hopglass/lib/map.js

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JavaScript
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define(["map/clientlayer", "map/labelslayer",
"d3", "leaflet", "moment", "locationmarker",
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"leaflet.label", "leaflet.providers"],
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function (ClientLayer, LabelsLayer, d3, L, moment, LocationMarker) {
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var options = { worldCopyJump: true,
zoomControl: false
}
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var AddLayerButton = L.Control.extend({
options: {
position: "bottomright"
},
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initialize: function (f, options) {
L.Util.setOptions(this, options)
this.f = f
},
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onAdd: function () {
var button = L.DomUtil.create("button", "add-layer")
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L.DomEvent.disableClickPropagation(button)
L.DomEvent.addListener(button, "click", this.f, this)
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this.button = button
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return button
}
})
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var LocateButton = L.Control.extend({
options: {
position: "bottomright"
},
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active: false,
button: undefined,
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initialize: function (f, options) {
L.Util.setOptions(this, options)
this.f = f
},
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onAdd: function () {
var button = L.DomUtil.create("button", "locate-user")
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L.DomEvent.disableClickPropagation(button)
L.DomEvent.addListener(button, "click", this.onClick, this)
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this.button = button
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return button
},
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update: function() {
this.button.classList.toggle("active", this.active)
},
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set: function(v) {
this.active = v
this.update()
},
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onClick: function () {
this.f(!this.active)
}
})
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function mkMarker(dict, iconFunc, router) {
return function (d) {
var m = L.circleMarker([d.nodeinfo.location.latitude, d.nodeinfo.location.longitude], iconFunc(d))
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m.resetStyle = function () {
m.setStyle(iconFunc(d))
}
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m.on("click", router.node(d))
m.bindLabel(d.nodeinfo.hostname)
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dict[d.nodeinfo.node_id] = m
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return m
}
}
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function addLinksToMap(dict, linkScale, graph, router) {
graph = graph.filter( function (d) {
return "distance" in d && !d.vpn
})
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var lines = graph.map( function (d) {
var opts = { color: linkScale(d.tq).hex(),
weight: 4,
opacity: 0.5,
dashArray: "none"
}
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var line = L.polyline(d.latlngs, opts)
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line.resetStyle = function () {
line.setStyle(opts)
}
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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))
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dict[d.id] = line
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return line
})
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return lines
}
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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 }
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return function (config, linkScale, sidebar, router) {
var self = this
var barycenter
var groupOnline, groupOffline, groupNew, groupLost, groupLines
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var map, userLocation
var layerControl
var customLayers = new Set()
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var locateUserButton = new LocateButton(function (d) {
if (d)
enableTracking()
else
disableTracking()
})
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function enableTracking() {
map.locate({watch: true,
enableHighAccuracy: true,
setView: true
})
locateUserButton.set(true)
}
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function disableTracking() {
map.stopLocate()
locationError()
locateUserButton.set(false)
}
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function locationFound(e) {
if (!userLocation)
userLocation = new LocationMarker(e.latlng).addTo(map)
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userLocation.setLatLng(e.latlng)
userLocation.setAccuracy(e.accuracy)
}
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function locationError() {
if (userLocation) {
map.removeLayer(userLocation)
userLocation = null
}
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}
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function addLayer(layerName) {
if (customLayers.has(layerName))
return
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try {
var layer = L.tileLayer.provider(layerName)
layerControl.addBaseLayer(layer, layerName)
customLayers.add(layerName)
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if (!layerControl.added) {
layerControl.addTo(map)
layerControl.added = true
}
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if (localStorageTest())
localStorage.setItem("map/customLayers", JSON.stringify(Array.from(customLayers)))
} catch (e) {
return
}
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}
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var el = document.createElement("div")
el.classList.add("map")
self.div = el
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map = L.map(el, options)
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var baseLayer = 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)
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map.on("locationfound", locationFound)
