YYXC_Student/jiaPei/NeighbouringVC.m

//
//  NeighbouringVC.m
//  jiaPei
//
//  Created by apple on 2017/6/27.
//  Copyright © 2017年 JCZ. All rights reserved.
//

#import "NeighbouringVC.h"
#import "NeighbourTableView.h"
#import "NeighbourCell.h"
#import "NeighbourBMKPointAnnotation.h"
#import "NeighbourBMKAnnotationView.h"

#import "SchDetailVC.h"
#import "SearchBase.h"
#import "ApplyVC.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 <BaiduMapAPI_Utils/BMKUtilsComponent.h>
#import "BMKClusterManager.h"//点聚合管理类

#define kAlphaNum   @"0123456789."//限制输入字符类型

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

///所包含annotation个数
@property (nonatomic, assign) NSInteger size;
@property (nonatomic, strong) NSArray *dataArr;

@end

@implementation ClusterAnnotation

@synthesize size = _size;

@end

@interface NeighbouringVC ()<BMKMapViewDelegate,BMKLocationManagerDelegate,UITableViewDelegate,UITableViewDataSource,UIGestureRecognizerDelegate,UITextFieldDelegate>
{
    BMKMapView         *_mapView;
    CLLocation        *myLocation;
    //搜索中心点
    BMKPointAnnotation *_movePoint;
    BMKPinAnnotationView *_movePointView;

    //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
    NSArray           *_tableVDataSource;//点聚合对应数据
    ClusterAnnotation *_currentSelectedAnnotion;
    
    
    NeighbourTableView  *mainTableView;
    UIButton           *moreBtn;
    
    NSArray            *dataArray;
    NSString           *distanceString;//搜索范围
    NSString           *searchHistoryDistance;//历史搜索输入记录
    CGFloat            bothStateMapHeight;
    CGFloat            mapDisY;
    NSInteger          tableState; // 1全屏 2半屏 3消失
    BOOL               isLoading;
    
    UIPanGestureRecognizer *mapPan;
    UIPanGestureRecognizer *tableViewPan;
    
    CGFloat bottomBar_height;//底部限制高度
}


@property (nonatomic, strong) NeighbourCell *detailCell;
@property (nonatomic, strong) UIView *btnBar;
@end

@implementation NeighbouringVC

- (void)dealloc{
    [_movePointView removeObserver:self forKeyPath:@"dragState"];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    self.navigationItem.title = @"附近报名点";
    self.view.backgroundColor = backGroundColor;
    //    [self configNavigationBar];
    
    bottomBar_height = _isPushed ? kSafeAreaBottomHeight : kTabBarHeight;
    if (_isPushed) {
        [self configNavigationBar];
    }
    
    [self myInit];
}

-(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
    if (IOS11) {
        mainTableView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
    }else{
        self.automaticallyAdjustsScrollViewInsets = NO;
    }
    
    self.navigationController.navigationBar.translucent = YES;
}

-(void)viewWillDisappear:(BOOL)animated
{
    self.navigationController.navigationBar.translucent = NO;
    [super viewWillDisappear:animated];
    
    self.hidesBottomBarWhenPushed = NO;
    
    [_mapView viewWillDisappear];
    _mapView.delegate = nil; // 不用时，置nil
}

- (void)myInit {
    UIBarButtonItem *item = [UIBarButtonItem rq_systemItemWithTitle:@"选择距离" titleColor:defGreen imageName:@"" target:self selector:@selector(changeDistance) textType:YES];
    self.navigationItem.rightBarButtonItem = item;
    
    
    bothStateMapHeight = (kSize.height - kNavOffSet - bottomBar_height)*0.4;
    
    /*
     全屏地图的中心点：kSize.height/2.0 - 50 - bottomBar_height + kNavOffSet;
     半屏地图的中心点：kNavOffSet + bothStateMapHeight/2.0;
     差值：kSize.height/2.0 - 50 - bottomBar_height + kNavOffSet  - kNavOffSet - bothStateMapHeight/2.0 =
     kSize.height/2.0 - 50 - bottomBar_height - bothStateMapHeight/2.0
     */
    mapDisY = kSize.height/2.0 - 50 - bottomBar_height - bothStateMapHeight/2.0;
    
