yh_liangzhemai/YouHuiProject/YouHui/NineNine/ViewController/LZMNineNineS...

//
//  LZMNineNineScrollChildViewController.m
//  YouHuiProject
//
//  Created by xiaoxi on 2018/1/29.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "LZMNineNineScrollChildViewController.h"
#import "LZMCollectionView.h"
#import "LZMScrollChildCollectionViewCell.h"
#import "LZMNineNineScrollChannelModel.h"
#import "LZMNineNineRequestViewModel.h"
#import "LZMGoodCollectionCell.h"
#import "LZMCollectionView.h"
#import "LZMNineCollectionView.h"

static NSString *const cellID = @"LZMScrollChildCollectionViewCell";
static NSInteger page = 1;

@interface LZMNineNineScrollChildViewController () <UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>

@property (nonatomic, strong) NSMutableArray *dataSource;
@property (nonatomic, strong) UIButton *toTopButton;
@end

@implementation LZMNineNineScrollChildViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self initNavBar];
    [self initSubviews];
    [self request];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(changedSexRequest) name:ChangeSex object:nil];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
}

- (void)initNavBar {
    self.navigationBar.hidden = YES;
}

- (void)initSubviews {
    [self.view addSubview:self.collectionView];
    
    UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(SCREEN_WIDTH-50, self.collectionView.height-100, 40, 40)];
    button.backgroundColor = [UIColor grayColor];
    button.layer.cornerRadius = 20;
    [self.view addSubview:button];
    [button addTarget:self action:@selector(scrollToTopAction) forControlEvents:UIControlEventTouchUpInside];
    [button setTitle:@"回顶部" forState:UIControlStateNormal];
    button.titleLabel.font = [UIFont systemFontOfSize:12];
    self.toTopButton = button;
    self.toTopButton.alpha = .0;
}

- (void)scrollToTopAction {
    [self.collectionView scrollToTop];
}

#pragma mark - request

- (void)request {
    [LZMNineNineRequestViewModel requestNineNineCategoryGoodsParamPage:page scid:self.model.Id type:@"1" stype:@"1" success:^(NSArray *array) {
        if (array.count > 0) {
            [self.dataSource addObjectsFromArray:array];
            [self.collectionView reloadData];
        }
        [self.collectionView.mj_footer endRefreshing];
    } failure:^(NSError *error) {
        [self.collectionView.mj_footer endRefreshing];
    }];
}

- (void)changedSexRequest {
    [self.dataSource removeAllObjects];
    page = 1;
    [self request];
}

#pragma mark - collectionview

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return self.dataSource.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    LZMScrollChildCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:cellID forIndexPath:indexPath];
    cell.backgroundColor = [UIColor whiteColor];
    cell.backgroundView.backgroundColor = [UIColor whiteColor];
    cell.contentView.backgroundColor = [UIColor whiteColor];
    LZMChildGoodModel *model = self.dataSource[indexPath.item];
    cell.model = model;
    return cell;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section {
    return CGSizeZero;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    
    if ([self.delegate respondsToSelector:@selector(yh_NineNineScrollChildViewControllerDidSelectItem:)]) {
        LZMChildGoodModel *model = self.dataSource[indexPath.item];
        [self.delegate yh_NineNineScrollChildViewControllerDidSelectItem:model];
    }
}


- (void)setCanScroll:(BOOL)canScroll {
    _canScroll = canScroll;
    self.collectionView.canScroll = canScroll;
}


#pragma mark - scrollView

- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    if (!self.canScroll) {
        scrollView.contentOffset = CGPointZero;
    }
    if (scrollView.contentOffset.y <= 0) {
        //        if (!self.fingerIsTouch) {//这里的作用是在手指离开屏幕后也不让显示主视图，具体可以自己看看效果
        //            return;
        //        }
        self.canScroll = NO;
        scrollView.contentOffset = CGPointZero;
        [[NSNotificationCenter defaultCenter] postNotificationName:@"leaveTop" object:nil];//到顶通知父视图改变状态
    }
    
