How to use

setChecked

method

in

org.eclipse.jdt.internal.ui.javaeditor.ToggleBreadcrumbAction

@Override
public void propertyChange(PropertyChangeEvent event) {
  if (event.getProperty().equals(getPreferenceKey()))
    setChecked(Boolean.valueOf(event.getNewValue().toString()).booleanValue());
}

@Override
public void propertyChange(PropertyChangeEvent event) {
  if (event.getProperty().equals(getPreferenceKey()))
    setChecked(Boolean.valueOf(event.getNewValue().toString()).booleanValue());
}

public void update() {
  if (fStore == null) {
    fStore= JavaPlugin.getDefault().getPreferenceStore();
    fStore.addPropertyChangeListener(this);
  }
  String key= getPreferenceKey();
  setChecked(key != null && fStore.getBoolean(key));
  setEnabled(true);
}

public void update() {
  if (fStore == null) {
    fStore= JavaPlugin.getDefault().getPreferenceStore();
    fStore.addPropertyChangeListener(this);
  }
  String key= getPreferenceKey();
  setChecked(key != null && fStore.getBoolean(key));
  setEnabled(true);
}