    
//查看更多地图
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, kSize.height - bottomBar_height - 50 - mapDisY, kSize.width, 50)];
    [label setText:@"手指松开查看全屏地图" Font:FontLarger TextColor:kTitleColor Alignment:NSTextAlignmentCenter];
    [self.view addSubview:label];
    
    _mapView = [[BMKMapView alloc]initWithFrame:CGRectMake(0, kNavOffSet - mapDisY, kSize.width, kSize.height -kNavOffSet - bottomBar_height - 50)];
    _mapView.mapType = BMKMapTypeStandard;
    _mapView.showMapScaleBar = YES;
    _mapView.userTrackingMode = BMKUserTrackingModeNone;
    _mapView.zoomLevel = 14.7;
    _mapView.showsUserLocation = YES;
    
    BMKLocationViewDisplayParam *displayParam = [[BMKLocationViewDisplayParam alloc]init];
    displayParam.isRotateAngleValid = true;//跟随态旋转角度是否生效
    displayParam.isAccuracyCircleShow = false;//精度圈是否显示
    displayParam.locationViewOffsetX = 0;//定位偏移量(经度)
    displayParam.locationViewOffsetY = 0;//定位偏移量（纬度）
    [_mapView updateLocationViewWithParam:displayParam];
    
    [self.view addSubview:_mapView];
    
//点聚合管理类
    _clusterManager = [[BMKClusterManager alloc] init];
    [self createClus];//点聚合缓存
    
    mapPan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(mapGesTure)];
    [_mapView addGestureRecognizer:mapPan];
    
    
    isLoading = NO;
    tableState = 2;
    dataArray = [NSArray array];
    distanceString = @"3000";
    
//定位功能
    [self getMylocation];
    
    UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
    btn.frame = CGRectMake(kSize.width-70, _mapView.height-60, 37, 37);
    btn.backgroundColor = [UIColor whiteColor];
    [btn setImage:[UIImage imageNamed:@"nei_meLocation.png"] forState:UIControlStateNormal];
    btn.contentEdgeInsets = UIEdgeInsetsMake(7, 7, 7, 7);
    btn.layer.cornerRadius = 37/2;
    btn.layer.shadowOffset = CGSizeMake(2, 2);
    btn.layer.shadowRadius = 2;
    btn.layer.shadowColor = [UIColor darkGrayColor].CGColor;//shadowColor阴影颜色
    btn.layer.shadowOpacity = 0.8;//阴影透明度，默认0

    [btn addTarget:self action:@selector(getMylocation) forControlEvents:UIControlEventTouchUpInside];
    [_mapView addSubview:btn];
    
//表
    mainTableView = [[NeighbourTableView alloc] initWithFrame:CGRectMake(0, kNavOffSet + bothStateMapHeight, kSize.width, kSize.height - kNavOffSet - bottomBar_height) style:UITableViewStylePlain];
    mainTableView.delegate = self;
    mainTableView.dataSource = self;
    mainTableView.isCanPan = NO;
    mainTableView.rowHeight = 125;
    mainTableView.tableFooterView = [UIView new];
    [self.view addSubview:mainTableView];
    
    tableViewPan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(tableViewGesTure:)];
    tableViewPan.delegate = self;
    [self.view addGestureRecognizer:tableViewPan];
}

- (void)changeDistance {
    
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:nil message:@"请选择搜索距离" preferredStyle:UIAlertControllerStyleAlert];
    UIAlertAction *search1Action = [UIAlertAction actionWithTitle:@"3km" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        distanceString = @"3000";
        [self getSchPoints];
    }];
    UIAlertAction *search2Action = [UIAlertAction actionWithTitle:@"4km" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        distanceString = @"4000";
        [self getSchPoints];
    }];
    UIAlertAction *search3Action = [UIAlertAction actionWithTitle:@"5km" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        distanceString = @"5000";
        [self getSchPoints];
    }];
    UIAlertAction *search4Action = [UIAlertAction actionWithTitle:@"10km" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        distanceString = @"10000";
        [self getSchPoints];
    }];
    UIAlertAction *search5Action = [UIAlertAction actionWithTitle:@"自定义  >" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
        [self setSearchDistance];
    }];
    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
    [alert addAction:search1Action];
    [alert addAction:search2Action];
    [alert addAction:search3Action];
    [alert addAction:search4Action];
    [alert addAction:search5Action];
    [alert addAction:cancelAction];
    [self presentViewController:alert animated:YES completion:nil];
}