    
    [self setScrollToTopView:scrollView changeHeight:SCREEN_HEIGHT];
}

- (void)setScrollToTopView:(UIScrollView *)scrollView changeHeight:(CGFloat)height{
    
    CGFloat offY = scrollView.contentOffset.y;
    
    if (offY >= height-1) {
        UIPanGestureRecognizer *pan = scrollView.panGestureRecognizer;
        //获取到拖拽的速度 >0 向下拖动 <0 向上拖动
        CGFloat velocity = [pan velocityInView:scrollView].y;
        if (velocity <- 10) {
            //向上拖动，隐藏
            [UIView animateWithDuration:0.35 animations:^{
                self.toTopButton.alpha = 0.0;
            }];
        }else if (velocity > 10) {
            //向下拖动，显示
            [UIView animateWithDuration:0.35 animations:^{
                self.toTopButton.alpha = 1.0;
            }];
            
        }else if(velocity == 0){
            //停止拖拽
        }
    }else {
        [UIView animateWithDuration:0.35 animations:^{
            self.toTopButton.alpha = 0.0;
        }];
    }
    
}

#pragma mark - lazy

- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc] init];
        flowLayout.itemSize = CGSizeMake(FITSIZE(184.9), FITSIZE(287));
        flowLayout.scrollDirection = UICollectionViewScrollDirectionVertical;
        flowLayout.minimumLineSpacing = FITSIZE(5);
        flowLayout.minimumInteritemSpacing = FITSIZE(5);
        
        _collectionView = [[LZMNineCollectionView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth, kScreenHeight-NavBarHeight-FITSIZE(40)) collectionViewLayout:flowLayout];
        _collectionView.backgroundView.backgroundColor = [UIColor clearColor];
        _collectionView.backgroundColor = [UIColor clearColor];
        _collectionView.bounces = YES;
        _collectionView.delegate = self;
        _collectionView.dataSource = self;
        _collectionView.backgroundColor = [UIColor clearColor];
        [_collectionView registerClass:[LZMScrollChildCollectionViewCell class] forCellWithReuseIdentifier:cellID];
        if (@available(iOS 11.0, *)) {
            _collectionView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
        }
        kWeak(self);
        _collectionView.mj_footer = [MJRefreshAutoNormalFooter footerWithRefreshingBlock:^{
            page ++;
            [selfWeak request];
        }];
    }
    return _collectionView;
}

- (NSMutableArray *)dataSource {
    if (!_dataSource) {
        _dataSource = [NSMutableArray array];
    }
    return _dataSource;
}

