diff --git a/partials/graph_partial.html b/partials/graph_partial.html index b107b03..2952387 100644 --- a/partials/graph_partial.html +++ b/partials/graph_partial.html @@ -4,7 +4,7 @@ const index = {{$.Site.Data.linkIndex.index}} const links = {{$.Site.Data.linkIndex.links}} const curPage = {{ strings.TrimRight "/" .Page.RelPermalink }} - const pathColors = {{$.Site.Data.graphColors.paths}} + const pathColors = {{$.Site.Data.graphConfig.paths}} const parseIdsFromLinks = (links) => [...(new Set(links.flatMap(link => ([link.source, link.target]))))] @@ -15,7 +15,7 @@ const color = (d) => { if (d.id === curPage) { - return "{{.Site.Data.graphColors.base.activeNode}}" + return "{{.Site.Data.graphConfig.base.activeNode}}" } for (const pathColor of pathColors) { @@ -26,7 +26,7 @@ } } - return "{{.Site.Data.graphColors.base.node}}" + return "{{.Site.Data.graphConfig.base.node}}" } const drag = simulation => { @@ -47,10 +47,12 @@ d.fy = null; } + const enableDrag = {{$.Site.Data.graphConfig.enableDrag}} + const noop = () => {} return d3.drag() - .on("start", dragstarted) - .on("drag", dragged) - .on("end", dragended); + .on("start", enableDrag ? dragstarted : noop) + .on("drag", enableDrag ? dragged : noop) + .on("end", enableDrag ? dragended : noop); } const height = 400 @@ -70,33 +72,39 @@ .attr("viewBox", [-width / 2, -height / 2, width, height]); // legend - const legend = [ - {"Current": "{{.Site.Data.graphColors.base.activeNode}}"}, - {"Note": "{{.Site.Data.graphColors.base.node}}"}, - ...pathColors - ] - legend.forEach((legendEntry, i) => { - const key = Object.keys(legendEntry)[0] - const colour = legendEntry[key] - svg.append("circle").attr("cx", -width/2 + 20).attr("cy", height/2 - 30 * (i+1)).attr("r", 6).style("fill", colour) - svg.append("text").attr("x", -width/2 + 40).attr("y", height/2 - 30 * (i+1)).text(key).style("font-size", "15px").attr("alignment-baseline","middle") - }) + const enableLegend = {{$.Site.Data.graphConfig.enableLegend}} + if (enableLegend) { + const legend = [ + {"Current": "{{.Site.Data.graphConfig.base.activeNode}}"}, + {"Note": "{{.Site.Data.graphConfig.base.node}}"}, + ...pathColors + ] + legend.forEach((legendEntry, i) => { + const key = Object.keys(legendEntry)[0] + const colour = legendEntry[key] + svg.append("circle").attr("cx", -width/2 + 20).attr("cy", height/2 - 30 * (i+1)).attr("r", 6).style("fill", colour) + svg.append("text").attr("x", -width/2 + 40).attr("y", height/2 - 30 * (i+1)).text(key).style("font-size", "15px").attr("alignment-baseline","middle") + }) + } + // draw links between nodes const link = svg.append("g") .selectAll("line") .data(data.links) .join("line") .attr("class", "link") - .attr("stroke", "{{.Site.Data.graphColors.base.link}}") + .attr("stroke", "{{.Site.Data.graphConfig.base.link}}") .attr("stroke-width", 2) .attr("data-source", d => d.source.id) .attr("data-target", d => d.target.id) + // svg groups const graphNode = svg.append("g") .selectAll("g") .data(data.nodes) .enter().append("g") + // draw individual nodes const node = graphNode.append("circle") .attr("class", "node") .attr("id", (d) => d.id) @@ -114,7 +122,7 @@ d3.selectAll(".node") .transition() .duration(100) - .attr("fill", "{{$.Site.Data.graphColors.base.inactiveNode}}") + .attr("fill", "{{$.Site.Data.graphConfig.base.inactiveNode}}") const neighbours = parseIdsFromLinks([...(index.links[d.id] || []), ...(index.backlinks[d.id] || [])]) const neighbourNodes = d3.selectAll(".node").filter(d => neighbours.includes(d.id)) @@ -131,7 +139,7 @@ links .transition() .duration(200) - .attr("stroke", "{{$.Site.Data.graphColors.base.activeLink}}") + .attr("stroke", "{{$.Site.Data.graphConfig.base.activeLink}}") // show text for self d3.select(this.parentNode) @@ -152,7 +160,7 @@ links .transition() .duration(200) - .attr("stroke", "{{$.Site.Data.graphColors.base.link}}") + .attr("stroke", "{{$.Site.Data.graphConfig.base.link}}") d3.select(this.parentNode) .select("text") @@ -162,6 +170,7 @@ }) .call(drag(simulation)); + // draw labels const labels = graphNode.append("text") .attr("dx", 12) .attr("dy", ".35em") @@ -170,26 +179,29 @@ .style("pointer-events", "none") .call(drag(simulation)); - svg.call(d3.zoom() - .extent([[0, 0], [width, height]]) - .scaleExtent([0.25, 4]) - .on("zoom", ({transform}) => { - link.attr("transform", transform); - node.attr("transform", transform); - labels.attr("transform", transform); - })); + // set panning + const enableZoom = {{$.Site.Data.graphConfig.enableZoom}} + if (enableZoom) { + svg.call(d3.zoom() + .extent([[0, 0], [width, height]]) + .scaleExtent([0.25, 4]) + .on("zoom", ({transform}) => { + link.attr("transform", transform); + node.attr("transform", transform); + labels.attr("transform", transform); + })); + } + // progress the simulation simulation.on("tick", () => { link .attr("x1", d => d.source.x) .attr("y1", d => d.source.y) .attr("x2", d => d.target.x) .attr("y2", d => d.target.y); - node .attr("cx", d => d.x) .attr("cy", d => d.y); - labels .attr("x", d => d.x) .attr("y", d => d.y);