--- /dev/null
+<!DOCTYPE html>
+<!-- from http://bl.ocks.org/1153292 -->
+<html>
+ <head>
+ <meta http-equiv="Content-type" content="text/html; charset=utf-8">
+ <title>Object graph example</title>
+ <script src="http://d3js.org/d3.v3.min.js"></script>
+ <style type="text/css">
+
+path.link {
+ fill: none;
+ stroke: #666;
+ stroke-width: 1.5px;
+}
+
+marker#can_read {
+ fill: green;
+}
+
+path.link.can_read {
+ stroke: green;
+ stroke-dasharray: 0,4 1;
+}
+
+path.link.can_write {
+ stroke: green;
+}
+
+path.link.member_of {
+ stroke: blue;
+ stroke-dasharray: 0,4 1;
+}
+
+path.link.created {
+ stroke: red;
+}
+
+circle {
+ fill: #ccc;
+ stroke: #333;
+ stroke-width: 1.5px;
+}
+
+edgetext {
+ font: 12px sans-serif;
+ pointer-events: none;
+ text-align: center;
+}
+
+text {
+ font: 12px sans-serif;
+ pointer-events: none;
+}
+
+text.shadow {
+ stroke: #fff;
+ stroke-width: 3px;
+ stroke-opacity: .8;
+}
+
+ </style>
+ </head>
+ <body>
+ <script type="text/javascript">
+
+var links = [
+ {source: "user: customer", target: "project: customer_project", type: "can_read"},
+ {source: "user: import robot", target: "project: customer_project", type: "can_read"},
+ {source: "user: pipeline robot", target: "project: customer_project", type: "can_read"},
+ {source: "user: uploader", target: "collection: w3anr2hk2wgfpuo", type: "created"},
+ {source: "user: uploader", target: "project: customer_project", type: "created"},
+ {source: "collection: w3anr2hk2wgfpuo", target: "project: customer_project", type: "member_of"}
+];
+
+var nodes = {};
+
+// Compute the distinct nodes from the links.
+links.forEach(function(link) {
+ link.source = nodes[link.source] || (nodes[link.source] = {name: link.source});
+ link.target = nodes[link.target] || (nodes[link.target] = {name: link.target});
+});
+
+var w = 960,
+ h = 500;
+
+var force = d3.layout.force()
+ .nodes(d3.values(nodes))
+ .links(links)
+ .size([w, h])
+ .linkDistance(250)
+ .charge(-300)
+ .on("tick", tick)
+ .start();
+
+var svg = d3.select("body").append("svg:svg")
+ .attr("width", w)
+ .attr("height", h);
+
+// Per-type markers, as they don't inherit styles.
+svg.append("svg:defs").selectAll("marker")
+ .data(["created", "member_of", "can_read", "can_write"])
+ .enter().append("svg:marker")
+ .attr("id", String)
+ .attr("viewBox", "0 -5 10 10")
+ .attr("refX", 15)
+ .attr("refY", -1.5)
+ .attr("markerWidth", 6)
+ .attr("markerHeight", 6)
+ .attr("orient", "auto")
+ .append("svg:path")
+ .attr("d", "M0,-5L10,0L0,5");
+
+var path = svg.append("svg:g").selectAll("path")
+ .data(force.links())
+ .enter().append("svg:path")
+ .attr("class", function(d) { return "link " + d.type; })
+ .attr("marker-end", function(d) { return "url(#" + d.type + ")"; });
+
+var circle = svg.append("svg:g").selectAll("circle")
+ .data(force.nodes())
+ .enter().append("svg:circle")
+ .attr("r", 6)
+ .call(force.drag);
+
+var text = svg.append("svg:g").selectAll("g")
+ .data(force.nodes())
+ .enter().append("svg:g");
+
+// A copy of the text with a thick white stroke for legibility.
+text.append("svg:text")
+ .attr("x", 8)
+ .attr("y", ".31em")
+ .attr("class", "shadow")
+ .text(function(d) { return d.name; });
+
+text.append("svg:text")
+ .attr("x", 8)
+ .attr("y", ".31em")
+ .text(function(d) { return d.name; });
+
+var edgetext = svg.append("svg:g").selectAll("g")
+ .data(force.links())
+ .enter().append("svg:g");
+
+edgetext
+ .append("svg:text")
+ .attr("x",0)
+ .attr("y","-0.2em")
+ .text(function(d) { return d.type; });
+
+// Use elliptical arc path segments to doubly-encode directionality.
+function tick() {
+ path.attr("d", function(d) {
+ var dx = d.target.x - d.source.x,
+ dy = d.target.y - d.source.y,
+ // dr = Math.sqrt(dx * dx + dy * dy);
+ dr = 0;
+ return "M" + d.source.x + "," + d.source.y + "A" + dr + "," + dr + " 0 0,1 " + d.target.x + "," + d.target.y;
+ });
+
+ circle.attr("transform", function(d) {
+ return "translate(" + d.x + "," + d.y + ")";
+ });
+
+ text.attr("transform", function(d) {
+ return "translate(" + d.x + "," + d.y + ")";
+ });
+
+ edgetext.attr("transform", function(d) {
+ return "translate(" +
+ (d.source.x + d.target.x)/2 + "," +
+ (d.source.y + d.target.y)/2 +
+ ")rotate(" +
+ (Math.atan2(d.target.y - d.source.y, d.target.x - d.source.x) * 180 / Math.PI) +
+ ")";
+ });
+}
+
+ </script>
+ </body>
+</html>
projects / arvados.git / commitdiff