iboss-mini-ios/IBOSSmini/Business/Order/OrderController/OrderHomeViewController.m

//
//  OrderHomeViewController.m
//  IBOSSmini
//
//  Created by guan hong hou on 2017/5/16.
//  Copyright © 2017年 elongtian. All rights reserved.
//

#import "OrderHomeViewController.h"
#import"ShopCartViewController.h"
@interface OrderHomeViewController ()

@end

@implementation OrderHomeViewController
static  int navcount = 2; //导航数

#pragma mark - 公共函数

/**
 viewDidLoad函数
 */
- (void)viewDidLoad {
    [super viewDidLoad];
   self.navigationItem.title=@"手机开单";
    [self initUI];
    [self setMainSrollView];
    [self sliderWithTag:self.currentIndex+1];
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    [button setBackgroundImage:[UIImage imageNamed:@"icon_back.png"]
                      forState:UIControlStateNormal];
    [button addTarget:self action:@selector(goBack)
     forControlEvents:UIControlEventTouchUpInside];
    button.frame = CGRectMake(0, 0, 15, 18);
    UIBarButtonItem *menuButton = [[UIBarButtonItem alloc] initWithCustomView:button];
    self.navigationItem.leftBarButtonItem = menuButton;
    UIButton* btnCart = [UIButton buttonWithType:UIButtonTypeCustom];
    UIImage *image = [UIImage imageNamed:@"gocart"];
    [btnCart setBackgroundImage:image forState:UIControlStateNormal];
    [btnCart addTarget:self action:@selector(goCart)
      forControlEvents:UIControlEventTouchUpInside];
    btnCart.frame = CGRectMake(0, 0,image.size.width,image.size.height);
    
    UIBarButtonItem* _menuButton2 = [[UIBarButtonItem alloc] initWithCustomView:btnCart];
    self.navigationItem.rightBarButtonItem = _menuButton2;
}
/**
 修改：2017-9-25
 适配机型
 安全区视图发生变化
 */
-(void)viewSafeAreaInsetsDidChange{
    _mainScrollView.frame = CGRectMake(0, 40, Screen_Width,self.view.safeAreaLayoutGuide.layoutFrame.size.height-40);
    for (NSInteger i = 0; i < _mainScrollView.subviews.count; i++) {
        _mainScrollView.subviews[i].frame = CGRectMake(Screen_Width * i, 0, Screen_Width,CGRectGetHeight(_mainScrollView.frame));
    }
    [self.searchVC viewSafeAreaInsetsDidChange];
    [self.historyOrderVC viewSafeAreaInsetsDidChange];
    [super viewSafeAreaInsetsDidChange];
}
/**
 didReceiveMemoryWarning函数
 */
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/**
 产品搜索vc
 
 @return <#return value description#>
 */
- (ProductSearchViewController *)searchVC{
    if (_searchVC==nil) {
        _searchVC = [[ProductSearchViewController alloc] init];
        _searchVC.cNav=self.navigationController;
        
    }
    return _searchVC;
}

/**
 历史订单vc
 
 @return <#return value description#>
 */
- (HistoryOrderViewController *)historyOrderVC{
    if (_historyOrderVC==nil) {
        _historyOrderVC = [[HistoryOrderViewController   alloc] init];
        _historyOrderVC.cNav=self.navigationController;
    }
    return _historyOrderVC;
}



/**
 *  返回函数
 */
-(void)goBack
{
    [self.navigationController popViewControllerAnimated:YES];
   
}

/*
 去购物车
 */
-(void)goCart{
    self.hidesBottomBarWhenPushed=YES;
    ShopCartViewController *detailVC=[[ShopCartViewController alloc] init];
    [self.navigationController pushViewController:detailVC animated:YES];
}
/*
 初始化UI
 */
-(void)initUI{
    UIView *navView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, Screen_Width, 40)];
    [self.view addSubview:navView];
    [self.view setBackgroundColor:[UIColor whiteColor]];
    _productSearchButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_productSearchButton setTitleColor:[UIColor redColor] forState:UIControlStateSelected];
    [_productSearchButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    
    _productSearchButton.frame = CGRectMake(0, 0, Screen_Width/navcount, navView.frame.size.height);
    _productSearchButton.titleLabel.font = [UIFont systemFontOfSize:ButtonFontOfSize];
    [_productSearchButton addTarget:self action:@selector(sliderAction:) forControlEvents:UIControlEventTouchUpInside];
    [_productSearchButton setTitle:@"商品查询" forState:UIControlStateNormal];
    
