hopglass/lib/map.js
2017-03-21 22:53:34 +01:00

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JavaScript
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define(["map/clientlayer", "map/labelslayer",
"d3", "leaflet", "moment", "locationmarker", "rbush",
"leaflet.label", "leaflet.providers"],
function (ClientLayer, LabelsLayer, d3, L, moment, LocationMarker, rbush) {
var options = {
worldCopyJump: true,
zoomControl: false
};
var AddLayerButton = L.Control.extend({
options: {
position: "bottomright"
},
initialize: function (f, options) {
L.Util.setOptions(this, options);
this.f = f;
},
onAdd: function () {
var button = L.DomUtil.create("button", "add-layer");
button.textContent = "\uF2C7";
// L.DomEvent.disableClickPropagation(button)
// Click propagation isn't disabled as this causes problems with the
// location picking mode; instead propagation is stopped in onClick().
L.DomEvent.addListener(button, "click", this.f, this);
this.button = button;
return button;
}
});
var LocateButton = L.Control.extend({
options: {
position: "bottomright"
},
active: false,
button: undefined,
initialize: function (f, options) {
L.Util.setOptions(this, options);
this.f = f;
},
onAdd: function () {
var button = L.DomUtil.create("button", "locate-user");
button.textContent = "\uF2E9";
L.DomEvent.disableClickPropagation(button);
L.DomEvent.addListener(button, "click", this.onClick, this);
this.button = button;
return button;
},
update: function () {
this.button.classList.toggle("active", this.active);
},
set: function (v) {
this.active = v;
this.update();
},
onClick: function () {
this.f(!this.active);
}
});
var CoordsPickerButton = L.Control.extend({
options: {
position: "bottomright"
},
active: false,
button: undefined,
initialize: function (f, options) {
L.Util.setOptions(this, options);
this.f = f;
},
onAdd: function () {
var button = L.DomUtil.create("button", "coord-picker");
button.textContent = "\uF2A6";
// Click propagation isn't disabled as this causes problems with the
// location picking mode; instead propagation is stopped in onClick().
L.DomEvent.addListener(button, "click", this.onClick, this);
this.button = button;
return button;
},
update: function () {
this.button.classList.toggle("active", this.active);
},
set: function (v) {
this.active = v;
this.update();
},
onClick: function (e) {
L.DomEvent.stopPropagation(e);
this.f(!this.active);
}
});
function mkMarker(dict, iconFunc, router) {
return function (d) {
var m = L.circleMarker([d.nodeinfo.location.latitude, d.nodeinfo.location.longitude], iconFunc(d));
m.resetStyle = function () {
m.setStyle(iconFunc(d));
};
m.on("click", router.node(d));
m.bindLabel(d.nodeinfo.hostname);
dict[d.nodeinfo.node_id] = m;
return m;
};
}
function addLinksToMap(dict, linkScale, graph, router) {
graph = graph.filter(function (d) {
return "distance" in d && d.type !== "VPN";
});
var lines = graph.map(function (d) {
var opts = {
color: d.type === "Kabel" ? "#50B0F0" : linkScale(d.tq).hex(),
weight: 4,
opacity: 0.5,
dashArray: "none"
};
var line = L.polyline(d.latlngs, opts);
line.resetStyle = function () {
line.setStyle(opts);
};
line.bindLabel(d.source.node.nodeinfo.hostname + " " + d.target.node.nodeinfo.hostname + "<br><strong>" + showDistance(d) + " / " + showTq(d) + "</strong>");
line.on("click", router.link(d));
dict[d.id] = line;
return line;
});
return lines;
}
var iconOnline = {
color: "#1566A9",
fillColor: "#1566A9",
radius: 6,
fillOpacity: 0.5,
opacity: 0.5,
weight: 2,
className: "stroke-first"
};
var iconOffline = {
color: "#D43E2A",
fillColor: "#D43E2A",
radius: 3,
fillOpacity: 0.5,
opacity: 0.5,
weight: 1,
className: "stroke-first"
};
var iconLost = {
color: "#D43E2A",
fillColor: "#D43E2A",
radius: 6,
fillOpacity: 0.8,
opacity: 0.8,
weight: 1,
className: "stroke-first"
};
var iconAlert = {
color: "#D43E2A",
fillColor: "#D43E2A",
radius: 6,
fillOpacity: 0.8,
opacity: 0.8,
weight: 2,
className: "stroke-first node-alert"
};
var iconNew = {color: "#1566A9", fillColor: "#93E929", radius: 6, fillOpacity: 1.0, opacity: 0.5, weight: 2};
return function (config, linkScale, sidebar, router, buttons) {
var self = this;
var barycenter;
var groupOnline, groupOffline, groupNew, groupLost, groupLines;