-(void)setSearchDistance{
    
    UIAlertController *alertFind = [UIAlertController alertControllerWithTitle:@"自定义搜索范围" message:@"例如:5.2km以内,则输入“5.2”" preferredStyle:UIAlertControllerStyleAlert];
    
    [alertFind addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
        textField.placeholder = @"请输入搜素范围公里数___(km)";
        if (searchHistoryDistance) {
            textField.placeholder = searchHistoryDistance;
        }
        textField.delegate = self;
        textField.keyboardType = UIKeyboardTypeNumbersAndPunctuation;
    }];
    [alertFind addAction:[UIAlertAction actionWithTitle:@"开始搜索" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        
        UITextField *tf = [alertFind textFields][0];
        if ([tf.text floatValue] == 0) {
            ShowMsg(@"未输入搜索范围");
            return;
        }
        searchHistoryDistance = tf.text;
        
        NSString *new = [NSString stringWithFormat:@"%lf",[tf.text floatValue]*1000];
        if ([new isEqualToString:distanceString]) {
            return;
        }
        distanceString = new;
        [self getSchPoints];
    }]];
    [alertFind addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
    }]];
    
    [self presentViewController:alertFind animated:true completion:nil];
}

- (void)mapGesTure {
    //地图放至最大 表消失
    [self setUITableViewDis];
}

- (void)tableViewGesTure:(UIPanGestureRecognizer *)gesture {
    
    //获取滑动的距离 作出表格移动效果 如果向上移动 在最后 做mapDis操作 否则做tabdis操作
    
    CGPoint point = [gesture translationInView:self.view];//相对父视图的所有偏移量
    //NSLog(@"point-->(%f,%f)",point.x,point.y);
    
    if (bothStateMapHeight + point.y <= 0.0 || bothStateMapHeight + point.y > kSize.height - kNavOffSet - bottomBar_height - 50) {
        //滑到最上或者最下面了 直接调接口吧
        
        if (point.y > 0) {
            [self setUITableViewDis];
        }else {
            [self setUIMapDis];
        }
        return;
    }
    
    if (tableState == 1) {
        if (mainTableView.y < kNavOffSet + bothStateMapHeight) {
            mainTableView.y = kNavOffSet + 2.4*point.y;
        }else {
            mainTableView.y = kNavOffSet + point.y;
        }
    }else if (tableState == 2) {
        mainTableView.y = kNavOffSet + bothStateMapHeight + point.y;
    }else {
        mainTableView.y = CGRectGetMaxY(_mapView.frame);
    }
    
    if (gesture.state == UIGestureRecognizerStateEnded || gesture.state == UIGestureRecognizerStateCancelled) {
        //滑动结束 判断滑动后最终状态
        if (point.y < -10) {
            [self setUIMapDis];
        }else if (point.y < 10){
            [self setUIBothApper];
        }else {
            [self setUITableViewDis];
        }
    }
}


- (void)setUIMapDis {
    
    [_mapView removeGestureRecognizer:mapPan];
    [self.view removeGestureRecognizer:tableViewPan];
    
    mainTableView.y = kNavOffSet;
    mainTableView.isCanPan = YES;
    tableState = 1;
}

- (void)setUITableViewDis {
    
    if (_currentSelectedAnnotion && _currentSelectedAnnotion.size > 1) {
        [_mapView deselectAnnotation:_currentSelectedAnnotion animated:YES];
    }
    
    [_mapView removeGestureRecognizer:mapPan];
    [self.view removeGestureRecognizer:tableViewPan];
    
    _mapView.y = kNavOffSet;
    mainTableView.y = CGRectGetMaxY(_mapView.frame);
    [self addLoadingMore];
    tableState = 3;
}

- (void)addLoadingMore {
    
    if (![self.view.subviews containsObject:moreBtn]) {
        moreBtn = [[UIButton alloc] initWithFrame:CGRectMake(0, kSize.height - bottomBar_height - 50, kSize.width, 50)];
        moreBtn.backgroundColor = [UIColor whiteColor];
        [moreBtn setTitle:@"点击展开更多结果" textColor:kTitleColor font:Font17 fotState:UIControlStateNormal];
        [moreBtn target:self tag:1];
        [self.view addSubview:moreBtn];
    }
}

