You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
906 lines
33 KiB
906 lines
33 KiB
4 years ago
|
//
|
||
|
|
// YJBannerView.m
|
||
|
|
// YJBannerViewDemo
|
||
|
|
//
|
||
|
|
// Created by YJHou on 2015/5/24.
|
||
|
|
// Copyright © 2015年 Address:https://github.com/stackhou/YJBannerViewOC . All rights reserved.
|
||
|
|
//
|
||
|
|
|
||
|
|
/**
|
||
|
|
__ __ _ ____ __ ___
|
||
|
|
\ \ / / | | __ ) __ _ _ __ _ __ ___ _ __ \ / (_) _____ __
|
||
|
|
\ V / | | _ \ / _` | '_ \| '_ \ / _ \ '__\ \ / /| |/ _ \ \ /\ / /
|
||
|
|
| | |_| | |_) | (_| | | | | | | | __/ | \ V / | | __/\ V V /
|
||
|
|
|_|\___/|____/ \__,_|_| |_|_| |_|\___|_| \_/ |_|\___| \_/\_/
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
#import "YJBannerView.h"
|
||
|
|
#import "YJBannerViewCell.h"
|
||
|
|
#import "UIView+YJBannerViewExt.h"
|
||
|
|
#import "YJHollowPageControl.h"
|
||
|
|
#import "YJBannerViewFooter.h"
|
||
|
|
|
||
|
|
static NSString *const bannerViewCellId = @"YJBannerView";
|
||
|
|
static NSString *const bannerViewFooterId = @"YJBannerViewFooter";
|
||
|
|
static NSInteger const totalCollectionViewCellCount = 200;
|
||
|
|
#define kPageControlDotDefaultSize CGSizeMake(8, 8)
|
||
|
|
#define BANNER_FOOTER_HEIGHT 49.0
|
||
|
|
|
||
|
|
@interface YJBannerView () <UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout> {
|
||
|
|
YJBannerViewCollectionView *_collectionView;
|
||
|
|
UICollectionViewFlowLayout *_flowLayout;
|
||
|
|
}
|
||
|
|
|
||
|
|
@property (nonatomic, weak) UIControl *pageControl;
|
||
|
|
@property (nonatomic, weak) NSTimer *timer;
|
||
|
|
@property (nonatomic, assign) NSInteger totalBannerItemsCount;
|
||
|
|
@property (nonatomic, strong) NSArray *saveScrollViewGestures;
|
||
|
|
@property (nonatomic, strong) YJBannerViewFooter *bannerFooter;
|
||
|
|
@property (nonatomic, strong) NSArray *showNewDatasource;
|
||
|
|
@property (nonatomic, assign) CGFloat lastContentOffset;
|
||
|
|
|
||
|
|
@end
|
||
|
|
|
||
|
|
@implementation YJBannerView
|
||
|
|
@synthesize autoScroll = _autoScroll;
|
||
|
|
@synthesize cycleScrollEnable = _cycleScrollEnable;
|
||
|
|
@synthesize bannerImageViewContentMode = _bannerImageViewContentMode;
|
||
|
|
@synthesize pageControlNormalColor = _pageControlNormalColor;
|
||
|
|
@synthesize pageControlHighlightColor = _pageControlHighlightColor;
|
||
|
|
|
||
|
|
#pragma mark - Public API
|
||
|
|
+ (YJBannerView *)bannerViewWithFrame:(CGRect)frame
|
||
|
|
dataSource:(id<YJBannerViewDataSource>)dataSource
|
||
|
|
delegate:(id<YJBannerViewDelegate>)delegate
|
||
|
|
emptyImage:(UIImage *)emptyImage
|
||
|
|
placeholderImage:(UIImage *)placeholderImage
|
||
|
|
selectorString:(NSString *)selectorString{
|
||
|
|
|
||
|
|
YJBannerView *bannerView = [[YJBannerView alloc] initWithFrame:frame];
|
||
|
|
bannerView.dataSource = dataSource;
|
||
|
|
bannerView.delegate = delegate;
|
||
|
|
bannerView.bannerViewSelectorString = selectorString;
|
||
|
|
bannerView.emptyImage = emptyImage;
|
||
|
|
bannerView.placeholderImage = placeholderImage;
|
||
|
|
|
||
|
|
return bannerView;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)reloadData{
|
||
|
|
|
||
|
|
[self invalidateTimer];
|
||
|
|
self.showNewDatasource = [self _getImageDataSources];
|
||
|
|
|
||
|
|
// Hidden when data source is greater than zero
|
||
|
|
self.backgroundImageView.hidden = ([self _imageDataSources].count > 0);
|
||
|
|
|
||
|
|
if ([self _imageDataSources].count > 1) {
|
||
|
|
self.collectionView.scrollEnabled = YES;
|
||
|
|
[self setAutoScroll:self.autoScroll];
|
||
|
|
} else {
|
||
|
|
|
||
|
|
if ([self _imageDataSources].count == 0) { self.showFooter = NO; }
|
||
|
|
|
||
|
|
BOOL isCan = ([self _imageDataSources].count == 0)?NO:(self.showFooter?YES:NO);
|
||
|
|
|
||
|
|
self.collectionView.scrollEnabled = isCan;
|
||
|
|
|
||
|
|
[self invalidateTimerWhenAutoScroll];
|
||
|
|
}
|
||
|
|
|
||
|
|
[self _setFooterViewCanShow:self.showFooter];
|
||
|
|
[self _setupPageControl];
|
||
|
|
|
||
|
|
// Regist Custom Cell
|
||
|
|
if (self.dataSource && [self.dataSource respondsToSelector:@selector(bannerViewRegistCustomCellClass:)] && [self.dataSource bannerViewRegistCustomCellClass:self]) {
|
||
|
|
NSArray *clazzs = [self.dataSource bannerViewRegistCustomCellClass:self];
|
||
|
|
for (Class clazz in clazzs) {
|
||
|
|
[self.collectionView registerClass:clazz forCellWithReuseIdentifier:NSStringFromClass(clazz)];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
[self.collectionView reloadData];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (instancetype)initWithFrame:(CGRect)frame{
|
||
|
|
self = [super initWithFrame:frame];
|
||
|
|
if (self) {
|
||
|
|
[self _initSetting];
|
||
|
|
