jixin_new/shiku_im/cell/SelecctFriendBottomView/JXSelectFriendBottomView.m

//
//  JXSelectFriendBottomView.m
//  shiku_im
//
//  Created by JayLuo on 2020/4/1.
//  Copyright © 2020 Reese. All rights reserved.
//

#import "JXSelectFriendBottomView.h"
#import "JXSelectFriendBottomViewCell.h"
#import "QCheckBox.h"

@interface JXSelectFriendBottomView()<UICollectionViewDelegate, UICollectionViewDataSource>
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic) CGRect Gframe;
@property (nonatomic, strong) NSMutableArray *array;
@end

@implementation JXSelectFriendBottomView

+ (JXSelectFriendBottomView *)creatView {
    NSArray* nibView = [[NSBundle mainBundle] loadNibNamed:@"JXSelectFriendBottomView" owner:nil options:nil];
    JXSelectFriendBottomView *testView = [nibView firstObject];
    return testView;
}

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        
        NSArray* nibView = [[NSBundle mainBundle] loadNibNamed:@"JXSelectFriendBottomView" owner:nil options:nil];
       self = [nibView lastObject];
       self.frame = frame;
        _array = [NSMutableArray array];
       [self setupUI];
    }
    return self;
}


- (void)setupUI {
    _finishBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    [_finishBtn setTitle:[NSString stringWithFormat:@"%@(%@)", Localized(@"JX_Confirm"),@"0"] forState:UIControlStateNormal];
    [_finishBtn setTitle:[NSString stringWithFormat:@"%@(%@)", Localized(@"JX_Confirm"),@"0"]  forState:UIControlStateHighlighted];
    [_finishBtn setTitleColor:[UIColor lightGrayColor] forState:UIControlStateHighlighted];
    [_finishBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    _finishBtn.layer.masksToBounds = YES;
    _finishBtn.layer.cornerRadius = 3.f;
    [_finishBtn setBackgroundColor:THEMECOLOR];
    CGSize size = [_finishBtn.titleLabel.text sizeWithAttributes:[NSDictionary dictionaryWithObjectsAndKeys:SYSFONT(15),NSFontAttributeName,nil]];
    [_finishBtn.titleLabel setFont:SYSFONT(15)];
    _finishBtn.frame = CGRectMake(JX_SCREEN_WIDTH - size.width - 5, 12.5, size.width, 29);
    [_finishBtn addTarget:self action:@selector(onAdd) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:_finishBtn];
     // 流水布局
    UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
    layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
    // 设置最小行间距
    layout.minimumLineSpacing = 10;
    layout.minimumInteritemSpacing = 0;
    layout.itemSize = CGSizeMake(40, 40);
    UICollectionView *collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 1, JX_SCREEN_WIDTH - _finishBtn.frame.size.width - 15, self.frame.size.height-1) collectionViewLayout:layout];
    collectionView.bounces = NO;
    collectionView.backgroundColor = [UIColor whiteColor];
    collectionView.bounds = CGRectMake(0, 1, JX_SCREEN_WIDTH - _finishBtn.frame.size.width - 15, self.frame.size.height-1);
    collectionView.showsHorizontalScrollIndicator = YES;
    [self addSubview:collectionView];
    // 设置数据源
    collectionView.dataSource = self;
    collectionView.delegate = self;
   _collectionView = collectionView;
    // 注册cell
    [collectionView registerNib:[UINib nibWithNibName:NSStringFromClass([JXSelectFriendBottomViewCell class])  bundle:nil] forCellWithReuseIdentifier:NSStringFromClass([JXSelectFriendBottomViewCell class])];
    [self updateNumber];
    [g_notify addObserver:self selector:@selector(selectuserchange:) name:@"selectuserchange" object:nil];
    
    [g_notify addObserver:self selector:@selector(selectuserchangeUser:) name:@"selectuserchangeUser" object:nil];
    
}


- (void)onAdd {
    [[NSNotificationCenter defaultCenter] postNotificationName:@"nextAction" object:nil];
}
- (void)selectuserchangeUser:(NSNotification *)note {

    
    _array=note.object;
    
    [_collectionView reloadData];
    [self updateNumber];
    
    return;
    memberData *user = note.object;
    [_array addObject:user];
    if (user.isSelected) {
       [_array addObject:user];
    }else{
        [_array removeObject:user];
    }
}
- (void)selectuserchange:(NSNotification *)note {
    JXUserObject *user = note.object;
    
    if (user.isSelected) {
       [_array addObject:user];
    }else{
        [_array removeObject:user];
    }
    [_collectionView reloadData];
    [self updateNumber];
}

- (void)updateNumber {
    if (_array.count == 0) {
        _finishBtn.userInteractionEnabled = NO;
        _finishBtn.alpha = 0.4;
    }else {
        _finishBtn.userInteractionEnabled = YES;
        _finishBtn.alpha = 1;
    }
    
    [_finishBtn setTitle:[NSString stringWithFormat:@"%@(%ld)", Localized(@"JX_Confirm"),_array.count] forState:UIControlStateNormal];
    [_finishBtn setTitle:[NSString stringWithFormat:@"%@(%ld)", Localized(@"JX_Confirm"),_array.count]  forState:UIControlStateHighlighted];
    CGSize size = [_finishBtn.titleLabel.text sizeWithAttributes:[NSDictionary dictionaryWithObjectsAndKeys:SYSFONT(15),NSFontAttributeName,nil]];
    [_finishBtn.titleLabel setFont:SYSFONT(15)];
    _finishBtn.frame = CGRectMake(JX_SCREEN_WIDTH - size.width - 20 - 5, 12.5, size.width+20, 29);
    _collectionView.bounds = CGRectMake(0, 1, JX_SCREEN_WIDTH - _finishBtn.frame.size.width - 15, self.frame.size.height-1);
}

- (void)dealloc {
    [g_notify removeObserver:self];
}

- (void)awakeFromNib {
    [super awakeFromNib];
    self.frame = self.Gframe;
}


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


- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    JXSelectFriendBottomViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([JXSelectFriendBottomViewCell class]) forIndexPath:indexPath];
    if ([[_array firstObject] isKindOfClass:[memberData class]]) {

         memberData *user = _array[indexPath.item];
        cell.icon2 = [NSString stringWithFormat:@"%ld",user.userId];
    }else{

        JXUserObject *user = _array[indexPath.item];
        cell.icon = user.userId;
        
    }
    return cell;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    
  return;
    
    JXUserObject *user = _array[indexPath.item];
    user.isSelected = NO;
    user.checkBox.selected = NO;
    [_array removeObject:user];
    [self updateNumber];
//    [collectionView deselectItemAtIndexPath:indexPath animated:YES];
    [collectionView deleteItemsAtIndexPaths:@[indexPath]];
   // 发送通知给bottomCell
   [[NSNotificationCenter defaultCenter] postNotificationName:@"disselectuserchange" object:user];
}


-(UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section{
    
    //    return UIEdgeInsetsZero;
    return UIEdgeInsetsMake(0, 10, 0, 10);
}

@end