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Demo bind calls on source #44

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c846104
Bind calls on ol source to apply effect on MapLibreGL
ger-benjamin Feb 3, 2023
33a5df3
Add example of binded source
ger-benjamin Feb 3, 2023
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1 change: 1 addition & 0 deletions examples/demo.html
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
</head>
<body>
<div class="map" id="map"></div>
<p>Demo bind source calls: <button onclick="refreshSource()">Refresh source</button></p>
<script src="./demo.js"></script>
</body>
</html>
30 changes: 18 additions & 12 deletions examples/demo.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,26 +2,28 @@ import 'ol/ol.css';
import './style.css';

import Map from 'ol/Map';
import Source from 'ol/source/Source';
import Source from '../src/MapLibreSource';
import View from 'ol/View';
import TileLayer from 'ol/layer/Tile';
import {TileDebug} from 'ol/source';

import MapLibreLayer from '../src/MapLibreLayer';

const mapLibreLayer = new MapLibreLayer({
maplibreOptions: {
style:
'https://vectortiles.geo.admin.ch/styles/ch.swisstopo.leichte-basiskarte_world.vt/style.json',
},
source: new Source({
attributions: [
'<a href="https://www.geo.admin.ch/en/geo-services/geo-services/portrayal-services-web-mapping/vector_tiles_service.html" target="_blank">© swisstopo</a>',
],
}),
});

window.map = new Map({
layers: [
new MapLibreLayer({
maplibreOptions: {
style:
'https://vectortiles.geo.admin.ch/styles/ch.swisstopo.leichte-basiskarte_world.vt/style.json',
},
source: new Source({
attributions: [
'<a href="https://www.geo.admin.ch/en/geo-services/geo-services/portrayal-services-web-mapping/vector_tiles_service.html" target="_blank">© swisstopo</a>',
],
}),
}),
mapLibreLayer,
new TileLayer({
source: new TileDebug(),
}),
Expand All @@ -32,3 +34,7 @@ window.map = new Map({
zoom: 8,
}),
});

window.refreshSource = () => {
mapLibreLayer.getSource().refresh();
};
2 changes: 1 addition & 1 deletion examples/style.css
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Original file line number Diff line number Diff line change
Expand Up @@ -4,5 +4,5 @@ body,
margin: 0;
padding: 0;
width: 100%;
height: 100%;
height: 90%;
}
4 changes: 4 additions & 0 deletions src/MapLibreLayer.js
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Expand Up @@ -34,6 +34,10 @@ export default class MapLibreLayer extends Layer {
})
);

const source = this.getSource();
if (source.setMapLibreMap) {
source.setMapLibreMap(this.maplibreMap);
}
this.applyOpacity_();
}

Expand Down
29 changes: 29 additions & 0 deletions src/MapLibreSource.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
import Source from 'ol/source/Source';

export default class MapLibreSource extends Source {
constructor(options) {
super(options);
}

/**
* Set the reference to MapLibre Map instance.
*/
setMapLibreMap(mapLibreMap) {
this.mapLibreMap = mapLibreMap;
}

/**
* Refresh the Ol Source, but also EVERY MapLibre source.
*/
refresh() {
if (!this.mapLibreMap) {
return;
}
const sourcesObjects = this.mapLibreMap.style.sourceCaches;
if (!sourcesObjects) {
return;
}
Object.values(sourcesObjects).forEach((source) => source.clearTiles());
super.refresh();
}
}