| | |
| | | import { ContentDetails } from "../../plugins/emitters/contentIndex" |
| | | import * as d3 from 'd3' |
| | | import { registerEscapeHandler } from "./handler" |
| | | import { registerEscapeHandler, removeAllChildren } from "./util" |
| | | import { CanonicalSlug, getCanonicalSlug, getClientSlug, resolveRelative } from "../../path" |
| | | |
| | | type NodeData = { |
| | | id: string, |
| | | id: CanonicalSlug, |
| | | text: string, |
| | | tags: string[] |
| | | } & d3.SimulationNodeDatum |
| | | |
| | | type LinkData = { |
| | | source: string, |
| | | target: string |
| | | source: CanonicalSlug, |
| | | target: CanonicalSlug |
| | | } |
| | | |
| | | function relative(from: string, to: string) { |
| | | const pieces = [location.protocol, '//', location.host, location.pathname] |
| | | const url = pieces.join('').slice(0, -from.length) + to |
| | | return url |
| | | const localStorageKey = "graph-visited" |
| | | function getVisited(): Set<CanonicalSlug> { |
| | | return new Set(JSON.parse(localStorage.getItem(localStorageKey) ?? "[]")) |
| | | } |
| | | |
| | | function removeAllChildren(node: HTMLElement) { |
| | | while (node.firstChild) { |
| | | node.removeChild(node.firstChild) |
| | | } |
| | | function addToVisited(slug: CanonicalSlug) { |
| | | const visited = getVisited() |
| | | visited.add(slug) |
| | | localStorage.setItem(localStorageKey, JSON.stringify([...visited])) |
| | | } |
| | | |
| | | async function renderGraph(container: string, slug: string) { |
| | | async function renderGraph(container: string, slug: CanonicalSlug) { |
| | | const visited = getVisited() |
| | | const graph = document.getElementById(container) |
| | | if (!graph) return |
| | | removeAllChildren(graph) |
| | |
| | | const outgoing = details.links ?? [] |
| | | for (const dest of outgoing) { |
| | | if (src in data && dest in data) { |
| | | links.push({ source: src, target: dest }) |
| | | links.push({ source: src as CanonicalSlug, target: dest }) |
| | | } |
| | | } |
| | | } |
| | | |
| | | const neighbourhood = new Set() |
| | | |
| | | const wl = [slug, "__SENTINEL"] |
| | | const neighbourhood = new Set<CanonicalSlug>() |
| | | const wl: (CanonicalSlug | "__SENTINEL")[] = [slug, "__SENTINEL"] |
| | | if (depth >= 0) { |
| | | while (depth >= 0 && wl.length > 0) { |
| | | // compute neighbours |
| | | const cur = wl.shift() |
| | | const cur = wl.shift()! |
| | | if (cur === "__SENTINEL") { |
| | | depth-- |
| | | wl.push("__SENTINEL") |
| | |
| | | } |
| | | } |
| | | } else { |
| | | links.flatMap(l => [l.source, l.target]).forEach((id) => neighbourhood.add(id)) |
| | | Object.keys(data).forEach(id => neighbourhood.add(id as CanonicalSlug)) |
| | | } |
| | | |
| | | const graphData: { nodes: NodeData[], links: LinkData[] } = { |
| | | nodes: Object.keys(data).filter(id => neighbourhood.has(id)).map(url => ({ id: url, text: data[url]?.title ?? url, tags: data[url]?.tags ?? [] })), |
| | | nodes: [...neighbourhood].map(url => ({ id: url, text: data[url]?.title ?? url, tags: data[url]?.tags ?? [] })), |
| | | links: links.filter((l) => neighbourhood.has(l.source) && neighbourhood.has(l.target)) |
| | | } |
| | | |
| | |
| | | .join("line") |
| | | .attr("class", "link") |
| | | .attr("stroke", "var(--lightgray)") |
| | | .attr("stroke-width", 2) |
| | | .attr("stroke-width", 1) |
| | | |
| | | // svg groups |