[self addSubview:self.collectionView];
|
||
|
|
}
|
||
|
|
return self;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (id)initWithCoder:(NSCoder *)aDecoder{
|
||
|
|
if (self = [super initWithCoder:aDecoder]) {
|
||
|
|
[self _initSetting];
|
||
|
|
[self addSubview:self.collectionView];
|
||
|
|
}
|
||
|
|
return self;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)awakeFromNib{
|
||
|
|
[super awakeFromNib];
|
||
|
|
[self _initSetting];
|
||
|
|
[self addSubview:self.collectionView];
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Initialize the default settings */
|
||
|
|
- (void)_initSetting{
|
||
|
|
|
||
|
|
self.backgroundColor = [UIColor whiteColor];
|
||
|
|
_autoDuration = 3.0;
|
||
|
|
_autoScroll = YES;
|
||
|
|
_pageControlStyle = PageControlSystem;
|
||
|
|
_pageControlAliment = PageControlAlimentCenter;
|
||
|
|
_pageControlDotSize = kPageControlDotDefaultSize;
|
||
|
|
_pageControlBottomMargin = 10.0f;
|
||
|
|
_pageControlHorizontalEdgeMargin = 10.0f;
|
||
|
|
_pageControlPadding = 5.0f;
|
||
|
|
|
||
|
|
_titleHeight = 30.0f;
|
||
|
|
_titleEdgeMargin = 10.0f;
|
||
|
|
_titleAlignment = NSTextAlignmentLeft;
|
||
|
|
_bannerGestureEnable = YES;
|
||
|
|
_cycleScrollEnable = YES;
|
||
|
|
|
||
|
|
_showFooter = NO;
|
||
|
|
_footerIndicateImageName = @"YJBannerView.bundle/yjbanner_arrow.png";
|
||
|
|
_footerNormalTitle = TFLocalizedString(@"拖动查看详情");
|
||
|
|
_footerTriggerTitle = TFLocalizedString(@"释放查看详情");
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - Setter && Getter
|
||
|
|
- (void)setEmptyImage:(UIImage *)emptyImage{
|
||
|
|
_emptyImage = emptyImage;
|
||
|
|
if (emptyImage) {
|
||
|
|
self.backgroundImageView.image = emptyImage;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setPageControlDotSize:(CGSize)pageControlDotSize{
|
||
|
|
|
||
|
|
_pageControlDotSize = pageControlDotSize;
|
||
|
|
|
||
|
|
[self _setupPageControl];
|
||
|
|
if ([self.pageControl isKindOfClass:[YJHollowPageControl class]]) {
|
||
|
|
YJHollowPageControl *pageContol = (YJHollowPageControl *)_pageControl;
|
||
|
|
pageContol.dotSize = pageControlDotSize;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setPageControlStyle:(PageControlStyle)pageControlStyle{
|
||
|
|
|
||
|
|
_pageControlStyle = pageControlStyle;
|
||
|
|
|
||
|
|
[self _setupPageControl];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setPageControlNormalColor:(UIColor *)pageControlNormalColor{
|
||
|
|
|
||
|
|
_pageControlNormalColor = pageControlNormalColor;
|
||
|
|
|
||
|
|
if ([self.pageControl isKindOfClass:[YJHollowPageControl class]]) {
|
||
|
|
YJHollowPageControl *pageControl = (YJHollowPageControl *)_pageControl;
|
||
|
|
pageControl.dotNormalColor = pageControlNormalColor;
|
||
|
|
}else if ([self.pageControl isKindOfClass:[UIPageControl class]]) {
|
||
|
|
UIPageControl *pageControl = (UIPageControl *)_pageControl;
|
||
|
|
pageControl.pageIndicatorTintColor = pageControlNormalColor;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setPageControlHighlightColor:(UIColor *)pageControlHighlightColor{
|
||
|
|
|
||
|
|
_pageControlHighlightColor = pageControlHighlightColor;
|
||
|
|
|
||
|
|
if ([self.pageControl isKindOfClass:[YJHollowPageControl class]]) {
|
||
|
|
YJHollowPageControl *pageControl = (YJHollowPageControl *)_pageControl;
|
||
|
|
pageControl.dotCurrentColor = pageControlHighlightColor;
|
||
|
|
} else if ([self.pageControl isKindOfClass:[UIPageControl class]]){
|
||
|
|
UIPageControl *pageControl = (UIPageControl *)_pageControl;
|
||
|
|
pageControl.currentPageIndicatorTintColor = pageControlHighlightColor;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setCustomPageControlNormalImage:(UIImage *)customPageControlNormalImage{
|
||
|
|
_customPageControlNormalImage = customPageControlNormalImage;
|
||
|
|
[self setCustomPageControlDotImage:customPageControlNormalImage isCurrentPageDot:NO];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setCustomPageControlHighlightImage:(UIImage *)customPageControlHighlightImage{
|
||
|
|
_customPageControlHighlightImage = customPageControlHighlightImage;
|
||
|
|
[self setCustomPageControlDotImage:customPageControlHighlightImage isCurrentPageDot:YES];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setCustomPageControlDotImage:(UIImage *)image isCurrentPageDot:(BOOL)isCurrentPageDot{
|
||
|
|
|
||
|
|
if (!image || !self.pageControl) return;
|
||
|
|
|
||
|
|
if ([self.pageControl isKindOfClass:[YJHollowPageControl class]]) {
|
||
|
|
YJHollowPageControl *pageControl = (YJHollowPageControl *)_pageControl;
|
||
|
|
if (isCurrentPageDot) {
|
||
|
|
pageControl.dotCurrentImage = image;
|
||
|
|
} else {
|
||
|
|
