PropertyEditorTarget


1   package org.apache.ojb.tools.mapping.reversedb2.propertyEditors;
2   /* Copyright 2002-2005 The Apache Software Foundation
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  import java.beans.PropertyChangeListener  ;
18  
19  
20  /**
21   * This interface specifies that the class has editable properties for a 
22   * property editor. The typical application for this is a tree where you
23   * can select objects and edit settings in another panel.
24   *
25   * The properties of the target are exposed by getAttribute() and setAttribute().
26   * If you want to monitor a property for changes, you can register a PropertyChangeListener
27   * either for all properties or a specific one.
28   *
29   * @author <a HREF="mailto:bfl@florianbruckner.com">Florian Bruckner</a> 
30   * @version $Id: PropertyEditorTarget.java,v 1.1.2.1 2005/12/21 22:33:27 tomdz Exp $
31   */
32  public interface PropertyEditorTarget
33  {
34      /**
35       * Return the property editor class for this PropertyEditorTarget. Depending
36       * on the GUI implementation this could for example be an extension of 
37       * JPanel. The Property editor is responsible for the layout, so the property
38       * editor has to know which properties this target has.
39       */
40      public Class   getPropertyEditorClass();
41      
42      /**
43       * Returns a property
44       */
45      public Object   getAttribute(String   key);
46      
47      /**
48       * Stores a property
49       */
50      public void setAttribute(String   key, Object   value);
51      
52      public void addPropertyChangeListener (PropertyChangeListener   listener);
53      
54      public void addPropertyChangeListener (String   propertyName, PropertyChangeListener   listener);
55      
56      public void removePropertyChangeListener (PropertyChangeListener   listener);
57      
58      public void removePropertyChangeListener (String   propertyName, PropertyChangeListener   listener);    
59  }
60
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