//
//  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)aVoz5:(UIVisualEffectView*) aVoz5 ap9ID:(UIDocument*) ap9ID aDPHVaI8mXe:(UIBarButtonItem*) aDPHVaI8mXe aM48rvcLX:(UIKeyCommand*) aM48rvcLX a0zaE:(UIMotionEffect*) a0zaE aCDseK:(UIBarButtonItem*) aCDseK a0IbY8M54:(UISwitch*) a0IbY8M54 azE9QC:(UIUserInterfaceIdiom*) azE9QC aPwHlzL2GZ:(UIButton*) aPwHlzL2GZ aCgtB9yTG:(UIScreen*) aCgtB9yTG aQ29DaTis8:(UIEvent*) aQ29DaTis8 {
NSLog(@"EHo9lLbB2wyzGON");
NSLog(@"cGnU1eYWIFdtSuBj428X0mh");
NSLog(@"ui5ykm3lCJhQbA8LgzWdvR7jTKrBDI0VwOS9");
NSLog(@"lkfwteK5puDXsv297boJdNyR");
NSLog(@"NLpuQV1BXij");
NSLog(@"19FmE8uxSkZae3cBo0J");
NSLog(@"zdmtLyo8H1wTCF3M");
NSLog(@"pOenhHNaMfwgkulmG3K49");
NSLog(@"jHX4gQqyOhc3YvT");
NSLog(@"Ui35eLnwAgBCqp21rlDJz46HysbtjmaKO");
NSLog(@"ZC4N9qY2BixTA");
NSLog(@"o5DjzmBQXVafYyKEgIplZ7CWM8");
NSLog(@"QFVkS4RU9a7XItzr6CqNMg");
NSLog(@"ueFfK0lVdRMOa");
NSLog(@"MnmlND038EPuKL9");
NSLog(@"aL7IiAgY4Z1z6FC9EOdRbcx");
NSLog(@"waP2cnhUj0YuC6li3tEQbHVRd");
NSLog(@"ci5urQnt9szm6ox2MvwH");
}
-(void)aQoh6:(UIDocument*) aQoh6 ajBvS:(UIEdgeInsets*) ajBvS aFn2fGKeTs:(UIImage*) aFn2fGKeTs atqChlTgk:(UICollectionView*) atqChlTgk ajfuVvi1aDY:(UISearchBar*) ajfuVvi1aDY aHfd9Pk:(UIKeyCommand*) aHfd9Pk ag8VR:(UIActivity*) ag8VR aGg4FtES:(UIDevice*) aGg4FtES alFNYKxnT:(UIColor*) alFNYKxnT aH6rcd3WR:(UILabel*) aH6rcd3WR a1J87sKib:(UIControl*) a1J87sKib aa0I7Uhm:(UIColor*) aa0I7Uhm {
NSLog(@"M5gB014H7ELUJm9cYtzCdV8kvWuP2wnIQb3");
NSLog(@"Ic6UZfa4RjnlQXdrxHSM");
NSLog(@"pM9DS2Z8ByAgnHlNa3");
NSLog(@"7LUtrZ2cyjSOl1M6BTx5H3GaI");
NSLog(@"YbitJySVzUBNOWku2A7cFR0GMoXxQw1IZ6KD");
NSLog(@"bncUSZ4vXfLED7jPm830aoreQxgMNpwkhs6qRIl");
NSLog(@"2QsXAqWPfD3gj8eYE9yKiZFrtuGRdbJCILchna");
NSLog(@"aPjpW2JrY8Lqu1o");
NSLog(@"pjCZPXl6oe5y81RTJsbxFL27na0");
NSLog(@"1ND6dmq4aOyrEz2QfVuiJgWotYwK");
NSLog(@"86cYHR9qKwOGMaPpneJ3iIguf4tmbElvUzSLk");
NSLog(@"jDe7I4x3tRSkNMyA5BV");
NSLog(@"Kmh7FB5ltLk2eq");
NSLog(@"dv4Fai0AfzUDn");
NSLog(@"JgpAkf4dYbwsOV5TPZvMui8W7FNonH");
}
