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graph.html
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<!-- Copyright © 2022-2023-2024 by Luca Cappa lcappa at gmail dot com -- http://creativecommons.org/licenses/by-sa/4.0/" This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License -->
<!DOCTYPE html>
<meta charset="utf-8">
<head>
<style>
img,
a {
vertical-align: bottom;
}
div,
span {
margin: auto 10pt auto;
}
span {
font-family: monospace;
font-size: 10pt;
}
circle {
fill: cadetblue;
}
line {
stroke: #ccc;
}
.links line {
stroke: #999;
stroke-opacity: 0.6;
}
.nodes circle {
stroke: #fff;
stroke-width: 1.5px;
}
text {
font-family: helvetica;
font-size: 14px;
stroke-width: 0;
}
svg {
display: block;
margin: auto;
}
a.disabled {
pointer-events: none;
cursor: default;
}
.no_link,
g.no_link>text {
pointer-events: none;
}
a:hover text {
fill: red;
}
</style>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
</head>
<!-- Load d3.js -->
<script src="https://d3js.org/d3.v7.js"></script>
<body>
<!-- Create a div where the graph will take place -->
<div id="content"></div>
<script>
var width = 1800, height = 1080;
const descriptionSize = { x: 500, y: 100 };
var svg = d3.select("#content")
.append("svg")
.attr("preserveAspectRatio", "xMinYMin meet")
.attr("width", "100%")
.attr(`viewBox`, [0, 0, width, height]);
svg.append("g")
.classed("background", true);
svg.append("g")
.classed("links", true);
svg.append("g")
.classed("repos", true);
svg.append("g")
.classed("actions", true);
svg.append("g")
.classed("versions", true);
svg.append("g")
.classed("raisedLinks", true);
svg.append("g")
.classed("description", true);
const highlightRepoColor = 'orange';
const downlightRepoColor = 'grey';
document.styleSheets[0].insertRule('circle.active {stroke-width: 3px !important}');
document.styleSheets[0].insertRule('circle.disactive {fill:' + downlightRepoColor + ' !important}');
document.styleSheets[0].insertRule('text.disactive { display: none !important}');
document.styleSheets[0].insertRule('.versionHovering { stroke-width:3 !important }');
document.styleSheets[0].insertRule('text.versionName { }');
let triangleAngles = [0, 0, 0];
const centerX = width / 2.;
const centerY = (height / 2.) * 0.7;
const ACTION_RADIUS = 70;
actionPositions = [
{ x: width / 5. * 1, y: height / 8. }, // left
{ x: width / 2., y: height / 10. * 8 }, // bottom
{ x: width / 5. * 4, y: height / 8. }]; // right
var actions = [{
name: "get-cmake",
url: "https://github.com/lukka/get-cmake",
color: "mistyrose"
}, {
name: "run-cmake",
url: "https://github.com/lukka/run-cmake",
color: "lavender"
}, {
name: "run-vcpkg",
url: "https://github.com/lukka/run-vcpkg",
color: "aquamarine"
}];
actions.forEach((action, index) => {
action.radius = ACTION_RADIUS;
action.id = index;
action.fx = actionPositions[index].x;
action.fy = actionPositions[index].y;
});
var trianglePositions = JSON.parse(JSON.stringify(actionPositions));
const actionsCount = actions.length;
const MINIMUM_RADIUS = 21;
var links = [];
var repos = [];
var actionsDict = actions.reduce((dict, action) => ({ ...dict, [action.name]: 0 }), {});
var versionsDict = {};
var versions = [];
var getNodeColor = d3.scaleOrdinal(d3.schemeSet3).domain(repos);
var versionsCount = 0;
const dataFileName = "action-usage-db.json";
var simulation;
var offset;
const allNodes = [];
var trianglePolygon;
var showDescription = true;
var dGL = null, dGR = null, dGButton = null;
createGraph();
createTriangle();
animateTriangle();
createDescription();
updateDescription();
function createGraph() {
