|
21 | 21 | mapboxgl.accessToken = getAccessToken(); |
22 | 22 |
|
23 | 23 | const map = new mapboxgl.Map({ |
24 | | - container: 'map', |
25 | | - // Choose from Mapbox's core styles, or make your own style with Mapbox Studio |
26 | | - style: 'mapbox://styles/mapbox/standard', |
27 | | - zoom: 15, |
28 | | - center: [-71.97722138410576, -13.517379300798098] |
29 | | -}); |
30 | | - |
31 | | -// Wait until the map has finished loading. |
32 | | -map.on('load', () => { |
33 | | - map.setConfigProperty('basemap', 'lightPreset', 'dusk'); |
34 | | - map.loadImage( |
35 | | - 'https://docs.mapbox.com/mapbox-gl-js/assets/cat.png', |
36 | | - (error, image) => { |
| 24 | + container: 'map', |
| 25 | + // Choose from Mapbox's core styles, or make your own style with Mapbox Studio |
| 26 | + style: 'mapbox://styles/mapbox/standard', |
| 27 | + // Disable the POI labels to only show the ones we will import |
| 28 | + config: { |
| 29 | + basemap: { |
| 30 | + showPointOfInterestLabels: false |
| 31 | + } |
| 32 | + }, |
| 33 | + zoom: 15.5, |
| 34 | + center: [1.8447281852, 42.10025506] |
| 35 | + }); |
| 36 | + |
| 37 | + // Wait until the map has finished loading. |
| 38 | + map.on('load', () => { |
| 39 | + // Load an image for every feature state. |
| 40 | + // When all images are loaded, add the layer to the map |
| 41 | + const numIconsToLoad = 4; |
| 42 | + let numIconsLoaded = 0; |
| 43 | + map.loadImage('hotel.png', (error, image) => { |
37 | 44 | if (error) throw error; |
38 | 45 |
|
39 | | - // Add the image to the map style. |
40 | | - map.addImage('cat', image); |
41 | | - // Add a custom vector tileset source. This tileset contains |
42 | | - // point features. |
43 | | - map.addSource('museums', { |
44 | | - type: 'vector', |
45 | | - url: 'mapbox://mapbox.2opop9hr' |
46 | | - }); |
47 | | - // Add a layer to show a circle on each point |
48 | | - map.addLayer({ |
49 | | - 'id': 'circles', |
50 | | - 'type': 'circle', |
51 | | - 'source': 'museums', |
52 | | - 'paint': { |
53 | | - 'circle-color': 'red' |
54 | | - }, |
55 | | - 'layout': { |
56 | | - 'visibility': 'visible', |
| 46 | + map.addImage('hotel', image); |
| 47 | + numIconsLoaded++; |
| 48 | + if (numIconsLoaded === numIconsToLoad) addLayer(); |
| 49 | + }); |
| 50 | + |
| 51 | + map.loadImage( |
| 52 | + 'hotel-active.png', |
| 53 | + (error, image) => { |
| 54 | + if (error) throw error; |
| 55 | + |
| 56 | + map.addImage('hotel-active', image); |
| 57 | + numIconsLoaded++; |
| 58 | + if (numIconsLoaded === numIconsToLoad) addLayer(); |
| 59 | + } |
| 60 | + ); |
| 61 | + |
| 62 | + map.loadImage( |
| 63 | + 'hotel-clicked.png', |
| 64 | + (error, image) => { |
| 65 | + if (error) throw error; |
| 66 | + |
| 67 | + map.addImage('hotel-clicked', image); |
| 68 | + numIconsLoaded++; |
| 69 | + if (numIconsLoaded === numIconsToLoad) addLayer(); |
| 70 | + } |
| 71 | + ); |
| 72 | + |
| 73 | + map.loadImage( |
| 74 | + 'hotel-hover.png', |
| 75 | + (error, image) => { |
| 76 | + if (error) throw error; |
| 77 | + |
| 78 | + map.addImage('hotel-hover', image); |
| 79 | + numIconsLoaded++; |
| 80 | + if (numIconsLoaded === numIconsToLoad) addLayer(); |
| 81 | + } |
| 82 | + ); |
| 83 | + |
