@Override
public void dispose() {
PropertiesComponent instance = PropertiesComponent.getInstance();
instance.setValue(PROP_SORTED, Boolean.toString(isAlphabeticallySorted()));
instance.setValue(PROP_SHOWCLASSES, Boolean.toString(myShowClasses));
if (myCopyJavadocCheckbox != null) {
instance.setValue(PROP_COPYJAVADOC, Boolean.toString(myCopyJavadocCheckbox.isSelected()));
}
final Container contentPane = getContentPane();
if (contentPane != null) {
contentPane.removeAll();
}
mySelectedNodes.clear();
myElements = null;
super.dispose();
}