- (void)setUIBothApper {
    
    //移除
    if (moreBtn.superview) {
        [moreBtn removeFromSuperview];
    }
    //移除
    if ([self.view.subviews containsObject:self.detailCell]) {
        [self.detailCell removeFromSuperview];
    }
    //移除
    if ([self.view.subviews containsObject:self.btnBar]) {
        [self.btnBar removeFromSuperview];
    }
    
    if (mapPan) {
        [_mapView addGestureRecognizer:mapPan];
    }else {
        mapPan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(mapGesTure)];
        [_mapView addGestureRecognizer:mapPan];
    }
    
    if (tableViewPan) {
        [self.view addGestureRecognizer:tableViewPan];
    }else {
        tableViewPan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(tableViewGesTure:)];
        [self.view addGestureRecognizer:tableViewPan];
    }
    
    _mapView.y = kNavOffSet - mapDisY;
    mainTableView.y = kNavOffSet + bothStateMapHeight;
    mainTableView.isCanPan = NO;
    tableState = 2;
}

- (NeighbourCell *)detailCell {
    if (!_detailCell) {
        _detailCell = [[NeighbourCell alloc] initWithFrame:CGRectMake(0, kSize.height - bottomBar_height - 40 - 125 , kSize.width, 125)];
        _detailCell.contentView.backgroundColor = [UIColor whiteColor];
        UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(0, 0 , kSize.width, 125)];
        [btn target:self tag:2];
        [_detailCell.contentView addSubview:btn];
    }
    
    return _detailCell;
}

- (UIView *)btnBar {
    
    if (!_btnBar) {
        _btnBar = [[UIView alloc] initWithFrame:CGRectMake(0, kSize.height - bottomBar_height - 40, kSize.width, 40)];
        _btnBar.backgroundColor = [UIColor whiteColor];
        NSArray *titleArray = @[@" 电话",@" 搜驾校",@" 报名"];
        NSArray *imgArray = @[@"neighbour_tel",@"neighbour_search",@"neighbour_apply"];
        
        [_btnBar addSelfViewWithRect:CGRectMake(0, 0, _btnBar.width, 1) Color:KlineColor];
        for (int i = 0; i < titleArray.count; i ++) {
            UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(kSize.width/3.0*i, 0, kSize.width/3.0, 40)];
            [btn setImage:[UIImage imageNamed:imgArray[i]] withTitle:titleArray[i] Font:FontTitle forState:UIControlStateNormal];
            [btn target:self tag:3 + i];
            [_btnBar addSubview:btn];
        }
    }
    return _btnBar;
}

- (void)btnClick:(UIButton *)sender {

    if (sender.tag == 1) {
        
        if (dataArray.count == 0) {
            ShowMsg(@"指定范围没有报名点哦！");
            return;
        }
        
        _tableVDataSource = dataArray;
        [self setUIBothApper];
    }
    if (sender.tag == 2) {
        //跳转至详情页
        SchDetailVC *vc = [[SchDetailVC alloc] init];
        vc.schoolId = _detailCell.dataDic[@"SCHID"];
        [self navPushHideTabbarToVC:vc];
    }
    
    //三四五 分别是 电话 找驾校 报名
    if (sender.tag == 3) {
        //电话
        NSString *telephone = _detailCell.dataDic[@"PHONE"];
        if (!telephone || telephone.length == 0) {
            ShowMsg(@"暂未获取到联系电话");
            return;
        }
        
        UIAlertController *alert = [UIAlertController alertControllerWithTitle:nil message:telephone preferredStyle:UIAlertControllerStyleAlert];
        UIAlertAction *telAction = [UIAlertAction actionWithTitle:@"呼叫" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
            NSMutableString * url=[[NSMutableString alloc] initWithFormat:@"tel:%@",telephone];
            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]];
        }];
        UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
        [alert addAction:telAction];
        [alert addAction:cancelAction];
        [self presentViewController:alert animated:YES completion:nil];
    }
    
    if (sender.tag == 4) {
        SearchBase *vc = [[SearchBase alloc] init];
        vc.type = 2;
        [self navPushHideTabbarToVC:vc];
    }
    
    if (sender.tag == 5) {
        
        ApplyVC *vc = [[ApplyVC alloc] init];
        vc.jxbh = _detailCell.dataDic[@"TSP_SCHOOL_ID"];
        vc.jxmc = _detailCell.dataDic[@"SCHOOLNAME"];
        [self navPushHideTabbarToVC:vc];
    }
}