| 84 | + map.addSource('points', { |
| 85 | + type: 'geojson', |
| 86 | + data: getGeoJSONData() |
| 87 | + }); |
| 88 | + }); |
| 89 | + |
| 90 | + function addLayer() { |
| 91 | + // Add a layer to show an icon on every point. |
| 92 | + map.addLayer({ |
| 93 | + 'id': 'points', |
| 94 | + 'type': 'symbol', |
| 95 | + 'source': 'points', |
| 96 | + 'layout': { |
| 97 | + 'icon-allow-overlap': true, |
| 98 | + // Define an icon and size for the default appearance of symbols in this layer |
| 99 | + 'icon-image': 'hotel', |
| 100 | + 'icon-size': 0.75 |
| 101 | + }, |
| 102 | + 'appearances': [ |
| 103 | + { |
| 104 | + 'name': 'clicked', |
| 105 | + 'condition': [ |
| 106 | + 'boolean', |
| 107 | + ['feature-state', 'currentlySelected'], |
| 108 | + false |
| 109 | + ], |
| 110 | + 'properties': { |
| 111 | + // This icon will be used when the currentlySelected feature state is active |
| 112 | + 'icon-image': 'hotel-active' |
| 113 | + } |
57 | 114 | }, |
58 | | - 'source-layer': 'museum-cusco' |
59 | | - }); |
60 | | - // Add a layer to show icons on top of the points. |
61 | | - // Icons will grow when hovered and when clicked. |
62 | | - map.addLayer({ |
63 | | - 'id': 'museums', |
64 | | - 'type': 'symbol', |
65 | | - 'source': 'museums', |
66 | | - 'layout': { |
67 | | - 'visibility': 'visible', |
68 | | - 'icon-image': "cat", |
69 | | - 'icon-size': 0.2, |
| 115 | + { |
| 116 | + 'name': 'hovered', |
| 117 | + 'condition': ['boolean', ['feature-state', 'hover'], false], |
| 118 | + 'properties': { |
| 119 | + // This icon will be used when the hover feature state is active and currentlySelected is not |
| 120 | + 'icon-image': 'hotel-hover' |
| 121 | + } |
70 | 122 | }, |
71 | | - 'appearances': [ |
72 | | - { |
73 | | - 'name': 'clicked', |
74 | | - 'condition': ['==', ['boolean', ['feature-state', 'clicked'], false], true], |
75 | | - 'properties': { |
76 | | - 'icon-size': 0.5, |
77 | | - } |
78 | | - }, |
79 | | - { |
80 | | - 'name': 'hovered', |
81 | | - 'condition': ['==', ['boolean', ['feature-state', 'hover'], false], true], |
82 | | - 'properties': { |
83 | | - 'icon-size': 0.3, |
84 | | - } |
85 | | - }, |
86 | | - ], |
87 | | - 'source-layer': 'museum-cusco' |
88 | | - }); |
89 | | - } |
90 | | - ); |
91 | | -}); |
92 | | - |
93 | | -let selectedFeature = null; |
94 | | -map.addInteraction('hover-in', { |
95 | | - type: 'mouseenter', |
96 | | - target: { layerId: 'museums' }, |
97 | | - handler: (e) => { |
98 | | - map.setFeatureState(e.feature, {hover: true}); |
99 | | - map.getCanvas().style.cursor = 'pointer'; |
100 | | - } |
101 | | -}); |
102 | | - |
103 | | -map.addInteraction('hover-out', { |
104 | | - type: 'mouseleave', |
105 | | - target: { layerId: 'museums' }, |
106 | | - handler: (e) => { |
107 | | - map.setFeatureState(e.feature, {hover: false}); |
108 | | - map.getCanvas().style.cursor = ''; |
109 | | - } |
110 | | -}); |
111 | | - |
112 | | -map.addInteraction('click', { |
113 | | - type: 'click', |
114 | | - target: { layerId: 'museums' }, |
115 | | - handler: (e) => { |
116 | | - if (selectedFeature) { |
117 | | - map.setFeatureState(selectedFeature, {clicked: false}); |
118 | | - } |
119 | | - selectedFeature = e.feature; |