svg.select(".actions")
.selectAll("actions")
.data(actions)
.join(enter => {
const g = enter.append('g');
g.insert('circle')
.attr("fx", d => 50)
.attr("fy", d => 50)
.attr("r", d => d.radius)
.style("fill", "black")
.attr("stroke", d => d.color)
.attr("stroke-width", 15)
.classed("action", true);
g.append('circle')
.attr("fx", d => 50)
.attr("fy", d => 50)
.attr("cx", (d, i) => setPos(d, i).x)
.attr("cy", (d, i) => setPos(d, i).y)
.attr("r", d => d.radius + 5)
.style("fill", "none")
.attr("stroke", d => "grey")
.attr("stroke-width", 1);
const a = g.append("svg:a")
.attr("xlink:href", d => d.url)
.attr("target", "_blank");
const g2 = a.append("g");
g2.append('text')
.attr("fx", d => d.x)
.attr("fy", d => d.y)
.attr("text-anchor", "middle")
.attr("fill", "white")
.attr("stroke", "none")
.attr("alignment-baseline", "middle")
.style("font-family", "helvetica")
.style("font-size", "16pt")
.text(d => d.name)
.classed("actionName", true);
const searchA = g.append("svg:a")
.attr("xlink:href", d =>
`https://github.com/search?q=%22lukka%2F${d.name}%22+%28path%3A*.yml+OR+path%3A*.yaml%29`)
.attr("target", "_blank");
searchA.append('text')
.attr("fx", d => d.x)
.attr("fy", d => d.y)
.attr("text-anchor", "middle")
.attr("fill", "white")
.attr("stroke", "none")
.attr("alignment-baseline", "middle")
.style("font-family", "helvetica")
.style("font-size", "16pt")
.text("0")
.classed("actionUsage", true);
return g;
});
updateActionNodes();
}
function updateActionNodes() {
svg.select(".actions")
.selectAll("circle.action")
.data(actions)
.join("circle")
.attr("cx", (d, i) => setPos(d, i).x)
.attr("cy", (d, i) => setPos(d, i).y);
svg.select(".actions")
.selectAll("text.actionName")
.data(actions)
.join("text")
.attr("x", (d, i) => setPos(d, i).x)
.attr("y", (d, i) => setPos(d, i).y)
.style("text-anchor", "middle");
svg.select(".actions")
.selectAll('text.actionUsage')
.attr("x", (d, i) => setPos(d, i).x)
.attr("y", (d, i) => setPos(d, i).y)
.attr("dy", "1.5em")
.text(d => actionsDict[d.name]);
}
function loadGraph() {
getData().then(function (l) {
Object.keys(l).forEach(item => {
Object.getOwnPropertyNames(l[item]).forEach(repo => {
try {
// Grab usages (i.e. the object with actionName property.).
var usages = l[item][repo].filter(obj =>
'actionName' in obj);
// Last element in the array is the 'repository' object.
var repoData = l[item][repo][l[item][repo].length - 1];
const name = `${item}/${repo}`;
const radius = Math.sqrt(repoData.stars) / 1.8;
const repoObj = {
name,
orgName: item,
repoName: repo,
stars: repoData.stars,
usages,
radius: radius < MINIMUM_RADIUS ? MINIMUM_RADIUS : radius,
gravityCenter: { x: centerX, y: centerY },
url_top: repoData.repo_orig.owner.html_url,
url_bottom: repoData.repo_orig.html_url,
url_search: `https://github.com/search?type=code&q=repo%3A${item}%2F${repo}`,
selected: undefined, /* 'undefined' means to use the intrinsic diameter size for the circle */
};
const length = repos.push(repoObj);
const index = length - 1;
repoObj.id = index;
repoObj.displayOrgName = centerText(repoObj.orgName.slice(0, 11), 10);
repoObj.displayRepoName = centerText(repoObj.repoName.slice(0, 11), 10);
usages.forEach(use => {
// Track action usage.
actionsDict[use.actionName] += 1;
const uniqueName = `${use.actionName}@${use.version}`;
if (!versionsDict[uniqueName])
versionsDict[uniqueName] = [];
const actionIndex = getActionIndex(use.actionName);
versionsDict[uniqueName].push({
id: uniqueName,
version: use.version,
// action, [0..2]
targetAction: actionIndex,
// project: index in 'repos' array.