#pragma mark textfiledDelegate
//输入限制
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string;
{
    
    //先设置只能输入的集合  invertedSet就是将咱们允许输入的字符串的字符找出
    NSCharacterSet *canInputSet = [[NSCharacterSet characterSetWithCharactersInString:kAlphaNum] invertedSet];
    //把允许输入的内容转化成数组,再转化成字符串
    NSString *str = [[string componentsSeparatedByCharactersInSet:canInputSet] componentsJoinedByString:@""];
    //判断输入的字符是否包含在允许输入的字符之内
    BOOL isSuccess = [string isEqualToString:str];
    //限制文本框输入内容的长度不得超过10且有输入内容的限制
    if (textField.text.length <= 5 && isSuccess){
        //返回值为YES的时候,文本框可以进行编辑
        return YES;
    }else{
        
        if (!isSuccess) {
            return NO;
        }
        if (str.length == 0) {
            return YES;
        }
        //str=nil 删除
        return NO;
    }
    
}

#pragma mark - 定位
- (void)getMylocation {
    [[MapManager sharedManager] updateLocationWithCompleteBlock:^(BOOL success, CLLocation * _Nonnull location) {
        if (success) {
            [self->_mapView setCenterCoordinate:location.coordinate];
            self->myLocation = location;
            
            if (self->dataArray.count == 0) {
                [self addMovePointForSearchWith:self->myLocation.coordinate];
                //获取报名点信息
                [self getSchPoints];
            }
        }
    }];
}
#pragma mark  -添加大头针
-(void)addMovePointForSearchWith:(CLLocationCoordinate2D)coordinate{
    if (_movePoint) {
        if (_movePoint.coordinate.latitude == coordinate.latitude && _movePoint.coordinate.longitude == coordinate.longitude) {
            return;
        }
        _movePoint.coordinate = coordinate;
        return;
    }
    BMKPointAnnotation *point = [[BMKPointAnnotation alloc]init];
    _movePoint = point;
    point.title = @"在此点附近搜索";
    point.subtitle = @"（长按移动位置）";
    point.coordinate = coordinate;
    [_mapView addAnnotation:point];
}

#pragma mark       地图相关

-(void)createClus{
    
    _clusterCaches = [[NSMutableArray alloc] init];
    for (NSInteger i = 3; i < 22; i++) {
        [_clusterCaches addObject:[NSMutableArray array]];
    }
    
}

//加标注点
- (void)addAnnotation {
    
    //添加前先清理地图上之前的标注
    if (_mapView.annotations.count > 0) {
        [_clusterManager clearClusterItems];
        [self createClus];
    }
    
    [_mapView setCenterCoordinate:_movePoint.coordinate];
    
    for (NSDictionary *dic in dataArray) {
        
        BMKClusterItem *clusterItem = [[BMKClusterItem alloc] init];
        CLLocationCoordinate2D coor;
        coor = CLLocationCoordinate2DMake([dic[@"TSP_LAT"] floatValue], [dic[@"TSP_LNG"] floatValue]);
        
        if (coor.latitude>53 || coor.latitude<4 || coor.longitude<73 || coor.longitude>135) {
            continue;
        }
        
        clusterItem.coor = coor;
        clusterItem.dataDic = dic;
        
        [_clusterManager addClusterItem:clusterItem];
    }
    
    if (_movePoint) {//这个判断。。其实前面是定位成功才会走到这里面的
        
        // 添加圆形覆盖物
        [_mapView removeOverlays:_mapView.overlays];
        double radius = [distanceString doubleValue];
        BMKCircle *circle = [BMKCircle circleWithCenterCoordinate:_movePoint.coordinate radius:radius];
        [_mapView addOverlay:circle];
    
