How to use

MObserverHandler

in

de.mhus.lib.core

public Section setSelected(String name) {
  eventHandler.fireChanged(new Event(this,EVENTS.SECTION_CHANGEING,getSection(name)));
  Section sel = null;
  synchronized (sections) {
    for (Section section : sections) {
      if (section.getName().equals(name)) {
        section.setSelected(true);
        sel = section;
      } else {
        section.setSelected(false);
      }
          
    }
  }
  eventHandler.fireChanged(new Event(this,EVENTS.SECTION_CHANGED,getSection(name)));
  return sel;
}
  

public void fireChanged(Object event) {
  fire(event);
}

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);
}

public Section setSelected(String name) {
  eventHandler.fireChanged(new Event(this,EVENTS.SECTION_CHANGEING,getSection(name)));
  Section sel = null;
  synchronized (sections) {
    for (Section section : sections) {
      if (section.getName().equals(name)) {
        section.setSelected(true);
        sel = section;
      } else {
        section.setSelected(false);
      }
          
    }
  }
  eventHandler.fireChanged(new Event(this,EVENTS.SECTION_CHANGED,getSection(name)));
  return sel;
}
  

public Section addSection(String name, String title, Object userData) {
  Section section = getSection(name);
  if (section != null) {
    section.setTitle(title);
    if (userData != null) section.setUserData(userData);
    eventHandler.fireChanged(new Event(this,EVENTS.UPDATED,section));
  } else {
    section = new Section(name,title);
    section.setUserData(userData);
    eventHandler.fireChanged(new Event(this,EVENTS.ADDED,section));
    if (autoSelect) {
      if (sections.size() == 1) { // first one
        setSelected(name);
      }
    }
  }
  return section;
}

public Section addSection(String name, String title, Object userData) {
  Section section = getSection(name);
  if (section != null) {
    section.setTitle(title);
    if (userData != null) section.setUserData(userData);
    eventHandler.fireChanged(new Event(this,EVENTS.UPDATED,section));
  } else {
    section = new Section(name,title);
    section.setUserData(userData);
    eventHandler.fireChanged(new Event(this,EVENTS.ADDED,section));
    if (autoSelect) {
      if (sections.size() == 1) { // first one
        setSelected(name);
      }
    }
  }
  return section;
}

public Section removeSection(String name) {
  Section sec = getSection(name);
  if (autoSelect && sec.isSelected()) {
    synchronized (sections) {
      for (Section section : sections) {
        if (section.isEnabled()) {
          setSelected(section.getName());
          break;
        }
      }
    }
  }
  synchronized (sections) {
    if (sec == null) return null;
    sections.remove(sec);
  }
  
  
  eventHandler.fireChanged(new Event(this,EVENTS.REMOVED,sec));
  return sec;
}

public Section removeSection(String name) {
  Section sec = getSection(name);
  if (autoSelect && sec.isSelected()) {
    synchronized (sections) {
      for (Section section : sections) {
        if (section.isEnabled()) {
          setSelected(section.getName());
          break;
        }
      }
    }
  }
  synchronized (sections) {
    if (sec == null) return null;
    sections.remove(sec);
  }
  
  
  eventHandler.fireChanged(new Event(this,EVENTS.REMOVED,sec));
  return sec;
}