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feat(graph): focusOnHover (#954)

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by default, globalGraph will enable focusOnHover, similar to Obsidian.

---------

Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com>
This commit is contained in:
Aaron Pham 2024-03-04 15:09:20 -05:00 committed by GitHub
parent bcb5b2df09
commit cec3662c74
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GPG key ID: B5690EEEBB952194
2 changed files with 24 additions and 6 deletions
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3
quartz/components/Graph.tsx
View file

@ -17,6 +17,7 @@ export interface D3Config {
opacityScale: number
removeTags: string[]
showTags: boolean
focusOnHover?: boolean
}
interface GraphOptions {
@ -37,6 +38,7 @@ const defaultOptions: GraphOptions = {
opacityScale: 1,
showTags: true,
removeTags: [],
focusOnHover: false,
},
globalGraph: {
drag: true,
@ -50,6 +52,7 @@ const defaultOptions: GraphOptions = {
opacityScale: 1,
showTags: true,
removeTags: [],
focusOnHover: true,
},
}

27
quartz/components/scripts/graph.inline.ts
View file

@ -44,6 +44,7 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
opacityScale,
removeTags,
showTags,
focusOnHover,
} = JSON.parse(graph.dataset["cfg"]!)
const data: Map<SimpleSlug, ContentDetails> = new Map(
@ -189,6 +190,8 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
return 2 + Math.sqrt(numLinks)
}
let connectedNodes: SimpleSlug[] = []
// draw individual nodes
const node = graphNode
.append("circle")
@ -202,17 +205,25 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
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)
@ -231,6 +242,10 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
.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")