tederen_c/smartRhino/Project/Base/SubClass/TabBarController/TabBarController.m

//
//  TabBarController.m
//  TCXF
//
//  Created by 张毅成 on 2017/6/22.
//  Copyright © 2017年 张毅成. All rights reserved.
//

#import "TabBarController.h"
#import "NavigationController.h"
#import "AppDelegate.h"
#import "CommonHomeVC.h"
#import "IndexViewController.h"
#import "ChatHomeVC.h"
#import "SourceHomeVC.h"

@interface TabBarController ()<UITabBarControllerDelegate>
@property (nonatomic, strong) UIView    * dotImage;
@end

@implementation TabBarController
TDShareInstance_implementation(TabBarController)
- (instancetype)init {
    if (self = [super init]) {
        [self addchlidVcs];
    }
    return self;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    self.delegate = self;
    [self setTabBarItemStyle];
    //池塘红点
}

/// 选择的当前控制器是否可以旋转
-(BOOL)shouldAutorotate{
    
    return [self.selectedViewController shouldAutorotate];
}

/// 选择的当前控制器是支持的旋转的方向
- (UIInterfaceOrientationMask)supportedInterfaceOrientations{
    
    return  [self.selectedViewController supportedInterfaceOrientations];
}

///
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation{
    
    return  [self.selectedViewController preferredInterfaceOrientationForPresentation];
}


/**
 *  根据参数, 创建并添加对应的子控制器
 *
 *  @param vc                需要添加的控制器(会自动包装导航控制器)
 *  @param isRequired             标题
 *  @param normalImageName   一般图片名称
 *  @param selectedImageName 选中图片名称
 */
- (void)addChildVC: (UIViewController *)vc  title:(NSString *)title normalImageName: (NSString *)normalImageName selectedImageName:(NSString *)selectedImageName isRequiredNavController: (BOOL)isRequired {
//    vc.view.backgroundColor = [UIColor whiteColor];
    if (isRequired) {
        NavigationController *nav = [[NavigationController alloc] initWithRootViewController:vc];
        UITabBarItem *tabBarItem = [[UITabBarItem alloc] initWithTitle:title image:[self originImageWithName:normalImageName] selectedImage:[self originImageWithName:selectedImageName]];
        nav.tabBarItem = tabBarItem;
        vc.title = title;
        [self addChildViewController:nav];
    }else {
        if([vc isKindOfClass:UINavigationController.class]){
            UITabBarItem *tabBarItem = [[UITabBarItem alloc] initWithTitle:title image:[self originImageWithName:normalImageName] selectedImage:[self originImageWithName:selectedImageName]];
            vc.tabBarItem = tabBarItem;
            vc.title = title;
        }
        [self addChildViewController:vc];
    }
} 

- (void)addchlidVcs {

    [self addChildVC:[self className:@"IndexViewController"] title:@"首页" normalImageName:@"bar_home_off" selectedImageName:@"bar_home_on" isRequiredNavController:true];
    
    [self addChildVC:[self className:@"ChatHomeVC"] title:@"消息" normalImageName:@"bar_msg_off" selectedImageName:@"bar_msg_on" isRequiredNavController:true];

    [self addChildVC:[self className:@"SourceHomeVC"] title:@"信源" normalImageName:@"bar_chat_off" selectedImageName:@"bar_chat_on" isRequiredNavController:true];

    [self addChildVC:[self className:@"CommonHomeVC"] title:@"常用" normalImageName:@"bar_work_off" selectedImageName:@"bar_work_on" isRequiredNavController:true];
}

- (void)setTabBarItemStyle{
    UITabBarItem *tabBarItem = [UITabBarItem appearance];
    [tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName:k6} forState:UIControlStateNormal];
    [tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName:kMainColor} forState:UIControlStateSelected];
}

- (instancetype)className:(NSString *)className {
    id controller = [NSClassFromString(className) new];
    return controller;
}

- (void)setSelectedIndex:(NSUInteger)selectedIndex {
    [super setSelectedIndex:selectedIndex];
}

- (UIImage *)originImageWithName:(NSString *)imageName{
    return [[UIImage imageNamed:imageName] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
}

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController {
    // 确保当前显示的是首页界面,本例中首页是第一个 tabBar
    if ([tabBarController.selectedViewController isEqual:[tabBarController.viewControllers firstObject]]) {
        // 再次选中的 tab 页面是之前上一次选中的控制器页面
        if ([viewController isEqual:tabBarController.selectedViewController]) {
            // 发送通知,让首页刷新数据
            [[NSNotificationCenter defaultCenter] postNotificationName:HOMESCROLLVIEWTOTOP object:nil];
            return NO;
        }
    }
    return YES;
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark 池塘红点
- (void)chatMsgRedPoint:(NSInteger)number {
    [self.dotImage removeFromSuperview];
    if(number == 0) {
        return;
    }else{
        CGFloat redPointX = (SCREEN_WIDTH / 4) * 3 - (SCREEN_WIDTH / 4)/2;
        CGFloat x = ceilf(redPointX) + 5;
        CGFloat y = 5;
        self.dotImage = [[UIView alloc] initWithFrame:CGRM(x, y, 10, 10)];
        UILabel *numLabel = [[UILabel alloc] init];
        self.dotImage.width = 16;
        self.dotImage.height = 16;
        self.dotImage.layer.cornerRadius = 8;
        [self.dotImage addSubview:numLabel];
        numLabel.frame = CGRectMake(0, 0, self.dotImage.width, self.dotImage.height);
        numLabel.font = [UIFont systemFontOfSize:11.0];
        numLabel.textAlignment = NSTextAlignmentCenter;
        numLabel.textColor = RGB(255, 255, 255);
        numLabel.text = [NSString stringWithFormat:@"%ld",(long)number];
        
        self.dotImage.backgroundColor = RGB(255, 82, 82);
        [self.tabBar addSubview:self.dotImage];
    }
}

@end