map.on("locationerror", locationError)
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map.addControl(locateUserButton)
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map.addControl(new AddLayerButton(function () {
/*eslint no-alert:0*/
var layerName = prompt("Leaflet Provider:")
addLayer(layerName)
}))
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layerControl = L.control.layers({"MapQuest": baseLayer}, [], {position: "bottomright"})
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if (localStorageTest()) {
var layers = JSON.parse(localStorage.getItem("map/customLayers"))
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if (layers)
layers.forEach(addLayer)
}
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var clientLayer = new ClientLayer()
clientLayer.addTo(map)
clientLayer.setZIndex(5)
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var labelsLayer = new LabelsLayer({minZoom: 15})
labelsLayer.addTo(map)
labelsLayer.setZIndex(6)
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var nodeDict = {}
var linkDict = {}
var highlight
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function resetMarkerStyles(nodes, links) {
Object.keys(nodes).forEach( function (d) {
nodes[d].resetStyle()
})
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Object.keys(links).forEach( function (d) {
links[d].resetStyle()
})
}
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function setView(bounds) {
map.fitBounds(bounds, {paddingTopLeft: [sidebar.getWidth(), 0]})
}
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function resetZoom() {
setView(barycenter.getBounds())
}
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function goto(m) {
var bounds
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if ("getBounds" in m)
bounds = m.getBounds()
else
bounds = L.latLngBounds([m.getLatLng()])
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setView(bounds)
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return m
}
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function updateView(nopanzoom) {
resetMarkerStyles(nodeDict, linkDict)
var m
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if (highlight !== undefined)
if (highlight.type === "node") {
m = nodeDict[highlight.o.nodeinfo.node_id]
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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]
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if (m)
m.setStyle({ weight: 7, opacity: 1, dashArray: "10, 10" })
}
if (!nopanzoom)
if (m)
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goto(m)
else
resetZoom()
}
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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 })
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var barycenter = L.latLng(d3.median(lats), d3.median(lngs))
var barycenterDev = [d3.deviation(lats), d3.deviation(lngs)]
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var barycenterCircle = L.latLng(barycenter.lat + barycenterDev[0],
barycenter.lng + barycenterDev[1])
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var r = barycenter.distanceTo(barycenterCircle)
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return L.circle(barycenter, r * config.mapSigmaScale)
}
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self.setData = function (data) {
nodeDict = {}
linkDict = {}
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if (groupOffline)
groupOffline.clearLayers()
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if (groupOnline)
groupOnline.clearLayers()
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if (groupNew)
groupNew.clearLayers()
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if (groupLost)
groupLost.clearLayers()
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if (groupLines)
groupLines.clearLayers()
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var lines = addLinksToMap(linkDict, linkScale, data.graph.links, router)
groupLines = L.featureGroup(lines).addTo(map)
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barycenter = calcBarycenter(data.nodes.all.filter(has_location))
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var nodesOnline = subtract(data.nodes.all.filter(online), data.nodes.new)
var nodesOffline = subtract(data.nodes.all.filter(offline), data.nodes.lost)
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var markersOnline = nodesOnline.filter(has_location)
.map(mkMarker(nodeDict, function () { return iconOnline }, router))
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var markersOffline = nodesOffline.filter(has_location)
.map(mkMarker(nodeDict, function () { return iconOffline }, router))
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var markersNew = data.nodes.new.filter(has_location)
.map(mkMarker(nodeDict, function () { return iconNew }, router))
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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
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return iconLost
}, router))
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groupOffline = L.featureGroup(markersOffline).addTo(map)
groupOnline = L.featureGroup(markersOnline).addTo(map)
groupNew = L.featureGroup(markersNew).addTo(map)
groupLost = L.featureGroup(markersLost).addTo(map)
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clientLayer.setData(data.nodes.all.filter(online).filter(has_location))
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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)
})
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updateView(true)
}
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self.resetView = function () {
disableTracking()
highlight = undefined
updateView()
}
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self.gotoNode = function (d) {
disableTracking()
highlight = {type: "node", o: d}
updateView()
}
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self.gotoLink = function (d) {
disableTracking()
highlight = {type: "link", o: d}
updateView()
}
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self.destroy = function () {
map.remove()
}
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return self
}
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})