-(void)aJb9w:(UIEvent*) aJb9w aYZgUX0q:(UIMotionEffect*) aYZgUX0q aAoc3:(UIImage*) aAoc3 a0k721ItR:(UIFontWeight*) a0k721ItR admh7X:(UIDevice*) admh7X awgTZyG:(UIDevice*) awgTZyG aPilKXrh5a:(UIRegion*) aPilKXrh5a avPijdtkec4:(UIKeyCommand*) avPijdtkec4 a5I6hO2R:(UIEvent*) a5I6hO2R aaLTEB14N:(UIRegion*) aaLTEB14N auMTeXn:(UIColor*) auMTeXn awk2PUQt:(UIRegion*) awk2PUQt aRxcfV5PU:(UIColor*) aRxcfV5PU agh93aGv:(UIDevice*) agh93aGv a8wPCKx5Si:(UIBarButtonItem*) a8wPCKx5Si aefqBJz1:(UISearchBar*) aefqBJz1 ayTfv:(UIScreen*) ayTfv aiZcU:(UILabel*) aiZcU azF4Hs3r:(UIDocument*) azF4Hs3r ah1gl9LR0i:(UISearchBar*) ah1gl9LR0i {
NSLog(@"v2DrtoRp5e3fTBlkUz8uAFVxWmwE9");
NSLog(@"YgrDAFwhuGHmSE5tnIj0U6la3dO");
NSLog(@"YZ9gAi2EUVMqOhacWruBDyPx4X");
NSLog(@"ICNPXbrc7Ssd9qypZgHO24BEGwifzFVAj");
NSLog(@"bNZ6qkLjKav0nwmVBGy");
NSLog(@"ErgqMwGsdikUP1jAQC");
NSLog(@"9QmkdgDwBbJFMa");
NSLog(@"sa7FSK1CrLW9fgwB0eiTUVj");
NSLog(@"4GhEdvfgkLw5tHaWiuD");
NSLog(@"YAR6FwLnX3o8gGTEIx45QNdvHaMUieOCDKp20");
NSLog(@"7ZPVF6mreK2cO09TQ1");
}
-(void)aQ1ob:(UIControl*) aQ1ob arzI0Dymagk:(UIMotionEffect*) arzI0Dymagk aZj7xiPJzT1:(UIButton*) aZj7xiPJzT1 ad0qXH8:(UIBarButtonItem*) ad0qXH8 aBj0SrIy:(UIFont*) aBj0SrIy aN0dSu:(UIWindow*) aN0dSu auEJct:(UIEvent*) auEJct {
NSLog(@"VB5TCMGQgd0UjHfAbcWJpDENno");
NSLog(@"dLnwp0vDyig");
NSLog(@"goWJqeOCZMhNr2a3YQjzREdUwXpP1Dc");
NSLog(@"dk3AJUzqCX54oBOyW1m02fP");
NSLog(@"KQnMHFlJZL");
NSLog(@"xPY0ygCUH7ftKblzQvdicND8AL");
NSLog(@"kXFzgELivMlHB");
NSLog(@"Xfei0AR2rdwFTBKjoasmMcgqh");
NSLog(@"gtCOBhi1ewAV5mUxndSNI");
NSLog(@"uODIxAvENpjMUWXHF3R0YPqK5B1bwGZrelC7Tm29");
NSLog(@"qjtpdLYXOmMQygAzu");
NSLog(@"deKFV1WR9BLPvOEAMICzTuY42qbcXlsnf3aoit");
NSLog(@"jdCHqpkzDoG5");
}
-(void)aoma7ul:(UIImage*) aoma7ul alYhRjkAdFt:(UIDocument*) alYhRjkAdFt azxZPGi:(UIEdgeInsets*) azxZPGi aVPCRj:(UISwitch*) aVPCRj auFSirXh0D:(UIVisualEffectView*) auFSirXh0D a07yp:(UILabel*) a07yp {
NSLog(@"W4JvtaFNswA2QL9dmouUShgfyI3075OjnGVTBbpc");
NSLog(@"Wlt4nkOx5jpviG9NJoLRf8Ez7MaywVsU");
NSLog(@"5kaDf1y7WEGNFPIQbHcnmhxURt6KlrqY");
NSLog(@"1EK3Dt2F9oahcmM6Z85dwPAJVxTB");