pageControl.dotNormalImage = image;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setAutoScroll:(BOOL)autoScroll{
|
||
|
|
|
||
|
|
_autoScroll = autoScroll;
|
||
|
|
[self invalidateTimer];
|
||
|
|
if (autoScroll) {
|
||
|
|
[self _setupTimer];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setBannerViewScrollDirection:(BannerViewDirection)bannerViewScrollDirection{
|
||
|
|
|
||
|
|
if (self.showFooter && bannerViewScrollDirection != BannerViewDirectionLeft) {
|
||
|
|
bannerViewScrollDirection = BannerViewDirectionLeft;
|
||
|
|
}
|
||
|
|
|
||
|
|
_bannerViewScrollDirection = bannerViewScrollDirection;
|
||
|
|
|
||
|
|
if (bannerViewScrollDirection == BannerViewDirectionLeft || bannerViewScrollDirection == BannerViewDirectionRight) {
|
||
|
|
self.flowLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
|
||
|
|
}else if (bannerViewScrollDirection == BannerViewDirectionTop || bannerViewScrollDirection == BannerViewDirectionBottom){
|
||
|
|
self.flowLayout.scrollDirection = UICollectionViewScrollDirectionVertical;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setAutoDuration:(CGFloat)autoDuration{
|
||
|
|
|
||
|
|
_autoDuration = autoDuration;
|
||
|
|
[self setAutoScroll:self.autoScroll];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setBannerGestureEnable:(BOOL)bannerGestureEnable{
|
||
|
|
if (_bannerGestureEnable && bannerGestureEnable) { // 不操作
|
||
|
|
}else if (!_bannerGestureEnable && bannerGestureEnable){
|
||
|
|
self.collectionView.canCancelContentTouches = YES;
|
||
|
|
for (NSInteger i = 0; i < self.saveScrollViewGestures.count; i++) {
|
||
|
|
UIGestureRecognizer *gesture = self.saveScrollViewGestures[i];
|
||
|
|
[self.collectionView addGestureRecognizer:gesture];
|
||
|
|
}
|
||
|
|
}else if (_bannerGestureEnable && !bannerGestureEnable){
|
||
|
|
self.collectionView.canCancelContentTouches = NO;
|
||
|
|
for (UIGestureRecognizer *gesture in self.collectionView.gestureRecognizers) {
|
||
|
|
[self.collectionView removeGestureRecognizer:gesture];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_bannerGestureEnable = bannerGestureEnable;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)setBannerImageViewContentMode:(UIViewContentMode)bannerImageViewContentMode{
|
||
|
|
_bannerImageViewContentMode = bannerImageViewContentMode;
|
||
|
|
self.backgroundImageView.contentMode = bannerImageViewContentMode;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSInteger)repeatCount{
|
||
|
|
if (_repeatCount <= 0) {
|
||
|
|
return totalCollectionViewCellCount;
|
||
|
|
}else{
|
||
|
|
if (_repeatCount % 2 != 0) {
|
||
|
|
return _repeatCount + 1;
|
||
|
|
}else{
|
||
|
|
return _repeatCount;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - Getter
|
||
|
|
- (NSInteger)totalBannerItemsCount{
|
||
|
|
|
||
|
|
return self.cycleScrollEnable?(([self _imageDataSources].count > 1)?([self _imageDataSources].count * self.repeatCount):[self _imageDataSources].count):([self _imageDataSources].count);
|
||
|
|
}
|
||
|
|
|
||
|
|
- (BOOL)autoScroll{
|
||
|
|
if (self.showFooter) {
|
||
|
|
return NO;
|
||
|
|
}
|
||
|
|
return _autoScroll;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (BOOL)cycleScrollEnable{
|
||
|
|
if (self.showFooter) {
|
||
|
|
return NO;
|
||
|
|
}
|
||
|
|
return _cycleScrollEnable;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UIFont *)titleFont{
|
||
|
|
if (!_titleFont) {
|
||
|
|
_titleFont = kMainFont;
|
||
|
|
}
|
||
|
|
return _titleFont;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UIColor *)titleTextColor{
|
||
|
|
if (!_titleTextColor) {
|
||
|
|
_titleTextColor = [UIColor whiteColor];
|
||
|
|
}
|
||
|
|
return _titleTextColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UIColor *)titleBackgroundColor{
|
||
|
|
if (!_titleBackgroundColor) {
|
||
|
|
_titleBackgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.5];
|
||
|
|
}
|
||
|
|
return _titleBackgroundColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UIFont *)footerTitleFont{
|
||
|
|
if (!_footerTitleFont) {
|
||
|
|
_footerTitleFont = kFont12;
|
||
|
|
}
|
||
|
|
return _footerTitleFont;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UIColor *)footerTitleColor{
|
||
|
|
if (!_footerTitleColor) {
|
||
|
|
_footerTitleColor = [UIColor darkGrayColor];
|
||
|
|
}
|
||
|
|
return _footerTitleColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UIViewContentMode)bannerImageViewContentMode{
|
||
|
|
if (!_bannerImageViewContentMode) {
|
||
|
|
_bannerImageViewContentMode = UIViewContentModeScaleAspectFill;
|
||
|
|
}
|
||
|
|
return _bannerImageViewContentMode;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UIColor *)pageControlNormalColor{
|
||
|
|
if (!_pageControlNormalColor) {
|
||
|
|
