mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-26 14:28:15 -05:00
4d93f312f0
* d3.v3.js, graph.js: New files. * Makefile.am (EXTRA_DIST): List them. * guix/graph.scm (%d3js-backend): New variable. (emit-d3js-prologue, emit-d3js-epilogue, emit-d3js-node, emit-d3js-edge): New procedures. (%graph-backends): Add %d3js-backend.
129 lines
4.1 KiB
JavaScript
129 lines
4.1 KiB
JavaScript
// GNU Guix --- Functional package management for GNU
|
|
// Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
|
|
//
|
|
// This file is part of GNU Guix.
|
|
//
|
|
// GNU Guix is free software; you can redistribute it and/or modify it
|
|
// under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 3 of the License, or (at
|
|
// your option) any later version.
|
|
//
|
|
// GNU Guix is distributed in the hope that it will be useful, but
|
|
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
var outerRadius = Math.max(nodeArray.length * 15, 500) / 2,
|
|
innerRadius = outerRadius - Math.min(nodeArray.length * 5, 200),
|
|
width = outerRadius * 2,
|
|
height = outerRadius * 2,
|
|
colors = d3.scale.category20c(),
|
|
matrix = [];
|
|
|
|
function neighborsOf (node) {
|
|
return links.filter(function (e) {
|
|
return e.source === node;
|
|
}).map(function (e) {
|
|
return e.target;
|
|
});
|
|
}
|
|
|
|
function zoomed () {
|
|
zoomer.attr("transform",
|
|
"translate(" + d3.event.translate + ")" +
|
|
"scale(" + d3.event.scale + ")");
|
|
}
|
|
|
|
function fade (opacity, root) {
|
|
return function (g, i) {
|
|
root.selectAll("g path.chord")
|
|
.filter(function (d) {
|
|
return d.source.index != i && d.target.index != i;
|
|
})
|
|
.transition()
|
|
.style("opacity", opacity);
|
|
};
|
|
}
|
|
|
|
// Now that we have all nodes in an object we can replace each reference
|
|
// with the actual node object.
|
|
links.forEach(function (link) {
|
|
link.target = nodes[link.target];
|
|
link.source = nodes[link.source];
|
|
});
|
|
|
|
// Construct a square matrix for package dependencies
|
|
nodeArray.forEach(function (d, index, arr) {
|
|
var source = index,
|
|
row = matrix[source];
|
|
if (!row) {
|
|
row = matrix[source] = [];
|
|
for (var i = -1; ++i < arr.length;) row[i] = 0;
|
|
}
|
|
neighborsOf(d).forEach(function (d) { row[d.index]++; });
|
|
});
|
|
|
|
// chord layout
|
|
var chord = d3.layout.chord()
|
|
.padding(0.01)
|
|
.sortSubgroups(d3.descending)
|
|
.sortChords(d3.descending)
|
|
.matrix(matrix);
|
|
|
|
var arc = d3.svg.arc()
|
|
.innerRadius(innerRadius)
|
|
.outerRadius(innerRadius + 20);
|
|
|
|
var zoom = d3.behavior.zoom()
|
|
.scaleExtent([0.1, 10])
|
|
.on("zoom", zoomed);
|
|
|
|
var svg = d3.select("body").append("svg")
|
|
.attr("width", "100%")
|
|
.attr("height", "100%")
|
|
.attr('viewBox', '0 0 ' + Math.min(width, height) + ' ' + Math.min(width, height))
|
|
.attr('preserveAspectRatio', 'xMinYMin')
|
|
.call(zoom);
|
|
|
|
var zoomer = svg.append("g");
|
|
|
|
var container = zoomer.append("g")
|
|
.attr("transform", "translate(" + outerRadius + "," + outerRadius + ")");
|
|
|
|
// Group for arcs and labels
|
|
var g = container.selectAll(".group")
|
|
.data(chord.groups)
|
|
.enter().append("g")
|
|
.attr("class", "group")
|
|
.on("mouseout", fade(1, container))
|
|
.on("mouseover", fade(0.1, container));
|
|
|
|
// Draw one segment per package
|
|
g.append("path")
|
|
.style("fill", function (d) { return colors(d.index); })
|
|
.style("stroke", function (d) { return colors(d.index); })
|
|
.attr("d", arc);
|
|
|
|
// Add circular labels
|
|
g.append("text")
|
|
.each(function (d) { d.angle = (d.startAngle + d.endAngle) / 2; })
|
|
.attr("dy", ".35em")
|
|
.attr("transform", function (d) {
|
|
return "rotate(" + (d.angle * 180 / Math.PI - 90) + ")"
|
|
+ "translate(" + (innerRadius + 26) + ")"
|
|
+ (d.angle > Math.PI ? "rotate(180)" : "");
|
|
})
|
|
.style("text-anchor", function (d) { return d.angle > Math.PI ? "end" : null; })
|
|
.text(function (d) { return nodeArray[d.index].label; });
|
|
|
|
// Draw chords from source to target; color by source.
|
|
container.selectAll(".chord")
|
|
.data(chord.chords)
|
|
.enter().append("path")
|
|
.attr("class", "chord")
|
|
.style("stroke", function (d) { return d3.rgb(colors(d.source.index)).darker(); })
|
|
.style("fill", function (d) { return colors(d.source.index); })
|
|
.attr("d", d3.svg.chord().radius(innerRadius));
|