depytree/index.html at main · cod3licious/depytree · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>DePyTree</title>
  <script src="https://d3js.org/d3.v7.min.js"></script>
  <style>
    body { margin: 0; font-family: sans-serif; }
    #graph-container {
      height: 100vh; /* Full viewport height */
      width: 100vw;  /* Full viewport width */
      overflow: scroll;
    }
    svg {
      width: auto;
      height: auto;
      display: block;
      background: #fafafa;
    }
    .node-label { font-size: 12px; text-anchor: start; }
    .link { fill: none; stroke-width: 1.5px; }
    .node { cursor: pointer; }
    .tooltip {
      position: absolute;
      padding: 5px 10px;
      background: rgba(0,0,0,0.7);
      color: white;
      font-size: 12px;
      border-radius: 4px;
      pointer-events: none;
      opacity: 0;
      transition: opacity 0.2s;
    }
  </style>
</head>
<body>
  <label for="data-source">Data Source:</label>
  <select id="data-source" onchange="changeDataSource(this.value)">
    <option value="data/graph_data_modules.json">modules</option>
    <option value="data/graph_data.json">all</option>
  </select>

  <button onclick="showFull()">–</button>
  <button onclick="showZoomed()">+</button>

  <label>
    <input type="checkbox" id="showGit"> Show Git
  </label>

  <div id="graph-container">
    <svg></svg>
  </div>

<script>
function showFull() {
  const svg = document.querySelector("svg")
  svg.style.height = `${Math.min(0.95 * window.innerHeight, svg.viewBox.baseVal.height)}px`;
}

function showZoomed() {
  const svg = document.querySelector("svg")
  svg.style.height = `${svg.viewBox.baseVal.height}px`;
}
window.addEventListener("load", async () => {
  await drawGraph('data/graph_data_modules.json');
  showFull();
});
window.addEventListener("resize", showFull);

async function changeDataSource(filename) {
  await drawGraph(filename);
  showFull();
}

async function drawGraph(filename) {
  await fetch(filename)
  .then(response => response.json())
  .then(data => {
    const link_green = "#6ab82e";
    const link_red = "#b82e37";
    const link_git = "#f79b11";

    const nodeSpacing = 14; // in px
    const reqHeight = (data.nodes.length - 1) * nodeSpacing;
    const reqWidth = Math.max(reqHeight, window.innerWidth / 2)
    const centerX = reqWidth / 2;

    const svg = d3.select("svg")
      .attr("viewBox", `0 0 ${reqWidth} ${reqHeight}`);
    svg.style.height = `${Math.min(0.95 * window.innerHeight, reqHeight)}px`;

    svg.selectAll("*").remove();  // in case new file is loaded

    const g = svg.append("g");

    const tooltip = d3.select("body").append("div")
      .attr("class", "tooltip");

    const y = d3.scalePoint()
      .domain(data.nodes.map(d => d.id))
      .range([0, reqHeight])
      .padding(1);

    // Prepare links - upper to lower on the left (green, lower to upper on the right (red)
    function getFilteredLinks() {
      const showGit = document.getElementById("showGit").checked;
      return showGit ? data.links : data.links.filter(d => d.type !== "git");
    }

    function computeArc(d) {
      const sourceY = y(d.source);
      const targetY = y(d.target);
      const verticalDistance = Math.abs(targetY - sourceY);
      const curveStrength = Math.max(10, verticalDistance / 2);
      const xCurveOffset = sourceY < targetY ? -curveStrength : curveStrength;

      return `M${centerX},${sourceY} C${centerX + xCurveOffset},${sourceY} ${centerX + xCurveOffset},${targetY} ${centerX},${targetY}`;
    }

    function getArcColor(d) {
      return d.type === "git" ? link_git : y(d.source) < y(d.target) ? link_green : link_red;
    }

    const linkGroup = g.append("g");

    let link = linkGroup
      .selectAll("path")
      .data(getFilteredLinks())
      .join("path")
      .attr("class", "link")
      .attr("d", computeArc)
      .attr("stroke", getArcColor)
      .attr("stroke-opacity", d => d.strength);

    // Prepare nodes
    const node = g.append("g")
      .selectAll("circle")
      .data(data.nodes)
      .join("circle")
      .attr("class", "node")
      .attr("cx", centerX)
      .attr("cy", d => y(d.id))
      .attr("r", d => 4 + d.size * 3)
      .attr("fill", d => d.color || "#333")
      .on("click", (event, d) => {
        event.stopPropagation(); // Prevent background reset
        highlightNode(d.id);
      })
      .on("mouseover", (event, d) => {
        tooltip.style("opacity", 1)
               .html(d.id)
               .style("left", (event.pageX + 10) + "px")
               .style("top", (event.pageY - 10) + "px");
      })
      .on("mouseout", () => {
        tooltip.style("opacity", 0);
      });

    // Prepare labels
    const label = g.append("g")
      .selectAll("text")
      .data(data.nodes)
      .join("text")
      .attr("x", centerX + 10)
      .attr("y", d => y(d.id))
      .attr("dy", "0.35em")
      .attr("class", "node-label")
      .style("font-weight", d => d.type === "file" ? "bold" : "normal")
      .text(d => d.label);

    // Build lookup maps for fast checking
    const outgoing = {};
    const incoming = {};
    data.links.forEach(l => {
      if (!outgoing[l.source]) outgoing[l.source] = [];
      if (!incoming[l.target]) incoming[l.target] = [];
      outgoing[l.source].push(l.target);
      incoming[l.target].push(l.source);
    });

    function highlightNode(selectedId) {
      link.attr("stroke", d => {
          if (d.source === selectedId || d.target === selectedId) {
            return getArcColor(d);
          } else {
            return "#ddd";
          }
        })
        .attr("stroke-opacity", d => (d.source === selectedId || d.target === selectedId) ? 1 : 0.3);

      node.attr("fill", d => {
          if (d.id === selectedId || (outgoing[selectedId] && outgoing[selectedId].includes(d.id)) || (incoming[selectedId] && incoming[selectedId].includes(d.id))) {
            return d.color || "#333";
          } else {
            return "#ddd";
          }
        });

      label.attr("fill", d => {
          if (d.id === selectedId || (outgoing[selectedId] && outgoing[selectedId].includes(d.id)) || (incoming[selectedId] && incoming[selectedId].includes(d.id))) {
            return "#000";
          } else {
            return "#aaa";
          }
        });

      svg.attr("cursor", "pointer");
    }

    // Reset view when clicking on background
    svg.on("click", (event) => {
      if (event.target.tagName === 'svg') {
        link
          .attr("stroke", getArcColor)
          .attr("stroke-opacity", d => d.strength);

        node
          .attr("fill", d => d.color || "#333");

        label
          .attr("fill", "#000");

        svg.attr("cursor", "auto");
      }
    });

    // redraw links when checkbox state is changed - this also resets the node highlighting
    document.getElementById("showGit").addEventListener("change", () => {
      link = linkGroup
        .selectAll("path")
        .data(getFilteredLinks(), d => d.source + "-" + d.target)
        .join("path")
        .attr("class", "link")
        .attr("d", computeArc)
        .attr("stroke", getArcColor)
        .attr("stroke-opacity", d => d.strength);
    });

  }).catch(error => console.log(error));
}
</script>

</body>
</html>