var savedView;
var map, userLocation;
var layerControl;
var customLayers = {};
var baseLayers = {};
var locateUserButton = new LocateButton(function (d) {
if (d) {
enableTracking();
} else {
disableTracking();
}
});
var mybuttons = [];
function addButton(button) {
var el = button.onAdd();
mybuttons.push(el);
buttons.appendChild(el);
}
function clearButtons() {
mybuttons.forEach(function (d) {
buttons.removeChild(d);
});
}
var showCoordsPickerButton = new CoordsPickerButton(function (d) {
if (d) {
enableCoords();
} else {
disableCoords();
}
});
function saveView() {
savedView = {
center: map.getCenter(),
zoom: map.getZoom()
};
}
function enableTracking() {
map.locate({
watch: true,
enableHighAccuracy: true,
setView: true
});
locateUserButton.set(true);
}
function disableTracking() {
map.stopLocate();
locationError();
locateUserButton.set(false);
}
function enableCoords() {
map.getContainer().classList.add("pick-coordinates");
map.on("click", showCoordinates);
showCoordsPickerButton.set(true);
}
function disableCoords() {
map.getContainer().classList.remove("pick-coordinates");
map.off("click", showCoordinates);
showCoordsPickerButton.set(false);
}
function showCoordinates(e) {
router.gotoLocation(e.latlng);
// window.prompt("Koordinaten (Lat, Lng)", e.latlng.lat.toFixed(9) + ", " + e.latlng.lng.toFixed(9))
disableCoords();
}
function locationFound(e) {
if (!userLocation) {
userLocation = new LocationMarker(e.latlng).addTo(map);
}
userLocation.setLatLng(e.latlng);
userLocation.setAccuracy(e.accuracy);
}
function locationError() {
if (userLocation) {
map.removeLayer(userLocation);
userLocation = null;
}
}
function addLayer(layerName) {
if (layerName in baseLayers) {
return;
}
if (layerName in customLayers) {
return;
}
try {
var layer = L.tileLayer.provider(layerName);
layerControl.addBaseLayer(layer, layerName);
customLayers[layerName] = layer;
if (localStorageTest()) {
localStorage.setItem("map/customLayers", JSON.stringify(Object.keys(customLayers)));
}
} catch (e) {
}
}
function contextMenuGotoLocation(e) {
router.gotoLocation(e.latlng);
}
var el = document.createElement("div");
el.classList.add("map");
map = L.map(el, options);
var layers = config.mapLayers.map(function (d) {
return {
"name": d.name,
"layer": "url" in d ? L.tileLayer(d.url, d.config) : L.tileLayer.provider(d.name)
};
});
layers[0].layer.addTo(map);
layers.forEach(function (d) {
baseLayers[d.name] = d.layer;
});
map.on("locationfound", locationFound);
map.on("locationerror", locationError);
map.on("dragend", saveView);
map.on("contextmenu", contextMenuGotoLocation);
addButton(locateUserButton);
addButton(showCoordsPickerButton);
addButton(new AddLayerButton(function () {
/*eslint no-alert:0*/
var layerName = prompt("Leaflet Provider:");
addLayer(layerName);
}));
layerControl = L.control.layers(baseLayers, [], {position: "bottomright"});
layerControl.addTo(map);
if (localStorageTest()) {
var d = JSON.parse(localStorage.getItem("map/customLayers"));
if (d) {
d.forEach(addLayer);
}
d = JSON.parse(localStorage.getItem("map/selectedLayer"));
d = d && d.name in baseLayers ? baseLayers[d.name] : d && d.name in customLayers ? customLayers[d.name] : false;
if (d) {
map.removeLayer(layers[0].layer);
map.addLayer(d);
}
}
var clientLayer = new ClientLayer({minZoom: 15});
clientLayer.addTo(map);
clientLayer.setZIndex(5);
var labelsLayer = new LabelsLayer({});
labelsLayer.addTo(map);
labelsLayer.setZIndex(6);
map.on("baselayerchange", function (e) {
map.options.maxZoom = e.layer.options.maxZoom;
clientLayer.options.maxZoom = map.options.maxZoom;
labelsLayer.options.maxZoom = map.options.maxZoom;
if (map.getZoom() > map.options.maxZoom) {
map.setZoom(map.options.maxZoom);
}
if (localStorageTest()) {
localStorage.setItem("map/selectedLayer", JSON.stringify({name: e.name}));
}
});
var nodeDict = {};
var linkDict = {};
var highlight;
function resetMarkerStyles(nodes, links) {
Object.keys(nodes).forEach(function (d) {
nodes[d].resetStyle();
});
Object.keys(links).forEach(function (d) {
links[d].resetStyle();
});
}
function setView(bounds) {
map.fitBounds(bounds, {paddingTopLeft: [sidebar(), 0]});
}
function resetZoom() {
if (barycenter) {
