ext-apps/examples/pdf-server/mcp-app.html at 33ceaa2dbd195217151607ef46c97e012854f72a · modelcontextprotocol/ext-apps · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>PDF Viewer</title>
  </head>
  <body>
    <div class="main">
      <!-- Loading State -->
      <div id="loading" class="loading">
        <div class="spinner"></div>
        <p id="loading-text">Loading PDF...</p>
      </div>

      <!-- Error State -->
      <div id="error" class="error" style="display: none">
        <div class="error-icon">⚠️</div>
        <p id="error-message">An error occurred</p>
      </div>

      <!-- Elicitation State: app asks user for input on behalf of the server -->
      <div id="elicitation" class="elicitation" style="display: none">
        <p id="elicitation-message" class="elicitation-message"></p>
        <input
          id="elicitation-url"
          type="url"
          class="elicitation-input"
          placeholder="https://arxiv.org/pdf/1706.03762"
          autocomplete="url"
        />
        <div class="elicitation-actions">
          <button id="elicitation-submit" class="elicitation-btn elicitation-btn-primary">Open PDF</button>
          <button id="elicitation-cancel" class="elicitation-btn elicitation-btn-secondary">Cancel</button>
        </div>
      </div>

      <!-- PDF Viewer -->
      <div id="viewer" class="viewer" style="display: none">
        <!-- Toolbar -->
        <div class="toolbar">
          <div class="toolbar-left">
            <span id="pdf-title" class="pdf-title">Document</span>
            <div id="loading-indicator" class="loading-indicator" style="display: none"
                 title="Loading pages...">
              <svg viewBox="0 0 20 20" width="14" height="14">
                <circle class="loading-indicator-bg" cx="10" cy="10" r="8"/>
                <circle class="loading-indicator-arc" cx="10" cy="10" r="8"/>
              </svg>
            </div>
          </div>
          <div class="toolbar-center">
            <button id="prev-btn" class="nav-btn" title="Previous page (←)">
              ◀
            </button>
            <div class="page-nav">
              <input
                id="page-input"
                type="number"
                class="page-input"
                min="1"
                value="1"
                title="Go to page"
              />
              <span id="total-pages" class="total-pages">of 1</span>
            </div>
            <button id="next-btn" class="nav-btn" title="Next page (→)">
              ▶
            </button>
          </div>
          <div class="toolbar-right">
            <button id="zoom-out-btn" class="zoom-btn" title="Zoom out (-)">
              −
            </button>
            <span id="zoom-level" class="zoom-level">100%</span>
            <button id="zoom-in-btn" class="zoom-btn" title="Zoom in (+)">
              +
            </button>
            <button
              id="search-btn"
              class="search-btn"
              title="Search (Ctrl+F)"
            ></button>
            <button
              id="fullscreen-btn"
              class="fullscreen-btn"
              title="Toggle fullscreen"
            >
              ⛶
            </button>
          </div>
        </div>
        <!-- Search bar below toolbar, right-aligned -->
        <div id="search-bar" class="search-bar" style="display: none">
          <input
            id="search-input"
            class="search-input"
            type="text"
            placeholder="Search..."
            autocomplete="off"
          />
          <span id="search-match-count" class="search-match-count"></span>
          <button
            id="search-prev-btn"
            class="search-nav-btn"
            title="Previous (Shift+Enter)"
          >
            &#x25B2;
          </button>
          <button
            id="search-next-btn"
            class="search-nav-btn"
            title="Next (Enter)"
          >
            &#x25BC;
          </button>
          <button
            id="search-close-btn"
            class="search-nav-btn"
            title="Close (Esc)"
          >
            &#x2715;
          </button>
        </div>

        <!-- Single Page Canvas Container -->
        <div class="canvas-container">
          <div class="page-wrapper">
            <canvas id="pdf-canvas"></canvas>
            <div id="highlight-layer" class="highlight-layer"></div>
            <div id="text-layer" class="text-layer"></div>
          </div>
        </div>
      </div>
    </div>

    <script type="module" src="./src/mcp-app.ts"></script>
  </body>
</html>