1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
#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(NS_DICTIONARY_OF(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:(NS_DICTIONARY_OF(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:(NS_DICTIONARY_OF(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:(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];
}
- (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];
}
- (NS_ARRAY_OF(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
|