targetProject: index
});
});
}
catch (err) {
console.warn(err);
}
});
});
Object.keys(versionsDict).forEach(keyName => {
const actionName = keyName.slice(0, keyName.indexOf('@'));
const v = {
id: keyName,
name: keyName.slice(keyName.indexOf('@') + 1),
displayName: '',
radius: MINIMUM_RADIUS,
index: -1,
color: actions[getActionIndex(actionName)].color,
occurrences: 0
};
const newLen = versions.push(v);
v.index = newLen - 1;
const action = getAction(actionName);
v.gravityCenter = { x: action.fx, y: action.fy };
v.displayName = shortenVersion(v.name);
});
versionsCount = versions.length;
// //?? console.log('versions:');
// //?? console.log(versions);
// For each repo instance, set the index of itself in the big allNodes array.
repos.forEach((repo, index) => repo.id = index + actionsCount + versionsCount);
offset = actionsCount + versionsCount;
for (const [key, values] of Object.entries(versionsDict)) {
values.forEach(item => {
const versionIndex = getVersionIndex(item.id);
const version = getVersion(item.id);
const firstMet = (++version.occurrences) === 1;
const allNodesVersionIndex = versionIndex + actionsCount;
if (firstMet === true) {
const link = {
target: item.targetAction,
source: allNodesVersionIndex,
distance: 0,
strength: .1
};
// Target is the action, indices are for allNodes array.
const len = links.push(link);
const index = len - 1;
link.id = `id${index}`;
// //?? console.log(`${item.targetAction}, ${allNodesIndex}`);
}
// Target is the repository, indices are for allNodes array.
const link = {
target: item.targetProject + offset,
source: allNodesVersionIndex,
distance: 0,
strength: .01
};
const len = links.push(link);
const index = len - 1;
link.id = `id${index}`;
});
};
versions.forEach(version => version.radius = version.radius + 3 * Math.sqrt(version.occurrences));
console.log(links);//??
// Aggregate actions, versions and nodes altogether.
actions.forEach(a => allNodes.push(a));
versions.forEach(v => allNodes.push(v));
repos.forEach(r => allNodes.push(r));
simulation = d3.forceSimulation(allNodes)
//.force('charge', d3.forceManyBody().strength(1).distanceMin(0.01).distanceMax(1))
.force('center', d3.forceCenter(centerX, centerY))
.force('link', d3.forceLink().links(links).strength(
(d) => (d.target < 3 ? 1 : .0001)
))
.force('collision', d3.forceCollide().iterations(30).radius(d =>
getRadius(d)))
.force('x', d3.forceX((d, i) => {
const g = d?.gravityCenter;
return g ? g.x : 10000000;
}))
.force('y', d3.forceY((d, i) => {
const g = d?.gravityCenter;
return g ? g.y : 10000000;
}))
.on('tick', ticked);
let lastClickedVersion = undefined;
svg.select(".versions")
.selectAll("versions")
.data(versions)
.join(enter => {
const g = enter.append("g");
const versionNodes = g.append('circle')
.attr("cx", d => d.x)
.attr("cy", d => d.y)
.attr("r", d => d.radius)
.attr("id", (d, i) => `id${i + actionsCount}`)
.style("fill", d => d.color)
.attr("stroke", "black");
versionNodes.on("click", function (event, obj) {
if (lastClickedVersion)
disableSelection(lastClickedVersion);
if (!lastClickedVersion ||
(lastClickedVersion && lastClickedVersion.attr('id') !== d3.select(this).attr('id'))) {
enableSelection(d3.select(this));
lastClickedVersion = d3.select(this);
} else {
lastClickedVersion = undefined;
}
});
const searchA = g.append("svg:a")
.attr("xlink:href", d => `https://github.com/search?q=%22lukka%2F${encodeURIComponent(d.id)}%22+%28path%3A*.yml+OR+path%3A*.yaml%29`)
.attr("target", "_blank");
searchA.append('text')
.attr("x", d => d.x)
.attr("y", d => d.y)
// Hack: move a breeze down the text to align to the outer circle.
.attr("dy", "0.6em")
.attr("text-anchor", "middle")
.attr("alignment-baseline", "middle")
.text(d => centerText(`${d.occurrences}`, 8))
.classed("versionCount", true);
g.append('text')
.attr("x", d => d.x)
.attr("y", d => d.y)
// Hack: move a breeze down the text to align to the outer circle.
