Class: RailsFlowMap::D3jsFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_flow_map/formatters/d3js_formatter.rb

Overview

Generates an interactive HTML visualization using D3.js library

This formatter creates a full HTML page with embedded JavaScript that renders an interactive force-directed graph. Users can drag nodes, zoom, search, and filter by node types.

Examples:

Basic usage

formatter = D3jsFormatter.new(graph)
html = formatter.format
File.write('interactive.html', html)

With custom options

formatter = D3jsFormatter.new(graph, {
  width: 1200,
  height: 800,
  node_colors: { model: '#ff0000', controller: '#00ff00' }
})

Instance Method Summary collapse

Constructor Details

#initialize(graph, options = {}) ⇒ D3jsFormatter

Creates a new D3.js formatter instance

Parameters:

  • graph (FlowGraph) —

    The graph to visualize

  • options (Hash) (defaults to: {}) —

    Optional configuration

Options Hash (options):

  • :width (Integer) —

    The width of the visualization canvas

  • :height (Integer) —

    The height of the visualization canvas

  • :node_colors (Hash) —

    Custom colors for node types



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# File 'lib/rails_flow_map/formatters/d3js_formatter.rb', line 30

def initialize(graph, options = {})
  @graph = graph
  @options = options
end

Instance Method Details

#format(graph = @graph) ⇒ String

Generates the HTML visualization

Parameters:

  • graph (FlowGraph) (defaults to: @graph) —

    Optional graph to format (uses instance graph by default)

Returns:

  • (String) —

    Complete HTML document with embedded D3.js visualization



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# File 'lib/rails_flow_map/formatters/d3js_formatter.rb', line 39

