yasgui-graph-plugin/demo/expand.html at main · Matdata-eu/yasgui-graph-plugin · GitHub

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<!DOCTYPE html>
<!--
  YASGUI Graph Plugin – Node Expansion Demo

  Demonstrates the double-click-to-expand feature introduced in PR #10.
  A small initial graph is shown.  Double-clicking any blue URI node
  fires a mock DESCRIBE query and merges the returned triples into the
  live vis-network graph (no full redraw, positions are preserved).

  To develop locally: npm run dev   (then open /demo/expand.html)
  For production:    npm run build
-->
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Graph Plugin – Node Expansion Demo</title>

  <style>
    * { box-sizing: border-box; }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      margin: 0;
      padding: 16px;
      background: #f5f5f5;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    h1 { margin: 0; color: #333; font-size: 22px; }

    .banner {
      background: #e8f5e9;
      border-left: 4px solid #4caf50;
      border-radius: 4px;
      padding: 10px 14px;
      font-size: 13px;
      color: #2e7d32;
      line-height: 1.6;
    }

    .banner strong { font-weight: 700; }

    .legend {
      background: white;
      border-radius: 4px;
      padding: 10px 14px;
      box-shadow: 0 1px 4px rgba(0,0,0,.08);
      font-size: 13px;
      display: flex;
      gap: 20px;
      align-items: center;
      flex-wrap: wrap;
    }

    .legend-title { font-weight: 700; color: #555; white-space: nowrap; }

    .legend-item {
      display: flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }

    .dot {
      width: 14px; height: 14px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .border-demo {
      width: 14px; height: 14px;
      border-radius: 50%;
      background: #97C2FC;
      flex-shrink: 0;
    }

    .border-loading  { border: 3px solid #ffa500; }
    .border-expanded { border: 3px solid #97C2FC; outline: 2px solid #97C2FC; }

    #log {
      background: #1e1e1e;
      color: #d4d4d4;
      font-family: 'Cascadia Code', 'Fira Code', monospace;
      font-size: 12px;
      padding: 10px 14px;
      border-radius: 4px;
      max-height: 130px;
      overflow-y: auto;
      flex-shrink: 0;
    }

    #log .ts  { color: #569cd6; margin-right: 6px; }
    #log .ok  { color: #4ec9b0; }
    #log .err { color: #f44747; }
    #log .inf { color: #9cdcfe; }

    #graph-container {
      flex: 1;
      background: white;
      border-radius: 4px;
      box-shadow: 0 2px 8px rgba(0,0,0,.1);
      overflow: hidden;
      min-height: 420px;
      position: relative;
    }
  </style>
</head>

<body>
  <h1>🔷 Node Expansion Demo</h1>

  <div class="banner">
    <strong>How it works:</strong> The initial graph shows a small social network.
    <strong>Double-click any blue URI node</strong> to fire a mock DESCRIBE query for that resource.
    New triples are merged into the graph without a full redraw – existing node positions are preserved.
    The activity log below shows each expansion event.
  </div>

  <div class="legend">
    <span class="legend-title">Node border states:</span>
    <span class="legend-item"><span class="dot border-demo border-loading"></span> Loading (DESCRIBE in flight)</span>
    <span class="legend-item"><span class="dot border-demo border-expanded"></span> Expanded (triples merged)</span>
    <span class="legend-title" style="margin-left:12px">Colors:</span>
    <span class="legend-item"><span class="dot" style="background:#97C2FC"></span> URI node</span>
    <span class="legend-item"><span class="dot" style="background:#a6c8a6ff"></span> rdf:type object</span>
    <span class="legend-item"><span class="dot" style="background:#c5c5c5ff"></span> Literal</span>
  </div>

  <div id="log"><span class="inf ts">init</span><span class="inf">Loading plugin…</span></div>
  <div id="graph-container"></div>

  <script type="module">
    /* ─── Activity log ──────────────────────────────────────────────────── */
    const logEl = document.getElementById('log');
    function addLog(msg, type = 'inf') {
      const ts = new Date().toLocaleTimeString('en', { hour12: false, hour: '2-digit', minute: '2-digit', second: '2-digit' });
      const line = document.createElement('div');
      const tsSpan = document.createElement('span');
      tsSpan.className = 'ts';
      tsSpan.textContent = ts;
      const msgSpan = document.createElement('span');
      msgSpan.className = type;
      msgSpan.textContent = msg;
      line.appendChild(tsSpan);
      line.appendChild(msgSpan);
      logEl.appendChild(line);
      logEl.scrollTop = logEl.scrollHeight;
    }

    /* ─── Initial graph data (the seed graph) ───────────────────────────── */
    /**
     * A small seed social network.
     * Only Alice and Bob are shown at first; their full data and connections
     * to colleagues / employers are returned by mock DESCRIBE queries.
     */
    const INITIAL_DATASET = {
      head: { vars: ['subject', 'predicate', 'object'] },
      results: {
        bindings: [
          // Alice
          { subject: { type: 'uri', value: 'http://example.org/alice' },
            predicate: { type: 'uri', value: 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type' },
            object:    { type: 'uri', value: 'http://xmlns.com/foaf/0.1/Person' } },
          { subject: { type: 'uri', value: 'http://example.org/alice' },
            predicate: { type: 'uri', value: 'http://xmlns.com/foaf/0.1/name' },
            object:    { type: 'literal', value: 'Alice' } },
          { subject: { type: 'uri', value: 'http://example.org/alice' },
            predicate: { type: 'uri', value: 'http://xmlns.com/foaf/0.1/knows' },
            object:    { type: 'uri', value: 'http://example.org/bob' } },

