YYXC_School/LN_School/ADView/AdvertisingColumn.m

//
//  AdvertisingColumn.m
//  CustomTabBar
//
//  Created by shikee_app05 on 14-12-30.
//  Copyright (c) 2014年 chan kaching. All rights reserved.
//

#import "AdvertisingColumn.h"
#import "ADLinkVC.h"

@implementation AdvertisingColumn

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        _scrollView = [[UIScrollView alloc]initWithFrame:frame];
        _scrollView.delegate = self;//设置代理UIscrollViewDelegate
        _scrollView.showsVerticalScrollIndicator = NO;//是否显示竖向滚动条
        _scrollView.showsHorizontalScrollIndicator = NO;//是否显示横向滚动条
        _scrollView.pagingEnabled = YES;//是否设置分页
        _scrollView.bounces = NO;
        
        [self addSubview:_scrollView];

        /*
         ***容器，装载
         */
        UIView *containerView = [[UIView alloc]initWithFrame:CGRectMake(0, CGRectGetHeight(self.frame)-20, CGRectGetWidth(self.frame), 20)];
        containerView.backgroundColor = [UIColor clearColor];
        [self addSubview:containerView];
        UIView *alphaView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, CGRectGetWidth(containerView.frame), CGRectGetHeight(containerView.frame))];
        alphaView.alpha = 0.7;
        [containerView addSubview:alphaView];
        
        //分页控制
        _pageControl = [[UIPageControl alloc]initWithFrame:CGRectMake(kSize.width*0.5 - 15, 0, kSize.width, 20)];
        _pageControl.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
        _pageControl.currentPage = 0; //初始页码为0
        [containerView addSubview:_pageControl];
        
        //图片张数
        _imageNum = [[UILabel alloc]initWithFrame:CGRectMake(10, 0, CGRectGetWidth(containerView.frame)-20, 20)];
        _imageNum.font = [UIFont scaleSize:15];
        _imageNum.backgroundColor = [UIColor clearColor];
        _imageNum.textColor = [UIColor whiteColor];
        _imageNum.textAlignment = NSTextAlignmentRight;
        [containerView addSubview:_imageNum];
        
        /*
         ***配置定时器，自动滚动广告栏
         */
        _timer = [NSTimer scheduledTimerWithTimeInterval:3.0 target:self selector:@selector(timerAction:) userInfo:nil repeats:YES];
        [[NSRunLoop  currentRunLoop] addTimer:_timer forMode:NSDefaultRunLoopMode];
        //[_timer setFireDate:[NSDate distantFuture]];//关闭定时器
    }
    self.backgroundColor = [UIColor orangeColor];
    return self;
}
//---------------------------------------------------------------------------------

-(void)timerAction:(NSTimer *)timer{
    if (_totalNum>1) {
        CGPoint newOffset = _scrollView.contentOffset;
        newOffset.x = newOffset.x + CGRectGetWidth(_scrollView.frame);
        //    NSLog(@"newOffset.x = %f",newOffset.x);
        if (newOffset.x > (CGRectGetWidth(_scrollView.frame) * (_totalNum-1))) {
            newOffset.x = 0 ;
        }
        int index = newOffset.x / CGRectGetWidth(_scrollView.frame);   //当前是第几个视图
        newOffset.x = index * CGRectGetWidth(_scrollView.frame);
        _imageNum.text = [NSString stringWithFormat:@"%d / %d",index+1,(int)_totalNum];
        [_scrollView setContentOffset:newOffset animated:YES];
    }else{
        [_timer setFireDate:[NSDate distantFuture]];//关闭定时器
    }
}

#pragma mark- PageControl绑定ScrollView
- (void)scrollViewDidScroll:(UIScrollView *)scrollView{
   
    if ([scrollView isMemberOfClass:[UITableView class]]) {
        
    }else {
        int index = fabs(scrollView.contentOffset.x) / scrollView.frame.size.width;   //当前是第几个视图
        _pageControl.currentPage = index;
        _imageNum.text = [NSString stringWithFormat:@"%d / %d",(int)_pageControl.currentPage+1,(int)_totalNum];
    }
}
- (void)setImgArray:(NSArray *)imgArray{
    
    _imgArray = imgArray;
    _totalNum = [imgArray count];
  
    for (int i = 0; i<_totalNum; i++) {
        UIImageView *img = [[UIImageView alloc]initWithFrame:CGRectMake(i*CGRectGetWidth(_scrollView.frame), 0, CGRectGetWidth(_scrollView.frame), CGRectGetHeight(_scrollView.frame))];
        img.contentMode = UIViewContentModeScaleAspectFill;
        //img.image = [UIImage imageNamed:imgArray[i]];
        [img setClipsToBounds:YES];
        img.image = [UIImage imageNamed:imgArray[i]];
        [img setTag:i];
        
        //把手势添加到指定视图上
        [img setUserInteractionEnabled:YES];
        UITapGestureRecognizer *tapGesture  = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(skipToADLink:)];
        [img addGestureRecognizer:tapGesture];
        
        [_scrollView addSubview:img];
    }
    _imageNum.text = [NSString stringWithFormat:@"%d / %d",(int)_pageControl.currentPage+1,(int)_totalNum];
    _pageControl.numberOfPages = _totalNum; //设置页数 //滚动范围 600=300*2，分2页
    CGRect frame;
    frame = _pageControl.frame;
    frame.size.width = 15*_totalNum;
    _pageControl.frame = frame;
    
    _scrollView.contentSize = CGSizeMake(CGRectGetWidth(_scrollView.frame)*_totalNum,CGRectGetHeight(_scrollView.frame));//滚动范围 600=300*2，分2页

}

//程序内跳转
-(void)skipToADLink:(UITapGestureRecognizer *)gesture
{
    
}

- (void)openTimer{
    [_timer setFireDate:[NSDate distantPast]];//开启定时器
}
- (void)closeTimer{
    [_timer setFireDate:[NSDate distantFuture]];//关闭定时器
}


@end