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1   package com.explosion.utilities.preferences.editandrender.table;
2   
3   /*
4    * =============================================================================
5    * 
6    * Copyright 2004 Stephen Cowx
7    * 
8    * Licensed under the Apache License, Version 2.0 (the "License"); you may not
9    * use this file except in compliance with the License. You may obtain a copy of
10   * the License at
11   * 
12   * http://www.apache.org/licenses/LICENSE-2.0
13   * 
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
17   * License for the specific language governing permissions and limitations under
18   * the License.
19   * 
20   * =============================================================================
21   */
22  
23  import java.awt.Color;
24  import java.awt.Component;
25  
26  import javax.swing.JCheckBox;
27  import javax.swing.JTable;
28  import javax.swing.table.TableCellRenderer;
29  
30  import com.explosion.utilities.preferences.Preference;
31  
32  public class BooleanPreferenceRenderer extends JCheckBox implements TableCellRenderer
33  {
34  
35      public BooleanPreferenceRenderer()
36      {
37          super();
38          setBackground(Color.WHITE);
39          //setOpaque(true); //MUST do this for background to show up.
40      }
41  
42      public Component getTableCellRendererComponent(JTable table, Object prefrence, boolean isSelected, boolean hasFocus, int row, int column)
43      {
44          /* Set up the value for the column */
45          Preference pref = (Preference) prefrence;
46          Object renderableValue = pref.getValue();
47          if (renderableValue == null && pref.getDefaultValue() != null) 
48              renderableValue = pref.getDefaultValue();
49  
50          if (renderableValue == null)
51              this.setSelected(false);
52          else
53              this.setSelected(((Boolean)pref.getValue()).booleanValue());
54  
55         return this;
56      }
57  }