DescriptorManager


1   /* *****************************************************************************
2    * NightLabs Editor2D - Graphical editor framework                             *
3    * Copyright (C) 2004-2005 NightLabs - http://NightLabs.org                    *
4    *                                                                             *
5    * This library is free software; you can redistribute it and/or               *
6    * modify it under the terms of the GNU Lesser General Public                  *
7    * License as published by the Free Software Foundation; either                *
8    * version 2.1 of the License, or (at your option) any later version.          *
9    *                                                                             *
10   * This library 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 GNU           *
13   * Lesser General Public License for more details.                             *
14   *                                                                             *
15   * You should have received a copy of the GNU Lesser General Public            *
16   * License along with this library; if not, write to the                       *
17   *     Free Software Foundation, Inc.,                                         *
18   *     51 Franklin St, Fifth Floor,                                            *
19   *     Boston, MA  02110-1301  USA                                             *
20   *                                                                             *
21   * Or get it online :                                                          *
22   *     http://www.gnu.org/copyleft/lesser.html                                 *
23   *                                                                             *
24   *                                                                             *
25   ******************************************************************************/
26  package org.nightlabs.editor2d.viewer.descriptor;
27  
28  import java.util.HashMap  ;
29  import java.util.Map  ;
30  
31  import org.nightlabs.editor2d.DrawComponent;
32  
33  /**
34   * @author Daniel.Mazurek <at> NightLabs <dot> de
35   *
36   */
37  public class DescriptorManager 
38  //implements IDrawComponentDescriptor
39  {
40  
41      public DescriptorManager() 
42      {
43          super();
44          addDescriptor(defaultDescriptor, DrawComponent.class);
45      }
46  
47      protected IDrawComponentDescriptor defaultDescriptor = new DrawComponentDescriptor(null);
48      protected IDrawComponentDescriptor currentDescriptor = defaultDescriptor; 
49          
50      protected Map  <Class  , IDrawComponentDescriptor> class2Descriptor = new HashMap  <Class  , IDrawComponentDescriptor>();
51      public void addDescriptor(IDrawComponentDescriptor desc, Class   dcClass) {
52          class2Descriptor.put(dcClass, desc);
53      }
54          
55      protected DrawComponent drawComponent = null;   
56      public void setDrawComponent(DrawComponent dc) 
57      {
58          this.drawComponent = dc;        
59          if (class2Descriptor.keySet().contains(dc.getClass())) {
60              IDrawComponentDescriptor desc = class2Descriptor.get(dc.getClass());
61              currentDescriptor = desc;
62          }
63          else {
64              currentDescriptor = defaultDescriptor;
65          }
66          currentDescriptor.setDrawComponent(dc);
67      }
68      public DrawComponent getDrawComponent() {
69          return drawComponent;
70      }
71      
72      public String   getEntriesAsString(boolean lineWrap) {
73          return currentDescriptor.getEntriesAsString(lineWrap);
74      }
75      
76      public Map  <String  , String  > getProperties() {
77          return currentDescriptor.getProperties();
78      }
79        
80  }
81
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