| | |
| | | opacityScale, |
| | | removeTags, |
| | | showTags, |
| | | focusOnHover, |
| | | } = JSON.parse(graph.dataset["cfg"]!) |
| | | |
| | | const data: Map<SimpleSlug, ContentDetails> = new Map( |
| | |
| | | return 2 + Math.sqrt(numLinks) |
| | | } |
| | | |
| | | let connectedNodes: SimpleSlug[] = [] |
| | | |
| | | // draw individual nodes |
| | | const node = graphNode |
| | | .append("circle") |
| | |
| | | window.spaNavigate(new URL(targ, window.location.toString())) |
| | | }) |
| | | .on("mouseover", function (_, d) { |
| | | const neighbours: SimpleSlug[] = data.get(slug)?.links ?? [] |
| | | const neighbourNodes = d3 |
| | | .selectAll<HTMLElement, NodeData>(".node") |
| | | .filter((d) => neighbours.includes(d.id)) |
| | | const currentId = d.id |
| | | const linkNodes = d3 |
| | | .selectAll(".link") |
| | | .filter((d: any) => d.source.id === currentId || d.target.id === currentId) |
| | | |
| | | // highlight neighbour nodes |
| | | neighbourNodes.transition().duration(200).attr("fill", color) |
| | | if (focusOnHover) { |
| | | // fade out non-neighbour nodes |
| | | connectedNodes = linkNodes.data().flatMap((d: any) => [d.source.id, d.target.id]) |
| | | |
| | | d3.selectAll<HTMLElement, NodeData>(".link") |
| | | .transition() |
| | | .duration(200) |
| | | .style("opacity", 0.2) |
| | | d3.selectAll<HTMLElement, NodeData>(".node") |
| | | .filter((d) => !connectedNodes.includes(d.id)) |
| | | .transition() |
| | | .duration(200) |
| | | .style("opacity", 0.2) |
| | | } |
| | | |
| | | // highlight links |
| | | linkNodes.transition().duration(200).attr("stroke", "var(--gray)").attr("stroke-width", 1) |
| | |
| | | .style("font-size", bigFont + "em") |
| | | }) |
| | | .on("mouseleave", function (_, d) { |
| | | if (focusOnHover) { |
| | | d3.selectAll<HTMLElement, NodeData>(".link").transition().duration(200).style("opacity", 1) |
| | | d3.selectAll<HTMLElement, NodeData>(".node").transition().duration(200).style("opacity", 1) |
| | | } |
| | | const currentId = d.id |
| | | const linkNodes = d3 |
| | | .selectAll(".link") |
| | |
| | | registerEscapeHandler(container, hideGlobalGraph) |
| | | } |
| | | |
| | | document.addEventListener("nav", async (e: unknown) => { |
| | | const slug = (e as CustomEventMap["nav"]).detail.url |
| | | document.addEventListener("nav", async (e: CustomEventMap["nav"]) => { |
| | | const slug = e.detail.url |
| | | addToVisited(slug) |
| | | await renderGraph("graph-container", slug) |
| | | |
| | | const containerIcon = document.getElementById("global-graph-icon") |
| | | containerIcon?.removeEventListener("click", renderGlobalGraph) |
| | | containerIcon?.addEventListener("click", renderGlobalGraph) |
| | | window.addCleanup(() => containerIcon?.removeEventListener("click", renderGlobalGraph)) |
| | | }) |