126 lines
4 KiB
JavaScript
126 lines
4 KiB
JavaScript
function getOffset( el ) {
|
||
var _x = 0;
|
||
var _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 vis = d3.select("#chart").append("svg")
|
||
.attr("width", w)
|
||
.attr("height", h);
|
||
|
||
d3.json("nodes.json", function(json) {
|
||
var force = d3.layout.force()
|
||
.charge(-100)
|
||
.gravity(0.02)
|
||
.friction(0.75)
|
||
.theta(0.1)
|
||
.linkDistance(function (d) { return d.distance; })
|
||
.linkStrength(function (d) { return d.strength; })
|
||
.nodes(json.nodes)
|
||
.links(json.links)
|
||
.size([w, h])
|
||
.start();
|
||
|
||
var linkedByIndex = {};
|
||
|
||
json.links.forEach(function(d) {
|
||
linkedByIndex[d.source.index + "," + d.target.index] = 1;
|
||
});
|
||
|
||
var link = vis.selectAll("line.link")
|
||
.data(json.links)
|
||
.enter().append("line")
|
||
.attr("class", "link")
|
||
.style("stroke-width", function(d) { return Math.min(1, d.strength * 2); })
|
||
.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; });
|
||
|
||
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) {
|
||
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;
|
||
});
|
||
|
||
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(d.macs);
|
||
|
||
nodeinfo.append("p")
|
||
.text(d.gps);
|
||
}
|
||
|
||
var node = vis.selectAll("svg.node")
|
||
.data(json.nodes)
|
||
.enter().append("g")
|
||
.attr("class", "node")
|
||
.on("mouseover", fade(.2))
|
||
.on("mouseout", fade(1))
|
||
.on("click", show_node_info)
|
||
.call(force.drag);
|
||
|
||
node.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); });
|
||
|
||
node.append("text")
|
||
.attr("text-anchor", "middle")
|
||
.attr("y", "4px")
|
||
.text(function(d) { if (d.group == 3) return ""; else return d.name; });
|
||
|
||
node.append("title")
|
||
.text(function(d) { return d.macs; });
|
||
|
||
force.on("tick", function() {
|
||
link.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; });
|
||
|
||
node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
|
||
});
|
||
});
|