_pageControlNormalColor = [UIColor lightGrayColor];
|
||
|
|
}
|
||
|
|
return _pageControlNormalColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UIColor *)pageControlHighlightColor{
|
||
|
|
if (!_pageControlHighlightColor) {
|
||
|
|
_pageControlHighlightColor = [UIColor whiteColor];
|
||
|
|
}
|
||
|
|
return _pageControlHighlightColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSArray *)saveScrollViewGestures{
|
||
|
|
if (!_saveScrollViewGestures) {
|
||
|
|
_saveScrollViewGestures = self.collectionView.gestureRecognizers;
|
||
|
|
}
|
||
|
|
return _saveScrollViewGestures;
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - layoutSubviews
|
||
|
|
- (void)layoutSubviews{
|
||
|
|
[super layoutSubviews];
|
||
|
|
|
||
|
|
self.dataSource = self.dataSource;
|
||
|
|
[super layoutSubviews];
|
||
|
|
|
||
|
|
self.flowLayout.itemSize = self.frame.size;
|
||
|
|
|
||
|
|
self.collectionView.frame = self.bounds;
|
||
|
|
|
||
|
|
if (self.collectionView.contentOffset.x == 0 && self.totalBannerItemsCount) {
|
||
|
|
NSInteger targetIndex = self.cycleScrollEnable?(self.totalBannerItemsCount * 0.5):(0);
|
||
|
|
[self _scrollBannerViewToSpecifiedPositionIndex:targetIndex animated:NO];
|
||
|
|
}
|
||
|
|
|
||
|
|
CGSize size = CGSizeZero;
|
||
|
|
|
||
|
|
if ([self.pageControl isKindOfClass:[YJHollowPageControl class]]) {
|
||
|
|
|
||
|
|
YJHollowPageControl *pageControl = (YJHollowPageControl *)_pageControl;
|
||
|
|
|
||
|
|
if (!(self.customPageControlNormalImage && self.customPageControlHighlightImage && CGSizeEqualToSize(kPageControlDotDefaultSize, self.pageControlDotSize))) {
|
||
|
|
pageControl.dotSize = self.pageControlDotSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
size = [pageControl sizeForNumberOfPages:[self _imageDataSources].count];
|
||
|
|
} else {
|
||
|
|
size = CGSizeMake([self _imageDataSources].count * self.pageControlDotSize.width * 1.5, self.pageControlDotSize.height);
|
||
|
|
}
|
||
|
|
CGFloat x = (self.width_bannerView - size.width) * 0.5;
|
||
|
|
if (self.pageControlAliment == PageControlAlimentLeft) {
|
||
|
|
x = 0.0f;
|
||
|
|
}else if (self.pageControlAliment == PageControlAlimentCenter){
|
||
|
|
}else if (self.pageControlAliment == PageControlAlimentRight){
|
||
|
|
x = self.collectionView.width_bannerView - size.width;
|
||
|
|
}
|
||
|
|
|
||
|
|
CGFloat y = self.collectionView.height_bannerView - size.height;
|
||
|
|
|
||
|
|
if ([self.pageControl isKindOfClass:[YJHollowPageControl class]]) {
|
||
|
|
|
||
|
|
YJHollowPageControl *pageControl = (YJHollowPageControl *)_pageControl;
|
||
|
|
[pageControl sizeToFit];
|
||
|
|
}
|
||
|
|
|
||
|
|
CGRect pageControlFrame = CGRectMake(x, y, size.width, size.height);
|
||
|
|
if (self.pageControlAliment == PageControlAlimentLeft) {
|
||
|
|
pageControlFrame.origin.x += self.pageControlHorizontalEdgeMargin;
|
||
|
|
}else if (self.pageControlAliment == PageControlAlimentRight){
|
||
|
|
pageControlFrame.origin.x -= self.pageControlHorizontalEdgeMargin;
|
||
|
|
}
|
||
|
|
pageControlFrame.origin.y -= self.pageControlBottomMargin;
|
||
|
|
self.pageControl.frame = pageControlFrame;
|
||
|
|
|
||
|
|
self.pageControl.hidden = self.pageControlStyle == PageControlNone;
|
||
|
|
|
||
|
|
if (self.backgroundImageView) {
|
||
|
|
self.backgroundImageView.frame = self.bounds;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - Resolve compatibility optimization issues
|
||
|
|
- (void)willMoveToSuperview:(UIView *)newSuperview{
|
||
|
|
if (!newSuperview) {
|
||
|
|
[self invalidateTimer];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)adjustBannerViewScrollToIndex:(NSInteger)index animated:(BOOL)animated{
|
||
|
|
|
||
|
|
if (self.showNewDatasource.count == 0) { return; }
|
||
|
|
if (index >= 0 && index < self.showNewDatasource.count) {
|
||
|
|
if (self.autoScroll) { [self invalidateTimer]; }
|
||
|
|
|
||
|
|
[self _scrollToIndex:((int)(self.totalBannerItemsCount * 0.5 + index)) animated:animated];
|
||
|
|
|
||
|
|
if (self.autoScroll) { [self _setupTimer]; }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)adjustBannerViewWhenCardScreen{
|
||
|
|
|
||
|
|
long targetIndex = [self _currentPageIndex];
|
||
|
|
if (targetIndex < self.totalBannerItemsCount) {
|
||
|
|
[self _scrollBannerViewToSpecifiedPositionIndex:targetIndex animated:NO];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - UICollectionViewDataSource
|
||
|
|
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
|
||
|
|
return self.totalBannerItemsCount;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
|
||
|
|
|
||
|
|
YJBannerViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:bannerViewCellId forIndexPath:indexPath];
|
||
|
|
