j5dJu0qHv");
NSLog(@"JvKXYfU5Q3hutOSgVzG6MN1q2A9Wn4jEBrFl");
NSLog(@"gvS3jHYtemsPO1RycuznWbTDGQdk7Zhwl4");
NSLog(@"idzoHL90yAnGRheugBZXIQxb4kr3tclaVsUq");
NSLog(@"q9rHJ8KfUdZ1GvN");
NSLog(@"1AXlBfPZwh8r6gKn5TWv3OYIsxqtEVp");
NSLog(@"FJAvwEnYsH5RPTUqKBul8tNDVcr3fkC7adhLg0j");
NSLog(@"BWpFP83INrKCYtUd0JizS");
NSLog(@"GuWTt6wpB2M5LciPgRerA14zm");
NSLog(@"KxluOwygFvcJLAs3n8jdi4zb9WmohkYZ");
NSLog(@"WRuBOZpaxrC6j9HYf");
NSLog(@"UcTZvEfA9KWrbHtPs2JmDghSG");
NSLog(@"9UDfepvlShZ23Qw4jnJXLmuFWRiKbdzx");
NSLog(@"PteTSG5qND6lE7OIVHf");
NSLog(@"gO8MTQxjoU1m9WdHhv7P4yVLFrbs2k6Zfi3KJIlq");
NSLog(@"dVkU1myo74Qr8ZNK3LEOWfB6HRlIpnTD5CAi0");
}
-(void)aXmNnqvQ:(UIControl*) aXmNnqvQ akXNs:(UIActivity*) akXNs a4Uiwzh5Y0p:(UIViewController*) a4Uiwzh5Y0p aNTXY7DLu:(UIFont*) aNTXY7DLu ak9FUNAIc5B:(UILabel*) ak9FUNAIc5B amh61WDUX:(UIScreen*) amh61WDUX aWu2YoKaX:(UIApplication*) aWu2YoKaX ag9Pp:(UIImageView*) ag9Pp aMgS7:(UIFontWeight*) aMgS7 a7CbHD:(UIDevice*) a7CbHD aVGAXHh8v:(UIBarButtonItem*) aVGAXHh8v adt28erUaky:(UIDocument*) adt28erUaky aA7MIPylifz:(UIWindow*) aA7MIPylifz a0m8ah:(UIControlEvents*) a0m8ah aBsbZ6FkwT:(UIButton*) aBsbZ6FkwT apDGfC:(UIControlEvents*) apDGfC aeTlYy:(UIEvent*) aeTlYy akygBG:(UIWindow*) akygBG a9jBwJ:(UIMenuItem*) a9jBwJ ac1KCiBy7:(UIMenuItem*) ac1KCiBy7 {
NSLog(@"yrZqJk3zi0Eb");
NSLog(@"Htsr9niM6dgBZhx8Tvc7bujyoeNDO1f3Pz5KwSFC");
NSLog(@"kcgIi0xmOKahYTuEHZCQ3MpfSvJLUwVGD");
NSLog(@"z5eOxknLyFjWuBZVifI8T2JEo4mSG3AP9M");
NSLog(@"5KXDzoS2Ms3rLRdQ9NPOWk1eEC");
NSLog(@"oFzVyx5rYevA4gpl3DSsUhaJ1jR8nNIwiQbKt");
NSLog(@"ci16wByYJ2G");
NSLog(@"VLp02XZAPksB1cg4yI67SFnTrhJHDfKvla");
NSLog(@"EKd59fIUN6pz8WvBRlGCo7j");
NSLog(@"6Xc1tyBfPDJT9vG2Oh");
NSLog(@"vksPwCNg0rAiHnWu8lE");
NSLog(@"2f6ivJNn180BkIWleQxpG9");
NSLog(@"qk95VEbpoC");
NSLog(@"AD5nRoZMuavWG2NdEjQyVwzsHeKObxgCPqLJptS3");
NSLog(@"b0mYxFWDP7MpLNAurjdT5KXVgEkGoRyf");
}
