public ListBoxDiscrete(ImageResource up, ImageResource down) {
this.up = up;
this.down = down;
img = new ImageButton(down, "Select...");
HorizontalPanel panel = new HorizontalPanel();
panel.add(label);
panel.add(img);
initWidget(panel);
setStylePrimaryName("SelectButton");
img.addClickHandler(this);
label.addClickHandler(this);
listTable.addChangeHandler(
new ChangeHandler() {
@Override
public void onChange(ChangeEvent event) {
if (popup != null) popup.hide();
label.setText(texts.get(listTable.getSelected()));
}
});
}
public void setSelected(T selected) {
label.setText(texts.get(selected));
listTable.setSelected(selected);
}
public T getSelected() {
return listTable.getSelected();
}
public void addChangeHandler(ChangeHandler handler) {
listTable.addChangeHandler(handler);
}
public void addItem(String text, T object) {
texts.put(object, text);
listTable.addItem(text, object);
}