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Treemap for node text testing
license: mit

This is a test for attaching hyperlinks to nodes/node text for a collapsible tree.

Built with blockbuilder.org

<!DOCTYPE html>
<meta charset="utf-8">
<style>
#tree-container {
position: absolute;
left: 0px;
width: 100%;
}
.svgContainer {
display: block;
margin: auto;
}
.node, .clickable {
cursor: pointer;
}
.node-rect {
}
.node-rect-closed {
stroke-width: 2px;
stroke: rgb(0,0,0);
}
.link {
fill: none;
stroke: lightsteelblue;
stroke-width: 2px;
}
.linkselected {
fill: none;
stroke: tomato;
stroke-width: 2px;
}
.arrow {
fill: lightsteelblue;
stroke-width: 1px;
}
.arrowselected {
fill: tomato;
stroke-width: 2px;
}
.link text {
font: 7px sans-serif;
fill: #CC0000;
}
.wordwrap {
white-space: pre-wrap; /* CSS3 */
white-space: -moz-pre-wrap; /* Firefox */
white-space: -pre-wrap; /* Opera <7 */
white-space: -o-pre-wrap; /* Opera 7 */
word-wrap: break-word; /* IE */
}
.node-text {
font: 7px sans-serif;
color: white;
}
.tooltip-text-container {
height: 100%;
width: 100%;
}
.tooltip-text {
visibility: hidden;
font: 7px sans-serif;
color: white;
display: block;
padding: 5px;
}
.tooltip-box {
background: rgba(0, 0, 0, 0.7);
visibility: hidden;
position: absolute;
border-style: solid;
border-width: 1px;
border-color: black;
border-top-right-radius: 0.5em;
}
p {
display: inline;
}
.textcolored {
color: orange;
}
a.exchangeName {
color: orange;
}
</style>
<body>
<script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script>
var margin = {top: 20, right: 120, bottom: 20, left: 120},
width = 960 - 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 + ")");
d3.json("https://raw.githubusercontent.com/d3/d3-hierarchy/master/test/data/flare.json", function(error, flare) {
root = flare;
root.x0 = height / 2;
root.y0 = 0;
function collapse(d) {
if (d.children) {
d._children = d.children;
d._children.forEach(collapse);
d.children = null;
}
}
root.children.forEach(collapse);
update(root);
});
d3.select(self.frameElement).style("height", "800px");
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; });
// Update 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", 1e-6)
.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; })
.on("click", click)
;
nodeEnter.append("text")
.attr("x", function(d) { return d.children || d._children ? -10 : 10; })
.attr("dy", ".35em")
.attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
.text(function(d) { return d.name; })
.style("fill-opacity", 1e-6);
nodeEnter
.append("a")
.attr("xlink:href", function (d) { return "http://www.example.com/flare/" + d.id; })
.append("rect")
.attr("class", "clickable")
.attr("y", -6)
.attr("x", function (d) { return d.children || d._children ? -60 : 10; })
.attr("width", 50) //2*4.5)
.attr("height", 12)
.style("fill", "lightsteelblue")
.style("fill-opacity", .3) // set to 1e-6 to hide
;
// 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.children) {
d._children = d.children;
d.children = null;
} else {
d.children = d._children;
d._children = null;
}
update(d);
}
</script>
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