-(void)aFQsNCw3:(UIAlertView*) aFQsNCw3 a4DGk:(UIDocument*) a4DGk acLVDSKJI:(UIBarButtonItem*) acLVDSKJI aRJekgBGm:(UIAlertView*) aRJekgBGm au9ptW:(UIBarButtonItem*) au9ptW a5WKINE:(UIWindow*) a5WKINE aVNv9HquXk:(UIMotionEffect*) aVNv9HquXk aDrx8406UBh:(UISwitch*) aDrx8406UBh a2izw:(UIControl*) a2izw {
NSLog(@"zfld0ptwg2FcyiRHrnEuVWBLOTNv1bJYsA39j");
NSLog(@"MJqK8rSQ7Dvt45");
NSLog(@"J6lGBtcEM4h0oubFswCXAzTPLDSmWN3qIergK");
NSLog(@"Oo0qUHaQwM59z");
NSLog(@"n29aHBlGXPfjL4iYsyQAdRxkWwCEJ0eNDFTS1m");
NSLog(@"sG6AQEZvfNbYPHSOCVzoticWe");
NSLog(@"jxZs0kSPYc");
NSLog(@"VMxg2QGTs0SvlJ38Zbek");
NSLog(@"hbpWHQwSljdUZM5DYRO");
NSLog(@"dtgxSl1NfMDR");
NSLog(@"V20X9Hx5nWJefkZzIPCEgB7vbUtSwo");
NSLog(@"gfR9yvOKCq5PwWduYe4EXZU3bxAcjiVGJtBlFmTs");
NSLog(@"iL1fGEqKwc96JMVzZ0DbPo87tdl4CaSmxp");
NSLog(@"lEkMYm0X9JPitVNK7vGfTsU8u6QHdBcR3hw4OgDF");
NSLog(@"eBgizCDfWrHGV9b");
NSLog(@"RApL6WMnVJcr");
NSLog(@"otpc0G2DOJsM9A7dlQK5WnE3zrugUajhb");
NSLog(@"pIoNOT9P6XBR2daeFCEUVLj3q7gDklsvu8");
}
-(void)ahqavyr8JGm:(UITableView*) ahqavyr8JGm aM8EFZ:(UIImage*) aM8EFZ aNZ5R:(UIWindow*) aNZ5R adNWwB:(UIDevice*) adNWwB akolneh:(UIMenuItem*) akolneh a2crLSf:(UIInputView*) a2crLSf asFhovOL7WT:(UIBarButtonItem*) asFhovOL7WT amtGE1s:(UIColor*) amtGE1s aqlbYNE2M:(UIColor*) aqlbYNE2M aiGJSbnRp3:(UIView*) aiGJSbnRp3 akth0:(UIImage*) akth0 {
NSLog(@"XB27IKHJmQFuVkTPAGrDgfoN0evEnYOthsS");
NSLog(@"GlIE3mxpaLQjSBNWPrVAs6vU");
NSLog(@"iMm5UEKXdx3ctJ7LNgDe");
NSLog(@"RYM4c5Wqk7IEhgpATrlQS");
NSLog(@"JVknKH2QWcCLFP8BayZ1bwDGiMSglXjd");
NSLog(@"sfrgKn6bpL");
NSLog(@"qCGLh5p6bHcgD2woTRueESON0mizBYK1AfV4");
NSLog(@"ZnUtXGK5TBrQeRIhNf");
NSLog(@"yt0dWkuIs2X6BacRogf4Yw1NPSeFbrA");
NSLog(@"Kdx1E83zY9c2IDCmp5ale");
NSLog(@"lPm7Sr3aCLYv6ekhJs8zquI41GinpRDcBMwHQtU");
NSLog(@"hoxSsw34j6vUDykW8ugBAaIMQiFcGfH5dmYCK0l");
NSLog(@"6D7IBmxqujC2Wa1sihLUd5N84RylXG");
NSLog(@"L03pSMCeZ78s");
NSLog(@"q86RQ2hlEWSB7k3j");
NSLog(@"IpRbtJ1kB8eKAYEQu");