.attr("dy", "-0.3em")
.attr("text-anchor", "middle")
.attr("alignment-baseline", "middle")
.text(d => centerText(d.displayName, 8))
.classed("versionName", true)
.classed("no_link", true);
});
});
}
function createDescription() {
svg.select('.description')
.attr("text-anchor", "middle");
const xyL = getPointOnCircle(width, height);
dGL = svg.select('.description').append("g");
const xyR = getPointOnCircle(width, height);
dGR = svg.select('.description').append("g");
const xyB = getPointOnCircle(width, height);
dGButton = svg.select('.description').append("g");
dGL.attr("transform", `translate(${xyL.x}, ${xyL.y})`)
.attr("text-anchor", "start")
.style("outline", "solid 1px grey")
.style("outline-offset", "3px");
dGR.attr("transform", `translate(${xyR.x}, ${xyR.y})`)
.attr("text-anchor", "start")
.style("outline", "solid 1px grey")
.style("outline-offset", "3px");;
dGButton.attr("transform", `translate(${xyB.x}, ${xyB.y})`);
dGL.transition()
.duration(1000)
.attr("transform", (d) => {
return `translate(${width / 2. - descriptionSize.x},
${/*height / 4. -*/ descriptionSize.y + 100}) scale(2, 2) `;
});
dGR.transition()
.duration(1000)
.attr("transform", (d) => {
return `translate(${width / 2. - descriptionSize.x},
${/*height / 4. -*/ descriptionSize.y + 120}) scale(2, 2) `;
});
dGButton.transition()
.duration(1000)
.attr("transform", (d) => {
return `translate(${width / 2. - descriptionSize.x},
${/*height / 4. -*/ descriptionSize.y + 110}) scale(2, 2) `;
});
let yOff = 0;
let ySpacing = 16;
dGL.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("This graph shows the occurrences in public repositories of these GitHub Actions:");
for (const [key, values] of Object.entries(actionsDict)) {
dGL.append("svg:a")
.attr("xlink:href", `https://github.com/lukka/${key}`)
.attr("target", "_blank")
.insert("text")
.attr("text-anchor", "middle")
.attr("font-weight", 700)
.text(`${key} [link 🔗]`)
.attr("x", descriptionSize.x / 2.)
.attr("y", yOff += ySpacing)
};
dGL.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("Each action is represented by a node located at a vertex of the triangle.")
dGL.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("Nodes for versions and repositories are loaded upon start.");
dGL.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("Edges between nodes from version to repo express <<uses>> relationship.");
dGL.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("Only public GitHub repositories with more than 25☆ are accounted.");
dGR.append("text")
.attr("x", descriptionSize.x / 2.)
.attr("y", yOff += ySpacing)
.text("Gestures:");
dGR.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("- Click/Tap on the occurrence numbers to list them on the GitHub search page.");
dGR.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("- Click/Tap on the repository to list actions the GitHub search page.");
dGR.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("- Click/Tap on the version's node to highlight the repositories using that version.");
dGR.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("- Hover on a repository to highlight what action(s) it uses.");
dGR.append("text")
.attr("x", 0)
.attr("y", yOff += ySpacing)
.text("- Repo nodes can be rearranged by dragging them.");
const sillyButtonSize = { x: 300, y: ySpacing * 3 };
const sillyButton =
dGButton.append("rect")
.attr("x", descriptionSize.x / 2. - sillyButtonSize.x / 2.)
.attr("y", yOff += ySpacing)
.attr("width", sillyButtonSize.x)
.attr("height", sillyButtonSize.y)
.style("stroke", "#112233")
.style("fill", "#DDD")
.style("stroke-width", 2)
.attr("fill", "grey")
.style("opacity", showDescription ? 1 : 0);
sillyButton.on("click",
(ev, obj) => {
showDescription = false;
loadGraph();
});
const g = dGButton.append("g")
.classed("no_link", true);
g.append("text")
.attr("x", descriptionSize.x / 2.)
