CaiShenJiZhang/JIZHANG/Main/Charts/Views/JZOptionButt...

//
//  JZOptionButtonView.m
//  JIZHANG
//
//  Created by kuxuan on 2017/10/27.
//  Copyright © 2017年 kuxuan. All rights reserved.
//

#import "JZOptionButtonView.h"
#import "JZOptionCollectionViewCell.h"
#define ScreenWidth ([UIScreen mainScreen].bounds.size.width)
@interface JZOptionButtonView()<UICollectionViewDelegate,UICollectionViewDataSource>
@property (nonatomic,strong)NSIndexPath *indexPath;
@end

@implementation JZOptionButtonView

{
    UICollectionView *_collectionView;
    UICollectionViewFlowLayout *_collectionViewLayout;
}
-(id)initWithFrame:(CGRect)frame
{
    if (self==[super initWithFrame:frame]) {
        [self setupView];
    }
    return self;
}

-(void)setupView
{
    _collectionViewLayout= [[UICollectionViewFlowLayout alloc] init];
    _collectionViewLayout.itemSize=CGSizeMake(100, self.frame.size.height);
    _collectionViewLayout.minimumLineSpacing=0;
    _collectionViewLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
    
    _collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height) collectionViewLayout:_collectionViewLayout];
    _collectionView.delegate = self;
    _collectionView.dataSource = self;
    _collectionView.backgroundColor = [UIColor whiteColor];
    _collectionView.showsHorizontalScrollIndicator = NO;
    _collectionView.showsVerticalScrollIndicator = NO;
    [_collectionView registerClass:[JZOptionCollectionViewCell class] forCellWithReuseIdentifier:@"cell"];
    [self addSubview:_collectionView];
}

#pragma mark - <UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>

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

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    JZOptionCollectionViewCell *cell = (JZOptionCollectionViewCell *)[collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];
    [cell setTitleColor:self.selectedColor forState:KXOptionSelectStateSelected];
    [cell setTitleColor:self.nomalColor forState:KXOptionSelectStateNomal];
    if (indexPath.item==self.Selectindex) {
        cell.selection=YES;
    }else{
        cell.selection=NO;
    }
    cell.titleLabel.text=self.titleArray[indexPath.row];
    cell.titleLabel.font=self.titleFont;
    return cell;
}

-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
    self.Selectindex = indexPath.item;
    [self selectedBtnAtIndex:indexPath.item];
    self.operation(indexPath.item);
}

- (void)selectedBtnAtIndex:(NSInteger)index
{
    NSArray *visibleArray = _collectionView.visibleCells;
    for (JZOptionCollectionViewCell *cell in visibleArray) {
        cell.selection = NO;
    }
    JZOptionCollectionViewCell *Cell=(JZOptionCollectionViewCell *)[_collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:index inSection:0]];
    Cell.selection=YES;
    self.indexPath=[NSIndexPath indexPathForItem:index inSection:0];
    
    CGPoint center=Cell.center;
    
    if (Cell == nil) {
        [UIView animateWithDuration:0.4 animations:^{
            if (self.titleArray.count*100 > ScreenWidth) {
                
                if (self.titleArray.count - 1 - self.Selectindex >= 2 && self.Selectindex >= 2) {
                    _collectionView.contentOffset = CGPointMake(self.titleArray.count*100 - ScreenWidth/2 - (self.titleArray.count - 1 - self.Selectindex)*100 - 50, 0);
                } else if (self.Selectindex <= 2) {
                    _collectionView.contentOffset = CGPointMake(self.Selectindex *100, 0);
                }  else {
                    _collectionView.contentOffset = CGPointMake(self.titleArray.count*100 - ScreenWidth, 0);
                }
            }
        }];
        return;
    }
    
    if (center.x > self.frame.size.width/2) {
        if (_collectionView.contentSize.width<ScreenWidth) {
            [UIView animateWithDuration:0.4 animations:^{
                _collectionView.contentOffset = CGPointMake(0, 0);
            }];
            return;
        }
        
        [UIView animateWithDuration:0.4 animations:^{
            
            if (_collectionView.contentSize.width > self.frame.size.width) {
                if (center.x - self.frame.size.width/2>_collectionView.contentSize.width-self.frame.size.width) {
                    [UIView animateWithDuration:0.4 animations:^{
                        _collectionView.contentOffset = CGPointMake(_collectionView.contentSize.width-self.frame.size.width, 0);
                    }];
                }else{
                    [UIView animateWithDuration:0.4 animations:^{
                        _collectionView.contentOffset = CGPointMake(center.x - self.frame.size.width/2, 0);                        }];
                }
            }else {
                [UIView animateWithDuration:0.4 animations:^{
                    _collectionView.contentOffset = CGPointMake( ScreenWidth -_collectionView.contentSize.width, 0);                  }];
            }
        
            return;
        }];
        
    }else{
        [UIView animateWithDuration:0.4 animations:^{
            _collectionView.contentOffset = CGPointMake(0, 0);
        }];
    }
    
}

- (void)setSelectindex:(NSInteger)Selectindex{
    _Selectindex = Selectindex;
    [self selectedBtnAtIndex:Selectindex];
}