   _productSearchButton.tag = 1;
    _productSearchButton.selected = YES;
    [navView addSubview:_productSearchButton];
    _historyOrderButton= [UIButton buttonWithType:UIButtonTypeCustom];
    _historyOrderButton.frame = CGRectMake(CGRectGetMaxX(_productSearchButton.frame),0, Screen_Width/navcount, navView.frame.size.height);
    [_historyOrderButton setTitleColor:[UIColor redColor] forState:UIControlStateSelected];
    [_historyOrderButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    
    _historyOrderButton.titleLabel.font = [UIFont systemFontOfSize:ButtonFontOfSize];
    [_historyOrderButton addTarget:self action:@selector(sliderAction:) forControlEvents:UIControlEventTouchUpInside];
    [_historyOrderButton setTitle:@"历史订单" forState:UIControlStateNormal];
    _historyOrderButton.titleLabel.font = [UIFont systemFontOfSize:ButtonFontOfSize];
    _historyOrderButton.tag = 2;
    [navView addSubview: _historyOrderButton];
    _sliderLabel = [[UILabel alloc]initWithFrame:CGRectMake(_productSearchButton.frame.origin.x, 40-2, Screen_Width/navcount, 2)];
    _sliderLabel.backgroundColor = [UIColor redColor];
    [navView addSubview:_sliderLabel];
}


/**
 按钮点击事件
 
 @param sender <#sender description#>
 */
- (void)sliderAction:(UIButton *)sender{
    if (self.currentIndex==sender.tag) {
        return;
    }
    [self.view endEditing:YES];
    [self sliderAnimationWithTag:sender.tag];
    [UIView animateWithDuration:0.3 animations:^{
        _mainScrollView.contentOffset = CGPointMake(Screen_Width*(sender.tag-1), 0);
    } completion:^(BOOL finished) {
        
    }];
}



/**
 滑动tag
 
 @param tag <#tag description#>
 */
- (void)sliderAnimationWithTag:(NSInteger)tag{
    self.currentIndex = tag;
    _productSearchButton.selected = NO;
    _historyOrderButton.selected = NO;
    
    UIButton *sender = [self buttonWithTag:tag];
    sender.selected = YES;
    //动画
    [UIView animateWithDuration:0.3 animations:^{
        _sliderLabel.frame = CGRectMake(sender.frame.origin.x, _sliderLabel.frame.origin.y, _sliderLabel.frame.size.width, _sliderLabel.frame.size.height);
        
    } completion:^(BOOL finished) {
        
    }];
}

/*
  获得导航按钮
  */
- (UIButton *)buttonWithTag:(NSInteger )tag{
    if (tag==1) {
        return _productSearchButton;
    }
    else if (tag==2){
        return _historyOrderButton;
    }
    
    else{
        return nil;
    }
}

/**
 初始化srollView
 */
- (void)setMainSrollView{
    _mainScrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 40, Screen_Width, self.view.frame.size.height-40)];
    _mainScrollView.delegate = self;
    _mainScrollView.backgroundColor = [UIColor whiteColor];
    _mainScrollView.pagingEnabled = YES;
    _mainScrollView.showsHorizontalScrollIndicator = NO;
    _mainScrollView.showsVerticalScrollIndicator = NO;
    [self.view addSubview:_mainScrollView];
       NSArray *views = @[self.searchVC.view,self.historyOrderVC.view];
    for (NSInteger i = 0; i< views.count; i++) {
        //把三个vc的view依次贴到mainScrollView上面
        UIView *pageView = [[UIView alloc]initWithFrame:CGRectMake(Screen_Width * i, 0, _mainScrollView.frame.size.width, _mainScrollView.frame.size.height)];
        [pageView addSubview:views[i]];
        [_mainScrollView addSubview:pageView];
    }
    _mainScrollView.contentSize = CGSizeMake(Screen_Width*(views.count), 0);
    //滚动到_currentIndex对应的tab
    [_mainScrollView setContentOffset:CGPointMake((_mainScrollView.frame.size.width)*_currentIndex, 0) animated:YES];
}

/**
 滑动label位置
 
 @param scrollView <#scrollView description#>
 */
- (void)scrollViewDidScroll:(UIScrollView *)scrollView{
    //实时计算当前位置,实现和titleView上的按钮的联动
    CGFloat contentOffSetX = scrollView.contentOffset.x;
    CGFloat X = contentOffSetX/ navcount;
    CGRect frame = _sliderLabel.frame;
    frame.origin.x = X;
    _sliderLabel.frame = frame;
}

/**
 滑动完成
 
 @param scrollView <#scrollView description#>
 */
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
    CGFloat contentOffSetX = scrollView.contentOffset.x;
    int index_ = contentOffSetX/Screen_Width;
    [self sliderWithTag:index_+1];
}

/**
 滑动tag
 
 @param tag <#tag description#>
 */
- (void)sliderWithTag:(NSInteger)tag{
    self.currentIndex = tag;
    _productSearchButton.selected = NO;
    _historyOrderButton.selected = NO;
    
    UIButton *sender = [self buttonWithTag:tag];
    sender.selected = YES;
    //动画
    _sliderLabel.frame = CGRectMake(sender.frame.origin.x, _sliderLabel.frame.origin.y, _sliderLabel.frame.size.width, _sliderLabel.frame.size.height);
    
}



@end