@Override
protected void moveSelectionDown() {
// Make sure that the menu is actually showing and focus the selected item
if (suggestionPopup != null && suggestionPopup.isShowing()) {
suggestionsTable.focusItemByIndex(suggestionsTable.getSelectedItemIndex());
if (suggestionsTable.getSelectedItemIndex() == 0) {
Scheduler.get()
.scheduleDeferred(
new ScheduledCommand() {
@Override
public void execute() {
suggestionsTable.getElement().getParentElement().setScrollTop(0);
}
});
}
}
}
private SuggestCellTable<SearchSuggestion> getSuggestionCellList(
final Collection<SearchSuggestion> suggestions,
final SuggestBox suggestBox,
final PopupPanel suggestionPopup) {
this.suggestBox = suggestBox;
this.suggestionPopup = suggestionPopup;
// Create suggestions table
final SuggestCellTable<SearchSuggestion> suggestionsTable =
new SuggestCellTable<>(
suggestions.size(), (Resources) GWT.create(SuggestionsTableResources.class));
// Create table's column and add it to the table
SearchSuggestionColumn<SearchSuggestion> suggestColumn =
new SearchSuggestionColumn<SearchSuggestion>() {
@Override
public SearchSuggestion getValue(SearchSuggestion suggestion) {
return suggestion;
}
};
suggestionsTable.addColumn(suggestColumn);
// Create a data provider and bind it to the table
suggestionDataProvider = new ListDataProvider<>();
suggestionDataProvider.addDataDisplay(suggestionsTable);
// Add suggestions to data provider
List<SearchSuggestion> list = suggestionDataProvider.getList();
for (SearchSuggestion suggestion : suggestions) {
list.add(suggestion);
}
// Bind a selection model it to the table
suggestionsTable.setSelectionModel(new SingleSelectionModel<SearchSuggestion>());
// Set table's properties
suggestionsTable.setWidth("100%"); // $NON-NLS-1$
suggestionsTable.setRowCount(suggestions.size());
suggestionsTable.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.BOUND_TO_SELECTION);
// Add enter key press event handler
suggestionsTable.addDomHandler(
new KeyDownHandler() {
@Override
public void onKeyDown(KeyDownEvent event) {
if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
onSelect();
}
if (event.getNativeKeyCode() == KeyCodes.KEY_ESCAPE) {
hideSuggestions();
}
}
},
KeyDownEvent.getType());
// Add click event handler
suggestionsTable.addDomHandler(
new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
onSelect();
}
},
ClickEvent.getType());
return suggestionsTable;
}