NSLog(@"972UTLtOu3oaDS8fQzNehmy0bGsVAdljPr5g4EKH");
}
-(void)atAa0i8J:(UIColor*) atAa0i8J aVy3eCPpd1L:(UIMenuItem*) aVy3eCPpd1L atN5RhQuCK:(UIColor*) atN5RhQuCK aDKyklsVzYW:(UIControl*) aDKyklsVzYW aPpY1:(UIDocument*) aPpY1 {
NSLog(@"UsDb6B4oiKcMTurkjaNRe1flgwFp");
NSLog(@"jk4RBcSxXVysT6pzAEMoChb0YlmWqLrHK7iPJIw");
NSLog(@"t4HICXxzUWq");
NSLog(@"JmeEwvbcNAM6GQgWzU4Ks8fRdYk1L5VHqO");
NSLog(@"6YswvWMj4mFCbJy0eV7URaI9XElNu5H3izpcO");
NSLog(@"fcONMZqPnk7SR5");
NSLog(@"TAcGPL9R5sjaeKmlbHxqYiw");
NSLog(@"eo28cXIvB6DrSVNTq");
NSLog(@"mHTWFsbQYRraIwUSijBGdvJpL1c7X");
NSLog(@"vAouQVwFaMNLGspz264mUP1feg");
NSLog(@"gWyRftqY4zJlovwQVUDjai");
NSLog(@"Qn58BrkXyzF4xCH2Z");
}
-(void)aX74oxavO8b:(UIImageView*) aX74oxavO8b afQG8odNF:(UIFont*) afQG8odNF a2rdhuz:(UIView*) a2rdhuz at1RK2WB7:(UIScreen*) at1RK2WB7 ahY3c:(UIControl*) ahY3c aC18iI4T:(UIFontWeight*) aC18iI4T aJCLsPnYIh:(UISearchBar*) aJCLsPnYIh abRuxNQP:(UIEdgeInsets*) abRuxNQP abSyIKqwCYa:(UIFont*) abSyIKqwCYa aMHBi7Gv:(UIBarButtonItem*) aMHBi7Gv aMrASjTu:(UIEvent*) aMrASjTu av1bBi:(UIImage*) av1bBi {
NSLog(@"cadgYFxfGnNyO9SPusl31C");
NSLog(@"LQbKO8Vlk3nEFYoJW5g1m0pRPB6tGUaeCq4jf");
NSLog(@"6vBGn1MATuFOXcH8ki2mENp0zrq9");
NSLog(@"MbvPuIHUVCgXLhJ2RZNnqsfExkOQFWSYDw1zy8");
NSLog(@"Xq8HfhInbeBF7");
NSLog(@"mAzMOeXodYSj4QshiHxcrRtDfguULkCqWI25FT8");
NSLog(@"Pz1TrEW9vlifA3b7cS5dYqKZ");
NSLog(@"wz9v5ENH8fQcKI0CnF4Jt6T7SL1kj3Odr2");
NSLog(@"4VSqRChfEJAit01UlbWHMLZ3vr");
NSLog(@"ERWUCDOavIgtbpArX7");
NSLog(@"HgwB37WZr5TxGI");
NSLog(@"8YoMSf9ue4E");
NSLog(@"3W8ETuyCIDQdsgGcMYFvm1NHBfa4Z96LjKoJxV");
NSLog(@"TLhM7lE6fOZSj5BVI3HxJ2iDYnez");
NSLog(@"4xmZanvQcPE9FjbAR15OTf08yHShIktrio");
NSLog(@"cDrFNReiShbUkGHOulqWx58az");
NSLog(@"5cIB1x6aSmAWqwrUfX7by3FYLNupn0lQCe2ZTP");
}
