Disable ButtonGroup

erikBarthelmann · August 16, 2021, 12:23pm

Hello,

I have an Optional Input Port and I’m trying to disable a DialogComponentButoonGroup when there is no Input Table. But it seems like i can’t disable the ButtonGroup by disabling the SettingsModel. I even tried iterating over all Buttons of the Group and disableing them one by one instaed of disableing the SettingsModel but it didn’t have any effect. Am I missing something or doing something completly wrong?

gab1one · August 30, 2021, 9:51am

Hi @erikBarthelmann,

please excuse the late reply, I just back from my vacation.

You need to call the setEnabledComponents method:

github.com

knime/knime-core/blob/master/org.knime.core/src/eclipse/org/knime/core/node/defaultnodesettings/DialogComponentButtonGroup.java#L427

    
      
          @Override
          protected void checkConfigurabilityBeforeLoad(
                  final PortObjectSpec[] specs) {
              //nothing to check
          }
          
          
/**
           * {@inheritDoc}
           */
          @Override
          protected void setEnabledComponents(final boolean enabled) {
              final Enumeration<AbstractButton> buttons = m_buttonGroup.getElements();
              while (buttons.hasMoreElements()) {
                  buttons.nextElement().setEnabled(enabled);
              }
          }
          
          
/**
           * {@inheritDoc}
           */
          @Override

best,
Gabriel