        //限制地图显示范围   以下方法只是计算个大概 测试还ok。所以就用了
        /*关于经纬度十进制表示法
        对于两个点，在纬度相等的情况下：
        经度每隔0.00001度，距离相差约1米；每隔0.0001度，距离相差约10米；每隔0.001度，距离相差约100米；每隔0.01度，距离相差约1000米；每隔0.1度，距离相差约10000米。
        
        对于两个点，在经度相等的情况下：
        纬度每隔0.00001度，距离相差约1.1米；每隔0.0001度，距离相差约11米；每隔0.001度，距离相差约111米；每隔0.01度，距离相差约1113米；每隔0.1度，距离相差约11132米。*/
        _mapView.maxZoomLevel = 21;
        _mapView.minZoomLevel = 3;
        CLLocationCoordinate2D center = _movePoint.coordinate;
        radius *= 1.3;
        CLLocationCoordinate2D left = CLLocationCoordinate2DMake(center.latitude-radius*0.00001, center.longitude);
        CLLocationCoordinate2D right = CLLocationCoordinate2DMake(center.latitude+radius*0.00001, center.longitude);
        
        BMKPointAnnotation *leftAn = [[BMKPointAnnotation alloc]init];
        leftAn.coordinate = left;
        BMKPointAnnotation *rightAN = [[BMKPointAnnotation alloc]init];
        rightAN.coordinate = right;
        
        [_mapView showAnnotations:@[leftAn,rightAN] animated:YES];
    }
    
    [self updateClusters];
}

//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) {
            [self removeAnnotations];
            [_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) {
                    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.dataDic = item.dataDic;
                        annotation.dataArr = item.dataArr;
                        [clusters addObject:annotation];
                    }
                    [self removeAnnotations];
                    [_mapView addAnnotations:clusters];
                    
                    [_clusterCaches replaceObjectAtIndex:_clusterZoom - 3 withObject:clusters];
                    
                });
            });
        }
    }
}



//根据overlay生成对应的View
- (BMKOverlayView *)mapView:(BMKMapView *)mapView viewForOverlay:(id <BMKOverlay>)overlay
{
    if ([overlay isKindOfClass:[BMKCircle class]])
    {
        BMKCircleView* circleView = [[BMKCircleView alloc] initWithOverlay:overlay];
        circleView.fillColor = [UIColor colorWithRed:35/255.0 green:160/255.0 blue:227/255.0 alpha:0.1];
//        circleView.strokeColor = [UIColor lightGrayColor];
//        circleView.lineWidth = 0.5;
        
        return circleView;
    }
    return nil;
}

//标注的代理
-(BMKAnnotationView *)mapView:(BMKMapView *)mapView viewForAnnotation:(id<BMKAnnotation>)annotation
{
    //普通annotation
    if (annotation == _movePoint) {
        NSString *AnnotationViewID = @"renameMark";
        BMKPinAnnotationView *annotationView = (BMKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:AnnotationViewID];
        if (annotationView == nil) {
            annotationView = [[BMKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:AnnotationViewID];
            _movePointView = annotationView;
            // 设置颜色
            annotationView.pinColor = BMKPinAnnotationColorPurple;
            // 设置可拖拽
            annotationView.draggable = YES;
            [annotationView addObserver:self forKeyPath:@"dragState" options:NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld context:nil];
        }
        return annotationView;
    }
    
    if ([annotation isKindOfClass:[NeighbourBMKPointAnnotation class]]) {
        NeighbourBMKAnnotationView *view = [NeighbourBMKAnnotationView annotationViewWithMapView:mapView Annotation:(BMKPointAnnotation *)annotation];
        view.block = ^(NeighbourBMKPointAnnotation *clickedAnnotation) {
            NSDictionary *dic = clickedAnnotation.dataDic;

            BMKOpenDrivingRouteOption *opt = [[BMKOpenDrivingRouteOption alloc] init];
            opt.appScheme = @"baidumapsdk://mapsdk.baidu.com";
            opt.isSupportWeb = YES;//调起百度地图客户端失败后，是否支持调起web地图，默认：YES
            //指定起点
            BMKPlanNode *start = [[BMKPlanNode alloc]init];
            start.pt = myLocation.coordinate;
            opt.startPoint = start;
            
