klx_teacher/KulexiuForTeacher/KulexiuForTeacher/Module/Chat/Controller/ChatViewController.m

//
//  ChatViewController.m
//  KulexiuForTeacher
//
//  Created by Kyle on 2022/3/17.
//

#import "ChatViewController.h"
#import "ChatNavView.h"
#import "CreateFansGroupViewController.h"
#import "ChatAddressViewController.h"
#import "KSChatListViewController.h"
#import "KSTabBarViewController.h"

@interface ChatViewController ()<JXCategoryViewDelegate>

@property (nonatomic, strong) ChatNavView *navView;

@property (nonatomic, strong) JXCategoryTitleView *myCategoryView;

@property (nonatomic, assign) NSInteger currentIndex;

@property (nonatomic, strong) KSChatListViewController *chatListCtrl;


@end

@implementation ChatViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.ks_prefersNavigationBarHidden = YES;
    self.titles = @[@"聊天", @"联系人"];
    [self configUI];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(refreshChatList) name:CHATVIEW_REFRESH object:nil];

}

- (void)refreshChatList {
    if (self.chatListCtrl) {
        [self.chatListCtrl refreshChatListMessage];
    }
}

- (void)configUI {
    [self.scrollView removeFromSuperview];
    [self.view addSubview:self.navView];
    
    CGFloat topSpace = kNaviBarHeight;
    self.myCategoryView.frame = CGRectMake(0, topSpace, KPortraitWidth, 10);
    self.myCategoryView.backgroundColor = HexRGB(0xf6f8f9);
    self.myCategoryView.titles = self.titles;
    self.myCategoryView.titleFont = [UIFont systemFontOfSize:16.0f];
    self.myCategoryView.titleSelectedFont = [UIFont systemFontOfSize:16.0f weight:UIFontWeightMedium];
    self.myCategoryView.titleSelectedColor = THEMECOLOR;
    self.myCategoryView.titleColor = HexRGB(0x777777);
    self.myCategoryView.titleColorGradientEnabled = YES;
    self.myCategoryView.hidden = YES;
    [self.view addSubview:self.categoryView];
    [self.view addSubview:self.listContainerView];
}

- (void)viewDidLayoutSubviews {
    [super viewDidLayoutSubviews];
    CGFloat topSpace = kNaviBarHeight;
    self.categoryView.frame = CGRectMake(0, topSpace, self.view.bounds.size.width, [self preferredCategoryViewHeight]);
    self.listContainerView.frame = CGRectMake(0, topSpace + [self preferredCategoryViewHeight], self.view.bounds.size.width, self.view.bounds.size.height - topSpace - [self preferredCategoryViewHeight]);
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;
    // 处于第一个item的时候，才允许屏幕边缘手势返回
    self.navigationController.interactivePopGestureRecognizer.enabled = (self.categoryView.selectedIndex == 0);
}

- (void)scrollToFirstPage {
    [self.myCategoryView selectItemAtIndex:0];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];

    // 离开页面的时候，需要恢复屏幕边缘手势，不能影响其他页面
    self.navigationController.interactivePopGestureRecognizer.enabled = YES;
}


- (JXCategoryTitleView *)myCategoryView {
    return (JXCategoryTitleView *)self.categoryView;
}

- (CGFloat)preferredCategoryViewHeight {
    return CGFLOAT_MIN;
}

- (JXCategoryBaseView *)preferredCategoryView {
    return [[JXCategoryTitleView alloc] init];
}

#pragma mark - JXCategoryViewDelegate
// 点击选中或者滚动选中都会调用该方法。适用于只关心选中事件，不关心具体是点击还是滚动选中的。

- (void)categoryView:(JXCategoryBaseView *)categoryView didSelectedItemAtIndex:(NSInteger)index {
    NSLog(@"%@", NSStringFromSelector(_cmd));
    bool scrollChatTable = index == 0 ? YES : NO;
    [self.navView scrollChatTable:scrollChatTable];
    // 侧滑手势处理
    self.navigationController.interactivePopGestureRecognizer.enabled = (index == 0);
}
#pragma mark - JXCategoryListContainerViewDelegate
- (id<JXCategoryListContentViewDelegate>)listContainerView:(JXCategoryListContainerView *)listContainerView initListForIndex:(NSInteger)index {

    if (index == 0) {
        KSChatListViewController *listVC = [[KSChatListViewController alloc] init];
        listVC.view.frame = CGRectMake(0, 0, KPortraitWidth, KPortraitHeight - kNaviBarHeight - kTabBarHeight);
        self.chatListCtrl = listVC;
        return listVC;
    }
    else {
        ChatAddressViewController *list = [[ChatAddressViewController alloc] init];
        list.titles = @[@"联系人",@"群组"];
        return list;
    }
}

// 返回列表的数量
- (NSInteger)numberOfListsInlistContainerView:(JXCategoryListContainerView *)listContainerView {
    return self.titles.count;
}

#pragma mark - JXCategoryListContainerViewDelegate

- (void)listContainerViewDidScroll:(UIScrollView *)scrollView{
    if ([self isKindOfClass:[ChatAddressViewController class]]) {
        CGFloat index = scrollView.contentOffset.x/scrollView.bounds.size.width;
        CGFloat absIndex = fabs(index - self.currentIndex);
        if (absIndex >= 1) {
            //”快速滑动的时候，只响应最外层VC持有的scrollView“，说实话，完全可以不用处理这种情况。如果你们的产品经理坚持认为这是个问题，就把这块代码加上吧。
            //嵌套使用的时候，最外层的VC持有的scrollView在翻页之后，就断掉一次手势。解决快速滑动的时候，只响应最外层VC持有的scrollView。子VC持有的scrollView却没有响应
            self.listContainerView.scrollView.panGestureRecognizer.enabled = NO;
            self.listContainerView.scrollView.panGestureRecognizer.enabled = YES;
            _currentIndex = floor(index);
        }
    }
}

- (ChatNavView *)navView {
    if (!_navView) {
        _navView = [ChatNavView shareInstance];
        _navView.frame = CGRectMake(0, 0, KPortraitWidth, kNaviBarHeight);
        MJWeakSelf;
        [_navView chatNavAction:^(CHATNAVACTION action) {
            [weakSelf navAction:action];
        }];
    }
    return _navView;
}

- (void)navAction:(CHATNAVACTION)action {
    switch (action) {
        case CHATNAVACTION_LIST:
        {
            [self.categoryView selectItemAtIndex:0];
        }
            break;
        case CHATNAVACTION_CONTACTS:
        {
            [self.categoryView selectItemAtIndex:1];
        }
            break;
        case CHATNAVACTION_CREATE:
        {
            CreateFansGroupViewController *ctrl = [[CreateFansGroupViewController alloc] init];
            [self.navigationController pushViewController:ctrl animated:YES];
        }
            break;
            
        default:
            break;
    }
}

#pragma mark - Custom Accessors

// 分页菜单视图
- (JXCategoryBaseView *)categoryView {
    if (!_categoryView) {
        _categoryView = [self preferredCategoryView];
        _categoryView.delegate = self;
        
        // !!!: 将列表容器视图关联到 categoryView
        _categoryView.listContainer = self.listContainerView;
    }
    return _categoryView;
}

// 列表容器视图
- (JXCategoryListContainerView *)listContainerView {
    if (!_listContainerView) {
        _listContainerView = [[JXCategoryListContainerView alloc] initWithType:JXCategoryListContainerType_ScrollView delegate:self];
        _listContainerView.scrollView.scrollEnabled = NO;
    }
    return _listContainerView;
}
/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end