File manager

web/script.js

@@ -84,6 +84,16 @@ function displayState(state) {
  document.getElementById("voltage").innerHTML = state['voltage']+' mV';
  document.getElementById("heap").innerHTML = state['heap']+' bytes free heap';
  document.getElementById("uid").innerHTML = 'Last NFC ID: '+state['uid'];
+
+ /* ==== Autofill convenience fields ==== */
+ if (state['filepath']) {
+   document.getElementById('moveFrom').value   = state['filepath'];
+   document.getElementById('deleteFile').value = state['filepath'];
+   document.getElementById('song').value       = state['filepath'];
+ }
+ if (state['uid']) {
+   document.getElementById('rfid').value = state['uid'];
+ }
  var elements = document.getElementsByClassName('play-button');
  var btn = elements[0];
 
@@ -260,3 +270,60 @@ function resetUploadForm() {
   // Clear file input
   document.getElementById('uploadFile').value = '';
 }
+
+/* ================= File Manager Functions ================= */
+
+function toggleFileManager() {
+  var fm = document.getElementById('fileManager');
+  if (fm.style.display === 'none' || fm.style.display === '') {
+    fm.style.display = 'block';
+  } else {
+    fm.style.display = 'none';
+  }
+}
+
+function moveFile() {
+  var from = document.getElementById('moveFrom').value.trim();
+  var to = document.getElementById('moveTo').value.trim();
+  if (!from || !to) {
+    alert('Please provide both source and destination paths.');
+    return;
+  }
+  var xhr = new XMLHttpRequest();
+  xhr.open('GET', '/move_file?from=' + encodeURIComponent(from) + '&to=' + encodeURIComponent(to), true);
+  xhr.onreadystatechange = function() {
+    if (xhr.readyState === 4) {
+      if (xhr.status >= 200 && xhr.status < 300) {
+        alert('File moved successfully.');
+        location.reload();
+      } else {
+        alert('Move failed: ' + (xhr.responseText || 'Unknown error'));
+      }
+    }
+  };
+  xhr.send();
+}
+
+function deleteFile() {
+  var filename = document.getElementById('deleteFile').value.trim();
+  if (!filename) {
+    alert('Please provide filename to delete.');
+    return;
+  }
+  if (!confirm('Are you sure you want to delete ' + filename + '?')) {
+    return;
+  }
+  var xhr = new XMLHttpRequest();
+  xhr.open('GET', '/delete_file?filename=' + encodeURIComponent(filename), true);
+  xhr.onreadystatechange = function() {
+    if (xhr.readyState === 4) {
+      if (xhr.status >= 200 && xhr.status < 300) {
+        alert('File deleted successfully.');
+        location.reload();
+      } else {
+        alert('Delete failed: ' + (xhr.responseText || 'Unknown error'));
+      }
+    }
+  };
+  xhr.send();
+}