setView(barycenter.getBounds());
}
}
function goto(m) {
var bounds;
if ("getBounds" in m) {
bounds = m.getBounds();
} else {
bounds = L.latLngBounds([m.getLatLng()]);
}
setView(bounds);
return m;
}
function updateView(nopanzoom) {
resetMarkerStyles(nodeDict, linkDict);
var m;
if (highlight !== undefined) {
if (highlight.type === "node") {
m = nodeDict[highlight.o.nodeinfo.node_id];
if (m) {
m.setStyle({color: "orange", weight: 20, fillOpacity: 1, opacity: 0.7, className: "stroke-first"});
}
} else if (highlight.type === "link") {
m = linkDict[highlight.o.id];
if (m) {
m.setStyle({weight: 7, opacity: 1, dashArray: "10, 10"});
}
}
}
if (!nopanzoom) {
if (m) {
goto(m);
} else if (savedView) {
map.setView(savedView.center, savedView.zoom);
} else {
resetZoom();
}
}
}
function calcBarycenter(nodes) {
nodes = nodes.map(function (d) {
return d.nodeinfo.location;
});
if (nodes.length === 0) {
return undefined;
}
var lats = nodes.map(function (d) {
return d.latitude;
});
var lngs = nodes.map(function (d) {
return d.longitude;
});
var barycenter = L.latLng(d3.median(lats), d3.median(lngs));
var barycenterDev = [d3.deviation(lats), d3.deviation(lngs)];
if (barycenterDev[0] === undefined) {
barycenterDev[0] = 0;
}
if (barycenterDev[1] === undefined) {
barycenterDev[1] = 0;
}
var barycenterCircle = L.latLng(barycenter.lat + barycenterDev[0],
barycenter.lng + barycenterDev[1]);
var r = barycenter.distanceTo(barycenterCircle);
return L.circle(barycenter, r * config.mapSigmaScale);
}
function mapRTree(d) {
var o = [d.nodeinfo.location.latitude, d.nodeinfo.location.longitude,
d.nodeinfo.location.latitude, d.nodeinfo.location.longitude];
o.node = d;
return o;
}
self.setData = function (data) {
nodeDict = {};
linkDict = {};
if (groupOffline) {
groupOffline.clearLayers();
}
if (groupOnline) {
groupOnline.clearLayers();
}
if (groupNew) {
groupNew.clearLayers();
}
if (groupLost) {
groupLost.clearLayers();
}
if (groupLines) {
groupLines.clearLayers();
}
var lines = addLinksToMap(linkDict, linkScale, data.graph.links, router);
groupLines = L.featureGroup(lines).addTo(map);
if (typeof config.fixedCenter === "undefined") {
barycenter = calcBarycenter(data.nodes.all.filter(has_location));
} else {
barycenter = L.circle(L.latLng(new L.LatLng(config.fixedCenter.lat, config.fixedCenter.lng)), config.fixedCenter.radius * 1000);
}
var nodesOnline = subtract(data.nodes.all.filter(online), data.nodes.new);
var nodesOffline = subtract(data.nodes.all.filter(offline), data.nodes.lost);
var markersOnline = nodesOnline.filter(has_location)
.map(mkMarker(nodeDict, function () {
return iconOnline;
}, router));
var markersOffline = nodesOffline.filter(has_location)
.map(mkMarker(nodeDict, function () {
return iconOffline;
}, router));
var markersNew = data.nodes.new.filter(has_location)
.map(mkMarker(nodeDict, function () {
return iconNew;
}, router));
var markersLost = data.nodes.lost.filter(has_location)
.map(mkMarker(nodeDict, function (d) {
if (d.lastseen.isAfter(moment(data.now).subtract(3, "days"))) {
return iconAlert;
}
return iconLost;
}, router));
groupOffline = L.featureGroup(markersOffline).addTo(map);
groupOnline = L.featureGroup(markersOnline).addTo(map);
groupLost = L.featureGroup(markersLost).addTo(map);
groupNew = L.featureGroup(markersNew).addTo(map);
var rtreeOnlineAll = rbush(9);
rtreeOnlineAll.load(data.nodes.all.filter(online).filter(has_location).map(mapRTree));
clientLayer.setData(rtreeOnlineAll);
labelsLayer.setData({
online: nodesOnline.filter(has_location),
offline: nodesOffline.filter(has_location),
new: data.nodes.new.filter(has_location),
lost: data.nodes.lost.filter(has_location)
});
updateView(true);
};
self.resetView = function () {
disableTracking();
highlight = undefined;
updateView();
};
self.gotoNode = function (d) {
disableTracking();
highlight = {type: "node", o: d};
updateView();
};
self.gotoLink = function (d) {
disableTracking();
highlight = {type: "link", o: d};
updateView();
};
self.gotoLocation = function () {
//ignore
};
self.destroy = function () {
clearButtons();
map.remove();
if (el.parentNode) {
el.parentNode.removeChild(el);
}
};
self.render = function (d) {
d.appendChild(el);
map.invalidateSize();
};
return self;
};
});