I need to create a SuggestBox that will show all options on pressing
the Enter key.
I have written the following implementation, and it seems to be
working fine.
I would like someone to review my implementation and let me know if it
will cause problems in any particular scenario.
Also, the SuggestOracle to be passed to this SuggestBox should have
the default suggestions set, by calling the method
setDefaultSuggestions() on MultiWordSuggestOracle. Any user of my
SuggestBox should be transparent to this fact. Hence I guess I will
need to wrap (or extend) MultiWordSuggestOracle to do the default
suggestions settings. Can you please recommend what will be a good way
of doing this?
public class SuggestBoxWithAllOptions extends SuggestBox implements
KeyPressHandler {
public SuggestBoxWithAllOptions(MultiWordSuggestOracle oracle) {
super(oracle);
this.addKeyPressHandler(this);
}
@Override
public void onKeyPress(KeyPressEvent event) {
char c = event.getCharCode();
int i = this.getText().length();
if (c == KeyboardListener.KEY_ENTER && i == 0) {
/* Since the query string is null, the default suggestions
will get listed */
this.showSuggestionList();
}
}
}
/* Code for initializing the SuggestBox */
List<String> suggestions = new ArrayList<String>();
suggestions.add("Tablet");
suggestions.add("Capsule");
MultiWordSuggestOracle myOracle = new MultiWordSuggestOracle();
myOracle.addAll(suggestions );
myOracle.setDefaultSuggestionsFromText(suggestions);
SuggestBox mySuggest = new SuggestBoxWithAllOptions(myOracle);
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