Update templates/gui.html

templates/gui.html

@@ -9,9 +9,20 @@
 
     <h2>PDF Viewer</h2>
 
+    <label for="page">Enter Page Number:</label>
+    <input id="page" type="number" min="1">
+    <button onclick="openPdf()">View PDF</button>
+
     <script>
-        // Redirect to the PDF URL in the current tab
-        window.location.href = '/download-pdf';
+        function openPdf() {
+            const pageNumber = document.getElementById('page').value;
+            if (pageNumber && parseInt(pageNumber) > 0) {
+                // Redirect to the Flask route with page query parameter
+                window.location.href = `/view-pdf?page=${pageNumber}`;
+            } else {
+                alert('Please enter a valid page number');
+            }
+        }
     </script>
 
 </body>