.attr("y", yOff += ySpacing * 2)
.text("Click here to Start")
.attr("opacity", showDescription ? 1 : 0)
.style("font-size", "24pt");
};
let descriptionDismissed = false;
function updateDescription() {
dGButton.style("opacity", showDescription ? 1 : 0);
if (!showDescription && !descriptionDismissed) {
descriptionDismissed = true;
// Put the button off screen.
dGButton.attr("transform", "translate(4000, 0)");
//
dGL.transition()
.duration(1000)
.attr("transform", d =>
`translate(${width * 0.05}, ${height / 1.2}) scale(1.2, 1.2)`);
dGR.transition()
.duration(1000)
.attr("transform", d =>
`translate(${width * 0.65}, ${height / 1.4}) scale(1.2, 1.2)`);
const destPos = getPointOnCircle(width / 3, height / 3);
svg.select("polygon")
.transition()
.duration(3000)
.ease(d3.easeLinear)
.attr("transform", `translate(${destPos.x},${destPos.y})scale(.05)rotate(150)`)
.transition()
.duration(2000)
.ease(d3.easeLinear)
.attr("transform", `translate(${destPos.x},${destPos.y})scale(0)rotate(140)`);
}
}
let updatedLinks;
function removeForegroundLinks() {
updatedLinks
.attr('stroke', 'black')
.attr('stroke-width', '1');
// Remove foreground edges.
d3.select(".raisedLinks")
.selectAll("line")
.remove();
repoCircles.classed("disactive", false);
}
let repoCircles;
function updateNodes() {
updatedLinks =
svg.select('.links')
.selectAll("line")
.data(links)
.join('line')
.attr("style", "stroke:black")
.attr("x1", (o, idx) => o.source.x)
.attr("y1", (o, idx) => o.source.y)
.attr("x2", (o, idx) => o.target.x)
.attr("y2", (o, idx) => o.target.y)
.attr("id", (o, idx) => o.id);
svg.select(".repos")
.selectAll(".repo")
.data(repos)
.join(
enter => {
const g = enter.append("g")
const a = g.append("svg:a")
.attr("xlink:href", d => `${d.url_search}+AND+(${actions.map(a => a.name).join("+OR+")})`)
.attr("target", "_blank");
repoCircles = a.insert("circle")
.style("fill", d => getNodeColor(d))
.attr("stroke", "black")
.attr("r", obj => getRadius(obj))
.attr("id", (d, i) => `id${i + versionsCount + actionsCount}`)
.call(d3.drag().on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
a.classed("repo", true)
.append("text")
.attr("stroke", "black")
.attr("x", d => d.x)
.attr("y", d => d.y)
.attr("dy", "-0.7em")
.text(d => d.displayOrgName)
.attr("alignment-baseline", "middle")
.style("text-anchor", "middle")
.style("font-weight", "lighter")
.style("font-size", "1px")
.each(getTextSize)
.style("font-size", d => `${d.scale}px`)
.classed("no_link", true);
;
a.append("text")
.attr("stroke", "black")
.attr("x", d => d.x)
.attr("y", d => d.y)
.attr("dy", "0.5em")
.text(d => d.displayRepoName)
.attr("alignment-baseline", "middle")
.style("text-anchor", "middle")
.style("font-weight", "lighter")
.style("font-size", "1px")
.each(getTextSize)
.style("font-size", d => `${d.scale}px`)
.classed("no_link", true);
a.append("text")
.attr("stroke", "black")
.attr("x", d => d.x)
.attr("y", d => d.y)
.attr("dy", "1.7em")
.text(d => centerText(`${d.stars}☆`, 15)) //⭐
.attr("alignment-baseline", "middle")
.style("text-anchor", "middle")
.style("font-weight", "lighter")
.style("font-size", "1px")
.each(getTextSize)
.style("font-size", d => `${d.scale}px`)
.classed("no_link", true);
repoCircles.on('mouseover', function (d, obj) {
// Do not react while running.
if (dragging)
return;
// Do not react if not selected.
if (typeof (obj.selected) !== 'undefined' && obj.selected === false)
return;
if (showDescription) {
return;
}
const res = repoCircles.filter(repo => obj.id !== repo.id)
.classed('disactive', true);
links.forEach(link => {
if (link.source.index === obj.id || link.target.index === obj.id) {
tgtRadius = getRadius(link.target);
srcRadius = getRadius(link.source);
const vs = { x: link.source.x, y: link.source.y };
const vt = { x: link.target.x, y: link.target.y };
// Compute versor from target to source.
