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#import "MGLShapeSource_Private.h"
#import "MGLStyle_Private.h"
#import "MGLMapView_Private.h"
#import "MGLSource_Private.h"
#import "MGLFeature_Private.h"
#import "MGLShape_Private.h"
#import "NSPredicate+MGLAdditions.h"
#import "NSURL+MGLAdditions.h"
#include <mbgl/map/map.hpp>
#include <mbgl/style/sources/geojson_source.hpp>
#include <mbgl/renderer/renderer.hpp>
const MGLShapeSourceOption MGLShapeSourceOptionBuffer = @"MGLShapeSourceOptionBuffer";
const MGLShapeSourceOption MGLShapeSourceOptionClusterRadius = @"MGLShapeSourceOptionClusterRadius";
const MGLShapeSourceOption MGLShapeSourceOptionClustered = @"MGLShapeSourceOptionClustered";
const MGLShapeSourceOption MGLShapeSourceOptionMaximumZoomLevel = @"MGLShapeSourceOptionMaximumZoomLevel";
const MGLShapeSourceOption MGLShapeSourceOptionMaximumZoomLevelForClustering = @"MGLShapeSourceOptionMaximumZoomLevelForClustering";
const MGLShapeSourceOption MGLShapeSourceOptionMinimumZoomLevel = @"MGLShapeSourceOptionMinimumZoomLevel";
const MGLShapeSourceOption MGLShapeSourceOptionSimplificationTolerance = @"MGLShapeSourceOptionSimplificationTolerance";
mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShapeSourceOption, id> *options) {
auto geoJSONOptions = mbgl::style::GeoJSONOptions();
if (NSNumber *value = options[MGLShapeSourceOptionMinimumZoomLevel]) {
if (![value isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionMaximumZoomLevel must be an NSNumber."];
}
geoJSONOptions.minzoom = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionMaximumZoomLevel]) {
if (![value isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionMaximumZoomLevel must be an NSNumber."];
}
geoJSONOptions.maxzoom = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionBuffer]) {
if (![value isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionBuffer must be an NSNumber."];
}
geoJSONOptions.buffer = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionSimplificationTolerance]) {
if (![value isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionSimplificationTolerance must be an NSNumber."];
}
geoJSONOptions.tolerance = value.doubleValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionClusterRadius]) {
if (![value isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionClusterRadius must be an NSNumber."];
}
geoJSONOptions.clusterRadius = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionMaximumZoomLevelForClustering]) {
if (![value isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionMaximumZoomLevelForClustering must be an NSNumber."];
}
geoJSONOptions.clusterMaxZoom = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionClustered]) {
if (![value isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionClustered must be an NSNumber."];
}
geoJSONOptions.cluster = value.boolValue;
}
return geoJSONOptions;
}
@interface MGLShapeSource ()
@property (nonatomic, readwrite) NSDictionary *options;
@property (nonatomic, readonly) mbgl::style::GeoJSONSource *rawSource;
@end
@implementation MGLShapeSource
- (instancetype)initWithIdentifier:(NSString *)identifier URL:(NSURL *)url options:(NSDictionary<NSString *, id> *)options {
auto geoJSONOptions = MGLGeoJSONOptionsFromDictionary(options);
auto source = std::make_unique<mbgl::style::GeoJSONSource>(identifier.UTF8String, geoJSONOptions);
if (self = [super initWithPendingSource:std::move(source)]) {
self.URL = url;
}
return self;
}
- (instancetype)initWithIdentifier:(NSString *)identifier shape:(nullable MGLShape *)shape options:(NSDictionary<MGLShapeSourceOption, id> *)options {
auto geoJSONOptions = MGLGeoJSONOptionsFromDictionary(options);
auto source = std::make_unique<mbgl::style::GeoJSONSource>(identifier.UTF8String, geoJSONOptions);
if (self = [super initWithPendingSource:std::move(source)]) {
self.shape = shape;
}
return self;
}
- (instancetype)initWithIdentifier:(NSString *)identifier features:(NSArray<MGLShape<MGLFeature> *> *)features options:(nullable NSDictionary<MGLShapeSourceOption, id> *)options {
for (id <MGLFeature> feature in features) {
if (![feature conformsToProtocol:@protocol(MGLFeature)]) {
[NSException raise:NSInvalidArgumentException format:@"The object %@ included in the features argument does not conform to the MGLFeature protocol.", feature];
}
}
MGLShapeCollectionFeature *shapeCollectionFeature = [MGLShapeCollectionFeature shapeCollectionWithShapes:features];
return [self initWithIdentifier:identifier shape:shapeCollectionFeature options:options];
}
- (instancetype)initWithIdentifier:(NSString *)identifier shapes:(NSArray<MGLShape *> *)shapes options:(nullable NSDictionary<MGLShapeSourceOption, id> *)options {
MGLShapeCollection *shapeCollection = [MGLShapeCollection shapeCollectionWithShapes:shapes];
return [self initWithIdentifier:identifier shape:shapeCollection options:options];
}
- (mbgl::style::GeoJSONSource *)rawSource {
return (mbgl::style::GeoJSONSource *)super.rawSource;
}
- (NSURL *)URL {
auto url = self.rawSource->getURL();
return url ? [NSURL URLWithString:@(url->c_str())] : nil;
}
- (void)setURL:(NSURL *)url {
if (url) {
self.rawSource->setURL(url.mgl_URLByStandardizingScheme.absoluteString.UTF8String);
_shape = nil;
} else {
self.shape = nil;
}
}
- (void)setShape:(MGLShape *)shape {
self.rawSource->setGeoJSON({ shape.geoJSONObject });
_shape = shape;
}
- (NSString *)description {
return [NSString stringWithFormat:@"<%@: %p; identifier = %@; URL = %@; shape = %@>",
NSStringFromClass([self class]), (void *)self, self.identifier, self.URL, self.shape];
}
- (NSArray<id <MGLFeature>> *)featuresMatchingPredicate:(nullable NSPredicate *)predicate {
mbgl::optional<mbgl::style::Filter> optionalFilter;
if (predicate) {
optionalFilter = predicate.mgl_filter;
}
std::vector<mbgl::Feature> features;
if (self.mapView) {
features = self.mapView.renderer->querySourceFeatures(self.rawSource->getID(), { {}, optionalFilter });
}
return MGLFeaturesFromMBGLFeatures(features);
}
@end
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