YYXC_School/LN_School/TerminalMapVC.m

//
//  TerminalMapVC.m
//  LN_School
//
//  Created by apple on 2017/4/13.
//  Copyright © 2017年 Danson. All rights reserved.
//

#import "TerminalMapVC.h"

#import "TerminalMapVC.h"
#import "TerminalListVC.h"

#import <BaiduMapAPI_Map/BMKMapComponent.h>//引入地图功能所有的头文件
#import <BMKLocationkit/BMKLocationComponent.h>//引入定位功能所有的头文件(新)
#import "MyAnnotationView.h"//自定义AnnotationView
#import "BMKClusterManager.h"//点聚合管理类

#define IS_Cluster NO //是否开启点聚合,另外全局搜索 “@点聚合”

/*
 *点聚合Annotation
 */
@interface ClusterAnnotation : BMKPointAnnotation

///所包含annotation个数
@property (nonatomic, assign) NSInteger size;

@end

@implementation ClusterAnnotation

@synthesize size = _size;

@end

@interface TerminalMapVC ()<BMKMapViewDelegate,BMKLocationManagerDelegate>
{
    NSArray               *dataArray;
    BOOL                  hasCenter;//是否已经设置中心点
    
    BMKMapView             *_mapView;

    //点聚合
    BMKClusterManager       *_clusterManager;//点聚合管理类
    NSInteger              _clusterZoom;//聚合级别
    NSMutableArray         *_clusterCaches;//点聚合缓存标注
    
    //地图定位
    BMKLocationManager      *_locService;
    
}
@property (nonatomic, strong) BMKUserLocation *userLocation;//当前位置对象

@end

@implementation TerminalMapVC

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.title = @"终端管理";
    self.view.backgroundColor = KBackGroundColor;
    [self goBackByNavigation];
    
    dataArray = [[NSArray alloc]init];
    hasCenter = NO;
    
    [self createMap];
    [self createClus];//点聚合
    [self getPoint];
}

-(void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    [_mapView viewWillAppear];
    _mapView.delegate = self; // 此处记得不用的时候需要置nil，否则影响内存的释放
}
-(void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    [_mapView viewWillDisappear];
    _mapView.delegate = nil; // 不用时，置nil
}

-(void)createRightBtn{
    UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
    btn.frame = CGRectMake(0, 0, 80, 44);
    btn.titleLabel.font = [UIFont systemFontOfSize:17];
    [btn setTitle:@"列表查看" forState:UIControlStateNormal];
    [btn setTitleColor:defGreen forState:UIControlStateNormal];
    [btn addTarget:self action:@selector(gotoList) forControlEvents:UIControlEventTouchUpInside];
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:btn];
}

-(void)gotoList{

    TerminalListVC *vc = [[TerminalListVC alloc]init];
    vc.dataArr = dataArray;
    
    vc.block = ^(NSString *section) {
        NSDictionary *dic = dataArray[[section integerValue]];
        CLLocationCoordinate2D coor;
        coor.latitude = [[NSString stringWithFormat:@"%@",dic[@"GPI_BD_LATITUDE"]] floatValue];
        coor.longitude = [[NSString stringWithFormat:@"%@",dic[@"GPI_BD_LONGITUDE"]] floatValue];
        if (coor.latitude>53 || coor.latitude<4 || coor.longitude<73 || coor.longitude>135) {
            ShowMsg(@"坐标值异常");
            [_locService startUpdatingLocation];
            
        }else{
            [_mapView setCenterCoordinate:coor animated:YES];
            for (ClusterAnnotation *annotation in _mapView.annotations) {
                if ([annotation.subtitle isEqualToString:section]) {
                    [_mapView selectAnnotation:annotation animated:YES];
                }
            }
            
        }
        
    };
    
    [self navPushHideTabbarToVC:vc];
}

#pragma mark 地图

-(void)createMap{
    
    _mapView = [[BMKMapView alloc]initWithFrame:[UIScreen mainScreen].bounds];
    _mapView.mapType = BMKMapTypeStandard;
    _mapView.isSelectedAnnotationViewFront = YES;
    _mapView.zoomLevel = 17;
    _mapView.showsUserLocation = YES;
    [self.view addSubview:_mapView];
    
    //定位功能
    _locService = [[BMKLocationManager alloc]init];
    _locService.distanceFilter = 10;//将被通知任何移动（若=10，表示超出10米才会回调位置信息）
    _locService.delegate = self;
    
}

-(void)createClus{
    
    _clusterCaches = [[NSMutableArray alloc] init];
    for (NSInteger i = 3; i < 22; i++) {
        [_clusterCaches addObject:[NSMutableArray array]];
    }
    
