How to use

register

method

in

de.mhus.lib.core.MObserverHandler

public AbstractSectionsPanel() {
  selector = new SectionsSelector();
  this.addComponent(selector);
  
  content = new Panel();
  this.addComponent(content);
  content.setSizeFull();
  setExpandRatio(content, 1.0f);
  
  selector.eventHandler().register(this);
}

public AbstractSectionsPanel() {
  selector = new SectionsSelector();
  this.addComponent(selector);
  
  content = new Panel();
  this.addComponent(content);
  content.setSizeFull();
  setExpandRatio(content, 1.0f);
  
  selector.eventHandler().register(this);
}