Bug 310685 [LinkedResources] The 'File System' import wizard has inconsistent widget selection
Tn the 'File System" import wizard, having the "Create complete folder structure" option button set must cause the "Create virtual folders" to be set as well in the "Advanced" section, since this option creates a partial hierarchy and cannot create only a top level link folder.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
result.getFiles(provider);
        return dummyParent;
    }
    /**
     *	Create the import source specification widgets
     */
    protected void createSourceGroup(Composite parent) {
        createRootDirectoryGroup(parent);
        createFileSelectionGroup(parent);
        createButtonsGroup(parent);
    }
    /**
     * Enable or disable the button group.
     */
    protected void enableButtonGroup(boolean enable) {
        selectTypesButton.setEnabled(enable);
        selectAllButton.setEnabled(enable);
        deselectAllButton.setEnabled(enable);
    }
    /**
     *	Answer a boolean indicating whether the specified source currently exists
     *	and is valid
     */
    protected boolean ensureSourceIsValid() {
        if (new File(getSourceDirectoryName()).isDirectory()) {
			return true;
		}
        setErrorMessage(DataTransferMessages.FileImport_invalidSource);
        return false;
    }