ios/Timi/Class/Base/Utils/GuidePage/GuidePageView.m

//
//  GuidePageView.m
//  ShangHaiShiKe
//
//  Created by mac mini on 15/6/13.
//  Copyright (c) 2015年 翟玉磊. All rights reserved.
//

#import "GuidePageView.h"

#define PAGEVIEW_WIDTH 100
#define BACKBUTTON_WIDTH  95   //立即体验按钮的宽和高

@implementation GuidePageView {
    NSArray     * _images;
}

- (id)initWithFrame:(CGRect)frame images:(NSArray *)array {
    self = [super initWithFrame:frame];
    if (self) {
        _images = [NSArray arrayWithArray:array];
        [self initVIewUI];  //初始化
    }
    return self;
}
- (void)initVIewUI {
    
    //初始化空间
    mainScrollView = [[UIScrollView alloc] initWithFrame:self.bounds];
    [mainScrollView setContentSize:CGSizeMake(self.f_width * _images.count, mainScrollView.contentSize.height)];   //滚动范围
    [mainScrollView setDelegate:self];
    [mainScrollView setBackgroundColor:[UIColor clearColor]];  //背景颜色
    [mainScrollView setPagingEnabled:YES];              //是否整页滚动
    [mainScrollView setBounces:NO];   //遇到边框是否反弹
    [mainScrollView setShowsHorizontalScrollIndicator:NO];  //是否显示水平方向的滚动条
    [self addSubview:mainScrollView];
    
    //添加引导图
    for (int i = 0; i < _images.count; i++) {
        UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(self.f_width * i, 0, self.f_width, self.f_heigh)];
        imageView.contentMode = UIViewContentModeScaleAspectFit;
        [imageView setImage:[UIImage imageNamed:[_images objectAtIndex:i]]];
        [imageView setBackgroundColor:Color_White];
        [mainScrollView addSubview:imageView];
        
        //体验按钮
        if (i == _images.count - 1) {
            backBut = [UIButton buttonWithType:UIButtonTypeCustom];
            [backBut setFrame:CGRectMake(self.f_width * i, 0, self.f_width, self.f_heigh)];
            [backBut setBackgroundColor:[UIColor clearColor]];
            [backBut addTarget:self action:@selector(backButAction:) forControlEvents:UIControlEventTouchUpInside];
            [mainScrollView addSubview:backBut];
        }
    }
    
    pageView = [[UIPageControl alloc] initWithFrame:CGRectMake((SCREEN_WIDTH - PAGEVIEW_WIDTH)/2, SCREEN_HEIGHT - 30, PAGEVIEW_WIDTH,10)];
    pageView.numberOfPages = _images.count;
    pageView.currentPage = 0;
    [pageView setCurrentPageIndicatorTintColor:RGBA(150, 150, 150, 1)];
    [pageView setPageIndicatorTintColor:RGBA(134, 163, 87, 1)];
//    [self addSubview:pageView];
}

//点击事件
- (void)backButAction:(id)sender {
    self->_GuidePageViewBack();
}

#pragma mark - UIScrollViewDelegate
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {

    CGFloat page = floor((scrollView.contentOffset.x - scrollView.frame.size.width / 2) / scrollView.frame.size.width) + 1;
    pageView.currentPage = page;
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end