squibview/examples/diff_view_live.html at main · deftio/squibview · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>SquibView - Live Diff Demo</title>
  <link rel="icon"
    href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'><circle cx='16' cy='16' r='14' fill='%23f57c00' stroke='%23000' stroke-width='1'/><path d='M2 16h28M16 2a14 14 0 0114 14 14 14 0 01-14 14a14 14 0 01-14-14A14 14 0 0116 2zm0 0v28M9 16a7 7 0 0014 0a7 7 0 00-14 0z' fill='none' stroke='%23000' stroke-width='1'/></svg>">

  <!-- External dependencies (markdown-it, diff-match-patch, tiny-emitter now bundled) -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.1/highlight.min.js"></script>
  <script src="https://unpkg.com/mermaid/dist/mermaid.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/PapaParse/5.4.1/papaparse.min.js"></script>
  <script src="https://unpkg.com/turndown@7.1.2/dist/turndown.js"></script>

  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.1/styles/default.min.css">
  <link rel="stylesheet" href="../dist/squibview.css">

  <!-- Shared example styles -->
  <link rel="stylesheet" href="examples.css">

  <script type="importmap">
  {
    "imports": {
      "markdown-it": "https://esm.sh/markdown-it@12.3.2",
      "three": "https://esm.sh/three@0.164.1",
      "three/addons/": "https://esm.sh/three@0.164.1/examples/jsm/"
    }
  }
  </script>

  <style>
    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
      margin: 0;
      padding: 20px;
      background-color: #f8f9fa;
      line-height: 1.6;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      background: white;
      border-radius: 8px;
      padding: 30px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    h1 {
      color: #333;
      margin-bottom: 10px;
    }

    h2 {
      color: #495057;
      padding-bottom: 8px;
      margin-top: 40px;
    }

    .intro {
      background: #f8f9fa;
      padding: 20px;
      border-radius: 6px;
      margin: 20px 0;
      border: 1px solid #e9ecef;
    }

    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      margin: 30px 0;
    }

    @media (max-width: 768px) {
      .comparison-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
    }

    .diff-section {
      border: 1px solid #e9ecef;
      border-radius: 6px;
      padding: 20px;
      background: #fafafa;
    }

    .diff-section h3 {
      margin-top: 0;
      color: #495057;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .badge {
      background: #2a57d3;
      color: white;
      padding: 4px 8px;
      border-radius: 12px;
      font-size: 12px;
      font-weight: 500;
    }

    .editor-section {
      margin: 30px 0;
    }

    .editor-container {
      height: 300px;
      margin: 20px 0;
      border-radius: 6px;
      overflow: hidden;
    }

    .controls {
      margin: 20px 0;
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
      align-items: center;
    }

    .controls button {
      background: #2a57d3;
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      transition: background-color 0.2s;
    }

    .controls button:hover:not(:disabled) {
      background: #1e3f8f;
    }

    .controls button:disabled {
      background: #ccc;
      cursor: not-allowed;
    }

    .controls .secondary {
      background: #6c757d;
    }

    .controls .secondary:hover:not(:disabled) {
      background: #545b62;
    }

    .controls .success {
      background: #28a745;
    }

    .controls .success:hover:not(:disabled) {
      background: #1e7e34;
    }

    .status {
      padding: 10px 15px;
      background: #d1ffda;
      border: 1px solid #28a745;
      border-radius: 4px;
      font-size: 14px;
      color: #155724;
      margin: 15px 0;
    }

    .diff-container {
      margin: 15px 0;
      border: 1px solid #ddd;
      border-radius: 6px;
      background: white;
      max-height: 400px;
      overflow: auto;
      min-height: 80px;
    }

    /* Override the internal diff container max-height to fit parent */
    .diff-container .squibview-diff,
    .diff-container .squibview-diff-inline {
      max-height: 100%;
      margin: 0;
      border: none;
      border-radius: 0;
    }

    .diff-container:empty::before {
      content: "Start editing to see live diffs";
      display: block;
      padding: 30px 20px;
      text-align: center;
      color: #6c757d;
      font-style: italic;
    }
  </style>
</head>

<body>
  <div class="container">
    <h1>SquibView Live Diff Demo</h1>
    <p><strong>Live Diff Mode:</strong> This demo shows cumulative changes as you edit. All changes are compared against your selected baseline revision.</p>

    <div class="editor-section">
      <div class="editor-container">
        <div id="editor"></div>
      </div>

      <div class="controls">
        <span style="margin-right: 10px;">Baseline:</span>
        <select id="baselineRevision" style="margin-right: 15px; padding: 8px 12px; border: 1px solid #ccc; border-radius: 6px;">
        </select>
      </div>

      <div id="status" class="status">
        Initializing...
      </div>
    </div>

    <div class="comparison-grid">
      <div class="diff-section">
        <h3>Inline Diff View</h3>
        <p>Blue additions, red deletions with strikethrough inline.</p>
        <div id="inlineDiffContainer" class="diff-container"></div>
      </div>

      <div class="diff-section">
        <h3>Side-by-Side Diff View</h3>
        <p>Traditional line-by-line comparison with color-coded backgrounds.</p>
        <div id="sideBySideDiffContainer" class="diff-container"></div>
      </div>
    </div>
  </div>

  <script type="module">
    import SquibView from '../dist/squibview.esm.js';

    // Initialize when DOM is ready
    document.addEventListener('DOMContentLoaded', () => {
      // Create the editor
      const editor = new SquibView('#editor', {
        titleShow: true,
        titleContent: "SquibView Live Diff Demo " + SquibView.version.version,
        initialContent: `# Live Diff Demo

Start editing this content to see live diffs appear automatically below.