    //点聚合管理类
    _clusterManager = [[BMKClusterManager alloc] init];
}

//向点聚合管理类中添加标注
- (void)addPointAnnotationsWithArray:(NSArray *)array{
    
    for (int i=0; i<array.count; i++) {
        
        NSString * latStr  = [NSString stringWithFormat:@"%@",array[i][@"GPI_BD_LATITUDE"]];
        NSString * longStr = [NSString stringWithFormat:@"%@",array[i][@"GPI_BD_LONGITUDE"]];
        
        BMKClusterItem *clusterItem = [[BMKClusterItem alloc] init];
        CLLocationCoordinate2D coor;
        coor.latitude  = [latStr floatValue];
        coor.longitude = [longStr floatValue];
//        if (coor.latitude > coor.longitude) {
//            //不允许你反转经纬度
//            coor = CLLocationCoordinate2DMake([longStr floatValue], [latStr floatValue]);
//        }
        
        if (coor.latitude>53 || coor.latitude<4 || coor.longitude<73 || coor.longitude>135) {
            continue;
        }

        clusterItem.coor = coor;
        clusterItem.title = [NSString stringWithFormat:@"%@and%@",array[i][@"TCO_LICNUM"],array[i][@"TDI_IS_CONNECT"]];
        clusterItem.subTitle = [NSString stringWithFormat:@"%d",i];
        
        [_clusterManager addClusterItem:clusterItem];
        
    }
    
    if (IS_Cluster) {
        [self updateClusters];
    }else{
        [self updateClusters_other];
    }
    
}

//更新聚合状态
- (void)updateClusters {
    _clusterZoom = (NSInteger)_mapView.zoomLevel;
    @synchronized(_clusterCaches) {
       
        __block NSMutableArray *clusters = [_clusterCaches objectAtIndex:_clusterZoom - 3];
        
        if (clusters.count > 0) {
            [_mapView removeAnnotations:_mapView.annotations];
            [_mapView addAnnotations:clusters];
        } else {
            dispatch_async(dispatch_get_global_queue(0, 0), ^{
                
                ///获取聚合后的标注
                __block NSArray *array = [_clusterManager getClusters:_clusterZoom];
                
                if (array.count == 0) {
                    [_locService startUpdatingLocation];
                    return;
                }
                
                dispatch_async(dispatch_get_main_queue(), ^{
                    
                    for (BMKCluster *item in array) {
                        ClusterAnnotation *annotation = [[ClusterAnnotation alloc] init];
                        annotation.coordinate = item.coordinate;
                        annotation.size = item.size;
                        annotation.title = item.title;
                        annotation.subtitle = item.subTitle;
                        [clusters addObject:annotation];
//                        NSLog(@"zzzz : %@",item.subTitle);
                        if (hasCenter == NO) {
                            hasCenter = YES;
                            [_mapView setCenterCoordinate:annotation.coordinate animated:YES];
                        }
                    }
                    [_mapView removeAnnotations:_mapView.annotations];
                    [_mapView addAnnotations:clusters];
                    [_clusterCaches replaceObjectAtIndex:_clusterZoom - 3 withObject:clusters];
                });
            });
        }
    }
}


//更新聚合状态(不要点聚合功能调此接口)
- (void)updateClusters_other {
    
    _clusterZoom = (NSInteger)_mapView.zoomLevel;
    @synchronized(_clusterCaches) {
        __block NSMutableArray *clusters = [_clusterCaches objectAtIndex:0];
        
        if (clusters.count == 0) {
            dispatch_async(dispatch_get_global_queue(0, 0), ^{
                
                ///获取聚合后的标注
                __block NSArray *array = [_clusterManager getClusters:_clusterZoom];
                
                if (array.count == 0) {
                    [_locService startUpdatingLocation];
                    return;
                }
                
                dispatch_async(dispatch_get_main_queue(), ^{
                
                    for (BMKCluster *item in array) {
                        ClusterAnnotation *annotation = [[ClusterAnnotation alloc] init];
                        annotation.coordinate = item.coordinate;
                        annotation.size = item.size;
                        annotation.title = item.title;
                        annotation.subtitle = item.subTitle;
                        [clusters addObject:annotation];
//                        NSLog(@"zzzz : %ld",item.size);
                        if (!hasCenter) {
                            hasCenter = YES;
                            [_mapView setCenterCoordinate:annotation.coordinate animated:YES];
                        }
                    }
                    [_mapView removeAnnotations:_mapView.annotations];
                    [_mapView addAnnotations:clusters];
                    [_clusterCaches replaceObjectAtIndex:0 withObject:clusters];
                });
            });
        }
    }
}


