init project

ios/Classes/OverlayController/AMapMarkerController.m

@@ -0,0 +1,153 @@
+//
+//  AMapMarkerController.m
+//  amap_map
+//
+//  Created by lly on 2020/11/3.
+//
+
+#import "AMapMarkerController.h"
+#import "AMapMarker.h"
+#import "AMapJsonUtils.h"
+#import "AMapConvertUtil.h"
+#import "MAAnnotationView+Flutter.h"
+#import "FlutterMethodChannel+MethodCallDispatch.h"
+
+@interface AMapMarkerController ()
+
+@property (nonatomic,strong) NSMutableDictionary<NSString*,AMapMarker*> *markerDict;
+@property (nonatomic,strong) FlutterMethodChannel *methodChannel;
+@property (nonatomic,strong) NSObject<FlutterPluginRegistrar> *registrar;
+@property (nonatomic,strong) MAMapView *mapView;
+
+@end
+
+@implementation AMapMarkerController
+
+- (instancetype)init:(FlutterMethodChannel*)methodChannel
+             mapView:(MAMapView*)mapView
+           registrar:(NSObject<FlutterPluginRegistrar>*)registrar {
+    self = [super init];
+    if (self) {
+        _methodChannel = methodChannel;
+        _mapView = mapView;
+        _markerDict = [NSMutableDictionary dictionaryWithCapacity:1];
+        _registrar = registrar;
+        
+        __weak typeof(self) weakSelf = self;
+        [_methodChannel addMethodName:@"markers#update" withHandler:^(FlutterMethodCall * _Nonnull call, FlutterResult  _Nonnull result) {
+            id markersToAdd = call.arguments[@"markersToAdd"];
+            if ([markersToAdd isKindOfClass:[NSArray class]]) {
+                [weakSelf addMarkers:markersToAdd];
+            }
+            id markersToChange = call.arguments[@"markersToChange"];
+            if ([markersToChange isKindOfClass:[NSArray class]]) {
+                [weakSelf changeMarkers:markersToChange];
+            }
+            id markerIdsToRemove = call.arguments[@"markerIdsToRemove"];
+            if ([markerIdsToRemove isKindOfClass:[NSArray class]]) {
+                [weakSelf removeMarkerIds:markerIdsToRemove];
+            }
+            result(nil);
+        }];
+    }
+    return self;
+}
+
+- (nullable AMapMarker *)markerForId:(NSString *)markerId {
+    return _markerDict[markerId];
+}
+
+- (void)addMarkers:(NSArray*)markersToAdd {
+    for (NSDictionary* marker in markersToAdd) {
+        AMapMarker *markerModel = [AMapJsonUtils modelFromDict:marker modelClass:[AMapMarker class]];
+        //从bitmapDesc中解析UIImage
+        if (markerModel.icon) {
+            markerModel.image = [AMapConvertUtil imageFromRegistrar:self.registrar iconData:markerModel.icon];
+        }
+        // 先加入到字段中，避免后续的地图回到里，取不到对应的marker数据
+        if (markerModel.id_) {
+            _markerDict[markerModel.id_] = markerModel;
+        }
+        [self.mapView addAnnotation:markerModel.annotation];
+    }
+}
+
+- (void)changeMarkers:(NSArray*)markersToChange {
+    for (NSDictionary* markerToChange in markersToChange) {
+        NSLog(@"changeMarker:%@",markerToChange);
+        AMapMarker *markerModelToChange = [AMapJsonUtils modelFromDict:markerToChange modelClass:[AMapMarker class]];
+        AMapMarker *currentMarkerModel = _markerDict[markerModelToChange.id_];
+        NSAssert(currentMarkerModel != nil, @"需要修改的marker不存在");
+        
+        //如果图标变了，则存储和解析新的图标
+        if ([AMapConvertUtil checkIconDescriptionChangedFrom:currentMarkerModel.icon to:markerModelToChange.icon]) {
+            UIImage *image = [AMapConvertUtil imageFromRegistrar:self.registrar iconData:markerModelToChange.icon];
+            currentMarkerModel.icon = markerModelToChange.icon;
+            currentMarkerModel.image = image;
+        }
+        //更新除了图标之外的其它信息
+        [currentMarkerModel updateMarker:markerModelToChange];
+        
+        MAAnnotationView *view = [self.mapView viewForAnnotation:currentMarkerModel.annotation];
+        if (view) {//如果可以获取到View，则立刻更新
+            [view updateViewWithMarker:currentMarkerModel];
+        } //获取不到时，则在viewDidAdd的回调中，重新更新view的效果；
+    }
+}
+
+- (void)removeMarkerIds:(NSArray*)markerIdsToRemove {
+    for (NSString* markerId in markerIdsToRemove) {
+        if (!markerId) {
+            continue;
+        }
+        AMapMarker* marker = _markerDict[markerId];
+        if (!marker) {
+            continue;
+        }
+        [self.mapView removeAnnotation:marker.annotation];
+        [_markerDict removeObjectForKey:markerId];
+    }
+}
+
+//MARK: Marker的回调
+
+- (BOOL)onMarkerTap:(NSString*)markerId {
+  if (!markerId) {
+    return NO;
+  }
+  AMapMarker* marker = _markerDict[markerId];
+  if (!marker) {
+    return NO;
+  }
+  [_methodChannel invokeMethod:@"marker#onTap" arguments:@{@"markerId" : markerId}];
+  return YES;
+}
+
+- (BOOL)onMarker:(NSString *)markerId endPostion:(CLLocationCoordinate2D)position {
+    if (!markerId) {
+      return NO;
+    }
+    AMapMarker* marker = _markerDict[markerId];
+    if (!marker) {
+      return NO;
+    }
+    [_methodChannel invokeMethod:@"marker#onDragEnd"
+                         arguments:@{@"markerId" : markerId, @"position" : [AMapConvertUtil jsonArrayFromCoordinate:position]}];
+    return YES;
+}
+
+//- (BOOL)onInfoWindowTap:(NSString *)markerId {
+//    if (!markerId) {
+//      return NO;
+//    }
+//    AMapMarker* marker = _markerDict[markerId];
+//    if (!marker) {
+//      return NO;
+//    }
+//    [_methodChannel invokeMethod:@"infoWindow#onTap" arguments:@{@"markerId" : markerId}];
+//    return YES;
+//}
+
+
+
+@end