cluster toggle

_.md

[ Launch: cluster basics ] 6864482 by Y4suyuki
[ Launch: cluster basics ] 6864037 by Y4suyuki

config.json

{"description":"cluster toggle","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"flare.json":{"default":true,"vim":false,"emacs":false,"fontSize":12},"inlet.css":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":true,"autoinit":true,"pause":true,"loop_type":"pingpong","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"thumbnail":"http://i.imgur.com/KKztdwo.png","inline-console":false}

flare.json

{
 "name": "flare",
 "children": [
  {
   "name": "analytics",
   "children": [
    {
     "name": "cluster",
     "children": [
      {"name": "AgglomerativeCluster", "size": 3938},
      {"name": "CommunityStructure", "size": 3812},
      {"name": "MergeEdge", "size": 743}
     ]
    },
    {
     "name": "graph",
     "children": [
      {"name": "BetweennessCentrality", "size": 3534},
      {"name": "LinkDistance", "size": 5731}
     ]
    }
   ]
  }
 ]
}

inlet.css

.link {
  fill:none;
  stroke: #ccc;
  stroke-width: 1.5px;
}

.node circle {
  stroke: steelblue;
  stroke-width: 2.5px;
}

inlet.js

var svg = d3.select("svg")

var flare_d = tributary.flare;
var cluster = d3.layout.cluster()
    .size([435,263]);
var diagonal = d3.svg.diagonal()
.projection(function(d) { return [d.y, d.x]; });

var nodes = cluster.nodes(flare_d),
    links = cluster.links(nodes);

var link = svg.selectAll(".link")
    .data(links)
    .enter().append("path")
    .attr("class", "link")
    .attr("d", diagonal);

var node = svg.selectAll(".node")
    .data(nodes)
    .enter().append("g")
    .attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.y + ", " + d.x + ")"});

node.append("circle")
    .attr("r", 4.5)
    .attr("fill", "none")
.on("mouseover", function() {
  d3.select(this).attr("fill", "steelblue");
})
.on("mouseout", function() {
  d3.select(this).attr("fill", "none");
})
.on("click", function(d) {
  toggle(d);
  update(d);
});

node.append("text")
.attr("dx", function(d) { return d.childlen ? -8 : 8; })
.attr("dy", function(d) { return 3; })
.style("textanchor", function(d) { return d.children ? "end" : "start"; })
.text(function(d) { return d.size ? d.name + ": " + d.size : d.name; })


function toggle(d) {
  if (d.children) {
    d._children = d.children;
    d.children = null;
  } else {
    d.children = d._children;
    d._children = null;
  }
}

function update(source) {
  var nodes = cluster.nodes(flare_d),
      links = cluster.links(nodes);
  
  var node = d3.selectAll(".node")
  .data(nodes),
      link = d3.selectAll(".link").data(links);
  console.log(node.enter());
  var nodeEnter = node.enter().append("g")
  .attr("class", "node")
  .attr("transform", function(d) {
    return "translate(" + source.y0 + "," + source.x0 + ")";
  })
  .on("click", function() {
    toggle(d);
    update(d);
  });
  nodeEnter.append("circle")
  .attr("r", 4.5)
  .attr("fill", "none");
  nodeEnter.append("text")
  .attr("dx", function(d) { return d.childlen ? -8 : 8; })
  .attr("dy", function() { return 3; })
  .style("textanchor", function(d) { return d.children ? "end" : "start"; })
  .text(function(d) { return d.size ? d.name + ": " + d.size : d.name; });
  
  var nodeUpdate = node.transition()
  .attr("transform", function(d) {
    return "translate(" + d.y + "," + d.x + ")";
  });
  
  nodeUpdate.select("circle")
  .attr("r", 4.5)
  .attr("fill", function(d) { return d._children? "lightsteelblue" : "#fff";});
  
  var nodeExit = node.exit().transition()
  .attr("transform", "translate(" + source.y + "," + source.x + ")")
  .remove();
  
  link.enter().insert("path")
  .attr("class", ".link")
  .attr("d", function(d) {
    var o = {x: source.x0, y: source.y0 };
    return diagonal({source: o, target: o});
  })
  .transition()
  .attr("d", diagonal);
  
  link.transition()
  .attr("d", diagonal);
  
  link.exit().transition()
  .attr("d", function(d) {
    var o = {x: source.x0, y: source.y0};
    return diagonal({source: o, target: o});
  }).remove();
  
  nodes.forEach(function(d) {
    d.x0 = d.x;
    d.y0 = d.y;
  });
}