| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.taverna.lang.ui.treetable; |
| |
| import java.util.EventObject; |
| |
| import javax.swing.CellEditor; |
| import javax.swing.event.CellEditorListener; |
| import javax.swing.event.ChangeEvent; |
| import javax.swing.event.EventListenerList; |
| |
| 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)); |
| } |
| } |
| } |
| } |