org.richfaces.event.PanelToggleSource Maven / Gradle / Ivy
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* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.richfaces.event;
/**
* @author akolonitsky
* @since 2010-08-27
*/
public interface PanelToggleSource {
/**
*
* Add a new {@link PanelToggleListener} to the set of listeners interested in being notified when {@link PanelToggleEvent}s
* occur.
*
*
* @param listener The {@link PanelToggleListener} to be added
* @throws NullPointerException if listener is null
*/
void addPanelToggleListener(PanelToggleListener listener);
/**
*
* Return the set of registered {@link PanelToggleListener}s for this instance. If there are no registered listeners, a
* zero-length array is returned.
*
*/
PanelToggleListener[] getPanelToggleListeners();
/**
*
* Remove an existing {@link PanelToggleListener} (if any) from the set of listeners interested in being notified when
* {@link PanelToggleEvent}s occur.
*
*
* @param listener The {@link PanelToggleListener} to be removed
* @throws NullPointerException if listener is null
*/
void removePanelToggleListener(PanelToggleListener listener);
}