convertPoint.m

NSObject *convertObjectToPoint (NSObject *annotationObject)
{
    NSString *title = @"";
    if ([annotationObject valueForKey:@"title"]) {
        title = [RCTConvert NSString:[annotationObject valueForKey:@"title"]];
    }

    NSString *subtitle = @"";
    if ([annotationObject valueForKey:@"subtitle"]) {
        subtitle = [RCTConvert NSString:[annotationObject valueForKey:@"subtitle"]];
    }

    NSString *id = @"";
    if ([annotationObject valueForKey:@"id"]) {
        id = [RCTConvert NSString:[annotationObject valueForKey:@"id"]];
    }

    if ([annotationObject valueForKey:@"rightCalloutAccessory"]) {
        NSObject *rightCalloutAccessory = [annotationObject valueForKey:@"rightCalloutAccessory"];
        NSString *url = [rightCalloutAccessory valueForKey:@"url"];
        CGFloat height = (CGFloat)[[rightCalloutAccessory valueForKey:@"height"] floatValue];
        CGFloat width = (CGFloat)[[rightCalloutAccessory valueForKey:@"width"] floatValue];
        
        UIImage *image = nil;
        
        if ([url hasPrefix:@"image!"]) {
            NSString* localImagePath = [url substringFromIndex:6];
            image = [UIImage imageNamed:localImagePath];
        }
        
        NSURL* checkURL = [NSURL URLWithString:url];
        if (checkURL && checkURL.scheme && checkURL.host) {
            image = [UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:url]]];
        }
        
        UIButton *imageButton = [UIButton buttonWithType:UIButtonTypeCustom];
        imageButton.frame = CGRectMake(0, 0, height, width);
        [imageButton setImage:image forState:UIControlStateNormal];
        
        NSArray *coordinate = [RCTConvert NSArray:[annotationObject valueForKey:@"coordinates"]];
        CLLocationDegrees lat = [coordinate[0] doubleValue];
        CLLocationDegrees lng = [coordinate[1] doubleValue];
        
        RCTMGLAnnotation *pin = [[RCTMGLAnnotation alloc] initWithLocationRightCallout:CLLocationCoordinate2DMake(lat, lng) title:title subtitle:subtitle id:id rightCalloutAccessory:imageButton];
        
        if ([annotationObject valueForKey:@"annotationImage"]) {
            NSObject *annotationImage = [annotationObject valueForKey:@"annotationImage"];
            NSString *annotationImageURL = [annotationImage valueForKey:@"url"];
            CGFloat height = (CGFloat)[[annotationImage valueForKey:@"height"] floatValue];
            CGFloat width = (CGFloat)[[annotationImage valueForKey:@"width"] floatValue];
            if (!height || !width) {
                RCTLogError(@"Height and width for image required");
                return nil;
            }
            CGSize annotationImageSize =  CGSizeMake(width, height);
            pin.annotationImageURL = annotationImageURL;
            pin.annotationImageSize = annotationImageSize;
        }
        
        return pin;
        
    } else {
        
        NSArray *coordinate = [RCTConvert NSArray:[annotationObject valueForKey:@"coordinates"]];
        CLLocationDegrees lat = [coordinate[0] doubleValue];
        CLLocationDegrees lng = [coordinate[1] doubleValue];
        
        RCTMGLAnnotation *point = [[RCTMGLAnnotation alloc] initWithLocation:CLLocationCoordinate2DMake(lat, lng) title:title subtitle:subtitle id:id];
        
        if ([annotationObject valueForKey:@"annotationImage"]) {
            NSObject *annotationImage = [annotationObject valueForKey:@"annotationImage"];
            NSString *annotationImageURL = [annotationImage valueForKey:@"url"];
            CGFloat height = (CGFloat)[[annotationImage valueForKey:@"height"] floatValue];
            CGFloat width = (CGFloat)[[annotationImage valueForKey:@"width"] floatValue];
            if (!height || !width) {
                RCTLogError(@"Height and width for image required");
                return nil;
            }
            CGSize annotationImageSize =  CGSizeMake(width, height);
            point.annotationImageURL = annotationImageURL;
            point.annotationImageSize = annotationImageSize;
        }
        
        return point;
    }