## How it works

As you type, the diffs update in real-time, showing all changes since your selected baseline revision.

### Try these actions:
- Edit this text
- Add new sections
- Delete content
- Change formatting

The diff views below will update automatically to show your cumulative changes!`,
        initialView: 'split'
      });

      // State
      let baselineRevision = -1;

      // Update status
      function updateStatus() {
        const currentIndex = editor.revisionManager.getCurrentIndex();

        if (baselineRevision === currentIndex) {
          document.getElementById('status').innerHTML =
            '⚪ <strong>No changes yet</strong> - Start editing to see live diffs';
        } else {
          const baselineLabel = baselineRevision === -1 ? 'Initial' : `Revision ${baselineRevision + 1}`;
          const currentLabel = currentIndex === -1 ? 'Initial' : `Revision ${currentIndex + 1}`;
          document.getElementById('status').innerHTML =
            `🟢 <strong>Live diff active</strong> - Comparing ${baselineLabel} → ${currentLabel}`;
        }
      }

      // Populate baseline selector
      function populateBaselineSelect() {
        const revCount = editor.revisionManager.getRevisionCount();
        const currentIndex = editor.revisionManager.getCurrentIndex();
        const select = document.getElementById('baselineRevision');

        console.log('Populating baseline - revCount:', revCount, 'currentIndex:', currentIndex, 'current baseline:', baselineRevision);

        // Save current baseline value
        const savedBaseline = baselineRevision;

        // Clear options
        select.innerHTML = '';

        // Always include initial state
        const initialOption = new Option('Initial', '-1');
        select.add(initialOption);

        // Add all revisions up to current
        for (let i = 0; i <= currentIndex; i++) {
          const label = `Revision ${i + 1}`;
          const option = new Option(label, i.toString());
          select.add(option);
        }

        // Keep the baseline fixed - don't change it when updating options
        select.value = savedBaseline.toString();
      }

      // Show live diffs
      function showLiveDiffs() {
        try {
          const currentIndex = editor.revisionManager.getCurrentIndex();
          console.log('showLiveDiffs - currentIndex:', currentIndex, 'baselineRevision:', baselineRevision);

          // Check if comparing same revision
          if (baselineRevision === currentIndex) {
            const msg = '<div style="padding: 20px; text-align: center; color: #666;">No changes from baseline (same revision selected)</div>';
            document.getElementById('inlineDiffContainer').innerHTML = msg;
            document.getElementById('sideBySideDiffContainer').innerHTML = msg;
            return;
          }

          // Show diffs
          console.log('Showing diff from', baselineRevision, 'to', currentIndex);
          const inlineDiffHTML = editor.getSourceDiffInline({ fromIndex: baselineRevision, toIndex: currentIndex });
          document.getElementById('inlineDiffContainer').innerHTML = inlineDiffHTML;

          const sideBySideDiffHTML = editor.getSourceDiffHTML({ fromIndex: baselineRevision, toIndex: currentIndex });
          document.getElementById('sideBySideDiffContainer').innerHTML = sideBySideDiffHTML;

        } catch (e) {
          console.error('Diff error:', e);
          const errorMsg = `<div style="padding: 20px; color: #dc3545;">Error: ${e.message}</div>`;
          document.getElementById('inlineDiffContainer').innerHTML = errorMsg;
          document.getElementById('sideBySideDiffContainer').innerHTML = errorMsg;
        }
      }

      // Handle content changes - just re-render diffs
      function handleContentChange() {
        populateBaselineSelect();
        updateStatus();
        showLiveDiffs();
      }

      // Handle baseline selection change
      function handleBaselineChange() {
        baselineRevision = parseInt(document.getElementById('baselineRevision').value);
        updateStatus();
        showLiveDiffs();
      }

      // Initialize
      console.log('Initializing live diff demo');
      populateBaselineSelect();
      updateStatus();
      showLiveDiffs();

      // Event listeners
      editor.events.on('contentChanged', () => {
        console.log('Content changed event');
        handleContentChange();
      });

      document.getElementById('baselineRevision').addEventListener('change', () => {
        console.log('Baseline changed');
        handleBaselineChange();
      });

      // Fallback timer to ensure updates
      setInterval(() => {
        const currentIndex = editor.revisionManager.getCurrentIndex();
        const select = document.getElementById('baselineRevision');

        // Check if we need to update
        if (select.options.length - 1 !== currentIndex + 1) {
          console.log('Timer update: populating selects');
          populateBaselineSelect();
          updateStatus();
          showLiveDiffs();
        }
      }, 500);
    });
  </script>
</body>
</html>