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justlebeau/index.html

Last active December 14, 2020 16:04
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Tree with Link Labels Zoomable
Raw
readme.md

Tree with Text on Links viz.

Raw
index.html
<!DOCTYPE html>
<meta charset="UTF-8">
<style>
.node {
cursor: pointer;
}
.node circle {
fill: #fff;
stroke: steelblue;
stroke-width: 1.5px;
}
.node text {
font: 10px sans-serif;
}
path.link {
fill: none;
stroke: #ccc;
stroke-width: 1.5px;
}
.link text {
font: 8px sans-serif;
display: inline-block;
width: 30px;
border: 5px solid black;
padding: 1px;
fill: #000000;
}
div.tooltip {
position: absolute;
text-align: center;
width: 100px;
height: 28px;
padding: 2px;
font: 12px sans-serif;
color: #fff;
background: black;
opacity: 75%;
border: 0px;
border-radius: 8px;
pointer-events: none;
}
div.percentage {
position: absolute;
text-align: center;
width: 100px;
height: 28px;
padding: 2px;
font: 12px sans-serif;
color: #fff;
background: black;
opacity: 75%;
border: 0px;
border-radius: 8px;
}
</style>
<body>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
var flare= {
"name": "Parent",
"children": [
{
"name": "company1",
"tooltip": "text1",
"percentage": "100%",
"children": [
{
"name": "company4",
"tooltip": "text3",
"percentage": "60%"
},
{
"name": "company3",
"tooltip": "text5",
"percentage": "75%"
}
]
},
{
"name": "company2",
"tooltip": "text2",
"percentage": "50%",
"children": [
{
"name": "company4",
"tooltip": "text3",
"percentage": "60%"
},
{
"name": "company3",
"tooltip": "text5",
"percentage": "75%"
}
]
}
]
}
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", "100%")
.attr("height", "100%")
.call(d3.behavior.zoom().on("zoom",function(){
svg.attr("transform", "translate(" + d3.event.translate + ")" + " scale(" + d3.event.scale + ")")
}))
.append("g")
;
var div = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", 0);
//d3.json("http://bl.ocks.org/mbostock/raw/4063550/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 * 700;
});
// 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 + ")";
})
.on("click", click);
nodeEnter.append("circle")
.attr("r", 1e-6)
.on("mouseover", function(d) {
div.transition()
.duration(200)
.style("opacity", .9);
div.html(d.tooltip)
.style("left", (d3.event.pageX) + "px")
.style("top", (d3.event.pageY - 28) + "px");
})
.on("mouseout", function(d) {
div.transition()
.duration(500)
.style("opacity", 0);
})
.style("fill", function (d) {
return d._children ? "lightsteelblue" : "#fff";
});
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);
// 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", 6)
.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-4);
nodeExit.select("text")
.style("fill-opacity", 1e-4);
// 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();
// Update the link text
var linktext = svg.selectAll("g.link")
.data(links, function (d) {
return d.target.name;
});
linktext.enter()
.insert("g")
.attr("class", "link")
.append("text")
.attr("dy", ".35em")
.attr("stroke", "black")
.attr("stroke-width", .25)
.attr("text-anchor", "middle")
.text(function (d) {
//console.log(d.target.name);
return (d.target.percentage);
});
// Transition link text to their new positions
linktext.transition()
.duration(duration)
.attr("transform", function (d) {
return "translate(" + ((d.source.y + d.target.y) / 2) + "," + ((d.source.x + d.target.x) / 2) + ")";
})
//Transition exiting link text to the parent's new position.
linktext.exit().transition()
.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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