120 | | - map.setFeatureState(e.feature, {clicked: true}); |
| 123 | + { |
| 124 | + 'name': 'has-been-clicked', |
| 125 | + 'condition': [ |
| 126 | + 'boolean', |
| 127 | + ['feature-state', 'hasBeenClicked'], |
| 128 | + false |
| 129 | + ], |
| 130 | + 'properties': { |
| 131 | + // This icon will be used then the hasBeenClicked feature state is active and neither hover nor currentlySelected are |
| 132 | + 'icon-image': 'hotel-clicked' |
| 133 | + } |
| 134 | + } |
| 135 | + ] |
| 136 | + }); |
| 137 | + |
| 138 | + // Store the currently selected feature and the features that have been |
| 139 | + // selected some time |
| 140 | + let selectedFeature = null; |
| 141 | + const clickedFeatures = []; |
| 142 | + |
| 143 | + // When the mouse hovers over the feature we set the hover feature state to true |
| 144 | + // and change the pointer |
| 145 | + map.addInteraction('hover-in', { |
| 146 | + type: 'mouseenter', |
| 147 | + target: { layerId: 'points' }, |
| 148 | + handler: (e) => { |
| 149 | + map.setFeatureState(e.feature, { hover: true }); |
| 150 | + map.getCanvas().style.cursor = 'pointer'; |
| 151 | + } |
| 152 | + }); |
| 153 | + |
| 154 | + // When the mouse hovers outside the feature we set the hover feature state to false |
| 155 | + // and change the pointer |
| 156 | + map.addInteraction('hover-out', { |
| 157 | + type: 'mouseleave', |
| 158 | + target: { layerId: 'points' }, |
| 159 | + handler: (e) => { |
| 160 | + map.setFeatureState(e.feature, { hover: false }); |
| 161 | + map.getCanvas().style.cursor = ''; |
| 162 | + } |
| 163 | + }); |
| 164 | + |
| 165 | + // When the mouse is clicked on a feature we set the currentlySelected feature state to true, |
| 166 | + // unselect the previous select one if any and store this feature both as the selected feature |
| 167 | + // and in the list of features that have been selected |
| 168 | + map.addInteraction('click', { |
| 169 | + type: 'click', |
| 170 | + target: { layerId: 'points' }, |
| 171 | + handler: (e) => { |
| 172 | + // If we click on a feature and there was some of it selected, we first |
| 173 | + // deselect that one |
| 174 | + if (selectedFeature) { |
| 175 | + map.setFeatureState(selectedFeature, { |
| 176 | + currentlySelected: false |
| 177 | + }); |
| 178 | + } |
| 179 | + // We store this feature as the currently selected feature and in the list |
| 180 | + // of feature that have been selected |
| 181 | + selectedFeature = e.feature; |
| 182 | + clickedFeatures.push(e.feature); |
| 183 | + map.setFeatureState(e.feature, { |
| 184 | + currentlySelected: true, |
| 185 | + hasBeenClicked: true |
| 186 | + }); |
| 187 | + } |
| 188 | + }); |
| 189 | + |
| 190 | + // When the mouse is clicked outside of any feature, we unselect the currently selected feature if |
| 191 | + // there's any or remove all features from the list of feature that have been selected to get back |
| 192 | + // to the initial state |
| 193 | + map.addInteraction('map-click', { |
| 194 | + type: 'click', |
| 195 | + handler: () => { |
| 196 | + // When we click on the map we unselect the currently selected feature |
| 197 | + // If there was none selected we reset the state of all features to the default one |