let vX = vs.x - vt.x;
let vY = vs.y - vt.y;
const mag = Math.sqrt(vX * vX + vY * vY);
vX /= mag;
vY /= mag;
d3.select(".raisedLinks")
.append("line")
.style("stroke", "red")
.style("stroke-width", 6)
.style("stroke-linecap", "round")
.attr("x1", link.source.x + (-vX * srcRadius * .8))
.attr("y1", link.source.y + (-vY * srcRadius * .8))
.attr("x2", link.target.x + (vX * tgtRadius * .8))
.attr("y2", link.target.y + (vY * tgtRadius * .8))
}
});
});
repoCircles.on('mouseout', function (d, obj) {
removeForegroundLinks();
});
},
update => {
update.selectAll("text")
.attr("x", d => d.x)
.attr("y", d => d.y)
.style("font-size", "1px")
.each(getTextSize)
.style("font-size", d => `${d.scale}px`);
update.selectAll("circle")
.attr("cx", d => d.x)
.attr("cy", d => d.y)
.attr("r", obj => getRadius(obj));
});
updateActionNodes();
svg.select(".versions")
.selectAll("circle")
.data(versions)
.join("circle")
.attr("cx", d => d.x)
.attr("cy", d => d.y);
svg.select(".versions")
.selectAll("text.versionName")
.data(versions)
.join("text")
.attr("x", d => d.x)
.style("font-size", "1px")
.each(getTextSize)
.style("font-size", d => `${d.scale}px`)
.attr("y", d => d.y);
svg.select(".versions")
.selectAll("text.versionCount")
.data(versions)
.join("text")
.attr("x", d => d.x)
.style("font-size", "1px")
.each(getTextSize)
.style("font-size", d => `${d.scale}px`)
.attr("opacity", 0.8)
.attr("y", d => d.y);
updateDescription();
};
function createTriangle() {
svg.select(".background")
.selectAll("polygon")
.data([trianglePositions])
.join(enter => {
trianglePolygon =
enter.append("polygon")
.attr("fill", "#EEEEEE")
.attr("stroke", "#333333")
.attr("transform", function (d, i) {
return `translate(120,25) scale(.87)`//${d[0].x}, ${d[0].y})`
})
.lower();
});
}
function animateTriangle() {
if (!showDescription)
return;
var trianglePositionsCopy = JSON.parse(JSON.stringify(trianglePositions));
trianglePositionsCopy.forEach((o, i) => {
let dxy = [0, 0];
const r = Math.trunc(Math.random() / 0.25);
const f = [[1, 0], [0, 1], [-1, 0], [0, -1]]
triangleAngles[i] += 0.1;// + (Math.random() * .5);
if (triangleAngles[i] > 3.14)
triangleAngles[i] = -3.140;
o.x += (f[r][0] * (+Math.sin(triangleAngles[i] + i * Math.PI / 2.) * 20));
o.y += (f[r][1] * (+Math.cos(triangleAngles[i] + i * Math.PI / 2.) * 20));
});
svg.select(".background")
.selectAll("polygon")
.data([trianglePositionsCopy])
.join("polygon")
.transition()
.duration(500)
.ease(d3.easeLinear)
.attr("points", function (d) {
return d.map(function (d) {
return [d.x, d.y].join(",");
}).join(" ");
}).on('end', animateTriangle);
}
function disableSelection(versionNode) {
const versionData = versionNode.datum();
// Do not highlight the version node.
versionNode.classed("versionHovering", false);
versionNode.style("fill", d3.color(versionData.color));
d3.select(".repos").selectAll("circle").classed("active", false);
d3.select(".repos").selectAll("circle").classed("disactive", false);
d3.select(".links").selectAll("line").attr("opacity", "1");
repos.forEach(repo => repo.selected = undefined);
allNodes.forEach(o => o.selected = undefined);
simulation.nodes(allNodes);
simulation.alpha(.3).restart();
}
function enableSelection(versionNode,) {
if (showDescription)
return;
const versionData = versionNode.datum();
// Highlight the version node.
versionNode.classed("versionHovering", true);
versionNode.style("fill", d3.color(versionData.color).brighter());
d3.select(".repos").selectAll("circle").classed("disactive", true);
d3.select(".links").
selectAll("line").
