org.argeo.cms.ux/src/org/argeo/cms/ux/AbstractCmsEditable.java

   1 package org.argeo.cms.ux;
   2
   3 import java.util.IdentityHashMap;
   4
   5 import org.argeo.api.cms.ux.CmsEditable;
   6 import org.argeo.api.cms.ux.CmsEditionEvent;
   7 import org.argeo.api.cms.ux.CmsEditionListener;
   8
   9 public abstract class AbstractCmsEditable implements CmsEditable {
  10         private IdentityHashMap<CmsEditionListener, Object> listeners = new IdentityHashMap<>();
  11
  12         protected void notifyListeners(CmsEditionEvent e) {
  13                 if (CmsEditionEvent.START_EDITING == e.getType()) {
  14                         for (CmsEditionListener listener : listeners.keySet())
  15                                 listener.editionStarted(e);
  16                 } else if (CmsEditionEvent.STOP_EDITING == e.getType()) {
  17                         for (CmsEditionListener listener : listeners.keySet())
  18                                 listener.editionStopped(e);
  19                 } else {
  20                         throw new IllegalArgumentException("Unkown edition event type " + e.getType());
  21                 }
  22         }
  23
  24         @Override
  25         public void addCmsEditionListener(CmsEditionListener listener) {
  26                 listeners.put(listener, new Object());
  27         }
  28
  29         @Override
  30         public void removeCmsEditionListener(CmsEditionListener listener) {
  31                 listeners.remove(listener, new Object());
  32         }
  33
  34 }