code: public void setVisible(boolean visible) {
  		super.setVisible(visible);
  
  		boolean shouldValidate = false;
  
  		if (visible) {
  
  
  
  			if (groupIdCombo.getText().length() == 0 && groupIdCombo.getItemCount() > 0) {
  				groupIdCombo.setText(groupIdCombo.getItem(0));
  				packageCombo.setText(getDefaultJavaPackage());
  				packageCustomized = false;
  			}
  
  			if (shouldValidate) {
  				validate();
  			}
  		}
  	}
docs: Loads the group value when the page is displayed.