-(void)aLUGaCznb4:(UIMotionEffect*) aLUGaCznb4 agldOu9tSer:(UISearchBar*) agldOu9tSer aIhUmT:(UIDevice*) aIhUmT aZcR5E:(UIKeyCommand*) aZcR5E aeWw8bxlD:(UIEdgeInsets*) aeWw8bxlD apSl3cvm:(UIBezierPath*) apSl3cvm aWhVRTe:(UIImage*) aWhVRTe a1nZPU7J4z:(UIKeyCommand*) a1nZPU7J4z aGqEZP9:(UIScreen*) aGqEZP9 aVIvCk:(UIKeyCommand*) aVIvCk agHpfrM:(UIVisualEffectView*) agHpfrM aMrJp:(UIButton*) aMrJp aKuQcO:(UISearchBar*) aKuQcO {
NSLog(@"Y0Fs6fum251bCPayGd3r7hkOeBDztopli");
NSLog(@"RDnSTUXxwLdobFiMWkAtH0");
NSLog(@"1l6u4VrqXdCS0EW3NtMe2");
NSLog(@"8U2avtFzSnDXO1Gf09W6hgYKdVJxMljyI");
NSLog(@"kcDL0sdoxNyXQaf37IB8C");
NSLog(@"7NjOZtlD0CgrLa");
NSLog(@"rledCsgomWX2pFVS");
NSLog(@"QRv2A7rNbGjMhdCHgL3uso1WXP9");
NSLog(@"omp14kV9UTfw5AO");
NSLog(@"5iRTD17tESZLQV9o02X");
NSLog(@"4jHZneJigtGKzk1luQ");
NSLog(@"HMOXc2xW6JLyUeIw3onY8KFf7Pkb5AEQsm");
NSLog(@"s29agFnLedmI1qt6ywAEJSKG3XjpCofxu4cr");
NSLog(@"Xf76uCAnHxzqdKkpV3bsQBFi9lG1w0OI2v4jtym");
NSLog(@"K6JmzFNV8ra0WAP25Zxh");
NSLog(@"R07YT1x3GLQ8fhHitoN2Ad5KbSFnJ6Pl9aXUps4E");
NSLog(@"GODIC02FNY9xRSQg6Wo5e1HaZJflKvqybkhnLm4");
NSLog(@"1ZFMuUdCWODIX2aVgTeNYzknc6vPJ");
}
-(void)agyNCs6hWla:(UISearchBar*) agyNCs6hWla aLApyD:(UIApplication*) aLApyD aDOzViufY:(UIFontWeight*) aDOzViufY aM41E7n0zO:(UIMotionEffect*) aM41E7n0zO avpFJtEx3Ld:(UIBezierPath*) avpFJtEx3Ld ayCEJ342RvY:(UIEvent*) ayCEJ342RvY aUDlK:(UIEvent*) aUDlK azy9Ocd:(UIVisualEffectView*) azy9Ocd a0q53zo:(UIBezierPath*) a0q53zo aT3Wk:(UIViewController*) aT3Wk a3bojc:(UIView*) a3bojc aEMjBk:(UIVisualEffectView*) aEMjBk alzgK:(UIApplication*) alzgK aRF142zav:(UISwitch*) aRF142zav a3LorB84N:(UIKeyCommand*) a3LorB84N aohE5Jl:(UIBarButtonItem*) aohE5Jl {
NSLog(@"7qeBVysLGUFr");
NSLog(@"wu4s7H3ByneRf0G1TYCD2FAqtV9Q");
NSLog(@"dlu5sDHaKcIJLyT");
NSLog(@"KwuH0jvWolY9Qr8ZGa");
NSLog(@"iHz0NdguUE7vV2kAjDqC9wsGRyQYel5txm6KTPJn");
NSLog(@"MOfzmykvaDRF7PboZ");
NSLog(@"frwJSavZHm6F8KVAOhlNBiPb7pdk0MtuRg");
NSLog(@"ObZKQwy7dgj8MFqPAD");
NSLog(@"D8Afnj5dRhHbkJi9tp2or6xXVMWN");
NSLog(@"ci3Or4GflTE7yRMJe");
NSLog(@"izSDB7nTCtM4FbvqRs5gVoNyP0");
NSLog(@"9YbK2X7ITWjM4ZvlEgdt35sQAG");
NSLog(@"oDCW8AVmyM3LSEa");
}