| 198 | + if (selectedFeature) { |
| 199 | + map.setFeatureState(selectedFeature, { |
| 200 | + currentlySelected: false |
| 201 | + }); |
| 202 | + selectedFeature = null; |
| 203 | + } else { |
| 204 | + clickedFeatures.forEach((f) => { |
| 205 | + map.setFeatureState(f, { hasBeenClicked: false }); |
| 206 | + }); |
| 207 | + clickedFeatures.length = 0; |
| 208 | + } |
| 209 | + } |
| 210 | + }); |
121 | 211 | } |
122 | | -}); |
123 | | - |
124 | | -map.addInteraction('map-click', { |
125 | | - type: 'click', |
126 | | - handler: () => { |
127 | | - if (selectedFeature) { |
128 | | - map.setFeatureState(selectedFeature, { clicked: false }); |
129 | | - selectedFeature = null; |
130 | | - } |
| 212 | + |
| 213 | + function getGeoJSONData() { |
| 214 | + return { |
| 215 | + 'type': 'FeatureCollection', |
| 216 | + 'features': [ |
| 217 | + { |
| 218 | + 'type': 'Feature', |
| 219 | + 'id': 1, |
| 220 | + 'properties': {}, |
| 221 | + 'geometry': { |
| 222 | + 'coordinates': [1.8452993238082342, 42.100164223399275], |
| 223 | + 'type': 'Point' |
| 224 | + } |
| 225 | + }, |
| 226 | + { |
| 227 | + 'type': 'Feature', |
| 228 | + 'id': 2, |
| 229 | + 'properties': {}, |
| 230 | + 'geometry': { |
| 231 | + 'coordinates': [1.8438590191857145, 42.1004178052402], |
| 232 | + 'type': 'Point' |
| 233 | + } |
| 234 | + }, |
| 235 | + { |
| 236 | + 'type': 'Feature', |
| 237 | + 'id': 3, |
| 238 | + 'properties': {}, |
| 239 | + 'geometry': { |
| 240 | + 'coordinates': [1.844225198327564, 42.10130533369667], |
| 241 | + 'type': 'Point' |
| 242 | + } |
| 243 | + }, |
| 244 | + { |
| 245 | + 'type': 'Feature', |
| 246 | + 'id': 4, |
| 247 | + 'properties': {}, |
| 248 | + 'geometry': { |
| 249 | + 'coordinates': [1.8443594640122, 42.0990955459275], |
| 250 | + 'type': 'Point' |
| 251 | + } |
| 252 | + }, |
| 253 | + { |
| 254 | + 'type': 'Feature', |
| 255 | + 'id': 5, |
| 256 | + 'properties': {}, |
| 257 | + 'geometry': { |
| 258 | + 'coordinates': [1.8449697625811154, 42.09869705141318], |
| 259 | + 'type': 'Point' |
| 260 | + } |
| 261 | + }, |
| 262 | + { |
| 263 | + 'type': 'Feature', |
| 264 | + 'id': 6, |
| 265 | + 'properties': {}, |
| 266 | + 'geometry': { |
| 267 | + 'coordinates': [1.8471058075726603, 42.09978384873651], |
| 268 | + 'type': 'Point' |
| 269 | + } |
| 270 | + }, |
| 271 | + { |
| 272 | + 'type': 'Feature', |
| 273 | + 'id': 7, |
| 274 | + 'properties': {}, |
| 275 | + 'geometry': { |
| 276 | + 'coordinates': [1.8455739474818813, 42.10182152060625], |
| 277 | + 'type': 'Point' |
| 278 | + } |
| 279 | + }, |
| 280 | + { |
| 281 | + 'type': 'Feature', |
| 282 | + 'id': 8, |
| 283 | + 'properties': {}, |
| 284 | + 'geometry': { |
| 285 | + 'coordinates': [1.8427787800360136, 42.10039061289771], |
| 286 | + 'type': 'Point' |
| 287 | + } |
| 288 | + }, |
| 289 | + { |
| 290 | + 'type': 'Feature', |
| 291 | + 'id': 9, |
| 292 | + 'properties': {}, |
| 293 | + 'geometry': { |
| 294 | + 'coordinates': [1.8433280487479635, 42.0994396753579], |
| 295 | + 'type': 'Point' |
| 296 | + } |
| 297 | + } |
| 298 | + ] |
| 299 | + }; |
131 | 300 | } |
132 | | -}); |
133 | 301 |
|
134 | 302 | </script> |
135 | 303 | </body> |
|
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