attr("opacity", "0.01");
const selectedItems = {}; // Keep track of selected item and never unselect what is selected already.
links.forEach((link, linkIndex) => {
const idString = versionNode.attr("id");
if (idString.startsWith("id")) {
const idNum = parseInt(idString.substr(2), 10);
// A version node is always the source of the link.
versionIndexInAllNodes = link.source.index;
actionOrRepoIndexAllNodes = link.target.index;
if (versionIndexInAllNodes === idNum) {
// Skip links to action nodes.
if (actionOrRepoIndexAllNodes > actionsCount) {
d3.select(".repos").select(`#id${actionOrRepoIndexAllNodes} `)
.classed("disactive", false)
.classed("active", true);
repos[actionOrRepoIndexAllNodes - offset].selected = true;
allNodes[actionOrRepoIndexAllNodes].selected = true;
d3.select(".links")
.select(`#id${linkIndex} `)
.attr("opacity", "1.0")
.attr("stroke-width", "1.5px");
selectedItems[actionOrRepoIndexAllNodes] = true;
}
} else {
if (!selectedItems[actionOrRepoIndexAllNodes]) {
const repoIndex = actionOrRepoIndexAllNodes - offset;
if (repoIndex >= 0 && repos[repoIndex]) {
repos[repoIndex].selected = false;
allNodes[actionOrRepoIndexAllNodes].selected = false;
}
}
}
}
simulation.nodes(allNodes);
simulation.alpha(.3).restart();
});
}
function getActionIndex(actionName) {
return actions.findIndex((action) => action.name === actionName);
}
function getAction(actionName) {
return actions[getActionIndex(actionName)];
}
function getVersionIndex(id) {
return versions.findIndex((version) => version.id === id);
}
function getVersion(id) {
const versionIndex = getVersionIndex(id);
return versions[versionIndex];
}
function ticked() {
updateNodes();
}
function setPos(obj, idx) {
return idx < 3 ? actionPositions[idx] : obj;
}
function getTextSize(d, i) {
// Hack: assume the <circle> containing the text is always the first element
// of the <text>'s container or of the container's container.
var circleObj = this.parentNode.children[0];
if (circleObj.nodeName !== "circle") {
circleObj = this.parentNode.parentNode.children[0];
}
var bbox = this.getBBox(),
cbbox = circleObj.getBBox(),
scale = Math.min(cbbox.width / bbox.width, cbbox.height / bbox.height);
// Reduce the scale to not overlap text and container's borders.
scale = scale * (i < (actionsCount + versionsCount) ? .99 : 1);
d.scale = scale < 6 ? 6 : scale;
}
function shortenVersion(versionName) {
// Treat 'latest' and 'vX' differently than Git commit id.
if (versionName.startsWith('l') || versionName.startsWith('v'))
return versionName.slice(0, 6);
else
return versionName.slice(0, 5);
}
// Center the text in a given length by putting before and after
// non-breakable spaces.
function centerText(text, desiredLength) {
const blanksToFill = Math.max(desiredLength - text.length, 0);
return text.padStart(text.length + (blanksToFill / 2.), ' ').padEnd(desiredLength, ' ');
}
const maxradius = 100;
function dragstarted(ev, d) {
if (!ev.active) {
simulation.alphaTarget(0.6).restart();
}
removeForegroundLinks();
dragging = true;
d.fx = d.x;
d.fy = d.y;
}
let dragging = false;
function dragged(ev, d) {
d.fx = Math.max(maxradius, Math.min(width - maxradius, ev.x));
d.fy = Math.max(maxradius, Math.min(height - maxradius, ev.y));
}
function dragended(ev, d) {
if (!ev.active) {
simulation.alphaTarget(0);
}
dragging = false;
d.fx = null;
d.fy = null;
}
function getRadius(obj) {
if (typeof (obj.selected) === 'undefined')
return obj.radius;
else if (obj.selected === true) {
return obj.radius + 20;
} else if (obj.selected === false) {
return Math.max(5, obj.radius - 100);
}
}
async function getData() {
return d3.json(`https://lukka.github.io/graph/${dataFileName}`)
.catch((err) => {
return d3.json(`http://localhost:8080/graph/${dataFileName}`)
}).catch((err) => {
throw err;
});
}