Package org.opencms.ade.contenteditor.client

Class CmsEntityObserver

java.lang.Object

org.opencms.ade.contenteditor.client.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 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

Modifier and Type	Method	Description
void	addEntityChangeListener(I_CmsEntityChangeListener changeListener, 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 Details

CmsEntityObserver

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

Constructor.

Parameters:

entity - the entity to observe

Method Details

addEntityChangeListener

public void addEntityChangeListener(I_CmsEntityChangeListener changeListener,
 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