//
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// HJCycleView.m
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// IphoneBIMe
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//
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// Created by ZhangJF on 2022/10/28.
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// Copyright © 2022 ProBIM. All rights reserved.
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//
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#import "HJCycleView.h"
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#import "CycleCollectionViewCell.h"
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#define kSelfWidth self.frame.size.width
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#define kSelfHeight self.frame.size.height
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static NSString *const ImageCellID = @"ImageCellID";
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@interface HJCycleView()<UICollectionViewDelegate,UICollectionViewDataSource,UIScrollViewDelegate, SDPhotoBrowserDelegate>{
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NSTimer *_timer; //暂时已把定时关闭
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}
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@property(nonatomic,strong)UICollectionView *collectionView;
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@property(nonatomic,strong)UIPageControl *pageControl;
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@property(nonatomic,strong)NSMutableArray *dataArr;
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@end
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@implementation HJCycleView
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-(instancetype)initWithFrame:(CGRect)frame andData:(NSArray*)dataArr{
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if (self = [super initWithFrame:frame]) {
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self.dataArr = [NSMutableArray arrayWithArray:dataArr];
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[self setUI];
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}
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return self;
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}
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- (void)setUI{
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[self addSubview:self.collectionView];
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[self addSubview:self.pageControl];
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}
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#pragma mark delegate && dataSource
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- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
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CycleCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:ImageCellID forIndexPath:indexPath];
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cell.imageUrl = [_dataArr objectAtIndex:indexPath.item];
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return cell;
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}
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- (void)collectionView:(UICollectionView *)collectionView didDeselectItemAtIndexPath:(NSIndexPath *)indexPath{
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if (self.returnBlock) {
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self.returnBlock(indexPath.row);
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}
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}
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- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
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SDPhotoBrowser *photoBrowser = [SDPhotoBrowser new];
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photoBrowser.delegate = self;
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photoBrowser.currentImageIndex = indexPath.item;
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photoBrowser.imageCount = _dataArr.count;
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// photoBrowser.sourceImagesContainerView = self.collectionView;
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[photoBrowser show];
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}
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- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView{
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return 1;
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}
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
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return _dataArr.count;
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}
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- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{
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// [_timer setFireDate:[NSDate distantFuture]];
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}
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- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
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NSInteger page = scrollView.contentOffset.x / kSelfWidth;
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_pageControl.currentPage = page;
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}
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#pragma mark getter
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- (UICollectionView *)collectionView{
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if (!_collectionView) {
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.itemSize = CGSizeMake(kSelfWidth, kSelfHeight);
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layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
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layout.minimumLineSpacing = 0;
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_collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, kSelfWidth, kSelfHeight) collectionViewLayout:layout];
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[_collectionView registerClass:[CycleCollectionViewCell class] forCellWithReuseIdentifier:ImageCellID];
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_collectionView.bounces = YES;
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_collectionView.showsHorizontalScrollIndicator = NO;
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_collectionView.pagingEnabled = YES;
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_collectionView.delegate = self;
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_collectionView.dataSource = self;
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_collectionView.backgroundColor = [UIColor whiteColor];
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}
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return _collectionView;
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}
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- (UIPageControl *)pageControl{
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if (!_pageControl) {
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_pageControl = [[UIPageControl alloc] initWithFrame:CGRectMake(0, kSelfHeight - 30, kSelfWidth, 10)];
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_pageControl.currentPage = 0;
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_pageControl.numberOfPages = self.dataArr.count;
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_pageControl.backgroundColor = [UIColor clearColor];
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_pageControl.pageIndicatorTintColor = [UIColor lightGrayColor];
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_pageControl.currentPageIndicatorTintColor = [UIColor colorWithRed:0 green:122 blue:255 alpha:1];
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}
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return _pageControl;
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}
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- (NSMutableArray *)dataArr{
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if (!_dataArr) {
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_dataArr = [NSMutableArray array];
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}
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return _dataArr;
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}
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- (void)setData:(NSArray *)data {
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_data = data;
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self.dataArr = [NSMutableArray arrayWithArray:data];
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_pageControl.currentPage = 1;
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_pageControl.numberOfPages = self.dataArr.count;
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[_collectionView reloadData];
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}
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-(void)dealloc{
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// if (_timer) {
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// [_timer invalidate];
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// _timer = nil;
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// }
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}
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#pragma mark - SDPhotoBrowserDelegate
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- (UIImage *)photoBrowser:(SDPhotoBrowser *)browser placeholderImageForIndex:(NSInteger)index {
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// 不建议用此种方式获取小图，这里只是为了简单实现展示而已
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CycleCollectionViewCell *cell = (CycleCollectionViewCell *)[self collectionView:self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:index inSection:0]];
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return cell.imageV.image;
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}
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@end
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