-(void)a7cAn9tMIrY:(UIButton*) a7cAn9tMIrY aMFNvCoDS:(UIUserInterfaceIdiom*) aMFNvCoDS azP8wVe:(UIImage*) azP8wVe aGyCYA1aPq:(UIFontWeight*) aGyCYA1aPq al8yX:(UIBezierPath*) al8yX aFJWQw7:(UIDevice*) aFJWQw7 a41PGjD:(UIVisualEffectView*) a41PGjD apXV9aUKe:(UIColor*) apXV9aUKe aSKHLqxhb:(UIRegion*) aSKHLqxhb aVOvq:(UIActivity*) aVOvq amlIO:(UIColor*) amlIO aKezBdSpQv:(UIView*) aKezBdSpQv aBdLskn:(UIDocument*) aBdLskn aGiWxEpRF:(UITableView*) aGiWxEpRF aD3nA:(UIUserInterfaceIdiom*) aD3nA azrFaqw:(UISwitch*) azrFaqw ah96ecsb:(UIDocument*) ah96ecsb a9SIG:(UIVisualEffectView*) a9SIG ac4Tm:(UILabel*) ac4Tm aaHyb7x:(UIView*) aaHyb7x {
NSLog(@"MDektodhWXE2OTIgbxVcq61iRH5uLBpyrK");
NSLog(@"Xa0QTqOtGs5Pk3YlRSijv8ZEzhLVpyMFefHo");
NSLog(@"9GWxctIpO62qoASdb");
NSLog(@"crGxfyOmWPzgE2FY5uBk6jLbwhoSZiV");
NSLog(@"L4D0SE2PezG9dqABm");
NSLog(@"8wa1APTqWf2n6lCtKxeLuRYDioSmJNB");
NSLog(@"9ZBMwnIlH8NvXLR06u2rpEOeVCTcjWP3zsk");
NSLog(@"4bWz7XlNhVRHPjO");
NSLog(@"K31Ws2OaUdGne8E7BPAfrIlzboN45iDMVu");
NSLog(@"f1N5ZhaEGnJ");
}
-(void)a4nvUZI:(UIRegion*) a4nvUZI aujZ8stOV:(UIEdgeInsets*) aujZ8stOV anmtc4iPQ9d:(UIAlertView*) anmtc4iPQ9d aCX7l3I:(UIDocument*) aCX7l3I aQLNE:(UICollectionView*) aQLNE a6pi0g:(UICollectionView*) a6pi0g aYRFBS:(UISwitch*) aYRFBS azlYxW:(UIViewController*) azlYxW arYL20:(UIViewController*) arYL20 aGHBvW9K:(UIImageView*) aGHBvW9K aVhdct:(UIMenuItem*) aVhdct awczWroE:(UIViewController*) awczWroE azVgGy9:(UIImageView*) azVgGy9 akn5mwfK92:(UIScreen*) akn5mwfK92 a43gdor2xnG:(UIBarButtonItem*) a43gdor2xnG auEhXzInPSG:(UIBarButtonItem*) auEhXzInPSG axPOVS:(UIUserInterfaceIdiom*) axPOVS a3BEX5G:(UIView*) a3BEX5G aiCj3cWOu:(UIView*) aiCj3cWOu {
NSLog(@"j8D7mab9QyCGfTv0WuIXOSFVnlp4xwhH");
NSLog(@"wGUTPZSyLeo7kdDF6v2R8BQt1bpjEV4OYu");
NSLog(@"qzBA2Y7rgSbKMXT5Vmax41IQoWeZp");
NSLog(@"vDAXaLgUwFb3J");
NSLog(@"pLFAHlPfNdTiIZXEBQgvesyWR9xqmGnSbjc");
NSLog(@"a3JLA0wYrFGUBvSD75pE4cRkX2");
NSLog(@"ZgbPJQiWvxTDzs8mXe");
NSLog(@"opiSD0GwMFVOy8YQzbPmBLkv24tE315lXZH");
NSLog(@"Ddvblig6JMZjCnuwS5xaOVHTFeRmhq");
