meshviewer/lib/map.js
2015-04-12 02:47:52 +02:00

310 lines
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JavaScript
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define(["d3", "leaflet", "moment", "locationmarker", "leaflet.label"],
function (d3, L, moment, LocationMarker) {
var options = { worldCopyJump: true,
zoomControl: false
}
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")
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)
}
})
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
})
var lines = graph.map( function (d) {
var opts = { color: 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) {
var self = this
var barycenter
var groupOnline, groupOffline, groupNew, groupLost, groupLines
var map, userLocation
var locateUserButton = new LocateButton(function (d) {
if (d)
enableTracking()
else
disableTracking()
})
function enableTracking() {
map.locate({watch: true,
enableHighAccuracy: true,
setView: true
})
locateUserButton.set(true)
}
function disableTracking() {
map.stopLocate()
locationError()
locateUserButton.set(false)
}
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
}
}
var el = document.createElement("div")
el.classList.add("map")
self.div = el
map = L.map(el, options)
L.tileLayer("https://otile{s}-s.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.jpg", {
subdomains: "1234",
type: "osm",
attribution: "Tiles &copy; <a href=\"https://www.mapquest.com/\" target=\"_blank\">MapQuest</a>, Data CC-BY-SA OpenStreetMap",
maxZoom: 18
}).addTo(map)
map.on("locationfound", locationFound)
map.on("locationerror", locationError)
map.addControl(locateUserButton)
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.getWidth(), 0]})
}
function resetZoom() {
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
resetZoom()
}
function calcBarycenter(nodes) {
nodes = nodes.map(function (d) { return d.nodeinfo.location })
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)]
var barycenterCircle = L.latLng(barycenter.lat + barycenterDev[0],
barycenter.lng + barycenterDev[1])
var r = barycenter.distanceTo(barycenterCircle)
return L.circle(barycenter, r * config.mapSigmaScale)
}
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)
barycenter = calcBarycenter(data.nodes.all.filter(has_location))
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)
groupNew = L.featureGroup(markersNew).addTo(map)
groupLost = L.featureGroup(markersLost).addTo(map)
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.destroy = function () {
map.remove()
}
return self
}
})