How do I add items to GWT ListBox in Uibinder .ui.xml template ?

Question

How to add the listbox items using UiBinder?

Answer 1

This is a listbox of translations of an enumeration, I suppose this also works for a listbox with string values (version of GWT: 2.1.0)

You only need the renderer for translating the enumeration values.

//UI XML

//JAVA CODE

 @UiField(provided = true)
 ValueListBox requesterType = new ValueListBox(requesterTypeRenderer);

 static EnumRenderer requesterTypeRenderer = new EnumRenderer();

 public Constructor() {
     requesterTypeRenderer.setEmptyValue(Translations.translateEmptyValue(RequesterType.class));
     requesterType.setAcceptableValues(Arrays.asList(EnumUtil.getRequesterTypes()));
 }

---

 /**
  * Translates enum entries. Use setEmptyValue() if you want to have a custom empty value. Default empty value is "".
  * 
  * @param 
  *            an enumeration entry which is to be registered in {@link Translations}
  */

public class EnumRenderer> extends AbstractRenderer {

   private String emptyValue = "";

   @Override
   public String render(T object) {
       if (object == null)
           return emptyValue;
       return Translations.translate(object);
   }

   public void setEmptyValue(String emptyValue) {
       this.emptyValue = emptyValue;
   }

}