muratabur/.block

## .block
license: gpl-3.0

## readme.json
{
 "name": "SECURITY",
 "children": [
    {"name": "CUSTOMER", "size": 10000},
    {"name": "ISSUER", "size": 20000},
    {"name": "GUARANTOR", "size": 30000}
 ]
}

## README.md

      
    Raw
  

              README.md
            
          
    Click to expand or collapse nodes in the tree. Built with D3.

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<title>Force-Directed Graph</title>
<style>

.node {
  cursor: pointer;
  stroke: #3182bd;
  stroke-width: 1.5px;
}

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

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>

var width = 960,
    height = 500,
    root;

var force = d3.layout.force()
    .size([width, height])
    .on("tick", tick);

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

var link = svg.selectAll(".link"),
    node = svg.selectAll(".node");

d3.json("readme.json", function(error, json) {
  if (error) throw error;

  root = json;
  update();
});

function update() {
  var nodes = flatten(root),
      links = d3.layout.tree().links(nodes);

  // Restart the force layout.
  force
      .nodes(nodes)
      .links(links)
      .start();

  // Update the links…
  link = link.data(links, function(d) { return d.target.id; });

  // Exit any old links.
  link.exit().remove();

  // Enter any new links.
  link.enter().insert("line", ".node")
      .attr("class", "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; });

  // Update the nodes…
  node = node.data(nodes, function(d) { return d.id; }).style("fill", color);

  // Exit any old nodes.
  node.exit().remove();

  // Enter any new nodes.
  node.enter().append("circle")
      .attr("class", "node")
      .attr("cx", function(d) { return d.x; })
      .attr("cy", function(d) { return d.y; })
      .attr("r", function(d) { return Math.sqrt(d.size) / 10 || 4.5; })
      .style("fill", color)
      .on("click", click)
      .call(force.drag);

  node.append("text")
      .attr("dx", 12)
      .attr("dy", ".35em")
      .text(function(d) { return d.name });
}

function tick() {
  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("cx", function(d) { return d.x; })
      .attr("cy", function(d) { return d.y; });
}

// Color leaf nodes orange, and packages white or blue.
function color(d) {
  return d._children ? "#3182bd" : d.children ? "#c6dbef" : "#fd8d3c";
}

// Toggle children on click.
function click(d) {
  if (!d3.event.defaultPrevented) {
    if (d.children) {
      d._children = d.children;
      d.children = null;
    } else {
      d.children = d._children;
      d._children = null;
    }
    update();
  }
}

// Returns a list of all nodes under the root.
function flatten(root) {
  var nodes = [], i = 0;

  function recurse(node) {
    if (node.children) node.children.forEach(recurse);
    if (!node.id) node.id = ++i;
    nodes.push(node);
  }

  recurse(root);
  return nodes;
}

</script>

## thumbnail.png

      
    Raw
  

              thumbnail.png
	{
	"name": "SECURITY",
	"children": [
	{"name": "CUSTOMER", "size": 10000},
	{"name": "ISSUER", "size": 20000},
	{"name": "GUARANTOR", "size": 30000}
	]
	}
	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>Force-Directed Graph</title>
	<style>

	.node {
	cursor: pointer;
	stroke: #3182bd;
	stroke-width: 1.5px;
	}

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

	</style>
	<body>
	<script src="//d3js.org/d3.v3.min.js"></script>
	<script>

	var width = 960,
	height = 500,
	root;

	var force = d3.layout.force()
	.size([width, height])
	.on("tick", tick);

	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("height", height);

	var link = svg.selectAll(".link"),
	node = svg.selectAll(".node");

	d3.json("readme.json", function(error, json) {
	if (error) throw error;

	root = json;
	update();
	});

	function update() {
	var nodes = flatten(root),
	links = d3.layout.tree().links(nodes);

	// Restart the force layout.
	force
	.nodes(nodes)
	.links(links)
	.start();

	// Update the links…
	link = link.data(links, function(d) { return d.target.id; });

	// Exit any old links.
	link.exit().remove();

	// Enter any new links.
	link.enter().insert("line", ".node")
	.attr("class", "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; });

	// Update the nodes…
	node = node.data(nodes, function(d) { return d.id; }).style("fill", color);

	// Exit any old nodes.
	node.exit().remove();

	// Enter any new nodes.
	node.enter().append("circle")
	.attr("class", "node")
	.attr("cx", function(d) { return d.x; })
	.attr("cy", function(d) { return d.y; })
	.attr("r", function(d) { return Math.sqrt(d.size) / 10 \|\| 4.5; })
	.style("fill", color)
	.on("click", click)
	.call(force.drag);

	node.append("text")
	.attr("dx", 12)
	.attr("dy", ".35em")
	.text(function(d) { return d.name });
	}

	function tick() {
	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("cx", function(d) { return d.x; })
	.attr("cy", function(d) { return d.y; });
	}

	// Color leaf nodes orange, and packages white or blue.
	function color(d) {
	return d._children ? "#3182bd" : d.children ? "#c6dbef" : "#fd8d3c";
	}

	// Toggle children on click.
	function click(d) {
	if (!d3.event.defaultPrevented) {
	if (d.children) {
	d._children = d.children;
	d.children = null;
	} else {
	d.children = d._children;
	d._children = null;
	}
	update();
	}
	}

	// Returns a list of all nodes under the root.
	function flatten(root) {
	var nodes = [], i = 0;

	function recurse(node) {
	if (node.children) node.children.forEach(recurse);
	if (!node.id) node.id = ++i;
	nodes.push(node);
	}

	recurse(root);
	return nodes;
	}

	</script>