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1   /**********************************************
2    * Copyright (C) 2009 Lukas Laag
3    * This file is part of Vectomatic.
4    * 
5    * Vectomatic is free software: you can redistribute it and/or modify
6    * it under the terms of the GNU General Public License as published by
7    * the Free Software Foundation, either version 3 of the License, or
8    * (at your option) any later version.
9    * 
10   * Vectomatic is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   * GNU General Public License for more details.
14   * 
15   * You should have received a copy of the GNU General Public License
16   * along with Vectomatic.  If not, see http://www.gnu.org/licenses/
17   **********************************************/
18  package org.vectomatic.client.rep;
19  
20  import java.util.ArrayList;
21  import java.util.List;
22  
23  import org.vectomatic.client.rep.events.IClipBoardListener;
24  
25  /**
26   * Application clipboard class
27   */
28  public class ClipBoard {
29  	private Object _content;
30  	private List<IClipBoardListener> _clipBoardListeners;
31  
32  	public void addShapeSelectionListener(IClipBoardListener listener) {
33  		if (_clipBoardListeners == null) {
34  			_clipBoardListeners = new ArrayList<IClipBoardListener>();
35  		}
36  		_clipBoardListeners.add(listener);
37  	}
38  	
39  	public void removeClipBoardListener(IClipBoardListener listener) {
40  		if (_clipBoardListeners != null) {
41  			_clipBoardListeners.remove(listener);
42  		}
43  	}
44  	
45  	public void fireClipBoardHasChanged() {
46  		if (_clipBoardListeners != null) {
47  			for (int i = 0, size = _clipBoardListeners.size(); i < size; i++) {
48  				IClipBoardListener listener = _clipBoardListeners.get(i);
49  				listener.clipBoardChanged(this);
50  			}
51  		}
52  	}
53  
54  	public Object getContent() {
55  		return _content;
56  	}
57  	public void setContent(Object content) {
58  		_content = content;
59  		fireClipBoardHasChanged();
60  	}
61  }