          // Bob
          { subject: { type: 'uri', value: 'http://example.org/bob' },
            predicate: { type: 'uri', value: 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type' },
            object:    { type: 'uri', value: 'http://xmlns.com/foaf/0.1/Person' } },
          { subject: { type: 'uri', value: 'http://example.org/bob' },
            predicate: { type: 'uri', value: 'http://xmlns.com/foaf/0.1/name' },
            object:    { type: 'literal', value: 'Bob' } },
        ],
      },
      prefixes: {
        ex:   'http://example.org/',
        foaf: 'http://xmlns.com/foaf/0.1/',
        rdf:  'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
        org:  'http://www.w3.org/ns/org#',
        xsd:  'http://www.w3.org/2001/XMLSchema#',
      },
    };

    /* ─── Mock DESCRIBE responses ────────────────────────────────────────── */
    /**
     * These strings simulate what a real SPARQL endpoint would return for
     * DESCRIBE <uri> queries.  Each value is an RDF graph in Turtle format.
     */
    const MOCK_DESCRIBE_DATA = {
      'http://example.org/alice': `
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix org: <http://www.w3.org/ns/org#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://example.org/alice> foaf:mbox "alice@example.org" ;
    foaf:age "30"^^xsd:integer ;
    org:memberOf <http://example.org/acme-corp> ;
    foaf:knows <http://example.org/carol> .

<http://example.org/acme-corp> rdf:type org:Organization ;
    rdfs:label "ACME Corporation" .

<http://example.org/carol> foaf:name "Carol" .
`,

      'http://example.org/bob': `
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix org: <http://www.w3.org/ns/org#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://example.org/bob> foaf:mbox "bob@example.org" ;
    foaf:age "28"^^xsd:integer ;
    org:memberOf <http://example.org/acme-corp> ;
    foaf:knows <http://example.org/dave> .

<http://example.org/dave> foaf:name "Dave" ;
    rdf:type foaf:Person .
`,

      'http://example.org/carol': `
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix org: <http://www.w3.org/ns/org#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

<http://example.org/carol> rdf:type foaf:Person ;
    foaf:mbox "carol@example.org" ;
    foaf:knows <http://example.org/dave> ;
    org:memberOf <http://example.org/tech-startup> .

<http://example.org/tech-startup> rdfs:label "TechStart Inc." .
`,

      'http://example.org/dave': `
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix org: <http://www.w3.org/ns/org#> .

<http://example.org/dave> foaf:mbox "dave@example.org" ;
    foaf:knows <http://example.org/alice> ;
    org:memberOf <http://example.org/tech-startup> .
`,

      'http://example.org/acme-corp': `
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix org: <http://www.w3.org/ns/org#> .

<http://example.org/acme-corp> foaf:homepage <https://example.org/acme> ;
    org:hasMember <http://example.org/alice> , <http://example.org/bob> .
`,

      'http://example.org/tech-startup': `
@prefix org: <http://www.w3.org/ns/org#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

<http://example.org/tech-startup> rdf:type org:Organization ;
    org:hasMember <http://example.org/carol> , <http://example.org/dave> .
`,
    };

    /* ─── Mock executeQuery ─────────────────────────────────────────────── */
    /**
     * Simulates yasr.executeQuery().
     * Parses the URI from the DESCRIBE query string and returns a mock response
     * in Fetch API style ({ text: async () => turtleString }).
     * An artificial 600 ms delay makes the orange loading border visible.
     */
    function mockExecuteQuery(query, _options) {
      const match = query.match(/DESCRIBE\s+<([^>]+)>/i);
      const uri = match ? match[1] : null;
      addLog(`⟶ DESCRIBE <${uri}>`, 'inf');

      return new Promise((resolve) => {
        setTimeout(() => {
          const data = MOCK_DESCRIBE_DATA[uri];
          if (data) {
            const tripleCount = data.trim().split('\n').filter(l => l.trim() && !l.trim().startsWith('@prefix') && !l.trim().startsWith('#')).length;
            addLog(`⟵ ~${tripleCount} triples returned for <${uri}> (Turtle format)`, 'ok');
            resolve({ text: async () => data });
          } else {
            addLog(`⟵ No mock data for <${uri}> – returning empty result`, 'err');
            resolve({ text: async () => '' });
          }
        }, 600);
      });
    }

    /* ─── Bootstrap ─────────────────────────────────────────────────────── */
    (async () => {
      // Load plugin using the Vite alias configured in vite.config.ts.
      // In dev mode this resolves to src/index.ts; in a production build
      // it resolves to the built bundle.
      let GraphPlugin;
      try {
        const module = await import('@matdata/yasgui-graph-plugin');
        GraphPlugin = module.default;
        addLog('Plugin loaded', 'ok');
      } catch (e) {
        addLog(`Failed to load plugin: ${e.message}`, 'err');
        return;
      }

      // Build mock YASR with executeQuery wired to mock data
      const mockYasr = {
        config: { pluginsOptions: { Graph: {} } },
        results: {
          getBindings: () => INITIAL_DATASET.results.bindings,
          head: INITIAL_DATASET.head,
          results: INITIAL_DATASET.results,
        },
        resultsEl: document.getElementById('graph-container'),
        getPrefixes: () => INITIAL_DATASET.prefixes,
        executeQuery: mockExecuteQuery,
      };

      const plugin = new GraphPlugin(mockYasr);
      await plugin.draw();

      const tripleCount = INITIAL_DATASET.results.bindings.length;
      addLog(`Initial graph drawn – ${tripleCount} triples, ${Object.keys(MOCK_DESCRIBE_DATA).length} mock DESCRIBE responses available`, 'ok');
      addLog('Double-click any blue URI node to expand it', 'inf');
    })();
  </script>
</body>

</html>