def format(graph = @graph)
  html_content = "<!DOCTYPE html>\n<html lang=\"ja\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>Rails Flow Map - Interactive Visualization</title>\n    <script src=\"https://d3js.org/d3.v7.min.js\"></script>\n    <style>\n  body {\n      font-family: Arial, sans-serif;\n      margin: 0;\n      overflow: hidden;\n  }\n  \n  #container {\n      width: 100vw;\n      height: 100vh;\n      position: relative;\n  }\n  \n  #controls {\n      position: absolute;\n      top: 10px;\n      left: 10px;\n      background: white;\n      padding: 15px;\n      border-radius: 5px;\n      box-shadow: 0 2px 10px rgba(0,0,0,0.1);\n      z-index: 1000;\n  }\n  \n  #search {\n      padding: 5px 10px;\n      border: 1px solid #ddd;\n      border-radius: 3px;\n      width: 200px;\n      margin-bottom: 10px;\n  }\n  \n  .filter-group {\n      margin-bottom: 10px;\n  }\n  \n  .filter-group label {\n      display: block;\n      margin: 5px 0;\n      cursor: pointer;\n  }\n  \n  .node {\n      cursor: pointer;\n  }\n  \n  .node circle {\n      stroke-width: 2px;\n  }\n  \n  .node text {\n      font: 12px sans-serif;\n      pointer-events: none;\n  }\n  \n  .link {\n      fill: none;\n      stroke: #999;\n      stroke-opacity: 0.6;\n      stroke-width: 1.5px;\n  }\n  \n  .link-label {\n      font: 10px sans-serif;\n      fill: #666;\n  }\n  \n  .highlighted {\n      opacity: 1 !important;\n  }\n  \n  .dimmed {\n      opacity: 0.2;\n  }\n  \n  .tooltip {\n      position: absolute;\n      padding: 10px;\n      background: rgba(0, 0, 0, 0.8);\n      color: white;\n      border-radius: 5px;\n      pointer-events: none;\n      opacity: 0;\n      transition: opacity 0.3s;\n      font-size: 12px;\n  }\n  \n  #info {\n      position: absolute;\n      bottom: 10px;\n      right: 10px;\n      background: white;\n      padding: 10px;\n      border-radius: 5px;\n      box-shadow: 0 2px 10px rgba(0,0,0,0.1);\n      font-size: 12px;\n  }\n  \n  .legend {\n      position: absolute;\n      top: 10px;\n      right: 10px;\n      background: white;\n      padding: 15px;\n      border-radius: 5px;\n      box-shadow: 0 2px 10px rgba(0,0,0,0.1);\n  }\n  \n  .legend-item {\n      margin: 5px 0;\n  }\n  \n  .legend-color {\n      display: inline-block;\n      width: 20px;\n      height: 20px;\n      margin-right: 5px;\n      vertical-align: middle;\n      border-radius: 3px;\n  }\n    </style>\n</head>\n<body>\n    <div id=\"container\">\n  <div id=\"controls\">\n      <h3>\u30D5\u30A3\u30EB\u30BF\u30FC</h3>\n      <input type=\"text\" id=\"search\" placeholder=\"\u691C\u7D22...\">\n      \n      <div class=\"filter-group\">\n          <label><input type=\"checkbox\" class=\"type-filter\" value=\"model\" checked> \u30E2\u30C7\u30EB</label>\n          <label><input type=\"checkbox\" class=\"type-filter\" value=\"controller\" checked> \u30B3\u30F3\u30C8\u30ED\u30FC\u30E9\u30FC</label>\n          <label><input type=\"checkbox\" class=\"type-filter\" value=\"action\" checked> \u30A2\u30AF\u30B7\u30E7\u30F3</label>\n          <label><input type=\"checkbox\" class=\"type-filter\" value=\"service\" checked> \u30B5\u30FC\u30D3\u30B9</label>\n          <label><input type=\"checkbox\" class=\"type-filter\" value=\"route\" checked> \u30EB\u30FC\u30C8</label>\n      </div>\n      \n      <button id=\"reset-zoom\">\u30BA\u30FC\u30E0\u30EA\u30BB\u30C3\u30C8</button>\n      <button id=\"center-graph\">\u4E2D\u592E\u306B\u914D\u7F6E</button>\n  </div>\n  \n  <div class=\"legend\">\n      <h4>\u51E1\u4F8B</h4>\n      <div class=\"legend-item\">\n          <span class=\"legend-color\" style=\"background: #ff9999\"></span>\u30E2\u30C7\u30EB\n      </div>\n      <div class=\"legend-item\">\n          <span class=\"legend-color\" style=\"background: #9999ff\"></span>\u30B3\u30F3\u30C8\u30ED\u30FC\u30E9\u30FC\n      </div>\n      <div class=\"legend-item\">\n          <span class=\"legend-color\" style=\"background: #99ff99\"></span>\u30A2\u30AF\u30B7\u30E7\u30F3\n      </div>\n      <div class=\"legend-item\">\n          <span class=\"legend-color\" style=\"background: #ffcc99\"></span>\u30B5\u30FC\u30D3\u30B9\n      </div>\n      <div