Bug 148551 [Import/Export] Import File System Problem
When going to import some files if you choose General, then Filesystem. As you browse to the folder where you want to import items from and select it, the option to "Select All" is not available until you either select the folder or a file in the folder.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
IStatus status = op.getStatus();
        if (!status.isOK()) {
            ErrorDialog
                    .openError(getContainer().getShell(), DataTransferMessages.FileImport_importProblems,
                            null, 
                            status);
            return false;
        }
        return true;
    }
    /**
     *	The Finish button was pressed.  Try to do the required work now and answer
     *	a boolean indicating success.  If false is returned then the wizard will
     *	not close.
     *
     * @return boolean
     */
    public boolean finish() {
        if (!ensureSourceIsValid()) {
			return false;
		}
        saveWidgetValues();
        Iterator resourcesEnum = getSelectedResources().iterator();
        List fileSystemObjects = new ArrayList();
        while (resourcesEnum.hasNext()) {
            fileSystemObjects.add(((FileSystemElement) resourcesEnum.next())
                    .getFileSystemObject());
        }
        if (fileSystemObjects.size() > 0) {
			return importResources(fileSystemObjects);