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Created July 12, 2015 20:26
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VLxJZQ
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index.html
<html lang="en">
<head>
<meta charset="utf-8">
<title></title>
<style>
.node circle {
fill: #152434;
cursor:pointer;
}
.node text { font: 12px sans-serif; color:#152434; }
.link {
fill: none;
stroke-linecap: round;
stroke:#DDD;
opacity:0.4;
}
.d3-tip {
line-height: 1;
font-weight: bold;
padding: 12px;
background: #fff;
color: #000;
border-radius: 2px;
border:2px solid #000;
font-family:sans-serif;
}
/* Creates a small triangle extender for the tooltip */
/*
.d3-tip:after {
box-sizing: border-box;
display: inline;
font-size: 12px;
width: 100%;
line-height: 1;
color: #000;
content: "\25BC";
position: absolute;
text-align: center;
}
*/
/* Style northward tooltips differently */
.d3-tip.n:after {
margin: -1px 0 0 0;
top: 100%;
left: 0;
}
</style>
</head>
<body>
<!-- load the d3.js library -->
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js"></script>
Raw
script.js
var margin = {
top: 20,
right: 120,
bottom: 20,
left: 120
},
width = 960 - margin.right - margin.left,
height = 500 - 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 tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function(d) {
return "<strong>Traffic:</strong> <span style='color:#FC6A56'>" + d.data + "%</span>";
});
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 + ")");
svg.call(tip);
root = {
"name": "Session",
"parent": "null",
"children": [{
"name": "Event 1",
"parent": "Session",
"children": [{
"name": "Event 2",
"parent": "Event 1",
data: 70
}, {
"name": "Event 3",
"parent": "Event 1",
data: 30
}],
data: 60
}, {
"name": "Event 2",
"parent": "Session",
data: 40
}],
data: 100
};
root.x0 = height / 2;
root.y0 = 0;
update(root);
d3.select(self.frameElement).style("height", "500px");
function update(source) {
// Compute the new tree layout.
var nodes = tree.nodes(root).reverse(),
links = tree.links(nodes);
// Normalize for fixed-depth.
nodes.forEach(function(d) {
d.y = d.depth * 180;
});
// Declare the nodes…
var node = svg.selectAll("g.node")
.data(nodes, function(d) {
return d.id || (d.id = ++i);
});
// 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 + ")";
});
nodeEnter.append("circle")
.attr("r", function(d, i) {
// make the first node have a fixed radius, 10
if (i == (nodes.length - 1)) {
return 10;
} else {
return nodes[i].data / 5;
}
})
.on("click", click)
.on("mouseover", tip.show)
.on("mouseout", tip.hide);
nodeEnter.append("text")
.attr("x", function(d) {
return d.children || d._children ? -20 : 20;
})
.attr("dy", ".35em")
.attr("text-anchor", function(d) {
return d.children || d._children ? "end" : "start";
})
.text(function(d) {
return d.name;
})
.style("fill-opacity", 1);
// 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", function(d, i) {
// make the first node have a fixed radius, 10
if (i == (nodes.length - 1)) {
return 10;
} else {
return nodes[i].data / 5;
}
})
.style("fill", function(d) {
return d._children ? "#FC6A56" : "#152434";
});
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);
// Declare the links…
var link = svg.selectAll("path.link")
.data(links, function(d) {
return d.target.id;
});
// Enter the links
link.enter().insert("path", "g")
.attr("class", "link")
.attr("style", function(d, i) {
return "" //opacity: 0." + (links[i].target.data);
})
.attr("stroke-width", function(d, i) {
return (links[i].target.data / 2) + "px";
})
.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) {
tip.hide();
if (d.children) {
d._children = d.children;
d.children = null;
} else {
d.children = d._children;
d._children = null;
}
update(d);
}
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