long itemIndex = [self _getRealIndexFromCurrentCellIndex:indexPath.item];
|
||
|
|
|
||
|
|
// Custom Cell
|
||
|
|
if (self.dataSource && [self.dataSource respondsToSelector:@selector(bannerViewRegistCustomCellClass:)] && [self.dataSource bannerViewRegistCustomCellClass:self] && [self.dataSource respondsToSelector:@selector(bannerView:customCell:index:)] && [self.dataSource respondsToSelector:@selector(bannerView:reuseIdentifierForIndex:)]) {
|
||
|
|
|
||
|
|
NSString *reuseIdentifier = NSStringFromClass([self.dataSource bannerView:self reuseIdentifierForIndex:itemIndex]);
|
||
|
|
if (reuseIdentifier.length > 0) {
|
||
|
|
UICollectionViewCell *customCell = [collectionView dequeueReusableCellWithReuseIdentifier:reuseIdentifier forIndexPath:indexPath];
|
||
|
|
|
||
|
|
if ([self.dataSource bannerView:self customCell:customCell index:itemIndex]) {
|
||
|
|
return customCell;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
NSString *imagePath = (itemIndex < [self _imageDataSources].count)?[self _imageDataSources][itemIndex]:nil;
|
||
|
|
NSString *title = (itemIndex < [self _titlesDataSources].count)?[self _titlesDataSources][itemIndex]:nil;
|
||
|
|
|
||
|
|
if (!cell.isConfigured) {
|
||
|
|
cell.titleLabelBackgroundColor = self.titleBackgroundColor;
|
||
|
|
cell.titleLabelHeight = self.titleHeight;
|
||
|
|
cell.titleLabelEdgeMargin = self.titleEdgeMargin;
|
||
|
|
cell.titleLabelTextAlignment = self.titleAlignment;
|
||
|
|
cell.titleLabelTextColor = self.titleTextColor;
|
||
|
|
cell.titleLabelTextFont = self.titleFont;
|
||
|
|
cell.showImageViewContentMode = self.bannerImageViewContentMode;
|
||
|
|
cell.clipsToBounds = YES;
|
||
|
|
cell.isConfigured = YES;
|
||
|
|
}
|
||
|
|
|
||
|
|
[cell cellWithSelectorString:self.bannerViewSelectorString imagePath:imagePath placeholderImage:self.placeholderImage title:title];
|
||
|
|
|
||
|
|
return cell;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Setting Footer Size
|
||
|
|
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section{
|
||
|
|
return CGSizeMake((self.showFooter && [self _imageDataSources].count != 0)?[self _bannerViewFooterHeight]:0.0f, self.frame.size.height);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Footer
|
||
|
|
- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath{
|
||
|
|
|
||
|
|
if(kind == UICollectionElementKindSectionFooter){
|
||
|
|
|
||
|
|
YJBannerViewFooter *footer = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionFooter withReuseIdentifier:bannerViewFooterId forIndexPath:indexPath];
|
||
|
|
self.bannerFooter = footer;
|
||
|
|
|
||
|
|
footer.IndicateImageName = self.footerIndicateImageName;
|
||
|
|
footer.footerTitleFont = self.footerTitleFont;
|
||
|
|
footer.footerTitleColor = self.footerTitleColor;
|
||
|
|
footer.idleTitle = self.footerNormalTitle;
|
||
|
|
footer.triggerTitle = self.footerTriggerTitle;
|
||
|
|
|
||
|
|
footer.hidden = !(self.showFooter && [self _imageDataSources].count != 0);
|
||
|
|
|
||
|
|
return footer;
|
||
|
|
}else{
|
||
|
|
UICollectionReusableView *collectionHeaderView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"HeaderView" forIndexPath:indexPath];
|
||
|
|
return collectionHeaderView;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - UIScrollViewDelegate
|
||
|
|
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(bannerView:didSelectItemAtIndex:)]) {
|
||
|
|
[self.delegate bannerView:self didSelectItemAtIndex:[self _getRealIndexFromCurrentCellIndex:indexPath.item]];
|
||
|
|
}
|
||
|
|
if (self.didSelectItemAtIndexBlock) {
|
||
|
|
self.didSelectItemAtIndexBlock([self _getRealIndexFromCurrentCellIndex:indexPath.item]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)scrollViewDidScroll:(UIScrollView *)scrollView{
|
||
|
|
|
||
|
|
if (![self _imageDataSources].count) return;
|
||
|
|
int itemIndex = [self _currentPageIndex];
|
||
|
|
int indexOnPageControl = [self _getRealIndexFromCurrentCellIndex:itemIndex];
|
||
|
|
|
||
|
|
// 手动退拽时左右两端
|
||
|
|
if (scrollView == self.collectionView && scrollView.isDragging && self.cycleScrollEnable) {
|
||
|
|
NSInteger targetIndex = self.totalBannerItemsCount * 0.5;
|
||
|
|
if (itemIndex == 0) { // top
|
||
|
|
[self _scrollBannerViewToSpecifiedPositionIndex:targetIndex animated:NO];
|
||
|
|
}else if (itemIndex == (self.totalBannerItemsCount - 1)){ // bottom
|
||
|
|
targetIndex -= 1;
|
||
|
|
[self _scrollBannerViewToSpecifiedPositionIndex:targetIndex animated:NO];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// pageControl
|
||
|
|
if ([self.pageControl isKindOfClass:[YJHollowPageControl class]]) {
|
||
|
|
YJHollowPageControl *pageControl = (YJHollowPageControl *)_pageControl;
|
||
|
|
pageControl.currentPage = indexOnPageControl;
