Function handleFileClick

renderer.js:13336–13456

(event, filePath)

    console.log('Thumbnail generation cancelled by user');
  };
  
  // Add event listener to stop button
  stopButton.addEventListener('click', handleStopClick);

  // When a background scan finds new models, we show the same "New Models" dialog as a foreground scan;
  // then skip the duplicate performCombinedSearch in finally (see skipBackgroundFinallyRefresh).
  let skipBackgroundFinallyRefresh = false;

  try {
    if (background) {
      window.disableGridRefresh = true;
      console.log('Background scan: grid refresh disabled');
    }
    if (!background) {
      progressSection.classList.remove('hidden');
      progressContainer.classList.remove('hidden');
      renderProgressContainer.classList.remove('hidden');
      progressBar.style.width = '0%';
      progressText.textContent = 'Gathering files...';
      stopButton.style.display = 'block';
    }

    // Use file extension to determine file type
    const isValidFile = (filename, size) => {
      const ext = filename.toLowerCase().split('.').pop();
      const maxSize = MAX_FILE_SIZE_MB * 1024 * 1024;
      return (ext === 'stl' || ext === '3mf') && size <= maxSize;
    };

    // Store scan start time for filtering newly added models
    const scanStartTime = new Date().toISOString();
    
    // Update the scan directory call to use the new validation and cancellation
    const scanOptions = isStlHomeScan ? { isStlHomeScan: true } : {};
    const scanResult = await window.electron.scanDirectory(directoryPath, scanOptions);
    const { files, totalFiles, newFilesCount, cancelScan } = scanResult || { files: [], totalFiles: 0, newFilesCount: 0 };
    
    if (isCancelled) {
      if (cancelScan) cancelScan(); // Cancel the scan if possible
      throw new Error('Operation cancelled by user.');
    }
    
    if (!files || files.length === 0) {
      if (!background) {
        progressBar.style.width = '100%';
        progressText.textContent = '';
        renderProgressBar.style.width = '100%';
        renderProgressText.textContent = '';
      }
      console.log('No files found in directory:', directoryPath);
      return; // Exit the function early instead of throwing error
    }

    console.log('Scanned files:', totalFiles);

    const allModels = await window.electron.getAllModels();
    const existingFiles = new Set(allModels.map(model => model.filePath));
    const existingThumbnails = new Map(allModels.map(model => [model.filePath, model.thumbnail]));