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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<title>Doge Exchange</title>
<!-- Bootstrap core CSS -->
<link href="lib/bootstrap/dist/css/bootstrap.css" rel="stylesheet">
<!-- Custom styles for this template -->
<link href="css/jumbotron.css" rel="stylesheet">
<link href="css/main.css" rel="stylesheet">
<!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
<![endif]-->
<style>
.node {
cursor: pointer;
}
.node circle {
fill: #fff;
stroke: steelblue;
stroke-width: 1.5px;
}
.node text {
font: 10px sans-serif;
}
.link {
fill: none;
stroke: #ccc;
stroke-width: 1.5px;
}
</style>
</head>
<body>
<script src="http://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script>
// predicates
var CHILD_PRED = "http://purl.org/gem/qualifiers/hasChild";
var DESCR_PRED = "http://purl.org/dc/terms/description";
var ROOT_NAME = "http://asn.jesandco.org/resources/D10003FB";
var margin = {top: 20, right: 120, bottom: 20, left: 120},
width = 1200 - margin.right - margin.left,
height = 800 - margin.top - margin.bottom;
var i = 0,
duration = 750,
root;
var tree = d3.layout.tree()
.size([height, width]);
var diagonal = d3.svg.diagonal()
.projection(function(d) { return [d.y, d.x]; });
var svg = d3.select("body").append("svg")
.attr("width", width + margin.right + margin.left)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
function children(d) {
var children = [];
if (d[CHILD_PRED])
d[CHILD_PRED].forEach(function (d){children.push(root[d.value]);});
return children;
}
function _children(d) {
var children = [];
if (d["_" + CHILD_PRED])
d["_" + CHILD_PRED].forEach(function (d){children.push(root[d.value]);});
return children;
}
d3.json("/data/s1.json", function(error, flare) {
if (error) throw error;
root = flare;
root.x0 = height / 2;
root.y0 = 0;
function collapse(d) {
if (d[CHILD_PRED]) {
d["_" + CHILD_PRED] = d[CHILD_PRED];
_children(d).forEach(collapse);
d[CHILD_PRED] = null;
}
}
children(root[ROOT_NAME]).forEach(collapse);
update(root);
});
//d3.select(self.frameElement).style("height", "800px");
function update(source) {
// needed so the layout can access children
tree.children(children);
// Compute the new tree layout.
var nodes = tree.nodes(root[ROOT_NAME]).reverse(),
links = tree.links(nodes);
// Normalize for fixed-depth.
nodes.forEach(function(d) { d.y = d.depth * 180; });
// Update the nodes…
var node = svg.selectAll("g.node")
.data(nodes, genId);
// Enter any new nodes at the parent's previous position.
var nodeEnter = node.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
.on("click", click)
nodeEnter.append("circle")
.attr("r", 1e-6)
.style("fill", function(d) { return d["_" + CHILD_PRED] ? "lightsteelblue" : "#fff"; });
nodeEnter.append("text")
.attr("x", function(d) { return d[CHILD_PRED] || d["_" + CHILD_PRED] ? -10 : 10; })
.attr("dy", ".35em")
.attr("text-anchor", function(d) { return d[CHILD_PRED] || d["_" + CHILD_PRED] ? "end" : "start"; })
.text(function(d) {
var text = d[DESCR_PRED];
return text ? text[0].value.substr(0, 5) : "none!";
})
.style("fill-opacity", 1e-6);
// Transition nodes to their new position.
var nodeUpdate = node.transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
nodeUpdate.select("circle")
.attr("r", 4.5)
.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });
nodeUpdate.select("text")
.style("fill-opacity", 1);
// Transition exiting nodes to the parent's new position.
var nodeExit = node.exit().transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
.remove();
nodeExit.select("circle")
.attr("r", 1e-6);
nodeExit.select("text")
.style("fill-opacity", 1e-6);
// Update the links…
var link = svg.selectAll("path.link")
.data(links, function(d) { return d.target.id; });
// Enter any new links at the parent's previous position.
link.enter().insert("path", "g")
.attr("class", "link")
.attr("d", function(d) {
var o = {x: source.x0, y: source.y0};
return diagonal({source: o, target: o});
});
// 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[CHILD_PRED]) {
d["_" + CHILD_PRED] = d[CHILD_PRED];
d[CHILD_PRED] = null;
} else {
d[CHILD_PRED] = d["_" + CHILD_PRED];
d["_" + CHILD_PRED] = null;
}
update(d);
}
</script>
<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
<script src="../../dist/js/bootstrap.min.js"></script>
</body>
</html>