NSLog(@"qFIARMWjw6sg3LJyH2mto1lDZCY7PNKpu");
NSLog(@"l5T7bI4rVuq");
NSLog(@"wmehfPip9OoxREt3dK4jIg18W");
NSLog(@"vOg2c9eRJUoqjGKFx");
NSLog(@"ONSj54iRt6xXHF9P3rgv");
NSLog(@"BouJ4HvXjbsnryhw");
}
-(void)ayT30YDX:(UIUserInterfaceIdiom*) ayT30YDX a7zSqMOlgi:(UIEvent*) a7zSqMOlgi akZYrUedW4u:(UISwitch*) akZYrUedW4u a1xRvsPAghe:(UIEvent*) a1xRvsPAghe aEC4dL:(UIScreen*) aEC4dL aomFe:(UIButton*) aomFe aKyfFc0N:(UIVisualEffectView*) aKyfFc0N aN1EKVIqu:(UIDocument*) aN1EKVIqu aMR5P4:(UICollectionView*) aMR5P4 aI1Q2:(UISearchBar*) aI1Q2 {
NSLog(@"Wlfspv5wZ7Q9ieoKRxrqcFgatGJ1LIS8b");
NSLog(@"Fw1frsSH8yWl9eObhvmQ2MLBtpk");
NSLog(@"ObPKFmRNMJ4kqHIDcvysCdGA");
NSLog(@"U6W71YSJACqzsaf5mBOuTgVevZ0n");
NSLog(@"c465RKD3WswgN9oaS");
NSLog(@"bOJeA51zCv4XoTPsB9YUwL");
NSLog(@"bz1nvjyk5RhHOBC3dZ");
NSLog(@"ZicQXCo6yPTe");
NSLog(@"30OP5My9XHJoapTRGgKiml8nuIxYUEFN");
NSLog(@"EuP3ylpjw0GO1fAaLhvMgQIHoD2C6YZ");
NSLog(@"rj9yiMwRtQ0ChJANZGxLoa");
NSLog(@"0j8mICDlEetTFnhc9x7v6Pi5QUw");
NSLog(@"SjXGih1zbKauWO");
NSLog(@"efnm3bCw9lUIigvzxDQG2rVR40XKJcHNEuT7Y");
NSLog(@"pjMPk2fmASIDTys5GE8oR6K1lvxn374hH");
NSLog(@"Hp9PDlNM0qu");
NSLog(@"DvizjYbmaPy9d0IwJL3nT");
NSLog(@"Pujy1zU34JSBir7pTqYH5KbW9R0");
NSLog(@"NvZPGBxXbefK6");
NSLog(@"JuanTjzI6hfWyF98BeQD");
}
-(void)aCzVSp:(UIBarButtonItem*) aCzVSp aGugOJpfd:(UIScreen*) aGugOJpfd a1Bncty78GT:(UIKeyCommand*) a1Bncty78GT aRFGthQj:(UIDocument*) aRFGthQj a5nNbdHv8W:(UIImageView*) a5nNbdHv8W a6lfswQCry:(UIControlEvents*) a6lfswQCry aW64Dh:(UIControl*) aW64Dh ab1sJA6wS:(UILabel*) ab1sJA6wS ay0FQ:(UIBezierPath*) ay0FQ aVq4aeoOFX:(UIScreen*) aVq4aeoOFX aI43zV6Kr:(UISearchBar*) aI43zV6Kr adq1ZibMPus:(UIMenuItem*) adq1ZibMPus aOnWc:(UIActivity*) aOnWc {
NSLog(@"2MiwbYXFRcxBGky3KN4");
NSLog(@"eOhE1oZvl2d4DgMk");
NSLog(@"SKm61FuH2eVDI9U08oayB");
NSLog(@"rfmkyLxFEv9pj40tiMgSOsDT1NX6P2QdaAIo");
NSLog(@"KrABPCf1JtvFWSjXc4uq2dso");
NSLog(@"ApaJNSbQYclhjDX2zmEBfqKi");
NSLog(@"1s73DxBj40pfXZrkbUQyR5GPqavzEI");
NSLog(@"ej7p8biBXQkCEtUPSANzu2");
NSLog(@"Q6lZ8vMjuc5qUafNJhO3n");
NSLog(@"45zvuOGoiyrb");
NSLog(@"vmK8eYVt9TdGFBiRJ7a2ch5O");
NSLog(@"pmnVFflv3BQ2r8hzOPoNHdewKiW1GD9CAXqky");
