mapguesser/public/static/js/map_editor.js

142 lines
4.7 KiB
JavaScript

(function () {
var MapEditor = {
map: null,
panorama: null,
selectedMarker: null,
getPlace: function (placeId) {
var xhr = new XMLHttpRequest();
xhr.responseType = 'json';
xhr.onload = function () {
document.getElementById('loading').style.visibility = 'hidden';
if (!this.response.panoId) {
document.getElementById('noPano').style.visibility = 'visible';
return;
}
MapEditor.loadPano(this.response.panoId);
};
xhr.open('GET', '/admin/place.json/' + placeId, true);
xhr.send();
},
loadPano: function (panoId) {
MapEditor.panorama.setVisible(true);
MapEditor.panorama.setPov({ heading: 0, pitch: 0 });
MapEditor.panorama.setZoom(0);
MapEditor.panorama.setPano(panoId);
},
select: function (marker) {
document.getElementById('loading').style.visibility = 'visible';
document.getElementById('map').classList.add('selected');
document.getElementById('control').classList.add('selected');
document.getElementById('noPano').style.visibility = 'hidden';
document.getElementById('panorama').style.visibility = 'visible';
document.getElementById('placeControl').style.visibility = 'visible';
MapEditor.resetSelected();
MapEditor.selectedMarker = marker;
marker.setIcon(L.icon({
iconUrl: '/static/img/markers/marker-blue.svg',
iconSize: [24, 32],
iconAnchor: [12, 32]
}));
marker.setZIndexOffset(2000);
MapEditor.map.invalidateSize(true);
MapEditor.map.panTo(marker.getLatLng());
MapEditor.panorama.setVisible(false);
MapEditor.getPlace(marker.placeId);
},
resetSelected: function () {
if (!MapEditor.selectedMarker) {
return;
}
MapEditor.selectedMarker.setIcon(L.icon({
iconUrl: '/static/img/markers/marker-green.svg',
iconSize: [24, 32],
iconAnchor: [12, 32]
}));
MapEditor.selectedMarker.setZIndexOffset(1000);
}
};
var Util = {
getHighResData: function () {
if (window.devicePixelRatio >= 4) {
return { ppi: 320, tileSize: 128, zoomOffset: 1 };
} else if (window.devicePixelRatio >= 2) {
return { ppi: 250, tileSize: 256, zoomOffset: 0 };
} else {
return { ppi: 72, tileSize: 512, zoomOffset: -1 };
}
}
};
MapEditor.map = L.map('map', {
attributionControl: false,
zoomControl: false
});
var highResData = Util.getHighResData();
L.tileLayer(tileUrl, {
subdomains: '1234',
ppi: highResData.ppi,
tileSize: highResData.tileSize,
zoomOffset: highResData.zoomOffset,
minZoom: 0,
maxZoom: 20
}).addTo(MapEditor.map);
MapEditor.map.fitBounds(L.latLngBounds({ lat: mapBounds.south, lng: mapBounds.west }, { lat: mapBounds.north, lng: mapBounds.east }));
for (var i = 0; i < places.length; ++i) {
var marker = L.marker({ lat: places[i].lat, lng: places[i].lng }, {
icon: L.icon({
iconUrl: '/static/img/markers/marker-green.svg',
iconSize: [24, 32],
iconAnchor: [12, 32]
}),
zIndexOffset: 1000
})
.addTo(MapEditor.map)
.on('click', function () {
MapEditor.select(this);
});
marker.placeId = places[i].id;
}
MapEditor.panorama = new google.maps.StreetViewPanorama(document.getElementById('panorama'), {
// switch off fullscreenControl because positioning doesn't work
fullscreenControl: false,
fullscreenControlOptions: {
position: google.maps.ControlPosition.LEFT_TOP
},
motionTracking: false
});
document.getElementById('cancelButton').onclick = function () {
document.getElementById('map').classList.remove('selected');
document.getElementById('control').classList.remove('selected');
document.getElementById('noPano').style.visibility = 'hidden';
document.getElementById('panorama').style.visibility = 'hidden';
document.getElementById('placeControl').style.visibility = 'hidden';
MapEditor.resetSelected();
MapEditor.selectedMarker = null;
MapEditor.map.invalidateSize(true);
};
})();