NSLog(@"rwtgOQDN5GfLqC4");
NSLog(@"Ek1VsprH3N7TOe09G8IBuSMFYvZn6QcmPi");
NSLog(@"3ZlbmCx6Wkg");
NSLog(@"2VDa1s6OwzXp9uGtdLK");
NSLog(@"pxHoAsG2BXnEcSYymah");
NSLog(@"UVoc1brQJvIpaeqPF");
}
-(void)a2ksxY:(UIEdgeInsets*) a2ksxY arGjuFPRZKU:(UIVisualEffectView*) arGjuFPRZKU aWai4HPjZE8:(UIImageView*) aWai4HPjZE8 abn8RCEmMZ:(UIBarButtonItem*) abn8RCEmMZ auTKShD71O:(UIEvent*) auTKShD71O {
NSLog(@"Fwlyqx7dBKIcNXi8YmQ3HDPRSMzWO");
NSLog(@"dV1yNwHIq7Qr3Lvshe9nbOj6u5f4Xp2cKDmCzSla");
NSLog(@"t2KJib4G5I");
NSLog(@"IR6cgWsNMbaDSv0XeyQCiZ7m3zHTFV");
NSLog(@"zda5m1ZXVIL9");
NSLog(@"vJnzrcpRGPwyhkx1loIbHSjO3ECmQgFWf67tX");
NSLog(@"6QcpKvGjtfz8Zn71S");
NSLog(@"QqfkDO0p5NyeUcK7PYrbz4WCHRGvhdIjVS63na");
NSLog(@"5tO7pNkaGjFKBzgnuCs42DWMQ3TcVbHRwmPifZ");
NSLog(@"tE1czFdfs2QyC");
NSLog(@"BWaD4Ct97SsmO8eEGnhkXgcuZvxrH");
NSLog(@"nFxfmika5CjlsJH3OAIBRu0");
NSLog(@"QKogsemSI346jvw8n2H5PXcpNqTAu1rBMG7iRZ");
NSLog(@"4OzargLUYkWTq8NcfyQXdHh1V0b6Aw2P5jvenG");
NSLog(@"Pr9i40yUCos");
}
-(void)ayD8aqVfZw:(UIViewController*) ayD8aqVfZw aVTGvsYC:(UIActivity*) aVTGvsYC ar56h4qA7:(UILabel*) ar56h4qA7 atVA5GFMWk6:(UIAlertView*) atVA5GFMWk6 aFfXKZISl:(UIBarButtonItem*) aFfXKZISl ah2GDg3t:(UIView*) ah2GDg3t aH69jSg3U:(UIWindow*) aH69jSg3U aciO7AQfg1:(UIVisualEffectView*) aciO7AQfg1 {
NSLog(@"kOjQe0HTftoIKrzD9hU2N4cpg1nJd6M");
NSLog(@"VXLDt9YglxnCo54eydq0z3jvhmBTpZfQ2FraEOIJ");
NSLog(@"Wu9g3ULVmYAirsIqj2PxS1p6nZQJG");
NSLog(@"qYSAUlgnLRyD2M0EXpmx");
NSLog(@"rVNW1hRY0F4T6nvylJbufS");
NSLog(@"kpUN7wMZ9nDfhWQySGXFq8gC6uB2r1oxK");
NSLog(@"gzG0oRtb7PIVQnmelvyD");
NSLog(@"nqJYMfPg3j05lEoyZTvcAGdHBs8bxpD7akrL2");
NSLog(@"o0ruURxIzfnsZ25dm");
NSLog(@"eM3spCkjnLD");
NSLog(@"kKEQbZMVSxeCWUH");
NSLog(@"BkusDrHPJi3ZoR72KaCzy01w6NcbmI");
NSLog(@"dFs2coHIMyfUirbeYNLt7j58l3q");
NSLog(@"E7aI6FZxcN9AMDnhGL");
NSLog(@"F9ucWKkzEaM");
NSLog(@"tVkwDUnfYed8v14R6iAZhpF3b72SqG");
NSLog(@"zeBn3pLb1uZ2K");
}
@end