154 lines
4.8 KiB
Objective-C
154 lines
4.8 KiB
Objective-C
//
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// GIGaSharePageViewController.m
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// GIGA
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//
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// Created by lianxiang on 2018/10/12.
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// Copyright © 2018年 com.giga.ios. All rights reserved.
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//
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#import "GIGaSharePageViewController.h"
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@interface GIGaSharePageViewController ()<UIPageViewControllerDataSource,UIPageViewControllerDelegate,UIScrollViewDelegate>
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{
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BOOL _done; //是否翻页完成
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NSInteger _currentPage;//当前控制器对应下标
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}
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@property(nonatomic,strong) UIPageViewController *pageVC;
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//@property(nonatomic,strong) NSArray *titles;
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@property(nonatomic,strong) NSArray *viewControllers;
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@property(nonatomic,strong) UIPageControl *pageControl;
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@end
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@implementation GIGaSharePageViewController
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- (UIPageControl *)pageControl{
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if (!_pageControl) {
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_pageControl = [[UIPageControl alloc] init];
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_pageControl.frame = CGRectMake(KMainW / 2 - 100, KMainH - 20, 200, 20);
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_pageControl.numberOfPages = self.viewControllers.count;
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_pageControl.hidesForSinglePage = YES;
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_pageControl.userInteractionEnabled = NO;
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}
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return _pageControl;
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}
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- (instancetype)initWithControllers:(NSArray *)viewControllers{
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self = [super init];
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if (self) {
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self.viewControllers = viewControllers;
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}
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return self;
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.view.backgroundColor = [UIColor whiteColor];
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// Do any additional setup after loading the view.
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[self addChildViewController:self.pageVC];
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[self.view addSubview:self.pageVC.view];
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[self.view addSubview:self.pageControl];
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}
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#pragma mark - UIPageViewControllerDataSource
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// 返回下一个ViewController对象
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- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerAfterViewController:(UIViewController *)viewController {
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NSUInteger index = [self indexOfViewController:viewController];
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if (index == NSNotFound) {
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return nil;
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}
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index++;
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if (index == [self.viewControllers count]) {
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return nil;
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}
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return self.viewControllers[index];
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}
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// 返回上一个ViewController对象
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- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerBeforeViewController:(UIViewController *)viewController {
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NSUInteger index = [self indexOfViewController:viewController];
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if (index == 0 || index == NSNotFound) {
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return nil;
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}
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index--;
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return self.viewControllers[index];
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}
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#pragma mark - UIPageViewControllerDelegate
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// 开始翻页调用
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- (void)pageViewController:(UIPageViewController *)pageViewController willTransitionToViewControllers:(NSArray<UIViewController *> *)pendingViewControllers NS_AVAILABLE_IOS(6_0) {
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NSLog(@"开始翻页");
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}
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// 翻页完成调用
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- (void)pageViewController:(UIPageViewController *)pageViewController didFinishAnimating:(BOOL)finished previousViewControllers:(NSArray<UIViewController *> *)previousViewControllers transitionCompleted:(BOOL)completed {
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_done = YES;
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NSInteger index = [self.viewControllers indexOfObject:pageViewController.viewControllers[0]];
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_currentPage = index;
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[_pageControl setCurrentPage:_currentPage];
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NSLog(@"翻页完成");
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}
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-(UIInterfaceOrientation)pageViewControllerPreferredInterfaceOrientationForPresentation:(UIPageViewController *)pageViewController NS_AVAILABLE_IOS(7_0) __TVOS_PROHIBITED {
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return UIInterfaceOrientationPortrait;
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}
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#pragma mark - Tool
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// 根据数组元素，得到下标值
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- (NSUInteger)indexOfViewController:(UIViewController *)viewControlller {
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return [self.viewControllers indexOfObject:viewControlller];
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}
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#pragma mark - SCrollViewDelegate
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- (void)scrollViewDidScroll:(UIScrollView *)scrollView
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{
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// LOG(@"滚动 = %f", scrollView.contentOffset.x-SCREEN_WIDTH);
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//CGFloat offsetX = scrollView.contentOffset.x-KMainW;
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if (!_done) {
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[_pageControl setCurrentPage:_currentPage];
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}else
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{
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_done = NO;
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}
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}
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- (UIPageViewController *)pageVC {
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if (!_pageVC) {
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_pageVC = [[UIPageViewController alloc] initWithTransitionStyle:UIPageViewControllerTransitionStyleScroll navigationOrientation:UIPageViewControllerNavigationOrientationHorizontal options:nil];
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_pageVC.dataSource = self;
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_pageVC.delegate = self;
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_pageVC.view.frame = CGRectMake(0,0,KMainW, KMainH);
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for (UIView *subview in _pageVC.view.subviews) {
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[(UIScrollView *)subview setDelegate:self];
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//设置是否支持手势滑动
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// [(UIScrollView *)subview setScrollEnabled:NO];
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}
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[_pageVC setViewControllers:@[self.viewControllers[0]] direction:UIPageViewControllerNavigationDirectionForward animated:YES completion:nil];
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}
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return _pageVC;
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}
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@end
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