1 /*
2 Wotonomy: OpenStep design patterns for pure Java applications.
3 Copyright (C) 2000 Michael Powers
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, see http://www.gnu.org
17 */
18
19 package net.wotonomy.ui.swing.components;
20
21 import java.awt.Color;
22 import java.awt.Component;
23 import java.awt.event.ActionEvent;
24 import java.awt.event.ActionListener;
25
26 import javax.swing.DefaultCellEditor;
27 import javax.swing.JButton;
28 import javax.swing.JCheckBox;
29 import javax.swing.JTable;
30
31 /***
32 * A TableCellEditor that edits colors - it launches a color dialog when clicked.
33 *
34 * @author michael@mpowers.net
35 * @author $Author: cgruber $
36 * @version $Revision: 904 $
37 */
38 class ColorCellEditor extends DefaultCellEditor {
39 Color currentColor = null;
40
41 public ColorCellEditor(JButton b)
42 {
43 super(new JCheckBox()); // unfortunately, the constructor
44 // expects a check box, combo box,
45 // or text field.
46 editorComponent = b;
47 setClickCountToStart(1); // this is usually 1 or 2.
48
49 // must do this so that editing stops when appropriate.
50 b.addActionListener(new ActionListener()
51 {
52 public void actionPerformed(ActionEvent e)
53 {
54 fireEditingStopped();
55 }
56 }
57 );
58 }
59
60 protected void fireEditingStopped()
61 {
62 super.fireEditingStopped();
63 }
64
65 public Object getCellEditorValue()
66 {
67 return currentColor;
68 }
69
70 public Component getTableCellEditorComponent(JTable table,
71 Object value,
72 boolean isSelected,
73 int row,
74 int column)
75 {
76 ((JButton)editorComponent).setText(value.toString());
77 currentColor = (Color)value;
78 return editorComponent;
79 }
80 }
81
82
83
84