jakl/flare.json

## flare.json
{
 "name": "flare",
 "children": [
  {
   "name": "analytics",
   "children": [
    {
     "name": "cluster",
     "children": [
      {"name": "AgglomerativeCluster", "size": 3938},
      {"name": "CommunityStructure", "size": 3812}
     ]
    },
    {
     "name": "graph",
     "children": [
      {"name": "BetweennessCentrality", "size": 3534}
     ]
    }
   ]
  },
  {
   "name": "animate",
   "children": [
    {"name": "Easing", "size": 17010},
    {"name": "FunctionSequence", "size": 5842},
    {
     "name": "interpolate",
     "children": [
      {"name": "ArrayInterpolator", "size": 1983}
     ]
    },
    {"name": "ISchedulable", "size": 1041},
    {"name": "TransitionEvent", "size": 1116}
   ]
  }
 ]
}

## index.css
.node rect {
  cursor: pointer;
  fill: #fff;
  fill-opacity: .5;
  stroke: #3182bd;
  stroke-width: 1.5px;
}

.node text {
  font: 10px sans-serif;
  pointer-events: none;
}

path.link {
  fill: none;
  stroke: #9ecae1;
  stroke-width: 1.5px;
}

#cat {
  width: 99%;
}

## index.html
<head>
  <script type="text/javascript" src="http://d3js.org/d3.v2.js"></script>
  <link rel="stylesheet" type="text/css" href='index.css'</link>
</head>
<body>
  <input type='text' id='cat'>
  <div id="chart"></div>
  <script src='index.js'></script>
</body>

## index.js
var w = 960,
    h = 800,
    i = 0,
    barHeight = 20,
    barWidth = w * .8,
    duration = 400,
    root;

var tree = d3.layout.tree()
    .size([h, 100]);

var diagonal = d3.svg.diagonal()
    .projection(function(d) { return [d.y, d.x]; });

var vis = d3.select("#chart").append("svg:svg")
    .attr("width", w)
    .attr("height", h)
  .append("svg:g")
    .attr("transform", "translate(20,30)");

d3.json("flare.json", function(json) {
  json.x0 = 0;
  json.y0 = 0;
  update(root = json);
});

function update(source) {

  // Compute the flattened node list. TODO use d3.layout.hierarchy.
  var nodes = tree.nodes(root);

  // Compute the "layout".
  nodes.forEach(function(n, i) {
    n.x = i * barHeight;
  });

  // Update the nodes…
  var node = vis.selectAll("g.node")
      .data(nodes, function(d) { return d.id || (d.id = ++i); });

  var nodeEnter = node.enter().append("svg:g")
      .attr("class", "node")
      .attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
      .style("opacity", 1e-6);

  // Enter any new nodes at the parent's previous position.
  nodeEnter.append("svg:rect")
      .attr("y", -barHeight / 2)
      .attr("height", barHeight)
      .attr("width", barWidth)
      .style("fill", color)
      .on("click", click);

  nodeEnter.append("svg:text")
      .attr("dy", 3.5)
      .attr("dx", 5.5)
      .text(function(d) { return d.name; });

  // Transition nodes to their new position.
  nodeEnter.transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })
      .style("opacity", 1);

  node.transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })
      .style("opacity", 1)
    .select("rect")
      .style("fill", color);

  // Transition exiting nodes to the parent's new position.
  node.exit().transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
      .style("opacity", 1e-6)
      .remove();

  // Update the links…
  var link = vis.selectAll("path.link")
      .data(tree.links(nodes), function(d) { return d.target.id; });

  // Enter any new links at the parent's previous position.
  link.enter().insert("svg:path", "g")
      .attr("class", "link")
      .attr("d", function(d) {
        var o = {x: source.x0, y: source.y0};
        return diagonal({source: o, target: o});
      })
    .transition()
      .duration(duration)
      .attr("d", diagonal);

  // Transition links to their new position.
  link.transition()
      .duration(duration)
      .attr("d", diagonal);

  // Transition exiting nodes to the parent's new position.
  link.exit().transition()
      .duration(duration)
      .attr("d", function(d) {
        var o = {x: source.x, y: source.y};
        return diagonal({source: o, target: o});
      })
      .remove();

  // Stash the old positions for transition.
  nodes.forEach(function(d) {
    d.x0 = d.x;
    d.y0 = d.y;
  });
}

// Toggle children on click.
function click(d) {
  if (d.children) {
    d._children = d.children;
    d.children = null;
  } else {
    d.children = d._children;
    d._children = null;
  }
  update(d);
  setCat(d);
}

function setCat(d) {
  cat = document.querySelector('#cat');
  cat.value = d.name;

  parent = d.parent;
  while(!!parent){
    cat.value = parent.name + '_' + cat.value;
    parent = parent.parent;
  }
}

function color(d) {
  return d._children ? "#3182bd" : d.children ? "#c6dbef" : "#fd8d3c";
}