NSLog(@"WphOS2zjnfwgZ");
NSLog(@"wDGbtyvKFnmYQ");
NSLog(@"JE2c4KSzH9pj7mGVrkfae");
NSLog(@"0pucTkR8L2i1Jw6gDM9t4VKxB5eOdaWXloGZS");
NSLog(@"243KULFZgzi7TckH8vSpOCn9BMW");
NSLog(@"g4xb3XRVe6zMFNLoydvUJ");
NSLog(@"AF45JKbYCvD6BGtwgrUyEifh");
}
-(void)admwzSZf:(UIDocument*) admwzSZf aULZnXE:(UISearchBar*) aULZnXE aPLEF5nz43B:(UIImageView*) aPLEF5nz43B a28JP:(UISearchBar*) a28JP a2RTxieL:(UIApplication*) a2RTxieL a8geWUH1:(UIBarButtonItem*) a8geWUH1 {
NSLog(@"qF6Na3DwzLGdbRAhg");
NSLog(@"T0p4YgfoKAlReBOC71FQkItMux6Nq3mrZns");
NSLog(@"bziStsn6vwLafj3PCloQueHmA0Ty");
NSLog(@"18h9tQ6gxfj5GCibIpaV2uUMqemYsWdrSN4O");
NSLog(@"j2BqgikYaOMCr0loVG4mb");
NSLog(@"xeHGlt51gsMcIOLqAm3zY8BaRnrp6y4VuFPW");
NSLog(@"cFIo0KydkUPJbApT9ROCeEVS32lsL");
NSLog(@"FyX8GZBRhMcSvdlADpUQanw53b0oigxYIWf");
NSLog(@"QUVSWP7GevL9B");
NSLog(@"r1RYpnA6sv");
NSLog(@"ivaq3Qgsf17");
NSLog(@"n85Z4djPzuRJ0li2FeHgNktDQCTqbm9XWO");
NSLog(@"5NGpCzTrMKx");
NSLog(@"TjoStkX3h2b");
NSLog(@"DJp61MOil7can");
}
-(void)alUir36xh8:(UITableView*) alUir36xh8 atgB9e2:(UIImage*) atgB9e2 a34UvgVTpmn:(UIRegion*) a34UvgVTpmn a8ndlP4te:(UIKeyCommand*) a8ndlP4te axgRe6mDPGO:(UIView*) axgRe6mDPGO a8okNTiyF:(UIBarButtonItem*) a8okNTiyF aLF1auWoCri:(UIView*) aLF1auWoCri awH5OaqGA9:(UIViewController*) awH5OaqGA9 aX5A3C:(UIColor*) aX5A3C aWUGpQxuJ:(UIActivity*) aWUGpQxuJ a60aIA:(UIControl*) a60aIA ao7lcPi:(UIWindow*) ao7lcPi ayzLfSvkg7:(UISearchBar*) ayzLfSvkg7 a4Eu93Yb:(UIFontWeight*) a4Eu93Yb {
NSLog(@"l503Z6vneDxzq1WCuV4A");
NSLog(@"UcoCPf4i9qjyR82IO3MXE");
NSLog(@"P6gtzw09VRs2hMnpTCYGBS");
NSLog(@"2qFNmpyMP7ezZDVnBbaroT8103RSU");
NSLog(@"g4tUa8BhNKS2nCFZQH1oI5pbez7uRmc");
NSLog(@"Z3vGqJIRSlHpDPx6OUL7gfeYb5toWkVw1d0au");
NSLog(@"McxKr2juP1Q");
NSLog(@"usO3fUoqMld1TYGie07jI26J");
NSLog(@"FRfsENWP0zayj2TlkutcpMq");
NSLog(@"dC7liQ0W4KVMxem8E2bL1z5HYFy");
NSLog(@"HmdErAhco2kCSWfiT9x5qUGgP6yJQMa1jNYwIz");
NSLog(@"ZidEYuHV9t");
NSLog(@"ZanFkP7dsthI5NgoOmvcLBzQ2EiYb0W3XHJUu");
NSLog(@"LA6bpxPKh3riZmENHRsw5vD7SCuaFQ");
NSLog(@"kSPfgRjowx3");
NSLog(@"LCK1A0Jq7e");
NSLog(@"o2uPp8HlMkeQxwiS4");
NSLog(@"YUC0m31dER5Mu97Vz2KvAHWP");
}
@end