ffmap-backend/html/force.js

323 lines
8.0 KiB
JavaScript
Raw Blame History

This file contains invisible Unicode characters!

This file contains invisible Unicode characters that may be processed differently from what appears below. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to reveal hidden characters.

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

function getOffset( el ) {
var _x = 0, _y = 0
while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {
_x += el.offsetLeft - el.scrollLeft
_y += el.offsetTop - el.scrollTop
el = el.offsetParent
}
return { top: _y, left: _x }
}
var offset = getOffset(document.getElementById('chart'))
var w = window.innerWidth - offset.left,
h = window.innerHeight - offset.top,
fill = d3.scale.category20()
var cp = d3.select("#chart").append("div")
.attr("id", "controlpanel")
var btns = cp.append("div")
.attr("class", "btn-group")
.attr("data-toggle", "buttons-radio")
btns.append("button")
.attr("class", "btn active left")
.attr("value", "all")
.text("Alles")
.on("click", update_graph)
btns.append("button")
.attr("class", "btn right")
.attr("value", "mesh")
.text("nur Mesh")
.on("click", update_graph)
cp.append("label")
.text("Knoten hervorheben:")
cp.append("br")
cp.append("input")
.on("keyup", function(){show_node(this.value)})
.on("change", function(){show_node(this.value)})
function show_node(mac) {
d3.selectAll("#chart .node")
.classed("marked", false)
if (mac.length == 0)
return
d3.selectAll("#chart .node")
.each( function(d) {
if (d.id == mac)
d3.select(this)
.classed("marked", true)
})
}
var hashstr = window.location.hash.substring(1)
function isConnected(a, b) {
return linkedByIndex[a.index + "," + b.index] ||
linkedByIndex[b.index + "," + a.index] ||
a.index == b.index
}
function fade(opacity) {
return function(d) {
vis.selectAll("g.node")
  .style("stroke-opacity", function(o) {
var connected = isConnected(d, o)
if (connected && opacity != 1)
d3.select(this)
.classed("highlight", true)
else
d3.select(this)
.classed("highlight", false)
        thisOpacity = connected?1:opacity
   this.setAttribute('fill-opacity', thisOpacity)
        return thisOpacity
 })
vis.selectAll(".link *")
  .style("stroke-opacity", function(o) {
 return o.source === d || o.target === d ? 1 : opacity
 })
  }
}
function show_node_info(d) {
if (typeof nodeinfo !== 'undefined')
nodeinfo.remove();
nodeinfo = d3.select("#chart")
.append("div")
.attr("id", "nodeinfo")
nodeinfo.append("h1")
.text(d.name)
nodeinfo.append("p")
.text("primary: " + d.id)
nodeinfo.append("p")
.text("macs: " + d.macs)
nodeinfo.append("p")
.text(d.gps)
}
function update_graph() {
var value = jQuery(this).val()
update(data, value)
}
var i, j
var vis = d3.select("#chart").append("svg")
.attr("width", w)
.attr("height", h)
vis.append("g").attr("class", "links")
vis.append("g").attr("class", "nodes")
var linkedByIndex
var force = d3.layout.force()
.charge(-100)
.gravity(0.02)
.friction(0.75)
.theta(0.1)
.size([w, h])
force.on("tick", function() {
var link = vis.selectAll(".link")
link.selectAll("line")
.attr("x1", function(d) { return d.source.x })
.attr("y1", function(d) { return d.source.y })
.attr("x2", function(d) { return d.target.x })
.attr("y2", function(d) { return d.target.y })
link.selectAll(".label")
.attr("transform", function(d) {
π = Math.PI
Δx = d.source.x - d.target.x
Δy = d.source.y - d.target.y
