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fgdata/webgui/widgets/map.js
2015-02-25 16:44:47 +01:00

197 lines
8.3 KiB
JavaScript

define(
[
'knockout', 'jquery', 'leaflet', 'text!./map.html'
],
function(ko, jquery, leaflet, htmlString) {
function ViewModel(params, componentInfo) {
var self = this;
self.element = componentInfo.element;
self.followAircraft = ko.observable(true);
self.altitude = ko.observable(0).extend({
fgprop : 'altitude'
});
self.tas = ko.observable(0).extend({
fgprop : 'groundspeed'
});
self.heading = ko.observable(0).extend({
fgprop : 'heading'
});
if (params && params.css) {
for ( var p in params.css) {
$(self.element).css(p, params.css[p]);
}
}
if ($(self.element).height() < 1) {
$(self.element).css("min-height", $(self.element).width());
}
var MapOptions = {
attributionControl: false,
};
if( params && params.map ) {
for( var p in params.map ) {
MapOptions[p] = params.map[p];
}
MapOptions = params.map;
}
self.map = leaflet.map(self.element,MapOptions).setView([
53.5, 10.0
], MapOptions.zoom || 13);
var baseLayers = {
"OpenStreetMaps" : new leaflet.TileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom : 18,
attribution : 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors'
})
}
self.map.addLayer(baseLayers["OpenStreetMaps"]);
if( params && params.overlays ) {
L.control.layers(baseLayers, params.overlays).addTo(self.map);
}
L.RotatedMarker = L.Marker.extend({
options : {
angle : 0
},
_setPos : function(pos) {
L.Marker.prototype._setPos.call(this, pos);
this._icon.style[L.DomUtil.TRANSFORM] += ' rotate(' + this.options.angle + 'deg)';
}
});
L.AircraftMarker = L.RotatedMarker
.extend({
options : {
angle : 0,
clickable : false,
keyboard : false,
icon : L
.divIcon({
iconSize : [
60, 60
],
iconAnchor : [
30, 30
],
className : 'aircraft-marker-icon',
html : '<svg xmlns="http://www.w3.org/2000/svg" height="100%" width="100%" viewBox="0 0 500 500" preserveAspectRatio="xMinYMin meet"><path d="M250.2,59.002c11.001,0,20.176,9.165,20.176,20.777v122.24l171.12,95.954v42.779l-171.12-49.501v89.227l40.337,29.946v35.446l-60.52-20.18-60.502,20.166v-35.45l40.341-29.946v-89.227l-171.14,49.51v-42.779l171.14-95.954v-122.24c0-11.612,9.15-20.777,20.16-20.777z" fill="#808080" stroke="black" stroke-width="5"/></svg>',
}),
zIndexOffset : 10000,
updateInterval : 100,
},
initialize : function(latlng, options) {
L.RotatedMarker.prototype.initialize(latlng, options);
L.Util.setOptions(this, options);
},
onAdd : function(map) {
L.RotatedMarker.prototype.onAdd.call(this, map);
this.popup = L.popup({
autoPan : false,
keepInView : false,
closeButton : false,
className : 'aircraft-marker-popup',
closeOnClick : false,
maxWidth : 200,
minWidth : 120,
offset : [
30, 30
],
}, this);
this.popup
.setContent('<div class="aircraft-marker aircraft-marker-altitude"><span data-bind="text: altitude().toFixed(0)"></span>ft</div>'
+ '<div class="aircraft-marker aircraft-marker-heading"><span data-bind="text: heading().toFixed(0)"></span>&deg</div>'
+ '<div class="aircraft-marker aircraft-marker-tas"><span data-bind="text: tas().toFixed(0)"></span>kt</div><div style="clear: both"/>');
this.bindPopup(this.popup);
this.addTo(this._map);
this.openPopup();
},
onRemove : function(map) {
if (this.timeoutid != null)
clearTimeout(this.timeoutid);
L.RotatedMarker.prototype.onRemove.call(this, map);
},
});
L.aircraftMarker = function(latlng, options) {
return new L.AircraftMarker(latlng, options);
}
var aircraftMarker = L.aircraftMarker(self.map.getCenter());
aircraftMarker.addTo(self.map);
var aircraftTrack = L.polyline([], {
color : 'red'
}).addTo(self.map);
self.latitude = ko.observable(0).extend({
fgprop : 'latitude'
});
self.longitude = ko.observable(0).extend({
fgprop : 'longitude'
});
self.heading = ko.observable(0).extend({
fgprop : 'heading'
});
self.position = ko.computed(function() {
return leaflet.latLng(self.latitude(), self.longitude());
}).extend({
rateLimit : 200
});
self.position.subscribe(function(newValue) {
aircraftMarker.setLatLng(newValue);
});
self.heading.subscribe(function(newValue) {
aircraftMarker.options.angle = newValue;
});
self.mapCenter = ko.computed(function() {
return leaflet.latLng(self.latitude(), self.longitude());
}).extend({
rateLimit : 2000
});
self.aircraftTrailLength = 60;
self.mapCenter.subscribe(function(newValue) {
if (self.followAircraft()) {
self.map.setView(newValue);
}
var trail = aircraftTrack.getLatLngs();
while (trail.length > self.aircraftTrailLength)
trail.shift();
trail.push(newValue);
aircraftTrack.setLatLngs(trail);
});
}
// Return component definition
return {
viewModel : {
createViewModel : function(params, componentInfo) {
return new ViewModel(params, componentInfo);
},
},
template : htmlString,
};
});