|
||
|
|
} else {
|
||
|
|
UIPageControl *pageControl = (UIPageControl *)_pageControl;
|
||
|
|
pageControl.currentPage = indexOnPageControl;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Footer
|
||
|
|
if (self.showFooter) {
|
||
|
|
static CGFloat lastOffset;
|
||
|
|
CGFloat footerDisplayOffset = (self.collectionView.contentOffset.x - (self.flowLayout.itemSize.width * (self.totalBannerItemsCount - 1)));
|
||
|
|
|
||
|
|
if (footerDisplayOffset > 0){
|
||
|
|
if (footerDisplayOffset > [self _bannerViewFooterHeight]) {
|
||
|
|
if (lastOffset > 0) return;
|
||
|
|
self.bannerFooter.state = YJBannerViewStatusTrigger;
|
||
|
|
} else {
|
||
|
|
if (lastOffset < 0) return;
|
||
|
|
self.bannerFooter.state = YJBannerViewStatusIdle;
|
||
|
|
}
|
||
|
|
lastOffset = footerDisplayOffset - [self _bannerViewFooterHeight];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// contentOffset
|
||
|
|
[self _saveInitializationContentOffsetJudgeZero:YES];
|
||
|
|
CGFloat contentOffset = 0.0f;
|
||
|
|
if (self.flowLayout.scrollDirection == UICollectionViewScrollDirectionHorizontal) {
|
||
|
|
contentOffset = self.collectionView.contentOffset.x;
|
||
|
|
} else {
|
||
|
|
contentOffset = self.collectionView.contentOffset.y;
|
||
|
|
}
|
||
|
|
CGFloat distance = fabs(self.lastContentOffset - contentOffset);
|
||
|
|
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(bannerView:didScrollCurrentIndex:contentOffset:)]) {
|
||
|
|
[self.delegate bannerView:self didScrollCurrentIndex:indexOnPageControl contentOffset:distance];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{
|
||
|
|
[self invalidateTimerWhenAutoScroll];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{
|
||
|
|
|
||
|
|
[self startTimerWhenAutoScroll];
|
||
|
|
|
||
|
|
if (self.showFooter) {
|
||
|
|
CGFloat footerDisplayOffset = (self.collectionView.contentOffset.x - (self.flowLayout.itemSize.width * (self.totalBannerItemsCount - 1)));
|
||
|
|
|
||
|
|
if (footerDisplayOffset > [self _bannerViewFooterHeight]) {
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(bannerViewFooterDidEndTrigger:)]) {
|
||
|
|
[self.delegate bannerViewFooterDidEndTrigger:self];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self.didEndTriggerFooterBlock) {
|
||
|
|
self.didEndTriggerFooterBlock();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
|
||
|
|
[self scrollViewDidEndScrollingAnimation:self.collectionView];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)scrollViewDidEndScrollingAnimation:(UIScrollView *)scrollView{
|
||
|
|
if (![self _imageDataSources].count) return;
|
||
|
|
int itemIndex = [self _currentPageIndex];
|
||
|
|
int indexOnPageControl = [self _getRealIndexFromCurrentCellIndex:itemIndex];
|
||
|
|
|
||
|
|
if (self.delegate && [self.delegate respondsToSelector:@selector(bannerView:didScroll2Index:)]) {
|
||
|
|
[self.delegate bannerView:self didScroll2Index:indexOnPageControl];
|
||
|
|
}
|
||
|
|
if (self.didScroll2IndexBlock) {
|
||
|
|
self.didScroll2IndexBlock(indexOnPageControl);
|
||
|
|
}
|
||
|
|
|
||
|
|
[self _saveInitializationContentOffsetJudgeZero:NO];
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - Private function method
|
||
|
|
/** install PageControl */
|
||
|
|
- (void)_setupPageControl{
|
||
|
|
|
||
|
|
if (_pageControl) [_pageControl removeFromSuperview];
|
||
|
|
|
||
|
|
if ([self _imageDataSources].count == 0) {return;}
|
||
|
|
|
||
|
|
if ([self _imageDataSources].count == 1) {return;}
|
||
|
|
|
||
|
|
int indexOnPageControl = [self _getRealIndexFromCurrentCellIndex:[self _currentPageIndex]];
|
||
|
|
|
||
|
|
switch (self.pageControlStyle) {
|
||
|
|
case PageControlNone:{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case PageControlSystem:{
|
||
|
|
UIPageControl *pageControl = [[UIPageControl alloc] init];
|
||
|
|
pageControl.numberOfPages = [self _imageDataSources].count;
|
||
|
|
pageControl.currentPageIndicatorTintColor = self.pageControlHighlightColor;
|
||
|
|
pageControl.pageIndicatorTintColor = self.pageControlNormalColor;
|
||
|
|
pageControl.userInteractionEnabled = NO;
|
||
|
|
pageControl.currentPage = indexOnPageControl;
|
||
|
|
[self addSubview:pageControl];
|
||
|
|
_pageControl = pageControl;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case PageControlHollow:{
|
||
|
|
YJHollowPageControl *pageControl = [[YJHollowPageControl alloc] init];
|
||
|
|
pageControl.numberOfPages = [self _imageDataSources].count;
|
||
|
|
pageControl.dotNormalColor = self.pageControlNormalColor;
|
||
|
|
pageControl.dotCurrentColor = self.pageControlHighlightColor;
|
||
|
|
pageControl.userInteractionEnabled = NO;
|
||
|
|
pageControl.resizeScale = 1.0;
|
||
|
|