m = Δy/Δx
α = Math.atan(m)
α += Δx<0?π:0
sin = Math.sin(α)
cos = Math.cos(α)
x = (Math.min(d.source.x, d.target.x) + Math.abs(Δx) / 2)
y = (Math.min(d.source.y, d.target.y) + Math.abs(Δy) / 2)
return "matrix(" + [cos, sin, -sin, cos, x, y].join(",") + ")"
})
vis.selectAll(".node").attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
})
})
var data
d3.json("nodes.json", function(json) {
force.linkDistance(function (d) { return d.distance; })
.linkStrength(function (d) { return d.strength; })
.start()
json.links.forEach(function(d) {
var node, other
if (d.source.group == 2) {
node = d.target;
other = d.source;
}
if (d.target.group == 2) {
node = d.source;
other = d.target;
}
if (node) {
if (node.uplinks === undefined)
node.uplinks = new Array();
node.uplinks.push(other);
}
})
data = json;
update(data, "all")
})
function update(src, type) {
var linkdata = data.links;
var links = force.links(data.links
.filter(function (d) {
return type != "mesh" ||
d.source.group != 2 &&
d.source.group != 3 &&
d.target.group != 2 &&
d.target.group != 3
})
).links()
var link = vis.select("g.links")
.selectAll("g.link")
.data(links, function(d) {
return d.id || (d.id = ++j)
})
var linkEnter = link.enter().append("g")
.attr("class", "link")
linkEnter.append("line")
.style("stroke-width", function(d) {
return Math.min(1, d.strength * 2)
})
linkEnter.filter(function (d) {
return d.quality != "TT" && d.quality != "1.000"
})
.append("path")
.attr("class", "label")
.attr("d", d3.svg.zigzag()
.amplitude(function (d) {
return Math.pow((1 - 1/d.quality), 0.5) * 8;
})
.len(30)
.angularFrequency(4)
)
link.exit().remove()
var nodes = force.nodes(data.nodes
.filter(function (d) {
return type != "mesh" ||
(d.group != 2 && d.group != 3)
})
).nodes()
var node = vis.select("g.nodes")
.selectAll("g.node")
.data(nodes,
function(d) {
return d.id || (d.id = ++i)
}
)
var nodeEnter = node.enter().append("g")
.attr("class", "node")
.on("mouseover", fade(.2))
.on("mouseout", fade(1))
.on("click", show_node_info)
.call(force.drag)
nodeEnter.append("ellipse")
.attr("rx", function(d) {
if (d.group == 3) return 4
else return Math.max(10, d.name.length * 5)
})
.attr("ry", function(d) {
if (d.group == 3) return 4
else return 10
})
.style("fill", function(d) {
if (d.group == 3) return fill(d.group)
else return ""
})
.style("stroke", function(d) {
return fill(d.group)
})
nodeEnter.filter(function(d) {
return d.group != 3
})
.append("text")
.attr("text-anchor", "middle")
.attr("y", "4px")
.text(function(d) { return d.name })
nodeEnter.append("title")
.text(function(d) { return d.macs })
if (type == "mesh") {
var uplink_info = node.filter(function (d) {
if (d.uplinks !== undefined)
return d.uplinks.length > 0;
else
return false;
})
.append("g");
uplink_info.append("path")
.attr("d","m -2.8850049,-13.182327"
+ "c 7.5369165,0.200772 12.1529864,-1.294922 12.3338513,-10.639456"
+ "l 2.2140476,1.018191 -3.3137621,-5.293097 -3.2945999,5.20893 2.4339957,-0.995747"
+ "c -0.4041883,5.76426 -1.1549641,10.561363 -10.3735326,10.701179 z")
.style("fill", "#333");
uplink_info.append("text")
.attr("text-anchor", "middle")
.attr("y", 3 - 20)
.text(function (d) {return d.uplinks.length});
}
node.exit().remove()
force.start()
linkedByIndex = {}
links.forEach(function(d) {
linkedByIndex[d.source.index + "," + d.target.index] = 1
})
if (hashstr.length != 0)
show_node(hashstr)
}