| | | const graphNode = svg.append("g").selectAll("g").data(graphData.nodes).enter().append("g") |
| | | |
| | | // calculate radius |
| | | // calculate color |
| | | const color = (d: NodeData) => { |
| | | // TODO: does this handle the index page |
| | | const isCurrent = d.id === slug |
| | | return isCurrent ? "var(--secondary)" : "var(--gray)" |
| | | if (isCurrent) { |
| | | return "var(--secondary)" |
| | | } else if (visited.has(d.id)) { |
| | | return "var(--tertiary)" |
| | | } else { |
| | | return "var(--gray)" |
| | | } |
| | | } |
| | | |
| | | const drag = (simulation: d3.Simulation<NodeData, LinkData>) => { |
| | |
| | | .attr("fill", color) |
| | | .style("cursor", "pointer") |
| | | .on("click", (_, d) => { |
| | | const targ = relative(slug, d.id) |
| | | window.spaNavigate(new URL(targ)) |
| | | const targ = resolveRelative(slug, d.id) |
| | | window.spaNavigate(new URL(targ, getClientSlug(window))) |
| | | }) |
| | | .on("mouseover", function(_, d) { |
| | | const neighbours: string[] = data[slug].links ?? [] |
| | | const neighbours: CanonicalSlug[] = data[slug].links ?? [] |
| | | const neighbourNodes = d3.selectAll<HTMLElement, NodeData>(".node").filter((d) => neighbours.includes(d.id)) |
| | | console.log(neighbourNodes) |
| | | const currentId = d.id |
| | | const linkNodes = d3 |
| | | .selectAll(".link") |
| | |
| | | neighbourNodes.transition().duration(200).attr("fill", color) |
| | | |
| | | // highlight links |
| | | linkNodes.transition().duration(200).attr("stroke", "var(--gray)") |
| | | linkNodes |
| | | .transition() |
| | | .duration(200) |
| | | .attr("stroke", "var(--gray)") |
| | | .attr("stroke-width", 1) |
| | | |
| | | |
| | | const bigFont = fontSize * 1.5 |
| | | |
| | |
| | | const labels = graphNode |
| | | .append("text") |
| | | .attr("dx", 0) |
| | | .attr("dy", (d) => nodeRadius(d) + 8 + "px") |
| | | .attr("dy", (d) => -nodeRadius(d) + "px") |
| | | .attr("text-anchor", "middle") |
| | | .text((d) => data[d.id]?.title || (d.id.charAt(1).toUpperCase() + d.id.slice(2)).replace("-", " ")) |
| | | .style('opacity', (opacityScale - 1) / 3.75) |
| | |
| | | } |
| | | |
| | | function renderGlobalGraph() { |
| | | const slug = document.body.dataset["slug"]! |
| | | renderGraph("global-graph-container", slug) |
| | | const slug = getCanonicalSlug(window) |
| | | const container = document.getElementById("global-graph-outer") |
| | | const sidebar = container?.closest(".sidebar") as HTMLElement |
| | | container?.classList.add("active") |
| | | if (sidebar) { |
| | | sidebar.style.zIndex = "1" |
| | | } |
| | | |
| | | renderGraph("global-graph-container", slug) |
| | | |
| | | function hideGlobalGraph() { |
| | | container?.classList.remove("active") |
| | | const graph = document.getElementById("global-graph-container") |
| | | if (sidebar) { |
| | | sidebar.style.zIndex = "unset" |
| | | } |
| | | if (!graph) return |
| | | removeAllChildren(graph) |
| | | } |
| | |
| | | |
| | | document.addEventListener("nav", async (e: unknown) => { |
| | | const slug = (e as CustomEventMap["nav"]).detail.url |
| | | addToVisited(slug) |
| | | await renderGraph("graph-container", slug) |
| | | |
| | | const containerIcon = document.getElementById("global-graph-icon") |
| | | containerIcon?.removeEventListener("click", renderGlobalGraph) |
| | | containerIcon?.addEventListener("click", renderGlobalGraph) |
| | | }) |
| | | |