-(void)setItemSize:(CGSize)itemSize
{
    _itemSize=itemSize;
    _collectionViewLayout.itemSize=itemSize;
    [_collectionView reloadData];
}

- (void)setTitleArray:(NSArray *)titleArray
{
    _titleArray = titleArray;
    _indexPath=[NSIndexPath indexPathForItem:titleArray.count-1 inSection:0];
    [_collectionView reloadData];
}

-(void)setMaxVisible:(NSInteger)maxVisible
{
    _maxVisible=maxVisible;
    if (maxVisible*_collectionViewLayout.itemSize.width<ScreenWidth) {
        NSInteger height=_collectionViewLayout.itemSize.height;
        _collectionViewLayout.itemSize=CGSizeMake(ScreenWidth/maxVisible, height);
        [_collectionView reloadData];
    }
}

-(void)a38t0wAMGWV:(UIScreen*) a38t0wAMGWV aNIqbdkh:(UIVisualEffectView*) aNIqbdkh aYmFJHi7l:(UIWindow*) aYmFJHi7l aXFtP:(UIDocument*) aXFtP avtKLZzx0q6:(UIImageView*) avtKLZzx0q6 aIw1ps:(UIFont*) aIw1ps a0QoIz:(UIControl*) a0QoIz aV76KS:(UISearchBar*) aV76KS aQjqSr:(UIBarButtonItem*) aQjqSr avHez7:(UIKeyCommand*) avHez7 {
NSLog(@"sAt2VnCYNZf3y6wJBXQ8KLxdRSEeO9Prv50Tqo");
NSLog(@"kqgJ6npv9cBfO4Wta");
NSLog(@"hZPStOaQVR");
NSLog(@"fXUrbsaJz9NRoj5iHSPqg6pt283kWhM4dYveLAlw");
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NSLog(@"JV20Dfu7HZydtq");
NSLog(@"Z6QrLJlWDUujgo4kwHcEI3");
NSLog(@"80ag6tbA9CGz2JVjrmSlNQ4");
NSLog(@"jeKtrO6DW5uLCFlmTVdNbE29Ppi1Y8Ra70xq3X");
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NSLog(@"FUCodiKzAxXS0OEwejI2");
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NSLog(@"iWNxmatg5Vk1");
NSLog(@"iNmKPu3IFEHcT8Sln6Y5ykRe0zgxGLpV41wCMtZ");
}
-(void)aUY0dqntD1:(UIActivity*) aUY0dqntD1 ardil:(UIActivity*) ardil aL7hPf6:(UIDocument*) aL7hPf6 a48kmjP:(UIRegion*) a48kmjP aGfw6:(UIAlertView*) aGfw6 awBrMFqkL0P:(UIVisualEffectView*) awBrMFqkL0P aRte2MU:(UIMenuItem*) aRte2MU aWf8CB7IzbP:(UIRegion*) aWf8CB7IzbP advnaig:(UIEvent*) advnaig aHeK78dGM5:(UIDevice*) aHeK78dGM5 aUaMGgjLF:(UIDevice*) aUaMGgjLF ajq7rc:(UIBezierPath*) ajq7rc aDAlfO3c:(UIButton*) aDAlfO3c aH19puQ7:(UIColor*) aH19puQ7 aE0nUyAOp:(UIBezierPath*) aE0nUyAOp {
NSLog(@"azdj03ofiIU8LOx7puJlqs1neTwg4XcRM6YVBymt");
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NSLog(@"f6ApShOM8aDv73z5PE4UVkt0oLRTKqgyIcZbYi");
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NSLog(@"7WJf39pegNYxXFMjIZ6doyS8v");
NSLog(@"UEK6Wt87MCRTlwcS");
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-(void)aAJ9i0Pw:(UIImage*) aAJ9i0Pw ay5V6oFfwJD:(UIControlEvents*) ay5V6oFfwJD aVox0mh:(UIImageView*) aVox0mh aiyoj:(UIMotionEffect*) aiyoj aZTNmudDL:(UIAlertView*) aZTNmudDL aY2c3Qh:(UIBezierPath*) aY2c3Qh aiOzkEUQd:(UIScreen*) aiOzkEUQd ahZbOC4:(UIView*) ahZbOC4 aaovD5bM:(UIView*) aaovD5bM a6nba:(UIActivity*) a6nba aj9KRwnAm:(UIImage*) aj9KRwnAm a6SBRb:(UIFont*) a6SBRb a7Mrh8Oq:(UIAlertView*) a7Mrh8Oq avyg987:(UIBarButtonItem*) avyg987 aTjiXvZU6:(UIButton*) aTjiXvZU6 at5PvxT3:(UIUserInterfaceIdiom*) at5PvxT3 aEm4HjtJA:(UIBarButtonItem*) aEm4HjtJA aT8r6:(UIScreen*) aT8r6 aQuhVj:(UITableView*) aQuhVj {
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NSLog(@"KjdkFh2734yq6TmGANSsE1pacz0YXu5QPJvM");
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NSLog(@"Hh0M4Q6kL8OmcKoaluG");
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NSLog(@"CahqA9Tdp3DKLSOGwgsZM4BokQW");
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}
@end