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#import "MGLShapeSource_Private.h"
#import "MGLMapView_Private.h"
#import "MGLSource_Private.h"
#import "MGLFeature_Private.h"
#import "MGLShape_Private.h"
#import "NSURL+MGLAdditions.h"
#include <mbgl/map/map.hpp>
#include <mbgl/style/sources/geojson_source.hpp>
const MGLShapeSourceOption MGLShapeSourceOptionClustered = @"MGLShapeSourceOptionClustered";
const MGLShapeSourceOption MGLShapeSourceOptionClusterRadius = @"MGLShapeSourceOptionClusterRadius";
const MGLShapeSourceOption MGLShapeSourceOptionMaximumZoomLevelForClustering = @"MGLShapeSourceOptionMaximumZoomLevelForClustering";
const MGLShapeSourceOption MGLShapeSourceOptionMaximumZoomLevel = @"MGLShapeSourceOptionMaximumZoomLevel";
const MGLShapeSourceOption MGLShapeSourceOptionBuffer = @"MGLShapeSourceOptionBuffer";
const MGLShapeSourceOption MGLShapeSourceOptionSimplificationTolerance = @"MGLShapeSourceOptionSimplificationTolerance";
@interface MGLShapeSource ()
- (instancetype)initWithRawSource:(mbgl::style::GeoJSONSource *)rawSource NS_DESIGNATED_INITIALIZER;
@property (nonatomic, readwrite) NSDictionary *options;
@property (nonatomic) mbgl::style::GeoJSONSource *rawSource;
@end
@implementation MGLShapeSource {
std::unique_ptr<mbgl::style::GeoJSONSource> _pendingSource;
}
- (instancetype)initWithIdentifier:(NSString *)identifier URL:(NSURL *)url options:(NS_DICTIONARY_OF(NSString *, id) *)options {
if (self = [super initWithIdentifier:identifier]) {
auto geoJSONOptions = MGLGeoJSONOptionsFromDictionary(options);
auto source = std::make_unique<mbgl::style::GeoJSONSource>(identifier.UTF8String, geoJSONOptions);
_pendingSource = std::move(source);
self.rawSource = _pendingSource.get();
self.URL = url;
}
return self;
}
- (instancetype)initWithIdentifier:(NSString *)identifier shape:(nullable MGLShape *)shape options:(NS_DICTIONARY_OF(MGLShapeSourceOption, id) *)options {
if (self = [super initWithIdentifier:identifier]) {
auto geoJSONOptions = MGLGeoJSONOptionsFromDictionary(options);
auto source = std::make_unique<mbgl::style::GeoJSONSource>(identifier.UTF8String, geoJSONOptions);
_pendingSource = std::move(source);
self.rawSource = _pendingSource.get();
self.shape = shape;
}
return self;
}
- (instancetype)initWithIdentifier:(NSString *)identifier features:(NS_ARRAY_OF(MGLShape<MGLFeature> *) *)features options:(nullable NS_DICTIONARY_OF(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:(NS_ARRAY_OF(MGLShape *) *)shapes options:(nullable NS_DICTIONARY_OF(MGLShapeSourceOption, id) *)options {
MGLShapeCollection *shapeCollection = [MGLShapeCollection shapeCollectionWithShapes:shapes];
return [self initWithIdentifier:identifier shape:shapeCollection options:options];
}
- (instancetype)initWithRawSource:(mbgl::style::GeoJSONSource *)rawSource {
return [super initWithRawSource:rawSource];
}
- (void)addToMapView:(MGLMapView *)mapView {
if (_pendingSource == nullptr) {
[NSException raise:@"MGLRedundantSourceException"
format:@"This instance %@ was already added to %@. Adding the same source instance " \
"to the style more than once is invalid.", self, mapView.style];
}
mapView.mbglMap->addSource(std::move(_pendingSource));
}
- (void)removeFromMapView:(MGLMapView *)mapView {
if (self.rawSource != mapView.mbglMap->getSource(self.identifier.UTF8String)) {
return;
}
auto removedSource = mapView.mbglMap->removeSource(self.identifier.UTF8String);
mbgl::style::GeoJSONSource *source = dynamic_cast<mbgl::style::GeoJSONSource *>(removedSource.get());
if (!source) {
return;
}
removedSource.release();
_pendingSource = std::unique_ptr<mbgl::style::GeoJSONSource>(source);
self.rawSource = _pendingSource.get();
}
- (mbgl::style::GeoJSONSource *)rawSource {
return (mbgl::style::GeoJSONSource *)super.rawSource;
}
- (void)setRawSource:(mbgl::style::GeoJSONSource *)rawSource {
super.rawSource = 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];
}
@end
mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NS_DICTIONARY_OF(MGLShapeSourceOption, id) *options) {
auto geoJSONOptions = mbgl::style::GeoJSONOptions();
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;
}
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