Function initPreviewScene

preview.js:178–269

()

        closePreview();
      }
    });

    // Listen for 3MF preview status updates
    window.electron.on3MFPreviewStatus((requestId, message) => {
      if (requestId !== preview3mfRequestId) return;
      const loading = document.getElementById('preview-loading');
      if (loading && loading.querySelector('p')) {
        loading.querySelector('p').textContent = message;
      }
    });
  }

  // Open preview modal
  async function openPreview(filePath) {
    console.log('[Preview] openPreview called with:', filePath);
    if (preview3mfRequestId) {
      window.electron.cancel3MFPreview?.(preview3mfRequestId);
      preview3mfRequestId = null;
    }
    currentFilePath = filePath;
    currentBundleGroupRecord = null;
    hidePreviewSlicerMenu();
    const loadToken = ++previewLoadToken;
    const dialog = document.getElementById('preview-dialog');
    
    if (!dialog) {
      console.error('[Preview] preview-dialog element not found!');
      return;
    }
    const modelName = document.getElementById('preview-model-name');
    const loading = document.getElementById('preview-loading');
    const fileType = document.getElementById('preview-file-type');
    const dimensions = document.getElementById('preview-dimensions');

    // Set model name
    const fileName = filePath.split(/[/\\]/).pop();
    modelName.textContent = fileName;

    // Show loading (reset any prior error UI)
    resetPreviewLoadingUI();
    fileType.textContent = '';
    dimensions.textContent = '';
    updatePreviewSlicerButton();

    // Open dialog
    dialog.showModal();

    // Wait a bit for dialog to fully render before initializing Three.js
    await new Promise(resolve => setTimeout(resolve, 100));

    // Initialize Three.js scene
    initPreviewScene();

    // Load the model
    try {
      console.log('Starting model load...');
      await loadPreviewModel(filePath, loadToken);
      if (loadToken !== previewLoadToken) return;