48 lines
1.7 KiB
JavaScript
48 lines
1.7 KiB
JavaScript
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// LOCATION HANDLING /////////////////////////////////////////////////
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// i.e. setting initial position and storing new position after moving
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// retrieves current position from map and stores it cookies
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window.storeMapPosition = function() {
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var m = window.map.getCenter();
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if(m['lat'] >= -90 && m['lat'] <= 90)
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writeCookie('ingress.intelmap.lat', m['lat']);
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if(m['lng'] >= -180 && m['lng'] <= 180)
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writeCookie('ingress.intelmap.lng', m['lng']);
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writeCookie('ingress.intelmap.zoom', window.map.getZoom());
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}
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// either retrieves the last shown position from a cookie, from the
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// URL or if neither is present, via Geolocation. If that fails, it
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// returns a map that shows the whole world.
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window.getPosition = function() {
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if(getURLParam('latE6') && getURLParam('lngE6')) {
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console.log("mappos: reading URL params");
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var lat = parseInt(getURLParam('latE6'))/1E6 || 0.0;
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var lng = parseInt(getURLParam('lngE6'))/1E6 || 0.0;
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// google seems to zoom in far more than leaflet
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var z = parseInt(getURLParam('z'))+1 || 17;
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return {center: new L.LatLng(lat, lng), zoom: z > 18 ? 18 : z};
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}
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if(readCookie('ingress.intelmap.lat') && readCookie('ingress.intelmap.lng')) {
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console.log("mappos: reading cookies");
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var lat = parseFloat(readCookie('ingress.intelmap.lat')) || 0.0;
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var lng = parseFloat(readCookie('ingress.intelmap.lng')) || 0.0;
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var z = parseInt(readCookie('ingress.intelmap.zoom')) || 17;
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if(lat < -90 || lat > 90) lat = 0.0;
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if(lng < -180 || lng > 180) lng = 0.0;
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return {center: new L.LatLng(lat, lng), zoom: z > 18 ? 18 : z};
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}
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setTimeout("window.map.locate({setView : true, maxZoom: 13});", 50);
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return {center: new L.LatLng(0.0, 0.0), zoom: 1};
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}
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