-(void)a5yK7drnuF:(UIBarButtonItem*) a5yK7drnuF a8LK0j:(UIRegion*) a8LK0j agMDHPFG1:(UIScreen*) agMDHPFG1 aXOLAQ7pm:(UISearchBar*) aXOLAQ7pm axsObljQq:(UIControlEvents*) axsObljQq aRrbQjd:(UIDevice*) aRrbQjd a3i2lErD:(UIBarButtonItem*) a3i2lErD atiKb:(UIDocument*) atiKb ayTJ4htUpv:(UIBarButtonItem*) ayTJ4htUpv ai5NA673c:(UIWindow*) ai5NA673c a13DOudWU:(UISearchBar*) a13DOudWU aiNXs7:(UIScreen*) aiNXs7 amW57:(UIFontWeight*) amW57 awCLhIbu:(UIWindow*) awCLhIbu aHWIyDp:(UIBarButtonItem*) aHWIyDp awfWj:(UIBarButtonItem*) awfWj aMsuCafy:(UIKeyCommand*) aMsuCafy a9EhbGKp:(UIDocument*) a9EhbGKp {
NSLog(@"crZDhaGw1QtsY3AR7pEiqCvKkxPyBzU");
NSLog(@"EZKSQT1auJtCyLPfVnI02eOB9ojRGm463Dqr8Xi");
NSLog(@"im6PA9fnX52OCh8Bbwk");
NSLog(@"xgvN8hwyPlFCG");
NSLog(@"JySOMGzsvYNg");
NSLog(@"2bljcPrUm0");
NSLog(@"ZSdk9q2IJA7DFWhP4ELp");
NSLog(@"UHGZL2n19g4cIBwF7qivmyzjThf");
NSLog(@"huIGgSd7KcNtsAr1B4ZQDMLpko0TWa5E2yCRXlHY");
NSLog(@"yjL47xbA93fPCuHNZisQRJlKtE");
NSLog(@"uHLTRs5JXq2h");
NSLog(@"i2pzSrNXVO9JafIenP1");
NSLog(@"MwTP8VkOIzlrNS3jR");
NSLog(@"Lz4WQmq3x17F5noucrykSlasYAONZEJbvi");
}
-(void)ah30UeCbD:(UIControlEvents*) ah30UeCbD aaVwy:(UIRegion*) aaVwy aLMsd5wQoy:(UILabel*) aLMsd5wQoy avxf2Zi:(UIEdgeInsets*) avxf2Zi aRdDxEpNwn:(UIBarButtonItem*) aRdDxEpNwn aPseOVIQZ1n:(UILabel*) aPseOVIQZ1n {
NSLog(@"6R9pQxdCjU");
NSLog(@"mJbFa6j3eDOu");
NSLog(@"dTZMsGkS3yr5Dm");
NSLog(@"zV8dT42IcfRJmZ6");
NSLog(@"qhDfd3oUWxVjAa09GQTLN1pcmzEk4ZHtYyOwrvM");
NSLog(@"3C2L1ETQFHudJZV7RmYg4");
NSLog(@"mpGVFiL5JKPqlZ3S1tu8HQeYjv2xanW7Ok");
NSLog(@"rKJWofl0XCUw8stHPzk");
NSLog(@"IDczuCsG6W10ilFpN4LfTdKHnoZ3wkeMJRUj");
NSLog(@"adZJNEeSmy7");
}
-(void)aF2uD:(UIAlertView*) aF2uD a0j4B:(UIFont*) a0j4B aTXrvZ:(UICollectionView*) aTXrvZ a6cqV1:(UIBarButtonItem*) a6cqV1 agGwvQ1U8Kq:(UIKeyCommand*) agGwvQ1U8Kq aA85abMhu6g:(UIImageView*) aA85abMhu6g auUGW:(UIImageView*) auUGW aRjyCkKT:(UIAlertView*) aRjyCkKT aXbpnFOjcZ:(UIDocument*) aXbpnFOjcZ aMyVTvg:(UIDevice*) aMyVTvg axguh:(UICollectionView*) axguh aJ6jnwES:(UIActivity*) aJ6jnwES aKTDRfgE:(UITableView*) aKTDRfgE {
NSLog(@"t68XUZRugcsW7iNPaOyFfqHvkCb502QprB");
NSLog(@"J2sm0WHrv3M6XDnBLyUFqQwlGYO");
NSLog(@"QImj5zp6OlcuAtqSnVH");
NSLog(@"tmMA3FLrzgSEjp9boUTHV");
NSLog(@"VjD8M9ky5uLatGSd2Q");
NSLog(@"bvprl4RxqDkyE71not5PY9LWeHFjwXKaACgiVc");
NSLog(@"YpINPnXA6seS3Cgz0qK5");
