VerticalPanel searchPanel = new VerticalPanel();
searchPanel.setStyleName("fill-layout-width");
IndexSuggestOracle oracle = new IndexSuggestOracle(this.index);
TextBox textBox = new TextBox();
textBox.getElement().setAttribute("placeholder", Console.CONSTANTS.search_placeholder());
searchBox = new SuggestBox(oracle, textBox);
searchBox.addSelectionHandler(new SelectionHandler<SuggestOracle.Suggestion>() {
@Override
public void onSelection(final SelectionEvent<SuggestOracle.Suggestion> event) {
hide();
DocumentSuggestion suggestion = (DocumentSuggestion) event.getSelectedItem();