pageControl.spacing = self.pageControlPadding;
|
||
|
|
pageControl.currentPage = indexOnPageControl;
|
||
|
|
[self addSubview:pageControl];
|
||
|
|
_pageControl = pageControl;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case PageControlCustom:{
|
||
|
|
|
||
|
|
YJHollowPageControl *pageControl = [[YJHollowPageControl alloc] init];
|
||
|
|
pageControl.numberOfPages = [self _imageDataSources].count;
|
||
|
|
pageControl.dotNormalColor = self.pageControlNormalColor;
|
||
|
|
pageControl.dotCurrentColor = self.pageControlHighlightColor;
|
||
|
|
pageControl.userInteractionEnabled = NO;
|
||
|
|
pageControl.resizeScale = 1.0;
|
||
|
|
pageControl.spacing = self.pageControlPadding;
|
||
|
|
pageControl.currentPage = indexOnPageControl;
|
||
|
|
[self addSubview:pageControl];
|
||
|
|
_pageControl = pageControl;
|
||
|
|
|
||
|
|
if (self.customPageControlNormalImage) {
|
||
|
|
self.customPageControlNormalImage = self.customPageControlNormalImage;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self.customPageControlHighlightImage) {
|
||
|
|
self.customPageControlHighlightImage = self.customPageControlHighlightImage;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** install Timer */
|
||
|
|
- (void)_setupTimer{
|
||
|
|
|
||
|
|
[self invalidateTimer];
|
||
|
|
NSTimer *timer = [NSTimer scheduledTimerWithTimeInterval:self.autoDuration target:self selector:@selector(_automaticScrollAction) userInfo:nil repeats:YES];
|
||
|
|
_timer = timer;
|
||
|
|
[[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
|
||
|
|
}
|
||
|
|
|
||
|
|
/** stop timer */
|
||
|
|
- (void)invalidateTimer{
|
||
|
|
|
||
|
|
[_timer invalidate];
|
||
|
|
_timer = nil;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** stop timer api */
|
||
|
|
- (void)invalidateTimerWhenAutoScroll{
|
||
|
|
if (self.autoScroll) {
|
||
|
|
[self invalidateTimer];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** restart timer api */
|
||
|
|
- (void)startTimerWhenAutoScroll{
|
||
|
|
if (self.autoScroll) {
|
||
|
|
[self _setupTimer];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)_automaticScrollAction{
|
||
|
|
|
||
|
|
if (self.totalBannerItemsCount == 0) return;
|
||
|
|
int currentIndex = [self _currentPageIndex];
|
||
|
|
if (self.bannerViewScrollDirection == BannerViewDirectionLeft || self.bannerViewScrollDirection == BannerViewDirectionTop) {
|
||
|
|
[self _scrollToIndex:(currentIndex + 1) animated:YES];
|
||
|
|
}else if (self.bannerViewScrollDirection == BannerViewDirectionRight || self.bannerViewScrollDirection == BannerViewDirectionBottom){
|
||
|
|
if ((currentIndex - 1) < 0) { // 小于零
|
||
|
|
currentIndex = self.cycleScrollEnable?(self.totalBannerItemsCount * 0.5):(0);
|
||
|
|
[self _scrollBannerViewToSpecifiedPositionIndex:(currentIndex - 1) animated:NO];
|
||
|
|
}else{
|
||
|
|
[self _scrollToIndex:(currentIndex - 1) animated:YES];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)_scrollToIndex:(int)targetIndex animated:(BOOL)animated{
|
||
|
|
|
||
|
|
if (targetIndex >= self.totalBannerItemsCount) { // 超过最大
|
||
|
|
targetIndex = self.cycleScrollEnable?(self.totalBannerItemsCount * 0.5):(0);
|
||
|
|
[self _scrollBannerViewToSpecifiedPositionIndex:targetIndex animated:NO];
|
||
|
|
}else{
|
||
|
|
[self _scrollBannerViewToSpecifiedPositionIndex:targetIndex animated:animated];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** current page index */
|
||
|
|
- (int)_currentPageIndex{
|
||
|
|
|
||
|
|
if (self.collectionView.width_bannerView == 0 || self.collectionView.height_bannerView == 0) {return 0;}
|
||
|
|
int index = 0;
|
||
|
|
if (self.flowLayout.scrollDirection == UICollectionViewScrollDirectionHorizontal) {
|
||
|
|
index = (self.collectionView.contentOffset.x + self.flowLayout.itemSize.width * 0.5) / self.flowLayout.itemSize.width;
|
||
|
|
} else {
|
||
|
|
index = (self.collectionView.contentOffset.y + self.flowLayout.itemSize.height * 0.5) / self.flowLayout.itemSize.height;
|
||
|
|
}
|
||
|
|
return MAX(0, index);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** current real index */
|
||
|
|
- (int)_getRealIndexFromCurrentCellIndex:(NSInteger)cellIndex{
|
||
|
|
return (int)cellIndex % [self _imageDataSources].count;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSArray *)_imageDataSources{
|
||
|
|
return self.showNewDatasource;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Get new data from the proxy method */
|
||
|
|
- (NSArray *)_getImageDataSources{
|
||
|
|
if (self.dataSource && [self.dataSource respondsToSelector:@selector(bannerViewImages:)]) {
|
||
|
|
return [self.dataSource bannerViewImages:self];
|
||
|
|
}
|
||
|
|
return @[];
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Get new data from the proxy method */