## thumbnail.png

      
    Raw
  

              thumbnail.png
	{
	"name": "flare",
	"children": [
	{
	"name": "analytics",
	"children": [
	{
	"name": "cluster",
	"children": [
	{"name": "AgglomerativeCluster", "size": 3938},
	{"name": "CommunityStructure", "size": 3812}
	]
	},
	{
	"name": "graph",
	"children": [
	{"name": "BetweennessCentrality", "size": 3534}
	]
	}
	]
	},
	{
	"name": "animate",
	"children": [
	{"name": "Easing", "size": 17010},
	{"name": "FunctionSequence", "size": 5842},
	{
	"name": "interpolate",
	"children": [
	{"name": "ArrayInterpolator", "size": 1983}
	]
	},
	{"name": "ISchedulable", "size": 1041},
	{"name": "TransitionEvent", "size": 1116}
	]
	}
	]
	}
	.node rect {
	cursor: pointer;
	fill: #fff;
	fill-opacity: .5;
	stroke: #3182bd;
	stroke-width: 1.5px;
	}

	.node text {
	font: 10px sans-serif;
	pointer-events: none;
	}

	path.link {
	fill: none;
	stroke: #9ecae1;
	stroke-width: 1.5px;
	}

	#cat {
	width: 99%;
	}
	<head>
	<script type="text/javascript" src="http://d3js.org/d3.v2.js"></script>
	<link rel="stylesheet" type="text/css" href='index.css'</link>
	</head>
	<body>
	<input type='text' id='cat'>
	<div id="chart"></div>
	<script src='index.js'></script>
	</body>
	var w = 960,
	h = 800,
	i = 0,
	barHeight = 20,
	barWidth = w * .8,
	duration = 400,
	root;

	var tree = d3.layout.tree()
	.size([h, 100]);

	var diagonal = d3.svg.diagonal()
	.projection(function(d) { return [d.y, d.x]; });

	var vis = d3.select("#chart").append("svg:svg")
	.attr("width", w)
	.attr("height", h)
	.append("svg:g")
	.attr("transform", "translate(20,30)");

	d3.json("flare.json", function(json) {
	json.x0 = 0;
	json.y0 = 0;
	update(root = json);
	});

	function update(source) {

	// Compute the flattened node list. TODO use d3.layout.hierarchy.
	var nodes = tree.nodes(root);

	// Compute the "layout".
	nodes.forEach(function(n, i) {
	n.x = i * barHeight;
	});

	// Update the nodes…
	var node = vis.selectAll("g.node")
	.data(nodes, function(d) { return d.id \|\| (d.id = ++i); });

	var nodeEnter = node.enter().append("svg:g")
	.attr("class", "node")
	.attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
	.style("opacity", 1e-6);

	// Enter any new nodes at the parent's previous position.
	nodeEnter.append("svg:rect")
	.attr("y", -barHeight / 2)
	.attr("height", barHeight)
	.attr("width", barWidth)
	.style("fill", color)
	.on("click", click);

	nodeEnter.append("svg:text")
	.attr("dy", 3.5)
	.attr("dx", 5.5)
	.text(function(d) { return d.name; });

	// Transition nodes to their new position.
	nodeEnter.transition()
	.duration(duration)
	.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })
	.style("opacity", 1);

	node.transition()
	.duration(duration)
	.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })
	.style("opacity", 1)
	.select("rect")
	.style("fill", color);

	// Transition exiting nodes to the parent's new position.
	node.exit().transition()
	.duration(duration)
	.attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
	.style("opacity", 1e-6)
	.remove();

	// Update the links…
	var link = vis.selectAll("path.link")
	.data(tree.links(nodes), function(d) { return d.target.id; });

	// Enter any new links at the parent's previous position.
	link.enter().insert("svg:path", "g")
	.attr("class", "link")
	.attr("d", function(d) {
	var o = {x: source.x0, y: source.y0};
	return diagonal({source: o, target: o});
	})
	.transition()
	.duration(duration)
	.attr("d", diagonal);

	// Transition links to their new position.
	link.transition()
	.duration(duration)
	.attr("d", diagonal);

	// Transition exiting nodes to the parent's new position.
	link.exit().transition()
	.duration(duration)
	.attr("d", function(d) {
	var o = {x: source.x, y: source.y};
	return diagonal({source: o, target: o});
	})
	.remove();

	// Stash the old positions for transition.
	nodes.forEach(function(d) {
	d.x0 = d.x;
	d.y0 = d.y;
	});
	}

	// Toggle children on click.
	function click(d) {
	if (d.children) {
	d._children = d.children;
	d.children = null;
	} else {
	d.children = d._children;
	d._children = null;
	}
	update(d);
	setCat(d);
	}

	function setCat(d) {
	cat = document.querySelector('#cat');
	cat.value = d.name;

	parent = d.parent;
	while(!!parent){
	cat.value = parent.name + '_' + cat.value;
	parent = parent.parent;
	}
	}

	function color(d) {
	return d._children ? "#3182bd" : d.children ? "#c6dbef" : "#fd8d3c";
	}