            //指定终点名称
            BMKPlanNode *end = [[BMKPlanNode alloc]init];
            end.pt = CLLocationCoordinate2DMake([dic[@"TSP_LAT"] floatValue], [dic[@"TSP_LNG"] floatValue]);
            opt.endPoint = end;
            
            BMKOpenErrorCode code = [BMKOpenRoute openBaiduMapDrivingRoute:opt];
            if (code == 1 || code == 0) {
                
            }else{
                ShowMsg(@"打开百度地图失败");
            }
        };
        
        ClusterAnnotation *cluster = (ClusterAnnotation*)annotation;
        view.annotation = cluster;//这一步如果不写的话 拿到的view。annotation == nil；按道理是应该在前面获取view的地方已经传入了annotation
        view.size = cluster.size;//size依赖annotati的值
        return view;
    }
    return nil;
}

/**
 * 当选中一个annotation views时，调用此接口
 * @param mapView 地图View
 * @param views 选中的annotation views
 */
- (void)mapView:(BMKMapView *)mapView didSelectAnnotationView:(BMKAnnotationView *)view
{
    //NeighbourBMKAnnotationView 点击处理
    if ([view isKindOfClass:[NeighbourBMKAnnotationView class]]) {
        _currentSelectedAnnotion = (ClusterAnnotation *)view.annotation;
        [self setUITableViewDis];
        
        ClusterAnnotation *annotation = (ClusterAnnotation *)view.annotation;
        
        if (annotation.dataArr.count > 1) {
            _tableVDataSource = annotation.dataArr;
            [mainTableView reloadData];
            [self setUIBothApper];
            return;
        }else{
            
            NeighbourBMKPointAnnotation *annotation = (NeighbourBMKPointAnnotation *)view.annotation;
            if (![self.view.subviews containsObject:self.detailCell]) {
                //不知道为什么初始化时候的设置没起到作用
                self.detailCell.frame = CGRectMake(0, kSize.height - bottomBar_height - 40 - 125 , kSize.width, 125);
                [self.view addSubview:self.detailCell];
                
            }
            self.detailCell.dataDic = annotation.dataDic;
            
            if (![self.view.subviews containsObject:self.btnBar]) {
                [self.view addSubview:self.btnBar];
            }
        }
    }
    
}

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

/**
 *  选中气泡调用方法
 *  @param mapView 地图
 *  @param view    annotation
 */
- (void)mapView:(BMKMapView *)mapView annotationViewForBubble:(BMKAnnotationView *)view
{
    if (view == _movePointView) {
        [_mapView deselectAnnotation:view.annotation animated:YES];
        [self changeDistance];
        return;
    }
    
    if ([view isKindOfClass:[NeighbourBMKAnnotationView class]]) {
        ClusterAnnotation *annotation = (ClusterAnnotation *)view.annotation;
        NSDictionary *dic = annotation.dataDic;
        SchDetailVC *vc = [[SchDetailVC alloc] init];
        vc.schoolId = dic[@"SCHID"];
        [self navPushHideTabbarToVC:vc];
    }
}

/**
 *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) {
        [self updateClusters];
    }
}

- (void)mapView:(BMKMapView *)mapView onClickedMapBlank:(CLLocationCoordinate2D)coordinate{
    //移除
    if ([self.view.subviews containsObject:self.detailCell]) {
        [self.detailCell removeFromSuperview];
    }
    
    if ([self.view.subviews containsObject:self.btnBar]) {
        [self.btnBar removeFromSuperview];
    }
    
    [self setUITableViewDis];
}

//移除anantions
- (void)removeAnnotations{
    NSMutableArray *annotations = [NSMutableArray arrayWithArray:_mapView.annotations];
    if ([annotations containsObject:_movePoint]) {
        [annotations removeObject:_movePoint];
    }
    [_mapView removeAnnotations:annotations];
}

#pragma mark - 监听movePoint的拖动状态
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context{
    if([keyPath isEqualToString:@"dragState"])
    {
//        NSLog(@"赋值后--%lu",(unsigned long)_movePointView.dragState);
//        NSLog(@"新的值--%@",change[@"new"]);
//        NSLog(@"以前的值--%@",change[@"old"]);
        NSString *new = [NSString stringWithFormat:@"%@",change[@"new"]];
        NSString *old = [NSString stringWithFormat:@"%@",change[@"old"]];
        if ([new integerValue] == BMKAnnotationViewDragStateEnding && [old integerValue] == BMKAnnotationViewDragStateDragging) {
            [_mapView selectAnnotation:_movePoint animated:YES];
        }
    }
}