class=\"legend-item\">\n          <span class=\"legend-color\" style=\"background: #ffff99\"></span>\u30EB\u30FC\u30C8\n      </div>\n  </div>\n  \n  <div id=\"info\">\n      \u30CE\u30FC\u30C9: <span id=\"node-count\">0</span> | \n      \u30A8\u30C3\u30B8: <span id=\"edge-count\">0</span> |\n      \u30BA\u30FC\u30E0: <span id=\"zoom-level\">100%</span>\n  </div>\n  \n  <div class=\"tooltip\"></div>\n    </div>\n\n    <script>\n  // \u30C7\u30FC\u30BF\u306E\u6E96\u5099\n  const graphData = \#{generate_graph_data.to_json};\n  \n  // \u8272\u306E\u5B9A\u7FA9\n  const colors = {\n      model: '#ff9999',\n      controller: '#9999ff',\n      action: '#99ff99',\n      service: '#ffcc99',\n      route: '#ffff99'\n  };\n  \n  // SVG\u306E\u8A2D\u5B9A\n  const width = window.innerWidth;\n  const height = window.innerHeight;\n  \n  const svg = d3.select(\"#container\")\n      .append(\"svg\")\n      .attr(\"width\", width)\n      .attr(\"height\", height);\n  \n  const g = svg.append(\"g\");\n  \n  // \u30BA\u30FC\u30E0\u6A5F\u80FD\n  const zoom = d3.zoom()\n      .scaleExtent([0.1, 10])\n      .on(\"zoom\", (event) => {\n          g.attr(\"transform\", event.transform);\n          d3.select(\"#zoom-level\").text(Math.round(event.transform.k * 100) + \"%\");\n      });\n  \n  svg.call(zoom);\n  \n  // Force simulation\n  const simulation = d3.forceSimulation(graphData.nodes)\n      .force(\"link\", d3.forceLink(graphData.links).id(d => d.id).distance(100))\n      .force(\"charge\", d3.forceManyBody().strength(-300))\n      .force(\"center\", d3.forceCenter(width / 2, height / 2))\n      .force(\"collision\", d3.forceCollide().radius(50));\n  \n  // \u30EA\u30F3\u30AF\u306E\u63CF\u753B\n  const link = g.append(\"g\")\n      .attr(\"class\", \"links\")\n      .selectAll(\"line\")\n      .data(graphData.links)\n      .enter().append(\"line\")\n      .attr(\"class\", \"link\")\n      .attr(\"stroke\", d => d.type === 'belongs_to' ? '#ff6666' : '#999')\n      .attr(\"stroke-dasharray\", d => d.type === 'has_action' ? '5,5' : 'none');\n  \n  // \u30CE\u30FC\u30C9\u30B0\u30EB\u30FC\u30D7\n  const node = g.append(\"g\")\n      .attr(\"class\", \"nodes\")\n      .selectAll(\"g\")\n      .data(graphData.nodes)\n      .enter().append(\"g\")\n      .attr(\"class\", \"node\")\n      .call(d3.drag()\n          .on(\"start\", dragstarted)\n          .on(\"drag\", dragged)\n          .on(\"end\", dragended));\n  \n  // \u30CE\u30FC\u30C9\u306E\u5186\n  node.append(\"circle\")\n      .attr(\"r\", d => d.type === 'model' ? 15 : 10)\n      .attr(\"fill\", d => colors[d.type] || '#999')\n      .attr(\"stroke\", \"#fff\");\n  \n  // \u30CE\u30FC\u30C9\u306E\u30E9\u30D9\u30EB\n  node.append(\"text\")\n      .attr(\"dy\", \".35em\")\n      .attr(\"x\", 20)\n      .text(d => d.name)\n      .style(\"font-size\", \"12px\");\n  \n  // \u30C4\u30FC\u30EB\u30C1\u30C3\u30D7\n  const tooltip = d3.select(\".tooltip\");\n  \n  node.on(\"mouseover\", function(event, d) {\n      tooltip.transition()\n          .duration(200)\n          .style(\"opacity\", .9);\n      \n      let content = `<strong>${d.name}</strong><br/>\n                    \u30BF\u30A4\u30D7: ${d.type}<br/>`;\n      \n      if (d.attributes) {\n          if (d.attributes.associations) {\n              content += `\u95A2\u9023: ${d.attributes.associations.join(', ')}<br/>`;\n          }\n          if (d.attributes.path) {\n              content += `\u30D1\u30B9: ${d.attributes.path}<br/>`;\n          }\n          if (d.attributes.verb) {\n              content += `\u30E1\u30BD\u30C3\u30C9: ${d.attributes.verb}<br/>`;\n          }\n      }\n      \n      tooltip.html(content)\n          .style(\"left\", (event.pageX + 10) + \"px\")\n          .style(\"top\", (event.pageY - 28) + \"px\");\n  })\n  .on(\"mouseout\", function(d) {\n      tooltip.transition()\n          .duration(500)\n          .style(\"opacity\", 0);\n  });\n  \n  // \u30C0\u30D6\u30EB\u30AF\u30EA\u30C3\u30AF\u3067\u95A2\u9023\u30CE\u30FC\u30C9\u306E\u30CF\u30A4\u30E9\u30A4\u30C8\n  node.on(\"dblclick\", function(event, d) {\n      event.stopPropagation();\n      highlightConnected(d);\n  });\n  \n  // \u30B7\u30DF\u30E5\u30EC\u30FC\u30B7\u30E7\u30F3\u306E\u66F4\u65B0\n  simulation.on(\"tick\", () => {\n      link\n          .attr(\"x1\", d => d.source.x)\n          .attr(\"y1\", d => d.source.y)\n          .attr(\"x2\", d => d.target.x)\n          .attr(\"y2\", d => d.target.y);\n      \n      node\n          .attr(\"transform\", d => `translate(${d.x},${d.y})`);\n  });\n  \n  // \u30C9\u30E9\u30C3\u30B0\u6A5F\u80FD\n  function dragstarted(event, d) {\n      if (!event.active) simulation.alphaTarget(0.3).restart();\n      d.fx = d.x;\n      d.fy = d.y;\n  }\n  \n  function dragged(event, d) {\n      d.fx = event.x;\n      d.fy = event.y;\n  }\n  \n  function dragended(event, d) {\n      if (!event.active) simulation.alphaTarget(0);\n      d.fx = null;\n      d.fy = null;\n  }\n  \n  // \u691C\u7D22\u6A5F\u80FD\n  d3.select(\"#search\").on(\"input\", function() {\n      const searchTerm = this.value.toLowerCase();\n      \n      node.classed(\"dimmed\", d => {\n          return searchTerm && !d.name.toLowerCase().includes(searchTerm);\n      });\n      \n      link.classed(\"dimmed\", d => {\n          return searchTerm && \n              !d.source.name.toLowerCase().includes(searchTerm) && \n              !d.target.name.toLowerCase().includes(searchTerm);\n      });\n  });\n  \n  // \u30D5\u30A3\u30EB\u30BF\u30FC\u6A5F\u80FD\n  d3.selectAll(\".type-filter\").on(\"change\", function() {\n      const visibleTypes = [];\n      d3.selectAll(\".type-filter:checked\").each(function() {\n          visibleTypes.push(this.value);\n      });\n      \n      node.style(\"display\", d => visibleTypes.includes(d.type) ? null : \"none\");\n      \n      link.style(\"display\", d => {\n          return visibleTypes.includes(d.source.type) && \n                 visibleTypes.includes(d.target.type) ? null : \"none\";\n      });\n  });\n  \n  // \u95A2\u9023\u30CE\u30FC\u30C9\u306E\u30CF\u30A4\u30E9\u30A4\u30C8\n  function highlightConnected(selectedNode) {\n      const connectedNodeIds = new Set([selectedNode.id]);\n      \n      graphData.links.forEach(link => {\n          if (link.source.id === selectedNode.id) {\n              connectedNodeIds.add(link.target.id);\n          }\n          if (link.target.id === selectedNode.id) {\n              connectedNodeIds.add(link.source.id);\n          }\n      });\n      \n      node.classed(\"dimmed\", d => !connectedNodeIds.has(d.id));\n      node.classed(\"highlighted\", d => connectedNodeIds.has(d.id));\n      \n      link.classed(\"dimmed\", d => {\n          return !connectedNodeIds.has(d.source.id) || !connectedNodeIds.has(d.target.id);\n      });\n      link.classed(\"highlighted\", d => {\n          return connectedNodeIds.has(d.source.id) && connectedNodeIds.has(d.target.id);\n      });\n  }\n  \n  // \u30EA\u30BB\u30C3\u30C8\u6A5F\u80FD\n  svg.on(\"dblclick\", function() {\n      node.classed(\"dimmed\", false);\n      node.classed(\"highlighted\", false);\n      link.classed(\"dimmed\", false);\n      link.classed(\"highlighted\", false);\n  });\n  \n  // \u30B3\u30F3\u30C8\u30ED\u30FC\u30EB\u30DC\u30BF\u30F3\n  d3.select(\"#reset-zoom\").on(\"click\", () => {\n      svg.transition()\n          .duration(750)\n          .call(zoom.transform, d3.zoomIdentity);\n  });\n  \n  d3.select(\"#center-graph\").on(\"click\", () => {\n      const bounds = g.node().getBBox();\n      const fullWidth = width;\n      const fullHeight = height;\n      const widthScale = fullWidth / bounds.width;\n      const heightScale = fullHeight / bounds.height;\n      const scale = 0.8 * Math.min(widthScale, heightScale);\n      const translate = [\n          fullWidth / 2 - scale * (bounds.x + bounds.width / 2),\n          fullHeight / 2 - scale * (bounds.y + bounds.height / 2)\n      ];\n      \n      svg.transition()\n          .duration(750)\n          .call(zoom.transform, d3.zoomIdentity\n              .translate(translate[0], translate[1])\n              .scale(scale));\n  });\n  \n  // \u60C5\u5831\u66F4\u65B0\n  d3.select(\"#node-count\").text(graphData.nodes.length);\n  d3.select(\"#edge-count\").text(graphData.links.length);\n    </script>\n</body>\n</html>\n  HTML\n  \n  html_content\nend\n"