|
||
|
|
- (NSArray *)_titlesDataSources{
|
||
|
|
if (self.dataSource && [self.dataSource respondsToSelector:@selector(bannerViewTitles:)]) {
|
||
|
|
return [self.dataSource bannerViewTitles:self];
|
||
|
|
}
|
||
|
|
return @[];
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Footer Height */
|
||
|
|
- (CGFloat)_bannerViewFooterHeight{
|
||
|
|
if (self.dataSource && [self.dataSource respondsToSelector:@selector(bannerViewFooterViewHeight:)]) {
|
||
|
|
return [self.dataSource bannerViewFooterViewHeight:self];
|
||
|
|
}
|
||
|
|
return BANNER_FOOTER_HEIGHT;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** reload 时控制尾巴的显示和消失 */
|
||
|
|
- (void)_setFooterViewCanShow:(BOOL)showFooter{
|
||
|
|
|
||
|
|
if (showFooter) {
|
||
|
|
self.bannerViewScrollDirection = BannerViewDirectionLeft;
|
||
|
|
self.collectionView.contentInset = UIEdgeInsetsMake(0, 0, 0, -[self _bannerViewFooterHeight]);
|
||
|
|
}else{
|
||
|
|
self.collectionView.contentInset = UIEdgeInsetsZero;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self.bannerViewScrollDirection == BannerViewDirectionLeft) {
|
||
|
|
self.collectionView.alwaysBounceHorizontal = showFooter;
|
||
|
|
}else {
|
||
|
|
self.collectionView.accessibilityViewIsModal = showFooter;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Scroll the CollectionView to the specified location */
|
||
|
|
- (void)_scrollBannerViewToSpecifiedPositionIndex:(NSInteger)targetIndex animated:(BOOL)animated{
|
||
|
|
NSInteger itemCount = [self.collectionView numberOfItemsInSection:0];
|
||
|
|
if (targetIndex < itemCount) {
|
||
|
|
[self.collectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForItem:targetIndex?:0 inSection:0] atScrollPosition:UICollectionViewScrollPositionNone animated:animated];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Save the current offset */
|
||
|
|
- (void)_saveInitializationContentOffsetJudgeZero:(BOOL)judgeZero{
|
||
|
|
|
||
|
|
if (self.collectionView.width_bannerView == 0 || self.collectionView.height_bannerView == 0) { return; }
|
||
|
|
if (judgeZero) {
|
||
|
|
if (self.lastContentOffset == 0) {
|
||
|
|
|
||
|
|
if (self.flowLayout.scrollDirection == UICollectionViewScrollDirectionHorizontal) {
|
||
|
|
self.lastContentOffset = self.collectionView.contentOffset.x;
|
||
|
|
} else {
|
||
|
|
self.lastContentOffset = self.collectionView.contentOffset.y;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}else{
|
||
|
|
if (self.flowLayout.scrollDirection == UICollectionViewScrollDirectionHorizontal) {
|
||
|
|
self.lastContentOffset = self.collectionView.contentOffset.x;
|
||
|
|
} else {
|
||
|
|
self.lastContentOffset = self.collectionView.contentOffset.y;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - Lazy
|
||
|
|
- (UIImageView *)backgroundImageView{
|
||
|
|
if (!_backgroundImageView) {
|
||
|
|
_backgroundImageView = [[UIImageView alloc] initWithFrame:CGRectZero];
|
||
|
|
_backgroundImageView.contentMode = self.bannerImageViewContentMode;
|
||
|
|
_backgroundImageView.clipsToBounds = YES;
|
||
|
|
[self insertSubview:_backgroundImageView belowSubview:self.collectionView];
|
||
|
|
}
|
||
|
|
return _backgroundImageView;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (UICollectionViewFlowLayout *)flowLayout{
|
||
|
|
if (!_flowLayout) {
|
||
|
|
_flowLayout = [[UICollectionViewFlowLayout alloc] init];
|
||
|
|
_flowLayout.minimumLineSpacing = 0.0f;
|
||
|
|
_flowLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
|
||
|
|
}
|
||
|
|
return _flowLayout;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (YJBannerViewCollectionView *)collectionView{
|
||
|
|
if (!_collectionView) {
|
||
|
|
_collectionView = [[YJBannerViewCollectionView alloc] initWithFrame:self.bounds collectionViewLayout:self.flowLayout];
|
||
|
|
_collectionView.pagingEnabled = YES;
|
||
|
|
_collectionView.showsHorizontalScrollIndicator = NO;
|
||
|
|
_collectionView.showsVerticalScrollIndicator = NO;
|
||
|
|
_collectionView.backgroundColor = [UIColor clearColor];
|
||
|
|
|
||
|
|
[_collectionView registerClass:[YJBannerViewCell class] forCellWithReuseIdentifier:bannerViewCellId];
|
||
|
|
[_collectionView registerClass:[YJBannerViewFooter class] forSupplementaryViewOfKind:UICollectionElementKindSectionFooter withReuseIdentifier:bannerViewFooterId];
|
||
|
|
|
||
|
|
_collectionView.dataSource = self;
|
||
|
|
_collectionView.delegate = self;
|
||
|
|
_collectionView.scrollsToTop = NO;
|
||
|
|
}
|
||
|
|
return _collectionView;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)dealloc {
|
||
|
|
self.collectionView.delegate = nil;
|
||
|
|
self.collectionView.dataSource = nil;
|
||
|
|
}
|
||
|
|
|
||
|
|
@end
|