Package org.opencms.ade.contenteditor.client

Class CmsEntityObserver

  • All Implemented Interfaces:
    com.google.gwt.event.logical.shared.ValueChangeHandler<org.opencms.acacia.shared.CmsEntity>, com.google.gwt.event.shared.EventHandler
    public class CmsEntityObserver
extends java.lang.Object
implements com.google.gwt.event.logical.shared.ValueChangeHandler<org.opencms.acacia.shared.CmsEntity>
    Observer for content entities, used to notify listeners of entity changes.

    • Constructor Summary

      Constructors 
      Constructor Description
      CmsEntityObserver​(org.opencms.acacia.shared.CmsEntity entity)
      Constructor.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addEntityChangeListener​(I_CmsEntityChangeListener changeListener, java.lang.String changeScope)
      Adds an entity change listener for the given scope.
      void clear()
      Removes this observer from the entities change handler registration and clears registered listeners.
      void onValueChange​(com.google.gwt.event.logical.shared.ValueChangeEvent<org.opencms.acacia.shared.CmsEntity> event)  
      protected void safeExecuteChangeListener​(org.opencms.acacia.shared.CmsEntity entity, I_CmsEntityChangeListener listener)
      Calls an entity change listener, catching any errors.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • CmsEntityObserver

        public CmsEntityObserver​(org.opencms.acacia.shared.CmsEntity entity)
        Constructor.

        Parameters:
        entity - the entity to observe

    • Method Detail

      • addEntityChangeListener

        public void addEntityChangeListener​(I_CmsEntityChangeListener changeListener,
                                    java.lang.String changeScope)
        Adds an entity change listener for the given scope.

        Parameters:
        changeListener - the change listener
        changeScope - the change scope

      • clear

        public void clear()
        Removes this observer from the entities change handler registration and clears registered listeners.

      • onValueChange

        public void onValueChange​(com.google.gwt.event.logical.shared.ValueChangeEvent<org.opencms.acacia.shared.CmsEntity> event)
        Specified by:
        onValueChange in interface com.google.gwt.event.logical.shared.ValueChangeHandler<org.opencms.acacia.shared.CmsEntity>
        See Also:
        ValueChangeHandler.onValueChange(com.google.gwt.event.logical.shared.ValueChangeEvent)

      • safeExecuteChangeListener

        protected void safeExecuteChangeListener​(org.opencms.acacia.shared.CmsEntity entity,
                                         I_CmsEntityChangeListener listener)
        Calls an entity change listener, catching any errors.

        Parameters:
        entity - the entity with which the change listener should be called
        listener - the change listener