AddSynonymPopup.java 文件源码

@Override
  public void onKeyUp(KeyUpEvent event) {
if(addButton.isEnabled() && 
        (synonymField.getValue().trim().length() == 0 ||
        (sourceDropBox.getSelectedIndex() > 0 && referenceIdField.getValue().trim().length() == 0))) {
    addButton.setEnabled(false);
} else if(!addButton.isEnabled() &&
        synonymField.getValue().trim().length() > 0 && 
        (sourceDropBox.getSelectedIndex() == 0 || referenceIdField.getValue().trim().length() > 0)) {
    addButton.setEnabled(true);
}
  }