//标注的代理
-(BMKAnnotationView *)mapView:(BMKMapView *)mapView viewForAnnotation:(id<BMKAnnotation>)annotation
{
    if ([annotation isKindOfClass:[BMKPointAnnotation class]]) {
        MyAnnotationView *annotationView = [MyAnnotationView annotationViewWithMapView:mapView Annotation:annotation];
        ClusterAnnotation *cluster = (ClusterAnnotation*)annotation;
        //size依赖annotion
        annotationView.annotation = cluster;
//        NSLog(@"viewForAnnotation: %@ and %ld",annotationView.annotationImageView,(long)cluster.size);
        annotationView.size = cluster.size;
        annotationView.dic = dataArray[[annotation.subtitle integerValue]];
        return annotationView;
    }
    return nil;
}

/**
 *当选中一个annotation views时，调用此接口
 *@param mapView 地图View
 *@param view 选中的annotation views
 */
- (void)mapView:(BMKMapView *)mapView didSelectAnnotationView:(BMKAnnotationView *)view{
    
    if ([view isKindOfClass:[MyAnnotationView class]]) {
        ClusterAnnotation *clusterAnnotation = (ClusterAnnotation*)view.annotation;
        if (clusterAnnotation.size > 1) {
            NSLog(@"%lf,%lf",view.annotation.coordinate.latitude,view.annotation.coordinate.longitude);
            [mapView setCenterCoordinate:view.annotation.coordinate];// animated:YES 不要使用动画，会影响其它操作
            [mapView zoomIn];
        }
    }

}

/**
 *地图初始化完毕时会调用此接口
 *@param mapView 地图View
 */
- (void)mapViewDidFinishLoading:(BMKMapView *)mapView {
    if (IS_Cluster) {
        [self updateClusters];
    }else{
        [self updateClusters_other];
    }
}

//点聚合@lee 如果需要点聚合功能的话，就把注释打开
/**
 *地图渲染每一帧画面过程中，以及每次需要重绘地图时（例如添加覆盖物）都会调用此接口
 *@param mapView 地图View
 *@param status 此时地图的状态
 */
- (void)mapView:(BMKMapView *)mapView onDrawMapFrame:(BMKMapStatus *)status {

    if (_clusterZoom != 0 && _clusterZoom != (NSInteger)mapView.zoomLevel && IS_Cluster) {
        [self updateClusters];
    }
}

#pragma mark    定位相关
/**用户拒绝开启定位服务等原因导致的定位失败会调用的方法
 */
- (void)BMKLocationManager:(BMKLocationManager *)manager didFailWithError:(NSError *)error {
    UIAlertView *alert =[[UIAlertView alloc]initWithTitle:@"温馨提示" message:@"未打开位置访问权限" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil];//@"请在iPhone的“设置”-“隐私”-“定位服务”功能中，找到“优易学车”打开位置访问权限"
    [alert show];
    [_locService stopUpdatingLocation];
}


//处理位置坐标更新
- (void)BMKLocationManager:(BMKLocationManager *)manager didUpdateLocation:(BMKLocation *)location orError:(NSError *)error {
    _mapView.showsUserLocation = YES;//显示定位图层
    self.userLocation.location = location.location;
    [_mapView updateLocationData:_userLocation];
    _mapView.centerCoordinate = _userLocation.location.coordinate;
    [_locService stopUpdatingLocation];
}

#pragma mark 网络请求

- (void)getPoint {
    if (![NetManager connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    NSMutableDictionary *dic = [NSMutableDictionary dictionary];
    [dic setObject:defUser.userDict[@"school"]  forKey:@"schoolId"];
    if (_terminalType) {
        [dic setObject:_terminalType forKey:@"type"];
    }
    
    NSString *method = @"devs";
    [MBProgressHUD showLoadToView:self.view];
    [NetManager requestAnythingWithURL:method dictionary:dic dataArray:nil completion:^(NSDictionary *root) {
        
        [MBProgressHUD hideHUDForView:self.view];
        
        if (!root) {
            ShowMsg(@"数据请求失败,请重试");
            return;
        }
        if ([root[@"code"] integerValue] == 1) {
            ShowMsg(root[@"msg"]);
            return;
        }
        
        
        dataArray = root[@"body"];
        
        if (dataArray == 0) {
            [_locService startUpdatingLocation];
            return;
        }
        
        [self createRightBtn];
        [self addPointAnnotationsWithArray:dataArray];
        
    }];
}


- (BMKUserLocation *)userLocation {
    if (!_userLocation) {
        _userLocation = [[BMKUserLocation alloc] init];
    }
    return _userLocation;
}



@end