package com.zycus.dotproject.ui.component;
/*
* %W% %E%
*
* Copyright 1997, 1998 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any
* kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
* EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY
* DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT OF OR
* RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE OR
* ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE
* FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT,
* SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF
* THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or
* maintenance of any nuclear facility.
*/
import java.util.EventObject;
import javax.swing.CellEditor;
import javax.swing.event.CellEditorListener;
import javax.swing.event.ChangeEvent;
import javax.swing.event.EventListenerList;
/**
* @version %I% %G%
*
* A base class for CellEditors, providing default implementations for
* all methods in the CellEditor interface and support for managing a
* series of listeners.
*
* @author Philip Milne
*/
public class AbstractCellEditor implements CellEditor {
protected EventListenerList listenerList = new EventListenerList();
public Object getCellEditorValue() {
return null;
}
public boolean isCellEditable(EventObject e) {
return true;
}
public boolean shouldSelectCell(EventObject anEvent) {
return false;
}
public boolean stopCellEditing() {
return true;
}
public void cancelCellEditing() {
}
public void addCellEditorListener(CellEditorListener l) {
listenerList.add(CellEditorListener.class, l);
}
public void removeCellEditorListener(CellEditorListener l) {
listenerList.remove(CellEditorListener.class, l);
}
/**
* Notify all listeners that have registered interest for notification on
* this event type.
*
* @see EventListenerList
*/
protected void fireEditingStopped() {
// Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length - 2; i >= 0; i -= 2) {
if (listeners[i] == CellEditorListener.class) {
((CellEditorListener) listeners[i + 1]).editingStopped(new ChangeEvent(this));
}
}
}
/**
* Notify all listeners that have registered interest for notification on
* this event type.
*
* @see EventListenerList
*/
protected void fireEditingCanceled() {
// Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length - 2; i >= 0; i -= 2) {
if (listeners[i] == CellEditorListener.class) {
((CellEditorListener) listeners[i + 1]).editingCanceled(new ChangeEvent(this));
}
}
}
}