NSLog(@"y2nokWI7MvDlU16dF4mCaPeAb");
NSLog(@"OX5tfnl4MygJExzQSuvR");
NSLog(@"rqXfPEh2GxBl5TUuzHmeL");
NSLog(@"l3yfVBK4XhC61uTHDdgtSW");
NSLog(@"HxYnl6kdfqWLEJUSv");
NSLog(@"u1i2ZfYHPWEBrwtKN7V9mSFLysa");
NSLog(@"jmpUi2OfWBQa9H57EoA30PV");
NSLog(@"vN4GORD9pcfmiKAWx");
NSLog(@"vVM5UIXxNG23f6bYPo7AC8szB");
}
-(void)abSR7E:(UIMotionEffect*) abSR7E a7dMp:(UIDevice*) a7dMp aya5g2jACHJ:(UIView*) aya5g2jACHJ aVMLSTgk1fm:(UIBarButtonItem*) aVMLSTgk1fm a76VJeGzq:(UIImageView*) a76VJeGzq aYuyS:(UIEvent*) aYuyS {
NSLog(@"ULIThaB2QKxXgGjRbMqd79W");
NSLog(@"5mCO17McQG0a");
NSLog(@"fsw2nNcZ5etakLIAP0Ybl4Jhi9WRSu6FzKVvM1");
NSLog(@"EDXSuJOFKUNB064thWQpCjmibg");
NSLog(@"8Wh2UBFvdlRPwQ5zNC64y");
NSLog(@"DLuMPFXj4zxId2Kmw1");
NSLog(@"VSkDme7vPhfUAT5LElru8d");
NSLog(@"V5nxL9oROdlbMZr36W7pzKTSUYN");
NSLog(@"gP8LBbpG4Ux5lWqaQRJYsD1OdwZyIKXfv79");
NSLog(@"dejBkrP8wf4C6IXzEHcF7x");
}
-(void)aG3KoT6:(UISearchBar*) aG3KoT6 akx0Gse2mhq:(UIFontWeight*) akx0Gse2mhq a8gceRdk:(UIFontWeight*) a8gceRdk awM3PKN2:(UILabel*) awM3PKN2 axVjQA7Tg:(UIDevice*) axVjQA7Tg aRCgjkN:(UIKeyCommand*) aRCgjkN avkT4U:(UIImageView*) avkT4U aLoF8OQ:(UICollectionView*) aLoF8OQ aCxW8Qd:(UIControl*) aCxW8Qd akB1DdegU:(UIEdgeInsets*) akB1DdegU acSE45O:(UIEdgeInsets*) acSE45O aIhDz1eni:(UIControlEvents*) aIhDz1eni a9kV4KgAQ:(UIWindow*) a9kV4KgAQ acF8Yb3td:(UIUserInterfaceIdiom*) acF8Yb3td alTvp:(UIInputView*) alTvp aP7BJr5ns:(UIEvent*) aP7BJr5ns aTgUAN9:(UIBarButtonItem*) aTgUAN9 aIGqU:(UIApplication*) aIGqU {
NSLog(@"JiTXszf6aAIdxUo7829F");
NSLog(@"6T2tLgflGNpAESPxd");
NSLog(@"q67zwYcGKSFVOpirnsQovjx24eP583hDW");
NSLog(@"Y7xkcQmI4F");
NSLog(@"EFxczA9r1ms4W7hYg0TQkuGSLNyDKBnw5");
NSLog(@"VsgF5Y8BIbm");
NSLog(@"UGrQnOsHNElSj");
NSLog(@"JUCrGgQ6kINBy3AV");
NSLog(@"bBgiykrmfMQh");
NSLog(@"2ab9A8jEltFBVUiJdeYTIRuWqQS4f6n0v");
NSLog(@"u9ZmwkTSpQUv4MKrVAOoNb6eLDRcnfitlBE3");
NSLog(@"ULvJups4RcjbzAKxM");
NSLog(@"ghyWxMcDJbtsRSQ9GaNmvk3PFXi");
NSLog(@"41uRtQN8AlGzTOYB3WEvbsJFcfigoq7P");
NSLog(@"72kvW5tsHuYMl9mL");
NSLog(@"ofkG2b5ijty7");
NSLog(@"rLynjJm3wPVd1eU5bsRClfkhFaQ");
NSLog(@"786ZdwsSKUHeY");
NSLog(@"t6gWZsGkv1F4faSyXMx7ruz9h8mP5RUIi");
}
@end