forked from MTSR/mapserver
64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
import layerManager from '../LayerManager.js';
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import { createMap } from '../map/MapFactory.js';
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function setupMap(vnode){
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const map = createMap(
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vnode.dom,
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layerManager.getCurrentLayer().id,
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+vnode.attrs.zoom,
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+vnode.attrs.lat,
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+vnode.attrs.lon
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);
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vnode.state.map = map;
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function updateHash(){
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const center = map.getCenter();
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const layerId = layerManager.getCurrentLayer().id;
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m.route.set(`/map/${layerId}/${map.getZoom()}/` +
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`${Math.floor(center.lng)}/${Math.floor(center.lat)}`);
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}
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map.on('zoomend', updateHash);
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map.on('moveend', updateHash);
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}
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export default {
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view(){
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return m("div", { class: "full-screen" });
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},
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oncreate(vnode){
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setupMap(vnode);
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},
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onbeforeupdate(newVnode) {
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const center = newVnode.state.map.getCenter();
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const newAattrs = newVnode.attrs;
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return newAattrs.layerId != layerManager.getCurrentLayer().id ||
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newAattrs.zoom != newVnode.state.map.getZoom() ||
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Math.abs(newAattrs.lat - center.lat) > 2 ||
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Math.abs(newAattrs.lat - center.lat) > 2;
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},
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onupdate(vnode){
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if (vnode.attrs.layerId != layerManager.getCurrentLayer().id){
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//layer changed, recreate map
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vnode.state.map.remove();
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layerManager.setLayerId(vnode.attrs.layerId);
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setupMap(vnode);
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} else {
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//position/zoom change
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vnode.state.map.setView([+vnode.attrs.lat, +vnode.attrs.lon], +vnode.attrs.zoom);
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}
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},
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onremove(vnode){
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vnode.state.map.remove();
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}
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};
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