ShengQianProject/YouHuiProject/YouHui/Home/View/HomeSearchView/DRScrollSear...

//
//  DRScrollSearchView.m
//  YouHuiProject
//
//  Created by 小花 on 2018/1/16.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "DRScrollSearchView.h"

const NSInteger titleFont = 14;

@interface DRScrollSearchView()
@property (nonatomic, strong)   NSMutableArray *titles;
@property (assign, nonatomic)   int titleIndex;
@property (assign, nonatomic)   int index;
@end

@implementation DRScrollSearchView

- (instancetype)initWithFrame:(CGRect)frame andTitles:(NSArray *)titles {
    self = [super initWithFrame:frame];
    if (self) {
        
        self.backgroundColor = [UIColor YHColorWithHex:0xF5F5F5];
        self.layer.cornerRadius = self.height/2;
        self.titles = [NSMutableArray arrayWithArray:titles];
        NSString *str = @"";
        [self.titles addObject:str];
        self.index = 1;
        UIButton *btn = [[UIButton alloc]init];
        btn.frame = CGRectMake(0, 0, self.width, self.height);
        btn.tag = self.index;
        [btn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
        [btn setTitle:self.titles[0] forState:UIControlStateNormal];
        [btn setImage:[UIImage imageNamed:@"search_small"] forState:UIControlStateNormal];
        btn.imageEdgeInsets = UIEdgeInsetsMake(0, -10, 0, 0);
        btn.titleLabel.font = [UIFont systemFontOfSize:titleFont];
        [btn setTitleColor:[UIColor YHColorWithHex:0x999999] forState:UIControlStateNormal];
        [self addSubview:btn];
        self.clipsToBounds = YES;
        
        [NSTimer scheduledTimerWithTimeInterval:4.0 target:self selector:@selector(nextButton) userInfo:nil repeats:YES];
        
    }
    return self;
}

-(void)nextButton{
    UIButton *firstBtn = [self viewWithTag:self.index];
    UIButton *modelBtn = [[UIButton alloc]initWithFrame:CGRectMake(0, self.height, self.width, self.height)];
    modelBtn.tag = self.index + 1;
    if ([self.titles[self.titleIndex+1] isEqualToString:@""]) {
        self.titleIndex = -1;
        self.index = 0;
    }
    if (modelBtn.tag == self.titles.count) {
        
        modelBtn.tag = 1;
    }
    
    [modelBtn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
    
    [modelBtn setTitle:self.titles[self.titleIndex+1] forState:UIControlStateNormal];
    [modelBtn setImage:[UIImage imageNamed:@"search_small"] forState:UIControlStateNormal];
    modelBtn.titleLabel.font = [UIFont systemFontOfSize:titleFont];
    modelBtn.imageEdgeInsets = UIEdgeInsetsMake(0, -10, 0, 0);
    [modelBtn setTitleColor:[UIColor YHColorWithHex:0x999999] forState:UIControlStateNormal];
    [self addSubview:modelBtn];
    
    [UIView animateWithDuration:0.25 animations:^{
        firstBtn.y = -self.height;
        modelBtn.y = 0;
        
    } completion:^(BOOL finished) {
        [firstBtn removeFromSuperview];
        
    } ];
    self.index++;
    self.titleIndex++;
}

-(void)clickBtn:(UIButton *)btn{
    if ([self.delegate respondsToSelector:@selector(clickTitleButton:)]) {
        [self.delegate clickTitleButton:btn];
    }
}

- (void)destory {
    for (UIView *subView in self.subviews) {
        [subView removeFromSuperview];
    }
}




@end