#pragma mark      tableview
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return _tableVDataSource.count;
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    NeighbourCell *cell = [tableView dequeueReusableCellWithIdentifier:@"neighbourCell"];
    if (cell == nil) {
        cell = [[NeighbourCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"neighbourCell"];
    }
    
    cell.dataDic = _tableVDataSource[indexPath.row];
    return cell;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    
    NSDictionary *dic = _tableVDataSource[indexPath.row];
    SchDetailVC *vc = [[SchDetailVC alloc] init];
    vc.schoolId = dic[@"SCHID"];
    [self navPushHideTabbarToVC:vc];
}

#pragma mark    数据请求
-(void)getSchPoints
{
    [self setUITableViewDis];
    
    if ([distanceString floatValue] == 0) {
        return;
    }
    
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    if (isLoading) {
        return;
    }
    isLoading = YES;
    NSMutableArray *arr=[NSMutableArray array];
    [arr addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"%f",_movePoint.coordinate.latitude] ,@"lat", nil]];
    [arr addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"%f",_movePoint.coordinate.longitude] ,@"lng", nil]];
    [arr addObject:[NSDictionary dictionaryWithObjectsAndKeys:distanceString,@"mile", nil]];

    NSString* method = @"getSchPoints";
    [MBProgressHUD showMessage:@"正在搜索报名点..." toView:self.view];
    self.navigationItem.rightBarButtonItem.enabled = NO;
    [jiaPeiManager requestAnythingWithURL:method array:arr data:nil completion:^(NSDictionary * root) {
        self.navigationItem.rightBarButtonItem.enabled = YES;
        [MBProgressHUD hideHUDForView:self.view];
        isLoading = NO;
        
        if (!root)
        {
            ShowMsgFailed();
            return;
        }

        if ( 1 == [root[@"code"] integerValue]) {
            ShowMsg(root[@"body"]);
            return;
        }
        
        if ([root[@"body"] isKindOfClass:[NSString class]]) {
            NSString *string = root[@"body"];
            NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
            NSError *error;
            dataArray = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&error];
        }else {
            dataArray = [NSArray arrayWithArray:root[@"body"]];
        }
        
        
        //NSLog(@"附近的报名点-----><>%@",dataArray);
        
        if ([dataArray isKindOfClass:[NSArray class]]) {
            if (dataArray.count!=0) {
                [self setUIBothApper];
            }else{
                ShowMsg(@"附近暂无报名点");
                [self setUITableViewDis];
            }
            _tableVDataSource = dataArray;
            [mainTableView reloadData];
            [self addAnnotation];
        }
        
        /*
         {"PRICE":"2980",               价格
         "TSP_MEMO":"价格5500",          备注
         "STAR":"4",                    报名点星级
         "TSP_LOGOUT":"0",
         "DIS":"3198.5",                距离
         "SCHOOLNAME":"沈阳市八棵树汽车驾驶员培训有限公司",
         "WATCH":"799",                 关注度
         "PHONE":"15960109842",         电话
         "TSP_LNG":"119.268745",        经度
         "SHORTNAME":"沈阳八棵树驾校",     驾校简称
         "TSP_NAME":"软件园报名点",        报名点名称
         "TSP_ADDRESS":"福州市鼓楼区软件园B区12号楼",   地址
         "TSP_ID":"10042",
         "TSP_LAT":"26.115313",          纬度
         "TSP_SCHOOL_ID":"2101000003"}。  驾校ID
         */
        
        //将附近点加入标注 并且刷新表
        
    }];
    
}


- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
//    NSLog(@"scroll-->>%f-%f",scrollView.contentOffset.x,scrollView.contentOffset.y);
    if (scrollView.contentOffset.y  < -70) {
        [UIView animateWithDuration:.3 animations:^{
            mainTableView.y = kNavOffSet + bothStateMapHeight;
        } completion:^(BOOL finished) {
            [self setUIBothApper];
        }];
    }
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    NSLog(@"didReceiveMemoryWarning BMKMap");
}


@end